ALBERT

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999)

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330101

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Projektionsversuche mit dem Diaprojektor (1999)

Mayr, Armin ; Adelhelm, Manfred ; Höhn, Ernst-Gerhard

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 45-50

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A variety of demonstration experiments can be shown to a large audience with a minimum amount of chemicals by using an ordinary slide projector and easily mounted cuvettes. A detailed instruction for assembling the cuvettes is given as m d l as examples for suitable demonstration experiments in general, inorganic, organic and physical chemistry.

Additional Material: 21 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330106

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Wer und was ist es? (1999)

Gelius, Rolf

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 61-61

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330111

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 66-66

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330114

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 67-67

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330117

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999)

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330201

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Umweltprobenbanken-eine wichtige Säule der Umweltbeobachtung (1999)

Hoppstock, Klaus ; Emons, Hendrik

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 95-103

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Natural events as well as human activities are affecting the environment and even with largescale monitoring programs it is not possible to completely assess the state of the environment. But a documentation of the environmental status with respect to its chemical composition can be realized with systematically collected representative environmental samples, which can be stored for decades at very low temperatures almost without degradation. Such ‘banking activity’ allows a current environmental monitoring and also a retrospective analysis for the determination of components which have not been analyzed at the time of sampling because of ta lack in analytical techniques or because they have not been known or considered environmentally relevant. The concept of environmental specimen banking and general procedures are described. Various examples illustrate the many facets of such activities.

Additional Material: 13 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330205

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Jobsuch auf dem Internet (1999)

Iblenfelt, Wolf D.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 128-128

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Die Arbeitsmarktsituation in der Chemie hat sich in den letzten Jahren spürbar entspannt. Dennoch gibt es auf etlichen, nicht hundertprozentig dem Trend der Zeit entsprechenden Spezialgebieten immer noch einen beträchtlichen Überhang an Stellensuchenden. Entsprechende Mobilität vorausgesetzt, kann das Internet bei der Stellensuche hilfreich sein.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330210

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 135-135

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330215

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999)

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330301

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Quantenchemie auf dem Internet (1999)

Ihlenfeldt, Wolf D.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 165-166

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330306

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Die Rolle des Aerosols im Klimasystem (1999)

Heintzenberg, Jost

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 158-164

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Description / Table of Contents: Atmospheric aerosol particles cause one of the largest uncertainties in estimates of human influence on climate - a good reason to take a closer look at the atmospheric life cycle of the aerosols and its effects. Besides a number of primary and secondary natural aerosol sources we need to consider since the beginning of industrialisation strong manmade particle sources. During its residence in the atmosphere the aerosol interacts in many physical and chemical ways with other atmospheric trace substances, most importantly with water vapor and its liquid and solid phases. Through its direct effect on solar and thermal radiation and through its influence on clouds the atmospheric aerosol exerts a climate forcing. To data we cannot predict the ensuing climate response because of our limited understanding of essential atmospheric processes and of the many possible feedbacks within the climate system. However, already our present knowledge of the role of the atmospheric aerosol in the climate system makes strictly global views of anthropogenic climate changes questionable.

Notes: Der Stand unseres Wissens zum Kreislauf des Atmosphärischen Aerosols und von seiner Rolle im Klimasystem läßt sich wie folgt zusammenfassen: 1Unser Verständnis des globalen Aerosolkreislaufs und vor allem des menschlichen Eingriffs in denselben ist noch sehr unvollständig. Dies gilt in hohem Maße auch für die mit diesem Kreislauf verbundenen chemischen Mehrphasenprozesse.2Ein negativer direkter Klimaantrieb anthropogener Aerosole existiert über die Streuung und Absorption, hat aber noch große Unsicherheiten und kann über hoch mit Rußpartikeln belasteten Gebieten auch positive Werte annehmen.3Ein indirekter Klimaantrieb anthropogener Aerosole existiert wahrscheinlich und hat ebenfalls ein negatives Vorzeichen. Seine Größenordnung und Unsicherheiten lassen sich noch nicht quantifizieren.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330305

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Welche Bedeutung haben Theoretische Konzepte in der Chemie? (1999)

Reiher, Markus ; Netz, Paulo A.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 177-185

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Description / Table of Contents: Chemical concepts are important to gain a qualitative understanding of chemistry. They are needed to find interesting questions to which experimental research as well as quantum-chemical investigations and computer simulations can contribute. We point out why chemical concepts should be seen as an important and from fundamental physical theories to a certain degree independent part of chemistry. An overview and analysis of some concepts - which are often introduced only in connection with special examples instead of a discussion for their own sake - are given. We take a closer look at some concepts to illustrate our assertions. An analysis of the stability of the cyclic (MoNL3)-trimer demonstrates how these concepts work and what they can tell us about this special case.

Notes: Wir haben versucht, deutlich zu machen, wie wichtig theoretische Konzepte in der Chemie sind. Dabei gelangen wir zu folgenden Schlußfolgerungen über die Konzepte, die in der Chemie herangezogen werden, um Beobachtungen zu deuten und zu verstehen: Qualitativ chemische Konzepte sind für ein Verständnis der Chemie unverzichtbar. Eine quantenchemische Berechnung liefert nicht automatisch Verständnis und Einordnung in einen Gesamtzusammenhang.Erst die vereinfachende Beschreibung chemischer Konzepte ermöglicht eine unmittelbare Diskussion chemischer Fragestellungen.Die Konzepte sind trotz grundlegender physikalischer Theorien bis zu einem gewissen Grade eigenständig.

Additional Material: 8 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330312

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999)

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330401

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Hundert Jahre Aspirin® (1999)

Kuhnert, Nikolai

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 213-220

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The article commemorates the centenary of the protection of the proprietary mine of Aspirin. The early medicinal uses of salicylic acid derivatives in herbal remedies arc summarised as well as the biosynthesis of these derivatives. The history of the synthesis of salicylic acid and of acetyl salicylic acid (ASS) is described in detail as is the discovery of additional therapeutic applications and the basic pharmacology of ASS.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330406

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Internet-Werkzeuge für die Zusammenarbeit zwischen Chemikern (1999)

Ihlenfeldt, Wolf-D.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 234-235

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330409

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Alchemie. Lexikon einer hermetischen Wissenschaft. Herausgegeben von Claus Priesner und Karin Figala. Verlag C. H. Beck, München 1998. 412 S., 40 Abb., Leinen, DM 68,-. ISBN 3-406-44104-8 (1999)

Jungmayr, Petra

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 239-240

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330412

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 246-246

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330417

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Herberhold, Max

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 250-250

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330502

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Holzheimer, Bettina ; Münch, Vera

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 308-309

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330508

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Wer und was ist es? (1999)

Gelius, Rolf

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 312-312

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330511

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 314-314

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330514

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Literaturkarusell. Chemie (1999)

Chornils, Boy ; Fischer-Henningsen, Doris ; Barke, Hans-Dieter ; [et al.]

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. IX

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330518

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Fischer-Henningsen, Doris

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 318-318

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330602

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Chemische Biologie (1999)

Splittgerber, Ute

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 354-358

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Description / Table of Contents: Chemical Biology is a rapidly growing field at the interface of organic chemistry and cell biology. Chemical strategies are used to address biological questions not amenable to traditional genetic and biochemical techniques alone. Thc enormous potential of Chemical Biology is illustrated by four recent examples.

Notes: Chemische Biologie ist eine junge Forschungsrichtung im Grenzgebiet zwischen Organischer Cherme und Zellbiologie, welche aus einem Bedarf nach neuen Techniken zur Untersuchung zellbiologischer Mechanismen entstanden ist. Chemische Methoden werden mit biochemischen und molekularbiologischen Methoden kombiniert, um neuartige Möglichkeiten für die biologische Grundlagenforschung zu schaffen. So werden synthetische Oligosaccharide kovalent an die Oberfläche lebender Zellen gebunden, die Konzentration von Calciumionen im Zytosol künstlich reguliert und Rezeptoren künstlich aktiviert.

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330606

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Elektrosynthesen. Strom doppelt genutzt: Erste technische „Paired Electrosynthesis“ (1999)

Hannebaum, Heinz ; Pütter, Hermann

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 373-374

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Eine neue Elektrosynthese erfüllt erstmals den Traum der Elektrochemiker, gleichzeitig Anoden- und Kathodenreaktion für organische Synthesen technisch zu nutzen.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330610

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Experimente für die Chemie (1999)

Ihlenfeldt, Wolf-D.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 377-377

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330614

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Persistenz und Reichweite von Umweltchemikalien. Von M. Scheringer. Wiley-VCh, Weinheim 1999.XIII + 208 Abb.,17Tab., gebunden, DM 158,-.ISBN 3-527-29752-9 (1999)

Bolt, Hermann M.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 380-380

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330618

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Vorbereitungen für die Jahrtausend-Party (1999)

Magin, Rudolf

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 382-384

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Around the world, BASF has been preparing for Y2K since 1996. The Information services and the Process Control Technology divisions, as well as embedded systems and logistics, not to mention the company's customers and suppliers have all been systenmatically tested for Y2K capability. In addition, special precautionary measures in particular, at large Verbund sites - will be in place during the switchover period.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330621

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Fischer-Henningsen, Doris

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 4-4

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330102

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Andere iu Z-Zeitschriften (1999)

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 66-66

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330115

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Gentechnik in der Schule (1999)

Maelicke, Alfred ; Scherr, Dietmar

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 104-109

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The Fonds of German Chemical Industry (FCI) has produced an instrumental kit named „Blue Genes“ which enables High School teachers to perform in their school environment basic experiments of gene analysis and cloning. In particular, the kit contains all necessary equipment and reagents to perform a restriction analysis, and cloning and expression of a bacterial gene.

Additional Material: 7 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330206

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Chemie der Wunder (1999)

Garlaschelli, Luigi

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 152-157

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Description / Table of Contents: A few physical phenomena believed to be religious miracles are considered, and scientific explanations for them are proposed.

Notes: Einige physikalische Phänomene, von denen man glaubte, sie seien religiöse Wunder, werden vorgestellt und wissenschaftliche Erklärungen hierfür vorgeschlagen.

Additional Material: 4 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330304

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Wer und was ist es? (1999)

Gelius, Rolf

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 173-173

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330308

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Lebensgeschichten. Sternstunden der frühen Chemie von Johann Rudolph Glauber bis Justus von Liebig. Von Ernst F. Schwenk. Beck'sche Reihe 1252, Verlag C. H. Beck, München 1998. 288 S., 42 s/w-Abb., Paper-back, DM 19,80. ISBN 3-406-42052-4 (1999)

Gelius, Rolf

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 176-176

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330311

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Literaturkarusell. Interdisziplinäres (1999)

Lindlar, Angela ; Bührke, Michael

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. VIII

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330517

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Literaturkarusell. Pharmazie (1999)

Pachaly, P.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. XIV

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

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URL: http://dx.doi.org/10.1002/ciuz.19990330520

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Kupfer - Die biochemische Bedeutung eines Metalls (1999)

Pascaly, Matthis ; Jolk, Ingo ; Krebs, Bernt

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 334-341

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Notes: The essential trace element copper plays a key role in living systems. Its metalloproteins are involved in various reactions. The IT ononuclear blue copper type-1 proteins take, part in electron transfer processes. Type-2 proteins can either act as oxidases, oxygenases, dioxygenases, or superoxide dismutases, containing one copper core. Dinuclear copper centers of Type-3 proteins are the oxygen transport system hemocyanin, oxidases and oxygenases. Due to this variety of functions copper deficiency and also abundance can cause severe damage of any life form.

Additional Material: 13 Ill.

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URL: http://dx.doi.org/10.1002/ciuz.19990330604

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Fritz Haber, Carl Bosch und Friedrich Bergius - Protagonisten der Hochdrucksynthese (1999)

Stoltzenberg, Dietrich

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 359-364

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: It is tried to fix the limits between the notions high pressure synthesis and high temperature chemistry. The work of Fritz Haber to apply high pressure to synthetise ammonia and of Friedrich Bergius to liquify coal to synthetise petrol is described. Special attention is given to the merits of Carl Bosch and his coworkers at BASF for applying the high pressure synthesis into industrial scale. The consequences of thc work of Haber, Bergius und Bosch on chemistry, social and political life and their importance for the present are considered.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330607

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Bakterien, Viren, Prionen (1999)

Leuck, Jürgen

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 376-376

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

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URL: http://dx.doi.org/10.1002/ciuz.19990330613

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 390-390

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Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330622

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Von Biomineralien zu biomimetischen Materialien: Der Weg ist das Ziel (1999)

Volkmer, Dirk

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 6-19

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Diatoms are unicellular organisms which possess a unique silicified cell wall. Their intricate structures have inspired the imagination of naturalists and scientists throughout centuries. However, molecular biological details about silica metabolic pathways still are obscure. To find out how soft matter can selforganize and create finite solid shapes and complex patterns is certainly one of the most challenging scientific problems today. Especially chemists just have started to unravel the mysteries of chemical morphogenesis.

Additional Material: 13 Ill.

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URL: http://dx.doi.org/10.1002/ciuz.19990330103

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Chemie im Selbststudium. Grundkurs Chemie I. Allgemeine und Anorganische Chemie. Von Arnold Arni. überarb. Aulf. 3., überarb. Aufl., WILEY-VCH, Weinheim 1998. XIV + 350 S., 66 Abb., 15 Tab., Broschur, DM 54,-. ISBN 3-527-29542-9. Grundkurs Chemie II. Organische Chemie. 2., überarb. Aufl. WILEY-VCH, Weinheim 1998. XIII + 198 S., 16 Abb., 5 Tab., Broschur, DM 48,-. ISBN 3-527-29562-3 (1999)

Scheunert, Irene

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 58-60

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Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330108

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Wambach, Heinz

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 60-61

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330110

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 66-66

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Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330116

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Wambach, Heinz

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 70-70

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Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330202

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Henningsen, Michael ; Jaenicke, Lothar ; Schröder, Barbara

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 122-125

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

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URL: http://dx.doi.org/10.1002/ciuz.19990330208

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 134-134

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330212

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 134-134

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330214

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Literaturkarusell. Chemie (1999)

Fischer-Henningsen, Doris ; Radau, Gregor ; Nowak, Alosis

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. X

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Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330218

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Boche, Gernot

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 138-138

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Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330302

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Schumacher, Elke

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 174-175

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Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330309

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Chemie mit Licht. Photochemie. Von D. Wöhrle, M.W. Tausch und W.-D. Stohrer. WILEY-VCH, Weinheim 1998. XVI, 253, S., 169 Abb., 39 Tab., Broschur, DM 128,-.ISBN 3-527-29545-3 (1999)

Henningsen, Michael

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 175-176

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

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URL: http://dx.doi.org/10.1002/ciuz.19990330310

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Stetter, Jörg

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 190-190

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330402

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Sandwich-artige Cyclopentadienylkomplexe von Hauptgruppenelementen (1999)

Jutzi, Peter

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 342-353

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Cyclopentadienyl (Cp) complexes of maingroup elements are classified and compared in terms of structural types, bonding features, and characteristic reactions. Halfsandwich, sandwich and multidecker sandwich arrangements of different type are observed including cluster species with weak or strong metal-metal bonds. The Cp-El bonding ranges from mainly covalent to purely ionic with important structure-determining intermolecular contacts in the latter. π-Complexation allows the stabilisation of compounds with low-valent elements such as AI(I), Ga(I), and Si(I1). Important reaction principles and applications are shortly described.

Additional Material: 19 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330605

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Manz, Jörn ; Wendeler, Michaela ; Kolter, Thomas ; [et al.]

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 367-372

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330608

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Holzheimer, Bettina

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 375-375

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Keywords: Chemistry ; Chemistry

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URL: http://dx.doi.org/10.1002/ciuz.19990330612

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Schreiben und publizieren in den naturwissenschaften. Vin H.F.Ebel u C. Bliefert. 4., völlig neu bearb. Aufl., WILEY-VCh, Weinheim 1988.XIV + 550 s., Broschur, Dm 68,-ISBN 3-527-29626-3 (1999)

Ihlenfeldt, Wolf-D.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 378-379

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330615

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Wer war es? (1999)

Heilbronner, Edgar

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 381-381

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330620

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Andere iu Z-Zeitschriften (1999)

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 390-390

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330623

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Terfort, Andreas ; Jaenicke, Lothar ; Frey, Holger ; [et al.]

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 53-58

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Source: Wiley InterScience Backfile Collection 1832-2000

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Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330107

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Koffeinschub für Chemie-Applets im WWW (1999)

Ihlenfeldt, Wolf D.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 62-63

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330112

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Wer war es? (1999)

Gelius, Rolf

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 129-129

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330211

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Andere iu Z-Zeitschriften (1999)

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 134-134

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330213

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Literaturkarusell. Biologie (1999)

Keil, Manfred ; Storch, Volker ; Kühl, Karen ; [et al.]

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. V

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Source: Wiley InterScience Backfile Collection 1832-2000

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Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330216

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Literaturkarusell. Physik (1999)

Bührke, Thomas ; Schlichting, Hans-Joachim ; Vollmer, Michael ; [et al.]

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. VIII

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330217

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 186-186

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Source: Wiley InterScience Backfile Collection 1832-2000

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Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330315

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Methyltrioxorhenium (1999)

Kühn, Fritz E. ; Fischer, Richard W. ; Herrmann, Wolfgang A.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 192-198

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Additional Material: 13 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330403

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Molekulare Aspekte des Alterns (1999)

Richter, Christoph

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 221-225

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: In the last decade, major advances in the understanding of the biology of aging were made. Studies in worms, flies and yeast led to the identification of several life-extending genes. In mammals, two genes were found which, when mutated, shorten life span. Previous studies in rodents reporting life span prolongation by caloric restriction were confirmed and extended to lower organisms. The studies arc consistent with and supportive of the free radical theory of aging, which secs reactive oxygen species as the main contributor to aging. A refinement of this theory puts mitochondrial DNA into the center of the aging process. It appears that mitochondrial DNA may be both, a yardstick for the biological age and a signalling device to tell the organism when to die. A diet low in calories and high in antioxidants promises to lead to a better quality of life at old age and possibly to increased life span for humans.

Additional Material: 2 Tab.

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URL: http://dx.doi.org/10.1002/ciuz.19990330407

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 237-239

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Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330411

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Radikale und Radikalionen in der Organischen Synthese. Von Torsten Linker und Michael Schmittel. WILEY-VCH, Weinheim 1998. 421 S., DM 88,-. ISBN 3-527-29492-9 (1999)

Schlummer, Björn

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 241-241

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URL: http://dx.doi.org/10.1002/ciuz.19990330415

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 247-247

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Source: Wiley InterScience Backfile Collection 1832-2000

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URL: http://dx.doi.org/10.1002/ciuz.19990330419

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Wiederaufladbare Batterien (1999)

Winter, Martin ; Besenhard, Jürgen O.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 252-266

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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Notes: This first part of „Rechargeable Batteries“ is devoted to materials and reactions in batteries with aqueous electrolytes. Lead-acid, nickelcadmium, nickel-metal hydride, and various zinc systems, such as zinc-manganese oxide, zinc-air, and zinc-bromine cells are discussed. Special attention is paid to the limited electrochemical stability window of the aqueous electrolytes, which enables overcharge and overdischarge protection of the battery but limits cell voltages to less than 2 Volts. In the following part of this article we will focus on nonaqueous electrolyte-based rechargeable batteries. Due to thc wider electrochemical stability window of these electrolytes high specific charge and high cell voltage batteries can be realized, e.g., the „4 V“ lithium ion cell.

Additional Material: 19 Ill.

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URL: http://dx.doi.org/10.1002/ciuz.19990330503

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Herberhold, Max ; Jaenicke, Lothar ; Rössler, Albert ; [et al.]

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 304-308

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330507

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Chemie erlebt - 50 jahre GDCH. Hrsg. von der Gesellschaft Deutscher Chemiker. Das Buch ist im Eigenverlag erschienen und kann bei der Gesellschaft Deutscher Chemiker, Abteilung Öffentlichkeitsarbeit, Postfach 900440,60444 Frankfurt/M bestellt werde,304 S., Dm 39,-ISBN 3-924763-79-8 (1999)

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 314-314

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Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

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Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330512

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76

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Heilbronner, Edgar

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 379-380

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330616

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77

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 390-390

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330624

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78

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Feste Lösungen (1999)

Patzke, Greta ; Binnewies, Michael

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 33-44

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Solid solutions arc an area of inorganic chemistry that encompasses a wide variety of natural and synthetic compounds. This article is intended to be a selection of interesting examples which illustrate the importance of solid solutions in everyday life and industrial applications. A short discussion of the theoretical background is given, followed by the description of solid solutions of non-metals in metals such as steel. Furthermore, solid solutions with important optical (e.g. laser materials) and electrical properties (e.g. β-alumina) are discussed, referring to their chemical structure and technological relevance.

Additional Material: 13 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330105

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79

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 126-127

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330209

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80

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Primärprozesse der Photosynthese und ihre Modellierung (1999)

Kurreck, Jens ; Niethammer, Dominique ; Kurreck, Harry

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 72-83

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Photosynthesis is one of the most fascinating fields of current interdisciplinary research. It seems miraculous that Nature, in the process of evolution, has managed to bring about a 100% quantum yield in charge separation occurring in the primary processes within the photosynthetic reaction centers. In fact, wasteful deactivation of the photoexcited electronic states into the ground state should be favoured and thus prevent charge separation. Biomimetic model compounds have been synthesized, essentially from porphyrins and quinones, resembling the redoxactive cofactors, Nature has developed. The underlying philosophy of this approach is to design and prepare suitable organic molecules allowing the specific properties of the complex electron transfer reactions to be tuned appropriately. Special emphasis is given the through comparison of structures and functions of native and artificial systems. The prominent electron transfer characteristics are discussed in particular by using time-resolved picosecond fluorescence and time-resolved EPR techniques.

Additional Material: 9 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330203

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81

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Literaturkarusell. Pharmazie (1999)

Pachaly, Peter

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. XI

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330219

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82

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Literaturkarusell. Inter-disziplinäres (1999)

Petersen, Maike ; Hausman, Klaus ; Zimmermann, Elke ; [et al.]

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. XIII

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330220

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83

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Biochemische Mechanismen einer einfachen Verhaltensreaktion (1999)

Marwan, Wolfgang ; Oesterhelt, Dieter

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 140-151

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: In active search for conditions for optimal phototrophic growth, halobacteria respond to light and to a variety of other environmental stimuli by taxis. Light reception is mediated by sensory rhodopsins, seven helix transmembrane retinal proteins that are stably complexed to specific MCP-related transducer proteins. Photoisomerization of the retinal chromophore generates a steric signal which activates the sensory rhodopsin-transducer-complex. Complex activation is relayed to a two component signaling system and transiently changes the cytoplasmic concentration of fumarate which, together with the small cytoplasmic protein CheY controls flagellar motor switching. Dual signaling by CheY and fumarate was also found in Escherichia coli where it mediates metabolic signaling and taxis in cells with disabled two-component system. Sensory integration of different environmental stimuli occurs at the level of the signaling domains of several stimulus-specific transducers constructed through combination of appropriate molecular modules. Irrespective of the complexity of the signaling network, the response to light is quantitatively predictable and stochastic. Its kinetic analysis suggests that time-dependent changes in the activity of signaling components can be resolved even in the context of a complex molecular network.

Additional Material: 7 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330303

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84

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Haider, Markus M. ; Molina, Mario J. ; Greim, Helmut ; [et al.]

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 167-172

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330307

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85

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 186-186

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330313

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86

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Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 187-187

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330316

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87

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Calzaferri, Gion ; Schuster, Matthias ; Jaenicke, Lothar ; [et al.]

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 228-233

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330408

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88

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Wiederaufladbare Batterien (1999)

Winter, Martin ; Besenhard, Jürgen O.

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 320-332

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: As a matter of fact, most of our technical electrochemical energy storage systems operate outside the limitations of thermodynamics. As in the case of rechargeable batteries with aqueous electrolytes (part I of this article), kinetics control the operation and safety also in batteries with nonaqueous electrolytes (this second and final part).A striking example is the lithium ion battery which possesses an operating voltage of 〉3,5 V and a very high energy density. From a thermodynamic viewpoint such a cell is impossible because the used organic electrolyte is in contact with two lithium insertion electrodes that operate at extreme reducing and oxidizing potentials, respectively. However, a unique mechanism kinetically prevents the decomposition of the electrolyte due to the formation of electronically insulating interphases between electrode and electrolyte that are still permeable to the electrochemically active Li+ cations. Lithium ion batteries have already made their breakthrough into the market as small format systems for portable electronics. The only „kinetically shielded“ high energy density, however, might be a safety complication for large format batteries, which are assembled for electric vehicle (EV) propulsion. Safety concerns are also valid for high temperature (300°C) batteries such as the sodium-sulfur and sodium-nickel chloride systems. These systems are still in the stage of „experimental batteries“, which may find future application in large units for EV's or uninterruptible power systems. The paper is concluded by a performance comparison of various rechargeable battery systems with aqueous and nonaqueous electrolytes. (Possible) applications in consumer electronics and EV's are discussed in more detail.

Additional Material: 13 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330603

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89

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Pflanzeninhaltsstoffe. Chemische Abschreckung von Fraßinsekten (1999)

Jaenicke, Lothar

Weinheim : Wiley-Blackwell

Chemie in unserer Zeit 33 (1999), S. 372-372

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ISSN: 0009-2851

Keywords: Chemistry ; Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/ciuz.19990330609

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90

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