speed of light in vacuum depends upon

Ngày tải lên: 18/06/2014, 19:20

Ngày tải lên: 22/06/2014, 00:20

Ngày tải lên: 20/07/2014, 20:30

Ngày tải lên: 05/09/2013, 08:40

... functionalized invaginations of the intracyto- plasmic membrane containing the photosynthetic machinery. The most abundant protein complexes in the intracytoplasmic membrane are light- harvesting (LH) ... energy- transducing network. Protein packing may play a determining role in the formation of functional photosynthetic domains and membrane curvature. To further investigate in detail the packing effects of ... zoomed -in image of the areas indicated by the dashed line in Fig. 1A (area 1). Inset: 3D enhanced close view showing weakly protruding LH2’s (black arrows) in between the strongly protruding zig-zag...

Ngày tải lên: 18/02/2014, 18:20

... targeting (PEST, 1–20) sequences were encoded in frame at the C-terminus of scFv. The location of the cysteine mutations into alanine (A) in the variable regions of 2C2A, a site-directed mutant of ... key enzyme in the biosynthesis of polyamines, whose interaction with antizyme, an ODC inhibitory protein, confers to the enzyme a half-life of about 1 h. The C-terminal end of ODC contains a PEST ... improving specific imaging and effective targeting of intracellular antigens by means of intrabodies. Results Expression of destabilized scFvs in COS-1 cells The functional characteristics of the...

Ngày tải lên: 19/02/2014, 18:20

... was developed in the hind leg of mice by inject- ing 3MC, a chemical carcinogen, or by injecting into the hind leg existing sarcoma 180 cells, which had been previously maintained in the peritoneal ... concerning the levels of creatine and CK in malignant cells and in tumor-bearing animals. In some recent publications, the ratio of choline to crea- tine has been measured in several types of brain tumors ... protein applied. MCK sMitC K β-actin NM ST Fig. 5. Expression of mRNA of MCK and sMitCK isoforms of crea- tine kinase and b-actin in normal muscle (NM) and 3MC induced sarcoma tissue (ST) of mouse. 1.0 0.8 0.6 0.4 0.2 Relative...

Ngày tải lên: 07/03/2014, 06:20

... couplings from protons whose nuclear spins are interacting only very weakly with the unpaired electron spin, e.g. protons from the protein backbone within the cofactor binding pocket, protons of ... time scale fol- lowing pulsed light excitation, is the method of choice. EPR and ENDOR investigations of flavoproteins In studies of paramagnetic flavin species, the applica- tion of EPR has traditionally ... the basis of pre- viously published CPD photolyase coordinates, and the important finding that the repair rate of (6-4) photolyases strongly depends on the pH. In the initial light- independent...

Ngày tải lên: 16/03/2014, 02:20

... various speeds was conducted, in the presence or absence of detergent. Examination of a wild-type PNS revealed increasing amounts of peroxi- somal marker proteins in the pellet fractions upon increasing ... will be interesting to see whether the absence of both dynamin-like proteins prevents the fission of Woronin bodies in filamentous fungi. It is worth noting that in the vps1Ddnm1D strain, HEX1 ... components of the peroxisomal fission machinery by examining the fate of HEX1 in a vps1Ddnm1D double-deletion strain. The results are dis- cussed in terms of a mechanism for the formation of Woronin bodies...

Ngày tải lên: 23/03/2014, 07:20

... stabilization by UV light (Eur. J. Biochem. 269) 5831 UV light but not activation of p38 MAP kinase increases cytoplasmic HuR-binding activity Analysis of protein–RNA binding showed that several complexes ... by modulating the degradation rate of mRNAs. In the present study we investigated the effect of UV light on the stability of mRNAs expressed using the tet-off system which allows the termination of only ... obtained when this pathway is inhibited. The p38 MAP kinase inhibitor SB 203580 failed to inhibit UV- induced stabilization of endogenous histone mRNA (Fig. 5). Stabilization of ARE-containing...

Ngày tải lên: 31/03/2014, 08:20

Ngày tải lên: 05/06/2014, 11:28

Ngày tải lên: 18/06/2014, 18:20

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 20/06/2014, 01:20

Ngày tải lên: 21/06/2014, 11:20

... 84:1870–1879. 05 - Use of DDGS in Swine Diets 1 Use of U.S. DDGS in Swine Diets Historical Use of DDGS in Swine Diets Historically, limited amounts (less than 3% of total production) of distiller’s ... excretion in swine manure to be reduced. Effect of Feeding DDGS on Gut Health of Growing Pigs Whitney et al. (2006a, b) conducted two experiments to determine if including DDGS in the diet of ... in the diet of young growing pigs reduces the incidence or severity of clinical signs, fecal shedding, intestinal lesions and/or cellular infection indicating porcine proliferative enteropathy...

Ngày tải lên: 08/08/2012, 10:03

... blue with a bit of purple in it and paint in the areas of the buildings that are in shadow. Leave a few strokes of white paper where anything catches the light. A few fine lines of shadow can ... vanishing point lying in the centre of the horizon. This creates an illusion, on the flat surface of a picture, of objects shrinking uniformly in scale as they recede in space and helps to convince ... yellow and pink to pick up the highlights. I put a touch of light blue on the back of the hand where the light was reflected. 6 In drawing the final head, I simply scribbled light pink and yellow...

Ngày tải lên: 13/09/2012, 14:19