نتایج جستجو برای: a2

تعداد نتایج: 25690  

Journal: :The Journal of antibiotics 1982
C M Vos D Schipper J D Herscheid G Westera

Demethylation of Co-bleomycin A2 by heating yields three different complexes: form I and form II and "orange" Co-bleomycin-demethyl A2. These complexes can be separated by HPLC and show different 1H NMR spectra. Preparation of Co-bleomycin-demethyl A2 by chelation of bleomycin-demethyl A2 with cobalt yields a Co-bleomycin-demethyl A2, which is auto-oxidized into Co-bleomycin A1.

Journal: :Diagnostic microbiology and infectious disease 2009
Claudia R Molins Jennifer K Carlson Jana Coombs Jeannine M Petersen

Francisella tularensis subsp. tularensis (type A) is subdivided into clades A1 and A2. Human tularemia infections caused by A1 and A2 differ with respect to clinical outcome; A1 infections are associated with a higher case fatality rate. In this study, we develop and evaluate TaqMan polymerase chain reaction (PCR) assays for identification of A1 and A2. Both assays were shown to be specific to ...

Journal: :Journal of Mathematical Sciences 2021

We obtain a description of quasi-endomorphism rings torsion-free Abelian groups G rank 4, quasi-decomposable into direct sum A1 and A2 1 strongly indecomposable group B 2 in the case where quasi-homomorphism ℚ ⨂ Hom(A2,B) has 2.

Journal: :Journal of thrombosis and haemostasis : JTH 2009
C Baldauf R Schneppenheim W Stacklies T Obser A Pieconka S Schneppenheim U Budde J Zhou F Gräter

BACKGROUND To avoid pathological platelet aggregation by von Willebrand factor (VWF), VWF multimers are regulated in size and reactivity for adhesion by ADAMTS13-mediated proteolysis in a shear flow dependent manner. OBJECTIVE AND METHODS We examined whether tensile stress in VWF under shear flow activates the VWF A2 domain for cleavage by ADAMTS13 using molecular dynamics simulations. We gen...

Journal: :Cancer research 1986
P Mehta D Lawson M B Ward L Lee-Ambrose A Kimura

There is evidence that tumors may stimulate platelet aggregation, causing release of thromboxane A2. Thromboxane A2 may potentiate tumor metastasis by stimulating tumor cell growth and proliferation and by enhancing platelet-tumor cell aggregate formation. Despite potential significance of thromboxane A2 in tumor metastasis, agents which inhibit thromboxane A2 synthesis have not been uniformly ...

Journal: :Journal of Korean Medical Science 1993
T. G. Kim H. Han B. U. Lim W. Kim S. M. Kim

The antigen (phenotype), gene (allele) and haplotype frequencies of HLA class I were analysed in 4,622 Koreans. With allele frequencies of over 0.05, the most frequent HLA-A,-B and -C antigens were A2, A24, A33, A11, A26, A31; B62, B51, B44, B54, B61, B35, B58, B60; Cw3, Cw1, Cw4, Cw7. Of these A2, A24, Cw1 and Cw3 were present in very high frequencies, respectively (0.3211, 0.2200, 0.2204, and...

In this article, we characterize the involutiveness of the linear combination of the forma1A1 +a2A2 when a1, a2 are nonzero complex numbers, A1 is a quadratic or tripotent matrix,and A2 is arbitrary, under certain properties imposed on A1 and A2.

Journal: :LMS Journal of Computation and Mathematics 2012

Journal: :Journal of Geometry and Physics 2017

Journal: :bulletin of the iranian mathematical society 0
x. liu college of science‎, ‎guangxi‎ ‎university for nationalities‎, ‎nanning 530006‎, ‎p. r‎. ‎china. j. benitez departamento de matematica aplicada‎, ‎instituto de matematica multidisciplinar‎, ‎universidad politecnica de valencia‎, ‎valencia 46022‎, ‎spain. m. zhang college of science‎, ‎guangxi‎ ‎ university for nationalities‎, ‎nanning 530006‎, ‎p. r‎. ‎china.

in this article, we characterize the involutiveness of the linear combination of the forma1a1 +a2a2 when a1, a2 are nonzero complex numbers, a1 is a quadratic or tripotent matrix,and a2 is arbitrary, under certain properties imposed on a1 and a2.

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