Development of liquid phase microextraction techniques combined with chromatography and electrophoresis for applications in environmental analysis

... 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 microextraction LODs limits of detection LPME liquid- phase microextraction ... microextraction techniques and solvent-based microextraction techniques A comparative analysis of several main developments of microextraction techniques is list in Table 1-2 1.3.1 Sorbent -phase microextraction...

Development of ionic liquid based liquid phase microextraction, and zeolite imidazolate frameworks based sorbent phase based microextraction combined with chromatography for applications in environmental analysis

... 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 microextraction (LPME) and zeolite imidazolate frameworks (ZIFs) for sorbent phasebased ... 1.4 Objective and scope of the study………………………………………………21 Section Ionic Liquid- based Liquid Phase Microextraction …………………… 25 Chapter Ionic liquid based liquid phase microextraction of UV filters………….31...

Development and application of liquid phase microextraction techniques in the analysis of environmental pollutants

... 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 three -phase microextraction or liquid- liquid -liquid microextraction ... aspiration of the ASP, following the first sampling cycle, ensures that both the OF and the ASP are periodically renewed, and thus the OF would be in contact with fresh aqueous sample having the initial...

báo cáo hóa học:" Accuracy of biplane x-ray imaging combined with model-based tracking for measuring in-vivo patellofemoral joint motion" doc

... associated with existing methods for measuring PF joint motion, our laboratory has developed a new model-based tracking technique for measuring in-vivo 3D joint motion The purpose of the study ... their techniques for measuring in-vivo PF joint motion For example, Sheehan and colleagues used a geardriven phantom object to assess the 3D accuracy of cine Table 2: Accuracy of the model-based technique ... magnitude of joint motion, and the velocity of joint motion Although we have not yet assessed the relative influence of each of these factors to model-based tracking accuracy, this list of factors...

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 Hyphenation and Automation 15 1.4 Comparison of SME, Membrane-Based ... Chapter Solvent Microextraction Techniques: Headspace Liquid- Phase Microextraction and Solvent-Drop Liquid- Phase Microextraction 2.1 Introduction Methods for the collection and analysis of soil sample...

Development of optical phase evaluation techniques application to fringe projection and digital speckle measurement

... objective of this study is to develop optical phase evaluation techniques for fringe projection and digital speckle measurement, and to overcome existing problems in the area of optical fringe analysis ... developing process Digital speckle method refers to a broad range of speckle metrology techniques including TV holography (Butters and Leendertz, 1971), digital speckle photography (Burch and Tokarski, ... Linear coded profilometry 20 2.1.5 Removal of the carrier phase component 21 Digital speckle measurement 25 2.2.1 Difference of phases 27 2.2.2 Phase of differences 31 2.2.3 Direct phase- extraction...

Development and application of hollow fiber protected liquid phase microextraction for trace organic analysis

... 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 Chapter provides an introduction to extraction, and ... pores of hollow fiber, and the aqueous acceptor solution in the lumen of the hollow fiber was repeatedly moved in and out of the hollow fiber and the syringe Compared to the dynamic three-phase...

Development of temporal phase analysis techniques in optical measurement

... variation of point B5; (b) wrapped phase value of point B5 and (c) continuous phase profile after unwrapping (point B5) 146 (a) Wrapped phase in spatial coordinate at 0.12s; (b) continuous phase ... value of point A6; (c) continuous phase profile after unwrapping (point A6) 151 Figure 5.46 (a) Wrapped phase in spatial coordinate at 0.092s; (b) continuous phase map obtained by phase scanning ... Method Phase Shifting Spatial Phase Analysis Carrier Fringe Technique Fourier analysis Temporal Phase Analysis Fringe Tracking Phase Scanning Method Fourier analysis Wavelet Wavelet Figure 1.1 Fringe...

Liquid phase microextraction for the determination of acidic drugs and beta blockers in water samples

... 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 project Their invaluable help, advice and suggestions ... determines the feasibility of the extraction process; the higher DA1 the better the solute is being extracted into the organic phase On the other hand, stripping of analytes from the organic phase...

báo cáo hóa học: " Multinational development of a questionnaire assessing patient satisfaction with anticoagulant treatment: the ''''Perception of Anticoagulant Treatment Questionnaire'''' (PACT-Q©)" docx

... into a list of four domains ( "Treatment Expectations", "Convenience", "Anticoagulant Treatment Satisfaction" and "Burden of Disease and Treatment" ), and then prioritised according to their relevance ... assess the efficacy and safety of their anticoagulant treatment and their preferences, 4) identify advantages and constraints related to anticoagulant treatment as perceived by patients and 5) ... to evaluate the full benefits of anticoagulant treatments, a specific patient- reported questionnaire that assesses patients' satisfaction with anticoagulant treatment is thus required Ideally,...

Báo cáo lâm nghiệp: "Eﬀects of soil mechanical treatments combined with bramble and bracken control on the restoration of degraded understory in an ancient beech forest" pptx

... submitted to one soil treatment combined or not with vegetation treatments Vegetation treatments were only meant to reduce the huge development of the understory (only in the case of stands dominated ... variables in the Pteridium stand Harrow did not have any eﬀect on the considered soil parameters Both disc and rotary ploughing induced an overall lowering of soil nutrient index and soil compaction, ... dependent on the initial vegetation type and on soil seed bank composition We therefore encourage additional experiments in diﬀerent stand and soil types in order to establish the generality of these...

Báo cáo khoa học: "Calcium metabolism in cows receiving an intramuscular injection of 1,25-dihydroxyvitamin D3 combined with prostaglandin F2?? closely before parturition" doc

... marked increase in plasma Ca and iP 2 3 3 3 2 3 3 2 Effect of 1,25-dihydroxyvitamin D3 and induced parturition in cows We thank Dr Azuma Watanabe (Mercian Corporation, Japan) for supplying the ... occurred in one cow of control group within 10 hours of parturition and in another of 1,25(OH) D group at days postpartum These two cows received Ca treatment (an intravenous infusion of 500 ml of ... was the difficulty in timing the treatment In the present study, we suggested that the prophylactic regimen using the intramuscular injection of 1,25(OH) D combined with the induced parturition...

Báo cáo y học: "Chronic development of collagen-induced arthritis is associated with arthritogenic antibodies against specific epitopes on type II collagen" ppt

... Seyer JM: Collagen-induced arthritis in mice: synergistic effect of E coli lipopolysaccharide bypasses epitope specificity in the induction of arthritis with monoclonal antibodies to type II ... Epitope -specific recognition of type II collagen by rheumatoid arthritis antibodies is shared with recognition by antibodies that are arthritogenic in collagen-induced arthritis in the mouse Arthritis ... Bailey C, Enander I, Mayer R, Klareskog L, Moran T, Bona C: Origin of the autoreactive anti -type II collagen response II Specificities, antibody isotypes and usage of V gene families of anti-type...

báo cáo khoa học: "Meniscoplasty for stable osteochondritis dissecans of the lateral femoral condyle combined with a discoid lateral meniscus: a case report" ppt

... of the osteochondritis dissecans lesion of the lateral femoral condyle may cause OCD of the lateral femoral condyle Mitsuoka et al [8] reported the case of a 10-year-old boy who was treated with ... the damaged discoid lateral meniscus is considered to be one of the main causes of OCD of the lateral femoral condyle Matsumoto et al [10] reported a case with bilateral OCD lesions of the lateral ... Meniscoplasty for stable osteochondritis dissecans of the lateral femoral condyle combined with a discoid lateral meniscus: a case report Journal of Medical Case Reports 2011 5:434 Submit your next manuscript...

Báo cáo y học: "Development of bone marrow lesions is associated with adverse effects on knee cartilage while resolution is associated with improvement - a potential target for prevention of knee osteoarthritis: a longitudinal study" pdf

... Davies-Tuck et al., Development of bone marrow lesions is associated with adverse effects on knee cartilage while resolution is associated with improvement - a potential target for prevention ... Cartilage 2007, 15:143 7-1 442 Baranyay FJ, Wang Y, Wluka AE, English DR, Giles GG, Sullivan RO, FM C: Association of bone marrow lesions with knee structures and risk factors for bone marrow lesions ... Increase in bone marrow lesions associated with cartilage loss: a longitudinal magnetic resonance imaging study of knee osteoarthritis Arthritis Rheum 2006, 54:152 9-1 535 Guymer E, Baranyay F,...

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