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Purpose Based on adherence to intestinal mucosa, intralumenally administered liposomal formulations of 5-aminosalicylate (5-ASA) and 6-mercaptopurine (6-MP) were studied for their potential to enhance local drug delivery to intestinal tissue for the treatment of inflammatory bowel disease. Methods 5-ASA was encapsulated in standard phospholipid liposomes while 6-MP required encapsulation in nonphospholipid...
We have performed a study of differently shaped InGaAs/InGaAsP quantum wells (Lz = 10 nm) with a view to finding the structure which produces the largest quantum confined Stark shift. We find both theoretically and experimentally that our greatest shift is produced by the structure composed of stepped quantum wells.
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