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Application of Standoff LIF to Living and Inactivated Bacteria Samples

Walter, Arne and Duschek, Frank and Fellner, Lea and Grünewald, Karin and Tomaso, Herbert and Handke, Jürgen (2016) Application of Standoff LIF to Living and Inactivated Bacteria Samples. In: Security Research Conference. 11th Future Security. Proceedings., pp. 261-268. Fraunhofer Verlag. Future Security 2016, 13.-14. Sep. 2016, Berlin, Deutschland. ISBN 9783839610114

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Official URL: http://www.future-security2016.de/content/dam/iaf/future-security2016/de/Dokumente/FuSec2016_Proceedings-E-Book.pdf

Abstract

To minimize the impact of an airborne bio-agent output, sensitive, specific and swift detection and identification are essential. A single method can hardly meet all of these requirements. Point sensors allow highly sensitive and specific identification but are localized and comparatively slow. Most laser-based standoff systems lack selectivity and specificity but provide real-time detection and classification in a wide region with additional information about location and propagation. A combination of both methods allows benefiting from their complementary assets and may be a promising solution to optimize detection and identification of hazardous substances. Here, we present progress for an outdoor bio-detector based on laser-induced fluorescence (LIF) developed at the DLR Lampoldshausen. After excitation at 280 and 355 nm, bacteria species express unique fluorescence spectra. Upon deactivation, the spectral features change depending on the applied method.

Item URL in elib:https://elib.dlr.de/107908/
Document Type:Conference or Workshop Item (Speech)
Title:Application of Standoff LIF to Living and Inactivated Bacteria Samples
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Walter, Arnearne.walter (at) dlr.dehttps://orcid.org/0000-0002-4377-9152
Duschek, Frankfrank.duschek (at) dlr.dehttps://orcid.org/0000-0002-1809-0257
Fellner, Lealea.fellner (at) dlr.dehttps://orcid.org/0000-0002-1359-0260
Grünewald, Karinkarin.gruenewald (at) dlr.dehttps://orcid.org/0000-0003-0922-2307
Tomaso, Herbertfriedrich-loeffler-institut, institute of bacterial infections and zoonoses, naumburger strasse 96a, 07743 jenaUNSPECIFIED
Handke, Jürgenjuergen.handke (at) dlr.deUNSPECIFIED
Date:September 2016
Journal or Publication Title:Security Research Conference. 11th Future Security. Proceedings.
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 261-268
Editors:
EditorsEmail
Ambacher, OliverFraunhofer IAF
Quay, RüdigerFraunhofer IAF
Wagner, JoachimFraunhofer IAF
Publisher:Fraunhofer Verlag
ISBN:9783839610114
Status:Published
Keywords:Bacteria; Fluorescence, laser induced; Spectroscopy; Standoff detection; Biological sensing and sensors; Hazardous material; Biological agent
Event Title:Future Security 2016
Event Location:Berlin, Deutschland
Event Type:international Conference
Event Dates:13.-14. Sep. 2016
Organizer:Fraunhofer VVS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Laser Research and Technology
Location: Lampoldshausen
Institutes and Institutions:Institute of Technical Physics
Deposited By: Walter, Arne
Deposited On:16 Nov 2016 14:07
Last Modified:31 Jul 2019 20:05

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  • Application of Standoff LIF to Living and Inactivated Bacteria Samples. (deposited 16 Nov 2016 14:07) [Currently Displayed]

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