p 2008

A Multidetection Platform for Proteome Analysis

PREISLER, Jan

Basic information

Original name

A Multidetection Platform for Proteome Analysis

Name in Czech

A Multidetection Platform for Proteome Analysis

Authors

PREISLER, Jan (203 Czech Republic, guarantor, belonging to the institution)

Edition

Symposium on New Frontiers of Bio-imaging and Micro-separation, Ames, IA, USA, 2008

Other information

Language

English

Type of outcome

Vyžádané přednášky

Field of Study

10406 Analytical chemistry

Country of publisher

United States of America

Confidentiality degree

není předmětem státního či obchodního tajemství

RIV identification code

RIV/00216224:14310/08:00058776

Organization unit

Faculty of Science

Keywords in English

Electrophoresis Capillary; Elemental Analysis; Laser Ablation; Mass Spectrometry; Inductively Coupled Plasma; Speciation

Tags

International impact
Změněno: 11/4/2013 09:44, prof. Mgr. Jan Preisler, Ph.D.

Abstract

V originále

This lecture will describe an instrumentation platform based on a universal interface for deposition of capillary electrophoresis (CE) eluent on a target of a MALDI mass spectrometer. The deposited fractions of proteins or peptides are analyzed off-line using MALDI mass or tandem mass spectrometry (MS or MS/MS) and native laser-induced fluorescence (LIF) detection or subjected to on-target reactions; such as enzymatic digestion. Another detection mode is inductively coupled plasma mass spectrometry (ICP MS), which is complementary to soft MALDI MS. We propose substrate-enhanced laser desorption (SELD) for transfer of deposited sample from the target to ICP. Thus, both information about protein identity and content of elements, such as metals or phosphorus is available from a single separation record. Initial results of SELD - ICP OES/MS analysis of metal species will be shown to demonstrate the feasibility of the new approach. Chromium was selected as a model analyte for investigation of the ablation process and demonstration of elemental speciation.

In Czech

This lecture will describe an instrumentation platform based on a universal interface for deposition of capillary electrophoresis (CE) eluent on a target of a MALDI mass spectrometer. The deposited fractions of proteins or peptides are analyzed off-line using MALDI mass or tandem mass spectrometry (MS or MS/MS) and native laser-induced fluorescence (LIF) detection or subjected to on-target reactions; such as enzymatic digestion. Another detection mode is inductively coupled plasma mass spectrometry (ICP MS), which is complementary to soft MALDI MS. We propose substrate-enhanced laser desorption (SELD) for transfer of deposited sample from the target to ICP. Thus, both information about protein identity and content of elements, such as metals or phosphorus is available from a single separation record. Initial results of SELD - ICP OES/MS analysis of metal species will be shown to demonstrate the feasibility of the new approach. Chromium was selected as a model analyte for investigation of the ablation process and demonstration of elemental speciation.

Links

LC06035, research and development project
Name: Centrum biofyzikální chemie, bioelektrochemie a bioanalýzy. Nové nástroje pro genomiku, proteomiku a biomedicínu.
Investor: Ministry of Education, Youth and Sports of the CR, Centre of Biophysical Chemistry, Bioelectrochemistry and Bioanalysis. New Tools for Genomics, Proteomics and Biomedicine
MSM0021622411, plan (intention)
Name: Studium a aplikace plazmochemických reakcí v neizotermickém nízkoteplotním plazmatu a jeho interakcí s povrchem pevných látek
Investor: Ministry of Education, Youth and Sports of the CR, Study and application of plasma chemical reactions in non-isothermic low temperature plasma and its interaction with solid surface
MSM0021622412, plan (intention)
Name: Interakce mezi chemickými látkami, prostředím a biologickými systémy a jejich důsledky na globální, regionální a lokální úrovni (INCHEMBIOL) (Acronym: INCHEMBIOL)
Investor: Ministry of Education, Youth and Sports of the CR, Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)
MSM0021622415, plan (intention)
Name: Molekulární podstata buněčných a tkáňových regulací
Investor: Ministry of Education, Youth and Sports of the CR, Molecular basis of cell and tissue regulations