hydrothermal synthesis and structural characterization of fe2o3sno2 nanoparticles

... Hydrothermal synthesis and structural characterization of (1 2 x)a-Fe2O3–xSnO2 nanoparticles Monica Sorescua,*, L. Diamandescua,b, D. Tarabasanu-Mihailab, ... under the hydrothermal con-ditions are: x # 0:2 for Sn4þin the a-Fe2O3 and x $ 0:7 forFe3þin SnO2. This paper is the ﬁrst report on the hydrothermal synthesis and structural characterization ... averagevalues of x; for the analyzed series of mixed samplesare: x ¼ 0:08; 0.15, 0.21, 0.31, 0.40, 0.56, 0.70, 0.77 and 0.86.3. Results and discussionThe X-ray diffraction patterns of the hydrothermallysynthesized...

Báo cáo khoa học: Synthesis and structural characterization of a mimetic membrane-anchored prion protein doc

... composed of  35% a helix and asmall amount of b sheet, whereas PrPScappears tohave elevated levels of b sheet [7,8]. Higher resolutionstudies of the structure of PrPChave made use of NMR and ... 1299M. R. Hicks et al. Lipid-anchored PrP Synthesis and structural characterization of a mimeticmembrane-anchored prion proteinMatthew R. Hicks1, Andrew C. Gill2, Imanpreet K. Bath1, Atvinder ... because of the speciﬁc and quantitative reactivity of thiols towards it [54].Following the method of Ferris [55], the inexpensive and widely available diethyl bis(hydroxymethyl)malonate 1 and 48%...

Tài liệu Báo cáo khoa học: Puriﬁcation and structural characterization of a D-amino acid-containing conopeptide, conomarphin, from Conus marmoreus docx

... Pro, Val or Lys, c-carboxylation of Glu, glycosylation of Ser or Thr, bromination of Trp, sulfation of Tyr, cyclization of N-terminal Gln, and epimerization of several different residues. It ... structure of conomarphinwas similar to those of other conotoxin cDNAs. ThecDNA-encoded precursor of conomarphin consisted of a conserved M-superfamily signal peptide of 25 resi-dues, a proregion of ... lowest residualtarget function and lowest rmsd values were furtherTable 3. Structural statistics for the family of 20 structures of conomarphin and L-Phe13-conomarphin. Structural statistics ConomarphinL-Phe13-conomarphinAssigned...

Báo cáo khoa học: Functional and structural characterization of novel mutations and genotype–phenotype correlation in 51 phenylalanine hydroxylase deﬁcient families from Southern Italy docx

... Erlandsen and Stevens [22]. The details of theinteractions displayed by residues in the neighborhood of Q301 were analyzed in the structure of the ternary complex of human PAH with BH4 and ... con-sists of only the catalytic domain and dimerization motif(Protein databank code: 1mmk). An analysis of the muta-tion site was carried out with o software [43].Isolation of RNA and RT-PCR ... varies in dis-tinct populations and geographic areas [7–9] and anumber of them have been analyzed and characterizedin vitro [10,11].Identiﬁcation of the mutations and subsequentin vitro expression...

hydrothermal synthesis and crystal structure of a novel one - dimensional tritungstate

... 379–382www.elsevier.nlrlocaterinoche Hydrothermal synthesis and crystal structure of a novel one-dimensionalž/wxtritungstate: C H N W O2102 310Bangbo Yan, Yan Xu), Ngoh K. Goh, Lian S. ChiaDiÕision of Chemistry, School of ... has been hydrothermally synthesized and structurally characterized. The2102 310structure of title compound consists of infinite chains running parallel to the b axis, that are made up of distorted ... enH2qcations occupy interstrand regions2 of the W O4ychains and exhibit strong hydrogen bond620network to terminal and bridging oxo groups of the anionicchains of W O4y.6201ŽX.Crystal...

Báo cáo khoa học: Biochemical and structural characterization of mammalian-like purine nucleoside phosphorylase from the Archaeon Pyrococcus furiosus pptx

... function of time and protein concentration. One unit of enzyme activity wasdefined as the amount of enzyme that catalyzes the cleavage of 1 lmol of inosine per minute at 80 °C.Determination of kinetic ... respon-sible for the different substrate specificity of hPNP and hMTAP (Glu201, Asn243 and Val245 of hPNP instead of Ser178, Asp220 and Asp222 of hMTAP, respect-ively). The last important substitution ... employed and theelution was carried out with 5 : 95 (v ⁄ v) mixture of 95%methanol and 0.1% trifluoroacetic acid in H2O. The retent-ion times of inosine and hypoxantine, guanosine and guan-ine...

Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modiﬁed conotoxin, reveals that the glycan structure is a-D-Gal-(1ﬁ3)-a-D-GalNAc pot

... modifications. This synthesis in and of itself is a significant achievement in lieu of the complexity and number of post-translationally modified amino acidsincluded. However, our synthetic efforts and subsequentenzymatic ... increments int1 and spectral widths of 8000 Hz and 17 591 Hz in the1H and 13C dimensions, respectively. A total of 256 summedscans were collected with a relaxation delay of 1.3 s. All1H and 1H-13C ... 273, 5447–5450.Ó FEBS 2004 Glycopeptide tx5a synthesis and NMR analysis (Eur. J. Biochem. 271) 4949Total chemical synthesis and NMR characterization of the glycopeptidetx5a, a heavily post-translationally...

Báo cáo khoa học: Isolation and structural characterization of the Ndh complex from mesophyll and bundle sheath chloroplasts of Zea mays pptx

... motive force essential forthe synthesis of ATP. Homologs of this complex existin bacteria, the mitochondria of eukaryotes, and thechloroplasts of plants. The bacterial and mitochondrialKeywordschloroplast; ... exists as amonomer and dimer and splits into a membrane and soluble subcomplexes.Separation of the Ndh complex by CN/PAGE(1D) and Tricine/PAGE (2D) and CN/PAGE (1D) and BN/PAGE (2D)When ... and IRPPGFINLQILP-QLVK (one missed cleavage). All of these peptides werepart of the maize NdhH subunit.Database analysis of a MALDI-TOF-MS measure-ment of a 21-kDa trypsin-digested gel band...

Báo cáo khoa học: Identiﬁcation and structural characterization of a sialylated lacto-N-neotetraose structure in the lipopolysaccharide of Haemophilus inﬂuenzae pptx

... excitation of H-11H-resonance of the GlcNAc residue in the TOCSY step and of H-3/H-41H-resonance of the GlcNAc residue in the NOESY step. (A) The assignments of the1H-resonances of the Gal ... Biochem. 269) 4019Identiﬁcation and structural characterization of a sialylatedlacto-N-neotetraose structure in the lipopolysaccharide of Haemophilus inﬂuenzaeAndrew D. Cox1, Derek W. Hood2, ... presence of sialic acid. A combination of molecular genetics, MS and NMR spectroscopy techniquesshowed that this structural unit extended from the proximalheptose residue of the inner core region of...

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 ␣-Fe2O3uniform nanocrystallinesXiaohe ... recentyears, Oca˜na and co-workers have synthesized uniform ironoxides nanoparticles via aerial oxidation and forced hydroly-sis methods [24], however, the products of such synthesis ofteninvolved ... Journal of Alloys and Compounds 433 (2007) 216–220Fig. 3. (A) TEM image of the sample produced at 140◦C for 4 h. (B) TEM image of the sample produced at 140◦C for 8 h. The insets of (A and B)...

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