نتایج جستجو برای: n9

تعداد نتایج: 498  

2015
Harika Ryakala S. Dineshmohan Alluri Ramesh V. R. M. Gupta

Diabetes mellitus (DM) and hypertension are two common diseases that often coexist. The most common cause of death in the diabetic patient is heart disease. In the present investigation we combine Nebivolol and Nateglinide for better patient compliance. IR layer was formulated using various superdisintegrants like Crospovidone, Croscarmellose sodium, and sodium starch glycolate and SR layer was...

Journal: :Dalton transactions 2013
Alicia Domínguez-Martín Duane Choquesillo-Lazarte Jose A Dobado Isaac Vidal Luis Lezama Josefa María González-Pérez Alfonso Castiñeiras Juan Niclós-Gutiérrez

For a better understanding of the versatile behaviour of adenine as a ligand, a series of 10 ternary copper(II) complexes with deaza-adenine ligands [7-azaindole (1,6,7-trideaza-adenine, H7azain), 4-azabenzimidazole (1,6-dideaza-adenine, H4abim), 5-azabenzimidazole (3,6-dideaza-adenine, H5abim), and 7-deaza-adenine (H7deaA)] have been synthesised and characterised by X-ray diffraction. Likewise...

Journal: :Journal of molecular biology 1995
C L White M N Janakiraman W G Laver C Philippon A Vasella G M Air M Luo

A phosphonate analog of N-acetyl neuraminic acid (PANA) has been designed as a potential neuraminidase (NA) inhibitor and synthesized as both the alpha (ePANA) and beta (aPANA) anomers. Inhibition of type A (N2) and type B NA activity by ePANA was approximately a 100-fold better than by sialic acid, but inhibition of type A (N9) NA was only ten-fold better than by sialic acid. The aPANA compoun...

2014
Joanna M. Swarbrick Richard Graeff Hongmin Zhang Mark P. Thomas Quan Hao Barry V. L. Potter

Cyclic adenosine 5'-diphosphate ribose (cADPR) analogs based on the cyclic inosine 5'-diphosphate ribose (cIDPR) template were synthesized by recently developed stereo- and regioselective N1-ribosylation. Replacing the base N9-ribose with a butyl chain generates inhibitors of cADPR hydrolysis by the human ADP-ribosyl cyclase CD38 catalytic domain (shCD38), illustrating the nonessential nature o...

1999
M. C. F. Vidal A. Castineiras

The acid-base properties of N,N9-disubstituted dithiooxamides derived from alkyl-a-aminoacids or glycylglycine were studied in aqueous solutions of pH 2.5-10.8. For each dithiooxamide, protonation constants were obtained from potentiometric data for three dilute aqueous solutions [I50.15 M (NaClO ), 37.08C] using the program HYPERQUAD, and are reported as conventional pK values. For 4 a compoun...

2001
Miguel Antunes António Rito Silva Jorge Martins Hugo Miranda Luís E. T. Rodrigues

Replication and distributed communication are usually tightly coupled. This code tangling forbids their independent reuse and adaptation. In this position paper the problems resulting from coupling replication with distributed communication are discussed. In addition, a solution based on separation of concerns is proposed. The abstractions for each concern are presented as well as their composi...

2010
Matthew W. Powner John D. Sutherland Jack W. Szostak

The recent development of a sequential, high-yielding route to activated pyrimidine nucleotides, under conditions thought to be prebiotic, is an encouraging step toward the greater goal of a plausible prebiotic pathway to RNA and the potential for an RNA world. However, this synthesis has led to a disparity in the methodology available for stepwise construction of the canonical pyrimidine and p...

Journal: :Infectious Diseases in Obstetrics and Gynecology 2007
Sara E. Dover Alla A. Aroutcheva S. Faro Michael L. Chikindas

OBJECTIVE To evaluate the safety of the antimicrobial peptide, lactocin 160. METHODS Lactocin 160, a product of vaginal probiotic Lactobacillus rhamnosus 160 was evaluated for toxicity and irritation. An in vitro human organotypic vaginal-ectocervical tissue model (EpiVaginal) was employed for the safety testing by determining the exposure time to reduce tissue viability to 50% (ET-50). Hemol...

2014
Lining Ke Wei Guo Jianwen Xu Guodong Zhang Wei Wang Wenhua Huang

The microglia-mediated inflammatory reaction promotes neuronal damage under cerebral ischemia/hypoxia conditions. We therefore speculated that inhibition of hypoxia-induced microglial activation may alleviate neuronal damage. To test this hypothesis, we co-cultured ginsenoside Rb1, an active component of ginseng, and cortical neurons. Ginsenoside Rb1 protected neuronal morphology and structure ...

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