Báo cáo khoa học: "Silviculture of high-quality oaks: questions and future research needs" docx

... article Silviculture of high-quality oaks: questions and future research needs GT Weaver H Spiecker 1 Department of Forestry, Wildlife and Fisheries, The University of Tennessee, ... of stands, seed sources and, in the United States, to repeated high-grading of stands. Assessment of genetic status of stands and techniques for genetic i...

Ngày tải lên: 08/08/2014, 23:22

... mL) contained 10 lL of appropriately diluted enzyme sample and 980 lL of Mes buffer (50 mm, pH 5.7), and 10 lLof 0.8 mgÆmL )1 SGZ in MeOH was added to initiate the reac- tion. One unit (U) of laccase ... induced swapping of amino acids for 94 positions (19% of the residues) in the original LAC3 sequence. The C- and N-termini of the hybrids were 33–37% and 9–26% different,...

Ngày tải lên: 18/02/2014, 06:20

... the binding of substrates and other inhibitors and to iden- tify the mechanism by which it regulates the activity of cathepsin B. Results Preparation and characterization of 2A2 mAb and its Fab ... Jevnikar 1 , Gregor Anderluh 3 and Janko Kos 1,2 1 Faculty of Pharmacy, University of Ljubljana, Slovenia 2 Department of Biotechnology, Jozef Stefan Institute, Ljubljana, Slo...

Ngày tải lên: 18/02/2014, 11:20

... native PAGE. Isolation and purification of the scrambled disulfide isomers of HPI In the presence of denaturant and thiol catalyst as indicated above, HPI was converted into the mixture of native and scrambled ... concentration of denaturant. Fig. 3. Unfolding of HPI in the presence of denaturant and thiol cata- lyst. Controls for the disulfide scrambling method include the...

Ngày tải lên: 19/02/2014, 12:20

... genes ADH1, ADH3 and ADH4. Similar mRNA length and high nucleotide and amino acid sequence identity of all ADHs lead to a large risk for cross-reactivity of probes at the mRNA and protein level, making ... cells and Purkinje cells, in the hippocampal formation and different regions of the cerebral cortex. ADH4 mRNA expression was found in Purkinje cells and white matter o...

Ngày tải lên: 21/02/2014, 00:20

... prominent up-regulation of the expression and enzymatic activity of both AGAT and GAMT. The specific activity of AGAT in sarcoma tissue reached almost 50% of that observed in the kidney and it was also ... promote ornithine and SAH production, which in turn could be used for the formation of polyamines and methionine. An investigation of the level of different intermedi...

Ngày tải lên: 07/03/2014, 04:20

... containing bands c, d and g at 45, 37 and 27 kDa, respectively, corresponds to shorter N-terminal CGA-derived fragments. The third group is composed of weakly labeled bands (e, f, h, i, j and k labels) ... Isolation and identification of intact chromogranin A and two N-terminal processing products, vasostatin I and II, from bovine adrenal medulla chromaffin granules by chromatog...

Ngày tải lên: 07/03/2014, 12:20

... subcellular distribution of PLD and the conse- quences of priming and activation were determined using immunoprecipitation and Western blot analysis of neutro- phil cytosol and membrane fractions using ... the activation of the neutrophil respiratory burst. However, the repertoire of PLD isoforms present in these primary cells, the precise mechanism of activation, and th...

Ngày tải lên: 07/03/2014, 15:20

... namely C3 of Rha II ,C2ofRha III and Rha IV , and C2 and C3 of Rha I to d 78.5–79.1 (by 6–8 p.p.m.), and the similarity of the C2-C6 chemical shifts of the GlcNAc residue to those of nonsubstituted ... which consists of four residues of L -Rha and one residue of D -GlcNAc. A relatively large J 1,2 coupling constant value of 8 Hz for the H1 signal of the GlcNAc re...

Ngày tải lên: 08/03/2014, 08:20

... of Pharaohs: therapeutic potential of black cumin seeds and beyond. Cancer Ther 6, 495–510. 4 Shoieb AM, Elgayyar M, Dudrick PS, Bell JL & Tithof PK (2003) In vitro inhibition of growth and ... effect of TQ on cell viability after 24, 48 and 72 h of exposure. Cell via- bility was determined by the MTT assay, and is reported as the percentage of viable cells. Each value...

Ngày tải lên: 15/03/2014, 11:20