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Our objective is to develop a highly miniaturized, solid-phase platform for assaying the function and inhibition of integral membrane proteins (IMPs). To functionalize materials with active membrane proteins, the challenge is to build stabilized, supported biomembranes in which the substrate to biomembrane spacing can be controlled to accommodate larger membrane protein. The silica microsphere (5...
Our aim is to design alpha-helical peptide complexes to enhance their stability and biological feasibility for the study of membrane proteins and their interactions. In on-going work, we employ (K3A4L2A7L2A3K3) as anchoring molecules, where conjugation of the peptide with fluoresceine isothiocyanate (FITC) allows one to access a variety of chemistries (such as introducing fluorescent dye, etc.) for...
In this work we for the first time demonstrate real-time monitoring of the expression of membrane proteins in native, live cells, free of hydrodynamic stress at single cell resolution. This micro-optofluidic mechanism is uniquely enabled by the intricate interplay of gravity induced sedimentation with laminar flow, fast diffusion and short optical path length on our lab-in-a-trench platform.
Summary form only given: Although ionized gases have been known to have biological effects for more than 100 years, their impact on the practice in healthcare service became very significant only recently. Today, plasma-based surgical tools are used for tissue reduction and blood coagulation as surgical procedures. Most significant however is the speed at which low-temperature gas plasmas are finding...
We present a highly parallel and reproducible method for reconstituting an array of lipid bilayers to analyze membrane transport. We infuse buffer/lipid/buffer solutions sequentially into a microchannel with numerous microchambers in its walls and seal each chamber by a lipid bilayer containing membrane proteins. Due to the small volume of the chamber (2 pL), membrane transport of confined fluorescent...
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