نتایج جستجو برای: polyvinylpyrrolidone k 30
تعداد نتایج: 869245 فیلتر نتایج به سال:
A novel formulation containing polyvinylpyrrolidone (PVP) K(30)-coated norcantharidin (NCTD) chitosan nanoparticles (PVP-NCTD-NPs) was prepared by ionic gelation between chitosan and sodium tripolyphosphate. The average particle size of the PVP-NCTD-NPs produced was 140.03 ± 6.23 nm; entrapment efficiency was 56.33% ± 1.41%; and drug-loading efficiency was 8.38% ± 0.56%. The surface morphology ...
Recent in situ three-dimensional structural studies have provided a new model for the 30 nm chromatin fiber. In addition, research during the past year has revealed some of the molecular complexity of non-histone chromosomal proteins. Still to come is the unification of molecular insights with chromosomal architecture.
zinc oxide nanoparticles have been synthesized by chemical reaction method. polyvinyl alcohol (pva) composite film filled with nanometric, monodispersed zinc oxide nano particles prepared by pva solution and nanozinc oxide. polymer blend with zno nanoparticle composite film has prepared by casting technique. the property of nano composites depends greatly on the chemistry of polymer matrices....
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