نتایج جستجو برای: cr3
تعداد نتایج: 1222 فیلتر نتایج به سال:
Near-infrared (NIR) persistent phosphor ZnGa2O4:Cr3+ (ZGC) has unique deep-tissue rechargeable afterglow properties. However, the current synthesis leads to agglomerated products with irregular morphologies and wide size distributions. Herein, we report on in vivo rechargeable mesoporous SiO2/ZnGa2O4:Cr3+ (mZGC) afterglow NIR-emitting nanocomposites that are made by a simple, one-step mesoporou...
The distances between enzyme-bound paramagnetic CrATP (a stable, beta, gamma-bidentate complex of Cr3+ and ATP) at the active site of sheep brain pyridoxal kinase and the protons of bound inhibitor 4-dPyr (4-deoxypyridoxine) were determined in the ternary enzyme-CrATP.4-dPyr complex by measuring the paramagnetic effects of Cr3+ on the longitudinal relaxation rates (1/T1p) of the protons of 4-dP...
The adenovirus E1A protein contains three well conserved regions, designated conserved region (CR) 1, 2 and 3, which are important for the multiple activities ascribed to E1A. The CR3 domain constitutes a prototypic transcription activator, consisting of a promoter targeting region and a transactivating region. Here we demonstrate the existence of a second transactivating region located within ...
Sperm cell and embryo toxicity tests using the Mediterranean sea urchin Paracentrotus lividus Lmk were performed to assess the toxicity of As3+, Cd2+, Cr3+, Ni2+, Pb2+, Cu2+, Zn2+, and Hg2+. The aim of this study was to improve information about the comparative sensitivity of sea urchin bioassays to the heavy metals, which are an important cause of contamination in the ecosystem of the Lagoon o...
Enriques and Fano [4], [5] classified all the maximal connected algebraic subgroups of Cr3. Our aim is to give modern and rigorous proofs to their results. In [10], we studied the primitive subgroups. In this paper, we deal with exceptional imprimitive groups. The imprimitivity is an analytic notion. The natural translation of the imprimitivity in algebraic geometry is the de Jonquieres type op...
Diffuse and high-grade astrocytomas are invasive neoplasms which grow diffusely into the brain parenchyma. Microglia has been termed the brain’s immune system, although its specific role remains uncertain. Objective of this study was to assess in a series of astrocytic neoplasms, the expression of a macrophage marker CD 68 and Major Histocompatibility Complex Class II CR3/43. We examined 10 pil...
Fulminant meningococcal sepsis has been termed the prototypical lipopolysaccharide (LPS)-mediated gram-negative septic shock. Systemic inflammation by activated complement and cytokines is important in the pathogenesis of this disease. We investigated the involvement of meningococcal LPS in complement activation, complement-dependent inflammatory effects, and cytokine or chemokine production. W...
Reactivation of latent cytomegalovirus (CMV) is an important cause of disease in susceptible patients. We previously demonstrated that an adenovirus early gene product can transactivate the CMV major immediate early (IE) promoter in inflammatory cells. This effect was due to the conserved region 3 (CR3) of the adenovirus E1A 13S gene product. There are two domains in the CR3 region, a zinc fing...
Zymosan is a beta-glucan- and mannan-rich particle that is widely used as a cellular activator for examining the numerous responses effected by phagocytes. The macrophage mannose receptor (MR) and complement receptor 3 (CR3) have historically been considered the major macrophage lectins involved in the nonopsonic recognition of these yeast-derived particles. Using specific carbohydrate inhibito...
The recombinant hepatitis B virus surface (HBsAg) and core (HBcAg) virus like particles (VLPs) have the ability to serve as carriers of foreign B cell and CTL epitopes. Different approaches have been used to couple the target epitopes, like the insertion into the primary sequence of the VLP, covalent and noncovalent linkage. Particularly, the non-covalent linkage was used to develop the vaccine...
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