نتایج جستجو برای: 41]

تعداد نتایج: 91172  

2011
Yousef Fazaeli Mostafa M Amini Hamed Ashourion Homayoun Heydari Abbas Majdabadi Amir Reza Jalilian Shamsozoha Abolmaali

The goal of this research was to investigate the potential of newly synthesized gold complex trichloro(2,4,6-trimethylpyridine)Au(III) as an anticancer agent. The gold(III) complex was synthesized and grafted on nanoporous silica, MCM-41, to produce AuCl(3)@PF-MCM- 41 (AuCl(3) grafted on pyridine-functionalized MCM-41). The toxicity of trichloro(2,4,6- trimethylpyridine)Au(III) and AuCl(3)@PF-M...

Journal: :Acta Crystallographica Section E Structure Reports Online 2012

Journal: :The Journal of antibiotics 1976
N Tsuji K Nagashima M Kobayashi Y Wakisaka Y Kawamura

Two new antibiotics, A-218 and K-41, were isolated from strains identified as Streptomyces hygroscopicus. The antibiotics are characterized as polycyclic polyether compounds and are active against gram-positive bacteria.

2012
Lijun Xie Jie Huang Jian Zuo Hui Yu Yuanrong Cheng

The title compound, C(51)H(78)N(4)O(12), is a derivative of rapamycin, a triene macrolide anti-biotic mol-ecule isolated from Streptomyces hygroscopicus. The macrocyclic ring structure has 15 chiral centres, with one of the substituent hy-droxy groups giving an intra-molecular hydrogen bond to a ketone O-atom acceptor. The mol-ecules also form inter-molecular hy-droxy-ketone O-H⋯O hydrogen-bond...

2016
G. S. Collins Y. Le Manach

G. S. Collins and Y. Le Manach Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK, and Departments of Anesthesia and Clinical Epidemiology and Biostatistics, Michael DeGroote School of Medicine, Faculty of Health Sciences, Population Health Research Institute, McMaster University and the Perioperati...

Journal: :Plastic and Reconstructive Surgery - Global Open 2020

Journal: :Zeitschrift für die gesamte Strafrechtswissenschaft 1908

Journal: :Estudios 2020

2014
B. Dorociaková R. Olach

and Applied Analysis 3 We now define two maps S1 and S2 : Ω → C t0,∞ , R as follows: S1x t ⎧⎨ ⎩ a t x t − τ , t ≥ t1, S1x t1 , t0 ≤ t ≤ t1, S2x t ⎪⎨ ⎪⎩ − 1 n − 1 ! ∫∞ t s − t n−1p s f x s − σ ds, t ≥ t1, S2x t1 v t − v t1 , t0 ≤ t ≤ t1. 2.5 We will show that for any x, y ∈ Ω we have S1x S2y ∈ Ω. For every x, y ∈ Ω and t ≥ t1 we obtain S1x t ( S2y ) t ≤ a t v t − τ − 1 n − 1 ! ∫∞ t s − t n−1p s ...

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