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  • cytochrome c  (2)
  • frequency measurement  (2)
  • ASTRONOMY  (1)
  • Asia  (1)
  • 2015-2019  (1)
  • 1995-1999  (5)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of sol gel science and technology 8 (1997), S. 629-634 
    ISSN: 1573-4846
    Keywords: protein encapsulation ; absorption spectroscopy ; thin films ; cytochrome c
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract This paper considers the nature of the interactions between the sol-gel derived inorganic matrix and a specific biomolecule, cytochrome c. Optical absorption and impedance spectroscopies are used to characterize the influence of synthesis conditions on the protein's stability and conformation within the silica matrix. In some instances, encapsulation within the sol-gel matrix provides stabilization. For example, protein denaturation is reversible and aggregation is prevented. Moreover, the drying process does not negatively affect the protein; it is possible to regenerate the aged gel state by rehydration. The flexibility of the sol-gel process enables high quality cytochrome c-doped SiO2 thin films to be prepared. These films possess the characteristic reactivity and chemical function of cytochrome c in solution.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of sol gel science and technology 8 (1997), S. 629-634 
    ISSN: 1573-4846
    Keywords: protein encapsulation ; absorption spectroscopy ; thin films ; cytochrome c
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract This paper considers the nature of the interactions between the sol-gel derived inorganic matrix and a specific biomolecule, cytochrome c. Optical absorption and impedance spectroscopies are used to characterize the influence of synthesis conditions on the protein’s stability and conformation within the silica matrix. In some instances, encapsulation within the sol-gel matrix provides stabilization. For example, protein denaturation is reversible and aggregation is prevented. Moreover, the drying process does not negatively affect the protein; it is possible to regenerate the aged gel state by rehydration. The flexibility of the sol-gel process enables high quality cytochrome c-doped SiO2 thin films to be prepared. These films possess the characteristic reactivity and chemical function of cytochrome c in solution.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    International journal of infrared and millimeter waves 19 (1998), S. 465-473 
    ISSN: 1572-9559
    Keywords: 12CD3OD ; 13CD3OD ; fully deuterated isotopomers ; new laser lines ; far-infrared laser ; frequency measurement ; CO2 laser pump
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Fully deuterated isotopomers of methanol (12CD3OD and 13CD3OD) were optically pumped with a CO2 laser. Five new far-infrared laser lines were discovered in 12CD3OD and 25 in 13CD3OD in the range 43.697 to 719.426 μm. The frequencies of these new and some previously reported laser lines, the pump offset, the relative polarization, the relative intensity, and the optimum pressure of operation were measured.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    International journal of infrared and millimeter waves 19 (1998), S. 719-726 
    ISSN: 1572-9559
    Keywords: far-infrared laser ; frequency measurement ; acetaldehyde (CH3CHO) ; vinyl fluoride (CH2CHF) ; cw CO2 laser ; new lines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Eight far-infrared laser lines have been obtained by optically pumping acetaldehyde (CH3CHO) and nine by pumping vinyl fluoride (CH2CHF) with a cw CO2 laser. The far-infrared laser structure used a metal-dielectric waveguide cavity. This is the first reported observation of four of the laser lines in acetaldehyde. In this work, we measure the frequency, optimum pressure of operation, relative intensity, relative polarization, and pump offset from CO2 laser-line center.
    Type of Medium: Electronic Resource
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  • 5
    Publication Date: 2016-01-09
    Description: The stomach bacterium Helicobacter pylori is one of the most prevalent human pathogens. It has dispersed globally with its human host, resulting in a distinct phylogeographic pattern that can be used to reconstruct both recent and ancient human migrations. The extant European population of H. pylori is known to be a hybrid between Asian and African bacteria, but there exist different hypotheses about when and where the hybridization took place, reflecting the complex demographic history of Europeans. Here, we present a 5300-year-old H. pylori genome from a European Copper Age glacier mummy. The "Iceman" H. pylori is a nearly pure representative of the bacterial population of Asian origin that existed in Europe before hybridization, suggesting that the African population arrived in Europe within the past few thousand years.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4775254/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4775254/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maixner, Frank -- Krause-Kyora, Ben -- Turaev, Dmitrij -- Herbig, Alexander -- Hoopmann, Michael R -- Hallows, Janice L -- Kusebauch, Ulrike -- Vigl, Eduard Egarter -- Malfertheiner, Peter -- Megraud, Francis -- O'Sullivan, Niall -- Cipollini, Giovanna -- Coia, Valentina -- Samadelli, Marco -- Engstrand, Lars -- Linz, Bodo -- Moritz, Robert L -- Grimm, Rudolf -- Krause, Johannes -- Nebel, Almut -- Moodley, Yoshan -- Rattei, Thomas -- Zink, Albert -- 2P50 GM076547/GM/NIGMS NIH HHS/ -- P50 GM076547/GM/NIGMS NIH HHS/ -- R01 GM087221/GM/NIGMS NIH HHS/ -- S10 RR027584/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 2016 Jan 8;351(6269):162-5. doi: 10.1126/science.aad2545.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Mummies and the Iceman, European Academy of Bozen/Bolzano (EURAC), Viale Druso 1, 39100 Bolzano, Italy. frank.maixner@eurac.edu albert.zink@eurac.edu. ; Institute of Clinical Molecular Biology, Kiel University, Schittenhelmstrasse 12, 24105 Kiel, Germany. ; CUBE-Division of Computational Systems Biology, Department of Microbiology and Ecosystem Science, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria. ; Institute for Archaeological Sciences, University of Tubingen, Rumelinstrasse 23, 72072 Tubingen, Germany. Max Planck Institute for the Science of Human History, Kahlaische Strasse 10, 07745 Jena, Germany. ; Institute for Systems Biology, 401 Terry Avenue North, Seattle, WA 98109, USA. ; Scuola Superiore Sanitaria Provinciale "Claudiana," Via Lorenz Bohler 13, 39100 Bolzano, Italy. ; Department of Gastroenterology, Hepatology, and Infectious Diseases, Otto-von-Guericke University, Leipziger Strasse 44, 39120 Magdeburg, Germany. ; Universite de Bordeaux, Centre National de Reference des Helicobacters et Campylobacters and INSERM U853, 146 rue Leo Saignat, 33076 Bordeaux, France. ; Institute for Mummies and the Iceman, European Academy of Bozen/Bolzano (EURAC), Viale Druso 1, 39100 Bolzano, Italy. ; Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, 141 83 Stockholm, Sweden. ; Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA. ; Robert Mondavi Institute for Food Science, University of California, Davis, CA 95616, USA. ; Department of Zoology, University of Venda, Private Bag X5050, Thohoyandou 0950, Republic of South Africa. Department of Integrative Biology and Evolution, Konrad Lorenz Institute for Ethology, University of Veterinary Medicine Vienna, Savoyenstrasse 1a, 1160 Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26744403" target="_blank"〉PubMed〈/a〉
    Keywords: Asia ; Chromosome Mapping ; DNA, Bacterial/genetics/isolation & purification ; Europe ; Genome, Bacterial/*genetics ; Helicobacter Infections/*microbiology ; Helicobacter pylori/*genetics/isolation & purification ; Human Migration ; Humans ; *Hybridization, Genetic ; Ice Cover/microbiology ; Mummies/microbiology ; Phylogeny ; Phylogeography ; Sequence Analysis, DNA ; Stomach/*microbiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2019-07-13
    Description: Measurements of the spatial distribution of 100 micrometers emission are presented for NGC 1275, the central galaxy in the Perseus cluster. The emission is clearly resolved on a kiloparsec level, and has the same flux density as seen by IRAS at an epoch when the nonthermal emission was a factor of 10 higher. This emission which traces the greater part of the luminosity of this galaxy, is thus identified as thermal emission from dust. The emission appears to be distributed more nearly like the low-velocity H-alpha filaments in the core of this galaxy than the starlight, extended nonthermal radio, X-ray emission, or high velocity gas. While the dust might be heated by a star-formation region that is fed by the cooling flow in this cluster, the intracluster gas also appears to be energetically capable of this as well, in which case the dust would be, at least at the present time, the dominant cooling mechanism for the hot gas. The large quantity of dust in NGC 1275 is unlikely to have been created within the galaxy, or in the cooling flow, but was probably accreted from a recent galactic interloper.
    Keywords: ASTRONOMY
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 439; 1; p. 185-190
    Format: text
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