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1

Traditional Chinese medicine and sports drug testing: identification of natural steroid administration in doping control urine samples resulting from musk (pod) extracts

Thevis, M., Schanzer, W., Geyer, H., Thieme, D., Grosse, J., Rautenberg, C., Flenker, U., Beuck, S., Thomas, A., Holland, R., Dvorak, J.

Journal:

British Journal of Sports Medicine

Year:

2013

Language:

english

File:

PDF, 766 KB

english, 2013

2

[IEEE 2017 IEEE 20th International Symposium on Design and Diagnostics of Electronic Circuits & Systems (DDECS) - Dresden, Germany (2017.4.19-2017.4.21)] 2017 IEEE 20th International Symposium on Design and Diagnostics of Electronic Circuits & Systems (DDECS) - Mapping abstract and concrete hardware models for design understanding

Flenker, Tino, Fey, Gorschwin

Year:

2017

Language:

english

File:

PDF, 86 KB

english, 2017

3

Conference Report – Recent developments in stable isotope research: Joint European Stable Isotope User Meeting 2008

Flenker, Ulrich

Journal:

Year:

2009

Language:

english

File:

PDF, 820 KB

english, 2009

4

[IEEE 2017 22nd Asia and South Pacific Design Automation Conference (ASP-DAC) - Chiba, Japan (2017.1.16-2017.1.19)] 2017 22nd Asia and South Pacific Design Automation Conference (ASP-DAC) - Property mining using dynamic dependency graphs

Malburg, Jan, Flenker, Tino, Fey, Gorschwin

Year:

2017

Language:

english

File:

PDF, 152 KB

english, 2017

5

Efficient valve-spring modelling with MBS valve-train design

Christian Flenker,Ulrich Uphoff

Journal:

MTZ worldwide eMagazine

Year:

2005

Language:

english

File:

PDF, 186 KB

english, 2005

6

Determination of the deuterium/hydrogen ratio of endogenous urinary steroids for doping control purposes

Thomas Piper, Mario Thevis, Ulrich Flenker, Wilhelm Schänzer

Journal:

Rapid Communications in Mass Spectrometry

Year:

2009

Language:

english

File:

PDF, 883 KB

english, 2009

7

243. Hämorrhagischer Schock — Ultrastrukturelle Veränderungen der Adenohypophyse der Ratte

K. Leber, H. Flenker, H. Themann

Journal:

Langenbeck's Archives of Surgery

Year:

1978

File:

PDF, 102 KB

1978

8

Excretion of norsteroids’ phase II metabolites of different origin in human

Claudiane Guay, Danielle Goudreault, Wilhem Schänzer, Ulrich Flenker, Christiane Ayotte

Journal:

Year:

2009

Language:

english

File:

PDF, 494 KB

english, 2009

9

KTQ® - ein krankenhausspezifisches Zertifizierungsverfahren

Flenker, I., Bredehöft, J.

Journal:

Aktuelle Neurologie

Year:

2001

Language:

german

File:

PDF, 131 KB

german, 2001

10

Determination of the origin of urinary norandrosterone traces by gas chromatography combustion isotope ratio mass spectrometry

Hebestreit, Moritz, Flenker, Ulrich, Fu?h?ller, Gregor, Geyer, Hans, G?ntner, Ute, Mareck, Ute, Piper, Thomas, Thevis, Mario, Ayotte, Christiane, Sch?nzer, Wilhelm

Journal:

The Analyst (Royal Society of Chemistry)

Year:

2006

Language:

english

File:

PDF, 344 KB

english, 2006

11

Improved Performance and Maintenance in Gas Chromatography/Isotope Ratio Mass Spectrometry by Precolumn Solvent Removal

Flenker, Ulrich, Hebestreit, Moritz, Piper, Thomas, Hülsemann, Frank, Schänzer, Wilhelm

Journal:

Analytical Chemistry

Year:

2007

Language:

english

File:

PDF, 279 KB

english, 2007

12

Isolation of bicarbonate from equine urine for isotope ratio mass spectrometry†

Hülsemann, Frank, Flenker, Ulrich, Machnik, Marc, Schänzer, Wilhelm

Journal:

Isotopes in Environmental and Health Studies

Year:

2007

Language:

english

File:

PDF, 205 KB

english, 2007

13

Effects of estradiol, estrogen receptor subtype-selective agonists and genistein on glucose metabolism in leptin resistant female Zucker diabetic fatty (ZDF) rats

Weigt, Carmen, Hertrampf, Torsten, Flenker, Ulrich, Hülsemann, Frank, Kurnaz, Pinar, Fritzemeier, Karl Heinrich, Diel, Patrick

Journal:

The Journal of Steroid Biochemistry and Molecular Biology

Year:

2015

Language:

english

File:

PDF, 1.63 MB

english, 2015

14

[IEEE 2015 IEEE 24th Asian Test Symposium (ATS) - Mumbai, India (2015.11.22-2015.11.25)] 2015 IEEE 24th Asian Test Symposium (ATS) - Diagnostic Tests and Diagnosis for Delay Faults Using Path Segmentation

Flenker, Tino, Sulflow, Andre, Fey, Goerschwin

Year:

2015

Language:

english

File:

PDF, 212 KB

english, 2015

15

Vergleich zweier Routinemethoden zur Aktivitätsbestimmung des Isoenzyms CK-MB bei Patienten mit akuten Myokardinfarkten und extrakardialen Erkrankungen

Flenker, I., Sabin, G., Neuhausen, P., Ricken, D.

Journal:

Laboratoriums Medizin

Year:

1979

Language:

german

File:

PDF, 930 KB

german, 1979

16

Determination of 13C/12C ratios of endogenous urinary steroids: method validation, reference population and application to doping control purposes

Thomas Piper, Ute Mareck, Hans Geyer, Ulrich Flenker, Mario Thevis, Petra Platen, Wilhelm Schänzer

Journal:

Rapid Communications in Mass Spectrometry

Year:

2008

Language:

english

File:

PDF, 349 KB

english, 2008

17

Myxoid liposarcoma

Hellmut Flenker

Journal:

Virchows Archiv

Year:

1976

Language:

english

File:

PDF, 1.75 MB

english, 1976

18

Determination of 13C/12C ratios of urinary epitestosterone and its main metabolites 5α- and 5β-androstane-3α, 17α-diol

Thomas Piper, Phillip Riemann, Georg Opfermann, Ute Mareck, Hans Geyer, Graziela Vajiala, Ulrich Flenker, Wilhelm Schänzer

Journal:

Drug Testing and Analysis

Year:

2009

Language:

english

File:

PDF, 720 KB

english, 2009

19

Qualitätssicherung in der ambulanten Substitutionstherapie Opiatabhängiger - ASTO: Ein Projekt der Ärztekammer Westfalen-Lippe -

Flenker, Ingo, Follmann, Anke, Nolting, Hans-Dieter

Journal:

Year:

2001

File:

PDF, 271 KB

2001

20

Global spatial distributions of nitrogen and carbon stable isotope ratios of modern human hair

Hülsemann, Frank, Lehn, Christine, Schneiders, Sabine, Jackson, Glen, Hill, Sarah, Rossmann, Andreas, Scheid, Nicole, Dunn, Philip J. H., Flenker, Ulrich, Schänzer, Wilhelm

Journal:

Rapid Communications in Mass Spectrometry

Year:

2015

Language:

english

File:

PDF, 1.53 MB

english, 2015

21

Validity of stable isotope data in doping control: perspectives and proposals

Ulrich Flenker, Leo N. Geppert, Katja Ickstadt

Journal:

Drug Testing and Analysis

Year:

2012

Language:

english

File:

PDF, 635 KB

english, 2012

22

Sports-Related Issues and Biochemistry of Natural and Synthetic Anabolic Substances

Parr, Maria K., Flenker, Ulrich, Schänzer, Wilhelm

Journal:

Endocrinology and Metabolism Clinics of North America

Year:

2010

Language:

english

File:

PDF, 176 KB

english, 2010

23

Isotope ratio mass spectrometry – history and terminology in brief

Journal:

Drug Testing and Analysis

Year:

2012

Language:

english

File:

PDF, 97 KB

english, 2012

24

Do we excrete what we eat? Analysis of stable nitrogen isotope ratios of human urinary urea

Huelsemann, Frank, Koehler, Karsten, Flenker, Ulrich, Schaenzer, Wilhelm

Journal:

Rapid Communications in Mass Spectrometry

Year:

2017

Language:

english

File:

PDF, 800 KB

english, 2017

25

Stable isotope analysis of the bioelements: an introduction

Flenker, Ulrich

Journal:

Year:

2009

Language:

english

File:

PDF, 549 KB

english, 2009

26

Doping-Control Analysis of the 5??-Reductase Inhibitor Finasteride: Determination of Its Influence on Urinary Steroid Profiles and Detection of Its Major Urinary Metabolite

Thevis, Mario, Geyer, Hans, Mareck, Ute, Flenker, Ulrich, Sch??nzer, Wilhelm

Journal:

Therapeutic Drug Monitoring

Year:

2007

Language:

english

File:

PDF, 1.20 MB

english, 2007

27

Effect of a controlled dietary change on carbon and nitrogen stable isotope ratios of human hair

Frank Huelsemann, Ulrich Flenker, Karsten Koehler, Wilhelm Schaenzer

Journal:

Rapid Communications in Mass Spectrometry

Year:

2009

Language:

english

File:

PDF, 119 KB

english, 2009

28

Effects of High Intensity Exercise on Isoelectric Profiles and SDS-PAGE Mobility of Erythropoietin

Voss, S., Lüdke, A., Romberg, S., Schänzer, E., Flenker, U., deMarees, M., Achtzehn, S., Mester, J., Schänzer, W.

Journal:

International Journal of Sports Medicine

Year:

2010

Language:

english

File:

PDF, 326 KB

english, 2010

29

Smooth Muscle Cell-Targeted RNA Aptamer Inhibits Neointimal Formation

Thiel, William H, Esposito, Carla L, Dickey, David D, Dassie, Justin P, Long, Matthew E, Adam, Joshua, Streeter, Jennifer, Schickling, Brandon, Takapoo, Maysam, Flenker, Katie S, Klesney-Tait, Julia,

Journal:

Molecular Therapy

Year:

2016

Language:

english

File:

PDF, 760 KB

english, 2016

30

Quantitative analysis of urinary glycerol levels for doping control purposes using gas chromatography-mass spectrometry

Thevis, Mario, Guddat, Sven, Flenker, Ulrich, Schänzer, Wilhelm

Journal:

European Journal of Mass Spectrometry

Year:

2008

Language:

english

File:

PDF, 453 KB

english, 2008

31

Prediction of human dietary δ 15 N intake from standardised food records: validity and precision of single meal and 24-h diet data

Hülsemann, Frank, Koehler, Karsten, Wittsiepe, Jürgen, Wilhelm, Michael, Hilbig, Annett, Kersting, Mathilde, Braun, Hans, Flenker, Ulrich, Schänzer, Wilhelm

Journal:

Isotopes in Environmental and Health Studies

Year:

2017

Language:

english

File:

PDF, 1.39 MB

english, 2017

32

Irreversible Thermic Shock in Rats: Methods and Results of a Standardized Shock Model

Flenker, Hellmut

Journal:

Journal of International Medical Research

Year:

1981

Language:

english

File:

PDF, 6.89 MB

english, 1981

33

Determination of salbutamol and salbutamol glucuronide in human urine by means of liquid chromatography-tandem mass spectrometry

Ute Mareck, Sven Guddat, Anne Schwenke, Simon Beuck, Hans Geyer, Ulrich Flenker, Jimmi Elers, Vibeke Backer, Mario Thevis, Wilhelm Schänzer

Journal:

Drug Testing and Analysis

Year:

2011

Language:

english

File:

PDF, 396 KB

english, 2011

34

-Values of endogenous urinary steroids

Ulrich Flenker, Ute Güntner, Wilhelm Schänzer

Journal:

Year:

2008

Language:

english

File:

PDF, 613 KB

english, 2008

35

Molecular effects of ER alpha- and beta-selective agonists on regulation of energy homeostasis in obese female Wistar rats

Weigt, Carmen, Hertrampf, Torsten, Kluxen, Felix M., Flenker, Ulrich, Hülsemann, Frank, Fritzemeier, Karl Heinrich, Diel, Patrick

Journal:

Molecular and Cellular Endocrinology

Year:

2013

Language:

english

File:

PDF, 1.16 MB

english, 2013

36

Ein Beitrag zum Pseudo-LE-Syndrom

J. Sennekamp, E. Genth, I. Flenker, K. H. Hermanutz, J. Wagner, L. Beltz, H. G. Rohner

Journal:

Journal of Molecular Medicine

Year:

1976

File:

PDF, 1.84 MB

1976

37

Effiziente Modellierung von Ventilfedern mit der MKS-Ventiltriebsberechnung

Dipl.-Ing. Christian Flenker,Dr.-Ing. Ulrich Uphoff

Journal:

MTZ - Motortechnische Zeitschrift

Year:

2005

Language:

german

File:

PDF, 852 KB

german, 2005

38

Caffeine in doping control: Determination of 13 C in urinary excreted caffeine

Flenker, Ulrich, Schänzer, Wilhelm

Journal:

European Journal of Sport Science

Year:

2001

Language:

english

File:

PDF, 164 KB

english, 2001

39

Evolving concepts and techniques for anti-doping

Friedmann, Theodore, Flenker, Ulrich, Georgakopoulos, Costas, Alsayrafi, Mohammed, Sottas, Pierre-Edouard, Williams, Stephen A, Gill, Rosalynn D

Journal:

Year:

2012

Language:

english

File:

PDF, 1.87 MB

english, 2012

40

Authenticity control and identification of origin of synthetic creatine-monohydrate by isotope ratio mass spectrometry

Frank Hülsemann, Ulrich Flenker, Maria Parr, Hans Geyer, Wilhelm Schänzer

Journal:

Year:

2011

Language:

english

File:

PDF, 308 KB

english, 2011

41

61. Vascular Smooth Muscle Cell RNA Aptamers for the Treatment of Cardiovascular Disease

Thiel, William H., Esposito, Carla L., Dickey, David D., Dassie, Justin P., Long, Matthew E., Adam, Joshua, Streeter, Jennifer, Schickling, Brandon, Takapoo, Maysam, Flenker, Katie S., Klesney-Tait, J

Journal:

Molecular Therapy

Year:

2015

Language:

english

File:

PDF, 273 KB

english, 2015

42

Reversibler und irreversibler haemorrhagischer Schock bei der Ratte. Methode und Ergebnisse eines standardisierten Modells

Hellmut Flenker, Engelbert Greupner

Journal:

Beiträge zur Pathologie

Year:

1974

Language:

english

File:

PDF, 1.03 MB

english, 1974

43

Human dietary δ 15 N intake: Representative data for principle food items

Huelsemann, F., Koehler, K., Braun, H., Schaenzer, W., Flenker, U.

Journal:

American Journal of Physical Anthropology

Year:

2013

Language:

english

File:

PDF, 215 KB

english, 2013

44

Response to Letter to the Editor regarding “Rapid determination of urinary di(2-ethylhexyl) phthalate metabolites based on liquid chromatography/tandem mass spectrometry as a marker for blood transfusion in sports drug testing”

E. Solymos, S. Guddat, H. Geyer, U. Flenker, A. Thomas, J. Segura, R. Ventura, P. Platen, M. Schulte-Mattler, M. Thevis, W. Schänzer

Journal:

Analytical and Bioanalytical Chemistry

Year:

2011

Language:

english

File:

PDF, 69 KB

english, 2011

45

Rapid determination of urinary di(2-ethylhexyl) phthalate metabolites based on liquid chromatography/tandem mass spectrometry as a marker for blood transfusion in sports drug testing

E. Solymos, S. Guddat, H. Geyer, U. Flenker, A. Thomas, J. Segura, R. Ventura, P. Platen, M. Schulte-Mattler, M. Thevis, W. Schänzer

Journal:

Analytical and Bioanalytical Chemistry

Year:

2011

Language:

english

File:

PDF, 848 KB

english, 2011

46

Comment on “Validation of specificity in doping control: problems and prospects”

Ulrich Flenker, Wilhelm Schänzer

Journal:

Accreditation and Quality Assurance

Year:

2010

Language:

english

File:

PDF, 117 KB

english, 2010

47

13C/12C Ratios of endogenous urinary steroids investigated for doping control purposes

Thomas Piper, Ulrich Flenker, Ute Mareck, Wilhelm Schänzer

Journal:

Drug Testing and Analysis

Year:

2009

Language:

english

File:

PDF, 202 KB

english, 2009

48

Determination of 13C/12C ratios of urinary excreted boldenone and its main metabolite 5β-androst-1-en-17β-ol-3-one

Thomas Piper, Hans Geyer, Vassilios Gougoulidis, Ulrich Flenker, Wilhelm Schänzer

Journal:

Drug Testing and Analysis

Year:

2010

Language:

english

File:

PDF, 162 KB

english, 2010

49

Connatal endocardial myxoma

Hellmut Flenker

Journal:

Virchows Archiv

Year:

1972

Language:

english

File:

PDF, 505 KB

english, 1972

50

Application of stable carbon isotope analysis to the detection of 17β-estradiol administration to cattle

C. Buisson, M. Hebestreit, A. Preiss Weigert, K. Heinrich, H. Fry, U. Flenker, S. Banneke, S. Prevost, F. Andre, W. Schaenzer, E. Houghton, B. Le Bizec

Journal:

Journal of Chromatography A

Year:

2005

Language:

english

File:

PDF, 653 KB

english, 2005

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