Dr. rer. nat. Frank Wackenhut

Research assistant

+49 7121 271 1483

frank.wackenhut@reutlingen-university.de

Building 1A, Room 010

Optical spectroscopy (absorption, emission, scattering, Raman)
multivariate data analysis
programming

H2Sensor4Quality (development of a hydrogen sensor)

You can find an overview of all publications via ORCID.

Wackenhut, Frank

2025
Al Ktash, Mohammad; Knoblich, Mona; Wackenhut, Frank; Brecht, Marc (2025): UV hyperspectral imaging and chemometrics for honeydew detection: enhancing cotton fiber quality. - In: Chemosensors 13 (1). - Artikelnummer: 21. - 13 S. - DOI: https://doi.org/10.3390/chemosensors13010021	BibTeX \| RIS DOI URN
2024
Wang, Liangxuan; Liu, Quan; Buchwald, Andrea; Wackenhut, Frank; Brecht, Marc; Gierschner, Johannes; Meixner, Alfred (2024): Deuterium isotope effect in single molecule photophysics and photochemistry of hypericin. - In: ChemPhysChem 25 (18). - Artikelnummer: e202400374. - 8 S. - DOI: https://doi.org/10.1002/cphc.202400374	BibTeX \| RIS DOI URN
Bassler, Miriam; Hiller, Jonas; Wackenhut, Frank; zur Oven-Krockhaus, Sven; Frech, Philipp; Schmidt, Felix; Kertzscher, Christoph; Rammler, Tim; Ritz, Rainer; Braun, Kai; Scheele, Marcus; Meixner, Alfred; Brecht, Marc (2024): Fluorescence lifetime imaging unravels the pathway of glioma cell death upon hypericin-induced photodynamic therapy. - In: RSC chemical biology 5 (12). - S. 1219-1231. - DOI: https://doi.org/10.1039/D4CB00107A	BibTeX \| RIS DOI URN
Knoblich, Mona; Al Ktash, Mohammad; Wackenhut, Frank; Englert, Tim; Stiedl, Jan; Wittel, Hilmar; Green, Simon; Jacob, Timo; Boldrini, Barbara; Ostertag, Edwin; Rebner, Karsten; Brecht, Marc (2024): Rapid detection of cleanliness on direct bonded copper substrate by using UV hyperspectral imaging. - In: Sensors 24 (14). - Artikelnummer: 4680. - S. 1-12. - DOI: https://doi.org/10.3390/s24144680	BibTeX \| RIS DOI URN
Mukherjee, Ashutosh; Wackenhut, Frank; Meixner, Alfred; Mayer, Hermann; Brecht, Marc (2024): Three-dimensional (3D) surface-enhanced Raman spectroscopy (SERS) substrates for sensing low-concentration molecules in solution. - In: Nanomaterials 14 (21). - Artikelnummer: 1728. - 10 S. - DOI: https://doi.org/10.3390/nano14211728	BibTeX \| RIS DOI URN
Al Ktash, Mohammad; Knoblich, Mona; Eberle, Max; Wackenhut, Frank; Brecht, Marc (2024): UV hyperspectral imaging with xenon and deuterium light sources: integrating PCA and neural networks for analysis of different raw cotton types. - In: Journal of imaging 10 (12). - Artikelnummer: 310. - 17 S. - DOI: https://doi.org/10.3390/jimaging10120310	BibTeX \| RIS DOI URN
2023
Knoblich, Mona; Al Ktash, Mohammad; Wackenhut, Frank; Jehle, Volker; Ostertag, Edwin; Brecht, Marc (2023): Applying UV hyperspectral imaging for the quantification of honeydew content on raw cotton via PCA and PLS-R models. - In: Textiles 3 (3). - S. 287-293. - DOI: https://doi.org/10.3390/textiles3030019	BibTeX \| RIS DOI URN
Nosrati, Saeed; Wackenhut, Frank; Kertzscher, Christoph; Brecht, Marc; Meixner, Alfred (2023): Controlling three-color Förster resonance energy transfer in an optical Fabry–Pérot microcavity at low mode order. - In: The Journal of Physical Chemistry C: Energy, Materials, and Catalysis 127 (25). - S. 12152-12159. - DOI: https://doi.org/10.1021/acs.jpcc.3c02566	BibTeX \| RIS DOI
Al Ktash, Mohammad; Stefanakis, Mona; Wackenhut, Frank; Jehle, Volker; Ostertag, Edwin; Rebner, Karsten; Brecht, Marc (2023): Prediction of honeydew contaminations on cotton samples by in-line UV hyperspectral imaging. - In: Sensors 23 (1). - Artikelnummer: 319. - 13 S. - DOI: https://doi.org/10.3390/s23010319	BibTeX \| RIS DOI URN
Mukherjee, Ashutosh; Wackenhut, Frank; Dohare, Akanksha; Horneber, Anke; Lorenz, Anita; Müchler, Hendrik; Meixner, Alfred; Mayer, Hermann; Brecht, Marc (2023): Three-dimensional (3D) surface-enhanced Raman spectroscopy (SERS) substrates: fabrication and SERS applications. - In: The Journal of Physical Chemistry C: Energy, Materials, and Catalysis 127 (28). - S. 13689-13698. - DOI: https://doi.org/10.1021/acs.jpcc.3c02410	BibTeX \| RIS DOI
2022
Bassler, Miriam; Rammler, Tim; Wackenhut, Frank; zur Oven-Krockhaus, Sven; Secic, Ivona; Ritz, Rainer; Meixner, Alfred; Brecht, Marc (2022): Accumulation and penetration behavior of hypericin in glioma tumor spheroids studied by fluorescence microscopy and confocal fluorescence lifetime imaging microscopy. - In: Analytical & bioanalytical chemistry 414. - S. 4849-4860. - DOI: https://doi.org/10.1007/s00216-022-04107-2	BibTeX \| RIS DOI URN
Mukherjee, Ashutosh; Liu, Quan; Wackenhut, Frank; Dai, Fang; Fleischer, Monika; Adam, Pierre-Michel; Meixner, Alfred; Brecht, Marc (2022): Gradient SERS substrates with multiple resonances for analyte screening: fabrication and SERS applications. - In: Molecules 27 (16). - Artikelnummer: 5097. - 13 S. - DOI: https://doi.org/10.3390/molecules27165097	BibTeX \| RIS DOI URN
Wang, Liangxuan; Liu, Quan; Wackenhut, Frank; Brecht, Marc; Adam, Pierre-Michel; Gierschner, Johannes; Meixner, Alfred (2022): Monitoring tautomerization of single hypericin molecules in a tunable optical λ/2 microcavity. - In: The journal of chemical physics 156 (1). - Artikelnummer: 014203. - 9 S. - DOI: https://doi.org/10.1063/5.0078117	BibTeX \| RIS DOI
2021
Liu, Quan; Wackenhut, Frank; Wang, Liangxuan; Hauler, Otto; Roldao, Juan Carlos; Adam, Pierre-Michel; Brecht, Marc; Gierschner, Johannes; Meixner, Alfred (2021): Direct observation of structural heterogeneity and tautomerization of single hypericin molecules. - In: The journal of physical chemistry letters 12 (3). - S. 1025-1031. - DOI: https://doi.org/10.1021/acs.jpclett.0c03459	BibTeX \| RIS DOI
Liu, Quan; Ge, Dandan; Wackenhut, Frank; Coplin, Caitlin; Cherqui, Charles; Brecht, Marc; Lin, Xiao-Min; Schatz, George; Schaller, Richard; Adam, Pierre-Michel; Bachelot, Renaud; Meixner, Alfred (2021): Revealing the three-dimensional orientation and interplay between plasmons and interband transitions for single gold bipyramids by photoluminescence excitation pattern imaging. - In: The journal of physical chemistry. C, Nanomaterials and interfaces 125 (48). - S. 26978-26985. - DOI: https://doi.org/10.1021/acs.jpcc.1c08402	BibTeX \| RIS DOI
Brecht, Marc; Liu, Quan; Wang, Liangxuan; Roldao, Juan Carlos; Adam, Pierre-Michel; Gierschner, Johannes; Wackenhut, Frank; Meixner, Alfred (2021): Theoretical and experimental evidence of two-step tautomerization in hypericin. - In: Advanced photonics research 2 (6). - Artikelnummer: 2000170. - 9 S. - DOI: https://doi.org/10.1002/adpr.202000170	BibTeX \| RIS DOI URN
2020
Liu, Quan; Wackenhut, Frank; Hauler, Otto; Scholz, Miriam; Zur Oven-Krockhaus, Sven; Ritz, Rainer; Adam, Pierre-Michel; Brecht, Marc (2020): Hypericin: single molecule spectroscopy of an active natural drug. - In: The journal of physical chemistry. A. Molecules, spectroscopy, kinetics, environment & general theory 124 (12). - S. 2497-2504. - DOI: https://doi.org/10.1021/acs.jpca.9b11532	BibTeX \| RIS DOI
Junginger, Achim; Wackenhut, Frank; Stuhl, Alexander; Blendinger, Felix; Brecht, Marc (2020): Tunable strong coupling of two adjacent optical λ/2 Fabry-Pérot microresonators. - In: Optics Express 28 (1). - S. 485-493. - DOI: https://doi.org/10.1364/OE.380068	BibTeX \| RIS DOI URN
2018
Meixner, Alfred; Wackenhut, Frank; Konrad, Alexander; Metzger, Michael; Brecht, Marc (2018): λ/2 Fabry Pérot micro-resonators in single molecule spectroscopy. - In: EPJ Web of Conferences : Open-Access Proceedings in Physics and Related Sciences 190. - Artikelnummer: 02007. - 2 S. - DOI: https://doi.org/10.1051/epjconf/201819002007	BibTeX \| RIS DOI URN