نتایج جستجو برای: ag positive

تعداد نتایج: 698472  

1995
C. H. Otto Chui Christian Mercat William P. Orrick Paul A. Pearce

We construct integrable lattice realizations of conformal twisted boundary conditions for ŝl(2) unitary minimal models on a torus. These conformal field theories are realized as the continuum scaling limit of critical A-D-E lattice models with positive spectral parameter. The integrable seam boundary conditions are labelled by (r, s, ζ) ∈ (Ag−2, Ag−1,Γ) where Γ is the group of automorphisms of ...

2007
Zejun Hu Haizhong Li Udo Simon

Consider a compact Riemannian manifold (M, g) with metric g and dimension n ≥ 3. The Schouten tensor Ag associated with g is a symmetric (0, 2)-tensor field describing the non-conformally-invariant part of the curvature tensor of g. In this paper, we consider the elementary symmetric functions {σk(Ag), 1 ≤ k ≤ n} of the eigenvalues of Ag with respect to g; we call σk(Ag) the k-th Schouten curva...

2013
Kiran Gupta R P Singh Ashutosh Pandey Anjana Pandey

This paper reports the structural and optical properties and comparative photocatalytic activity of TiO2 and Ag-doped TiO2 nanoparticles against different bacterial strains under visible-light irradiation. The TiO2 and Ag-doped TiO2 photocatalysts were synthesized by acid catalyzed sol-gel technique and characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-vis spe...

2003

Very recently, a series of papers dealing with the reduction of organic halides at silver cathodes have appeared. The most important result emerging from such studies is that silver exhibits extraordinary electrocatalytic activities towards the reduction process, especially in the case of bromides and iodides. The possibility of exploiting the electrocatalytic nature of silver in electrocarboxy...

2014
OGUZ KARABAY AZIZ ÖĞÜTLÜ HANDAN ANKARALI FATMA ÖZDEMIR MELTEM KARABAY HASAN TAHSIN GOZDAS

Background: Anti-HCV test is currently used in the diagnosis of hepatitis C, while hepatitis C virus ribonucleic acid (HCV RNA) is used in the determination of viral load. Recently developed hepatitis C virus core antigen (HCV Ag) test is also used in the diagnosis of hepatitis C. The aim of this study was to compare HCV Ag and quantitative HCV RNA in terms of sensitivity and specificity as wel...

Journal: :Journal of immunology 2003
Jian Li Weiping Li Shaohong Liang Dewei Cai Marie Paule Kieny Lutz Jacob Alban Linnenbach Jan W Abramczuk Hans Bender Katrin Sproesser Rolf Swoboda Rajasekharan Somasundaram DuPont Guerry Dorothee Herlyn

Attempts to vaccinate against tumors can be hindered by the induction of immunological tolerance to the target Ag as a result of Ag expression on normal tissues. In this study, we find that transgenic mice expressing the melanoma-associated Ag CD63/ME491/neuroglandular/NKI/C-3 on their normal tissues do, in fact, exhibit immunological tolerance to the Ag, recapitulating the conditions in cancer...

Journal: :journal of medicinal plants and by-products 0

this study was performed to investigate the effect of ag+ as an elicitor on the activity of antioxidant enzymes, content of h2o2, accumulation of total tocopherol and antioxidant activity in hairy root cultures of silybum marianum (l.) gaertn. the hairy roots were treated with 2 mm ag+. the treated and non-treated hairy roots were harvested in the same time and data on h2o2 content, dpph, tocop...

Journal: :international journal of advanced biological and biomedical research 2015
mohammad bokaeian taher mohasseli nagmeh eskandary saeide saeidi

objective: development of resistance against many of the commonly used antibiotics is an impetus for further efforts to search for new antimicrobial agents. the aim of the study was determined as antibacterial activity of silver nanoparticles produced by plantago ovata seed extract against pseudomonas aeruginosa. methods: all 30 strains of p. aeruginosa wereisolated from isolates of the urinary...

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