the characterization of polybrominated diphenyl ether
![Báo cáo khoa học: Assignment of the [4Fe-4S] clusters of Ech hydrogenase from Methanosarcina barkeri to individual subunits via the characterization of site-directed mutants pdf](https://media.store123doc.com/images/document/14/rc/do/small_dor1394202044.jpg)
Báo cáo khoa học: Assignment of the [4Fe-4S] clusters of Ech hydrogenase from Methanosarcina barkeri to individual subunits via the characterization of site-directed mutants pdf
... [20] The midpoint potentials of these clusters are pH independent Hence, the properties of the iron–sulfur clusters present in the catalytic core of complex I seem to differ from those of the ... for the enzyme from the EchF8 mutant in Fig To determine if the mutations had turned the spin of the ground state of the cluster(s) of subunit EchF to S ¼ ⁄ 2, EPR spectra were recorded in the ... below 15 K a twofold splitting of the Nia–L signal was observed due to the interaction of the Ni-based unpaired electron with the S ¼ ½ system of the reduced proximal [4Fe-4S] cluster The temperature...
- 13
- 284
- 0
Báo cáo Y học: Genomic organization of MUC4 mucin gene Towards the characterization of splice variants potx
... located in the 3¢ region but also for two of them by deletion of the central repetitive domain Until now, because of the lack of knowledge on the genomic organization of the 3¢ region of MUC4, the precise ... with the nucleotide sequence of the MUC4 gene allowed us to establish the nature of the mechanisms responsible for the diversity of transcripts They were generated by the combination of either ... encode the same protein The potential diversity of the MUC4 isoforms in a single cell type may result in modulation of the properties of the molecule On the other hand, the alternative RNA splice...
- 8
- 341
- 0
Báo cáo khoa học: Probing the active site of Corynebacterium callunae starch phosphorylase through the characterization of wild-type and His334fiGly mutant enzymes pot
... 7.0) and the catalytic rates of the H334G mutant in the absence (0.0015 s)1; pH 6.5) and the presence (0.0081 s)1; pH 7.0) of imidazole The lines indicate the trend of the data signal of PLP phosphate ... that of the wild-type and with an optimum pH of 6.5 A shift of the pH profile of about + 0.5–1.0 pH units and an optimum pH similar to that of the wild-type was observed for the H334G mutant in the ... to the H334G mutant This result is in contrast to the 17-fold enhancement of GL binding to the wild-type upon the addition of the same concentration of phosphate pH profiles The pH dependences of...
- 11
- 430
- 0
Báo cáo khoa học: Affinity purification-mass spectrometry Powerful tools for the characterization of protein complexes ppt
... affinity-based methods The common theme of these is the use of an inherent interaction (affinity) of two biomolecules If one of the molecules is immobilized on a solid support, the interacting molecule ... in the sequence (Fig 2) Quite often, only a part of the sequence can be read from the sequence However, this stretch of consecutive sequence is ÔlockedÕ within the peptide by the masses of the ... from the column is another technical problem that could become serious in the later MS analysis Large amounts of antibodies present in the eluate might mask the presence of proteins of the purified...
- 9
- 415
- 0
báo cáo hóa học: "Bayesian aggregation versus majority vote in the characterization of non-specific arm pain based on quantitative needle electromyography" pot
... matrix To that end, the columns marked ψ show the coefficient of variation, which is the ratio of the standard deviation of the mean of a feature versus the mean variability of the feature overall, ... the motor point of the ECRB muscle of the test limb was identified as the area over the muscle surface where the lowest possible electrical stimulus produced a muscle twitch The location of the ... row The central rows of the table are set up in the following way: • each row is labelled with the true characterization, • the first two columns indicate the number of characterization with the...
- 12
- 555
- 0
báo cáo khoa học: "Capillary electrophoresis for the characterization of quantum dots after non-selective or selective bioconjugation with antibodies for immunoassay" docx
... ultimately influence the net-charge of the conjugate The increase in peak width of the QD-BSA can be attributed to a number of factors, including the polydispersity Page of 15 (page number not ... many proteins This ultimately Another drawback for the use of EDCHCl/sulfo-NHS for the formation of stable bioconjugates is the lack of specificity on the protein of interest As numerous amine functional ... a region close to the antigen-binding site (the hypervariable region) Either one of these variations can significantly reduce the efficiency of immunoassay applications [9] Other techniques make...
- 15
- 301
- 0
báo cáo khoa học: " A new model for the characterization of infection risk in gunshot injuries:Technology, principal consideration and clinical implementation" pptx
... 5.0 g of barium titanate were then distributed in the dust chamber prior to each shot, and a filter paper was inserted to block the dust chamber from the barrel of the rifle The other end of the ... differences in the diameter of the cavity between the two projectiles were found 6.0-10.0 cm behind the point Page of of impact of the projectile on the gelatin block In this area, the gelatin blocks ... particles in the case of the full metal jacket projectile was significantly lower in the area 8.0 cm from the entry up to the exit of the projectile as compared with the size of the temporary...
- 5
- 573
- 0
Báo cáo y học: "Factors associated with mosquito pool positivity and the characterization of the West Nile viruses found within Louisiana during 2007" ppsx
... determine whether these were significant predictors of the mosquito species found, regardless of WNV positivity Interestingly, no factors (land cover, month) were significant for the 2007 data Therefore, ... July than June The overall trends of land cover and month are shown together in Figure Phylogenetic Analysis The phylogenetic tree resulting from the contiguous segment comprised of the envelope ... Digital Map, May 2007 shows the land cover of Louisiana Pertinent parishes are labelled with their parish names together as representative of the North American 2002 clade The between and within distances...
- 8
- 327
- 0
Nghiên cứu qui trình xác định hàm lượng polybrominated biphenyl (pbb) và polybrominated diphenyl ether (pbde) trong sản phẩm từ nhựa bằng phương pháp sắc kí khí khối phổ
... Limit of Detection MLOQ Method Limit of Quantitation PBB Polybrominated Biphenyl PBDE Polybrominated Diphenyl Ether PCBs Polychlorinated Biphenyl QC Quality Control RoHS Restriction of the use of ... I.1.3.1 Sơ lược PBDE : [4], [7] Polybrominated diphenylether (hay gọi polybrominated diphenyloxide) gọi tắt PBDE tạo thành thay nguyên tử hydrogen vòng diphenylether nguyên tử brom Công thức phân ... PBDE thường sản xuất sử dụng hỗn hợp sau : - Decabromodiphenyl ether (Deca-BDE) - Octabromodiphenyl ether (Octa-BDE) - Pentabromodiphenyl ether (Penta-BDE) 14 Đối với sản phẩm thương mại Penta-BDE...
- 113
- 3,031
- 18
The characterization of soluble t cell receptors specific for the parasite toxoplasma gondii
... produce the variable region of a light chain A total of two gene loci, κ and λ, encodes the light chain of the BCR Thus, each light chain could either be of the κ or λ subtype On the other hand, the ... recombination of the heavy chain, (2) nucleotides added or deleted in the joined segments and (3) pairing of the re-arranged heavy chain with either the κ or the λ isotype of the light chain Further diversity ... oocysts, the sexual stage of the parasite, in the guts of cats They can then infect humans or animals that come into close contact with these infected cats The oocysts then develop into the latent...
- 164
- 367
- 0
INTERLEUKIN 6 RELEASE FROM t98g HUMAN GLIAL CELL LINE AS a PREDICTIVE MARKER FOR CHRONIC PAIN, AND THE CHARACTERIZATION OF SUBSTANCE(S) INVOLVED IN PAIN
... biological markers in the treatment of chronic pain The change in concentration of various proteins or peptides in the CSF is one of the most sensitive indicators of pathology in the CNS The differing ... functions of the CNS, and investigating the mechanisms of chronic pain The importance of biological markers for assessing the extent of chronic pain or predicting effectiveness of pain therapy ... nociception, binding to the glycine site on the NR1 subunit of the NMDA receptor The presence of glutamate increases the glycine site affinity Intrathecal (i.t.) administration of D-serine has been...
- 136
- 600
- 0
The role of host cell ether lipids in influenza virus infection
... alcohol needed for ether lipid biosynthesis FAR1 enzyme has been shown to be regulated by levels of ether lipids in the cell, indicating the presence of feedback mechanism for ether 21 Introduction ... exist as ether- bonded glycerophospholipids (Figure 1.4), where the alkyl chain at the sn-1 position is linked to the glycerol backbone via an ether bond (Gorgas et al., 2006) Among these ether glycerophospholipids ... AGPS siRNA and the off-target effects 90 Table Knockdown effect of Rab11a siRNA and the off-target effects 92 ix List of Figures Figure 1.1 Estimates of the transmission of influenza...
- 108
- 222
- 0
Báo cáo khoa học: Detection and characterization of a novel extracellular fungal enzyme that catalyzes the specific and hydrolytic cleavage of lignin guaiacylglycerol b-aryl ether linkages pdf
... (Fig 7) The b-aryl ether cleavage enzyme could not cleave the b-aryl ether linkages of GOUbz (III) and GOGbz (IV) In addition, the b-aryl ether cleavage enzyme failed to cleave the b-aryl ether ... Analysis of the products of the reaction revealed the presence of guaiacylglycerol (GG) and 4MU (data not shown) Localization of enzymatic activity To confirm the localization of the b-aryl ether ... oxygen affects the formation of the quinonemethide Then, water attacks the Ca position in the quinonemethide and the b-aryl ether linkage is cleaved Another water molecule then attacks the Ca position...
- 10
- 670
- 0
Báo cáo y học: "Characterization of N200 and P300: Selected Studies of the Event-Related Potential Salil H. Patel 1 and Pierre N. Azzam 2"
... interspersed by a stimulus which deviated from the standard in the intensity of the first component and the glide direction of the second constituent The number of distinct MMN components elicited by ... 56]; these findings further support the concept of the P3 as a proxy for some element of stimulus evaluation time Evidence has accumulated describing the P300 as a cognitive routine supporting the ... and the N2b Data indicate that the P300 is involved not only in processes of working memory, but may interact with the N2b in the control of motor response to external cues Through the use of...
- 8
- 563
- 0
Characterization of the microbial community in the anaerobic/oxic/anoxic process combine
... from the anoxic tank, and the amount of sludge was adjusted to 9.4 % of total MLSS per day Ozonation was performed twice a week, and then the supernatant of the ozonated sludge was flowed into the ... the sewer line is lower than those in the UCT processes In sequencing batch reactors (SBRs), the PURs are higher than the others (Table 1) These high PURs were due not to the differences in the ... mg/L of SS, 55–80 mg/L of TOC, 45–55 mg/L of T-N, and 4.0–5.5 mg/L of T-P Other details are shown in the related study (Kondo et al., 2009) Sampling was performed once efficient - 156 - Journal of...
- 8
- 573
- 4
Water Pollution Characterization by Pathogenic Indicators in Water Runoff in the Downtown of Hanoi, Vietnam
... wet weather condition These results indicate the range of variation in the quality of surface runoff which makes urban surface runoff quality control more difficult Besides washoff from the surface, ... indicator of mixing wastewater with runoff water Fig shows the correlation of EC with T-N, NH4+-N, E.coli and TC, in which the correlation of EC with T-N and NH4+-N is higher than that of the coliforms ... coliforms The correlation between E.coli and TC with EC in road runoff samples is stronger than that of lakes It may contribute to the variety of source contributions to water samples at the inflow of...
- 10
- 541
- 1
Characterization of the Carbon Stable Isotope Ratio and Fatty Acid Structure of Zostera japonica in Coastal Areas
... the deciduous effect of the respective parts of Z japonica The δ13C in the roots and rhizomes seems to be larger than the δ13C in the leaves and stems For the same species of seagrass, when the ... (LCFAs) These standards were used to obtain 56 kinds of fatty acids Therefore, the contents of each fatty acid were calculated based on the quantity of lipid, the content ratios of all the fatty ... we think that the characteristics of the fatty acid structure in the leaves and stems differ from those of the roots and rhizomes because the content of the fatty acid 18:3n3 in the leaves and...
- 9
- 614
- 2
Preparation and characterization of the PVDF-based composite membrane for direct methanol fuel cells
... the inner part of the membranes As shown in Figure 4e, many big aggregates appear in the middle part of the PVDF-PS membrane The hydrophobic property of PS polymer promoted the formation of these ... Thermal analysis of the PVDF-SPS composite membrane The TG analysis curve is presented in Figure for the investigation of the thermal stability of the PVDF membrane, PVDF-PS membrane, and the PVDF-SPS ... decomposes The swelling is due to the degradation of the cross-linking structure of the membrane in the H2O2 solution [33] The decomposition rate is larger than the swelling effect after 60 h The result...
- 14
- 596
- 1
Tài liệu Characterization of the Polymorphic Behavior of an Organic Compound Using a Dynamic Thermal and X-ray Powder Diffraction Technique pptx
... wavelength of 1.540600 Å The X-ray data was collected using an MBraun curved PSD with a chamber depth of cm The focal radius of the system was 57 mm, and the cm length of the PSD subtended ∼25° 2θ of the ... however, the assignment of component polymorphs to sample mixtures depended on the XRPD results Conclusions Interconversions of the Polymorphs of Disodium Salt The interconversions of polymorphs of the ... anhydrous thermal event Form I to Form II melt of Form II Form I to Form II melt of Form II loss of water melt of Form I Form I to Form II melt of Form II loss of water melt of Form III melt of Form...
- 16
- 549
- 0
Tài liệu Báo cáo khoa học: Identification and characterization of the transcription factors involved in T-cell development, t-bet, stat6 and foxp3, within the zebrafish, Danio rerio docx
... unclear whether these cytokines are produced by CD4+CD25+Foxp3+Treg or whether they induce the production of these cytokines from another population of cells [20] To date, our knowledge about the different ... important in the generation of the correct class of antibodies by B-cells, and for the elimination of extracellular pathogens, such as helminths and other extracellular parasites [2] Th17 is the most ... discovery of a number of immune relevant genes using the synteny (conservation of gene order) found between the human and fish genomes [29–32] and, in some cases, has helped determine whether the gene...
- 20
- 689
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình khảo sát chương trình đào tạo gắn với các giáo trình cụ thể 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 đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 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 rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy phần 3 giới thiệu nguyên liệu 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