نتایج جستجو برای: alpha activity
تعداد نتایج: 1294400 فیلتر نتایج به سال:
We demonstrate a wide-field alpha-particle imaging system based on the detection of alpha-induced scintillation light from ZnS:Ag screen using an EMCCD camera. develop efficient image processing algorithm to remove cosmic and thermal noise locate alpha particle interactions in images. This is particularly suited low-activity samples where long acquisition periods entail large number frames with...
The ability of two subtypes of recombinant human alpha interferons (IFN), rIFN-alpha A and rIFN-alpha D, and two intramolecular hybrids, rIFN-alpha A/D and rIFN-alpha D/A, to modulate murine natural killer (NK) cell activity in vitro and in vivo was examined. The cytotoxic activity of murine spleen cells was markedly augmented by rIFN-alpha A/D following in vitro incubation, while the other IFN...
The proteolytic activity of trypsin releases the dye Remazol Brilliant Blue from its high molecular weight substrate, the skin powder (Hide Powder Azure, Sigma), with an increase in absorbance at 595 nm. Active alpha(2)- macroglobulin (80 mug/ml) totally inhibits the proteolytic activity of trypsin (14 mug/ml) by trapping this protease. But after a 20 min incubation of alpha(2)-macroglobulin at...
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