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Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - Joana Diekmann
Vergriffenes Buch, derzeit bei uns nicht verfügbar.
(*)
Joana Diekmann:

Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - neues Buch

2010, ISBN: 9783640873593

ID: 6d7926818fc99091d27bc13bbad33338

Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo Master's Thesis from the year 2009 in the subject Chemistry - Analytical Chemistry, grade: 1,0, University of Hannover (Anorganische Chemie), language: English, comment: This Master Thesis was awarded with the "E.ON Future Award 2010" and it was carried out at the Leibniz University Hannover, Faculty of Natural Sciences, Institute for Inorganic Chemistry, Department of Analytical Chemistry, in cooperation with the Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, CA, USA. , abstract: Separation and identification of mass-limited chemical samples is the key to understand the complex nature of pharmaceutical and environmental systems. High efficiency separation techniques, such as capillary electrophoresis (CE), coupled to a non-destructive, information-rich detection, such as nuclear magnetic resonance (NMR) spectroscopy, have revolutionized the ability to separate and identify components in small sample volumes. Using this hyphenated system, structure elucidation of analytes separated during an electrophoretic process can be performed using NMR as an on-line detector. Although sensitivity remains an issue for on-line NMR detection, capillary NMR spectroscopy using microcoils has emerged as a major breakthrough for increasing the mass-sensitivity of NMR spectroscopy, because the limit of detection is proportional to the coil diameter. A further development is the miniaturization of the magnet enabling the possibility of a truly portable NMR system. This portable, low-cost NMR sensor, coupled to the rapid CE separation system could enable high-throughput and on-site identification of nanoliter amounts of solution. Furthermore, CE can provide on-line pre-concentration via electrokinetic injection or other stacking techniques to increase the sample concentration. In this research, coupling CE to a laboratory-scale NMR and to a portable NMR system are investigated, with the emphasis on the development of the miniaturized system. For the experiments with the large-scale 1H NMR system, a group of selected uric acids and xan- thines are studied since those compounds are representative of various classes of therapeutical drugs. The portable NMR instrument incorporates lithographically patterned microcoils and a small 1.8 T permanent magnet to measure 19F NMR spectra for the analysis of trifluoroacetic acid (TFA) and longer chain perfluorinated carboxylic acids (PFCAs). Our results demonstrate that coupling CE to a portable NMR system is feasible and can provide a low cost method to obtain structural information about the samples of interest. The results confirm that it was possible to acquire congruent sample data using the ultraviolet/visible (UV/VIS) detector of the CE and the 19F NMR detector. To obtain data, CE and NMR conditions were optimized and different modes of data acquisition were investigated. Bücher / Fremdsprachige Bücher / Englische Bücher 978-3-640-87359-3, GRIN

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Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - Joana Diekmann
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Joana Diekmann:

Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - neues Buch

2010, ISBN: 9783640873593

ID: d1f65a8abcaa1c34784e31b3658739b9

Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo Master Thesis from the year 2009 in the subject Chemistry - Analytical Chemistry, grade: 1,0, University of Hannover (Anorganische Chemie), language: English, comment: This Master Thesis was awarded with the "E.ON Future Award 2010" and it was carried out at the Leibniz University Hannover, Faculty of Natural Sciences, Institute for Inorganic Chemistry, Department of Analytical Chemistry, in cooperation with the Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, CA, USA. , abstract: Separation and identification of mass-limited chemical samples is the key to understand the complex nature of pharmaceutical and environmental systems. High efficiency separation techniques, such as capillary electrophoresis (CE), coupled to a non-destructive, information-rich detection, such as nuclear magnetic resonance (NMR) spectroscopy, have revolutionized the ability to separate and identify components in small sample volumes. Using this hyphenated system, structure elucidation of analytes separated during an electrophoretic process can be performed using NMR as an on-line detector. Although sensitivity remains an issue for on-line NMR detection, capillary NMR spectroscopy using microcoils has emerged as a major breakthrough for increasing the mass-sensitivity of NMR spectroscopy, because the limit of detection is proportional to the coil diameter. A further development is the miniaturization of the magnet enabling the possibility of a truly portable NMR system. This portable, low-cost NMR sensor, coupled to the rapid CE separation system could enable high-throughput and on-site identification of nanoliter amounts of solution. Furthermore, CE can provide on-line pre-concentration via electrokinetic injection or other stacking techniques to increase the sample concentration.In this research, coupling CE to a laboratory-scale NMR and to a portable NMR system are investigated, with the emphasis on the development of the miniaturized system. For the experiments with the large-scale 1H NMR system, a group of selected uric acids and xan- thines are studied since those compounds are representative of various classes of therapeutical drugs. The portable NMR instrument incorporates lithographically patterned microcoils and a small 1.8 T permanent magnet to measure 19F NMR spectra for the analysis of trifluoroacetic acid (TFA) and longer chain perfluorinated carboxylic acids (PFCAs). Our results demonstrate that coupling CE to a portable NMR system is feasible and can provide a low cost method to obtain structural information about the samples of interest. The results confirm that it was possible to acquire congruent sample data using the ultraviolet/visible (UV/VIS) detector of the CE and the 19F NMR detector. To obtain data, CE and NMR conditions were optimized and different modes of data acquisition were investigated. Bücher / Fremdsprachige Bücher / Englische Bücher 978-3-640-87359-3, GRIN

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Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - Joana Diekmann
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Joana Diekmann:
Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - neues Buch

2010

ISBN: 9783640873593

ID: 116749402

Master´s Thesis from the year 2009 in the subject Chemistry - Analytical Chemistry, grade: 1,0, University of Hannover (Anorganische Chemie), language: English, comment: This Master Thesis was awarded with the ´´E.ON Future Award 2010´´ and it was carried out at the Leibniz University Hannover, Faculty of Natural Sciences, Institute for Inorganic Chemistry, Department of Analytical Chemistry, in cooperation with the Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, CA, USA. , abstract: Separation and identification of mass-limited chemical samples is the key to understand the complex nature of pharmaceutical and environmental systems. High efficiency separation techniques, such as capillary electrophoresis (CE), coupled to a non-destructive, information-rich detection, such as nuclear magnetic resonance (NMR) spectroscopy, have revolutionized the ability to separate and identify components in small sample volumes. Using this hyphenated system, structure elucidation of analytes separated during an electrophoretic process can be performed using NMR as an on-line detector. Although sensitivity remains an issue for on-line NMR detection, capillary NMR spectroscopy using microcoils has emerged as a major breakthrough for increasing the mass-sensitivity of NMR spectroscopy, because the limit of detection is proportional to the coil diameter. A further development is the miniaturization of the magnet enabling the possibility of a truly portable NMR system. This portable, low-cost NMR sensor, coupled to the rapid CE separation system could enable high-throughput and on-site identification of nanoliter amounts of solution. Furthermore, CE can provide on-line pre-concentration via electrokinetic injection or other stacking techniques to increase the sample concentration. In this research, coupling CE to a laboratory-scale NMR and to a portable NMR system are investigated, with the emphasis on the development of the miniaturized system. For the experiments with the large-scale 1H NMR system, a group of selected uric acids and xan- thines are studied since those compounds are representative of various classes of therapeutical drugs. The portable NMR instrument incorporates lithographically patterned microcoils and a small 1.8 T permanent magnet to measure 19F NMR spectra for the analysis of trifluoroacetic acid (TFA) and longer chain perfluorinated carboxylic acids (PFCAs). Our results demonstrate that coupling CE to a portable NMR system is feasible and can provide a low cost method to obtain structural information about the samples of interest. The results confirm that it was possible to acquire congruent sample data using the ultraviolet/visible (UV/VIS) detector of the CE and the 19F NMR detector. To obtain data, CE and NMR conditions were optimized and different modes of data acquisition were investigated. Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo Buch (dtsch.) Bücher>Fremdsprachige Bücher>Englische Bücher, GRIN

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Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - Joana Diekmann
Vergriffenes Buch, derzeit bei uns nicht verfügbar.
(*)
Joana Diekmann:
Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - neues Buch

2011, ISBN: 9783640873593

ID: 691085174

Master´s Thesis from the year 2009 in the subject Chemistry - Analytical Chemistry, grade: 1,0, University of Hannover (Anorganische Chemie), language: English, abstract: Separation and identification of mass-limited chemical samples is the key to understand the complex nature of pharmaceutical and environmental systems. High efficiency separation techniques, such as capillary electrophoresis (CE), coupled to a non-destructive, information-rich detection, such as nuclear magnetic resonance (NMR) spectroscopy, have revolutionized the ability to separate and identify components in small sample volumes. Using this hyphenated system, structure elucidation of analytes separated during an electrophoretic process can be performed using NMR as an on-line detector. Although sensitivity remains an issue for on-line NMR detection, capillary NMR spectroscopy using microcoils has emerged as a major breakthrough for increasing the mass-sensitivity of NMR spectroscopy, because the limit of detection is proportional to the coil diameter. A further development is the miniaturization of the magnet enabling the possibility of a truly portable NMR system. This portable, low-cost NMR sensor, coupled to the rapid CE separation system could enable high-throughput and on-site identification of nanoliter amounts of solution. Furthermore, CE can provide on-line pre-concentration via electrokinetic injection or other stacking techniques to increase the sample concentration. In this research, coupling CE to a laboratory-scale NMR and to a portable NMR system are investigated, with the emphasis on the development of the miniaturized system. For the experiments with the large-scale 1H NMR system, a group of selected uric acids and xan- thines are studied since those compounds are representative of various classes of therapeutical drugs. The portable NMR instrument incorporates lithographically patterned microcoils and a small 1.8 T permane Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo Bücher > Fremdsprachige Bücher > Englische Bücher Taschenbuch 08.04.2011, GRIN, .201

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Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - Joana Diekmann
Vergriffenes Buch, derzeit bei uns nicht verfügbar.
(*)
Joana Diekmann:
Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo - neues Buch

2009, ISBN: 9783640873593

ID: 116749402

Master´s Thesis from the year 2009 in the subject Chemistry - Analytical Chemistry, grade: 1,0, University of Hannover (Anorganische Chemie), language: English, abstract: Separation and identification of mass-limited chemical samples is the key to understand the complex nature of pharmaceutical and environmental systems. High efficiency separation techniques, such as capillary electrophoresis (CE), coupled to a non-destructive, information-rich detection, such as nuclear magnetic resonance (NMR) spectroscopy, have revolutionized the ability to separate and identify components in small sample volumes. Using this hyphenated system, structure elucidation of analytes separated during an electrophoretic process can be performed using NMR as an on-line detector. Although sensitivity remains an issue for on-line NMR detection, capillary NMR spectroscopy using microcoils has emerged as a major breakthrough for increasing the mass-sensitivity of NMR spectroscopy, because the limit of detection is proportional to the coil diameter. A further development is the miniaturization of the magnet enabling the possibility of a truly portable NMR system. This portable, low-cost NMR sensor, coupled to the rapid CE separation system could enable high-throughput and on-site identification of nanoliter amounts of solution. Furthermore, CE can provide on-line pre-concentration via electrokinetic injection or other stacking techniques to increase the sample concentration. In this research, coupling CE to a laboratory-scale NMR and to a portable NMR system are investigated, with the emphasis on the development of the miniaturized system. For the experiments with the large-scale 1H NMR system, a group of selected uric acids and xan- thines are studied since those compounds are representative of various classes of therapeutical drugs. The portable NMR instrument incorporates lithographically patterned microcoils and a small 1.8 T permane Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compo Buch (dtsch.) Bücher>Fremdsprachige Bücher>Englische Bücher, GRIN

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Coupling Of Capillary Electrophoresis With Nuclear Magnetic Resonance Spectroscopy For The Analysis Of Pharmaceutical And Environmental Relevant Compounds
Autor:

Joana Diekmann

Titel:

Coupling Of Capillary Electrophoresis With Nuclear Magnetic Resonance Spectroscopy For The Analysis Of Pharmaceutical And Environmental Relevant Compounds

ISBN-Nummer:

9783640873593

Master Thesis from the year 2009 in the subject Chemistry - Analytical Chemistry, grade: 1,0, University of Hannover (Anorganische Chemie), language: English, comment: This Master Thesis was awarded with the "E.ON Future Award 2010" and it was carried out at the Leibniz University Hannover, Faculty of Natural Sciences, Institute for Inorganic Chemistry, Department of Analytical Chemistry, in cooperation with the Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, CA, USA. , abstract: Separation and identification of mass-limited chemical samples is the key to understand the complex nature of pharmaceutical and environmental systems. High efficiency separation techniques, such as capillary electrophoresis (CE), coupled to a non-destructive, information-rich detection, such as nuclear magnetic resonance (NMR) spectroscopy, have revolutionized the ability to separate and identify components in small sample volumes. Using this hyphenated system, structure elucidation of analytes separated during an electrophoretic process can be performed using NMR as an on-line detector. Although sensitivity remains an issue for on-line NMR detection, capillary NMR spectroscopy using microcoils has emerged as a major breakthrough for increasing the mass-sensitivity of NMR spectroscopy, because the limit of detection is proportional to the coil diameter. A further development is the miniaturization of the magnet enabling the possibility of a truly portable NMR system. This portable, low-cost NMR sensor, coupled to the rapid CE separation system could enable high-throughput and on-site identification of nanoliter amounts of solution. Furthermore, CE can provide on-line pre-concentration via electrokinetic injection or other stacking techniques to increase the sample concentration.In this research, coupling CE to a laboratory-scale NMR and to a portable NMR system are investigated, with the emphasis on the development of the miniaturized system. For the experiments with the large-scale 1H NMR system, a group of selected uric acids and xan- thines are studied since those compounds are representative of various classes of therapeutical drugs. The portable NMR instrument incorporates lithographically patterned microcoils and a small 1.8 T permanent magnet to measure 19F NMR spectra for the analysis of trifluoroacetic acid (TFA) and longer chain perfluorinated carboxylic acids (PFCAs). Our results demonstrate that coupling CE to a portable NMR system is feasible and can provide a low cost method to obtain structural information about the samples of interest. The results confirm that it was possible to acquire congruent sample data using the ultraviolet/visible (UV/VIS) detector of the CE and the 19F NMR detector. To obtain data, CE and NMR conditions were optimized and different modes of data acquisition were investigated.

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EAN (ISBN-13): 9783640873593
ISBN (ISBN-10): 3640873599
Taschenbuch
Erscheinungsjahr: 2011
Herausgeber: GRIN Verlag

Buch in der Datenbank seit 10.10.2014 08:16:26
Buch zuletzt gefunden am 01.11.2016 10:23:16
ISBN/EAN: 9783640873593

ISBN - alternative Schreibweisen:
3-640-87359-9, 978-3-640-87359-3

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