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synthesis, characterization and growing mechanism of monodisperse fe3o4 microspheres
synthesis, characterization and growing mechanism of monodisperse fe3o4 microspheres
... Synthesis, characterization and growing mechanism of monodisperse Fe3O4 microspheres Yingdi Lva, Hui Wanga,Ã, Xiaofang Wanga, Jinbo BaibaKey Laboratory of Synthetic and Natural ... condition of the microspheres shown in Fig. 1c. Thesurface of microspheres was made of a number of small subunits,each of which is like a tetrahedron crystal in shape and uniform insize and packed ... reductant and urea as precipitator supplied a relativelysteady environment during the synthesis process and led to the formations of Fe3O4tetrahedronsubunit and monodisperse Fe3O4 microspheres. ...
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Large scale synthesis, characterization and photoluminescence properties of amorphous silica nanowires by thermal evaporation of silicon monoxide
... diffusion of Si/SiOxvapors into the metalparticles, (ii) formation of liquid droplet of metal and Si/SiOx and (iii) the precipitation in the form of solid nanowires aftersuper-saturation of liquid ... two decades, a lot of attention has been paid to thegrowth and characterization of one-dimensional (1-D) nanos-tructures such as nanotubes, nanowires, nanobelts because of their distinctive ... substrate. The structure and photo-luminescence (PL) property of the as-deposited material has beeninvestigated and the growth of SiO2nanowires is discussed on thebasis of tiny SiO2cluster...
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Báo cáo khoa học: Identification, characterization and activation mechanism of a tyrosine kinase of Bacillus anthracis docx
... 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 ITCmethod.Table S1. List of primers used for cloning of McsB and McsA, and for creating site-specific mutants of Tyr155 ... phos-phorylation of McsB in the presence of McsA remains elusive. To under-stand the activation mechanism of McsB, we carried out spectroscopic and calorimetric experiments with McsB and McsA. The...
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Báo cáo Y học: Synthesis, characterization and application of two nucleoside triphosphate analogues, GTPcNH2 and GTPcF pdf
... 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 GTPcNH2with Mg2+to 45% and varied the temperature from 5 °Cto65 °C in 13 steps of 5°. Five representative31P NMR spectra of ... association of a metal ion, usually magnes-ium, with the phosphate groups of the nucleotide is crucialfor these events.The study of nucleotide-binding proteins, their function,structure and mechanism, ...
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Tài liệu Báo cáo khoa học: Biochemical characterization and inhibitor discovery of shikimate dehydrogenase from Helicobacter pylori docx
... expressed, and purified in Escherichia coli system. The enzymatic characterization of HpSDH demonstrates its activity with kcat of 7.7 s)1 and Km of 0.148 mmtoward shikimate, kcat of 7.1 s)1 and ... catalytic proper-ties of HpSDH and the effects of pH and temperatureon HpSDH. The results show that HpSDH has a kcat of 7.7 ± 0.9 s)1, Km of 0.148 ± 0.028 mm and kcat⁄ Km of 5.2 · 104m)1Æs)1toward ... shikimate, kcat of 7.1 s)1 and Km of 0.182 mm toward NADP, kcat of 5.2 s)1 and Km of 2.9 mm toward NAD. The optimum pH of theenzyme activity is between 8.0 and 9.0, and the optimum temperature...
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Tài liệu Báo cáo khoa học: Cloning, characterization and expression analysis of interleukin-10 from the common carp, Cyprinus carpio L. docx
... immunity is known to be important in thedefense 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 controlfor the quantity and quality of cDNA.Semiquantitative analysis of RT–PCR products. Suspen-sions of Carp head kidney and liver ... isolated and its genomic structure and expression analysis investi-gated. This work will pave the way for further investigation of the biological function of this gene, and the probability of the...
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Tài liệu Báo cáo khoa học: Molecular characterization and allergenic activity of Lyc e 2 (b-fructofuranosidase), a glycosylated allergen of tomato pdf
... specific 5¢ -and 3¢ primers selected on the basis of the published sequences for tomato b-fructofuranosidase(GenBank accession no. D11350 and S70040). Primers forthe short isoform of b-fructofuranosidase ... was calculated as percent of thetotal amount of histamine determined after lysis of thebasophils by twofold freezing and thawing of the cells. Ahistamine release of more than 10% was considered ... of 50 kDa would suggest that wehad purified the truncated isoform.Cloning of the cDNA of two isoforms of tomatob-fructofuranosidase and recombinant expressioninE. coliFor protein expression...
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Tài liệu Báo cáo khoa học: Physicochemical characterization and biological activity of a glycoglycerolipid from Mycoplasma fermentans ppt
... respectively [23,30], and the bands at1172, 1085, and 1038 cm)1assigned to glucose ringvibrations [31]. As no additional bands in the range of theamide vibrations centered at 1650 and 1550 cm)1can ... water-binding capa-city of lecithin headgroups [30]. Finally, MfGl-II exhibits amain band at 1245 cm)1 and further weak bands at 1220 and 1260 cm)1. Thus, the phosphate groups of this glyco-lipid ... of the horseshoe crab Limulus polyphemus,toform a solid gel in the presence of minute amounts of endotoxins. The comparison of LPS and MfGl-II in theLAL assay shows, as expected, activity of...
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Tài liệu Báo cáo khoa học: Characterization and functional expression of cDNAs encoding thyrotropin-releasing hormone receptor from Xenopus laevis Identification of a novel subtype of thyrotropin-releasing hormone receptor ppt
... consists of a large, rapid and transient response that is typical of Ca2+-dependent Cl–channels activated after stimulation of PLC and thesubsequent InsP3-dependent mobilization of Ca2+fromintracellular ... indicatingthat it is a member of the type 1 TRHR subfamily. Thedissimilarity between xTRHR2 and the two other XenopusTRHRs and its similarity to most of the regions of themouse, rat and fish TRHR2 indicate ... desensitization of the responses. (Lower)Responses of the three xTRHR subtypes to different concentrations of TRH. The maximum current amplitude of each recording was meas-ured and reported as a function of...
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Báo cáo khoa học: Molecular characterization and gene disruption of mouse lysosomal putative serine carboxypeptidase 1 ppt
... 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 compartment and of the soluble ... and Dagmar Niemeier for excellent technicalassistance, and Bernhard Schmidt for MS expertise and advice. We thank Professor Kurt von Figura forstimulating discussions and critical reading of...
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Từ khóa: synthesis and electrochemical performance of graphenepolyanilinesynthesis and electrochemical performance of graphenelike ws2nanoparticle an overview of preparation characterization and applicationthe regulation mechanism of the systems is programmed in each componentfood and agriculture organization of the united naand the rise of databased services delivered to handheld devicesNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Thơ nôm tứ tuyệt trào phúng hồ xuân hươngSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2chuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ