Báo cáo khoa học: "Clinical and pathological assessment of different suture techniques for microvascular anastomosis in rat femoral artery" ppsx

Ngày tải lên: 07/08/2014, 23:22

... consumption of food reserves and build-up of shoot and root dry matter. To investigate the development of winter- hardiness, acorns were sown in a forest and a nursery seedbed. ... germination decreased with increasing duration of storage. Ageing processes are prob- ably impairing the availability of food reserves. After 12 months, a mar...

Ngày tải lên: 08/08/2014, 19:21

... library using a combination of PCR amplification, mass sequencing and library screening as described in the Materials and methods. The first clone was 1689 bp and contained an ORF of 1434 bp coding for ... R.R.L. (1975) Culture of phytoplankton for feeding marine invertebrates. In Culture of Marine Invertebrate Animals (Chanley, M.H., ed.), pp. 29–60. NY. Plenum Press. 24....

Ngày tải lên: 31/03/2014, 09:20

... degree in vari- ous types of dementia, but the exact cause for this remains elusive [4–8]. The aim of the current study was to search for clinical and neuroimaging correlates of abnormal SEPs in ... Kjartansson O, de Leeuw FE, Prins ND, Schmidt R, Visser MC, Weinstein HC and Barkhof F: Operational defini- tions for the NINDS-AIREN criteria for vascular dementia: an inter...

Ngày tải lên: 08/08/2014, 20:23

... reflect the likelihood of sampling each student and to reduce bias by compensating for differing patterns of non-response. The weight used for estimation is given by the following for- mula: W = W1 ... self-reported history of having engaging in a physical fight and a selected list of independent variables using logistic regression analysis. Results: Of the 6283 responde...

Ngày tải lên: 08/08/2014, 23:20

... studies of the structure and binding sites of enzymes. 8. Inhibitor binding to ribonucleases. J Mol Biol 45, 491–511. 33 Ui N (1971) Isoelectric points and conformation of proteins. I. Effect of urea ... analogs containing sulfonate and sulfonamide internucleoside linkages. Patent 5561225, 1–12. 30 Fisher BM, Ha J-H & Raines RT (1998) Coulombic forces in protein–RNA intera...

Ngày tải lên: 14/02/2014, 22:20

... The transfer of phosphate can lead to phosphorylation of inosine, guanosine and a number of their analogues [2]. There- fore, in addition to being involved in regulation of purine intracellular ... ± SD of at least three independent assays. k cat refers to nucleotidase activity and is measured at saturating concentrations of IMP and sub-saturating concentrations of ino...

Ngày tải lên: 15/02/2014, 01:20

... and hypoxanthine. (B) HPRT and hypoxanthine. (C) PRTFDC1 and guanine. (D) HPRT and guanine. Table 2. K m and V max values for Hx and G in the presence of 1 mM PRPP, determined using the DE-81 ... activity of PRTFDC1 towards hypoxanthine and guanine is only 0.26% and 0.09%, respectively, of the activity of HPRT, the role of the PRTFDC1 in purine metabolism remai...

Ngày tải lên: 15/02/2014, 01:20

... simulation of substrate on the active site of HYD Js The substrate binding pockets of HYD Js and the mode of interaction between substrate and enzyme were analyzed by substrate docking in the active ... obtain more information on substrate binding in HYD Js . The orien- tation of the substrates was not resolved experimentally as no competitive inhibitor is known for hydant...

Ngày tải lên: 18/02/2014, 08:20

... electron for oxygen activation in place of the flavoprotein, and then redox cycles within NOS; and (d) heme–NO binding is an intrinsic feature of cataly- sis that constrains the rate of heme reduction ... their CT and autoinhibitory insert elements, or elsewhere in the enzyme. Changing the set point for K eq A may in uence electron flux through the NOS flavoprotein in inte...

Ngày tải lên: 18/02/2014, 11:20