purification of beta galactosidase from escherichia coli by affinity chromatography 16

... THESIS SUBMITTED FOR THE DEGREE OF MASTERS OF ENGINEERING DEPARTMENT OF CHEMICAL & BIOMOLECULAR ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2010 National University of Singapore ACKNOWLEDGEMENTS ... Types of Silsesquioxane National University of Singapore ii Table of Contents 2.2.2 Properties of POSS .10 2.2.3 Researches’ on POSS as an Additive 12 2.2.4 Applications of ... 3.3.1.1 Synthesis of G0-HEMA with two branches 33 3.3.1.2 Synthesis of G0-HEMA with Quaternary Amine 35 National University of Singapore iii Table of Contents 3.3.1.3 Synthesis of G0-HEMA with...

Ngày tải lên: 16/10/2015, 11:58

... on days and of each week, followed by paclitaxel 75 mg/m intravenously on day of each week with an 8-week cycle (Arm B) Each 8-week course consisted of weeks of treatment followed by a 2-week ... A patients on day of cycles 2, 4, and as well as completion of treatment; for Arm B patients, on day 22 of cycle and day of cycles and and completion of treatment In the case of missing responses ... proportion of patients responding by months PSA response was defined as PSA decline from baseline value by ≥ 50%, or Page of normalization of PSA (

Ngày tải lên: 18/06/2014, 16:20

... mechanisms of various toxic ions in aqueous solutions by using silica-based sorbents [1-4] The adsorption reaction of a metal ion onto a metal (hydr)oxide surface is explained in terms of surface ... binding to Fe and/or in coordination with Fe by direct substitution of OH and Cl on Fe sites [10] TiO2coated SiO2 synthesized by hydrolysis and condensation of various silicate and titanate precursors ... and/or ≡Si-O-EuIII, depending on the pH of the prepared solutions [12] The enhanced adsorption of Eu(III) onto the silica coated by Ti(IV) is partially confirmed by observing the increase in fluorescence...

Ngày tải lên: 20/06/2014, 23:20

... Page of 10 Figure SEM image of InP after h of electrophoretic deposition of Pd NPs The scale 100 nm is shown with the bright bar at the bottom of the image flow Flows of four gas blends H 2/N2 from ... consists of two parts: faster, just after the change from H2 to air exposure and a slower tail consisting of about 10% of recovering current change at the end, caused probably by slow release of H2 from ... graphite layer consists of irregular particles of dimensions of μm order -of- magnitude A cognate image of graphite contact on GaN can be seen in the left upper corner of Figure Likewise in this...

Ngày tải lên: 21/06/2014, 01:20

... culture supernatants and purified by affinity chromatography with γ-bind plus affinity gel matrix (Pharmacia, Uppsala, Sweden) The IgG content was determined by freeze-drying The antibody solutions ... was prepared by mixing equal concentrations of each of the sterile filtered antibody solutions to get a final amount of mg Mice were injected intravenously twice with 0.25–0.4 ml of antibody solution, ... development Development of clinical arthritis was followed by means of visual scoring of the mice Mice were examined daily or on alternate days for arthritis development until the end of the experiment...

Ngày tải lên: 09/08/2014, 01:24

... Number of patients 16 * 15 * The primary endpoints were treatment response, overall survival, and time to relapse Time to relapse was defined from the date of entry into the study to the date of ... relapse at the end of radiation therapy, which is approximately months and half from the date of entry Disease free survival was defined as alive with no evidence of disease at the time of last follow-up ... follow-up or dead without evidence of disease Survival was calculated from the date of entry to the date of death or last follow-up Cumulative survival rates was estimated by the KaplanMeier method and...

Ngày tải lên: 09/08/2014, 09:20

... 13C-NMR From the spectra of the model compounds, the different peaks in the spectra of the hyperbranched polymers can be assigned The degree of branching is calculated from the integrals of the ... greatly affected by the structure of the end-groups where an increase in the polarity of the end-groups can raise the viscosity by several orders of magnitude [118] (Fig 10) This is of great importance ... of using a solid support was further explored by Moore and Bharathi [50] The concept of constructing hyperbranched polymers (polystyrenes) by a “graft-on-graft” technique was first described by...

Ngày tải lên: 13/08/2014, 08:21

... component of force on unit i ratio of the quadratic radius of gyration of a branched chain to that of a linear chain of the same molecular weight gG ratio of the quadratic radius of gyration of a ... chain to that of a Gaussian linear chain of the same molecular weight gn number of generations in a dendrimer g' ratio of the viscosity of a branched chain to that of a linear chain of the same ... n-1 number of bonds between two units nb number of beads in a blob nbc number of bonds of a given unit nc number of chains in a simulation box next number of external blobs nS number of units within...

Ngày tải lên: 13/08/2014, 08:21

... 153 153 153 154 155 155 159 161 162 163 165 169 115 Solution Properties of Branched Macromolecules Generalized Ratios ... extent of reaction a of a functional group is dened as the ratio of the number of reacted functionalities [At] to the total number of reacted and non-reacted functionalities [Ao]: a= [ ] [ ] No of ... adequate method of representation of the average structure is that of rooted trees Figure shows three examples of such rooted trees [53] The treatment of random branching is often called the...

Ngày tải lên: 13/08/2014, 08:21

... linear polymers via the passage of free ends out of deformed tube segment, is now modied in star polymers by the potential of Eq (16) Apart from small displacements of the end, the diffusion to ... weight of the star arm is rather low, this period of relaxation by uctuation is generally interrupted by the reptation of the linear polymers This happens when the centre of mass diffusion of the ... higher modes modify the prediction from that of a single-mode Maxwell model, but only to the extent of reducing the form of G(w) to the right of the maximum from ~w1 to ~w1/2 In fact, experiments...

Ngày tải lên: 13/08/2014, 08:21

... muscles [18] Further, the side of LLAA significantly correlated with the side of the QL muscle quickest to fatigue One of the causes of increased susceptibility of muscles to fatigue is hypertonicity ... leg" tests – unreliable as a measure of anatomic LLI [14] Unloaded LLAA is suspected to result from hypertonicity of suprapelvic muscles [15-17] In a study of subjects with and without supine ... alignment asymmetry as a sign of "neuromuscular dysfunction" is a clinical test commonly used by chiropractors [2,3] Given the frequent use of this test as an indicator of a functional problem, it...

Ngày tải lên: 13/08/2014, 13:22

... point of view is that of a former uni- Fig Development of models The Morphology of Filamentous Fungi versity professor, who started research after the morphology of moulds in 1971 and – inspired by ... survey of the main lines of development of a very interesting area of biotechnology research based on a limited number of characteristic publications These have been selected on the basis of their ... vacuoles [16] , and the staining of parts of the hyphae, in order to differentiate various physiological states of the hyphae by Pons and Vivier [17] Although the speed and accuracy of the measurements,...

Ngày tải lên: 08/08/2012, 09:49

Ngày tải lên: 13/08/2012, 16:32

Ngày tải lên: 16/08/2012, 09:03

... bảng mã (character code) Bảng mã byte: Trong bảng mã byte ASCII, ký tự biểu diễn byte Chúng biểu diến tối đa 256 ký tự (kể ký tự hiển thị ký tự điều khiển) Bảng mã byte thích hợp với ngôn ngữ tiếng ... (encoding) dạng: UTF-8 (8 bit), UTF -16 (16 bit) UTF-32 (32 bit) Trong UTF-8 (Unicode Transfomation Format -8) sử dụng phổ biến Mỗi ký tự Unicode mã hóa UTF-8 biểu diễn đến byte tùy thuộc vào giá trị mã ... password=request.form("password") openConn sql="select * from tblUser where username='"&username&"' password='"&password&"'" set rs=server.createobject("adodb.recordset") rs.open sql,conn if not rs.eof then ‘login thành công...

Ngày tải lên: 16/08/2012, 14:00

... xí nghiệp nhập xuất kho phải đánh giá theo hai giá giá thực tế giá hạch toán Đây yêu cầu thiếu 16 công tác hạch toán Nhưng thực tế thành phẩm xí nghiệp đánh giá theo giá thực tế việc nhập xuất...

Ngày tải lên: 16/08/2012, 14:15

... bx) { t = dx; dx = bx; bx = t; } if (dy > by) { t = dy; dy = by; by = t; } 45 c[i] = new HCN(dx, dy, bx, by) ; Insert(dy); Insert (by) ; } } // Tim nhi phan gia tri v y[0 m-1] static public int ... < j) QSortByx1(s, j); if (i < e) QSortByx1(i, e); } } // Hcn public struct HCN { public int x1,y1,x2,y2; public HCN(int dx, int dy, int bx, int by) { x1 = dx; y1 = dy; x2 = bx; y2 = by; } } } ... dy, bx, by, t; m = 0; y = new int[2*n]; for (int i = 0; i < n; ++i, j += 4) { dx = v[j + 1]; dy = v[j + 2]; bx = v[j + 3]; by = v[j + 4]; if (dx > bx) { t = dx; dx = bx; bx = t; } if (dy > by) {...

Ngày tải lên: 17/08/2012, 08:54