نتایج جستجو برای: γ lactam

تعداد نتایج: 81485  

2005
PAVEL BĚLÍK

We give results for the Γ-limit of a scaled elastic energy of a film as the thickness h > 0 converges to zero. The elastic energy density models materials with multiple phases or variants and is thus non-convex. The model includes an interfacial energy that allows sharp interfaces between the phases and variants and is proportional to the total variation of the deformation gradient.

Journal: :Journal of clinical microbiology 2000
C C Sanders M Peyret E S Moland C Shubert K S Thomson J M Boeufgras W E Sanders

The Advanced Expert System (AES) was used in conjunction with the VITEK 2 automated antimicrobial susceptibility test system to ascertain the beta-lactam phenotypes of 196 isolates of the family Enterobacteriaceae and the species Pseudomonas aeruginosa. These isolates represented a panel of strains that had been collected from laboratories worldwide and whose beta-lactam phenotypes had been cha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد 1388

در این پایان نامه، خواص ساختاری و اپتیکی نانوذرات که با روش سل-ژل و به کمک کلرید آهن ، اسید سیتریک و اتیلن گلیکول تولید شده، گزارش شده است. اثر دماهای مختلف تکلیس (℃360، ℃400، ℃550، ℃ 850 و ℃1000) بر روی خواص ساختاری و اپتیکی نانوذرات مورد بررسی قرار گرفته است. طرح پراش پرتوی x، فاز آمورف را برای نمونه تکلیس شده در دمای ℃360، نشان می¬دهد. برای نمونه ℃400 شاهد وجود همزمان فازهای مکعبی (فاز α اک...

ژورنال: پژوهش در پزشکی 2015

The study emphasizes the reasons use of beta-lactamase inhibitors in combination with beta-lactam antibiotics. ß-lactam-ß-lactamase inhibitors are currently the most successful strategy for infections caused by extended-spectrum β-lactamase and carbapenemases bacteria.

2000
CHRISTINE C. SANDERS MICHEL PEYRET ELLEN SMITH MOLAND CAROLE SHUBERT KENNETH S. THOMSON JEAN-MARC BOEUFGRAS

The Advanced Expert System (AES) was used in conjunction with the VITEK 2 automated antimicrobial susceptibility test system to ascertain the b-lactam phenotypes of 196 isolates of the family Enterobacteriaceae and the species Pseudomonas aeruginosa. These isolates represented a panel of strains that had been collected from laboratories worldwide and whose b-lactam phenotypes had been character...

2014
Evgeny Kiselev Dhriti Sooryakumar Keli Agama Mark Cushman Yves Pommier

Optimization of the lactam ω-aminoalkyl substituents in a series of 7-azaindenoisoquinolines resulted in new anticancer agents with improved Top1 inhibitory potencies and cancer cell cytotoxicities. The new compounds 14-17 and 19 exhibited mean graph midpoint cytotoxicity (GI50) values of 21-71 nM in the NCI panel of 60 human cancer cell cultures. Ternary 7-azaindenoisoquinoline-DNA-Top1 cleava...

2013
Luigi Ambrosio Maria Colombo Simone Di Marino S. Di Marino

In this paper we make a survey of some recent developments of the theory of Sobolev spaces W (X, d,m), 1 < q < ∞, in metric measure spaces (X, d,m). In the final part of the paper we provide a new proof of the reflexivity of the Sobolev space based on Γ-convergence; this result extends Cheeger’s work because no Poincaré inequality is needed and the measure-theoretic doubling property is weakene...

2005
Pablo Pedregal

By looking at the Γ-convergence of some easy functionals in terms of underlying Young measures, we emphasize the connection of this issue with the Monge-Kantorovich mass transfer problem. After exploring this relationship, we study a typical example in periodic homogenization to realize the difference between the Monge-Kantorovich problem and the usual cell-problem. We also state a version of t...

Journal: :SIAM J. Numerical Analysis 2012
Andrea Braides Nung Kwan Yip

We investigate the limiting description for a finite-difference approximation of a singularly perturbed Allen–Cahn type energy functional. The key issue is to understand the interaction between two small length-scales: the interfacial thickness ε and the mesh size of spatial discretization δ. Depending on their relative sizes, we obtain results in the framework of Γ-convergence for the (i) subc...

Journal: :Asian Pacific journal of allergy and immunology 2016
Wiparat Manuyakorn Prapasiri Singvijarn Suwat Benjaponpitak Wasu Kamchaisatian Ticha Rerkpattanapipat Cherapat Sasisakulporn Wanlapa Jotikasthira

OBJECTIVE Skin testing with penicilloyl-polylysine (PPL) and a minor determinant mixture (MDM) were previously recommended for evaluating β-lactam hypersensitivity. However, PPL and MDM have not been commercially available. This study was to determine the negative predictive value (NPV) of skin testing with β-lactam antibiotics for the diagnosis of β-lactam hypersensitivity. METHOD Patients a...

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