نتایج جستجو برای: fluorometry
تعداد نتایج: 1436 فیلتر نتایج به سال:
T0 SUBSTANCES with a marked difference in their excitatioim amid fluorescence spectra can be readily measured independeimtly. However, whemi the spectra of the two substances overlap, one cannot be incasured imidependeimt of the other. Theim the principle of differeiitial fluorometry is utilized. Measurements are made with two different sets of excitation and fluorescence wavelengths choseim to...
Future immunoassays and nucleic acid hybridization assays will be performed in miniaturized formats that utilize microchips or microparticles. This will require a sensitive detection technology that allows spatial resolution. By using fluorescent europium chelates and time-resolved microfluorometry, one can detect 11,000 europium molecules on individual microparticles. In a miniaturized noncomp...
The growth of phytoplankton and thus marine primary productivity depend on photophysiological performance of phytoplankton cells that respond to changing environmental conditions. The South China Sea (SCS) is the largest marginal sea of the western Pacific and plays important roles in modulating regional climate and carbon budget. However, little has been documented on photophysiological charac...
water soluble chitosan oligosaccharide (cho) was hydrophobically modified with camptothecin (cpt) in different molar ratios of cpt, and characterized by ft-ir and 1 h-nmr spectroscopy. nanomicelles prepared by these copolymers were analyzed for size, zeta, and length of time they remain stable. the critical micelle concentration (cmc) and dissociation of micelles at physiological ph and acidic ...
Measurements of multiple parameters in fluorometry: Fluorescence intensity, lifetime and anisotropy.
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