... combination is not used for the solidphaseextraction studies In this work, a simple and accurate procedure for cadmium(II) and lead(II) ions that is based on solidphaseextraction of cadmium(II) ... 2010) Natural and synthetic solidphase extractors that have high surface area and adsorption capacity, stable for acidic and basic media are preferred for solidphaseextraction of metal ions Zeolites, ... 2005), microextraction (Gharehbaghi and Shemirani, 2010; Shirkhanloo et al., 2010; Salahinejad and Aflaki, 2011) etc are continuously used by analytical chemists around the world Solidphase extraction...
... dealt with the solidphaseextraction and this thesis is dedicated to explore the potential of monolith as a solidphaseextraction cartridge Chapter 24 1.6 MONOLITH: AS A SOLIDPHASE EXTRACTOR ... analyte extraction, either as offline and online solidphase extractor, have been extensively reviewed [Raynie, 2006; Fontanals et al., 2007] One of the techniques is solidphase microextraction ... silica monolith as solidphaseextraction cartridge for the extraction of epinephrine, metanephrine and normetanephrine from urine Application of the silica monolith as solidphaseextraction cartridge...
... Chai, M., Zhang, Z., Pawliszyn, J., Solid- Phase Microextraction: An Attractive Alternative, Environmental Lab.11 (1992) 10-15 Pawliszyn, J SolidPhase Microextraction : Theory and Practice (1997) ... 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 herbicide ... Pawliszyn, In vivo sampling with solidphase microextraction, Journal of Biochemical and Biophysical Methods, 70 (2007) 181193 Pragst, Application of solid- phase microextraction in analytical toxicology...
... in 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 ... determine analyte concentrations in the water phase Commonly applied are liquid-liquid extraction [LLE] and solid- phaseextraction [SPE] LLE can yield exhaustive extraction of the analytes but is time-consuming, ... Wiley-VCH; 1997 Pawliszyn J (Ed): Handbook of SolidPhase Microextraction Peking: Chemical Industry Press; 2009 Alpendurada MF: Solid- phase microextraction: a promising technique for sample preparation...
... core (white column) and silica/gold nanoshells (black columns) (b) Calculated (solid line) and measured (dashed line, circles) light scattering spectra of 70/100 nm silica/ gold nanoshells Nanoscale ... 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...
... %-Halocarbonyl CNLONSMDQZZZZZZZZZZZZZZZZZZZZ'''13 1.3 Examples of Solid- Phase Synthesis of Substituted AminesZZZZZZ'ZZZ.18 1.3.1 Solid- Phase Synthesis of ACE Inhibitors with %-Ketocarbonyl Compounds ... 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...
... tetrahydroisoquinolines Parallel Library Synthesis • Optimization of 12 reactions provides compounds • The library members are spatially separated, so this technique can be used for solution as well as solid phase...
... 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...
... Conference Papers 183 Apendices 185 viii Summary Polycrystalline silicon prepared from solid- phase crystallisation (SPC) of PECVD (plasma-enhanced chemical vapour deposition) ... shown, for comparison, is the Raman spectrum measured for a polished single-crystalline Si wafer (solid black line) 37 Figure 2.18: (a) EBSD grain size orientation map, (b) Grain size distribution ... flow ratio The dashed lines are guides to the eye 65 Figure 3.2: Hall mobility of SPC n+ poly-Si films as a function of the majority carrier concentration The solidline indicates the...
... data, deconvoluted into the LSM, HSM and SiNx absorption peaks, represented by the solid line, dotted line and dashed line, respectively 45 Figure 3.9 (a) Typical transmittance spectrum ... Melting temperature of silicon (1414 oC) Time Characteristic time of solidphase crystallisation Incubation time for solidphase crystallisation Misorientation angle Short range order bond angle ... Tsuda, "High-Quality Polycrystalline Silicon Thin Film Prepared by a SolidPhase Crystallisation Method," Journal of Non-Crystalline Solids 198-200, pp 940, 1996 H M Branz, C W Teplin, M J Romero,...
... < 0.12 % Dashed lines: calculated lattice parameters according to Vegard’s rule between Si and C; dashdotted lines: calculations using Vegard’s rule between Si and β-SiC; solid lines: theoretical ... Annealing Technologies 9 1.5 Research Objectives 13 1.6 Outline of the thesis 14 V CHAPTER LITERATURE REVIEW 16 2.1 Introduction 16 2.2 Solidphase epitaxial regrowth (SPER) annealing 16 2.2.1 Concept ... amorphous-crystalline (α/c) region The end-of-range (EOR) of the implantation is formed at the transition between the amorphous and crystalline region At the EOR, the silicon substrate retains its crystalline...
... PUBLICATIONS CHAPTER 1: INTRODUCTION 1.1 Solid- phase synthesis (SPS) 1.1.1 Solid supports 1.1.2 Linkers 1.1.3 Reaction monitoring in solid- phase synthesis 13 1.1.4 Solid- phase synthetic libraries -from ... TRACELESS SOLID- PHASE SYNTHESIS OF 1,7-DISUBSTITUTED PURINES 77 3.1 Introduction 77 3.2 Outline of our strategy 78 3.3 Results and discussions 79 3.3.1 Solution -phase synthesis study 79 3.3.2 Solid- phase ... molecule and eventually it is cleaved from the solid support (Figure 1.1) Figure1.1 Illustration of a solid- phase synthesis This concept of solid- phase synthesis was first raised by R B Merrifield...
... of solid materials is largely dependent on the mineralogical characteristics of the solidphase (Ettler et al 2003), the second objective involves identification of possible mineralogical phases ... variety of phases, namely phases with high Zn-Ni-P-Fe and phases with high Al-Si content The coexistence of Zn, Ni, P, and Fe, as observed in the map, suggests that Fe and PO43−-rich phases are ... mineral phases containing HMs or As However, FEG-EPMA provides information on phases containing HMs that were not detected by XRD analysis (e.g., lead sulfide in SI2 and a poorly crystalline Zn phase...
... Abstract—a-Acylamino-a,a-disubstituted ketones are of interest as ecdysone agonists Solidphase synthesis of prototypical a-acylamino-a,a-disubstituted ketones on two different solid supports is described In both cases the ketone ... Current address: Locus Discovery Inc., Four Valley Square, 512 Township Line Road, Blue Bell, PA 19422, USA A number of solidphase syntheses of ketones,3–22 including a-acylaminoketones,10–22 have ... to dryness, and the residue was dissolved in THF The solution was applied to a silica gel solidphaseextraction cartridge which was eluted with CH2Cl2 (2×2 mL) The eluate was concentrated to...
... hóa trình tổng hợp TỔNG HỢP PHA RẮN TỔNG HỢP PHA RẮN SOLIDPHASE SYNTHESIS • The scale SPS is limited and restricted by the amount of the solid support and its loading capacity • The preparation ... et al The Organic Chemistry of Drug Synthesis; Wiley-Interscience: New York, 1977 Ellman’s solid- phase synthesis of 1,4-benzodiazepines Ưu điểm Tổng hợp Pha rắn? Không cần cô lập chất trung ... Polystyrene-Polyethyleneglycol graft (TentaGel) Drawbacks that limit the use of TentaGel resin as a universal support for solid- phase chemistry: The substitutions of TentaGel resins are lower than PS resins although loading...