نتایج جستجو برای: abc

تعداد نتایج: 15241  

2009
Dominic C. Jenner Elie Dassa Adrian M. Whatmore Helen S. Atkins

Brucellosis is a prevalent zoonotic disease and is endemic in the Middle East, South America, and other areas of the world. In this study, complete inventories of putative functional ABC systems of five Brucella species have been compiled and compared. ABC systems of Brucella melitensis 16M, Brucella abortus 9-941, Brucella canis RM6/66, Brucella suis 1330, and Brucella ovis 63/290 were identif...

2002
Philip Beaulieu Anita Lakra Michael Wright

Textbook authors and publishers face a difficult decision regarding coverage of activity-based costing (ABC). ABC could be presented in strictly positive terms because it enjoyed immense popularity when it was introduced in the 1980s, and it is still presented in favourable terms in practitioner journals. On the other hand, it is possible to criticize ABC on practical and theoretical grounds. I...

2015
Wenxiang Gu Minghao Yin Chunying Wang

The ABC algorithm has been used in many practical cases and has demonstrated good convergence rate. It produces the new solution according to the stochastic variance process. In this process, the magnitudes of the perturbation are important since it can affect the new solution. In this paper, we propose a self adaptive artificial bee colony, called self adaptive ABC, for the global numerical op...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم پایه 1391

آنزیم کندروئیتیناز abc iیک آنزیم باکتریایی با وزن مولکولی در حدود kda 112.5 و 997 اسیدآمینه است و به خانواده کندروئیتیناز ها تعلق دارد. این آنزیم قادر است galag ها (گالاکتوزآمینوگلیکان) را بشکند و ویژگی سوبسترایی وسیعی دارد ودر بین سوبستراهای گلیکوزآمینوگلیکان، کندرئیتین 4-سولفات، کندرئیتین 6-سولفات، درماتان سولفات و هیالورونیک اسید را با مکانیسم حذف ? می شکند. در مطالعات قبلی، کلونینگ و بیان آ...

2004
Pavel Avgustinov Aske Simon Christensen Laurie Hendren Sascha Kuzins Jennifer Lhoták Onďrej Lhoták Oege de Moor Damien Sereni Ganesh Sittampalam Julian Tibble

Aspect-oriented programming and the development of aspect-oriented languages are rapidly gaining momentum, and the advent of this new kind of programming language provides interesting challenges for compiler developers, both in the frontend semantic analysis and in the backend code generation. This paper is about the design and implementation of the abc compiler for the aspect-oriented language...

Journal: :Cell 1995
Christopher F Higgins

The ABC Transporter/Channel Superfamily The ATP-binding cassette (ABC) superfamily is probably the largest and most diverse family of proteins that mediate the selective movement of solutes across biological membranes. Many ABC proteins are of considerable clinical significance: human P-glycoprotein (P-gp) confers resistance of cancers to chemotherapeutic drugs, Pghl has a role in chloroquine r...

Journal: :Molecular cancer therapeutics 2016
Rajendar K Mittapalli Alexander H Chung Karen E Parrish Donna Crabtree Kyle G Halvorson Guo Hu William F Elmquist Oren J Becher

Dasatinib is a multikinase inhibitor in clinical trials for glioma, and thus far has failed to demonstrate significant efficacy. We investigated whether the ABC efflux transporters ABCG2 and ABCB1 expressed in the blood-brain barrier (BBB), are limiting the efficacy of dasatinib in the treatment of glioma using genetic and pharmacologic approaches. We utilized a genetic brainstem glioma mouse m...

Journal: :The Journal of Experimental Medicine 1976
P M Lydyard C E Grossi M D Cooper

The initial development and distribution of lymphocytes expressing surface IgM (sIgM) and of specific antigen-binding cells (ABC) were studied in the chicken in an attempt to gain information on the process by which B-cell diversity is generated. The antigens used were sheep erythrocytes (SE), keyhole limpet hemocyanin (KLH), and poly-L(Tyr, Glu)poly-D,L-Ala-poly-L-Lys (TGAL). The results indic...

Journal: :Appl. Soft Comput. 2011
Dervis Karaboga Bahriye Akay

Artificial Bee Colony (ABC) algorithm was firstly proposed for unconstrained optimization problems on where that ABC algorithm showed superior performance. This paper describes a modified ABC algorithm for constrained optimization problems and compares the performance of the modified ABC algorithm against those of state-of-the-art algorithms for a set of constrained test problems. For constrain...

2012
Christopher Kay Katharine D. Woodward Karen Lawler Tim J. Self Sabrina D. Dyall Ian D. Kerr

The ATP binding cassette (ABC) proteins are a family of membrane transporters and regulatory proteins responsible for diverse and critical cellular process in all organisms. To date, there has been no attempt to investigate this class of proteins in the infectious parasite Trichomonas vaginalis. We have utilized a combination of bioinformatics, gene sequence analysis, gene expression and confoc...

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