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  • Articles  (10)
  • Humans  (4)
  • Cell & Developmental Biology  (3)
  • Chemistry  (3)
  • Life and Medical Sciences  (3)
  • Female
  • 2000-2004  (7)
  • 1960-1964  (3)
  • 1
    Electronic Resource
    Electronic Resource
    New Di- and Trinuclear Complexes with Pyrazolato Bridges. Crystal Structures of [{(C6F5)2Pd(μ-pz)(μ-Cl)}2Pd]2- and [(C6F5)2Pd(μ-pz)2Pd(η3-C4H7)] (pz = pyrazolate) (2000)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 2000 (2000), S. 943-949 
    Details
    ISSN: 1434-1948
    Keywords: Pyrazolate complexes ; Palladium ; Platinum ; N ligands ; Bridging ligands ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Trinuclear complexes containing pyrazolate bridging ligands of the type [NBu4]2[{(C6F5)2 M(μ-pz)(μ-X)}2M′] (M, M′= Pd or Pt; X = Cl, OH, or pz) (Hpz = pyrazole) have been prepared using [NBu4][M(C6F5)2(acac)] (acac = acetylacetonate) or [NBu4]2[M2(C6F5)4(μ-OH)2] and [M′Cl2(Hpz)2] or [M′(Hpz)4]2+ as starting materials. Asymmetric homo- and heterobimetallic complexes of the types [NBu4][R2M(μ-pz)2Pd(η3-allyl)] and [R2M(μ-pz)2M′L2] (allyl = C3H5 or C4H7; L2 = 2 PEt3 or bipy; R = C6F5 or C6Cl5; M, M′ = Pd or Pt) have been obtained starting from [NBu4][MR2(pzHpz)] and [Pd(η3-allyl)(acac)] or [M′L2Cl2], respectively. The identity of the new complexes has been established by NMR (1H, 19F and 31P) spectroscopy. The crystal structure of [{(C6F5)2Pd(μ-pz)(μ-Cl)}2Pd]2- has an inversion centre, with a bent appearance of the Pd3(μ-pz)2(μ-Cl)2 moiety. The crystal structure of [(C6F5)2Pd(μ-pz)2Pd(η3-C4H7)] has also been determined by single-crystal X-ray diffraction, where a boat conformation of the central “Pd2N4” six-membered rings is observed.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Cathodic Reactions Involved in Corrosion Processes Occurring in Concentrated Nitric Acid at 100 °C (2000)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 2000 (2000), S. 665-674 
    Details
    ISSN: 1434-1948
    Keywords: Autocatalysis ; Cyclic voltammetry ; Nitric acid ; Nitrogen oxides ; Reduction mechanism ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: In order to explain and analyze the corrosion process of AISI 304 L stainless steel in the presence of nitric acid condensates, the reduction mechanism of nitric acid was studied on a platinum electrode in various nitric acid solutions (4 mol·L-1, 8 mol·L-1 and 12 mol·L-1) at 100 °C. Classical electrochemical techniques were used: cyclic voltammetry, chronoamperometry on a stationary electrode as well as on a rotating disk electrode. A reduction mechanism is proposed; this mechanism is autocatalytic and involves a charge-transfer step and a heterogeneous chemical reaction which regenerates the electroactive species at the electrode surface. The electroactive species is assumed to be nitrous acid which is a soluble species. The other compounds involved in the reduction mechanism are NO and NO2, which are supposed to be adsorbed. The nitric acid concentration influences the major product of the reduction process: NO for concentrations lower than 8 mol·L-1 and NO2 for higher concentrations.
    Additional Material: 19 Ill.
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  • 3
    Electronic Resource
    Electronic Resource
    Reactions of Cadmium(II) Acetate with Acetoacetanilide and Methylacetoacetate Thiosemicarbazones: A Cyclization Process Leading to a Pyrazolone - The Molecular and Crystal Structures of the Free Ligands and the Complex [CdL2Py] (HL = 2-[Amino(thioxo)methyl]-5-methyl-2,3-dihydro-1H-3-pyrazolone, Py = Pyridine) (2000)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 2000 (2000), S. 83-89 
    Details
    ISSN: 1434-1948
    Keywords: Cadmium(II) pyrazolonates ; Thiosemicarbazones ; Cyclizations ; 2-[Amino(thioxo)methyl]-3-pyrazolone ; 1H-, 13C-, 113Cd-NMR spectra ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Acetoacetanilide- and methylacetoacetate thiosemicarbazones (HTSC1 and HTSC2, respectively) react with cadmium(II) acetate in methanol, giving complexes containing the ligand 2-[amino(thioxo)methyl]-5-methyl-2,3-dihydro-1H-3-pyrazolonate (L-). An X-ray diffraction study of the structures of HTSC1, HTSC2, HL, and [CdL2Py], identified the main structural changes in the cyclization process. Additionally, the coordination of the metal in the complexes [CdL(AcO)] · 2 MeOH and [CdL2] · 3 H2O was analyzed using IR spectroscopy in the solid state and 1H-, 13C-, and 113Cd-NMR spectroscopy in solution. On reaction with aqueous trifluoroacetic acid, both complexes releases the free pyrazolone, which can be easily isolated.
    Additional Material: 2 Ill.
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  • 4
    Electronic Resource
    Electronic Resource
    The electrical activity of the Amphibian lymph heart (1961)
    Philadelphia : Wiley-Blackwell
    Journal of Cellular and Comparative Physiology 57 (1961), S. 29-45 
    Details
    ISSN: 0095-9898
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1030570106
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  • 5
    Electronic Resource
    Electronic Resource
    Mechanism of the Increased Acetylcholine Sensitivity of Skeletal Muscle in Low pH Solutions (1962)
    Philadelphia : Wiley-Blackwell
    Journal of Cellular and Comparative Physiology 59 (1962), S. 35-44 
    Details
    ISSN: 0095-9898
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1030590105
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  • 6
    Electronic Resource
    Electronic Resource
    Electrophysiology of the somatic muscle cells of Ascaris lumbricoides (1963)
    Philadelphia : Wiley-Blackwell
    Journal of Cellular and Comparative Physiology 62 (1963), S. 159-177 
    Details
    ISSN: 0095-9898
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 19 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1030620206
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  • 7
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    Ecology. Soil fertility and hunger in Africa (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-03-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sanchez, Pedro A -- New York, N.Y. -- Science. 2002 Mar 15;295(5562):2019-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International Center for Research in Agroforestry, Post Office Box 30677, Nairobi, Kenya. P.sanchez@cgiar.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11896257" target="_blank"〉PubMed〈/a〉
    Keywords: Africa South of the Sahara ; Agriculture/*methods ; Biomass ; Crops, Agricultural/*growth & development ; *Ecosystem ; Fertilizers ; *Food Supply ; Forestry ; Humans ; Hunger ; Nitrogen ; Nitrogen Fixation ; Phosphates ; Plant Development ; Public Policy ; *Soil ; Trees/growth & development ; United Nations ; Zea mays/growth & development
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
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    Characterization of a novel coronavirus associated with severe acute respiratory syndrome (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-05-06
    Description: In March 2003, a novel coronavirus (SARS-CoV) was discovered in association with cases of severe acute respiratory syndrome (SARS). The sequence of the complete genome of SARS-CoV was determined, and the initial characterization of the viral genome is presented in this report. The genome of SARS-CoV is 29,727 nucleotides in length and has 11 open reading frames, and its genome organization is similar to that of other coronaviruses. Phylogenetic analyses and sequence comparisons showed that SARS-CoV is not closely related to any of the previously characterized coronaviruses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rota, Paul A -- Oberste, M Steven -- Monroe, Stephan S -- Nix, W Allan -- Campagnoli, Ray -- Icenogle, Joseph P -- Penaranda, Silvia -- Bankamp, Bettina -- Maher, Kaija -- Chen, Min-Hsin -- Tong, Suxiong -- Tamin, Azaibi -- Lowe, Luis -- Frace, Michael -- DeRisi, Joseph L -- Chen, Qi -- Wang, David -- Erdman, Dean D -- Peret, Teresa C T -- Burns, Cara -- Ksiazek, Thomas G -- Rollin, Pierre E -- Sanchez, Anthony -- Liffick, Stephanie -- Holloway, Brian -- Limor, Josef -- McCaustland, Karen -- Olsen-Rasmussen, Melissa -- Fouchier, Ron -- Gunther, Stephan -- Osterhaus, Albert D M E -- Drosten, Christian -- Pallansch, Mark A -- Anderson, Larry J -- Bellini, William J -- New York, N.Y. -- Science. 2003 May 30;300(5624):1394-9. Epub 2003 May 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA. prota@cdc.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12730500" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Conserved Sequence ; Coronavirus/classification/genetics ; DNA, Complementary ; Endopeptidases/chemistry/genetics ; *Genome, Viral ; Humans ; Membrane Glycoproteins/chemistry/genetics ; Molecular Sequence Data ; Nucleocapsid Proteins/chemistry/genetics ; Open Reading Frames ; Phylogeny ; Polyproteins/chemistry/genetics ; RNA Replicase/chemistry/genetics ; RNA, Messenger/genetics/metabolism ; RNA, Viral/*genetics ; Regulatory Sequences, Nucleic Acid ; SARS Virus/chemistry/classification/*genetics/isolation & purification ; Sequence Analysis, DNA ; Severe Acute Respiratory Syndrome/virology ; Spike Glycoprotein, Coronavirus ; Transcription, Genetic ; Viral Envelope Proteins/chemistry/genetics ; Viral Matrix Proteins/chemistry/genetics ; Viral Proteins/chemistry/*genetics
    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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  • 9
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    Developing a platform for genomic medicine in Mexico (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-04-12
    Description: Mexico is preparing to develop a genomic medicine program focused on national health problems. Modern Mexicans result from an admixture of more than 65 native Indian groups with Spaniards, leading to a unique genetic makeup and a characteristic set of disease susceptibilities. Since 1999, more than 100 experts from different fields have joined efforts with government, academia, and industry to identify priorities and goals for genomic medicine in Mexico. The plan includes establishment of an Institute of Genomic Medicine with strong intramural and extramural programs. This project is expected to ease the social and financial burden of health problems in Mexico.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jimenez-Sanchez, Gerardo -- New York, N.Y. -- Science. 2003 Apr 11;300(5617):295-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Consortium for the Institute of Genomic Medicine of Mexico, Camino al Ajusco 130-101, Col. Jardines en la Montana, Mexico DF 14210, Mexico. gjimenez@inmegen.org.mx〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12690190" target="_blank"〉PubMed〈/a〉
    Keywords: *Academies and Institutes/economics ; Biomedical Research ; Budgets ; Delivery of Health Care ; Diagnosis ; Drug Industry ; Education, Graduate ; Education, Medical, Graduate ; *Genetics, Medical/economics ; *Genomics ; *Health Planning/organization & administration ; Health Status ; Humans ; International Cooperation ; Mexico ; Preventive Medicine ; Therapeutics
    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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  • 10
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    Activating mutations of NOTCH1 in human T cell acute lymphoblastic leukemia (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-10-09
    Description: Very rare cases of human T cell acute lymphoblastic leukemia (T-ALL) harbor chromosomal translocations that involve NOTCH1, a gene encoding a transmembrane receptor that regulates normal T cell development. Here, we report that more than 50% of human T-ALLs, including tumors from all major molecular oncogenic subtypes, have activating mutations that involve the extracellular heterodimerization domain and/or the C-terminal PEST domain of NOTCH1. These findings greatly expand the role of activated NOTCH1 in the molecular pathogenesis of human T-ALL and provide a strong rationale for targeted therapies that interfere with NOTCH signaling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weng, Andrew P -- Ferrando, Adolfo A -- Lee, Woojoong -- Morris, John P 4th -- Silverman, Lewis B -- Sanchez-Irizarry, Cheryll -- Blacklow, Stephen C -- Look, A Thomas -- Aster, Jon C -- CA109901/CA/NCI NIH HHS/ -- CA21765/CA/NCI NIH HHS/ -- CA68484/CA/NCI NIH HHS/ -- CA82308/CA/NCI NIH HHS/ -- CA94233/CA/NCI NIH HHS/ -- CA98093/CA/NCI NIH HHS/ -- P01 CA109901/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2004 Oct 8;306(5694):269-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15472075" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Alleles ; Amino Acid Sequence ; Amyloid Precursor Protein Secretases ; Aspartic Acid Endopeptidases ; Cell Cycle ; Cell Line, Tumor ; Child ; Dimerization ; Endopeptidases/metabolism ; Frameshift Mutation ; Humans ; Leukemia-Lymphoma, Adult T-Cell/*genetics/metabolism ; Molecular Sequence Data ; *Mutation ; Mutation, Missense ; Point Mutation ; Protease Inhibitors/pharmacology ; Protein Structure, Tertiary ; Receptor, Notch1 ; Receptors, Cell Surface/chemistry/*genetics/metabolism ; Sequence Deletion ; Signal Transduction ; Transcription Factors/chemistry/*genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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