Scientists describe the design and construction of artificial membrane channels, engineered using short segments of DNA. The DNA constructions behave much in the manner of natural cell channels or ...
Schematic of UV-W process. (a) Schematic of UV-W process. (b) Positron annihilation lifetime spectroscopy of the PEI-IIM, PEI-ICM with UV-W process 20 h and 40 h. (c) Ion permeation and selectivity ...
Just as countries import a vast array of consumer goods across national borders, so living cells are engaged in a lively import-export business. Their ports of entry are sophisticated transport ...
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