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Physically cross-linked cryogels can be prepared using linear polyethyleneimine (L-PEI) and a freeze-thawing technique. L-PEI was synthesized by hydrolysis of poly(2-ethyl-2-oxazoline) under acidic ...
NARATHIWAT: Construction of the second bridge connecting Rantau Panjang, Kelantan, and Sungai Golok here is progressing as planned, with the Thai authorities currently in the process of selecting ...