نتایج جستجو برای: bioluminescence
تعداد نتایج: 4158 فیلتر نتایج به سال:
T he fascinating biochemistry, genetics, and cell density-dependent regulation of bacterial bioluminescence provoke a challenging question. What good is it to bioluminescent bacteria? There may be no single answer to this seemingly simple question. However, two recent advances shed new light on the problem. First, studies of the symbiosis between the bioluminescent bacterium Vibrio fischeri and...
We developed a novel approach to assess tumor vascularity using recombinant Gaussia luciferase (rGluc) protein and bioluminescence imaging. Upon intravenous injection of rGluc followed by its substrate coelenterazine, non-invasive visualization of tumor vascularity by bioluminescence imaging was possible. We applied this method for longitudinal monitoring of tumor vascularity in response to the...
Portable light-baffled underwater photometers have been designed for the measurement of dinoflagellate bioluminescence by day and night. Maximal light emission is obtained by mechanical stimulation in a defined volume. The pump which stimulates the dinoflagellates also constantly replenishes the sample volume so that continuous measurements are possible. Evidence for both diurnal variation and ...
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