Zobrazeno 1 - 10
of 279
pro vyhledávání: '"Löhmannsröben, Hans‐Gerd"'
Publikováno v:
Sensors. - ISSN 1424-8220. - 5 (2005), S. 61 - 69
Absorption and fluorescence properties of 4 hydraulic oils (3 biological and 1 petroleum-based) were investigated. In-situ LIF (laser-induced fluorescence) analysis of the oils on a brown sandy loam soil was performed. With calibration, quantitative
Externí odkaz:
http://opus.kobv.de/ubp/volltexte/2007/1226/
Autor:
Schmälzlin, Elmar, Dongen, Joost T. van, Klimant, Ingo, Marmodée, Bettina, Steup, Martin, Fishahn, Joachim, Geigenberger, Peter, Löhmannsröben, Hans-Gerd
Publikováno v:
Biophysical Journal. - ISSN 1542-0086 (online). - 89 (2005), S. 1339 - 1345
A technique has been developed to measure absolute intracellular oxygen concentrations in green plants. Oxygen-sensitive phosphorescent microbeads were injected into the cells and an optical multifrequency phase-modulation technique was used to discr
Externí odkaz:
http://opus.kobv.de/ubp/volltexte/2007/1223/
Publikováno v:
Laser in environmental and life sciences : modern analytical methods. - ISBN 3540402608. - 2004, S. 79 - 98
Contents: Introduction Experimental Techniques: The LIF demonstrator unit - The LIF demonstrator unit - The mobile LIF spectrometer OPTIMOS - Investigated petroleum products and soil samples Results and Discussion: Photophysical properties of the pet
Externí odkaz:
http://opus.kobv.de/ubp/volltexte/2007/1227/
Publikováno v:
Proc. SPIE Vol. 5544 (2004), pp. 47 - 54
The performance of a home-built tunable diode laser (TDL) spectrometer has been optimized regarding multi-line detection of carbon dioxide in natural gases. In the regime of the (3001)III ← (000) band of 12CO2 around 1.6 μm, the dominating isotope
Externí odkaz:
http://opus.kobv.de/ubp/volltexte/2006/1014/
Autor:
Dosche, Carsten, Kumke, Michael U., Löhmannsröben, Hans-Gerd, Ariese, F., Bader, A. N., Gooijer, C., Miljanic, O. S., Iwamoto, M., Vollhardt, K. Peter C., Puchta, R. ; van Eikema Hommes, N. J. R.
Publikováno v:
Physical chemistry, chemical physics : PCCP ; a journal of European chemical societies. - ISSN 1463-9076. - 6 (2004), S. 5476 - 5483
Deuteration effects on the vibronic structure of the emission and excitation spectra of triangular [4]phenylene (D3h[4]phenylene) were studied using laser-excited Shpolskii spectroscopy (LESS) in an octane matrix at 4.2 K. For correct assignment of t
Externí odkaz:
http://opus.kobv.de/ubp/volltexte/2007/1188/
Autor:
Dosche, Carsten, Mickler, Wulfhard, Löhmannsröben, Hans-Gerd, Agent, Nicolas, Vollhardt, K. Peter C.
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry, In Press, Accepted Manuscript.
First studies of electron transfer in [N]phenylenes were performed in bimolecular quenching reactions of angular [3]- and triangular [4]phenylene with various electron acceptors. The relation between the quenching rate constants kq and the free energ
Externí odkaz:
http://opus.kobv.de/ubp/volltexte/2007/1246/
Publikováno v:
Biophysica; Jun2024, Vol. 4 Issue 2, p207-226, 20p
Publikováno v:
Proceedings of SPIE, Vol. 6191 (2006), 61910X
Quantum dots (QDs) are common as luminescing markers for imaging in biological applications because their optical properties seem to be inert against their surrounding solvent. This, together with broad and strong absorption bands and intense, sharp
Externí odkaz:
http://opus.kobv.de/ubp/volltexte/2006/950/
Publikováno v:
Anwendungen und Trends in der optischen Analysenmesstechnik : 5. Konferenz über optische Analysenmesstechnik in Industrie und Umwelt : Konferenz Mannheim, 26. bis 27. September 2006. - Düsseldorf : VDI Verlag GmbH, 2006. - p. 97 - 114. - (VDI-Berichte ; 1959). - ISBN 3-18-091959-0
Die Anwendung zweier ähnlicher fasergekoppelte Diodenlaser-Spektrometer-Systeme werden vorgestellt. Basis sind handelsübliche DFB-Laserdioden der optischen Kommunikationstechnik. Der faseroptische Aufbau, das Detektionsverfahren (2f Wellenlängenmo
Externí odkaz:
http://opus.kobv.de/ubp/volltexte/2007/1234/
Publikováno v:
Sensors and Actuators B: Chemical. - ISSN 0925-4005. - 119 (2006),
The salivary glands of the blowfly were injected with luminescent oxygen-sensitive microbeads. The changes in oxygen content within individual gland tubules during hormone-induced secretory activity were quantified. The measurements are based on an u
Externí odkaz:
http://opus.kobv.de/ubp/volltexte/2007/1220/