kinematics of a particle force and acceleration

... SDS/PAGE analysis. After 24 h, the fraction of molecules behaving as a substrate for uPA decreased approximately twofold for PAI-1(V12 6A) , PAI-1(F10 0A) , PAI-1(F12 8A) and PAI-1(W14 1A) with a concomitant increase ... significantly faster latency transition rate and another component with a significantly slower latency transition rate. The activity of the three variants PAI-1 (N13 9A) , PAI-1(W14 1A) and PAI-1(T14 6A) ... half-life of PAI-1 was finally calculated from an exponential decay plot of the data obtained. Generally, only one preparation of each PAI-1 variant was investigated, but the following were investigated...

Ngày tải lên: 20/02/2014, 11:20

... abandonne, always wide-awake, and watching for saliences, I had gone abroad like a falcon, and roamed at home like a hungry jackal. Six fingers on my hand, one long and pointed, and ever dropping gall; ... Mexican war. He was an ardent Republican in politics, and had been Speaker of a branch of the State Legislature. He was an attorney in a small county town when the war commenced, and his name had ... most voracious of men, I gave up the choice of three sage professions, and the sweet alternative of idling husbandry. The day I graduated saw me an attaché of the Philadelphia Chameleon. I was to...

Ngày tải lên: 07/03/2014, 01:20

... problematized in the era of the global popular film market, is also a magic word. At once a place in Los Angeles, an industrial marker and a mythical land, it is emblematic of contemporary cinema’s ... nominated films), while papering the “MediaSpace” of advocacy marketing (the hallowed hall of the Academy Awards telecast venue itself) with a naturalization of cinema as performance a move ... as paradigmatic television about cinema. The appeal of the montages as marketing tools for global cinema has less to do with an internal persuasiveness than with a nostalgic reassurance that...

Ngày tải lên: 07/03/2014, 15:20

... a- amylases. Materials and methods Materials Barley a- amylases, AMY1 and AMY2, were purified from green and kilned malt, respectively, according to Svensson et al. [33] and Ajandouz et al.[9].PurifiedAMY 1and AMY2 ... AMY1 and AMY2 were thousand-fold more active toward amylose than toward maltodextrin and a million-fold more active than toward maltoheptaose. AMY2 was slightly more active than AMY1. AMY1 and AMY2 ... hydrolase of family 13 acting on a- 1,4 internal glycoside linkages in starch and related sugars [1]. a- Amylases occur widely in higher plants, animals, bacteria and fungi and are applied in several important...

Ngày tải lên: 08/03/2014, 08:20

... metallo-endoprotease of Serratia marcescens (serralysin), are the alkaline protei- nase of Pseudomonas aeruginosa, the ZapA metallo- protease of Proteus mirabilis and proetases A, B, C, G and ... development of such a substrate based on analysis of PrtA cleavage site specificity, and kinetic characterization of PrtA activity on the new substrate. Results and Discussion Identification of PrtA cleavage ... hydrolysis reactions as an internal standard, because it was not hydrolysed by PrtA. Peak areas were normalized with the internal standard, and the degree of cleavage was calculated from the...

Ngày tải lên: 23/03/2014, 09:20

... molecular mode- ling and molecular dynamics simulations, in combina- tion with biochemical and ultrastructural analysis, that a- syn can arrange into homodimers that can adopt nonpropagating and ... structure of a- syn showed that a- syn homodimers can adopt nonpropagating (head-to-tail) and propagating (head-to-head) conformations. Propagating a- syn dimers on the membrane incorporate additional a- syn ... Abnormal accumulation of NACP ⁄ a- synuclein in neurodegenerative disorders. Am J Pathol 152, 367–372. 5 Wakabayashi K, Matsumoto K, Takayama K, Yoshi- moto M & Takahashi H (1997) NACP, a presynaptic protein,...

Ngày tải lên: 23/03/2014, 09:21

... 44284–44296. 56 Hasegawa T, Matsuzaki M, Takeda A, Kikuchi A, Akita H, Perry G, Smith MA & Itoyama Y (2004) Accelerated alpha-synuclein aggregation after differen- tiation of SH-SY5Y neuroblastoma cells. ... formation of reactive oxygen species but also increased aggregation of a- synuclein. Further data support the hypothesis that degradation of a- synuclein occurs by autophagy and proteasomes and that ... major aspects of a- synuclein aggrega- tion and cytotoxicity, and offer great potential for defining the underlying mechanisms of toxicity and synergistic actions of a- synuclein and protein tau. Abbreviations AD,...

Ngày tải lên: 23/03/2014, 13:20

... molecular weight of the ternary complex of XAIP, GH11 xylanase and GH13 a- amy- lase. These observations indicate that XAIP associates with GH11 xylanase and GH13 a- amylase, as well as with both xylanase ... multiflorus Sanjit Kumar, Nagendra Singh, Mau Sinha, Divya Dube, S. Baskar Singh, Asha Bhushan, Punit Kaur, Alagiri Srinivasan, Sujata Sharma and Tej P. Singh Department of Biophysics, All India Institute of Medical ... xylanase and XAIP and GH13 a- amylase were analysed. The prominent peaks corresponding to complexes of XAIP with GH11 xylanase and GH13 a- amylase were observed in each case. Two lower molecular...

Ngày tải lên: 29/03/2014, 09:20

... from the standpoint of conventional scalar field quantization in a Minkowski space, the appearance of such scalar field configurations may be inter- preted not as the production of particles of the ... exponentially expanding Friedmann universe. As we have already noted in Section 1.4, the latter is a de Sitter space, with only a small part of that space, of radius H −1 , being accessible to a stationary ... Elementary Particles and the Inflationary Universe Scenario 1.1 The scalar field and spontaneous symmetry breaking Scalar fields ϕ play a fundamental role in unified theories of the weak, strong, and elec- tromagnetic...

Ngày tải lên: 24/04/2014, 17:07

... to broadband-based, and often Internet-based, distribution as a function of the rate at which Internet standards and U.S. telecommunica- tions infrastructure are improved to offer broadband services ... services and real- time quality of service (QOS) guarantees. There are already a large number of Internet radio stations, websites that contain audio and video, and mil- lions of users of low-quality, ... lobbying, and academic experts; they also treat their core services as cash cows and perform com- paratively little R&D of value. —The U.S. broadband problem has already caused, and is continuing...

Ngày tải lên: 03/06/2014, 00:55

... that in the case of neonatal and maternity incidents, the fact that these patients are already accommodated at a health facility has led many dispatchers to defer their dispatch in favour of a ... the establishment and validation of a morbidity and/ or mortality score based on the dispatch criteria of this Flying Squad programme. Conclusion The merits of a specialised retrieval team have been ... 4:28 http://www.intjem.com/content/4/1/28 Page 3 of 6 ORIGINAL RESEARCH Open Access A retrospective evaluation of the impact of a dedicated obstetric and neonatal transport service on transport times within an urban setting Shaheem...

Ngày tải lên: 21/06/2014, 03:20

... projection and the geometry feature of iris and pupil. Authors of [6, 7] use the fact that the iris and pupil are darker than skin and white part of the eye. Authors of [11] proposed an algorithm based ... world and every day, driver’s fatigue and drowsiness have caused many car accidents. In fact, drowsiness is the case of about 20% of all car accidents in the world [1, 2]. As a result, an electronic ... of IMAGE_RAM is read then the inputs of the adder are connected to IMAGE_RAM and ‘0’. When the other rows of IMAGE_RAM are read then the inputs of the adder are connected to IMAGE_RAM and port...

Ngày tải lên: 21/06/2014, 19:20

... gap has moved into an upper corner cell. If all entries of T are different this process is well defined and actually yields a Young tableau. The evacuation tableau evac(T) of a standard Young tableau ... Macdonald as a second special case. The main purpose of this paper is to give a planarized construction and proof for the bijection of Edelman and Greene between reduced words and certain pairs of ... pseudolines. Similarly a partial arrangement is an isomorphism class of simple marked partial arrangements of pseudolines. Goodman and Pollack [8] described a one-to-many correspondence from arrangements to...

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