Browsing by Subject "fluorescence"
Now showing items 1-20 of 33
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The rapid detection and assessment of bacterial infections is of critical significance in various settings. Currently, the “gold standard” for the quantification of bacterial species is Colonies Forming Units (CFU) counting, ...
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(2023-05-01)Advancements in fluorescence intensity-based, fully injectable biosensors for continuous glucose monitoring for diabetes management has shown great promise over the past several years. Our group has extensively reported ...
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(2012-07-16)The study of high-speed flows represents a challenging problem in the fluid dynamics field due to the presence of chemical reactions and non-equilibrium effects. Hypersonic flights, where speeds reach Mach 5 and above, are ...
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(Texas A&M University, 2006-08-16)Most proteins residing in the mitochondrial matrix are synthesized in the cytosol and post-translationally imported into the mitochondrial matrix. The matrix-targeted preproteins traverse the outer mitochondrial membrane ...
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(1993)Firefly luciferase catalyzes a bioluminescent oxidation of luciferin. During the first step of the reaction, when luciferin interacts with ATP, a molecule of luciferyl adenylate is formed and a molecule of pyrophosphate ...
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(Texas A&M University, 2006-04-12)A new optical imaging modality has been developed for small animal in vivo imaging of near-infrared fluorescence resulting from fluorescent contrast agents specifically targeted to molecular markers of cancer. The imaging ...
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(2016-04-25)The fluorescence and absorbance optical properties of seawater samples from the Deepwater Horizon (DWH) oil spill were analyzed to examine the transport and fate of oil both during and after the spill, as well as the effect ...
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Confocal Microscopy and Nuclear Segmentation Algorithm for Quantitative Imaging of Epithelial Tissue (2015-07-08)Carcinomas, cancers that originate in the epithelium, account for more than 80% of all cancers. When detected early, the 5-year survival rate is greatly increased. Biopsy and histopathology is the current gold standard for ...
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Design and Verification of an Optical System to Interrogate Dermally-implanted Microparticle Sensors (2012-07-16)Diabetes mellitus affects 25.8 million Americans (8.3%) and over 300 million people worldwide. Clinical trials indicate that proper management of blood glucose levels is critical in preventing or delaying complications ...
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(2009-05-15)A series of seven functionalized near-infrared aza-BODIPY dyes have been synthesized and their spectroscopic properties measured. Their fluorescence emissions could be tuned by altering the electronic substituents on the ...
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(2016-08-09)Tuberculosis (TB) is a deadly pulmonary disease with an especially high mortality rate in immuno-compromised populations, specifically children and HIV positive individuals. The causative agent, Mycobacterium tuberculosis ...
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(2015-04-27)Iron-sulfur clusters are critical cofactors in living organisms. They are synthesized using complex biosynthetic machinery that has evolved to control the reactivity of iron and sulfide and to appropriately target clusters ...
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(2009-05-15)The vulnerability of the Arctic to climate change has been realized due to disproportionately large increases in surface air temperatures which are not uniformly distributed over the seasonal cycle. Effects of this temperature ...
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(2009-05-15)Prolonged exposure of humans and experimental animals to microgravity is known to be associated with a variety of physiological and cellular disturbances. With advancements in aerospace technology and prolonged space ...
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(2009-05-15)A novel bioassay for the evaluation of plant water status was developed by Burke (2007). The research reported herein was designed to evaluate this new protocol as a tool for use in cotton breeding programs for the ...
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(2020-01-08)This study investigates the relative influences of rock properties (porosity, clay content, grain density, and water saturation) on sediment dewatering in the interests of improving understanding of soaking enhanced oil ...
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(2014-04-25)Fluorescence lifetime imaging microscopy (FLIM) is a noninvasive invasive optical imaging modality which is finding new applications in medical imaging. In FLIM, the fluorescence time decay is measured at a pixel. The ...
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Bacterial infections cause thousands of deaths every year. A method for fast, in situ detection of bacteria and confirmation of their live/dead status would be invaluable. Excitation-emission matrices (EEMs) and synchronous ...
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Kinetics and dynamics study on the allosteric pathway of phosphofructokinase from Escherichia coli (Texas A&M University, 2008-10-10)Phosphofructokinase from Escherichia coli (EcPFK) is allosterically regulated by MgADP and phosphoenolpyruvate (PEP), which act to activate or inhibit, respectively, by changing the substrate (Fru-6-P) affinity of the ...
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(2021-04-19)Recently, more attention has been raised in regard to the study of bacteria-infecting viruses or bacteriophages for a number of reasons. First, they serve as new weapons against antibiotic-resistant pathogens. In addition, ...