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  • Animals  (3)
  • Instrumentation and Photography  (3)
  • American poetry., lcsh
  • Ballads, French, Translations into English.
  • 2000-2004  (8)
  • 1
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    CD95/CD95 ligand interactions on epithelial cells in host defense to Pseudomonas aeruginosa (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-10-20
    Description: Pseudomonas aeruginosa causes severe infections, particularly of the lung, that are life threatening. Here, we show that P. aeruginosa infection induces apoptosis of lung epithelial cells by activation of the endogenous CD95/CD95 ligand system. Deficiency of CD95 or CD95 ligand on epithelial cells prevented apoptosis of lung epithelial cells in vivo as well as in vitro. The importance of CD95/CD95 ligand-mediated lung epithelial cell apoptosis was demonstrated by the rapid development of sepsis in CD95- or CD95 ligand-deficient mice, but not in normal mice, after P. aeruginosa infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grassme, H -- Kirschnek, S -- Riethmueller, J -- Riehle, A -- von Kurthy, G -- Lang, F -- Weller, M -- Gulbins, E -- New York, N.Y. -- Science. 2000 Oct 20;290(5491):527-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physiology, University of Tuebingen, Gmelinstrasse 5, 72076 Tuebingen, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11039936" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, CD95/genetics/*metabolism ; *Apoptosis ; Bone Marrow Transplantation ; Cell Line ; Epithelial Cells/*immunology/microbiology/pathology ; Fas Ligand Protein ; Humans ; In Situ Nick-End Labeling ; Lung/*immunology/microbiology/pathology ; Lung Diseases/*immunology/microbiology/pathology ; Membrane Glycoproteins/genetics/*metabolism ; Mice ; Mice, Inbred C3H ; Pseudomonas Infections/*immunology/microbiology/pathology ; Pseudomonas aeruginosa/immunology/*pathogenicity ; Sepsis/microbiology ; Spleen/microbiology
    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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  • 2
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    Translating biomolecular recognition into nanomechanics (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-04-15
    Description: We report the specific transduction, via surface stress changes, of DNA hybridization and receptor-ligand binding into a direct nanomechanical response of microfabricated cantilevers. Cantilevers in an array were functionalized with a selection of biomolecules. The differential deflection of the cantilevers was found to provide a true molecular recognition signal despite large nonspecific responses of individual cantilevers. Hybridization of complementary oligonucleotides shows that a single base mismatch between two 12-mer oligonucleotides is clearly detectable. Similar experiments on protein A-immunoglobulin interactions demonstrate the wide-ranging applicability of nanomechanical transduction to detect biomolecular recognition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fritz, J -- Baller, M K -- Lang, H P -- Rothuizen, H -- Vettiger, P -- Meyer, E -- Guntherodt, H -- Gerber, C -- Gimzewski, J K -- New York, N.Y. -- Science. 2000 Apr 14;288(5464):316-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉IBM Research, Zurich Research Laboratory, Saumerstrasse 4, CH-8803 Ruschlikon, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10764640" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Specificity ; Base Pair Mismatch ; Base Pairing ; Chemistry, Physical ; Goats ; Gold/*chemistry ; Hydrogen Bonding ; Immunoglobulin Constant Regions/*chemistry ; Ligands ; *Nucleic Acid Hybridization ; Oligodeoxyribonucleotides/*chemistry ; Physicochemical Phenomena ; Rabbits ; Silicon/*chemistry ; Staphylococcal Protein A/*chemistry ; Static Electricity ; Stress, Mechanical ; Thionucleotides/chemistry
    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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  • 3
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    TCR-induced transmembrane signaling by peptide/MHC class II via associated Ig-alpha/beta dimers (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-27
    Description: Previous findings suggest that during cognate T cell-B cell interactions, major histocompatability complex (MHC) class II molecules transduce signals, leading to Src-family kinase activation, Ca2+ mobilization, and proliferation. Here, we show that antigen stimulation of resting B cells induces MHC class II molecules to associate with Immunoglobulin (Ig)-alpha/Ig-beta (CD79a/CD79b) heterodimers, which function as signal transducers upon MHC class II aggregation by the T cell receptor (TCR). The B cell receptor (BCR) and MHC class II/Ig-alpha/Ig-beta are distinct complexes, yet class II-associated Ig-alpha/beta appears to be derived from BCR. Hence, Ig-alpha/beta are used in a sequential fashion for transduction of antigen and cognate T cell help signals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lang, P -- Stolpa, J C -- Freiberg, B A -- Crawford, F -- Kappler, J -- Kupfer, A -- Cambier, J C -- AI 20519/AI/NIAID NIH HHS/ -- AI 22295/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2001 Feb 23;291(5508):1537-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Integrated Department of Immunology, University of Colorado Health Sciences Center, and National Jewish Medical and Research Center, 1400 Jackson Street, Denver, CO 80206, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11222857" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens/immunology ; Antigens, CD/*metabolism ; Antigens, CD79 ; B-Lymphocytes/*immunology/metabolism ; Cells, Cultured ; Dimerization ; Enzyme Activation ; Histocompatibility Antigens Class II/immunology/*metabolism ; Immunoblotting ; Lymphocyte Activation ; Mice ; Mice, Transgenic ; Phosphorylation ; Phosphotyrosine/metabolism ; Precipitin Tests ; Protein-Tyrosine Kinases/metabolism ; Receptors, Antigen, B-Cell/immunology/*metabolism ; Receptors, Antigen, T-Cell/immunology/*metabolism ; *Signal Transduction ; T-Lymphocytes/immunology/metabolism ; Transcription, Genetic
    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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  • 4
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    Radiometer Design Analysis Based Upon Measurement Uncertainty (2004)
    In:  CASI
    Details
    Publication Date: 2018-06-06
    Description: This paper introduces a method for predicting the performance of a radiometer design based on calculating the measurement uncertainty. The variety in radiometer designs and the demand for improved radiometric measurements justify the need for a more general and comprehensive method to assess system performance. Radiometric resolution, or sensitivity, is a figure of merit that has been commonly used to characterize the performance of a radiometer. However when evaluating the performance of a calibration design for a radiometer, the use of radiometric resolution has limited application. These limitations are overcome by considering instead the measurement uncertainty. A method for calculating measurement uncertainty for a generic radiometer design including its calibration algorithm is presented. The result is a generalized technique by which system calibration architectures and design parameters can be studied to optimize instrument performance for given requirements and constraints. Example applications demonstrate the utility of using measurement uncertainty as a figure of merit.
    Keywords: Instrumentation and Photography
    Format: application/pdf
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  • 5
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    Comparative Analysis of Radiometer Systems Using Non-Stationary Processes (2002)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Radiometers require periodic calibration to correct for instabilities in the receiver response. Various calibration techniques exist that minimize the effect of instabilities in the receivers. The optimal technique depends upon many parameters. Some parameters are constrained by the particular application and others can be chosen in the system design. For example, the measurement uncertainty may be reduced to the limits of the resolution of the measurement (sensitivity) if periodic absolute calibration can be performed with sufficient frequency. However if the period between calibrations is long, a reference-differencing technique, i.e. Dicke-type design, can yield better performance. The measurement uncertainty not only depends upon the detection scheme but also on the number of pixels between calibrations, the integration time per pixel, integration time per calibration reference measurement, calibration reference temperature, and the brightness temperature of what is being measured. The best scheme for reducing the measurement uncertainty also depends, in large part, on the stability of the receiver electronics. In this presentation a framework for evaluating calibration schemes for a wide range of system architectures is presented. Two methods for treating receiver non-stationarity are compared with radiometer measurements.
    Keywords: Instrumentation and Photography
    Type: IEEE International Geoscience and Remote Sensing Symposium; Jun 24, 2002 - Jun 28, 2002; Toronto; Canada
    Format: text
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  • 6
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    Experimental Investigations of Non-Stationary Properties In Radiometer Receivers Using Measurements of Multiple Calibration References (2002)
    In:  Other Sources
    Details
    Publication Date: 2019-07-18
    Description: Radiometers must be periodically calibrated because the receiver response fluctuates. Many techniques exist to correct for the time varying response of a radiometer receiver. An analytical technique has been developed that uses generalized least squares regression (LSR) to predict the performance of a wide variety of calibration algorithms. The total measurement uncertainty including the uncertainty of the calibration can be computed using LSR. The uncertainties of the calibration samples used in the regression are based upon treating the receiver fluctuations as non-stationary processes. Signals originating from the different sources of emission are treated as simultaneously existing random processes. Thus, the radiometer output is a series of samples obtained from these random processes. The samples are treated as random variables but because the underlying processes are non-stationary the statistics of the samples are treated as non-stationary. The statistics of the calibration samples depend upon the time for which the samples are to be applied. The statistics of the random variables are equated to the mean statistics of the non-stationary processes over the interval defined by the time of calibration sample and when it is applied. This analysis opens the opportunity for experimental investigation into the underlying properties of receiver non stationarity through the use of multiple calibration references. In this presentation we will discuss the application of LSR to the analysis of various calibration algorithms, requirements for experimental verification of the theory, and preliminary results from analyzing experiment measurements.
    Keywords: Instrumentation and Photography
    Type: MicroCal 2002; Oct 09, 2002 - Nov 02, 2002; Barcelona; Spain
    Format: text
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  • 7
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    Ballads and lyrics of old France : with other poems (2000)
    Champaign, Ill : Project Gutenberg
    Details
    Keywords: Ballads, French, Translations into English. ; French poetry, Translations into English.
    ISBN: 0-585-00614-8
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=1020200
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    E-Book (German National Licenses)
  • 8
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    A collection of ballads (2000)
    Champaign, Ill : Project Gutenberg
    Details
    Keywords: Ballads, Poetry. ; American poetry., lcsh
    ISBN: 0-585-00567-2
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=1015500
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