نتایج جستجو برای: sulphydryl reactivities
تعداد نتایج: 2858 فیلتر نتایج به سال:
Base-promoted glycosylation is a recently established stereoselective and regioselective approach for the assembly of di- and oligosaccharides by using partially protected acceptors and glycosyl halide donors. Initial studies were performed on partially methylated acceptor and donor moieties as a model system in order to analyze the key principles of oxyanion reactivities. In this work, extende...
All the 16 mouse monoclonal antibodies (McAbs) raised against Nancy strain of coxsackievirus B3, CoxB3(N), were type 3-specific. The reactivity of CoxB3(N) to this McAb panel during the serial passages showed a variation. Three field isolates of CoxB3, all neutralizable with the reference Anti-CoxB3 hyperimmune serum, were checked for the reactivities with the McAb panel. The isolates from the ...
The characteristic species present in organolithium compounds under various conditions are reviewed. The effects of environment on the kinetics and energetics of exchange reactions are discussed. A summary is given of various pathways by which organolithium compounds might react. Kinetic and spectroscopic evidence for these processes under various conditions are reviewed. A discussion is presen...
Stereoselective and transannular reactivities are described for the ABD tricyclic manifold of phomactin A that possesses a unique structural topology.
Reactivities of non-heme iron(IV)-oxo complexes are mostly controlled by the ligands. Complexes with tetradentate ligands such as [(TPA)FeO]2+ (TPA=tris(2-pyridylmethyl)amine) belong to most reactive ones. Here, we show a fine-tuning reactivity an additional ligand X (X=CH3CN, CF3SO3?, ArI, and ArIO; ArI=2-(tBuSO2)C6H4I) attached in solution reveal thus far unknown role ArIO oxidant. The HAT [(...
Traditionally, immunologic diagnosis has been based on an attempt to correlate each disease with a specific immune reactivity, such as an antibody or a T-cell response to a single antigen specific for the disease entity. The state of the body, however, appears to be encoded by the immune system in collectives of reactivities and not by single reactivities. Here we describe our use of microarray...
Introduction Cellular entry of human immunodeficiency virus type 1 (HIV-1) depends on envelope glycoprotein (gp120/gp41) interactions with host-cell receptors. Approximately onehalf of molecular mass of gp120 consists of N-glycans which may act as antigenic determinants as well as a shield against immune recognition. We have shown that glycosylation of subtype B HIV-1 gp120 varies according to ...
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