... activate the pump; (2) they serve as the initial binding site, transferring the metal ion to the translocation domain, which probably includes the CPC motif; (3) in eukaryotes they may be involved in ... Extrapolating from the shape of these small molecules, a model ofthe metal-binding site in ArsA has been proposed (Fig 4) (43) Filling ofthe allosteric site with metal results in an increase inthe ... may be involved in trafficking ofthe pump to the appropriate membrane In support ofthe last possibility, the metal-binding domains of either the Menkes or Wilson proteins not appear to be essential...
... assemble, or maintain the unit, they shall be included inthe quotation and furnished as part ofthe initial supply ofthe machine For multiple unit installations ,the requirements for quantities of special ... consideringthe additional support and damping produced bythe action ofthe pumped liquid within internal running clearances at the operating conditions and allowing for flexibility and damping within ... Petroleum Institute Licensed by Information Handling Services sleeved, or plated The final surface finish shall maximum be a of 1.0 pm (32 pin.) R,, preferably obtained by honing buror nishing These...
... chitin có dạng cấu trúc song song - chitin xếp theo kiểu đối xứng ngược chiều [63, 81, 109] α – chitin γ– chitin β – chitin Hình 1.2: Sự xếp mạch polymer ba dạng chitin Trong ba dạng tinh thể ... hóa DF Độ tự (Degree of Freedom) ĐHHP Động học hấp phụ ĐNHP Đẳng nhiệt hấp phụ F Tốc độ tuyến tính qua cột FL Freundlich FT-IR Phổ hồng ngoại (Fourier TransformInfrared Spectroscopy) HSHP Hiệu ... liệu polymer không độc, có khả phân hủy sinh học, bao gồm đơn vị D – glucosamin N – acetyl – D - glucosamin, sản phẩm thu từ trình deacetyl chitin, (chitin thành phần cấu tạo nên lớp vỏ loài giáp...
... isotherms are one ofthe most useful data to understand the mechanism ofthe adsorption and the characteristics of isotherms are needed before the interpretation ofthe kinetics ofthe adsorption ... properties of these composite beads, which can be explained by high coating efficiency by chitosan (high loading of Fe3O4 core, thin layer of chitosan shell) on Fe3O4 particles Therefore, maintaining ... interfaces The pH affects the availability of Pb, Ni ions in solution and the metal binding sites ofthe adsorbent It can be noted that there was an increase in metal uptake along with an increase in...
... Nuclei inthe Cosmos, pp - Các công trình công bố nước [10] N.N.Duy and L.H Khiem (2011), “Feasibility studyof direct measurement of stellar reaction 22 Mg(α, p)25Al”, Communications in Physics, ... [11] N.N.Duy, L.H Khiem and V H Tan (2012), “Investigation of gas gain of GEM-foil used in low energy radioactive beam experiment”, Communications in Physics, Vol 22, No.3, pp 283 - 287 [12] N.N.Duy, ... Report 2009 - the University of Tokyo, pp - [9] D Kahl, A.A.Chen, S Kubono, H Yamaguchi, S Cherubini, N N Duy et al (2012), “Measurement ofthe 30 S+a system for type I X-ray bursts”, XII International...
... predict the response ofthe concentration of Pb(II) and Cd(II) The mean-squared error (MSE) for training was measured at the end ofthe epochs bythe MATLAB program to show the goal ofthe training ... optimization was performed by changing the number of neuron inthe hidden layer, the number of cycle during training and the percentage of learning rate Table shows the MSE values ofthe network with 5–17 ... concentration, the spectrum was scanned inthe wavelength of 350–750 nm A total of 18 spectral reading were obtained Three of these spectra were used for testing the trained network whilst the remaining...
... studies of zinc(II) by modifed chitosan flakes”, Tạp chí Hóa học, 51 (3AB), Tr 62-66 15 Ho Thi Yeu Ly, Vo Quang Mai, Nguyen Mong Sinh (2013), “Adsorption zinc (II) onto modifiled chitosan: thermodynamic ... solution onto modified chitosan: thermodynamic and kinetic studies”, The 2012 international conference on green technology and sustainable development Ho Thi Yeu Ly, Vo Quang Mai, Nguyen Mong Sinh, “Adsorption ... solution by chitosan flakes modified with citric acid via crosslinking with glutaraldehyde” J Chem Technol Biotechnol, (wileyonlinelibrary.com) DOI 10.1002/jctb.4013 12 Ho Thi Yeu Ly, Nguyen Mong Sinh,...
... tro gi m d n theo th t A.H thô > A.H/I Ch ng t : axit humic sau ñư c tinh ch hàm lư ng tro có gi m Tuy nhiên, gi m không ñáng k nên ch d ng l i axit humic tinh ch l n Axit humic ñã tinh ch có hàm ... 2,38% Như v y, trình tinh ch axit humic có k t qu t t 3.1.3.2 K t qu xác ñ nh hàm lư ng h u Hàm lư ng h u c a axit humic tinh ch (A.H/I) ñư c xác ñ nh theo phương pháp Turin (qua l n thí nghi ... y khô 65oC L p l i trình l n Axit humic tinh ch (A.H/I) Xác ñ nh m t s ñ c tính hóa lý Lư ng nư c hút m Hàm lư ng IR, SEM, TG/DTA tro Hình 3.3 Sơ ñ tinh ch axit humic t than bùn 3.1.3 K t qu...
... fusion ofthe cleavable intein tag to N-terminus of a synthetic inhibitor As known, Mr of MCoTI-II is about 3.4kD, hence Mr ofthe obtained recombinant fusion protein should be about 58 kD ( the ... scheme of recombinant MCoTI-II using chitin beads column chromatography The target protein was released from the chitin column when the chitin-bound intein tag undergoes self-cleavage inthe presence ... containing 100àg/ml ampicillin, incubated in shakers at 37oC until the OD600 reached 0.6 Induction by IPTG Expression and purification of recombinant MCoTI-II were followed the manufactures instruction...
... such that the aromatic rings hinder access to the inner cavity The opening ofthe pores on the external surface ofthe dodecamer is lined by Glu140, Arg145, Thr137, and Leu155 These amino acids ... funnel shape ofthe pores and in an increase in their cross-section (Fig 2B) Furthermore, the nature and spatial arrangement ofthe residues lining the pore change with respect to the other Dps family ... with the side chain rotated about 30° inthe direction ofthe Zn(II)-binding sites (Fig 3A,B,D) The DpsA-Te ferroxidase center bears a striking similarity to the catalytic sites ofthe Thermus thermophilus...
... blocking antibodies, restricting cellular egress of viral proteins, further increasing intracellular concentrations of variant envelope proteins, still further increasing the probability of variant ... occurs in 15% of HIV-infected adult patients, and as a major cause of dementia inthe young represents "proof of principle" of virus-caused dementia, raising the possibility other forms of virus ... A: A single amino acid alteration inthe human parainfluenza virus type hemagglutinin-neuraminidase glycoprotein confers resistance to the inhibitory effects of zanamivir on receptor binding and...
... blocking antibodies, restricting cellular egress of viral proteins, further increasing intracellular concentrations of variant envelope proteins, still further increasing the probability of variant ... occurs in 15% of HIV-infected adult patients, and as a major cause of dementia inthe young represents "proof of principle" of virus-caused dementia, raising the possibility other forms of virus ... A: A single amino acid alteration inthe human parainfluenza virus type hemagglutinin-neuraminidase glycoprotein confers resistance to the inhibitory effects of zanamivir on receptor binding and...
... involved in clinical care of patients included inthe data set, conceived ofthe study, collected and analyzed data, and helped draft the manuscript CPB was involved in clinical care of patients included ... included inthe data set and reviewed the manuscript AJS was involved in clinical care of patients included inthe data set and helped draft the manuscript MDC was involved in clinical care of patients ... draft the manuscript TRF was involved in clinical care of patients included inthe data set and reviewed the manuscript Competing interests The authors declare that they have no competing interests...
... 3-[(2-hydroxy-6-methoxyquinolin-3-ylmethylene)-amino]-2- 13 methyl-3H-quinazoline-4-one (kí hiệu HMeOQMAMQ) từ 3-amino-2methylquinazoline-4-one 3-formyl-2-hydroxy-6-methoxyquinoline theo sơ đồ sau: Hình ... rét khác Tiếp sau Quinin, ngƣời ta tìm đƣợc nhiều chất chứa nhân quinolin dùng để chữa bệnh sốt rét, chất điển hình là: Xinkhonin (II), cloroquin (III), plasmoquin (IV) acriquin (V) R1 HO H C R ... vòng poly-8-hydroxyquinolin dùng làm chất kháng virut Alzheimer Các tác giả tổng hợp phối tử bis 8-hydroxyquinolin theo sơ đồ sau: Hình 1.4: Các phối tử bis-8-hydroxyquinolin (a: (CH3COO)2Ni,...
... 3-[(2-hydroxy-6-methoxyquinolin-3-ylmethylene)-amino]-2- 13 methyl-3H-quinazoline-4-one (kí hiệu HMeOQMAMQ) từ 3-amino-2methylquinazoline-4-one 3-formyl-2-hydroxy-6-methoxyquinoline theo sơ đồ sau: Hình ... rét khác Tiếp sau Quinin, ngƣời ta tìm đƣợc nhiều chất chứa nhân quinolin dùng để chữa bệnh sốt rét, chất điển hình là: Xinkhonin (II), cloroquin (III), plasmoquin (IV) acriquin (V) R1 HO H C R ... vòng poly-8-hydroxyquinolin dùng làm chất kháng virut Alzheimer Các tác giả tổng hợp phối tử bis 8-hydroxyquinolin theo sơ đồ sau: Hình 1.4: Các phối tử bis-8-hydroxyquinolin (a: (CH3COO)2Ni,...
... towards the region ofthe PF of interest to the DM Based on the role ofthe DM inthe solution process, In an interactive method, the intermediate search results are presented to the DM to investigate; ... objective space by using a system of straight lines or rays starting from the current estimation ofthe ideal point and dividing the space evenly Each ray is in charge of locating a non-dominated solution, ... region The aggregated point from set of reference points (in case of multi-point) or the reference point is used in optimal process by two ways: replace or combine the current ideal point at the...
... sản xuất hồng cầu, sinh tổng hợp elastin myelin, tổng hợp nhiều hoormon (catecholamin, tuyến giáp, corticoid ), tổng hợp nhiều sắc tố, chuyển hóa sắt lipit Do vậy, đồng chất dinh dưỡng cần thiết ... cao chịu đồng theo DRI chế độ ăn uống người lớn theo nguồn 10 mg/ngày Đối với thực vật đồng (hàm lượng – 20 ppm) - nguyên tố đặc biệt mặt sinh vật học ảnh hưởng trực tiếp đến trình sinh trưởng phát ... ARN, protein, kích thích tố sinh trưởng (auxin); cần thiết cho thị lực, giúp thể chống lại bệnh tật Nhu cầu kẽm hàng ngày khoảng 10 -15 mg người trưởng thành Việc thu nạp nhiều kẽm thể sinh thiếu...
... luận văn Qua em xin cảm ơn Ban giám hiệu trường Đại học Vinh, Ban lãnh đạo khoa Hóa học – Trường Đại học Vinh tạo điều kiện thuận lợi cho em hoàn thành luận văn Cuối cho em xin gửi lòng biết ... cađimi kẽm theo đường chuẩn đo độ màu, phép chuẩn độ tiến hành có mặt murêxit xincon Người ta thêm chất màu dư so với kẽm Phức kẽm với chất màu thị cho cađimi “theo độ lệch đường chuẩn”, theo hai ... 1.1.4.2.3 Phương pháp Neocuproine Ion Cu (II) dung dịch trung tính axit yếu phản ứng với hợp chất 2,9-dimetyl 1,1,10-phenanthroline (Neocuproine) tạo thành phức chất mol Neocuproine liên kết với mol Cu...
... tinh thể thiosemicacbazon glucozơ kết tinh dạng tinh thể màu trắng Rửa tinh thể thu đợc dung dịch hỗn hợp nớc rợu theo tỷ lệ thể tích 1:3 Tiến hành kết tinh lại tinh thể etanol nóng Rửa lại tinh ... Dobson, Adrian Nightingale, Josephine M.peach, Ben shore, David Kerr and Len Sey mour Fluorescence Studies ofthe intra-cellulas distribution of zinc bis (thiosemicarbazon) complexes in unman cancer ... chúng kháng sinh- chốnglại số bệnh tật lĩnh vực trị bệnh học Với hoạt tính nh: kháng khuẩn, chống sốt rét, kháng vi rút kháng u Phức kẽm thiosemicacbazon theo Fluorescence studies ofthe intra-cellular...