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1

Detection of antibiotic-resistant bacteria and their resistance genes in wastewater, surface water, and drinking water biofilms

Thomas Schwartz, Wolfgang Kohnen, Bernd Jansen, Ursula Obst

Journal:

FEMS Microbiology Ecology

Année:

2003

Langue:

english

Fichier:

PDF, 320 KB

english, 2003

2

Detection of antibiotic-resistant bacteria and their resistance genes in wastewater, surface water, and drinking water biofilms

Thomas Schwartz, Wolfgang Kohnen, Bernd Jansen, Ursula Obst

Journal:

FEMS Microbiology Ecology

Année:

2003

Langue:

english

Fichier:

PDF, 313 KB

english, 2003

3

Strategies of maintaining the natural purification potential of rivers and lakes

Journal:

Environmental Science and Pollution Research

Année:

2003

Langue:

english

Fichier:

PDF, 738 KB

english, 2003

4

Drinking water biofilms on copper and stainless steel exhibit specific molecular responses towards different disinfection regimes at waterworks

Jungfer, Christina, Friedrich, Frank, Varela Villarreal, Jessica, Brändle, Katharina, Gross, Hans-Jürgen, Obst, Ursula, Schwartz, Thomas

Journal:

Année:

2013

Langue:

english

Fichier:

PDF, 772 KB

english, 2013

5

Relevance of Polymeric Matrix Enzymes during Biofilm Formation

Anna M. Romaní, Katharina Fund, Joan Artigas, Thomas Schwartz, Sergi Sabater and Ursula Obst

Journal:

Microbial Ecology

Année:

2008

Langue:

english

Fichier:

PDF, 1.32 MB

english, 2008

6

The impact of recombinant fusion-hydrophobin coated surfaces on E. coli and natural mixed culture biofilm formation

Rieder, Annika, Ladnorg, Tatjana, Wöll, Christof, Obst, Ursula, Fischer, Reinhard, Schwartz, Thomas

Journal:

Année:

2011

Langue:

english

Fichier:

PDF, 964 KB

english, 2011

7

Electrofiltration improves dead-end filtration of hyaluronic acid and presents an alternative downstream processing step that overcomes technological challenges of conventional methods

Gözke, Gözde, Kirschhöfer, Frank, Prechtl, Carolin, Brenner-Weiss, Gerald, Krumov, Nikolay Venelinov, Obst, Ursula, Posten, Clemens

Journal:

Engineering in Life Sciences

Année:

2017

Langue:

english

Fichier:

PDF, 627 KB

english, 2017

8

Detection of primary DNA damage in Chlamydomonas reinhardtii by means of modified microgel electrophoresis

Monika Erbes, Adelheid Weßler, Ursula Obst, Aloysius Wild

Journal:

Environmental and Molecular Mutagenesis

Année:

1997

Langue:

english

Fichier:

PDF, 196 KB

english, 1997

9

Wirkungsbezogene Analytik: Zielgerichteter Stoffnachweis im Wasser

Ursula Obst, Gerald Brenner-Weiß

Journal:

Chemie in unserer Zeit

Année:

2002

Langue:

german

Fichier:

PDF, 303 KB

german, 2002

10

Modern Approaches To Evaluate Water Quality

Journal:

CLEAN – Soil, Air, Water

Année:

2001

Langue:

english

Fichier:

PDF, 155 KB

english, 2001

11

ChemInform Abstract: Effect-Orientated Analysis

Ursula Obst, Gerald Brenner-Weiss

Journal:

Année:

2002

Fichier:

PDF, 23 KB

2002

12

Non-Invasive Size-Control of Pneumatically Conveyed Particles

Priv. Doz. Dr. rer. nat. Franz Rudolf Block, Dipl.-Phys. Heike-ursula Obst

Journal:

Particle & Particle Systems Characterization

Année:

1993

Langue:

english

Fichier:

PDF, 302 KB

english, 1993

13

Enzymes In Vitro as indicators for pesticides: An examination

Maria Wiegand-Rosinus, Ursula Obst Wfm, Klaus Haberer, Aloysius Wild

Journal:

Environmental Toxicology

Année:

1992

Langue:

english

Fichier:

PDF, 415 KB

english, 1992

14

Inhibition of the biological self-purification by chlorophenols, sodium dodecyl sulfate, and the complexing agents ethylenediaminetetraacetic acid and nitrilotriacetic acid

Adelheid Weßler, Ursula Obst

Journal:

Environmental Toxicology

Année:

1994

Langue:

english

Fichier:

PDF, 358 KB

english, 1994

15

Approaches to bioresponse-linked instrumental analysis in water analysis

Gerald Brenner-Weiß, Ursula Obst

Journal:

Analytical and Bioanalytical Chemistry

Année:

2003

Langue:

english

Fichier:

PDF, 296 KB

english, 2003

16

The quorum-sensing moleculeN-3-oxododecanoyl homoserine lactone (3OC12-HSL) enhances the host defence by activating human polymorphonuclear neutrophils (PMN)

Christof Wagner, Sabine Zimmermann, Gerald Brenner-Weiss, Friederike Hug, Birgit Prior, Ursula Obst, Gertrud Maria Hänsch

Journal:

Analytical and Bioanalytical Chemistry

Année:

2007

Langue:

english

Fichier:

PDF, 171 KB

english, 2007

17

Use of quantitative real-time RT-PCR to analyse the expression of some quorum-sensing regulated genes inPseudomonas aeruginosa

Thomas Schwartz, Sandra Walter, Silke-Mareike Marten, Frank Kirschhöfer, Michael Nusser, Ursula Obst

Journal:

Analytical and Bioanalytical Chemistry

Année:

2007

Langue:

english

Fichier:

PDF, 309 KB

english, 2007

18

Quorum sensing: bacterial chatting

Journal:

Analytical and Bioanalytical Chemistry

Année:

2007

Langue:

english

Fichier:

PDF, 62 KB

english, 2007

19

A lysozyme and magnetic bead based method of separating intact bacteria

Ebru Diler, Ursula Obst, Katja Schmitz, Thomas Schwartz

Journal:

Analytical and Bioanalytical Chemistry

Année:

2011

Langue:

english

Fichier:

PDF, 634 KB

english, 2011

20

MALDI-ToF mass spectrometry–multivariate data analysis as a tool for classification of reactivation and non-culturable states of bacteria

Boris Kuehl, Silke-Mareike Marten, Yvonne Bischoff, Gerald Brenner-Weiß, Ursula Obst

Journal:

Analytical and Bioanalytical Chemistry

Année:

2011

Langue:

english

Fichier:

PDF, 582 KB

english, 2011

21

A new concept for the bioeffects-related analysis of xenoestrogens: Hyphenation of receptor assays with LC-MS

Martin Seifert, Gerald Brenner-Weiß, Stefanie Haindl, Michael Nusser, Ursula Obst, B. Hock

Journal:

Analytical and Bioanalytical Chemistry

Année:

1999

Langue:

english

Fichier:

PDF, 120 KB

english, 1999

22

Relevance of Polymeric Matrix Enzymes During Biofilm Formation

Anna M. Romaní, Katharina Fund, Joan Artigas, Thomas Schwartz, Sergi Sabater, Ursula Obst

Journal:

Microbial Ecology

Année:

2008

Langue:

english

Fichier:

PDF, 206 KB

english, 2008

23

Morphological, Bacterial, and Secondary Metabolite Changes ofAplysina aerophobaupon Long-Term Maintenance Under Artificial Conditions

Berna Gerçe, Thomas Schwartz, Matthias Voigt, Sebastian Rühle, Silke Kirchen, Annika Putz, Peter Proksch, Ursula Obst, Christoph Syldatk, Rudolf Hausmann

Journal:

Microbial Ecology

Année:

2009

Langue:

english

Fichier:

PDF, 356 KB

english, 2009

24

Analysis of non-covalent protein complexes by capillary electrophoresis–time-of-flight mass spectrometry

Gerald Brenner-Weiss, Frank Kirschhöfer, Boris Kühl, Michael Nusser, Ursula Obst

Journal:

Journal of Chromatography A

Année:

2003

Langue:

english

Fichier:

PDF, 270 KB

english, 2003

25

Real-time PCR detection of Pseudomonas aeruginosa in clinical and municipal wastewater and genotyping of the ciprofloxacin-resistant isolates

Thomas Schwartz, Holger Volkmann, Silke Kirchen, Wolfgang Kohnen, Katja Schön-Hölz, Bernd Jansen, Ursula Obst

Journal:

FEMS Microbiology Ecology

Année:

2006

Langue:

english

Fichier:

PDF, 208 KB

english, 2006

26

Patterns of biofilm formation in two streams from different bioclimatic regions: analysis of microbial community structure and metabolism

Artigas, Joan, Fund, Katharina, Kirchen, Silke, Morin, Soizic, Obst, Ursula, Romaní, Anna M., Sabater, S., Schwartz, Thomas

Journal:

Année:

2012

Langue:

english

Fichier:

PDF, 343 KB

english, 2012

27

Filtration kinetics of chitosan separation by electrofiltration

Gözde Gözke, Frank Kirschhöfer, Stefan Heissler, Mirko Trutnau, Gerald Brenner-Weiss, Jelka Ondruschka, Ursula Obst, Clemens Posten

Journal:

Biotechnology Journal

Année:

2012

Langue:

english

Fichier:

PDF, 930 KB

english, 2012

28

Einsatz enzymatischer Untersuchungen in der Wasseraufbereitung

Annette Holzapfel-Pschorn, Ursula Obst, Klaus Haberer

Journal:

Analytical and Bioanalytical Chemistry

Année:

1988

Fichier:

PDF, 175 KB

1988

29

Sensitive methods for the determination of microbial activities in water samples using fluorigenic substrates

Annette Holzapfel-Pschorn, Ursula Obst, Klaus Haberer

Journal:

Analytical and Bioanalytical Chemistry

Année:

1987

Langue:

english

Fichier:

PDF, 257 KB

english, 1987

30

Test instructions for measuring the microbial metabolic activity in water samples

Journal:

Analytical and Bioanalytical Chemistry

Année:

1985

Langue:

english

Fichier:

PDF, 378 KB

english, 1985

31

Culture-independent techniques applied to food industry water surveillance — A case study

Jessica Varela Villarreal, Thomas Schwartz, Ursula Obst

Journal:

International Journal of Food Microbiology

Année:

2010

Langue:

english

Fichier:

PDF, 762 KB

english, 2010

32

Effects of synbiotic fermentation products on primary chemoprevention in human colon cells

Katrin Stein, Anke Borowicki, Daniel Scharlau, Anika Schettler, Kerstin Scheu, Ursula Obst, Michael Glei

Journal:

The Journal of Nutritional Biochemistry

Année:

2012

Langue:

english

Fichier:

PDF, 352 KB

english, 2012

33

P XIV B.4 - P XIV B.4 Detection of primary DNA damage in an unicellular protozoa Acanthamoeba castellanii by a modified test protocol of the comet assay — investigations of humic substances and their interaction with genotoxines

Adelheid Weßler, Peter Krolla-Sidenstein, Ursula Obst

Journal:

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis

Année:

1997

Langue:

english

Fichier:

PDF, 134 KB

english, 1997

34

P XIV B.17 - P XIV B.17 The use of the comet assay in an unicellular green alga for the assessment of genotoxic potential and masking effects of humic substances

Monika Erbes, Adelheid Weder, Ursula Obst

Journal:

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis

Année:

1997

Langue:

english

Fichier:

PDF, 124 KB

english, 1997

35

A Nested Array of rRNA Targeted Probes for the Detection and Identification of Enterococci by Reverse Hybridization

Thomas Behr, Cornelia Koob, Matthias Schedl, André Mehlen, Harald Meier, Dietmar Knopp, Edith Frahm, Ursula Obst, Karl Heinz Schleifer, Reinhard Niessner, Wolfgang Ludwig

Journal:

Systematic and Applied Microbiology

Année:

2000

Langue:

english

Fichier:

PDF, 4.33 MB

english, 2000

36

Application of 23S rDNA-targeted Oligonucleotide Probes Specific for Enterococci to Water Hygiene Control

Edith Frahm, Ines Heiber, Sandra Hoffmann, Cornelia Koob, Harald Meier, Wolfgang Ludwig, Rudolf Amann, Karl H. Schleifer, Ursula Obst

Journal:

Systematic and Applied Microbiology

Année:

1998

Langue:

english

Fichier:

PDF, 2.93 MB

english, 1998

37

Rapid Parallel Detection of Hygienically Relevant Microorganisms in Water Samples by PCR and Specific Hybridization in Microtiter Plates

Edith Frahm, Ines Heiber, Wolfgang Ludwig, Ursula Obst

Journal:

Systematic and Applied Microbiology

Année:

2001

Langue:

english

Fichier:

PDF, 225 KB

english, 2001

38

Combined use of molecular biology taxonomy, Raman spectrometry, and ESEM imaging to study natural biofilms grown on filter materials at waterworks

Thomas Schwartz, Christina Jungfer, Stefan Heißler, Frank Friedrich, Werner Faubel, Ursula Obst

Journal:

Année:

2009

Langue:

english

Fichier:

PDF, 865 KB

english, 2009

39

Inter-kingdom signalling: A quorum-sensing molecule of Pseudomonas aeruginosa activates human polymorphonuclear neutrophils (PMN)

Gertrud Maria Hänsch, Obst Ursula

Journal:

Année:

2009

Langue:

english

Fichier:

PDF, 111 KB

english, 2009

40

Evaluation of inhibition and cross-reaction effects on real-time PCR applied to the total DNA of wastewater samples for the quantification of bacterial antibiotic resistance genes and taxon-specific targets

Holger Volkmann, Thomas Schwartz, Silke Kirchen, Carmen Stofer, Ursula Obst

Journal:

Molecular and Cellular Probes

Année:

2007

Langue:

english

Fichier:

PDF, 211 KB

english, 2007

41

Detection of clinically relevant antibiotic-resistance genes in municipal wastewater using real-time PCR (TaqMan)

Holger Volkmann, Thomas Schwartz, Petra Bischoff, Silke Kirchen, Ursula Obst

Journal:

Journal of Microbiological Methods

Année:

2004

Langue:

english

Fichier:

PDF, 248 KB

english, 2004

42

Immunological detection of UV induced cyclobutane pyrimidine dimers and (6–4) photoproducts in DNA from reference bacteria and natural aquatic populations

Kraft Stephanie, Obst Ursula, Schwartz Thomas

Journal:

Journal of Microbiological Methods

Année:

2011

Langue:

english

Fichier:

PDF, 794 KB

english, 2011

43

Corrigendum to “Immunological detection of UV induced cyclobutane pyrimidine dimers and (6-4) photoproducts in DNA from reference bacteria and natural aquatic populations” [Journal of Microbiological Methods 84 (2011) 435–441]

Stephanie Kraft, Ursula Obst, Thomas Schwartz

Journal:

Journal of Microbiological Methods

Année:

2012

Langue:

english

Fichier:

PDF, 95 KB

english, 2012

44

Host defence against Staphylococcus aureus biofilms infection: Phagocytosis of biofilms by polymorphonuclear neutrophils (PMN)

Frank Günther, Guido H. Wabnitz, Petra Stroh, Birgit Prior, Ursula Obst, Yvonne Samstag, Christof Wagner, G. Maria Hänsch

Journal:

Molecular Immunology

Année:

2009

Langue:

english

Fichier:

PDF, 2.07 MB

english, 2009

45

Investigation of natural biofilms formed during the production of drinking water from surface water embankment filtration

Farahnaz Emtiazi, Thomas Schwartz, Silke Mareike Marten, Peter Krolla-Sidenstein, Ursula Obst

Journal:

Année:

2004

Langue:

english

Fichier:

PDF, 319 KB

english, 2004

46

UV-induced dark repair mechanisms in bacteria associated with drinking water

Christina Jungfer, Thomas Schwartz, Ursula Obst

Journal:

Année:

2007

Langue:

english

Fichier:

PDF, 500 KB

english, 2007

47

Application of a molecular biology concept for the detection of DNA damage and repair during UV disinfection

Jacqueline Süß, Sabrina Volz, Ursula Obst, Thomas Schwartz

Journal:

Année:

2009

Langue:

english

Fichier:

PDF, 472 KB

english, 2009

48

Congruence in the performance of model nitrifying activated sludge plants located in Germany, Scotland and Spain

Nick Christofi, Elena Aspichueta, David Dalzell, Alejandro De la Sota, Javier Etxebarria, Teresa Fernandes, Monica Gutierrez, John Morton, Ursula Obst, Peter Schmellenkamp

Journal:

Année:

2003

Langue:

english

Fichier:

PDF, 208 KB

english, 2003

49

Formation and bacterial composition of young, natural biofilms obtained from public bank-filtered drinking water systems

Thomas Schwartz, Sandra Hoffmann, Ursula Obst

Journal:

Année:

1998

Langue:

english

Fichier:

PDF, 806 KB

english, 1998

50

Application of the fluorogenic probe technique (TaqMan PCR) to the detection of Enterococcus spp. and Escherichia coli in water samples

Edith Frahm, Ursula Obst

Journal:

Journal of Microbiological Methods

Année:

2003

Langue:

english

Fichier:

PDF, 146 KB

english, 2003