Báo cáo khoa học: "Incidental thyroid lesions detected by FDG-PET/CT: prevalence and risk of thyroid cancer" ppsx

... quality of the RNA samples was determined by electrophoresis with a 1.5% denatur- ing agarose gels and staining with ethidium bromide and the 18 S and 28 S RNA bands were visualized under UV light and ... development and growth of tumors in hormone dependent tissues especially breast. The action of s teroids is mediated by steroid hormone receptors, which are members of...

Ngày tải lên: 09/08/2014, 03:21

... simply-inherited and mapped traits are useful for various purposes, such as the analysis of natural varia- bility and of mating systems, the control of man-made crosses and of products of ... pattern of the bb zy- mogram (nr3 on figure 1) of the got1 locus suggests that a monomorphic band is merging into the a-band. This band may be...

Ngày tải lên: 09/08/2014, 03:24

... Cd(II), by monitoring the peptide structure and the flexibility of Zn(II) and Cd(II) by NMR spectroscopy. Another interesting (and to my knowledge not yet reported) experiment would be assessment of ... is a soft ligand and therefore shows a preference for soft metals. More- over the structures of metallothioneins are not rigid and hence there is little selectivity concernin...

Ngày tải lên: 16/02/2014, 15:20

... (Asn) and serine (Ser) [4,12]. In the active center of silicatein, the hydroxyl group of Ser26 and the imidazole of His165 (catalytic diad) have been shown to play key roles in the condensation of ... displacement of p-aminophenol and formation of a (alkoxyl)-monosilane. This reac- tion is facilitated by hydrogen bonding between the imidazole nitro- gen of the conserved...

Ngày tải lên: 18/02/2014, 16:20

... rounds of positional refinement, fitting, and introduction of water molecules and SO 4 2) , followed by manual fitting of the model by quanta (Accelrys Inc.), led to an R-factor of 19.78% and R free of ... understanding of the generic principle of catalysis for this family of proteases. Results and Discussion Fold of ervatamin-A The overall structure and fold of...

Ngày tải lên: 18/02/2014, 16:20

... details about the role of different resi- dues of the aglycone-binding site in the stabilization of ES à and the interdependence between the binding of aglycone and the positioning of glycone in subsite ... binding of the second glucose unit of oligosaccharidic aglycones and also of the initial portion of alkyl-type aglycones. None of the residues investigated intera...

Ngày tải lên: 18/02/2014, 17:20

... selection of natural questions. The articles varied in topic, degree of formality and the amount of details; from ”Horror film” and ”Christ- mas worldwide” to ”G-Man (Half-Life)” and ”His- tory of London”. ... were grouped into groups of 5. Each HIT consisted of 5 assignments, and a $0.05 reward was offered for each HIT. QRepHIT required the least amount of design and t...

Ngày tải lên: 20/02/2014, 09:20

... ratio of 1. Asterisks and broken line: data and fitting with PHI/PHO ratio of 2. Fig. 5. Effect of PHI on the flavin fluorescence of the complex PHR– PHO. Dotted line: fluorescence emission spectrum of ... acceptors such as cyto- chrome c and Nitro Blue Tetrazolium. The molecular mass of PHI was determined to be 10 kDa by SDS/ PAGE, 8.8 kDa by MALDI-TOF spectrometry and 18...

Ngày tải lên: 21/02/2014, 00:20

... constituent of the Tic motor complex (see below). The present minireview provides a short description of recent advances in the understanding of the chan- nel-, motor- and regulatory components of the ... the import of preproteins. A prominent and difficult task for future studies will therefore be to determine how organelle metabolism and physiology influences protein import b...

Ngày tải lên: 07/03/2014, 03:20

... site of the N-terminal lobe of human and bovine lactotransferrins. Importance of the glycan moiety and of the non-covalent interactions between the N- and C-terminal lobes in the stability of the ... this binding. Some of these Fig. 10. Prediction of nucleolin-binding sites in human lactoferrin (hLf). Sequences of the N2 and C2 domains of hLf, bovine lactoferrin (bLf...

Ngày tải lên: 07/03/2014, 15:20