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  • Analytical Chemistry and Spectroscopy  (7)
  • ASTROPHYSICS  (3)
  • Biochemistry and Biotechnology  (3)
  • Immunohistochemistry  (2)
  • 2015-2019
  • 1990-1994
  • 1985-1989  (15)
  • 1970-1974
  • 1945-1949
  • 1989  (15)
Collection
Keywords
Years
  • 2015-2019
  • 1990-1994
  • 1985-1989  (15)
  • 1970-1974
  • 1945-1949
Year
  • 1
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 33 (1989), S. 293-299 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A novel technique has been developed to immobilize plant cells. The cells are deposited on a surface of manmade fibrous material that provides for strong binding of the plant tissue biomass growing in the submerged culture. The immobilized plant cells remain fully viable. Relatively uniform biomass loadings of up to 20 mg d.w. plant cells/cm2 support material have been attained. All plant cells from the inoculum suspension became attached within the first 24-48 h depending on the support matrix configuration and hydraulic culture conditions. The advantages and scale-up potential of this technique are discussed and compared to other culturing modes.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2019-07-13
    Description: The Dust Impact Detection System (DIDSY) aboard the Giotto spacecraft provided the information on the dust flux, mass spectrum, and cumulative mass distribution flux in the coma of Comet Halley. Analysis of discrete pulse height data of cometary particles for the mass range of particles between 4.0 x 10 to the -10th g and 6.0 x 10 to the -6th g registered by the Giotto DIDSY detectors 2, 3, and 4 has been completed, and a cumulative flux has been determined for this size range of particles. Inside the cometopause, anomalous peaks have been identified as deviation from a 1/R-squared curve in both pre- and postencounter measurements.
    Keywords: ASTROPHYSICS
    Type: Lunar and Planetary Science Conference; Mar 14, 1988 - Mar 18, 1988; Houston, TX; United States
    Format: text
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 33 (1989), S. 406-414 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Aerobic glucose metabolism by Pseudomonas aeruginosa biofilms at various calcium loading rates was investigated. The influence of calcium on specific growth rate, extracellular polymeric substance (EPS) formation rate, biofilm detachment rate, and biofilm calcium concentrations was determined. Calcium accumulated in the biofilm in proportion to the liquid phase concentration. Increasing calcium concentration increased the cohesiveness of the biofilm as indicated by a lower relative detachment rate. Specific activity in the biofilm was the same as that measured in a chemostat and was not influenced by changing calcium concentration. EPS formation rate in the biofilm was unaffected by calcium concentration but was higher than that observed in a chemostat.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 12 (1989), S. 1-1 
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Bioluminescence and Chemiluminescence 4 (1989), S. 79-87 
    ISSN: 0884-3996
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Publication Date: 1989-03-31
    Description: An immunohistochemical study was conducted to detect the temporal infection sequence of Autographa californica M nuclear polyhedrosis virus in Trichoplusia ni larvae. Staining patterns indicated that the initial infection occurred in the midgut, simultaneously in columnar epithelial and regenerative cells, but that subsequently this tissue recovered. A major envelope glycoprotein stained in a polar fashion when it was expressed in columnar epithelial cells, but not when expressed in other cells types. Systemic infection was mediated by free virus for some tissues whereas infected hemocytes appeared to spread virus to other tissues by an unknown mechanism. A cell to cell spread within several tissues was detected. These results have important implications for baculoviruses engineered for improving their pesticide potential.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keddie, B A -- Aponte, G W -- Volkman, L E -- AM 38310-01/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 31;243(4899):1728-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Entomology, University of California, Berkeley.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2648574" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Antigens, Viral/analysis ; Capsid/analysis ; Epithelium/analysis/microbiology ; Hemolymph/microbiology ; Immunoenzyme Techniques ; Immunohistochemistry ; Insect Viruses/immunology/isolation & purification/*physiology ; Larva/microbiology ; Lepidoptera/*microbiology ; Membrane Glycoproteins/analysis ; Tissue Distribution ; Viral Proteins/analysis
    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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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1989-01-13
    Description: Proteins can be secreted from animal cells by either a constitutive or a regulated pathway; those destined for regulated secretion are actively sorted into dense-core secretory granules. Although sorting is generally assumed to be accomplished by specific carriers, the nature of these carriers remains elusive. In this study, peptide hormones were used as affinity ligands to purify a set of 25-kilodalton proteins from canine pancreatic tissue. Their ligand specificities and patterns of expression have the characteristics of sorting carriers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chung, K N -- Walter, P -- Aponte, G W -- Moore, H P -- 1F32GM1178-01/GM/NIGMS NIH HHS/ -- GM 35239/GM/NIGMS NIH HHS/ -- R23 AM 38310-01/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1989 Jan 13;243(4888):192-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology Anatomy, University of California, Berkeley 94720.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2911732" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen-Antibody Complex ; Carrier Proteins/isolation & purification/*metabolism ; Cell Line ; Chromatography, Affinity/methods ; Dogs ; Golgi Apparatus/*metabolism ; Immune Sera ; Immunohistochemistry ; Intracellular Membranes/*metabolism ; Molecular Weight ; Pancreas/*metabolism ; Prolactin
    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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  • 8
    Publication Date: 2019-07-12
    Description: The present gasdynamic study of the planetesimal-accumulation stage in which 10-km bodies in the neighborhood of 1 AU grow to 10 to the 25th-10 to the 27th g mass, or 'planetary embryo' size, attempts to identify the circumstances under which runaway growth forms a small number of massive embryos in the terrestrial-planet region on a 0.1-1.0 million year time-scale. No runaways are found, however, unless more plausible physical processes are invoked; in that case, runaways in the terrestrial planet region are probable on a 0.1 million-year time-scale, and the final stage of planetary accumulation may involve the growth of these embryos into the present planets on a 10-100 million-year time-scale.
    Keywords: ASTROPHYSICS
    Type: Icarus (ISSN 0019-1035); 77; 330-357
    Format: text
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  • 9
    Publication Date: 2019-07-12
    Description: Spectra of PV Cephei from 2 to 4 microns reveal a moderately strong 3 micron ice-absorption feature. Normally seen in objects with high visual obscuration, A(V) greater than 10, this absorption in an object with A(V) = 3.5-5.0 suggests the existence of a dense circumstellar disk. This paper discusses the evidence for a disk from this data and other wavelength regions, the possible origin of the 3-micron feature in PV Cephei, and the relationship between this object and other young stellar objects.
    Keywords: ASTROPHYSICS
    Type: Astronomical Journal (ISSN 0004-6256); 98; 1382-138
    Format: text
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  • 10
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 18 (1989), S. 884-896 
    ISSN: 0887-6134
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Certain thermoplastic resins, brominated diphenyl ether flame retardants, a pyrolysate and fumes collected during resin extrusion were analyzed for brominated dibenzofurans (PBDF) to assess the potential for encountering PBDF in the environment. EPA methods (RCRA Method 8280 and CERCLA IFB WA84-A002) were modified as needed to allow determination of PBDF in these matrices. Except for the base resins, all samples were found to contain PBDF. The pyrolysate also contained compounds whose structures were assigned to be brominated dioxins (PBDD) and possibly brominated xanthenes (PBX) or methyl-PBDF.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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