- NLM Digital Collections - Synthesis of p-nitrophenyl 2-O-alpha-D-mannopyranosyl-alpha-D-mannopryanoside and ...Publication: Elsevier Science Publishers, December 1979... mannobiosides were located on the chromatograms by their u.v. absorbance and relatively low partition coefficients (they trailed behind ...
- ... run of the Xe source. Comments In the absorbance work, the Hj discharge lamp was used for the U.V. and visible and thus accounts for the uncompensation at short 660 mu and 480 mu (H2 lines in the visible). ... the absorbance and fluorescent values would change if alcohol were ...
- ... for the virus controls, and A. is the absorbance of the cell controls. Interferon serum titers were converted to international units (I.U.) by comparing percent protection rendered by each mouse ...
- NLM Digital Collections - The Processive Degradation of Individual Polyribonucleotide Chains: I. Escherichia coli ...Publication: American Society for Biochemistry and Molecular Biology, 10 March 1968... preparation was used for the studies with (Ap),U*, most of the UMP-"C was liberated before 10% of the absorbance was solubilized (Fig. 2). ‘The effect of RNase ...
- NLM Digital Collections - The Amino Acid Sequence of an Extracellular Nuclease of Staphylococcus aureus: I. Linear ...Publication: American Society for Biochemistry and Molecular Biology, 10 October 1966... personal communication. 4366 Reprinted with permission by the U. S. ... determined by measuring absorbance at 280 mu. The activity of the nuclease ...
- ... of ‘the ELISA procedures. The Abbott ELISA sample absorbance/cut off values ranged from 1.1-9. ... of the reactive addict sera demonstrated relatively low absorbance readings and gave inconsistent results when tested by ...
- ... assure full development of the color. ‘Measure the absorbance with a Beckman Model DU Spectrophotometer in 5=- ... into 50 ml volumetric flasks and determining their absorbances in the same manner as the fume samples. ...
- NLM Digital Collections - Biocompatibility testing of medical devices : standards specific information for the ...Publication: Silver Spring, MD : Center for Devices and Radiological Health, September 25, 2020... from blood collection to use in test - Hemoglobin absorbance standard curve - Dilution procedures and dilution factor calculations - ... documentation - Representative sample selection - Small volume pipetting - Complement absorbance standard curve - Dilution procedures and dilution factor calculations - ...
- NLM Digital Collections - Enzymatic Synthesis of Deoxyribonucleic Acid. XXVII. Chemical Modifications of ...Publication: American Society for Biochemistry and Molecular Biology, 10 June 1969... by dividing the peak emission intensity by the absorbance at 330 mz. The emission maxima, in milli- ... about 30 hours when measured by changes in absorbance at 260 my, in contrast with the reported ...
- ... the volume to 10 ml. Medbhetice Measurement. The absorbance measurement is made on a Beckman DK-2 spectrophotometer. As a control, the absorbance readings should be scanned from 340 to 280 ...
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