Development and applications of novel liquid phase microextraction techniques

... fiber-protected liquid- phase microextraction Headspace -liquid- phase microextraction Local anaesthetics Liquid chromatography Liquid- liquid extraction Liquid- liquid -liquid microextraction Limits of Detection ... 1.1 Historical Development of Microextraction Techniques 1.2 Principles and Applications of SME and Membrane-Based LPME Techniques 1.3 Hyphena...

Ngày tải lên: 16/09/2015, 17:11

... DEVELOPMENT AND APPLICATIONS OF NOVEL SOLVENT- MINIMIZED TECHNIQUES IN THE DETERMINATION OF CHEMICAL WARFARE AGENTS AND THEIR DEGRADATION PRODUCTS LEE HOI SIM NANCY (M.Sc.), NUS A THESIS ... determination of various chemical warfare agents and their degradation products This approach allows the miniaturization of the extraction proc...

Ngày tải lên: 14/09/2015, 14:08

... DEVELOPMENT OF LIQUID- PHASE MICROEXTRACTION TECHNIQUES COMBINED WITH CHROMATOGRAPHY AND ELECTROPHORESIS FOR APPLICATIONS IN ENVIRONMENTAL ANALYSIS by ZHANG JIE (M.Sc.) A THESIS SUBMITTED FOR ... chromatography LC liquid chromatography LGLME liquid- gas -liquid microextraction LLE liquid liquid extraction LLLE liquid- liquid -liquid microextract...

Ngày tải lên: 14/09/2015, 11:45

... drop -in- drop system The aqueous phase of the outer drop contained the analyte of interest and was continuously delivered and aspirated away throughout the sampling The analytical response of the instrument ... involves the use of hollow fiber combination with liquid- phase microextraction It can be categorized into two- ii phase microextraction, and thr...

Ngày tải lên: 17/09/2015, 17:20

... logarithm of K+ concentration (inset of a) and logarithm of Na+ concentration (inset of b) S = electrode slope towards the logarithm of the relevant cation concentration Reproduced with permission from ... separation -based applications [30–32] As a continuation of the work on the Pt-coated nanoporous alumina membrane electrode, the direction of my honors year research pr...

Ngày tải lên: 10/09/2015, 09:13

... 0.5, and (e) 1.0 mM of Pb2+ and (f) 1.0 mM of Ca2+ 33 Figure 2-8 DLS data of µM of ZnCdSe (λmax = 469 nm) treated with (a) 0, (b) 0.1, (c) 0.25, (d) 0.5, and (e) 1.0 mM of Pb2+ and (f) 1.0 mM of ... excited at 345 nm ml of µM of ZnCdSe (λmax = 469 nm) was added to ml of 0.1, 0.25, 0.5 and 1.0 mM of Pb2+ ions ml of deionized water and 1.0 mM of Ca2+ were use...

Ngày tải lên: 11/09/2015, 09:02

... a special case of target acquisition and targeting The main challenge of vision- based landing is altitude change, which significantly change the scale of landmarks in image Therefore, vision algorithms ... The vision- based landmark detection algorithm was used to generate a landmark -based map with GPS/INS signals when GPS signals were available If GPS signals were lost,...

Ngày tải lên: 11/09/2015, 09:58

... 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

... 1905 DEVELOPMENT AND APPLICATIONS OF NEW SLIDING MODE CONTROL APPROACHES BY PAN YA-JUN (M.Eng Zhejiang Univ.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL AND ... is in the sliding mode and the first-order filter possesses an infinite bandwidth The concept of the equivalent control is described as follows While in sliding...

Ngày tải lên: 17/09/2015, 17:18

... two hard microstamping methods are reported They include hard stamping of catalytic nanoparticles and hard stamping of thin metal films 3.1 Hard Stamping of Pd/PVP Nanoparticles Hard stamping of ... examining and explaining the principles, materials, and limitations of this new class of patterning techniques, and demonstrating their ability to form patterns an...

Ngày tải lên: 04/10/2015, 15:46

... DEVELOPMENT OF IONIC LIQUID BASED LIQUID PHASE MICROEXTRACTION, AND ZEOLITE IMIDAZOLATE FRAMEWORKS BASED SORBENT PHASE BASED MICROEXTRACTION COMBINED WITH CHROMATOGRAPHY FOR APPLICATIONS IN ENVIRONMENTAL ... rapid development This thesis reports the development and application of ionic liquids (ILs) for liquid phase microextrac...

Ngày tải lên: 09/09/2015, 10:18

... Three -phase hollow fiber- protected liquid- phase microextraction techniques combined with HPLC analysis 42 2.1 Orthogonal array designs for the optimization of static three -phase hollow fiber- protected ... the hollow fiber This thesis reports on the development and application of hollow fiber- protected LPME techniques to trace organic analysis...

Ngày tải lên: 12/09/2015, 08:20

... INVESTIGATION OF NEW PROPERTIES AND APPLICATIONS OF QUADRUPLEX DNA AND DEVELOPMENT OF NOVEL OLIGONUCLEOTIDEBASED TOPOISOMERASE I INHIBITORS WANG YIFAN (B.Sc., Soochow University, China) ... 1.3.1 Discovery of i- Motif Form of DNA 11 1.3.2 Stoichiometries and Topologies of i- Motif DNA 11 ii 1.3.3 Possible Biological Role of i- Motif Structure...

Ngày tải lên: 11/09/2015, 16:04

... Al-containing Zr- beta zeolite 37 2.1.4 Synthesis of Ti -beta zeolite 37 2.1.5 Synthesis of Al- and Sn -beta zeolites 38 2.1.6 Synthesis of Al -beta sample in basic medium 38 2.1.7 Synthesis of Zr- SBA-15 ... zeolite beta in fluoride medium 1.2.3 Incorporation of other metal elements into zeolite beta 1.2.4 Synthesis mechanism of zeolite...

Ngày tải lên: 16/09/2015, 17:12

... LIQUID- PHASE MICROEXTRACTION FOR THE DETERMINATION OF ACIDIC DRUGS AND β -BLOCKERS IN WATER SAMPLES EE KIM HUEY (B.Sc (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE ... thanks to Xiaofeng for her insight to the project; Junie for proofreading this thesis; Elaine and Debbie for their friendship during the course of this pro...

Ngày tải lên: 10/11/2015, 11:00