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

... 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

... 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

... 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

... 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

... 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

... sensitivity of the original search strategy for membrane proteins that are related to AChRs only by function Candidate LGICs retrieved by the search strategy Fig Hydropathy profiles of four proteins ... symporters is reflected in a characteristic pattern of peaks in their hydropathy profiles (A) The hydropathy profile of a rat dopamine symporter reveals a pair o...

Ngày tải lên: 17/03/2014, 23:20

... inner linear region of Araf-(1 fi 5) -a- Araf and of branched non-reducing terminal Ara6 motifs: Arafb1 fi 2Arafa1 fi 5(Arafb1 fi 2Arafa1 fi 3)Arafa1 fi 5Arafa1 About two-thirds of the terminal b-Araf and ... [3 5–3 7], water-soluble activated forms of d-arabinose, Scheme The original scheme of biosynthesis of D-arabinofuranosyl residues of the cell-wall arabinogalactan and lipoa...

Ngày tải lên: 30/03/2014, 04:20

... the lack of a satiety signalling, whereas no change in food intake was detected in the B [a] P-treated animals In addition, the absolute values of leptin in control and B [a] P-treated animals were ... Results are shown as the average weight gain every days ± SEM rine-induced lipolysis Chronic (15 day) B [a] P exposure caused a significant weight gain and increa...

Ngày tải lên: 30/03/2014, 11:20

... Perfect match primers (forward: 5Â-ATGGCGTGCC AAGTTGATAA-3Â; reverse: 5Â-TGCTGTCTGTAACCA CACA-3Â) were designed and PCR was carried out with a P falciparum gametocyte cDNA as a template; the forward ... falciparum This result, and the fact that PfPlrx was amplied from a cDNA library, indicate that the gene is transcribed and the protein is present in blood-stage forms of the parasite...

Ngày tải lên: 31/03/2014, 07:20

... BOOTSTRAP METHODS FOR MARKOV PROCESSES INTRODUCTION This paper describes a bootstrap procedure for data that are generated by a (possibly higher-order) Markov process The procedure ... some distribution Standard methods can be used to implement the bootstrap, and the sieve bootstrap is not needed Sieve methods have not been developed for nonlinear processes such as...

Ngày tải lên: 08/04/2014, 12:27

... 1.0, replicates a 3.5 hour attack scenario in which a trainee attacker starts a Distributed Denial of Service (DDOS) attack against a raw adversary The second data set, LLS DDOS 2.0.2, is a two hour ... 0.2 K- Means ID3 K- Means ID3 K- Means+ID3 K- Means+ID3 Fig Performance of K- Means, ID3, K- Means+ID3, and the KPrototype+ID3 over the NAD 1998 test data set Fig Performance o...

Ngày tải lên: 06/06/2014, 20:56

... the optimal locations for sensors In addition, processing algorithms for extraction of patterns from gathered data are required, as well as wearable and wireless hardware to allow the data to be ... University of Bath, England, showed that the stress-strain profile of the unadulterated PU foam sample and that of the PPy-coated PU foams sample were similar showing regions of...

Ngày tải lên: 19/06/2014, 10:20