Development of novel chiral stationary phases for HPLC based on covalently bonded polysaccharide derivatives
Development of novel chiral stationary phases for HPLC based on covalently bonded polysaccharide derivatives
... DEVELOPMENT OF NOVEL CHIRAL STATIONARY PHASES FOR HPLC BASED ON COVALENTLY BONDED POLYSACCHARIDE DERIVATIVES ZHANG SHENG (B.Sc., Peking University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR ... chloroform-containing, dichloromethane-containing, tetrahydrofurancontaining mobile phases, as well as standard IPA-hexane mobile phases vii List of Tables Table...
Ngày tải lên: 14/09/2015, 08:40
Novel chiral stationary phase for the enantioseparation of racemic drugs 1
... Experimental 13 9 7 .1 General 14 0 7 .1. 1 Materials 14 0 7 .1. 2 Instrumentation 14 0 7 .1. 3 Packing of CSPs 14 1 7 .1. 4 HPLC Instrumentation 14 1 7 .1. 5 Basic Chromatography Parameters 14 2 7.2 Preparation of Ether-linkage ... Conclusion 10 3 References 10 5 Chapter Effects of Spacer Length 10 6 iv 5 .1 Introduction 10 7 5.2 Normal Phase 10 9 5.3 Reversed Phase...
Ngày tải lên: 16/09/2015, 17:13
Novel chiral stationary phase for the enantioseparation of racemic drugs 2
... 1 .22 1 .24 1. 12 1.33 1.56 0.93 3C6C11C- 2. 58 4 .21 1.46 3.63 5.83 1.75 1.40 1.44 1 .20 2. 17 2. 25 1.13 3C6C11C- 6.50 9.57 4.18 8 .29 12. 45 5.31 1 .28 1.30 1 .27 1.68 1.71 1.70 3C6C11C- 3. 92 5.83 2. 35 ... 13.08 27 .69 8.79 1.44 1.53 1.30 3 .26 2. 69 1.81 3C6C11C- 2. 42 4.50 1.50 1.53 1.57 1 .29 2. 80 2. 46 1.05 3C6C11C- 16.50 28 .00 9.67 21 .50 34 .22 11.33 1.30 1. 72 1.1...
Ngày tải lên: 16/09/2015, 17:14
Novel chiral stationary phases (CSP) for enantioseparation processes
... NOVEL CHIRAL STATIONARY PHASES (CSP) FOR ENANTIOSEPARATION PROCESSES CHEN LEI (MSc) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHYLOSORPHY DEPARTMENT ... chromatographic techniques Enantioseparation by HPLC includes two major parts: chiral stationary phases (CSPs) and chiral mobile phase additives (CMPAs) 1.3.1 Chiral stationary phases (CSPs) Chiral H...
Ngày tải lên: 17/09/2015, 17:18
A Development of Novel Integral Method for Prediction of Distorted Inlet Flow Propagation_2 docx
... rise of compressor are investigated to study the effects of inlet parameters on the compressor performance and characteristics Figure 4.16 indicates that a smaller inlet flow angle causes a higher ... vertical distorted velocity coefficient propagates along axial direction at higher inlet incident angles, θ ≥ 25° In Fig 4.6, smaller inlet incident angle induces a larger...
Ngày tải lên: 21/06/2014, 21:20
development of novel nitric oxide releasing materials and polymeric coatings for blood contacting biomedical applications
Ngày tải lên: 14/11/2014, 08:07
development of novel micro-embossing methods and microfluidic designs for biomedical applications
... devices for BioMEMS applications The emphasis is on the development of new hot embossing techniques, the design of microfluidic functions and biocompatible packaging methods for polymeric microfluidic ... design and implementation of necessary microfluidic functions; integration of these functions with complete automation; and development of cost-effective ma...
Ngày tải lên: 14/11/2014, 13:26
ENANTIOSEPARATION OF CHIRAL DRUGS IN LIQUID CHROMATOGRAPHY WITH ANTIBIOTIC CAPPED MACROCYCLE BONDED SILICA PARTICLES AS CHIRAL STATIONARY PHASES
... classification of chromatography is made in terms of the physical state of phases employed during separation When the mobile phase is a gas, this kind of separation techniques is known as gas chromatography ... and Evaluation of (Rifamycin-Cyclofructan-6)-2-Hydroxypropoxysilyl appended Silica Particles as Chiral Stationary Phases for High Performance Liquid...
Ngày tải lên: 09/09/2015, 08:12
Development of novel chitosan based hollow fiber membranes for applications in water treatment and bioengineering
... DEVELOPMENT OF NOVEL CHITOSAN- BASED HOLLOW FIBER MEMBRANES FOR APPLICATIONS IN WATER TREATMENT AND BIOENGINEERING HAN WEI (B Eng., Tianjin University) A THESIS SUBMITTED FOR THE DEGREE OF ... of CS -based adsorptive hollow fiber membranes The hollow fiber membranes developed will then be studied for the application of wastewater treatment...
Ngày tải lên: 14/09/2015, 08:49
Development and application of novel capillary electrophoresis techniques for analysis of DNA fragments and organic pollutants
... focused on the analysis of DNA fragments; and the second part (chapter and chapter 5) focused on the analysis of organic pollutants Several novel capillary electrophoresis (CE) techniques had ... various applications, the CE applications in DNA analysis and monitoring of pollutants are of significant importance 1.3.1 CE Application in DNA Analysis...
Ngày tải lên: 14/09/2015, 11:40
Development of novel positively charged single isomer cyclodextrins and applications in enatiomeric separation and chiral synthesis 1
... Chapter Synthesis of positively charged single- isomer cyclodextrins 33 Approached for cyclodextrins 33 2 Synthesis of single- isomer positively charged cyclodextrins 37 2 Synthesis ... ability of β-CDNH2 11 0 Effect of pH and CD concentration on EOF 11 1 Effect of pH on migration times 11 2 3 Effect of pH on enantioseparation of acid analytes ……...
Ngày tải lên: 16/09/2015, 08:30
Development of novel positively charged single isomer cyclodextrins and applications in enatiomeric separation and chiral synthesis
... Structures of 21 positively charged single- isomer CDs 37 2 Synthesis of positively charged single- isomer cyclodextrins All mono-substituted positively charged CDs are prepared according to the ... above, the key aim of this project focuses on the development of a novel family of positively charged single- isomer CDs and their application in the...
Ngày tải lên: 16/09/2015, 08:30
Part development of novel methods for the synthesis of homoallylic alcohols part II multigrams synthesis of ( ) epibatidine
... 25 25 25 Time (h) 2.0 5.0 6.0 1.5 5.0 2.0 Yield %b (1 03:10 4) (E/Z)c 25 (1 00: 0) (8 0/2 0) 23 (1 00: 0) (8 0/2 0) 25 (7 6:2 4) (8 0/2 0) 45 (1 00: 0) (8 0/2 0) 49 (1 00: 0) (8 0/2 0) 69 (1 00: 0) (8 0/2 0) 105 105a 105b ... Yield 9a (% ) ( : ) (E/Z) 15 (7 5:2 5) (1 00/ 0) 22 (2 3:7 7)...
Ngày tải lên: 16/09/2015, 17:11
Synthesis of crown ether and cyclam capped beta cyclodextrin bonded silica particles and their application as chiral stationary phases in liquid chromatography
... the Synthesis of Bonded Chiral Stationary Phases for Liquid Chromatography 1.3.1 Types of Chiral Stationary Phases for Liquid Chromatography 1.3.2 Preparation of β -Cyclodextrin Type of Chiral Stationary ... with Crown Ether- capped β-CD -bonded Phases and Cyclam- capped β-CDbonded Phases 124 5.4 Concluding Remarks 128 5.5 References 129 CHA...
Ngày tải lên: 17/09/2015, 17:19