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tapered tip nanoESI capillary electrophoresis mass spectrometer interface

Optimal Nanospray Interfaces for Coupling Capillary Electrophoresis to Mass Spectrometry

017-003-nemes – Researchers at the George Washington University developed an ultrasensitive, robust CE-nanoESI (capillary electrophoresis-nano-flow electrospray ionization) interface for MS (mass spectroscopy) that enables the discovery and characterization of proteins in as little as 1 ng of protein digest. This sensitivity means that proteomics no longer requires large tissue amounts containing a large... Read More

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Microencapsulation of Chemical Additives

015-014-hsu – There is a need for a new process for encapsulating complex chemical additives, where microcapsules can give strong performance under hostile chemical and mechanical conditions. While microencapsulation technique is a mature technology, microcapsule products made by traditional techniques may work well only in relatively simple, passive and non-hostile conditions. On the other hand, in... Read More

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Friction Reduction for Engine Components

011-0021-hsu – The demand for automobile energy efficiency and higher emission standards encourages the development of modern engines and drive trains that have lower frictional losses at various contact surfaces. One solution for reducing such frictional losses is to add texture modifications to engine/drive train surfaces that come in contact with one another during operation. However, previous... Read More

DOPED GRAPHITIC CARBON NITRIDES

015037-shuai – A growing number of persistent organic micro-pollutants such as pharmaceuticals and personal care products, pesticides, and herbicides are frequently observed in natural and treated water. Such contaminants are recalcitrant to conventional water and wastewater treatment and may pose risks to human and ecological systems even at very low concentrations. In addition, persistent... Read More

experimental setup

Compact Near-IR and Mid-IR Cavity Ring Down Spectroscopy Device

006-000x-miller-u – Compact Near-IR and Mid-IR Cavity Ring Down Spectroscopy Device There are many technologies available for measuring trace amount of gas species, but there are tradeoffs between accuracy, sensitivity, selectivity, size and cost. For example, while tunable diode laser absorption spectroscopy may provide easily-interpreted spectrums for many gas species, this method generally can be orders... Read More

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Catalytic Transfer Hydrogenation of CO2 to Potassium Formate using Glycerol as a Hydrogen Source

017-053-voutchkova – To simultaneously transform COand glycerol, two low-value by-products, into formate and lactate can be highly economically attractive. Presently, however, it is challenging to achieve the reaction on an industrial scale. GW researchers developed novel single-site supported heterogeneous catalysts that can simultaneously convert COand glycerol into formate and lactate under batch or... Read More

Increased dye penetration with treatment of ultrasound at higher frequencies

Ultrasound Enhanced Drug-Delivery for Treatment of Nail Fungus

017-015-zderic – Nail fungus causes nails to thicken, turn yellow or cloudy in appearance. This disease has proven to cause pain, discomfort and social embarrassment in patients. Systemic treatments for nail fungus have dangerous side-affects such as elevated liver function tests and hepatitis. Topical treatments for nail fungus take many months to work and only work for a small percentage of patients.... Read More

The amount of type II collagen per scaffold for weeks 1-3 in the control, the ultrasound treated scaffolds, and the ultrasound treated scaffold with microbubbles.

Microbubble and Ultrasound Therapies to Enhance Cartilage Repair and Regrowth

017-022-sarkar – By combining low intensity pulsed ultrasound (LIPUS) with lipid coated microbubbles, researchers at GW increased differentiation of human mesenchymal stem cells (hMSCs) into cartilage. Existing treatments for damaged cartilage include autografts, allografts, and total joint replacement. Autografts suffer from donor site morbidity and insufficient donor tissues, allografts have negative... Read More

Mitochondrial energy production rate of the left ventricle of the heart.

MitoScope: Minimally Invasive Device for Measuring the Energy Production Rate of Heart Tissue

017-004-kay – The minimally invasive MitoScope assesses the metabolic rate of heart tissue in vivo, non-destructively, and in real-time. MitoScope measures the mitochondrial enzyme activity of the heart to provide unique insight that could improve the treatment of heart failure, coronary heart disease, diabetes, and many other diseases that alter myocardial metabolism. Existing technologies for metabolic... Read More

Drug-induced instabilities detected by this system. Dofetilide (2 mM) leads to voltage alternans at relatively low pacing frequency (2 Hz).

High-Throughput All-Optical Cardiac Electrophysiology System

016-042-entcheva – The withdrawal of drugs from the market is a costly consequence of undetected adverse effects or toxicity. Over 30% of such withdrawals are due to cardiac toxicity (pro-arrhythmic effects mediated by cardiac ion channels), therefore regulatory agreements mandate the testing of all new drugs for cardiac liability. GW researchers developed the first scalable automated all-optical system for... Read More

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