synthesis, characterization and growing mechanism of monodisperse fe3o4 microspheres

... Synthesis, characterization and growing mechanism of monodisperse Fe 3 O 4 microspheres Yingdi Lv a , Hui Wang a, Ã , Xiaofang Wang a , Jinbo Bai b a Key Laboratory of Synthetic and Natural ... condition of the microspheres shown in Fig. 1c. The surface of microspheres was made of a number of small subunits, each of which is like a tetrahedron crystal in shap...

Ngày tải lên: 20/03/2014, 13:08

... diffusion of Si/SiO x vapors into the metal particles, (ii) formation of liquid droplet of metal and Si/SiO x and (iii) the precipitation in the form of solid nanowires after super-saturation of liquid ... two decades, a lot of attention has been paid to the growth and characterization of one-dimensional (1-D) nanos- tructures such as nanotubes, nanowires, nanobelts beca...

Ngày tải lên: 16/03/2014, 15:18

... orthologs of SalA (BAS0147 and BAS3357, show- ing similarities of 85% and 65%, respectively), MinD (BAS4346, showing a similarity of 90%) and SojA (BAS5333 and BAB82448, showing similarities of 92% and ... (Trp14 and Trp148), whereas McsA has none. Fig. S5. Binding of ATP to McsA using the ITC method. Table S1. List of primers used for cloning of McsB and McsA, an...

Ngày tải lên: 23/03/2014, 06:20

... and mechanism, often demands use of nonhy- drolyzable or slowly hydrolyzable nucleotide analogues. These modifications become necessary when stabilization of a specific isoform of the protein is ... analysis of a series of NMR spectra. We adjusted the saturation of GTPcNH 2 with Mg 2+ to 45% and varied the temperature from 5 °Cto 65 °C in 13 steps of 5°. Five representative 3...

Ngày tải lên: 18/03/2014, 01:20

... expressed, and purified in Escherichia coli system. The enzymatic characterization of HpSDH demonstrates its activity with k cat of 7.7 s )1 and K m of 0.148 mm toward shikimate, k cat of 7.1 s )1 and ... catalytic proper- ties of HpSDH and the effects of pH and temperature on HpSDH. The results show that HpSDH has a k cat of 7.7 ± 0.9 s )1 , K m of 0.148 ± 0.028 mm...

Ngày tải lên: 19/02/2014, 05:20

... immunity is known to be important in the defense of pathogens, isolation and characterization of cytokines is of prime importance. Only a few cytokines and chemokines are known in fish, where they ... (forward: 5¢-ACTACCTCATGAAGATCCTG-3¢ and reverse: 5¢-TTGCTGACCACATCTGCTG-3¢) served as a control for the quantity and quality of cDNA. Semiquantitative analysis of RT–PCR prod...

Ngày tải lên: 20/02/2014, 02:21

... specific 5¢ -and 3¢ primers selected on the basis of the published sequences for tomato b-fructofuranosidase (GenBank accession no. D11350 and S70040). Primers for the short isoform of b-fructofuranosidase ... was calculated as percent of the total amount of histamine determined after lysis of the basophils by twofold freezing and thawing of the cells. A histamine release of...

Ngày tải lên: 21/02/2014, 00:20

... respectively [23,30], and the bands at 1172, 1085, and 1038 cm )1 assigned to glucose ring vibrations [31]. As no additional bands in the range of the amide vibrations centered at 1650 and 1550 cm )1 can ... water-binding capa- city of lecithin headgroups [30]. Finally, MfGl-II exhibits a main band at 1245 cm )1 and further weak bands at 1220 and 1260 cm )1 . Thus, the phosphate...

Ngày tải lên: 21/02/2014, 00:20

... consists of a large, rapid and transient response that is typical of Ca 2+ -dependent Cl – channels activated after stimulation of PLC and the subsequent InsP 3 -dependent mobilization of Ca 2+ from intracellular ... indicating that it is a member of the type 1 TRHR subfamily. The dissimilarity between xTRHR2 and the two other Xenopus TRHRs and its similarity to most of th...

Ngày tải lên: 21/02/2014, 03:20

... Molecular forms of Scpep1. (A) Analysis of molecular forms of Scpep1: 100 lg of cell lysates (C) and 50 lL of medium (M) of HT1080 and HT1080-Scpep1 were separated by SDS-PAGE, blotted and probed ... proteins in LSDs and a notable number of LSD-like diseases of unknown etiology, there is a com- mon interest in the identification of the proteome of the lysosomal comp...

Ngày tải lên: 07/03/2014, 03:20