Enzymatic preparation of microbial polyester based novel block copolymers as thermoplastic biomaterials

... ENZYMATIC PREPARATION OF MICROBIAL POLYESTER- BASED NOVEL BLOCK COPOLYMERS AS THERMOPLASTIC BIOMATERIALS DAI SHIYAO (M Eng., Zhejiang University, China) A THESIS SUBMITTED FOR THE DEGREE OF ... Enzymatic Modification of PHB 54 2.3 Candidates for Microbial PHB -based Block Copolymers 55 CHAPTER ENZYMATIC PREPARATION OF NOVEL THERMOPLASTIC DI -BLOCK...

Ngày tải lên: 12/09/2015, 10:42

... PVDF-SPS composite membrane Table shows the water uptake of the pristine PVDF membrane, the PVDF-PS membrane and the PVDF-SPS composite membrane The blending of PS polymer reduces the water uptake of ... of the PVDF-SPS membrane: (a) C1s, (b) O1s, (c) S2p 3.4 Morphology of the PVDF-SPS composite membrane The morphologies of the pristine PVDF...

Ngày tải lên: 05/09/2013, 16:11

... in the presence of inhibitor, v0 is the initial velocity in the absence of inhibitor but with (2%) dimethylsulfoxide The IC50 value was determined by tting the percent inhibition versus inhibitor ... substrate binding [17], highlighting their signicance In SpsB, it is also likely that one or more of the amino acids immediately preceding the catalytic serine form a part o...

Ngày tải lên: 07/03/2014, 01:20

... This novel sonochemical synthesis of metal oxides could be explored as an alternate way to make metal oxide based Bhasmas Though the palladium based metal oxides may be used directly as dental materials, ... either as pure metallic palladium Pd (0) or as palladium salts such as palladium acetate and palladium nitrate Ethanol was used as the reducing agent to synthesise...

Ngày tải lên: 11/06/2014, 12:29

... angles on nanoporous alumina AK and CE participated in the design of the study and coordination of the work All authors contributed to interpretation of the results and drafting of the manuscript and ... technological applications Additional material Additional file 1: Water contact angles on alumina surfaces Contact angles of the water droplets on HMDS-modified th...

Ngày tải lên: 21/06/2014, 01:20

... viscosity, thermal conductivity, and thermal oxidation stability of the nanofluids are also investigated Experimental Materials and preparation of ligand All the materials and solvents used in this ... r and ν are the density and kinematic viscosity of the nanofluid, respectively, at the same temperature Measurements of the thermal conductivities of Cu nanofluids were pe...

Ngày tải lên: 21/06/2014, 03:20

... diffusion of the drug from inner phase and then slower release Nevertheless, the release rate of mixed micelles was faster than that of CLE before the first 12 h, the release rate of the two formulations ... micelle size of about 101 nm and PDI of 0.12 as shown in Figure The LC of mixed micelles was about 32.4%, and the content of propofol in the preparation wa...

Ngày tải lên: 21/06/2014, 04:20

... makes carbonization reaction more intense Formation Mechanism The formation mechanism of hollow carbon nanospheres was also explored At first, the formation of carbon spheres was a nucleation and ... temperature was a key factor in the preparation of carbon nanospheres through dehydration, aromatization, and carbonization At lower temperatures, the energies of intermo...

Ngày tải lên: 22/06/2014, 00:20

... on inflammatory cytokines (IL-6 and TNF-α) In order to determine whether adjuvants exert any effects on induction of inflammatory cytokines, such as IL-6 and/ or TNF-α, the levels of these cytokines ... Figure Efficacy of adjuvants in sustaining antibody response induced Efficacy of adjuvants in sustaining antibody response induced BALB/c mice in groups of or...

Ngày tải lên: 11/08/2014, 10:23

... cells Since induction of cytolytic effector cells is pivotal in ensuring the success of tumor vaccines, we investigated relative efficacy of phytols and known adjuvants in their ability to augment ... Induction of autoantibodies by adjuvants J Autoimmun 2003, 21:1-9 Lim S -Y, Bauermeister A, Kjonaas RA, Ghosh SK: Phyol-Based Novel Adjuvants in Vaccine Formulation:...

Ngày tải lên: 11/08/2014, 10:23

Ngày tải lên: 11/08/2014, 10:23

... Mimeault and Batra: Potential applications of curcumin and its novel synthetic analogs and nanotechnology-based formulations in cancer prevention and therapy Chinese Medicine 2011 6:31 ... New synthetic analogs of curcumin A potential strategy to enhance the anticarcinogenic efficacy and overcome the high physical and metabolic instability and...

Ngày tải lên: 13/08/2014, 14:20

... around and branch out from the central theme of the doctoral research project, i.e the preparation and use of P4VP -based nanoadsorbents for palladium adsorption, as well as their separation and recovery ... nanoparticles The physical properties of the P4VP -based nanoparticles will be examined and their adsorption performance will be investigat...

Ngày tải lên: 10/09/2015, 15:54

... and solubility of chitin 13 1.2 The Application of Chitin and Chitosan .14 1.3 Overview of the Chemical Derivatization of Chitin and Chitosan .16 1.3.1 Hydrolysis of chitin ... alkali chitin as precursor The preparation of carboxymethyl -chitin (CM -Chitin) is also an extension from the 19 preparation of carboxymethyl-cellulose (CM-cellulose) Similar with prepara...

Ngày tải lên: 15/09/2015, 17:10

... matrine, supporting the further development of this novel delivery system for cancer therapy Materials and Methods Preparation of RGD-modified long circulating liposome (LCL) loading matrine (RGD-M-LCL) ... when the liposomes were reconstitutes in solvent Because matrine is a strongly hydrophilic and weakly alkaline drug, the encapsulation efficiency of liposomes for...

Ngày tải lên: 26/10/2012, 08:57