PD Dr. Thomas Letzel Augsburg, den 20.01.2021

1

H. Rehm und T. Letzel

‘Der Experimentator:

Proteinchemie/Proteomics’

Spektrum Verlag; 6. Edition

(24. November 2009),

ISBN-13: 978-3827423122

Springer Spektrum; 7. Edition

(03. Juni 2016),

ISBN: 978-3-662-48850-8

T. Letzel (Editor)

Protein and Peptide Analysis

by LC-MS: Experimental

Strategies

(RSC Chromatography

Monographs), Royal Society of

Chemistry

(31. August 2011),

ISBN-13 978-1849731829.

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

2

J. E. Drewes and T. Letzel (Editors)

Assessing Transformation Products

of Chemicals by Non-Target and

Suspect Screening – Strategies and

Workflows

(Volume 1 and 2)

e-book (ACS SYMPOSIUM SERIES

1241 and 1242),

American Society of Chemistry

(09. December 2016),

Hardcover book

Oxford University Press

(10. May 2018)

Vol.1: ISBN13: 9780841231931

Vol.2: ISBN13: 9780841231955

S. Bieber, H.-G. Döteberg,

G. Greco, S. Kromidas und

T. Letzel

HPLC-Tipps Band 3:

Gradient, HILIC, SFC und

Trends in der HPLC

(Pirrot-Verlag; Editor: S.

Kromidas),

(22. November 2016)

ISBN 978-3-937436-58-6

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

3

Table of Contents

Books pages1/2

Table of Contents page 3

Original research paper (with peer-review) page 4

Review Articles (mainly with peer-review) ->RR page 19

Tipps, Book Chapters, News & others ->R page 23

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

4

Original research paper (with peer-review)

81. S. Minkus, S. Bieber, T. Letzel: (Very) polar organic compounds in the Danube river

basin: Hidden target screening workflow employing categorization and prioritization to

extract highly confident features

Analytical Methods 2021, submitted. (open access)

80. R. Wahman, A. Sauvêtre, P. Schröder, S. Moser, T. Letzel: Untargeted metabolomics

studies on drug-incubated Phragmites australis profiles

Metabolites 2021, 11(1), 2. (open access)

https://www.mdpi.com/2218-1989/11/1/2

79. J. Reichel, J. Graßmann, T. Letzel, J. E. Drewes

Systematic development of a simultaneous determination of plastic particle identity and

adsorbed organic compounds by thermodesorption – pyrolysis GC/MS (TD-Pyr-GC/MS)

Molecules (Analytical Section) 2020, 25(21), 4985. (open access)

https://www.mdpi.com/1420-3049/25/21/4985

78. C. Heim, M. Rajab, G. Greco, S. Grosse, J. E. Drewes, T. Letzel, B. Helmreich:

Fate of diclofenac and its transformation and inorganic by-products in different water

matrices during Electrochemical Advanced Oxidation Process Using a Boron-Doped

Diamond Electrode

Water 2020, 12(6), 1686. (open access)

https://www.mdpi.com/2073-4441/12/6/1686

77. S. Minkus, S. Grosse, S. Bieber, S. Veloutsou, T. Letzel: Optimized hidden target

screening for very polar molecules in surface waters including a compound database

inquiry

Analytical and Bioanalytical Chemistry 2020, 412 (20), 4953–4966. (open access

reading)

https://link.springer.com/epdf/10.1007/s00216-020-02743-

0?sharing_token=Oyt8AoZvF0iWKJv8g4zmt_e4RwlQNchNByi7wbcMAY4bNptSXBIo

CP5ZHT_2ToC2nA2dhD1mtyfY5lW6OylKb1KzjlrTkhMHpNYaG15Hz9YVAa3RFo4

DmrxZrUWIYQhtmU1HET-E3qXfkSdwXEWCMkOl-6Zy4jHEnmKjDbOc51c%3D

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

5

76. R. Wahman, J. Grassmann, A. Sauvêtre, P. Schroeder and T. Letzel: Lemna minor studies

under various storage periods using extended-polarity extraction and metabolite non-

target screening analysis

Journal of Pharmaceutical and Biomedical Analysis 2020, 188, 5 September 2020,

113362.

https://www.sciencedirect.com/science/article/abs/pii/S0731708520312486

75. E. Leeb, T. Stefan, T. Letzel, J. Hinrichs, and U. Kulozik: Tryptic hydrolysis of β-

lactoglobulin: A generic approach to describe the hydrolysis kinetic and release of

peptides

International Dairy Journal 2020, 105, 104666.

https://www.sciencedirect.com/science/article/pii/S0958694620300364?dgcid=author

74. H. Rüdel, W. Körner, T. Letzel, M. Neumann, K. Nödler, and T. Reemtsma: Persistent,

mobile and toxic substances in the environment - a spotlight on current research and

regulatory activities.

Environmental Sciences Europe 2020, 32, 5 doi:10.1186/s12302-019-0286-x. (open

access)

https://enveurope.springeropen.com/track/pdf/10.1186/s12302-019-0286-x

73. S. Bieber, S. Moser, H.-W. Bilke and T. Letzel: Optimization of electrospray ionization

for supercritical fluid chromatographic separations with mass spectrometric detection

using design of experiments

LCGC Europe 2019, 32(10), 526-535. (open access)

http://www.chromatographyonline.com/design-experiment-strategy-electrospray-

ionization-optimization-supercritical-fluid-chromatography-m

72. P. Rostkowski, P. Haglund, R. Aalizadeh, N. Alygizakis, N. Thomaidis, J. B. Arandes, P.

Booij, H. Budzinski, P. Brunswick, A. Covaci, S. Grosse, R. Hindle, I. Ipolyi, K. Jobst, S.

L.Kaserzon, P. Leonards, F. Lestremau, T. Letzel, J. Magnér, H. Matsukami, C. Moschet,

P. Oswald, M. Plassmann, J. Slobodnik, C. Yang: The Strength in Numbers:

Comprehensive Characterization of House Dust using Complementary Mass

Spectrometric Techniques

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

6

Analytical and Bioanalytical Chemistry 2019, 411 (10), 1957–1977. (open access)

https://link.springer.com/content/pdf/10.1007%2Fs00216-019-01615-6.pdf

.

71. L.F. Stadlmair, S. Grosse, T. Letzel, J.E. Drewes, J. Grassmann: Comprehensive MS-

based screening and identification of pharmaceutical transformation products formed

during enzymatic conversion.

Analytical and Bioanalytical Chemistry 2019, 411 (2), 339–351.

https://link.springer.com/article/10.1007/s00216-018-1442-7

70. S. Bieber, T. Letzel: Orthogonal separation techniques to analyze (very) polar molecules

in water samples: Assessing SFC and Reversed-Phase LC–HILIC.

LCGC Europe 2018, 31(11), 602-606. (Cover story; open access)

http://www.chromatographyonline.com/orthogonal-separation-techniques-analyze-very-

polar-molecules-water-samples-assessing-sfc-and-revers

69. L.F. Stadlmair, T. Letzel, J. Grassmann: Monitoring enzymatic degradation of emerging

contaminants using a chip-based robotic nano-ESI-MS tool

Analytical and Bioanalytical Chemistry 2018, 410 (1), 27-32.

https://link.springer.com/article/10.1007/s00216-017-0729-4

68. S. Bieber, G. Greco, S. Grosse, T. Letzel: RPLC-HILIC and SFC with mass

spectrometry: Polarity-extended organic molecule screening in environmental (water)

samples.

Analytical Chemistry 2017, 89 (15), 7907-7914.

https://pubs.acs.org/doi/10.1021/acs.analchem.7b00859

67. L.F. Stadlmair, T. Letzel, J.E. Drewes, J. Grassmann: Mass spectrometry based in vitro

assay investigations on the transformation of pharmaceutical compounds by oxidative

enzymes.

Chemosphere 2017, 174, 466-477.

https://www.sciencedirect.com/science/article/pii/S004565351730156X

66. C.M. Kaufmann, T. Letzel, J. Grassmann, M.W. Pfaffl: Effect of Perilla frutescens

extracts on porcine jejunal epithelial cells.

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

7

Phytotherapy Research 2017, 31(2), 303-311.

https://onlinelibrary.wiley.com/doi/10.1002/ptr.5750

65. M. Rajab, C. Heim, T. Letzel, J.E. Drewes, B. Helmreich: Electrochemical oxidation of

Bisphenol A by a boron-doped diamond electrode in different water matrices:

Identification of transformation products and evaluation of inorganic by-products

International Journal of Environmental Science and Technology 2016, 13, 2539-2548.

https://link.springer.com/article/10.1007/s13762-016-1087-z

64. E. Tyteca, S. Bieber, T. Letzel, G. Desmet: Possibilities and limitations of computer-

assisted method development in HILIC: a case study.

Chromatographia 2016, 80, 771-781

https://link.springer.com/article/10.1007/s10337-016-3127-8

63. C. Heim, M. Rajab, T. Letzel, J.E. Drewes, B. Helmreich: Ozone III: Application of

Boron-Doped Diamond Electrodes for Inactivation of Microbial Contaminants in

Different Water Matrices.

Brewing Science 2016, 69 (3/4), 21-25.

https://brewingscience.de/index.php?tpl=table_of_contents&year=2016&edition=0003%

2F0004

62. M. Krappmann, A.R. de Boer, D.R.W. Kool, H. Irth, T. Letzel: Mass Spectrometric Real-

Time Monitoring of an Enzymatic Phosphorylation Assay using Internal Standards and

Data Handling Freeware.

Rapid Communications in Mass Spectrometry 2016, 30 (8), 1019–1030.

https://onlinelibrary.wiley.com/doi/abs/10.1002/rcm.7529

61. C.M. Kaufmann, J. Graßmann, T. Letzel: HPLC method development for the online-

coupling of chromatographic Perilla frutescens extract separation with xanthine oxidase

enzymatic assay

Journal of Pharmaceutical and Biomedical Analysis 2016, 124, 347–357.

https://www.sciencedirect.com/science/article/abs/pii/S0731708516301297

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

8

60. C. Huber, M. Preis, P.J. Harvey, S. Grosse, T. Letzel, P. Schröder: Emerging pollutants

and plants - metabolic activation of Diclofenac by peroxidases.

Chemosphere 2016, 146, 435-441.

https://www.sciencedirect.com/science/article/pii/S0045653515305130

59. T. Burkhardt, T. Letzel, J.E. Drewes, J. Grassmann: Comprehensive assessment of

Cytochrome P450 reactions: a multiplex approach using real-time ESI-MS.

BBA- General Subjects 2015, 1850 (12), 2573-2581.

https://www.sciencedirect.com/science/article/pii/S0304416515002585

58. T. Letzel, A. Bayer, W. Schulz, A. Heermann, T. Lucke, G. Greco, S. Grosse, W.

Schüssler, M. Sengl, M. Letzel: LC-MS Screening Techniques for Waste Water Analysis

and Analytical Data Handling Strategies: Sartans and Their Transformation Products as

an Example

Chemosphere 2015, 137, 198-206.

https://www.sciencedirect.com/science/article/pii/S0045653515007031

57. E. Leeb, A. Goetz, T. Letzel, S. C. Cheison, U. Kulozik: Influence of denaturation and

aggregation of β-Lactoglobulin on its tryptic hydrolysis and the release of functional

peptides.

Food Chemistry 2015, 187, 545-554.

https://www.sciencedirect.com/science/article/pii/S0308814615005804

56. M. Rajab, C. Heim, T. Letzel, J.E. Drewes, B. Helmreich: Electrochemical disinfection

using boron-doped diamond electrode - The synergetic effects of in situ ozone and free

chlorine generation.

Chemosphere 2015, 121, 47-52.

https://www.sciencedirect.com/science/article/pii/S0045653514012685

55. C. Heim, M. Ureña de Vivanco, M. Rajab, E. Müller, T. Letzel, B. Helmreich: Rapid

inactivation of waterborne bacteria using boron-doped diamond electrodes.

International Journal of Environmental Science and Technology 2015, 12, 3061-3070.

https://link.springer.com/article/10.1007/s13762-014-0722-9

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

9

54. M. Krappmann, C. Kaufmann, R.K. Scheerle, J. Grassmann, T. Letzel: Achroma -

software: high-quality policy in (a-)typical mass spectrometric data handling and applied

functional proteomics.

Journal of Proteomics and Bioinformatics 2014, 7(9) 264-271. (open access)

https://mediatum.ub.tum.de/doc/1286399/1286399.pdf

53. M. Feiner, C. Laforsch, T. Letzel, J. Geist: Sublethal effects of the beta-blocker sotalol at

environmentally relevant concentrations on the New Zealand mud-snail Potamopyrgus

antipodarum.

Environmental Toxicology and Chemistry 2014, 33 (11), 2510-2515.

https://setac.onlinelibrary.wiley.com/doi/abs/10.1002/etc.2699

52. E. Leeb, A. Holder, T. Letzel, S. Cheison, U. Kulozik, J. Hinrichs: Fractionation of dairy

based functional peptides using ion-exchange membrane adsorption chromatography and

cross-flow electro membrane filtration.

International Dairy Journal 2014, 38(2), 116-123.

https://www.sciencedirect.com/science/article/abs/pii/S0958694613003087

51. C.M. Kaufmann, J. Graßmann, D. Treutter, T. Letzel: Utilization of real-time ESI-MS to

gain further insight into the course of nucleotide degradation by intestinal alkaline

phosphatase.

Rapid Communications in Mass Spectrometry 2014, 28, 869-878.

https://onlinelibrary.wiley.com/doi/abs/10.1002/rcm.6855

50. G. Greco, A. Boltner, T. Letzel: Behavior of apolar compounds in serial RPLC/HILIC

separations with mass spectrometric detection.

American Journal of Modern Chromatography 2014, 1(1), 12-25. (open access)

https://pdfs.semanticscholar.org/6968/f2469b97d6c230a288b9c6a06ee4a6c4e1fd.pdf

49. G. Greco, S. Grosse, T. Letzel: Robustness of a method based on the serial coupling of

reversed-phase and zwitterionic hydrophilic interaction LC/MS for the analysis of

phenols.

Journal of Separation Sciences 2014, 37 (6), 630–634.

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

10

https://onlinelibrary.wiley.com/doi/10.1002/jssc.201301112

48. M. Rajab, C. Heim, G. Greco, B. Helmreich, T. Letzel: Removal of sulfamethoxazole

from wastewater treatment plant effluents by a boron-doped diamond electrode.

International Journal of Environmental Pollution and Solutions 2013, 1 (3), 88-97. (open

access)

https://www.academia.edu/26501701/Removal_of_Sulfamethoxazole_from_Wastewater

_Treatment_Plant_Effluents_by_a_Boron-doped_Diamond_Electrode

47. M.-E. Lacombe-Harvey, M. Fortin, T. Ohnuma, T. Fukamizo, J. T. Letzel, and R.

Brzezinski: A highly conserved arginine residue of the chitosanase from Streptomyces sp.

N174 is involved both in catalysis and substrate binding.

BMC Biochemistry, 2013, 14 (23), 1-13. (open access)

https://bmcbiochem.biomedcentral.com/track/pdf/10.1186/1471-2091-14-23

46. A.A. Aydin and T. Letzel: Simultaneous investigation of sesquiterpenes, pyrrolizidine

alkaloids and N-oxides in Butterbur (Petasites hybridus) with an offline 2D-combination

of HPLC-UV and LC-MMI-ToF-MS.

Journal of Pharmaceutical and Biomedical Analysis 2013, 85, 74-82.

https://www.sciencedirect.com/science/article/abs/pii/S0731708513002823

45. M. Rajab, G. Greco, C. Heim, B. Helmreich, and T. Letzel: Serial coupling of RP and

zwitterionic hydrophilic interaction LC-MS: Suspects screening of diclofenac

transformation products by oxidation with a boron-doped diamond electrode.

Journal of Separation Science 2013, 36 (18), 3011-3018.

https://onlinelibrary.wiley.com/doi/10.1002/jssc.201300562

44. G. Greco, S. Grosse, and T. Letzel: HILIC-RP HPLC-API-ToF MS for the determination

of polar and apolar organic molecules in wines.

Journal of Separation Science 2013, 36 (8), 1279-1388.

https://onlinelibrary.wiley.com/doi/abs/10.1002/jssc.201200920

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

11

43. M. Ureña de Vivanco, M. Rajab, C. Heim, B. Helmreich, and T. Letzel: Setup and

energetic considerations for three advanced oxidation systems treating organic

compounds.

Chemical Engineering and Technology, 2013, 36 (2), 355-361.

https://onlinelibrary.wiley.com/doi/10.1002/ceat.201200478

42. M. Zitouni, M. Fortin, R.K. Scheerle, T. Letzel, D. Matteau, S. Rodrigue, and R.

Brezinski: Biochemical and molecular characterization of a thermostable chitosanase

produced by the strain Paenibacillus sp.1794 newly isolated from compost.

Applied Microbiology and Biotechnology 2013, 97, 5801–5813.

https://link.springer.com/article/10.1007/s00253-012-4483-4

41. R. K. Scheerle, J. Graßmann, and T. Letzel: Characterization of enzymatic assays by real-

time ESI-MS regarding their susceptibility towards organic solvents and multiplexing.

Analytical Sciences 2012, 28, 607-612. (open access)

https://www.jstage.jst.go.jp/article/analsci/28/6/28_607/_pdf/-char/en

40. J. Laaks, T. Letzel. T.C. Schmidt, and M.A. Jochmann: Fingerprinting of red wine by

headspace solid-phase dynamic extraction of volatile constituents.

Analytical and Bioanalytical Chemistry 2012, 403 (8), 2429-2436.

https://link.springer.com/article/10.1007/s00216-012-5909-7

39. G. Greco, S. Grosse, and T. Letzel: Study of the retention behavior in zwitterionic

hydrophilic interaction chromatography of isomeric hydroxy- and aminobenzoic acids.

Journal of Chromatography A 2012, 1235, 60-67.

https://www.sciencedirect.com/science/article/pii/S0021967312002907

38. M. Krappmann and T. Letzel: Achroma- A software strategy for analysing (a-) typical

mass-spectrometric data.

Analytical Methods 2012, 4, 1060-1071.

https://pubs.rsc.org/en/content/articlelanding/2012/ay/c2ay05622d#!divAbstract

37. H. Oberacher, F. Pitterl, E. Siapi, B. R. Steele, T. Letzel, S. Grosse, B. Poschner, F.

Tagliaro, R. Gottardo, S. A. Chacko, and J. L. Josephs: On the inter-instrument and the

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

12

inter-laboratory transferability of a tandem mass spectral reference library. 3. Focus on

Ion Trap and Up-front CID.

Journal of Mass Spectrometry 2012, 47 (2), 263–270.

https://onlinelibrary.wiley.com/doi/abs/10.1002/jms.2961

36. M. Melzer, A. Heidenreich, F. Dorandeu, J. Gäb, K. Kehe, H. Thiermann, T. Letzel, and

M.-M. Blum: In-vitro and in-vivo efficacy of PEGylated Diisopropyl Fluorophosphatase

(DFPase).

Drug Testing and Analysis 2012, 4 (3-4), 262–270.

https://onlinelibrary.wiley.com/doi/abs/10.1002/dta.363

35. C. Heim, M. Ureña de Vivanco, M. Rajab, K. Glas, H. Horn, B. Helmreich, and T.

Letzel: Ozone II: Characterization of In Situ ozone generation using diamond electrodes.

Brewing Science 2011, 64, 83- 88.

https://brewingscience.de/index.php?tpl=table_of_contents&year=2011&edition=0009%

2F0010

34. R. K. Scheerle, J. Graßmann, and T. Letzel: Enzymatic conversion continuously

monitored with a robotic nanoESI-MS tool: Experimental status.

Analytical Methods 2011, 3, 822-830.

https://pubs.rsc.org/en/content/articlelanding/2011/ay/c0ay00727g#!divAbstract

33. T. Letzel, E. Sahmel-Schneider, K. Skriver, T. Ohnuma, and T. Fukamizo: Chitinase-

catalyzed hydrolysis of 4-nitrophenyl penta-N-acetyl-beta-chitopentaoside as determined

by real-time ESIMS: 4-nitrophenyl moiety of the substrate interacts with the enzyme

binding site.

Carbohydrate Research 2011, 346, 863-866.

https://www.sciencedirect.com/science/article/abs/pii/S0008621511000243

32. E. Frenzel, T. Letzel, S. Scherer, and M. Ehling-Schulz: Inhibition of cereulide toxin

synthesis of emetic Bacillus cereus by long-chain polyphosphates.

Applied and Environmental Microbiology 2011, 77, 1475-1482. (open access)

https://aem.asm.org/content/77/4/1475.abstract

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

13

31. S.C. Cheison, E. Leeb, T. Letzel, and U. Kulozik: Influence of the buffer type and

concentration on the peptide composition of trypsin hydrolysates of β-lactoglobulin.

Food Chemistry 2011, 125 (1), 121–127.

https://www.sciencedirect.com/science/article/abs/pii/S0308814610010502

30. S.C. Cheison, M. Schmitt, E. Leeb, T. Letzel, and U. Kulozik: Influence of temperature

and degree of hydrolysis on the peptide composition of trypsin hydrolysates of β-

lactoglobulin: Analysis by LC-ESI-TOF/MS.

Food Chemistry 2010, 121 (2), 457-467.

https://www.sciencedirect.com/science/article/abs/pii/S030881460901485X

29. J. Svobodová, A. Muck, S. Mathur, T. Letzel, and A. Svatoš: Microchip-ESI-MS

determination of dissociation constant of the lysozyme-NAG3 complex.

Electrophoresis 2010, 31 (15), 2680-2685.

https://onlinelibrary.wiley.com/doi/epdf/10.1002/elps.201000041

28. T. Taira, M. Fujiwara, N. Dennhart, H. Hayashi, S. Onaga, T. Ohnuma, T. Letzel, S.

Sakuda, and T. Fukamizo: Transglycosylation reaction catalyzed by a class V chitinase

from cycad, Cycas revoluta: A study involving site-directed mutagenesis, HPLC, and

real-time ESI-MS.

BBA - Proteins and Proteomics 2010, 1804 (4), 668-675.

27. J. Wünschmann, M. Krajewski, T. Letzel, E.M. Huber, A. Ehrmann, E. Grill, and K.J.

Lendzian: Dissection of glutathione conjugate turnover in yeast.

Phytochemistry 2010, 71 (1), 54-61.

26. S. Masanetz, C. Kaufmann, T. Letzel, M.W. Pfaffl: Effects of pine pollen extracts on the

proliferation and mRNA expression of porcine ileal cell cultures.

Journal of Applied Botany and Food Quality 2009, 83, 14-18.

25. N. Dennhart, L.M.M. Weigang, M. Fujiwara, T. Fukamizo, K. Skriver, and T. Letzel: 26

kDa endochitinase from barley seeds: Real-time monitoring of the enzymatic reaction and

substrate binding experiments using electrospray ionization mass spectrometry.

Journal of Biotechnology 2009, 143, 274-283.

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

14

24. N. Diezemann, L.M.M. Weigang, P. Chakrabort, H. Frauendorf, T. Letzel, and U.

Diederichsen: Organisation of nucleobase functionalised β-peptides investigated by soft

electrospray ionisation mass spectrometry, CID-MS/MS and IRMPD-MS/MS.

Journal of Mass Spectrometry 2009, 44 (5), 794-802.

23. M. Letzel, G. Metzner, and T. Letzel: Exposure assessment of the pharmaceutical

diclofenac based on long-term measurements of the aquatic input.

Environment International 2009, 35, 363-368.

https://www.sciencedirect.com/science/article/pii/S0160412008001827

22. M.-E. Lacombe-Harvey, T. Fukamizo, J. Gagnon, M.G. Ghinet, N. Dennhart, T. Letzel,

and R. Brzezinski: Accessory active site residues of Streptomyces sp. N174 chitosanase –

Variations on a common theme in the lysozyme superfamily.

FEBS Journal 2009, 276, 857-869. (open access)

https://febs.onlinelibrary.wiley.com/doi/10.1111/j.1742-4658.2008.06830.x

21. L.M.M. Weigang, D. Langosch and T. Letzel: Gas-phase behaviour of noncovalent

transmembrane segment complexes.

Rapid Communications in Mass Spectrometry 2008, 22, 4089-4097.

https://onlinelibrary.wiley.com/doi/10.1002/rcm.3843

20. C. Berkemeyer and T. Letzel: LC-API-MS(/MS) for biological samples: Importance of

hydrophobicity, molecular weight and structural development.

LC-GC Europe 2008, 21 (11), 548-561. (Cover Story) (open access)

https://www.chromatographyonline.com/view/lc-api-msms-biological-samples-

importance-hydrophobicity-molecular-weight-and-structural-developme-0

19. C. Adelhelm, R. Niessner, U. Pöschl, and T. Letzel: Analysis of large oxygenated and

nitrated polycyclic aromatic hydrocarbons formed under simulated diesel engine exhaust

conditions (by compound fingerprints with SPE/LC-API-MS).

Analytical and Bioanalytical Chemistry 2008, 391, 2599-2608. (open access)

https://link.springer.com/article/10.1007/s00216-008-2175-9

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

15

18. V. Kriechbaumer, L. Weigang, A. Fießelmann, T. Letzel, M. Frey, A. Gierl, and E.

Glawischnig: Characterisation of the tryptophan synthase alpha subunit in

maize.

BMC Plant Biology 2008, 8, 44-54. (open access)

https://bmcplantbiol.biomedcentral.com/articles/10.1186/1471-2229-8-44

17. N. Dennhart, T. Fukamizo, R. Brzezinski, M.-E. Lacombe-Harvey, and T. Letzel:

Oligosaccharide hydrolysis by chitosanase enzymes monitored by real-time electrospray

ionization - mass spectrometry.

Journal of Biotechnology 2008, 134 (3-4), 253-260.

https://www.sciencedirect.com/science/article/abs/pii/S0168165608000564

16. C. Berkemeyer and T. Letzel: LC-API–MS(–MS) im Einsatz bei biologischen Proben:

Renaissance der komplementären Parameter Hydrophobizität, Molekulare Masse und

Molekülstruktur.

LC-GC AdS 2007, 2(4), 36-45. (open access)

15. J. Wünschmann, A. Beck, L. Meyer, T. Letzel, E. Grill, and K.J. Lendzian:

Phytochelatins are synthesized by two vacuolar serine carboxypeptidases in

Saccharomyces cerevisiae.

FEBS Letters 2007, 581 (8), 1681-1687.

https://febs.onlinelibrary.wiley.com/doi/10.1016/j.febslet.2007.03.039

14. M. Letzel, U. Kaul, S. Forstner, W. Schüssler, G. Metzner, D. Knopp, and T. Letzel:

Arzneimittel im Gewässer – Bilanzierung der Belastung am Beispiel des

Schmerzmittels Diclofenac.

Mitteilungen der Fachgr. Umweltchemie und Ökotoxikologie (Mitt Umweltchem Ökotox),

2007, 13 (1), 3-6. (open access)

13. R. Blum, A. Beck, A. Korte, A. Stengel, T. Letzel, K.J. Lendzian, and E. Grill: Function

of phytochelatin synthase in catabolism of glutathione-conjugates.

The Plant Journal, 2007, 49, 740-749.

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

16

12. S. Grosse and T. Letzel: Liquid chromatography / atmospheric pressure ionization mass

spectrometry with post-column liquid mixing for the efficient determination of partially

oxidized polycyclic aromatic hydrocarbons.

Journal of Chromatography A 2007, 1139, 75-83.

11. N. Dennhart and T. Letzel: Mass spectrometric real-time monitoring of enzymatic

glycosidic hydrolysis, enzymatic inhibition and enzyme complexes.

Analytical and Bioanalytical Chemistry 2006, 386, 689-698.

10. R.J.E. Derks, T. Letzel, C.F. de Jong, A. van Marle, H. Lingeman, R. Leurs, and H. Irth:

SEC-MS as an approach to isolate and identify small molecular GPCR-ligands from

complex mixtures.

Chromatographia 2006, 64, 379-385.

9. T. Letzel, R.J.E. Derks, C.T. Martha, A. van Marle, and H. Irth: Sensitive determination

of G-protein-coupled receptor binding ligands by Solid Phase Extraction – Electrospray

Ionization – Mass Spectrometry.

Journal of Pharmaceutical and Biomedical Analysis 2006, 40, 744-751.

8. A.R. de Boer, T. Letzel, H. Lingeman, and H. Irth: Systematic development of an

enzymatic phosphorylation assay compatible with mass spectrometric detection.

Analytical and Bioanalytical Chemistry 2005, 381, 647-655.

7. A.R. de Boer, T. Letzel, D.A. van Elswijk, H. Lingeman, W.M.A. Niessen, and H. Irth:

On-line coupling of high-performance liquid chromatography to a continuous-flow

enzyme assay based on electrospray ionization mass spectrometry.

Analytical Chemistry 2004, 76, 3155-3161.

6. T. Letzel, C. Schauer, R. Niessner, and U. Pöschl: Flow tube with mobile sampling

orifice: a compact reaction system for toxic and corrosive gases and aerosols.

Chemical Engineering & Technology – CET 2003, 26, 1051-1054.

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

17

5. T. Letzel, C. Schauer, U. Pöschl, and R. Niessner: Strömungsrohr mit mobilem

Probenahmekopf: Kompaktes Reaktionssystem für toxische und korrosive Gase und

Aerosole.

Chemie Ingenieur Technik – CIT 2002, 74, 1148-1151.

4. T. Letzel, U. Pöschl, R. Wissiack, E. Rosenberg, M. Grasserbauer, and R. Niessner:

Phenyl-modified reversed phase liquid chromatography coupled to atmospheric pressure

chemical ionization mass spectrometry: A universal method for the separation and

identification of partially oxidized aromatic hydrocarbons.

Analytical Chemistry 2001, 73, 1634-1645.

3. U. Pöschl, T. Letzel, C. Schauer, and R. Niessner: The interaction of benzo[a]pyrene-

coated carbon aerosol particles with ozone and water vapor: O3 and H2O adsorption,

benzo[a]pyrene degradation and atmospheric implications.

Journal of Physical Chemistry A 2001, 105, 4029-4041.

2. T. Letzel, U. Pöschl, E. Rosenberg, M. Grasserbauer, and R. Niessner: In-source

fragmentation of partially oxidized mono- and polycyclic aromatic hydrocarbons in

atmospheric pressure chemical ionization mass spectrometry coupled with liquid

chromatography.

Rapid Communications in Mass Spectrometry 1999, 13, 2456-2468.

1. T. Letzel, E. Rosenberg, R. Wissiack, M. Grasserbauer, and R. Niessner: Separation and

identification of polar degradation products of benzo[a]pyrene with ozone by atmospheric

pressure chemical ionization – mass spectrometry after optimized column

chromatographic clean-up.

Journal of Chromatography A 1999, 855, 501-514.

Patent

T. Letzel and H. Irth: Continuous-flow enzyme assay with mass spectrometry detection.

European Patent Application, EP 1367133 A1, issued 03.12.2003.

World Patent Application, WO 03/102222 A2, issued 11.12.2003.

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

18

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

19

Review Articles (mainly with peer-review)

J. Reichel, J. Grassmann, O. Knoop, J.E. Drewes, T. Letzel: Organic contaminants and

interactions with micro- and nanoplastics in the aqueous environment: Review of analytical

methods

Molecules (Analytical Section), 2021, submitted. (open access)–RR18-

S. Bieber and T. Letzel: Achiral SFC Separations - Gold Standard for the Next Generation of

Non-Target Screening.

Analytical Science Advances, 2020, online available. (open access)–RR17-

https://doi.org/10.1002/ansa.202000109

S. Bieber and T. Letzel: White Paper - Polarity-Extended Chromatography: A holistic solution

analyzing organic molecules in the aqueous environment?

AFIN-TS Forum 2020, February (1): 1-4. (open access) –RR16-

https://afin-ts.de/wp-content/uploads/2020/04/AFIN-TS_01_2020_Pol_Ex.pdf

R. Wahman, J. Grassmann, P. Schroeder and T. Letzel: Plant Metabolomics via RPLC-HILIC-

TOF-MS.

LCGC N. America and Spectroscopy supplement: Current Trends in Mass Spectrometry 2019,

March, 8-15. (open access)–RR15-

http://www.chromatographyonline.com/plant-metabolomic-workflows-using-reversed-phase-

lc-and-hilic-esi-tof-ms

L.F. Stadlmair, T. Letzel, J.E. Drewes and J. Grassmann: Enzymes in removal of

pharmaceuticals from wastewater: A critical review of challenges, applications and screening

methods for their selection

Chemosphere 2018, 205, 649-661. –RR14-

https://www.sciencedirect.com/science/article/abs/pii/S0045653518307914

E. Gracia-Lora, S. Castiglioni, R. Bade, F. Been, E. Castrignanò, A. Covaci, I. González-

Mariño, E. Hapeshi, B. Kasprzyk-Hordern, J. Kinyua, Foon Y. Lai, T. Letzel, L. Lopardo,

M.R. Meyer, J. O’Brien, P. Ramin, N.I. Rousis, A. Rydevik, Y. Ryu, M.M. Santos, I. Senta,

N.S. Thomaidis, S. Veloutsou, Z. Yang, E. Zuccato, L. Bijlsma: Measuring excretion

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

20

biomarkers in wastewater as a new source of epidemiological information: current state and

future perspectives.

Environment International 2017, 99, 131-150. –RR13-

https://www.sciencedirect.com/science/article/pii/S0160412016306936

T. Burkhardt, C. M. Kaufmann, T. Letzel, J. Grassmann: Enzymatic assays coupled with mass

spectrometry (with and without embedded liquid chromatography)

ChemBioChem 2015, 16 (14), 1985-1992. -RR12-

https://onlinelibrary.wiley.com/doi/abs/10.1002/cbic.201500325

E.L. Schymanski, H.P. Singer, J. Slobodnik, I.M. Ipolyi, P. Oswald, M. Krauss, T. Schulze, P.

Haglund, T. Letzel, S. Grosse, N.S. Thomaidis, A. Bletsou, C. Zwiener, M. Ibáñez, T.

Portolés, R. de Boer, M.J. Reid, M. Onghena, U. Kunkel, W. Schulz, A. Guillon, N. Noyon,

G. Leroy, P. Bados, S. Bogialli, D. Stipaničev, P. Rostkowski, J. Hollender. Non-target

screening with high resolution mass spectrometry: Critical review using a collaborative trial

on water analysis.

Analytical and Bioanalytical Chemistry 2015, 407 (21), 6237-6255. –RR11-.

https://link.springer.com/article/10.1007/s00216-015-8681-7

M. Krappmann, M. Luthardt, F. Lesske, T. Letzel: The software-landscape in (prote)omic

research.

Journal of Proteomics and Bioinformatics 2015, 8(7), 164-175. (open access) -RR10-

https://www.omicsonline.org/open-access/the-softwarelandscape-in-proteomic-research-jpb-

1000365.pdf

T. Letzel, T. Lucke, W. Schulz, M. Sengl, M. Letzel: In a class of its own – OMI (Organic

Molecule Identification) in water using LC-MS(/MS): Steps from “unknown” to “identified”:

a contribution to the discussion.

Lab & More International, 2014, 4, 24-28. (open access) -RR9-

http://www.int.laborundmore.com/archive/921107/OMI-(Organic-Molecule-Identification)-

in-water-using-LC-MS(-MS)%3A-Steps-from-%E2%80%9Cunknown%E2%80%9D-to-

%E2%80%9Cidentified%E2%80%9D%3A-a-contribution-to-the-discussion.html

T. Letzel: Non-Target Screening, Suspected-Target Screening und Target Screening – of

technologies and philosophies, databases and crafts.(Detective work with molecular accuracy)

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

21

Lab & More International, 2014, 1, 14-18. (open access) -RR8-

http://www.int.laborundmore.com/archive/555305/Non-target-screening,-suspected-target-

screening-and-target-screening-%E2%80%93-of-technologies-and-philosophies,-databases-

and-crafts.html

T. Letzel, T. Lucke, W. Schulz, M. Sengl, M. Letzel: IN WELCHE KLASSE KOMMST DU?

OMI (organische Molekülidentifizierung) im Wasser mittels LC-MS(/MS):

Schritte von „Unbekannt“ zu „Identifiziert“ – ein Diskussionsbeitrag.

Labor & More, 2014, 3, 52-58. (open access) -RR7-

http://www.laborundmore.com/research/8504,209275/Dr.-Thomas-Letzel/OMI-(organische-

Molekuelidentifizierung)-im-Wasser-mittels-LC-MS(-MS)%3A-Schritte-von-

%E2%80%9EUnbekannt%E2%80%9C-zu-%E2%80%9EIdentifiziert%E2%80%9C-

%E2%80%93-ein-Diskussionsbeitrag.html

T. Letzel: Non-Target Screening, Suspected-Target Screening und Target Screening – von

Technologien und Philosophien, von Datenbanken und vom Handwerk. (Molekülgenaue

Detektivarbeit)

Labor & More, 2013, 4, 30-35. (open access) -RR6-

http://www.laborundmore.com/research/8504,847909/Dr.-Thomas-Letzel/Non-Target-

Screening,-Suspected-Target-Screening-und-Target-Screening-%E2%80%93.html

G. Greco and T. Letzel: Main interactions and influences of the chromatographic parameters

in HILIC separations.

Journal of Chromatographic Science, 2013, 51 (7), 684-693. (open access) -RR5-

https://doi.org/10.1093/chromsci/bmt015

A.A. Aydin, V. Zerbes, H. Parlar, T. Letzel: The Medical Plant Butterbur (Petasites):

Analytical and Physiological (re)view.

Journal of Pharmaceutical and Biomedical Analysis 2013, 75 (5), 220-229. -RR4-

https://www.sciencedirect.com/science/article/abs/pii/S0731708512006437

G. Greco and T. Letzel: The hyphenation of HILIC, RP- HPLC and API – MS.

LCGC N. America and Spectroscopy supplement: Current Trends in Mass Spectrometry

2012, 10 (2), 40-44. (open access) -RR3-

http://www.chromatographyonline.com/hyphenation-hilic-reversed-phase-hplc-and-

atmospheric-pressure-ionization-ms-1

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

22

J. Grassmann, R. K. Scheerle, T. Letzel: Functional proteomics: application of mass

spectrometry to the study of enzymology in complex mixtures.

Analytical and Bioanalytical Chemistry 2012, 402 (2), 625-645. -RR2-

https://link.springer.com/article/10.1007/s00216-011-5236-4

T. Letzel: Real-time mass spectrometry in enzymology.

Analytical and Bioanalytical Chemistry 2008, 390, 257-261. -RR1-

https://link.springer.com/article/10.1007/s00216-007-1646-8

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

23

Tipps, Book Chapters, News & others

G. Greco and T. Letzel: Do you HILIC? (HILIC Solution Series No.1)

The Basics of HILIC (HILIC Solution Series No.2)

HILIC stationary phases (HILIC Solution Series No.3)

HILIC mobile phase: solvents (HILIC Solution Series No.4)

HILIC mobile phase: salt contents (HILIC Solution Series No.5)

HILIC mobile phase: pH (HILIC Solution Series No.6)

Column temperature in HILIC (HILIC Solution Series No.7)

Column equilibration in HILIC (HILIC Solution Series No.8)

Sample Solvent in HILIC (HILIC Solution Series No.9)

HILIC with MS detection (HILIC Solution Series No.10)

RPLC-HILIC with MS detection (HILIC Solution Series No.11)

Originally published on Separation Sciences, 2019, http://www.sepscience.com;

Now online available; see http://www.afin-ts.de/Weiterfuehrende-Literatur/Literatur-HILIC/

(open access)

https://afin-ts.de/literatur/#tab-id-4

S. Bieber und T. Letzel:

SFC–Superkritische Fluid Chromatographie oder Science Fiction Chromatographie? (SFC-Tipps Nr. 1; 08.01.2015)

Warum nun auch noch SFC? -Gründe und Grundlagen zum Einstieg in die SFC- (SFC-Tipps Nr. 2; 18.03.2015)

Potential der SFC - Von präparativer, analytischer, chiraler und achiraler Trennung (SFC-Tipps Nr.3; 02.07.2015)

Stationäre Phasen in der SFC - Welche Säule passt zu welchen Substanzen? (SFC-Tipps Nr.4; 05.11.2015)

SFC – ‚Wenn die mobile Phase dem Druck nachgibt’ oder Druckbeeinflussende Parameter in der SFC-Trennung

(SFC-Tipps Nr.5; 14.06.2017)

wird eine Serie mit mindestens 12 Ausgaben

Analytik News, 2018, http://www.analytik-news.de/; online available. (open access)

https://afin-ts.de/literatur/#tab-id-5

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

24

T. Letzel: Do you HILIC? With mass spectrometry? Then do it systematically.

In: Optimization in HPLC: Concepts and Strategies. Stavros Kromidas (ed) Wiley-VCH;

ISBN-10: 3527347895; 1st edition (23.06. 2021), in press –R51-

T. Letzel: Do you HILIC? Mit Massenspektrometrie? Dann bitte systematisch.

In: HPLC optimal einsetzen: Konzepte und Strategien für Methodenentwicklung und -

optimierung. Stavros Kromidas (ed) Wiley-VCH; ISBN-10: 3527347887; 1. Auflage (23.06.

2021), im Druck –R50-

T. Letzel: In my View - Analytical Education: a Joint Responsibility.

The Analytical Scientist 2020, 88(6), 14. (open access)–R49-

https://theanalyticalscientist.com/business-education/analytical-chemistry-a-joint-

responsibility

S. Bieber, P. Schmitt-Kopplin, M. Witting, T. Letzel: Research Paper - Separation of steroid

hormones by supercritical fluid chromatography using combined stationary phase selectivity.

AFIN-TS Forum 2020, April (3): 1-8. (open access) –R48-

https://afin-ts.de/wp-content/uploads/2020/04/AFIN-TS_03_2020_SFC-combined-1.pdf

S. Minkus, S. Bieber, T. Letzel: Application Note - Optimization of electrospray ionization

for RPLC-HILIC separations with mass spectrometric detection using design of experiments

AFIN-TS Forum 2020, March (2): 1-8. (open access) –R47-

https://afin-ts.de/wp-content/uploads/2020/03/AFIN-TS_02_2020_-ESI-Opt.pdf

C. Heim, M. Rajab, B. Helmreich, J. E. Drewes, and T. Letzel

Desinfektionsverfahren mit Diamantelektroden: Inaktivierung bakterieller Verunreinigungen.

Brauwelt 2019, (7): 181-183. –R46-

S. Bieber und T. Letzel: Specifications of gradients in supercritical fluid chromatography (SFC)

In: Gradient HPLC for Practitioners: RP, LC-MS, Ion Analytics, Biochromatography, SFC,

HILIC. Stavros Kromidas (ed) Wiley-VCH; ISBN-10: 352734408X; 1st edition (17. April

2019), S. 183-188 –R45-

https://onlinelibrary.wiley.com/doi/abs/10.1002/9783527812745.ch7

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

25

T. Letzel: Specifications of gradients in hydrophilic interaction liquid chromatography

(HILIC)

In: Gradient HPLC for Practitioners: RP, LC-MS, Ion Analytics, Biochromatography, SFC,

HILIC. Stavros Kromidas (ed) Wiley-VCH; ISBN-10: 352734408X; 1st edition (17. April

2019), S. 175-182 –R44-

https://onlinelibrary.wiley.com/doi/abs/10.1002/9783527812745.ch6

S. Bieber und T. Letzel: Spezifika der Gradientenelution in der SFC

In: Der Gradient in der HPLC für Anwender: RP, LC-MS, Ionenanalytik, Biochromatographie,

SFC, HILIC. Stavros Kromidas (ed) Wiley-VCH; ISBN-10: 3527344047; 1. Auflage (10. April

2019), S. 197-203 –R43-

https://application.wiley-vch.de/books/sample/3527344047_ftoc.pdf

T. Letzel: Spezifika der Gradientenelution in der HILIC

In: Der Gradient in der HPLC für Anwender: RP, LC-MS, Ionenanalytik,

Biochromatographie, SFC, HILIC. Stavros Kromidas (ed) Wiley-VCH; ISBN-10:

3527344047; 1. Auflage (10. April 2019), S. 187-196 –R42-

https://application.wiley-vch.de/books/sample/3527344047_ftoc.pdf

Laura Bush: Trends in Water Analysis – Interview with Thomas Letzel.

LCGC N. America 2019, 37(4), 262-264. (open access)–R41-

http://www.chromatographyonline.com/trends-water-analysis and online interview

http://www.chromatographyonline.com/analytical-techniques-water-analysis

S. Bieber, T. Letzel, E. Naegele and D. Kutscher: The Agilent 1260 Infinity Analytical SFC

System with Time-of-Flight Mass Spectrometric Detection: Method Development Using

Method Scouting Wizard.

Agilent Technical Overview, 2018 Pub Num 5994-0251EN. (open access)–R40

S. Bieber, T. Letzel und J.E. Drewes: Internationale Managementstrategien für organische

Spurenstoffe in Gewässern und unterstützende weitergehende analytische Techniken.

Mitteilungen der Fachgruppe Umweltchemie und Ökotoxikologie (Mitt Umweltchem Ökotox),

2018, in press (open access)–R39-

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

26

S. Bieber und T. Letzel: RPLC-HILIC und SFC - Polaritätserweiterte und orthogonale

Trenntechniken für den Nachweis von organischen Spurenstoffen.

Wasserforum- Sonderpublikation zum 12. Langenauer Wasserforum 11/2017, 14/15. –R38-

T. Letzel: Neue Bücher:

TUM Campus 2017, 3, XX. (open access) –R37-

G. Greco und T. Letzel: Welche stationären Phasen kann man in der HILIC nutzen?

Analytik News, 2016, http://www.analytik-news.de/; 08.12. 2016. (open access) –R36-

https://analytik.news/fachartikel/pdf/tu_muenchen4.pdf

A. Boltner, W. Schröder, S. Grosse, A. Schreiber, and T. Letzel: Simultaneous Characterization

of Highly Polar, Polar and Nonpolar Compounds in Wastewater using Serial Coupled RPLC

and HILIC with a QTRAP® 5500 LC-MS/MS.

Sciex Technical Note, 2016 Pub Num RUO-MKT-02-3765-A. (open access)–R35-

https://sciex.com/Documents/tech%20notes/RP_and_HILIC_QTRAP_identification_of_comp

ounds_in_river_water_QTRAP_5500_SCIEX_TUM.pdf

J. E. Drewes, B. Helmreich, U. Hübner, K. Koch, T. Letzel, B. Herzog: Research in Novel

Water Treatment Concepts, Energy Recovery and Emerging Trace Organic Contaminants at

the Chair of Urban Water Systems Engineering at the Technical University of Munich.

GWA Journal 2016, printed. –R34-.

T. Letzel and M. Sengl: FOR-IDENT - Platform International hunt for unknown molecules

combining international workflows and software tools.

NORMAN Bulletin 2016, 5, 20/21. (open access)–R33-.

https://www.norman-

network.net/sites/default/files/files/bulletins/NORMAN_Bulletin_n5_September%202016_vfi

nal_0.pdf

S. Bieber, S. Grosse, S. Veloutsou, T. Letzel: Polarity-extended chromatographic separations:

a novel view on trace organic compounds in environmental samples.

NORMAN Bulletin 2016, 5, 16-18. (open access)–R32-.

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

27

https://www.norman-

network.net/sites/default/files/files/bulletins/NORMAN_Bulletin_n5_September%202016_vfi

nal_0.pdf

T. Letzel: A Collaborative Approach to Water Analysis,

The Column, 2016, 12(2), 2-6 (Cover Story) . (open access)–R31-

http://www.chromatographyonline.com/collaborative-approach-water-analysis-0

S. Grosse und T. Letzel: Polaritätserweiterte Flüssigchromatographie zur gleichzeitigen

Analyse von sehr polaren, polaren und unpolaren Molekülen in Gewässern.

Wasserforum- Sonderpublikation zum 11. Langenauer Wasserforum 11/2015, . (open access)–

R30-

J. Türk, M. Urena and T. Letzel: Inhaltsstoffe und Belastungen in Wasser: ORGANISCHE

STOFFE

In: Wasser in der Getränkeindustrie, Karl Glas (ed.), Marcus Verhülsdonk (ed.); Fachverlag

Hans Carl, ISBN-13: 978-3418008172, 1. Auflage: (4. September 2015), S. 71-93 –R30-

S. Bieber und T. Letzel: Superkritische Fluidchromatographie mit massenspektrometrischer

Detektion (SFC-MS): Simultane Untersuchungsmethode für polare und unpolare organische

Moleküle in Wasserproben.

Mitteilungen der Fachgruppe Umweltchemie und Ökotoxikologie (Mitt Umweltchem Ökotox),

2015, 21 (1), 11-16. (open access) -R29-

A. Boltner, G. Greco, T. Letzel: pH-Wertmessung – Eine wichtige Grundlage im analytischen

Labor.

Labor & More, 2014, 7, 2-5. (open access) -R28-

http://www.laborundmore.com/archive/181399/Eine-wichtige-Grundlage-im-analytischen-

Labor.html

M. Letzel, U. Dünnbier, F. Lesske, M. Luthardt, W. Schulz, M. Sengl, W. Weber, T. Letzel:

RiSKWa-Querschnittsthema „Non-Target Analytik und Datenbanken“.

Vom Wasser, 2014, 112 (2), 46-49. -R27-

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

28

T. Letzel: Wasseranalytik trifft Informatik

Nachrichten aus der Chemie (GDCh), 2014, 62 (6), 664. -R26-

G. Greco, A. Boltner, T. Letzel: Agilent 1260 Infinity Analytical SFC system with Agilent 6230

ESI-TOF-MS. Optimization of Jet Stream ESI parameters.

Agilent Technical Overview, 2014 Pub Num 5991-4510EN. (open access) -R25-

T. Letzel und S. Grosse: Wasserscreening – Normierte Chromatographie: Wie(so) das?

Wasserforum- Sonderpublikation zum 10. Langenauer Wasserforum 11/2013, 26. -R24-

T. Letzel: Analytik trifft Informatik

Nachrichten aus der Chemie (GDCh), 2013, 61 (7/8), 810. -R23-

D. Popp: Ausbildung von Chemielaboranten in Zeiten des Kreditpunktesystems ECVET.

Laborpraxis, 2013, Dezember, 1/2. (open access) -R22-

https://www.laborpraxis.vogel.de/ausbildung-von-chemielaboranten-in-zeiten-des-

kreditpunktesystems-ecvet-a-428640/

T. Teutenberg, T. Zeiner, C. Portner, M. Klaßen, R. Scheerle, J. Grassmann, T. Letzel, D.

Belder: Entwicklung von Analysestrategien zur direkten Kopplung enzymatischer Systeme

mit massenspektrometrischer Detektion.

G.I.T. Laborfachzeitschrift 2013, 7, 2-3. (open access) -R21-

A. Bayer, M. Luthardt, F. Leßke, G. Greco, S. Grosse, T. Letzel, W. Schulz, W. Kopf, R.

Asner, K. Weiß, F. Bleckmann, A. Kolb, M. Sengl, M. Letzel: RISK-IDENT –

Identifizierung, Bewertung und Minderung bislang unbekannter Spurenstoffe in Gewässern

Analytik News, 2013, http://www.analytik-news.de/; 04.04.2013. (open access) -R20-

https://analytik.news/fachartikel/pdf/lfu1.pdf

J. Grassmann and T. Letzel: EU-Projekt Chemlab II: ECVET ermöglicht länderübergreifende

Ausbildung von Chemielaboranten.

Labor & More, 2013, 1, 48-51. (open access) -R19-

http://www.laborundmore.com/news/45,845078/LM-1-2013/EU-Projekt-Chemlab-II%3A-

ECVET-ermoeglicht-laenderuebergreifende-Ausbildung-von-Chemielaboranten.html

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

29

S. Shinya, T. Ohnuma, R. Brzezinski, R.K. Scheerle, J. Grassmann, T. Letzel, T. Fukamizo:

Lysozyme Superfamily: Progress in Functional Analysis using ESI-MS and NMR

Spectroscopy.

in Lysozymes: Sources, Functions and Role in Disease (Nova Science Publisher), 2013, 127-

154. -R18-

T. Letzel and M. Reichel: Triebkraft für Innovation.

Laborpraxis, 2012, November, 36-38. (open access) -R17-

https://www.laborpraxis.vogel.de/welche-moeglichkeiten-bietet-die-eu-forschungsfoerderung-

a-384143/

T. Letzel: Fingerabdruck überführt Schadstoffe.

TUM Campus 2012, 3, 12/13. (open access) -R16-

T. Letzel: Kurz vorgestellt: Die Analytische Forschungsgruppe am Lehrstuhl für

Siedlungswasserwirtschaft der Technischen Universität München.

Mitteilungen der Fachgruppe Umweltchemie und Ökotoxikologie (Mitt Umweltchem Ökotox),

2012, 18 (3), 75. (open access) -R15-

T. Letzel -Interview-: Fachkräftemangel aktiv begegnen.

Laborpraxis, 2012, April, 48/49. (open access) -R14-

https://www.laborpraxis.vogel.de/chemielaboranten-ausbildung-fachkraeftemangel-aktiv-

begegnen-a-369542/

J. Beck, Book Review: T. Letzel- Protein and Peptide Analysis by LC-MS Experimental

Strategies”

European Journal of Mass Spectrometry, 2012, 17(6), v–vi. (doi: 10.1255/ejms.1159) -R13-

S. König: T. Letzel- Protein and Peptide Analysis by LC-MS: Experimental Strategies (Book

Review)

Analytical and Bioanalytical Chemistry 2012, 402 (8), 2481-2482. -R12-

T. Letzel: Chemie Aktuell – Wissenschaft vermitteln.

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

30

Mitteilungsblatt der Analytischen Fachgruppe der GDCh 2011, 4, 7-9. -R11-

T. Letzel: Analytiker können immer schöne Geschichten erzählen.

Nachrichtenblatt der GDCh 2011, 59 (12), 1202. (open access) -R10-

T. Letzel: Neue Bücher: Protein and Peptide Analysis by LC-MS: Experimental Strategies

TUM Campus 2011, 4, 58. (open access) -R9-

T. Letzel: Der Club der Analytiker

TUM Campus 2011, 4, 45. (open access) -R8-

T. Letzel: Chemielaboranten überwinden Grenzen.

Nachrichtenblatt der GDCh 2011, 59 (11), 1119-1121. (open access) -R7-

T. Letzel and A. Friess: CHEMLAB - European Apprenticeship Training for Chemical

Laboratory Technicians.

G.I.T. Laboratory Journal 2011, 7-8, 8-9. (open access) -R6-

M. Krappmann and T. Letzel: Functional analysis of proteins, including LC-MS and special

freeware.

In: Protein and Peptide Analysis by LC-MS: Experimental Strategies, Letzel, T. (ed.): Royal

Society of Chemistry, Cambridge, 2011, 142-155. -R5-

T. Letzel: How to couple and handle liquid chromatography with mass spectrometry.

In: Protein and Peptide Analysis by LC-MS: Experimental Strategies, Letzel, T. (ed.): Royal

Society of Chemistry, Cambridge, 2011, 11-25. -R4-

T. Letzel: Spannende Filme aus dem Labor: Mit der Massenspektrometrie enzymatisch-aktive

Proteine bei der Arbeit beobachten.

Analytik News, 2009, http://www.analytik-news.de/; 02.11. 2009. (open access) -R3-

https://analytik.news/fachartikel/pdf/TUM_Letzel.pdf

T. Letzel: Massenspektrometrie: Unkonventioneller Einsatz - Enzyme bei der Arbeit filmen.

TUM Mitteilungen 2007, 3, 48-49. -R2-

PD Dr. Thomas Letzel Augsburg, den 20.01.2021

31

H. Rehm ‚Der Experimentator: Proteinchemie/Proteomics’;

Co-Author of Chapter 7.5: ‚Massenspektrometrie von Proteinen und Peptiden’

Elsevier Verlag; 5. Edition 2006, 235-310. -R1-