We describe an analytical methodology to obtain high sensitivity and better resolution through the study of fluorometric excitation ( λ ex ) and emission ( λ em ) spectrum wavelengths of OPA–amino acids. The spectrum emission study revealed a maximum signal peak at 450nm for aspartate and ...
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We cannot exclude that what we call "light conveyance phenom- enon" is in reality the fluorescence of a resistant fluor that is very commonly found in all groups we investi- gated thus far, and which has a very large excitation and emission spectrum. Although we cannot be sure about the ...
We cannot exclude that what we call "light conveyance phenom- enon" is in reality the fluorescence of a resistant fluor that is very commonly found in all groups we investi- gated thus far, and which has a very large excitation and emission spectrum. Although we cannot be sure about the ...
spectrum of the 530 nm-emitted signal (=8.42) is the ratio between the 488 nm-excited fluorescence intensities at 530 nm and 595 nm (d). Full size image We next characterized the emission spectra of J-aggregates at 405 nm excitation in comparison with the recommended 488-nm ex...
The Rotational Spectrum of TiO2 rest frequencies of TiOcan now be calculated to better than 1 km sin equivalent radial velocity up to fairly high J and Kat millimeter wavelengths, enabl... S Brünken,HSP Müller,KM Menten,... - 《Astrophysical Journal》 被引量: 54发表: 2008年 Continuous wa...
This study aimed to assess the ability of EM-A7 and EM-A8 to form biofilm and have antagonistic activity under varying light conditions. LED sources were custom-designed so that each corresponded to a given spectrum at a specific photosynthetically active photon flux density. Significant differences...
(such as metal ions), the electron-accepting character of the fluorescent molecule increases, thus generating a red shift in the emission spectrum. In contrast, an evident blue shift can be observed when the ICT becomes less developed owing to the interaction of the electron-donating part with ...
We put an upper limit to the luminosity of the (undetected) flat-spectrum radio core. We find steep-spectrum, extended emission within 10 pc of the nuclear position, consistent with optically thin synchrotron emission from nuclear star formation or from an outflow powered by an active ...
Studies with irradiation of various monochromatic wavebands, with or without topical 8-MOP, showed that the action spectrum for Ia-positive cell depletion activity lay within the spectrum shorter than 300 nm for UVR alone, and between 320-380 nm for 8-MOP plus UVR. Since the action spectra ...