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In recent years, pest management scientists are reappraising the use of inert dusts as alternative insecticides because of several growing problem of the conventional insecticides like cumulative environmental pollution, increasing insect resistance to them etc. The naturally occurring amorphous micron sized silica (Diatomaceous Earth), derived from fossil phytoplankton has gained enormous popularity...
In this paper, hydroxyapatite (HA) sol composed of nanosized HA particles was incorporated into collagen gel to regulate cell-mediated collagen contraction. Human bone marrow derived stromal cells (hMSCs) were cultured for 37 days in gels with HA to collagen ratios of 0:1, 0.5:1, 1:1, 1.5:1, and 2:1, respectively. The contraction of gels was evaluated by measuring diameter change with incubation time,...
Carbon nanotubes represent a new class of gene transporters potentially useful for future in vitro and in vivo gene delivery applications. The aim of this study was to modify the surfaces of carbon nanotubes (CNTs) with polyamidoamine dendrimer (PAMAM) in order to reduce the cytotoxicity and enhance the cellular uptake of the nanoparticles. In this study, we have prepared and characterized the PAMAM...
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