enthalpy of formation of buckminsterfullerene
Mutagen Formation Potential of Composite Samples Prepared by Biodegradation of Agricultural Chemicals
... Journal of Water and Environment Technology, Vol 6, No.1, 2008 Preparation of Composite Samples To prepare 10 mg-AC/L of aqueous solution, 100 mg of AC was dissolved into mL of ethanol and 400 µL of ... were assessed by means of the net number of revertant colonies per unit of mass of the added ACs [net rev./mg-AC] Composite samples are presumed to contain various kinds of AC-decompositions produced ... to discuss the effect of AC decompositions on the MFP of actual raw waters or to discuss the measuring method of the MFP of composite samples That is why, for the purpose of attaining accurate...
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Formation of Aerobic Granular Sludge in a Continuous-Flow Reactor – Control Strategy for the Selection of Well-Settling Granular Sludge
... the washout of sludge from the reactor, and therefore, we investigated the effect of surface loading rate and aeration rate on the selection of well-settling sludge and the formation of aerobic ... view Fig - Schematic diagram of the AUFB reactor Reactor Setup and Operation for the Formation of Aerobic Granular Sludge Two AUFB reactors were used for the formation of aerobic granular sludge ... strategy for the selection of well-settling sludge Then, we applied the strategy to the formation of aerobic granular sludge in a continuous experiment In addition, the effect of feeding pattern, i.e...
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Tài liệu Báo cáo khoa học: Mechanisms of amyloid fibril formation – focus on domain-swapping doc
... destabilization of the a conformation as a result of peptide dipole moments Alternation of the screening of backbone electrostatic interactions by side chains causes different conformational preferences of ... after partial unfolding of the a-helix from the body of the b-sheet (Fig 2C) Possible role of domain-swapping in the ‘off-pathway folding’ (OFF) model The OFF model for amyloid formation was first ... fibril formation of stefins This is consistent with the case of the homologous cystatin C, where the prevention of domain-swapped dimerization also prevents amyloid fibril formation [138] Role of proline...
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Tài liệu Báo cáo khoa học: Evidence that the assembly of the yeast cytochrome bc1 complex involves the formation of a large core structure in the inner mitochondrial membrane pdf
... the assembly of the bc1 complex is also unknown Furthermore, as in the case of the biogenesis of other multi-subunit complexes of the mitochondrial respiratory chain, the assistance of specific ... insertion of ISP into an immature bc1 complex and that the association of the Qcr9p subunit with the bc1 complex precedes the binding of ISP In fact, the direct absence of ISP (DISP), or the block of ... incorporation of ISP, even if further functions cannot be excluded A possible role of this chaperone in the stabilization of the core structure of the bc1 complex can be excluded on the basis of the...
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Tài liệu Báo cáo khoa học: Oocyte membrane localization of vitellogenin receptor coincides with queen flying age, and receptor silencing by RNAi disrupts egg formation in fire ant virgin queens ppt
... amplifications contained lL of the diluted cDNA (1 : 2), 0.4 lm of each primer, 400 lm of dNTPs, · reaction buffer and 0.4 lL Taq DA polymerase in a final volume of 20 lL PCR amplification of VgR product was ... of the honey bee and of a stingless bee: loss of ecdysteroid function at increasing levels of sociality? Insect Biochem Mol Biol 32, 211–216 Hartfelder K & Emlen DJ (2005) Endocrine control of ... Injection of dark queen pupae with VgR–dsRNA1 did not result in VgR silencing (data not shown) The selection of white pupae for injection of dsRNA appears to be critical for successful silencing of...
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Tài liệu Báo cáo khoa học: Salt-induced formation of the A-state of ferricytochrome c – effect of the anion charge on protein structure docx
... attributed to formation of the Fe(III)–M80 axial bond, providing strong indication that the slow phase is coupled to formation of the native axial coordination The absorption spectra of the K13N ... magnification of original spectra (D) Absorption spectra of the aciddenatured K13N mutant (spectrum a), of the K13N mutant after ms of mixing with 40 mM sulfate (spectrum b), and after s of mixing ... used of analytical grade from purifrom were Construction of horse cytochrome c expression system A version of the horse cytochrome c synthetic gene was designed on the basis of the sequence of...
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Tài liệu Báo cáo khoa học: Oxidation inhibits amyloid fibril formation of transthyretin ppt
... the extent of fibril formation overall for both the WT and V30M TTR proteins The extent of fibril formation can be calculated as the percentage of the turbidity (absorbance at 330 nm) of the oxidized ... effects caused a delay in the onset of amyloid fibril formation Alternatively, the inhibition of fibril formation may purely be the result of an increase in solubility of oxidized proteins [6,41] Limited ... method of investigating regions of proteins that are critical in the onset of amyloid formation This study reveals that domains neighboring methionine residues are critical in the formation of fibril...
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Tài liệu Báo cáo khoa học: His374 of wheat endoxylanase inhibitor TAXI-I stabilizes complex formation with glycoside hydrolase family 11 endoxylanases pptx
... subsite of the endoxylanase, Leu292 of TAXI-I perfectly superimposes with xylose In spite of the above, profound analysis of the specific contributions of the amino acid residues at the interface of ... rate of complex formation during sample injection is given by d[AB] ⁄ dt ¼ kon[A][B] – koff[AB], which may be expressed as dR ⁄ dt ¼ konCRmax – (konC+koff)R, where dR ⁄ dt is the rate of change of ... mutagenesis of TAXI-I His374: plasmid construction and P pastoris transformation The contribution of amino acid His374 of TAXI-I to endoxylanase inhibition was studied by mutation of this amino...
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Tài liệu Báo cáo khoa học: Novel aggregate formation of a frame-shift mutant protein of tissue-nonspecific alkaline phosphatase is ascribed to three cysteine residues in the C-terminal extension pdf
... aggregate formation of an alkaline phosphatase frame-shift mutant Hypophosphatasia is an inborn error of metabolism characterized by defective mineralization of hard tissues and reduced levels of tissue ... assembly of TNSALP in the endoplasmic reticulum (ER), resulting in the loss of functional TNSALP from the cell surface [10–14] Deletion of T at position 1559 of the cDNA [TNSALP (1559delT)] of the ... concerted action of nucleoside triphosphate pyrophosphohydolase and TNSALP regulates local concentration of inorganic pyrophosphate at the site of mineralization, which, as a poison of hydroxyapatite...
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Tài liệu Báo cáo khoa học: Control analysis as a tool to understand the formation of the las operon in Lactococcus lactis doc
... well with the individual determination of flux control coefficients by PFK, PK and LDH The role of the las operon is discussed on the basis of the distribution of flux control for PFK, PK and LDH Results ... unclear but may reflect a combination of a hierarchical up-regulation [16] of the las operon at low PK activity and a polar effect of the pyk deletion on expression of ldh An important question is ... were related to the A280 of the extract, for the purpose of determining relative activities The specific activities of PFK and PK and LDH in MG1363 were determined as UÆmg)1 of protein, where a unit...
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Tài liệu The Formation of Christendom, Volume VI pdf
... Letter of the bishop of Vienne to the Roman senate upon this Council, 139 The cause of the Bishop of Rome is not that of one bishop, but of the Episcopate itself, 140 Words of Ennodius, bishop of ... see of Constantinople any rank beyond that of an ordinary bishop, and omits the Council of 381, 116 CHAPTER II Death of Pope Gelasius and character of his pontificate, 118 His own description of ... http://www.archive.org/details/theholysee06alliuoft THE HOLY SEE AND THE WANDERING OF THE NATIONS FROM ST LEO I TO ST GREGORY I by THOMAS W ALLIES, K.C.S.G Author of the "Formation Of Christendom"; "Church and State As Seen in the Formation...
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Tài liệu Báo cáo Y học: The insert within the catalytic domain of tripeptidyl-peptidase II is important for the formation of the active complex potx
... Ó FEBS 2002 Formation of the tripeptidyl-peptidase II complex (Eur J Biochem 269) 1439 of the oligomeric complex could be a way of regulating the enzymatic activity In ... human 293-cells The main objective of the present work was to find an explanation for this phenomenon It is demonstrated that the formation of the active complex is profoundly influenced by a single ... dithiothreitol, at a flow rate of mLÆh)1 Fractions of mL were collected The void-volume (Vo) and total volume (Vt) of the column were determined from the elution positions of Blue dextran (AP Biotech,...
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Tài liệu Báo cáo Y học: Use of site-specific recombination as a probe of nucleoprotein complex formation in chromatin Micha Schwikardi and Peter Droge ¨ potx
... cassette is composed of two directly repeated copies of res and of loxP sites They flank the coding region of the hygromycin gene which serves as the resistance marker for the generation of stable reporter ... (Eur J Biochem 268) 6257 repeated copies of the 32-bp long site I of res [10] Due to the symmetry of the central two base pairs at site I, random collision of two site I-bound gd102NLS dimers results, ... below) We placed the coding region of the lacZ gene downstream of the cassette Transcription is initiated 127-bp upstream of the first nucleotide defining site III of the promoter proximal res, Fig...
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Tài liệu Báo cáo Y học: Temperature dependence of thermodynamic properties for DNA/DNA and RNA/DNA duplex formation pdf
... Enthalpy and heat capacity changes for formation of an oligomeric DNA duplex: interpretation in terms of coupled processes of formation and association of single-stranded helices Biochemistry ... dTm) and a linear regression of entropy with respect to the logarithmic scale of the melting temperature (DCp,S ẳ dDS/dlnTm) The thermodynamic properties of the duplex formation determined by DCP ... bp For any of the non-self-complementary duplex formations, the thermodynamic parameters can be determined by two conventional vant Hoff analysis methods One is to plot the reciprocal of the melting...
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Báo cáo khoa học: Protein aggregation and amyloid fibril formation prediction software from primary sequence: towards controlling the formation of bacterial inclusion bodies pot
... prediction of amyloidogenic regions in a protein sequence (or rather, the ability of a peptide to be amyloidogenic): the scale of the packing density, and two scales of the probability of formation of ... correctly predicts 80% of amyloidogenic peptides (115 of 144 peptides) and 72% of non-amyloidogenic ones (189 of 263 peptides), with a cut-off value of 0.062, from a database of 407 amyloidogenic ... cut-off (have numbers of expected contacts higher than the cut-off) and the size of the region is greater than or equal to the size of the sliding window used Optimum values for the cut-off (threshold)...
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Báo cáo khoa học: Lysophosphatidylcholine modulates fibril formation of amyloid beta peptide doc
... influences fibril formation of Ab(1-40) and Ab(1-42) LPC modulates Ab fibril formation Results Effects of LPC on Ab(1-42) fibril formation To investigate the effects of LPC on Ab(1-42) fibril formation, ... maximum of Tyr fluorescence is approximately 304 nm [23] Fibril formation of Ab peptides in the absence or presence of LPC did not produce any shift of the Tyr fluorescence maximum Incubation of Ab(1-40) ... fibril formation reaction was terminated by quickly freezing the samples Assessment of Ab fibril formation on the basis of ThT fluorescence The presence of b-sheet structures and the kinetics of fibril...
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Báo cáo khoa học: Amyloid oligomers: formation and toxicity of Ab oligomers ppt
... visualization of Ab oligomer at the molecular level in living cells and animal models, may be required to elucidate the mechanism of formation of Ab oligomers Possible mechanism of soluble oligomer formation ... idea that the existence of ADDLs in the human AD brain causes disease [24] The formation of annular Ab oligomers, with an outer diameter of 8–12 nm and an inner diameter of 2.0– 2.5 nm (150–250 ... suggest the existence of a structural polymorphism of Ab oligomers There have been several other attempts to examine Ab oligomer structures to elucidate the mechanism of formation of Ab oligomers Studies...
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Báo cáo khoa học: Formation of highly toxic soluble amyloid beta oligomers by the molecular chaperone prefoldin pptx
... involvement of PFD in the formation of toxic Ab oligomers in the cytosol Results Fibrillation of Ab peptide in the presence of PFD In an effort to investigate the effects of PFD on fibrillation of Ab(1–42) ... addition of lm Ab fibrils formed in the absence of PFD By contrast, addition of only 0.05 lm soluble Ab oligomers formed in the presence of PFD markedly induced PC12 cell death The observed level of ... Fig Dot-blot assay of soluble Ab oligomers formed in the presence of PFD Samples of Ab oligomers formed in the presence of PFD (Ab ⁄ PFD), Ab fibrils formed in the absence of PFD (Ab fibril), A11-positive...
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Báo cáo khoa học: Replacement of two invariant serine residues in chorismate synthase provides evidence that a proton relay system is essential for intermediate formation and catalytic activity docx
... a role of the reduced FMN eagerly demanded structural information of the protein Eventually, the structure determination of Streptococcus pneumoniae chorismate synthase in the presence of oxidized ... Multiple sequence alignments of chorismate synthases from bacterial, fungal, plant and protozoan origin, of the crystal structure of the enzyme with bound EPSP and of the flavin cofactor, revealed two ... those of the wild-type protein The two-step chromatographic procedure developed for the purification of wild-type enzyme yielded similar amounts of the mutant proteins (3 mg of protein per gram of...
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Tìm thêm: xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25