hydrothermal synthesis and characterization of - feooh and fe2o3 uniform nanocrystallines

... Journal of Alloys and Compounds 433 (2007) 216–220 Hydrothermal synthesis and characterization of ␣ -FeOOH and ␣-Fe 2 O 3 uniform nanocrystallines Xiaohe Liu a,b , Guanzhou ... 4, 8, and 12 h, respectively. The XRD pattern (Fig. 1a) of sample shows that the goethite (␣ -FeOOH) iron oxide nanocrystallines Fig. 1. The evolution of the XRD patterns of the ␣ -FeOOH...

Ngày tải lên: 19/03/2014, 16:48

... of 31, 31 and 17 m 2 g À1 , respectively. W 1-6 50 and W 5-6 50 pellets showed speci®c surface area of 25 and 27 m 2 g À1 , respectively. 3.2. FT-IR characterization The FT-IR spectra of both W 1-6 50/850 ... The outgassing-oxidizing pre-treat- ment temperature is thereafter reported in the pellet label (i.e. SN-650, W 1-6 50, etc.). BET surface areas of SN, SN-650, SN...

Ngày tải lên: 20/03/2014, 13:06

... Identification and characterization of thioredoxin and thioredoxin reductase from Aeropyrum pernix K1 Sung-Jong Jeon and Kazuhiko Ishikawa National Institute of Advanced Industrial Science and Technology ... proteins (Reaction 1and2 ). Trx-S 2 þ NADPH þ H þ ÀÀ* )ÀÀ TR Trx-(SH) 2 þ NADP þ Reaction 1 Trx-(SH) 2 þ Protein-S 2 ÀÀ* )ÀÀ Trx-S 2 þ Protein-(SH) 2 Reaction 2 Since the di...

Ngày tải lên: 23/03/2014, 21:20

... -) , LHCI (––), PSI c ore (ÆÆÆÆ)andPSI–LHCI (- - ). In (B) t hey are identi- fied as free pigments (- - Æ), monomeric and trimeric Lh c (- - ), PSII core (- - -) and PSII supercomplexes (––). 4664 M. ... humidity and 8 h of daylight. Thylakoids, prepared as described previously [14] were resuspended at 1 mgÆmL )1 Chl and solubilized with n-dodecyl-b- D -maltos...

Ngày tải lên: 30/03/2014, 15:20

... directed synthesis, chemical vapor deposition, solvo- and hydrothermal reaction, solution-based colloidal approach, and sonochemistry processes. Among them, solvo- and hydrothermal processes offer significant ... processfacilitates con- trol over the shapes of nanowire bundles and nanorods, allowing the formation of urchin-like crystalline h-WO 3 via simple substitu- tion of...

Ngày tải lên: 19/03/2014, 16:48

... 689±692 027 2-8 842/99/$ - see front matter # 1999 Elsevier Science Ltd and Techna S.r.l. All rights reserved. PII: S027 2-8 842(99)0000 2-4 * Corresponding author. Tel.: +4 0-1 78 0-6 925; fax:+4 0-1 42 3-1 700. E-mail ... Hydrothermal synthesis and characterization of some polycrystalline a-iron oxides Lucian Diamandescu*, Doina Mihaila-Tarabasanu, Nicoleta Po...

Ngày tải lên: 19/03/2014, 16:48

... the c-axis, implying Fig. 5. FE-SEM images of TNAs grown on PT-substrate at an annealing temperature of 700 8C and at a hydrothermal growth temperature of 160 8C and growth time of 3 h. (a) PT-substrate; ... the growth of TNAs. Guo [17] and Wang and co-workers [18] prepared well-aligned ZnO nanorod arrays by pre-treating the ITO glass substrate, and the results indicated...

Ngày tải lên: 19/03/2014, 16:48

... Synthesis and characterization of WO 3 nanostructures prepared by an aged -hydrothermal method R. Huirache-Acuña a,b, ⁎ , F. Paraguay-Delgado c,1 ,M.A.Albiter d ,J.Lara-Romero d , R. Martínez-Sánchez c a CFATA-UNAM, ... scale synthesis of WS 2 nanotubes from WO 3 nanorods prepared by a hydrothermal route. Solid State Sci 2005;7:67–72. [19] Ha J-H, Muralidharan P, Kyung Kim Do....

Ngày tải lên: 20/03/2014, 13:08

... nanorods were composed of Fe and O elements, and the ratio of the number of atoms Fe and O was about 3︰4. The TEM, SAED and EDS analyses revealed that Fe 3 O 4 nanorods were of polycrystalline ... media and biomedical fields [6 － 9] , because of its good compatibility with organism and its electrical and magnetic characteristics of its size and morphology....

Ngày tải lên: 20/03/2014, 13:11

... targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [ 4-( (11aS )-7 -methoxy-1,2,3,11a-tetrahydro- 5 H -pyrrolo[2, 1- c ][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium ... (11aS )-8 - hydroxy-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2, 1- c][1,4]benzodiazepin-5-one; (DC-81) [1,25]. This DNA- alkylating reagent binds to th...

Ngày tải lên: 20/02/2014, 11:20