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The regioselective synthesis of an amphiphilic chitosan derivative, O,O′-dipalmitoyl chitosan (DPCT) was achieved by the selective protection of amino groups in MeSO 3 H. The amphiphilic behavior and miscibility with cholesterol of DPCT were studied through Langmuir–Blodgett (LB) technique. The condensed monolayer formed at water–air interface had a collapse pressure of 40mNm −1 and...
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