نتایج جستجو برای: cytotoxicity assay
تعداد نتایج: 258535 فیلتر نتایج به سال:
Measuring the potentially adverse effects of materials on human body is vital and essential for their use, including medical applications. One properties that need to be known cytotoxic effect avoid local systemic effects. It very important scientists professionals are aware body. This study also summarizes data morphology, chemical composition, ethylene-vinyl acetate (EVA) orthopaedic cytotoxi...
objective: envenomation by heamotoxic snakes constituted a critical health occurrence in the world. bleeding is the most sever consequence following snake bite with viperid and crothalid snakes. it is believed that the degradation of vascular membrane caused hemorrhage; in contrast, some suggested that direct cytotoxicity has role in endothelial cell disturbances. this study was to evaluate the...
Assessment of natural killer cells (NK-cell) cytotoxicity is used not only in research settings but is also important in diagnosis of various diseases. NK-cell cytotoxicity assays are based on measurement of target cells killed by cytotoxic cells analyzed either by chromium (51Cr) release assay or flow cytometry. Both these methods use peripheral blood mononuclear cells (PBMC) or pure NK-cell p...
Measuring Cytotoxicity by Bioluminescence Imaging Outperforms the Standard Chromium-51 Release Assay
The chromium-release assay developed in 1968 is still the most commonly used method to measure cytotoxicity by T cells and by natural killer cells. Target cells are loaded in vitro with radioactive chromium and lysis is determined by measuring chromium in the supernatant released by dying cells. Since then, alternative methods have been developed using different markers of target cell viability...
Introduction: The objective of this work was to investigate the therapeutic effect of a combination of hyperthermia at 43oC exposured for 20, 40, 60 min with 6MeV electron beams at different radiation doses (2, 4, 6 Gy) compared to radiation alone. Materials and Methods: In this in vitro study, HeLa cells were exposed to either: 6MeV electron beams at diffe...
Marine sponges are primitive sessile animals that rich sources of biologically active compounds. This paper aimed to assess the in-vitro biological activity marine from Theonella and Haliclona genera collected Bidong Island, Terengganu, Malaysia. Biological activities such as antibacterial (discs diffusion assay), antioxidant (DPPH free-radical scavenging cytotoxicity (against cancerous HeLa, M...
introduction: this in vitro study assessed and compared the cytotoxicity of mineral trioxide aggregate (mta), calcium-enriched mixture (cem) cement, biodentine (bd) and octacalcium phosphate (ocp) on stem cells of the human apical papilla (scap). methods and materials: scaps were isolated from two semi-impacted third molars. the cells were cultured in wells of an insert 24-well plate and were t...
The multidrug resistance (MDR) modulators amiodarone (AM), cyclosporin A (CsA), and PSC 833 were tested for their potential to modulate cytotoxicity of doxorubicin (DOX), vincristine (VCR), and mitoxantrone (MX) in a sensitive human small cell lung carcinoma cell line GLC4, in its DOX-resistant non-P-glycoprotein subline GLC4-Adr, and in its cisplatin-resistant subline GLC4-CDDP. GLC4-Adr, in w...
Background and Aim: One of the spices of compositae is the Sclerorhachis platyrachis that is Iranian native. This aromatic plant has been known as bacterial growth inhibitor. This study have been attempted to investigate antioxidant activity and cytotoxicity effect of Sclerorhachis platyrachis extractson the MCF-7 cell line. Materials and Methods: The Hexane (HE), Chloroform (CE), Ethyl acetate...
objective(s): first, 10-bromodecanoic acid was covalently attached to all available surface primary amines of ppi g2 and g3 to increase their lipophilicity. in the subsequent step, ppis were conjugated to the alkylcarboxylate groups of alkylcarboxylate-ppi derivatives to increase the number of surface primary amines. physicochemical properties of modified ppis were determined. transfection expe...
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