ph value dependant growth of a - fe2o3 hierarchical nanostructures
ph value dependant growth of a - fe2o3 hierarchical nanostructures
... Journal of Crystal Growth 294 (2006) 353–357 pH value- dependant growth of a- Fe 2 O 3 hierarchical nanostructures Chong Jia, Yao Cheng, Feng Bao, Daqin Chen, Yuansheng Wang à State Key Laboratory of ... the formation of high-quality single crystalline ZnO nanorods through OA of quasi-spherical nanoparticles along c-axis. The (1 1 1) plane OA of cubic ZnS initial nan...
Ngày tải lên: 20/03/2014, 13:05
facile hydrothermal route to the controlled synthesis of a - fe2o3 1 - d nanostructures
... represent an important type of materials capable of use in a wide range of applications, such as catalysis (Rumyantseva et al 2006), sensors (Kotsikau et al 2004; Chen et al 2005; Wu C Z et al 2006), ... into a commercial stainless steel Tef- lon-lined autoclave of 50 mL capacity. The autoclave was maintained at a temperature of 180°C for 12 h without stirring and shaking...
Ngày tải lên: 19/03/2014, 16:48
simple and rapid synthesis of a-fe2o3 nanowires under ambient conditions
... Srivastava, H.; Tiwari, P.; Srivastava, A. K; Nandedkar, R. V. Growth and characterization of alpha-Fe 2 O 3 nanowires. J. Appl. Phys. 2007, 102, 054303. [14] Dong, W. T.; Zhu, C. S. Use of ... oxide nanoparticles. Appl. Catal. B Env. 2003, 43, 151 162. [16] Chueh, Y. -L.; Lai, M. -W.; Liang, J. -Q.; Chou, L. -J.; Wang Z. L. Systematic study of the growth of aligned arrays...
Ngày tải lên: 20/03/2014, 13:07
synthesis, electrical measurement, and field emission properties of a-fe2o3 nanowires
... resistant to oxidation, and have a high aspect ratio, a- Fe 2 O 3 NWs are a candidate emitters for FE applications. It has been reported that an electrical field of 7–8 V/lm is required to obtain a ... and side view (inset) of a sample. As can be seen, a single NW with a diameter of 15 nm and a length of 800 nm was embedded in the PR. Fig. 2 (a) TEM image of an a- Fe...
Ngày tải lên: 20/03/2014, 13:08
Báo cáo khoa học: The effect of ST2 gene product on anchorage-independent growth of a glioblastoma cell line, T98G doc
... oBC010, 5¢-CTCTTG GATCCACACTCCATTCTGCTTACACTTGC-3¢)or ST2L (oBC001 or oBC009, and oBC011, 5¢-TCAAA CTCGGATCCCTTTGCACATCACAGCAGGCA-3¢), 200 l M each of dNTPs, and 0.4 lL50· Advantage cDNA Polymerase ... manufacturer’s protocol. The same primer set as described above, hST 2- 528F and hST 2-6 49R, and TaqMan probe, hST2C-TM1 [5 -( Fam)-CGGTCAAGGATGAGCAAGGCTTTTCT- (Tamra )-3 ¢] was use...
Ngày tải lên: 31/03/2014, 07:20
Tài liệu Báo cáo khoa học: Electrostatic role of aromatic ring stacking in the pH-sensitive modulation of a chymotrypsin-type serine protease, Achromobacter protease I pdf
... Japan. E-mail: kshiraki@jaist.ac.jp Abbreviations:API,Achromobacter protease I; ASA, accessible surface area; Boc, t-butoxycarbonyl; MCA, 4-methylcoumaryl-7-amide; VLK-MCA, Boc-Val-Leu-Lys-MCA. Enzyme: ... fact that H21 0A and H210S are as active as native API with VLK-MCA as a substrate (Table 1). This means that Trp169 does not play a role as an electron-rich entity but as a large pl...
Ngày tải lên: 21/02/2014, 03:20
Báo cáo khoa học: Dissociation/association properties of a dodecameric cyclomaltodextrinase Effects of pH and salt concentration on the oligomeric state pot
... mutant, 5¢-AGTACATGTGGGACGTCAC CATGGAGTATGTCCC-3¢ (forward) and 5¢-GGGACAT ACTC CATGGTGACGTCCCACATGTACT-3¢ (reverse); for the H89V mutant, 5¢-TCTGCTGCAGCA GGGTGTT GAGAAGCGCTGGATG-3¢ (forward) and ... (forward) and 5¢-CATCCAG CGCTTCTCAACACCCT GCTGCAGCAGA-3¢ (reverse); for the H539V mutant, 5¢-CGACAAGGCGGGCGTC ACGTTA ACGCTGCCTGTCC-3¢ (forward) and 5¢-GG ACAGGCAGCGTTAACGTGACGCCCGCCTTGTCG-3¢ (rev...
Ngày tải lên: 07/03/2014, 12:20
What is the price of a mousetrap? The assessment of value from cloud services pptx
... functional transformation that has taken placed as a result of cloud services, namely; the impact on the assessment of value. This is a timely discourse as the vast majority of customers are using ... being available anywhere, at anytime and on any device. If it was only a simple as a mouse-trap. The complication is that for most customers they already have an IT investment....
Ngày tải lên: 09/03/2014, 02:20
Báo cáo khoa học: Light-induced gene expression of fructose 1,6-bisphosphate aldolase during heterotrophic growth in a cyanobacterium, Synechocystis sp. PCC 6803 ppt
... primers 5¢-ATTTCGATCATGCAGGCCG-3¢ and 5¢-GGAAGAAC CGTGCATTACC-3¢, and labeled with [a- 32 P]dCTP using a Megaprime labeling kit (Amersham Pharmacia, Piscataway, NJ, USA). Hybridization signals were ... upstream of the translation initi- ation site of the fbaA gene was amplified with forward primer 5¢-GCTAAAGGAAGTATTTGCTAC-3¢ and reverse primer 5¢-CTGAGTTAACCAAGTCCAGG-3¢ .A 134 bp DNA f...
Ngày tải lên: 16/03/2014, 04:20
Growth of amorphous silicon nanowires via a solid–liquid–solid mechanism
... analysis of the sample pro- vided direct evidence to support a- SiNW growth via an SLS mechanism. Fig. 3a shows a low-magnifica- tion cross-sectional SEM image. It is visible that a layer of a- SiNWs ... point of view, it is specu- lated that a- SiNWs may have potential applications such as for portable rechargeable batteries of high capacity which is closely related to the...
Ngày tải lên: 16/03/2014, 15:05