نتایج جستجو برای: periodate
تعداد نتایج: 1307 فیلتر نتایج به سال:
The inhibitory effects of a number of periodate-oxidation products of carbohydrates and carbohydrate derivatives were studied on various transplanted tumors in mice and on a variety of microorganisms. Many of the compounds showed striking inhibition of Ehrlich ascites and inhibition of Leukemia L1210 in mice. The compounds were not active against Sarcoma 180 and Adenocarcinoma 755 or against an...
Erythrocytes modified to different extents with periodate were used in hemagglutination assays to investigate the binding properties of antihemagglutinin monoclonal antibody-selected antigenic variants of X-31 influenza virus. The results allowed differentiation of groups of variants and are discussed in relation to the nature of the amino acid substitutions in the variant hemagglutinins and th...
Mussel adhesive proteins (MAPs) have received increased attention as potential biomedical and environmental friendly adhesives. However, practical application of MAPs has been severely limited by uneconomical extraction and unsuccessful genetic production. Developing new adhesives requires access to large quantities of material and demonstrations of bulk mechanical properties. Previously, the a...
The monoclonal antibody A2B5 recognizes antigens at the surface of neuronal and glial cells but also at the surface of thymus epithelia and pancreatic islet cells. Although these antigens have been characterized as polysialogangliosides, A2B5 also reacts with other unidentified gangliosides. In order to characterize further the epitope of A2B5, two new ganglioside antigens isolated from chicken...
Single cell suspensions of rat lymphoid and nonlymphoid tissues were fractionated on discontinuous gradients of bovine serum albumin into high density and low density subfractions. In general, accessory activity required for responses of periodate-treated T lymphocytes was recovered only in a low density population containing a small percent of the total fractionated cells from lymph nodes, spl...
Human erythrocyte ghosts were chemically cross-linked with a family of bifunctional cross-linking reagents, imidoesters. Since the reagents are identical in their chemical structures, except for the number of methylene groups, they differ by that distance between the functional groups. The maximum distance is 4.9 A in dimethyl malonimidate, 6.1 A in dimethyl succinimidate, 8.6 A in dimethyl adi...
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