static headspace sampling using solid phase microextraction
Phương pháp SPME và Ứng dụng (Solid-phase microextraction)
... Janusz Pawliszyn, In vivo sampling with solid phase microextraction, Journal of Biochemical and Biophysical Methods, 70 (2007) 181193 Pragst, Application of solid- phase microextraction in analytical ... N Y.), 275 Ulrich, Solid- phase microextraction in biomedical analysis, Journal of Chromatography A, 902 (2000) 167-194 L.J.Krutz, S.A.Senseman, A.S.Sciumbato, Solid- phase microextraction for ... D., Chai, M., Zhang, Z., Pawliszyn, J., Solid- Phase Microextraction: An Attractive Alternative, Environmental Lab.11 (1992) 10-15 Pawliszyn, J Solid Phase Microextraction : Theory and Practice...
Ngày tải lên: 02/05/2014, 23:00
Báo cáo toán học: " Solid-phase microextraction for bioconcentration studies according to OECD TG 305" pdf
... solid- phase microextraction techniques for pharmaceutical and biomedical analyses Anal Sci 2011, 27:893-905 Llompart M, Li K, Fingas M: Solid- phase microextraction and headspace solid- phase microextraction ... water using solid- phase microextraction and GC/MS Environ Sci Technol 1994, 28:298-305 10 Nilsson T, Ferrari R, Facchetti S: Inter-laboratory studies for the validation of solid- phase microextraction ... aqueous matrices, solid- phase microextraction is still a rather unusual method in regulatory ecotoxicological research Here, the potential benefits and drawbacks of solidphase microextraction are...
Ngày tải lên: 20/06/2014, 20:20
Báo cáo hóa học: " A solid-phase dot assay using silica/gold nanoshells" pptx
... report on the first, to the best of our knowledge, application of silica/gold nanoshells to a solid- phase dot assay in which the nanoshells are used as color markers for biospecific staining of ... stabilized particles, by the positive interaction with complementary analyte (hIgG) molecules in solid- phase dot-immunoassay, and by the absence of interaction with a negative control (BSA) The protocol ... to discuss some points related to optimal properties of nanoparticles that may be used in the solid- phase dot immunoassay In principle, the silica/gold nanoshells are not the only nanoparticle...
Ngày tải lên: 22/06/2014, 22:20
Sustainability of an energy conversion system in Canada involving large-scale integrated hydrogen production using solid fuels
... hydrogen Various solid fuels are used, including coal, biomass, municipal solid wastes (MSWs), forestry-based solid wastes, energy crops, and agricultural and industrial solid residue These solid fuels ... system using solid fuels Due to the availability and widespread use of solid fuels [91], their handling is mature Upstream processes (in Figure 1) involve cleaning, blending and upgrading of solid ... in the syngas is converted to H2 and CO2 using steam Then, the hydrogen is separated from CO2 using membrane reactors [50] and sent for purification using the pressure swing adsorption (PSA)...
Ngày tải lên: 05/09/2013, 14:58
Enhanced production of pectinase by Bacillus sp. DT7 using solid state fermentation docx
... in SSF was studied using wheat bran, unless otherwise stated, by altering physiochemical and culture conditions Effect of different solid substrates: The effect of different solid substrates on ... studied by using a variety of solid substrates (wheat bran, rice bran, apple pomace) The original moisture content of the apple pomace was 80% Effect of moisture contents on pectinase production using ... Bacillus coagulans in solid state fermentation Process Biochem 30, 305–309 Gessesse, A., Mamo, G., 1999 High level xylanase production by an alkalophilic Bacillus sp by using solid state fermentation...
Ngày tải lên: 01/04/2014, 00:21
Solid-Phase Synthesis of N-Carboxyalkyl Unnatural Amino Acids
... analogs 1.3.1 Solid- Phase Synthesis of ACE Inhibitors with %-Ketocarbonyl Compounds Blackburn et al.43 synthesized a library of N-carboxyalkyl dipeptides as ACE inhibitors using solid- phase synthesis ... University, August 2010, Solid- Phase Synthesis of N-Carboxyalkyl Unnatural Amino Acids Major Professor: Martin J 9^/NMMEKl, Ph.D A novel route has been developed for the solid- phase synthesis of Ncarboxyalkyl ... The utilization of solidphase methods and combinatorial chemistry for the synthesis of amino acid derivatives has become an important methodology since the beginnings of solid- phase peptide synthesis...
Ngày tải lên: 24/08/2014, 13:46
solution, solid-phase, and fluorous-phase synthesis of carbohydrates and production of carbohydrate microarrays
Ngày tải lên: 14/11/2014, 06:36
SOLID PHASE ORGANIC SYNTHESIS
... library members are spatially separated, so this technique can be used for solution as well as solid phase synthesis diversification reaction divide diversification reaction Split-pool Synthesis...
Ngày tải lên: 17/04/2015, 08:58
TỔNG HỢP PHA RẮN (SOLID PHASE SYNTHESIS)
... Cầu nối (Linker) Cấu trúc trung gian nối chất mang tác chất phản ứng Nhiều loại cầu nối khác SOLID SUPPORT • The most common are spherical particles (beads, 0.04-0.15 mm) • Are mechanical stability ... by Solvent ‘Shrunken’ state ‘Swollen’ state : Permeable to solvent and reagent Classification of Solid Support Gel-type supports 1.1 Polystyrene (PS) resins 1.2 Polyacrylamide resins 1.3 Polyethylene ... PEG-polystyrene graft supports X= OH or NH2 Functionalized PEG-PS Resins Considerations in Choosing a Solid Support • Mode of attachment and cleavage of materials from the resin (linker) • Compatibility...
Ngày tải lên: 17/04/2015, 09:11
Enrichment separation and determinations of cadmium(II) and lead(II) 1 phenyl 1h tetrazole 5 thiol chelates on diaion SP 207 by solid phase extraction flame atomic absorption spectrometry
... 2010) Natural and synthetic solid phase extractors that have high surface area and adsorption capacity, stable for acidic and basic media are preferred for solid phase extraction of metal ions ... combination is not used for the solid phase extraction studies In this work, a simple and accurate procedure for cadmium(II) and lead(II) ions that is based on solid phase extraction of cadmium(II) ... microextraction J Chin Chem Soc 57, 1035–1041 Soleimani, M., Khani, A., 2010 Removal and recovery of UO2(2+) from water samples using 2,2’-diamino-4,4’-bithiazole as a new reagent for solid phase...
Ngày tải lên: 02/09/2015, 13:45
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
... monitoring S/N Signal-to-noise SPBME Sorbent phase- based microextraction SPE Solid phase extraction µ-SPE Micro -solid- phase extraction SPME Solid- phase microextraction TCAs Tricyclic antidepressants ... sorbent phase- based microextraction (SPBME) including fiber-based solid- phase microextraction (SPME), stir bar sorptive extraction (SBSE), microextraction in a packed syringe (MEPS), micro -solid- phase ... process, three phases are involved in analytes distribution: aqueous phase, headspace phase and extraction phase The overall rate of mass transfer is determined by both the aqueous phase stirring...
Ngày tải lên: 09/09/2015, 10:18
Investigation of advanced light trapping concepts for plasma deposited solid phase crystallised polycrystalline silicon thin film solar cells on glass
... described here: solid phase crystallization (Section 1.3.1), seed layer approach (Section 1.3.2), and liquid phase crystallization (Section 1.3.3) 1.3.1 Solid phase crystallization The solid phase crystallization ... evaporated solid- phase- crystallized thin-film silicon solar cells on glass, Applied Physics Letters, 86 (2005) 172108 [24] D Song, D Inns, A Straub, M.L Terry, P Campbell, A.G Aberle, Solid phase ... Polycrystalline Si thin-film solar cells 1.3.1 Solid phase crystallization 1.3.2 Seed layer approach 1.3.3 Liquid phase crystallization 1.4 The need for light trapping...
Ngày tải lên: 09/09/2015, 11:16
Fabrication and characterisation of solid phase crystallised plasma deposited silicon thin films on glass for photovoltaic application
... other approach involved the solid phase crystallization (SPC) technique to fabricate poly-Si thin-film solar cells from a-Si:H films The a-Si:H films were mainly deposited using plasma- 18 CHAPTER ... texturing 21 2.2.2 PECVD cluster tool deposition 23 iv TABLE OF CONTENTS 2.2.3 Solid phase crystallization (SPC) of a-Si:H films 30 2.2.4 Rapid thermal annealing of poly-Si thin ... 183 Apendices 185 viii Summary Polycrystalline silicon prepared from solid- phase crystallisation (SPC) of PECVD (plasma-enhanced chemical vapour deposition) a-Si:H thin...
Ngày tải lên: 09/09/2015, 11:21
Membrane protected micro solid phase extraction of pharmaceuticals from environmental water samples
... sultone Rr Relative recovery RSD Relative standard deviation SBME Solid bar microextraction SPE Solid phase extraction SPME Solid phase microextraction TEA Triethylamine TGA Thermogravimetric analysis ... Limit of quantification muSPE Micro solid phase extraction using mixed matrix membrane μ-SPE Membrane bag micro solid phase extraction MPME Membrane protected microextraction MWCNT Multi-walled ... Membrane-assisted micro -solid phase extraction (μ-SPE) is a recently introduced sample preparation technique that integrates microextraction paradigms and membrane microfiltration with solid phase extraction...
Ngày tải lên: 10/09/2015, 09:12
On the solid phase crystallization for thin film silicon solar cells on glass
... Melting temperature of silicon (1414 oC) Time Characteristic time of solid phase crystallisation Incubation time for solid phase crystallisation Misorientation angle Short range order bond angle ... gaps are identified and the overview of this Thesis is presented 15 2.1 The solid phase crystallisation process The solid phase crystallisation (SPC) process typically involves annealing an amorphous ... initial phase is unstable relative to the final phase The phase stability is determined by the Gibbs free energy for transformation that occurs at constant temperature and pressure [1] The phase...
Ngày tải lên: 10/09/2015, 09:31
The application of silica monolith for solid phase extraction
... dealt with the solid phase extraction and this thesis is dedicated to explore the potential of monolith as a solid phase extraction cartridge Chapter 24 1.6 MONOLITH: AS A SOLID PHASE EXTRACTOR ... extraction, either as offline and online solid phase extractor, have been extensively reviewed [Raynie, 2006; Fontanals et al., 2007] One of the techniques is solid phase microextraction (SPME) which has ... investigated, information of unmodified silica monolith as solid phase extraction is limited In this thesis, application of silica monolith for solid phase extraction had been explored Basically the thesis...
Ngày tải lên: 10/09/2015, 15:50
Development and application of hollow fiber protected liquid phase microextraction for trace organic analysis
... development of three -phase hollow fiber-protected microextraction or liquid-liquid-liquid microextraction (LLLME) including static LLLME (in which acceptor aqueous phase remains static during extraction) ... Chapter 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 ... extraction Among these extraction methods, liquid-liquid extraction (LLE), solid- phase extraction (SPE) and solid- phase microextraction (SPME) are the conventional sample extraction methods SPE...
Ngày tải lên: 12/09/2015, 08:20
Carbon rich silicon (si1 ycy)for defect engineering of ion implantation damage in devices activated by solid phase epitaxy
... spike annealing conditions 64 4.5.3 Defect Suppression of Indium End-of-Range during Solid Phase Epitaxy Annealing Using Si1-yCy in Silicon 69 4.6 Conclusions 72 VIII CHAPTER JUNCTION WITH CARBON ... between Si and C; dashdotted lines: calculations using Vegard’s rule between Si and β-SiC; solid lines: theoretical data according to equation (3.7) Solid symbols indicate the experimental data points ... Different damage regions in crystal caused by an amorphizing implantation 18 Figure 2.2 Solid- phase epitaxial regrowth versus annealing time for an amorphous implanted layer on silicon ...
Ngày tải lên: 12/09/2015, 09:28
Solid phase synthesis and biological evaluation of 1, 3, 5 triazine derivatives
... Solution phase synthesis of 3-36 124 3.7.2 Solid- Phase library synthesis of 3-38, 3-39, 3-44, 4-45 and 3-47 126 3.7.3 Experimental Section 132 3.7.3.1 Solution Phase Synthesis 132 3.7.3.2 Solid- Phase ... typical solid- phase synthesis reaction generally consists of a solid support, linker and substrate (Figure 1.1) Linker Substrate Solid Support Figure 1.1 Three key elements of solid- phase synthesis ... 63 Scheme 3.11 Traceless solid- phase synthesis of 1,3,5-triazine analogs using 80 solid supported thiuronium azolide 3-18 as the primary precursor Scheme 3.14 Solution -phase synthesis of 3,6-disubsituted-1,3,5-triazine2,4(1H,3H)-dione...
Ngày tải lên: 14/09/2015, 08:25