báo cáo khoa học: " Accumulation of phenanthrene by roots of intact wheat (Triticum acstivnm L ) seedlings: passive or active uptake?" pot
báo cáo khoa học: " Accumulation of phenanthrene by roots of intact wheat (Triticum acstivnm L.) seedlings: passive or active uptake?" pot
... original work is properly cited.Research article Accumulation of phenanthrene by roots of intact wheat (Triticum acstivnm L. ) seedlings: passive or active uptake?Xin-Hua Zhan1, Heng-Liang ... to uptake of ions by plant roots, mechanismsfor uptake of non-ionic organic chemicals like PAHs stillremain poorly understood. Chemicals may enter plant roots through passive and /or active process ... Nanjing Agricultural University for generously provid-ing the seeds of wheat (Triticum acstivnm L. ) and Dr. Vincent Serem for critical reading of the manuscript.Author Details1College of Resources...
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Báo cáo khoa học: The natural mutation by deletion of Lys9 in the thrombin A-chain affects the pKa value of catalytic residues, the overall enzyme’s stability and conformational transitions linked to Na+ binding pdf
... dependence of thecatalytic activity and binding of the low-molecular mass inhibitor N-a-(2-naphthylsulfonyl-glycyl)-4-amidinophenylalanine-piperidine (a-NAPAP) tothe wild-type (WT) and DK9 ... N-a-(2-naphthylsulfonyl-glycyl)-4-amidinophenylalanine-piperidine; Bis-Tris, (2-hydroxyethyl)iminotris(hydroxymethyl)methane;CHES, 2-(N-cyclohexylamino)ethanesulfonic acid; ED, essential dynamics; DK9, Lys9 ... change in pKavalue of the catalytic His residuein the mutant thrombin implies that the deletion of Lys9 allosterically affects the conformational state of relevant domains of the catalytic B-chain....
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Báo cáo khoa học: "GRAMMATICAL AN ALYSIS BY COMPUTER OF THE LANCASTER OSLO/BERGEN (LOB) CORPUS OF BRITISH ENGLISH TEXTS." potx
... and word class assignment of words with a word init.ial capital automatic. All entries in the 296 GRAMMATICAL ANALYSIS BY COMPUT~ OF THE LANCASTER-OSLO/BERGEN (LOB) CORPUS OF BRITISH ~NGLISH ... probabilities (originally this was the frequency of potential tag A followed by potential tag B divided by the frequency of A. Subsequently, it was changed to the frequency of A followed by B ... the large proportion of word forms that belong to more than one word class. ~hdings such as -able, -ly and -ness are graphic realizations" of morphologlc'- ~l units indicating word...
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Báo cáo khoa học: Creating hybrid proteins by insertion of exogenous peptides into permissive sites of a class A b-lactamase doc
... could be related to the presence of a proline in the heterologous sequence. The presence of this residue is not favorable for the formation of stable a-helices. The collapse of helix a1 probablydisturbs ... Huygen4and Moreno Galleni11 Biological Macromolecules and Laboratory of Enzymology, Centre d’Inge´nierie des Prote´ines, University of Lie`ge, Belgium2 Laboratoire de Bacte´riologie, De´partement ... 37 °C. The MICs correspond to the lowest ampicillinconcentrations that completely inhibited bacterial growth.Cellular localization of the hybrid b-lactamasesThe localization of the different...
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Báo cáo khoa học: " Detection and identification by PCR of Clostridium chauvoei in clinical isolates, bovine faeces and substrates from biogas plant" potx
... all below the detection threshold(Table 4). Samples from farmsAll field samples of faeces (11 4) except one, soil (8 4) andsilage ( 4) were below the detection threshold of the PCRmethod for ... bacteria col-lected with a 10 L loop) was collected from each FAAplate by a streak over the swarming flora (mixed, non-dis-crete colonies). The loopful was used for DNA preparationfollowed by PCR ... (cfu)/g.DiscussionSamples from suspected cases of blacklegFor muscle samples from suspected cases of blackleg, theresults from culture on FAA plates followed by PCR fromcolony material were...
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Báo cáo khoa học: Accumulation of polyubiquitinated proteins by overexpression of RBCC protein interacting with docx
... pTB701–FLAG–RBCK2DUBL (5 lg) or pTB701–HA–S5a (2 lg) by electro-poration, and cultured for 48 h. When MG132 was applied,the cells were pretreated with 50 lm MG132 at 37 °C for4 h. The cells were washed ... inhibitorcocktail (Roche, Basel, Switzerland)]. The cleared lysates(10 lL) were mixed with an equal volume of Laemmli’ssample buffer, and subjected to SDS ⁄ PAGE. The sampleswere blotted ... against HA (clone 12CA5; Roche) (10 lg), or amouse monoclonal antibody against FLAG (clone M2;Sigma) (10 lg), incubated on ice for 60 min, mixed with30 lL of protein G Sepharose 4 Fast Flow [50%...
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Tài liệu Báo cáo khoa học: Amino acid discrimination by arginyl-tRNA synthetases as revealed by an examination of natural specificity variants doc
... KM ) CavArg Cav Arg CavKM(lM)kcat⁄ KM(M )1 Æmin )1 ) KM(lM)kcat⁄ KM(M )1 Æmin )1 ) KM(lM)kcat⁄ KM(M )1 Æmin )1 ) KM(lM)kcat⁄ KM(M )1 Æmin )1 ) Jack bean 19.6 1.0 NDaND ... Belgium). The source of other chemicals was asfollows: l- homocitrulline (Advanced Asymmetrics, Millstadt,IL, USA), l- albizziine (2-amino-3-ureidopropanoic acid)(Bachem, Bubendorf, Switzerland), l- canavanine ... Rosenthal GA (197 7) The biological effects and mode of action of l- canavanine, a structural analogue of l- arginine. Q Rev Biol 52, 155–178.44 Lue SW & Kelley SO (200 7) A single residue inleucyl-tRNA...
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Tài liệu Báo cáo khoa học: The distinct nucleotide binding states of the transporter associated with antigen processing (TAP) are regulated by the nonhomologous C-terminal tails of TAP1 and TAP2 ppt
... mechanistic scaffold forthe alternating catalytic cycle of ATP binding and hydro-lysis of TAP.Materials and methodsCell lines and cell cultureT2 is a human lymphoblastoid cell line that lacks both ... deletions that simultaneously eliminateexpressionsofclassIandclassIIantigensofEBV-tansformedB-lymphoblastoid cells. I. Reduced proliferance responses of autologous and allogeneic T cells that have ... ina functional transporter. This result shows for the first timethat the core NBD of TAP2, normally seen only as an ADP-binding structure, has indeed a potentially catalytically active ATP binding-cassette,...
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Tài liệu Báo cáo khoa học: "Enhanced word decomposition by calibrating the decision threshold of probabilistic models and using a model ensemble" pdf
... models and using a model ensembleSebastian SpieglerIntelligent Systems Laboratory,University of Bristol, U.K.spiegler@cs.bris.ac.ukPeter A. FlachIntelligent Systems Laboratory,University of ... wordlist in order to find multiple pre- and suffixes. Acomparison of different levels of supervision formorphology learning on Zulu has been carried out by Spiegler et al. (200 8). Our two algorithms, ... construction of the morphological model. Ifthe data for training the model has the same struc-ture as the desired output of the morphologicalanalysis, in other words, if a morphological modelis learnt...
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Tài liệu Báo cáo khoa học: Multidentate pyridinones inhibit the metabolism of nontransferrin-bound iron by hepatocytes and hepatoma cells docx
... slight shift to the membrane-boundfraction, particularly by 4L1 (Table 2). This change inintracellular distribution with all chelators suggests they actintracellularly as well as extracellularly. ... typicalhepatoma cell line (Q 7). There was no obvious morpho-logical change detected by phase contrast microscopy andonly 1–6% of cellular AST was released under all conditions by all chelators.DiscussionThe ... transport is not regulated by cellular Fe levels. The intracellular distribution of irontaken up as NTBI changed in the presence of chelatorssuggesting that the chelators may act intracellularly...
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Từ khóa: báo cáo khoa học mẫubáo cáo khoa học y họcbáo cáo khoa học sinh họcbáo cáo khoa học nông nghiệpbáo cáo khoa học lâm nghiệpbáo cáo khoa học thủy sảnBáo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namGiáo 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 carôtenôitQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhối 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 thọNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Thơ 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)Giáo 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 vậtGiáo 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 vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIMÔN TRUYỀN THÔNG MARKETING TÍCH HỢPQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ