modification of nanoparticle surface properties

... levels are the source of added support of charge that changes the sensing properties of the WO3 -based sensors Conclusions The gas sensing properties of pure and indium-doped nanoparticle WO3 thick ... Technical Institute of National Academy of Sciences of Belarus, Minsk, as a researcher, head of the V Khatko et al / Sensors and Actuators B 111–112 (2005) 45–51 Laboratory of Electronic Engineering ... operated at 200 ◦ C in the presence of ppm of NO2 , the responsiveness of the In-doped tungsten oxide sensors was 0.144, 0.347 and 0.188 for indium concentrations of 1.5 wt.% (sensor labelled WIn1...

Ngày tải lên: 19/03/2014, 16:48

... · · · · · 107 107 107 107 107 Presentation of the ELDKWA on surface of infected cells The presentation of the inserted epitope ELDKWA on the surface of infected cells was determined by FACS analysis ... to those of wild-type AcMNPV The titre of AcELD274 was  10 times lower and plaques were considerably smaller In conclusion, efficient surface display of desired epitopes on the surface of baculovirus ... demonstrating the disruption of the epitope of this mouse mAb and the absence of any wild-type gp64 (Fig 3B) Expression of recombinant gp64 in infected insect cells The expression levels of recombinant gp64...

Ngày tải lên: 23/03/2014, 21:21

... by measured surface roughness properties and bearing area curves parameters The results of this work are of important reference value for achieving pipettes with desired surface properties, modeling ... structures of the inner wall were obtained using MeX software Figures and 10 show an FIB-milled pipette and stereo images Table shows inner surface properties of small b m Figure SEM images of pipette ... the very end of pipettes (the last one micron from the tip) without changing other properties of pipettes such as shape and sharpness To observe the importance of surface roughness of pipette on...

Ngày tải lên: 21/06/2014, 03:20

... condition of the surface produced by H termination The simplest situation for the H-terminated surface would be complete passivation of surface states by H (including the “poisoning” of the clean -surface ... problem for SOI), or any other kind of surface disorder, prevents formation of the × surface bands [3] Additionally, the STM image degrades quickly if the clean surface of thin SOI (001) is exposed ... evolution of the sheet resistance of 220-nm Si membranes in dry air for the two surface modifications The data points are averages of several samples The first data points were measured no more Page of...

Ngày tải lên: 21/06/2014, 03:20

... gene of FeLV-945 were shown to redirect the outcome of infection from T-cell lymphoma of the thymus occurring after prolonged latency to a relatively rapid induction of multicentric lymphoma of ... particles bearing the Env protein of FeLV-A/61E or of FeLV-945 A Feline 3201 cells were incubated with equivalent numbers of virus particles bearing the envelope protein of FeLV-A/61E (61E Env) or FeLV-945 ... Page 11 of 17 Table Summary of comparative flow cytometric binding assays performed using soluble SU proteins of FeLV-A/61E, 61E/945-VRB or mutant FeLV-A/61E SU proteins substituted of specific...

Ngày tải lên: 13/08/2014, 01:20

... of MNPs endows the particles with important properties Modification of the surface of MNPs prevents agglomeration of the particles and thus stabilizes the colloidal system Functionalization of ... (Caruso 2001) Surface modification of nanoparticles could be carried out by following methods: a Surface modification with inorganic molecules (Xu et al 1997) 18 Chapter b Surface modification ... Mechanism of magnetic separation 13 2.3 Ferrofluids and its preparation 14 2.4 Magnetic nanoparticles 16 2.4.1 Properties of magnetic particles 17 2.4.2 Surface modification...

Ngày tải lên: 08/09/2015, 19:41

... and the National University of Singapore | ii CONTENTS Acknowledgments i Contents iii Summary ix List of Tables xi List of Figures xii List of Symbols xviii List of Abbreviations xx Introduction ... 3.4.4 Bacteriophage enumeration assay 48 3.4.5 Preparation of the virus surface imprinted nanoparticles 49 3.4.6 Preparation of imprinted nanoparticles using two-stage 3.4 44 50 miniemulsion polymerization ... imprinted memory of viruses was created on nanoparticles A mechanism of imprinting and recognition of viruses through miniemulsion polymerization was presented, and the fabricated nanoparticles...

Ngày tải lên: 09/09/2015, 10:19

... study of the effect of concentration of Au nanoparticles on the emission of UC nanoparticles Study of emission properties, dispersion and stability of Au, PEG and amino modified silica coated UC nanoparticles ... Synthesis and characterization of NaYF4:Yb,Er UC nanoparticles and surface modification of UC nanoparticles by undoped NaYF4 shell coating (Chapter 3) Surface modification of UC nanoparticles by amino ... The mechanism of size-dependent UC properties may be attributed to the surface ligands quenching, surface defects and surface segregation.25 Therefore, surface modification of UC nanoparticles...

Ngày tải lên: 09/09/2015, 10:20

... ENGINEERING AND SURFACE MODIFICATION OF BACULOVIRUS DERIVED VECTORS FOR IMPROVED GENE DELIVERY TO THE CENTRAL NERVOUS SYSTEM YANG YI (B Eng.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... Transduction Capabilities of BV-PEI Vectors……………………… 119 4.3.3 Surface Modification of PEI25k Protect BV Particles against Serum Complement Attack………………………………… 121 4.3.4 In Vitro Studies of BV-PEI25k Vector ... Characterization of Baculovirus Particles…………141 5.1.2 Genetic Engineering of Baculovirus Vectors for Controlled Gene Expression……………………………………………………… 142 5.1.3 Surface Modifications of Baculovirus...

Ngày tải lên: 14/09/2015, 11:28

... effective method for the surface modification of polymer substrate for adhesion promotion purpose (Chan et al., 1996) The effect of plasma treatment on the surface properties of the PI substrate has ... environment Therefore, surface or bulk modification of current membranes was often used to render them with environmental-responsive properties The well-known surface modification methods include ... for some covalent bonds Table 4.2 Effect of surface modification of PI film on the adhesion of the electrolessly deposited copper Table 5.1 Characteristics of the PAAc-g-PAmA and P(PEGMA)-g-PAmA...

Ngày tải lên: 17/09/2015, 17:20

... thank my parents for their profound love and support TABLE OF CONTENTS ACKNOWLEDGEMENTS TABLE OF CONTENTS LIST OF FIGURES LIST OF TABLES LIST OF APPENDICES LIST OF ABBREVIATIONS Chapter 1: Introduction ... electrospinning 14 2.3.3 Modifications of the electrospun nanofibers 19 2.3.4 Potential application of Mesenchymal stem cells for osseointegration 20 Chapter 3: Biomimetic surface modification of dental implant ... roughness of the implant surface owing to the various surface modification techniques were shown in Table 2.1 Table 2.1 Different types of implant surface modifications and their surface roughness and...

Ngày tải lên: 02/10/2015, 12:55

... chiral functionalization of gold nanoparticles…………… …… 112 Figure Chiral modification of MUA-capped gold nanoparticles……………… 112 Figure 4.3 UV/Vis spcectrum of MUA-capped golf nanoparticles……………………113 ... extent of the ligand exchange reaction and yield of esterifications were examined v LIST OF TABLES Chapter Table Assigned peaks in ESI-MS spectra of potassium xanthate………………… 94 Table Size of nanoparticles ... MUA-capped gold nanoparticles Esterification of chiral phosphates with (HO-) MUO-capped gold nanoparticles was conducted in the presence of PPh3/CCl4 as catalyst The effect of chain length of the co-capping...

Ngày tải lên: 03/10/2015, 20:33

... Validation of method 22 2.6 Surface model 22 Introduction of antimony 25 3.1 Properties of bulk phase ATO 26 3.2 Preferred doping site of antimony 30 3.3 Geometrical properties of ATO surface 32 ... segregate on the surface of nanoparticles [15, 43, 48] and films [42, 49-51] The preference for Sb to be located on the nanoparticle surface has huge implications for surface modifications as surface ... site of interest with regards to surface reactions 3.4: Electronic properties of ATO surface As the degree of surface relaxation between the pure SnO and Sb doped SnO2 system is very similar, surface...

Ngày tải lên: 06/10/2015, 21:06

... temperature [39] 2.2.4 Surface modification of magnetic particles In the absence of any surface modification, magnetic nano-sized particles exhibit hydrophobic surfaces with a large surface area to ... the magnetic properties of the particles [39] Coating also can increase surface area to volume ratio of nano-sized magnetic particles Therefore, surface modification of magnetic nanoparticles ... These would provide a better comprehension of advantages in surface modification of magnetic nanoparticles and further broaden the other possibility of their application for environmental protection...

Ngày tải lên: 12/10/2015, 17:36

... presents the results of nanofibrous surface modification of PCL membrane in terms of surface characterization and cell behavior studies The results showed that uniform nanofibrous topology were ... first summarized success of nanofibrous surface modification on ultra-thin PCL membrane With the consequent serial of changes due to the modification, a better ECM-mimic surface was achieved, so ... affinity of PCL membrane is insufficient Cells are prone to be detached from the membrane 2.5 Surface modification With the background of insufficient cell affinity on the PCL surface Surface modification...

Ngày tải lên: 26/11/2015, 22:40

... biofilm Amounts of added inhibitors were DCMU (an inhibitor of photosynthesis of phytoplankton) mg, ATU (an inhibitor of respiration of nitrifying bacteria) mg, and nystatin (an inhibitor of ... Observation of aquatic biota Investigation of the biota was performed at each point of the both channels in October 2000 Preprocessing of each sample was performed by extracting a 20 cm section of bricks ... and VSS of the suspended sample were also measured Measurement of oxygen production/uptake rate of biofilm An appropriate amount (that will make the VSS after measurement 35 ± 10 mg) of the suspended...

Ngày tải lên: 05/09/2013, 08:40

... availability of precursors for an introduced pathway, the choice of the right gene to engineer in the case of multigene families, understanding of related competing pathways, prediction of spillover ... specificity of the pathway, availability of tissue-specific promoters, knowledge of the inter- and intra-cellular transport mechanisms for intermediates and end-products of the pathway, and knowledge of ... pigmentation of fruits of these mutants is due to significantly elevated levels of chlorophylls at most of their 314 I Levin pre-mature developmental stages The mature ripe-red fruits of these mutants...

Ngày tải lên: 25/10/2013, 05:20

... where an interaction of the tidal regimes of the South Chinese Sea and of the Gulf of Thailand eliminate each other Here, the tidal amplitude is less than 10 cm Because of its lower elevation ... water TCVN 5944 –1995 (see table 3) The results of the analyses of the surface water samples were compared to the Vietnamese standards for the use of surface water for drinking water purposes TCVN ... usage of surface water should be minimized despite of its suitability for drinking water purposes Here, it can be expected that the surface water quality is going to be worsened because of its...

Ngày tải lên: 16/01/2014, 17:20

... identify the significance of interaction terms of individual SNP and pollutant The current version of MTP allows one to identify the significance of a group of candidate variables to reduce the false ... rate meanwhile adjusting for a group of fixed covariates We used MTP to identify the significance of the group of interaction terms Because the current version of MTP in R can only include one term ... variants of the significant genes identified by MTP with significant interactions using the bootstrap method with the combination of coefficients of the main effect and the interaction [6] Page of...

Ngày tải lên: 17/02/2014, 22:20