نتایج جستجو برای: bioluminescence emission spectrum
تعداد نتایج: 396029 فیلتر نتایج به سال:
The deep ocean is the largest and least known ecosystem on Earth. It hosts numerous pelagic organisms, most of which are able to emit light. Here we present a unique data set consisting of a 2.5-year long record of light emission by deep-sea pelagic organisms, measured from December 2007 to June 2010 at the ANTARES underwater neutrino telescope in the deep NW Mediterranean Sea, jointly with syn...
Bioluminescence imaging is widely used for cell-based assays and animal imaging studies in biomedical research and drug development, capitalizing on the high signal to background of this technique. A relatively small number of luciferases are available for imaging studies, substantially limiting the ability to image multiple molecular and cellular events, as done commonly with fluorescence imag...
Prospects of obtaining plants glowing in the dark have captivated the imagination of scientists and layman alike. While light emission has been developed into a useful marker of gene expression, bioluminescence in plants remained dependent on externally supplied substrate. Evolutionary conservation of the prokaryotic gene expression machinery enabled expression of the six genes of the lux opero...
A C f E R I A L L U C I F E R A S E : B I O L U M I N E S C E N C E E M I S S I O N U S I N G L U M A Z I N E S A S S U B S T R A T E S P e t e r M a c h e r o u x a n d S a n d r o G h i s l a U n i v e r s i t y o f K o n s t a n z , F a c u l t y o f B i o l o g y , P . O . B o x 5 5 6 0 , D 7 8 4 3 4 K o n s t a n z , G e n n a n y J . W o o d l a n d H a s t i n g s H a r v a r d U n i v e...
It is well known that main group metal ions with an s* electron configuration form a large variety of polynuclear coordination compounds [l]. Recently it has been suggested that in these compounds a weak metal-metal bonding may exist which is achieved by sp orbital mixing [2]. In particular, calculations on Tl+ clusters were used to support this idea. Unfortunately, the metal-metal interaction ...
Here we calculate pulsar emission, apparently from first principles, i.e., without any arbitrary assumptions. Our method applies to weak pulsars. A pulsar is called weak if pair production near the light cylinder is negligible compared to Goldreich-Julian density [1] per rotation. The weak pulsar approximation must be accurate for some, and perhaps meaningful for most, Fermi [2] pulsars. We tre...
background: to date, several imaging techniques to track stem cells are used such as positron emission tomography (pet), single photon emission computed tomography (spect), bioluminescence imaging (bli), fluorescence imaging, ct scan and magnetic resonance imaging (mri). although, overall sensitivity of mri compared to spect and bioluminescence techniques are lower, but due to high spatial reso...
PURPOSE To generate a transgenic mouse that when crossed with spontaneous mouse models of lymphoma will allow for quantitative in vivo measurement of tumor burden over the entire spectrum of the disease and or response to therapy in a "disease" or lymphoma subtype-specific manner. EXPERIMENTAL DESIGN We developed a novel genetically engineered transgenic mouse using a CherryLuciferase fusion ...
In the present work, a one pot, rapid and room temperature photochemical Synthesis of transition metal (TM; Cu, Mn, Cr)-doped ZnSe/ZnS core/shell nanocrystals (NCs) was reported. FT-IR spectrum confirmed the capping of ZnSe by thioglycolic acid. XRD and TEM analysis demonstrated zinc blende phase NCs with an average size of around 3 and 5 nm for TM:ZnSe and TM:ZnSe/ZnS NCs, respectively. PL spe...
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