TY - JOUR A1 - Baumann, Marcus A1 - Jahnke, J. T1 - Chemical and Physical Effects on the Shape and Growth of the Diatom Biddulphia sinensis GREVILLE in Batch Cultures: A Contribution to Bioindication in Plankton Ecology / Jahnke, J. ; Baumann, M. JF - Hydrobiological Bulletin . 17 (1983), H. 1 Y1 - 1983 SN - 0165-1404 SP - 5 EP - 20 ER - TY - JOUR A1 - Werner, Frederik A1 - Krumbe, Christoph A1 - Schumacher, Katharina A1 - Groebel, Simone A1 - Spelthahn, Heiko A1 - Stellberg, Michael A1 - Wagner, Torsten A1 - Yoshinobu, Tatsuo A1 - Selmer, Thorsten A1 - Keusgen, Michael A1 - Baumann, Marcus A1 - Schöning, Michael Josef T1 - Determination of the extracellular acidification of Escherichia coli by a light-addressable potentiometric sensor JF - Physica status solidi (a) : applications and material science. 208 (2011), H. 6 Y1 - 2011 SN - 1862-6319 SP - 1340 EP - 1344 PB - Wiley CY - Weinheim ER - TY - JOUR A1 - Schiffels, Johannes A1 - Baumann, Marcus A1 - Selmer, Thorsten T1 - Facile analysis of short-chain fatty acids as 4-nitrophenyl esters in complex anaerobic fermentation samples by high performance liquid chromatography JF - Journal of Chromatography A. 1218 (2011), H. 34 Y1 - 2011 SN - 0021-9673 SP - 5848 EP - 5851 PB - Elsevier CY - Amsterdam ER - TY - JOUR A1 - Kotliar, Konstantin A1 - Lanzl, Ines M. A1 - Hanssen, Henner A1 - Eberhardt, Karla A1 - Vilser, Walthard A1 - Halle, Martin A1 - Heemann, Uwe A1 - Schmidt-Trucksäss, Arno A1 - Baumann, Marcus T1 - Does increased blood pressure rather than aging influence retinal pulse wave velocity? JF - Investigative Ophthalmology & Visual Science, IOVS N2 - Purpose: It was demonstrated previously that retinal pulse wave velocity (rPWV) as a measure of retinal arterial stiffness is increased in aged anamnestically healthy volunteers compared with young healthy subjects. Using novel methodology of rPWV assessment this finding was confirmed and investigated whether it might relate to the increased blood pressure usually accompanying the aging process, rather than to the aging itself. Methods: A total of 12 young 25.5-year-old (24.0–28.8) [median(1st quartile–3rd quartile)] and 12 senior 68.5-year-old (63.8–71.8) anamnestically healthy volunteers; and 12 senior 63.0-year-old (60.8–65.0) validated healthy volunteers and 12 young 33.0-year-old (29.5–35.0) hypertensive patients were examined. Time-dependent alterations of vessel diameter were assessed by the Dynamic Vessel Analyzer in a retinal artery of each subject. The data were filtered and processed using mathematical signal analysis and rPWVs were calculated. Results: rPWV amounted to 1200 (990-1470) RU (relative units)/s in the hypertensive group and to 1040 (700-2230) RU/s in anamnestically healthy seniors. These differed significantly from rPWVs in young healthy group (410 [280–500] RU/s) and in validated healthy seniors (400 [320–510] RU/s). rPWV associated with age and mean arterial pressure (MAP) in the pooled cohort excluded validated healthy seniors. In a regression model these associations remain when alternately adjusted for MAP and age. When including validated healthy seniors in the pooled cohort only association with MAP remains. Conclusions: Both aging (with not excluded cardiovascular risk factors) and mild hypertension are associated with elevated rPWV. rPWV increases to a similar extent both in young mildly hypertensive subjects and in aged anamnestically healthy persons. Healthy aging is not associated with increased rPWV. Y1 - 2012 U6 - http://dx.doi.org/10.1167/iovs.11-8815 SN - 0146-0404 VL - 53 IS - 4 SP - 2119 EP - 2126 PB - ARVO CY - Rockville, Md. ER - TY - JOUR A1 - Werner, Frederik A1 - Groebel, Simone A1 - Krumbe, Christoph A1 - Wagner, Torsten A1 - Selmer, Thorsten A1 - Yoshinobu, Tatsuo A1 - Baumann, Marcus A1 - Schöning, Michael Josef T1 - Nutrient concentration-sensitive microorganism-based biosensor JF - Physica Status Solidi (a) Y1 - 2012 U6 - http://dx.doi.org/10.1002/pssa.201100801 SN - 1862-6319 VL - 209 IS - 5 SP - 900 EP - 904 PB - Wiley-VCH CY - Weinheim ER - TY - JOUR A1 - Kotliar, Konstantin A1 - Baumann, Marcus A1 - Vilser, Walthard A1 - Lanzl, Ines M. T1 - Pulse wave velocity in retinal arteries of healthy volunteers JF - British Journal of Ophthalmology (eBJO) Y1 - 2011 SN - 1468-2079 VL - 95 IS - 11 SP - 675 EP - 679 PB - BMJ Publ. Group CY - London ER - TY - JOUR A1 - Baumann, Marcus A1 - Schwarz, Sonja A1 - Kotliar, Konstantin A1 - Eynatten, Maximilian von A1 - Trucksaess, Arno A1 - Burckhardt, Klaus A1 - Lutz, Jens A1 - Heemann, Uwe A1 - Lanzl, Ines T1 - Non-diabetic chronic kidney disease influences retinal microvasculature JF - Kidney and Blood Pressure Research Y1 - 2009 SN - 1423-0143 VL - 32 IS - 6 SP - 428 EP - 433 PB - - ER - TY - JOUR A1 - Burkhardt, Klaus A1 - Schwarz, Sonja A1 - Pan, Chengrui A1 - Stelter, Felix A1 - Kotliar, Konstantin A1 - Eynatten, Maxilian von A1 - Sollinger, Daniel A1 - Lanzl, Ines A1 - Heemann, Uwe A1 - Baumann, Marcus T1 - Myeloid-related protein 8/14 complex describes microcirculatory alterations in patients with type 2 diabetes and nephropathy JF - Cardiovascular Diabetology Y1 - 2009 SN - 1475-2840 VL - 8 IS - 10 SP - 1 EP - 8 PB - - ER - TY - JOUR A1 - Schiffels, Johannes A1 - Pinkenburg, Olaf A1 - Schelden, Maximilian A1 - Aboulnaga, El-Hussiny A. A. A1 - Baumann, Marcus A1 - Selmer, Thorsten T1 - An innovative cloning platform enables large-scale production and maturation of an oxygen-tolerant [NiFe]-hydrogenase from cupriavidus necator in Escherichia coli JF - PLOS one. 2013 Y1 - 2013 U6 - http://dx.doi.org/10.1371/journal.pone.0068812 SN - 1932-6203 PB - Public Library of Science CY - San Francisco, California ER - TY - JOUR A1 - Smith, Walker O. A1 - Baumann, Marcus A1 - Wilson, David L. A1 - Aletsee, Ludwig T1 - Phytoplankton biomass and productivity in the marginal ice zone of the Fram Strait during summer 1984 JF - Journal of geophysical research Y1 - 1987 SN - 2156-2202 (E-Journal); 2169-9291 (E-Journal); 0148-0227 (Print); 2169-9275 (Print) VL - Vol. 92 IS - Iss. C7 SP - 6777 EP - 6786 ER -