Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Jens Künnemeyer"'
Autor:
Lena Telgmann, Michael R. Sperling, Marvin Birka, Jens Künnemeyer, Uwe Karst, Sascha Nowak, Christoph A. Wehe
Publikováno v:
Environmental Science & Technology. 46:11929-11936
The fate of Gadolinium (Gd)-based contrast agents for magnetic resonance imaging (MRI) during sewage treatment was investigated. The total concentration of Gd in influent and effluent 2 and 24 h composite samples was determined by means of isotope di
Autor:
Michael R. Sperling, Lena Telgmann, Jens Künnemeyer, Christoph A. Wehe, Ann-Christin Bülter, Uwe Karst
Publikováno v:
Analytical and Bioanalytical Chemistry. 404:2133-2141
The risk of transmetalation reactions between gadolinium complexes used as contrast agents for magnetic resonance imaging (MRI) and iron ions is examined under physiological conditions. A fast separation of gadopentetate (Gd-DTPA) and gadoterate (Gd-
Autor:
Lydia Terborg, Bernhard K. Krämer, Jens Künnemeyer, Uwe Karst, Anastasia Albert, Faruk Tokmak, Gerhard A. Wiesmüller, Sascha Nowak, Christine Brauckmann, Andreas Günsel, Lena Telgmann
Publikováno v:
ELECTROPHORESIS. 30:1766-1773
A novel method for the analysis of Gadolinium-based contrast agents in complex clinical matrices is presented. Three commonly applied ionic contrast agents for magnetic resonance imaging were separated by CE and detected by ESI-MS. Blank urine sample
Autor:
Faruk Tokmak, Jens Waldeck, Christoph Bremer, Gerhard A. Wiesmüller, Lydia Terborg, Lena Telgmann, Sascha Nowak, Bernhard K. Krämer, Andreas Günsel, Jens Künnemeyer, Uwe Karst
Publikováno v:
Analytical Chemistry. 81:3600-3607
To study transmetalation effects of the gadolinium-based contrast agent Magnevist (Gd-DTPA), the first analytical method for the simultaneous determination of Gd-DTPA and its transmetalation products in complex clinical samples was developed. The hig
Autor:
Faruk Tokmak, Uwe Karst, Gerhard A. Wiesmüller, Stephan Reichelt, Sascha Nowak, Lydia Terborg, Andreas Günsel, Jens Künnemeyer, Lena Telgmann, Andy Scheffer
Publikováno v:
Analytical Chemistry. 80:8163-8170
The first analytical method for simultaneous speciation analysis of five of the most important gadolinium-based magnetic resonance imaging (MRI) contrast agents in blood plasma samples was developed. Gd-DTPA (Magnevist), Gd-BT-DO3A (Gadovist), Gd-DOT
Publikováno v:
Analyst, 133, 167-174. Royal Society of Chemistry
Obstacles and possible solutions for the application of microchip capillary electrophoresis in quantitative analysis are described and critically discussed. Differences between the phenomena occurring during conventional capillary electrophoresis and
Autor:
Stefan Trümpler, Jens Künnemeyer, Wolfgang Buscher, Uwe Karst, Gerhard A. Wiesmüller, Sascha Nowak, Lydia Terborg, Andreas Günsel
Publikováno v:
Analytical and bioanalytical chemistry. 407(3)
Low gas flow ICP-OES with a total argon consumption below 0.7 L/min is introduced for the analysis of trace elements in blood samples to investigate the influence of samples containing an organic solvent in a demanding matrix on the performance of th
Autor:
Jens Künnemeyer, Lena Telgmann, Annika Klose, Marcel Hartmann, Michael R. Sperling, Uwe Karst, Michael Holtkamp, Carsten Volker Gelhard
Publikováno v:
Metallomics : integrated biometal science. 3(10)
A simple and rapid method to determine gadolinium (Gd) concentrations in urine and blood plasma samples by means of total reflection X-ray fluorescence (TXRF) was developed. With a limit of detection (LOD) of 100 μg L(-1) in urine and 80 μg L(-1) i
Autor:
Jens Künnemeyer, Lydia Terborg, Ines Möller, Uwe Karst, Björn Meermann, Christine Brauckmann, Andy Scheffer
Publikováno v:
Environmental Science & Technology. 43:5549-5550
Autor:
Jens Künnemeyer, Terborg, Lydia, Nowak, Sascha, Scheffer, Andy, Telgmann, Lena, Tokmak, Faruk, Günsel, Andreas, Wiesmüller, Gerhard, Reichelt, Stephan, Karst, Uwe
Publikováno v:
Analytical Chemistry; 11/1/2008, Vol. 80 Issue 21, p8163-8170, 8p