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Surface-enhanced Raman scattering (SERS) system for continuous measurements of chemicals in sea-water

Title data

Murphy, T. ; Lucht, S. ; Schmidt, Heinar ; Kronfeldt, Heinz-Detlef:
Surface-enhanced Raman scattering (SERS) system for continuous measurements of chemicals in sea-water.
In: Journal of Raman Spectroscopy. Vol. 31 (October 2000) Issue 10 . - pp. 943-948.
ISSN 0377-0486
DOI: https://doi.org/10.1002/1097-4555(200010)31:10<943::AID-JRS626>3.0.CO;2-X

Abstract in another language

A laboratory-based system for measurement of chemicals in sea-water with sol-gel-derived surface-enhanced Raman scattering (SERS) substrates is presented, The motivation behind this work was the development of a marinized prototype sensor. A long-term spectral stability of better than 1 cm(-1) over a period of several months was observed, Photodegradation of the SERS layer was avoided by the choice of optical components and layout, Dielectric edge filters and holographic notch filters were compared. Coated fibres were tested and results are discussed in terms of fibre choice, reduction of background signal, sensitivity and time response. Continuous analysis was performed with two how-through cells, the first a modification to a standard glass cuvette and the second an improved in-house-constructed aluminium cell, SERS investigations on samples whose turbidity ranged from 0 to 400 NTU were performed with both cells, These tests show the suitability of the developed system for continuous monitoring of real samples and possible application in on-line process control.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: ISI:000089925000012
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Lehrstuhl Bioanalytik und Lebensmittelanalytik > Lehrstuhl Bioanalytik und Lebensmittelanalytik - Univ.-Prof. Dr. Andreas Römpp
Graduate Schools > Bayreuth Graduate School of Mathematical and Natural Sciences (BayNAT) > Molecular Biosciences
Result of work at the UBT: No
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 540 Chemistry
500 Science > 570 Life sciences, biology
Date Deposited: 30 Jul 2019 08:59
Last Modified: 30 Jul 2019 09:11
URI: https://eref.uni-bayreuth.de/id/eprint/51624