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 ␣-Fe2O3 uniform nanocrystallines Xiaohe Liua,b, Guanzhou ... 4,8, and 12 h, respectively. The XRD pattern (Fig. 1a) of sampleshows that the goethite (␣ -FeOOH) iron oxide nanocrystallines Fig. 1. The evolution of the XRD patterns of the ␣ -FeOOH nanocrystallines obtained ... weakening of ␣-Fe2O3peaks, which indicates the transition from ␣ -FeOOH to ␣-Fe2O3.Fig. 2 shows the X-ray diffraction pattern of the sample of hematite (␣-Fe2O3) iron oxide nanocrystallines...

preperation and characterization of sno2 and wox - sno2

... of 31, 31 and 17 m2gÀ1, respectively. W 1-6 50 and W 5-6 50 pellets showed speci®c surface area of 25 and 27 m2gÀ1, 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-850, W 1-6 50 and W 5-6 50 pellets ... the electron population of the VOFig. 2. SEM images of (a) SN-850, (b) W 1-8 50 and (c) W 5-8 50 films.Fig. 3. FT-IR transmittance spectra of SN-650 (solid line) and W 1-6 50 (dotted line) samples...

Báo cáo Y học: Identification and characterization of thioredoxin and thioredoxin reductase fromAeropyrum pernixK1 pdf

... Identiﬁcation and characterization of thioredoxin and thioredoxinreductase fromAeropyrum pernixK1Sung-Jong Jeon and Kazuhiko IshikawaNational Institute of Advanced Industrial Science and Technology ... proteins (Reaction 1and2 ).Trx-S2þ NADPH þ HþÀÀ*)ÀÀTRTrx-(SH)2þ NADPþReaction 1Trx-(SH)2þ Protein-S2ÀÀ*)ÀÀ Trx-S2þ Protein-(SH)2Reaction 2Since the discovery of the ﬁrst Escherichia ... mMdithiothreitol in a total volume of 50 lL. Then, 40 lLofareaction mixture composed of 200 lLofHepes(1M),pH 7.6, 40 lLofEDTA(0.2M), 40 lLofNADPH(40 mgÆmL)1), and 500 lL of insulin (10 mgÆmL)1)wereadded....

Báo cáo khoa học: Stoichiometry of LHCI antenna polypeptides and characterization of gap and linker pigments in higher plants Photosystem I doc

... -) ,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 describedpreviously [14] were resuspended at 1 mgÆmL)1Chl and solubilized with n-dodecyl-b-D-maltoside (b-DM) at a finalconcentration of 1%. ... 23.3 7.3PSI- LHCI 46.8 5.6 10.2 5.3Fig. 4. Absorption spectra of solubilized PSI–LHCI and PSII super-complexes. A b sorption spectra of different bands obta ined upon sol-ubilization and sucrose...

hydrothermal synthesis and characterization of self - assembled h - wo3

... directed synthesis, chemical vapor deposition, solvo- and hydrothermal reaction, solution-based colloidal approach, and sonochemistryprocesses. Among them, solvo- and hydrothermal processes offersigniﬁcant ... processfacilitates con-trol over the shapes of nanowire bundles and nanorods, allowingthe formation of urchin-like crystalline h-WO3via simple substitu-tion of NH4+in place of Na+ions of EDTA salt ... growth of aggregate particles is facilitated and followed by the growth of 1D nanorods to form the urchin-likestructure.TEM andHR-TEMmicrographs of h-WO3nanostructures formedusing Na+ion- and...

hydrothermal synthesis and characterization of some polycrystalline iron oxides

... 689±692027 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 polycrystallinea-iron oxidesLucian Diamandescu*, Doina Mihaila-Tarabasanu, Nicoleta Popescu-Pogrion,Alina Totovina, ... [1±6].It is the aim of this paper to report on the synthesis of hematite under various hydrothermal conditions, atmoderate tempe ratures, as wel l as carry out the struc-tural and morphological...

hydrothermal synthesis and characterization of tio2 nanorod arrays on glass substrates

... the c-axis, implyingFig. 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 bypre-treating the ITO glass substrate, and the results indicated thatpre-treatment of the substrate ... view of TNAs; (c) side view of TNAs.Fig. 6. Diameter distribution of TiO2nanorods grown on PT-substrate at anannealing temperature of 700 8C and at a hydrothermal growth temperature of 160...

synthesis and characterization of wo3 nanostructures prepared by an aged-hydrothermal method

... Synthesis and characterization of WO3nanostructures preparedby an aged -hydrothermal methodR. Huirache-Acuñaa,b,⁎, F. Paraguay-Delgadoc,1,M.A.Albiterd,J.Lara-Romerod,R. Martínez-SánchezcaCFATA-UNAM, ... scale synthesis of WS2nanotubes from WO3nanorods prepared by a hydrothermal route. Solid State Sci 2005;7:67–72.[19] Ha J-H, Muralidharan P, Kyung Kim Do. Hydrothermal synthesis and characterization ... characterization of self-assembled h-WO3nanowires/nanorods using EDTA salts. J Alloys Compd2009;475:446–51.[20] Albiter MA, Huirache-Acuña R, Paraguay-Delgado F, Rico JL,Alonso-Núñez G. Synthesis of MoS2nanorods...

thermal oxide synthesis and characterization of fe3o4 nanorods and fe2o3 nanowires

... 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 Fe3O4 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. Therefore, the preparation of ... the Fund of Weinan Teacher’s University (Grant No. 08YKZ008), the National Natural Science Foundation of China (Grant No. 20573072) and the Doc-toral Fund of Ministry of Education of China...

Tài liệu Báo cáo khoa học: Specific targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [4-((11aS)-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium iodide doc

... targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [ 4-( (11aS )-7 -methoxy-1,2,3,11a-tetrahydro-5H-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 the minor groove of double-stranded DNA and then ... carbonylcyanide-p-triﬂuoromethoxy-phenylhydrazone; IBTP, 4-iodobutyltriphenyl-phosphonium iodide; mitoDC-81, [ 4-( (11aS )-7 -methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]tri-phenylphosphonium...

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