Báo cáo khoa học: "Mechanism of UV light-induced photorelaxation in isolated rat aorta" pdf

... on the UV light-induced photorelaxation of ra t aortas. Fig. 4. Inhibitory effect of methylene blue (MB, 10 uM) on UV light-induced photorelaxation of rat aorta. Fig. 5. Tracing of the inhibitory ... the characteristic of UV light-induced photorelaxation, the administration of NOS inhibitor, L-NAME, its derivative, D-NAME, and NO donor, L-arginine, significan...

Ngày tải lên: 07/08/2014, 14:23

... processing of one or several nuclear proteins, whereas the other is independent of the processing capacity of the protein- ase and involves the HPX domain. A DNA-binding domain was found in the ... integrin-binding ligand N-linked glycoprotein (SIBLING) Individual members of the SIBLING family are known to bind strongly to both pro- and active forms of specific MMPs. Bone sialoprot...

Ngày tải lên: 15/03/2014, 00:20

... DHNA inhibitors. The binding of the inhibitors to the enzymes cause a decrease in their fluorescence intensities. The increasing fluorescence intensities in Fig. 5A were obtained by subtracting ... set of control data was obtained in the absence of the protein. The data set obtained in the absence of the protein was then subtracted from the corresponding data set obtained in t...

Ngày tải lên: 19/02/2014, 00:20

... 2003 of melatonin, as illustrated in Fig. 3. Figure 3A shows time series of the total enzyme concentration in the presence of different concentrations of melatonin, while Fig. 3B shows a plot of ... [34]. Increasing the concentration of 4-hydroxybenzoic acid also resulted in a decrease in the rate of enzyme inactivation. However, when the reaction is in a stationary st...

Ngày tải lên: 20/02/2014, 11:20

... concentra- tion of one substrate at various fixed concentrations of the other sub- strate. (A) Reciprocals of initial rates of reduction of DHA are plotted against the reciprocals of concentrations of DHA ... replotted against the reciprocals of the con- centrations of GSH. (B) Reciprocals of initial rates of reduction of DHA were plotted against the reciprocals of co...

Ngày tải lên: 08/03/2014, 08:20

... gas, at a flow rate of 1.0 mLÆmin )1 . The oven temperature was initially kept at 50 °C for 4 min, then increased to 250 °C at a rate of 8 °CÆmin )1 , and finally kept at 250 °C for 10 min. The ion source ... Guangling Jiao 1 , Sumei Ren 1 and Wengang Chai 1,2 1 Glycoscience and Glycoengineering Laboratory, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China 2 Gly...

Ngày tải lên: 23/03/2014, 04:21

... owing to 18 O a-isotope effect in hertz. f Ratio is the 18 O-retention ratio of 13 C 18 O-amide oxygen in 13 C 18 O-vitamin B 12 (5). These ratios were calculated from a comparison of the intensities ... migra- tion of ring D followed by cleavage of the carbon–oxy- gen bond of the c -lactone at C1 of 13 C, 18 O-precorrin- 3x [8–10] as shown in the lower row of Fig. 1. We w...

Ngày tải lên: 23/03/2014, 09:20

... effect of HSF4 on chromatin. In the absence of HSF4, histone H3K9 methylation is induced and HSF1 binding is reduced, indicating that HSF4 facilitates HSF1 binding via chromatin remodelling. Heat ... section and scheme of the coronal section at E14.5 in (F). (A) At E11.5, HSF2 is expressed in forebrain, midbrain and in hindbrain except for the midbrain, hindbrain midline. Surpri...

Ngày tải lên: 18/02/2014, 04:20

... solution was increased linearly by approximately 1.0 °CÆmin )1 . Thermal denaturation of these proteins was reversible in the presence of 1 m GdnHCl. The temperature of the midpoint of the transition, ... because of the intrinsic flexibility of the loop containing His124 and the crystal packing effect. Destabilization mechanism of So-RNase HI A combination of the six thermost...

Ngày tải lên: 18/02/2014, 13:20

... fosfomycin binding due to charge–charge repulsions. Most interestingly, the uncharged valine side chain completely abolishes fosfomycin binding in the absence of UDPNAG. Clearly, UDPNAG binding creates additional ... Lysine 22 and arginine 120 in MurA (Eur. J. Biochem. 271) 2685 the positively charged side chain of K22 participates in fosfomycin binding, thus providing a rationale f...

Ngày tải lên: 19/02/2014, 13:20