Publications

For a complete list of publications, see the following links:

Orcid
Google Scholar

If you are new to this field, have a look at our popular science articles first:

• T.P.J. Krüger, M.S. Gwizdala, “A smart ‘switch’ in photosynthesis holds lessons for solar technology”, The Conversation Africa, 28 Nov. 2016.

• T.P.J. Krüger, “Water-dwelling organisms show new ways to harvest light for solar tech”, The Conversation Africa, 18 Dec. 2017.

• M.S. Gwizdala and T.P.J. Krüger, “How the discovery of a protein’s secret function could boost solar tech”, The Conversation Africa, 28 June 2018.

• M.S. Gwizdala and T.P.J. Krüger, “Proteins reveal intricate details about life under the microscope”, The Conversation Africa, 5 December 2018.

• T.P.J. Krüger and E. Roduner, “Unpacking a mystery of physics: Why processes in nature operate only in one direction”, The Conversation Africa, 28 February 2022.

• RE.SEARCH Magazine Issue 3, “Renewing our thinking about renewable energy” 11 August 2022 (featured on the cover).

• Daily Maverick, “Renewing our thinking about renewable energy”/ 13 September 2022.

Photosynthetic light-harvesting complexes

Plants

1. T. P. J. Krüger, V. I. Novoderezhkin, C. Ilioaia, R. van Grondelle, “Fluorescence Spectral Dynamics of Single LHCII Trimers.” Biophys J, 98:3093–3101 (2010). DOI: 10.1016/j.bpj.2010.03.028

2. T. P. J. Krüger, C. Ilioaia, R. van Grondelle, “Fluorescence Intermittency from the Main Plant Light-Harvesting Complex: Resolving Shifts between Intensity Levels.” J Phys Chem B 115:5071–5082 (2011). DOI: https://doi.org/10.1021/jp201609c

3. T. P. J. Krüger, C. Ilioaia, L. Valkunas, R. van Grondelle, “Fluorescence Intermittency from the Main Plant Light-Harvesting Complex: Sensitivity to the Local Environment.” J Phys Chem B 115:5083–5095 (2011). DOI: https://doi.org/10.1021/jp109833x

4. T. P. J. Krüger, E. Wientjes, R. Croce, R. van Grondelle, “Conformational Switching Explains the Intrinsic Multifunctionality of Plant Light-Harvesting Complexes.” Proc Natl Acad Sci USA, 108:13516-13521 (2011). DOI: https://doi.org/10.1073/pnas.1105411108

5. T. P. J. Krüger, C. Ilioaia, M. P. Johnson, A. V. Ruban, E. Papagiannakis, P. Horton, R. van Grondelle, “Controlled Disorder in Plant Light-Harvesting Complex II Explains its Photoprotective Role.” Biophys J 102: 2669–2676 (2012). DOI: 10.1016/j.bpj.2012.04.044

6. T. P. J. Krüger, C. Ilioaia, M. P. Johnson, E. Belgio, P. Horton, A. V. Ruban, R. van Grondelle, “The Specificity of Controlled Protein Disorder in the Photoprotection of Plants” Biophys J 105:1018–1026 (2013). DOI: 10.1016/j.bpj.2013.07.014 *Selected for editor’s choice

7. T. P. J. Krüger, C. Ilioaia, M. P. Johnson, A. V. Ruban, R. van Grondelle, “Disentangling the Low-Energy States of the Major Light-Harvesting Complex of Plants and their Role in Photoprotection.” Biochim Biophys Acta 1837:1027-1038 (2014). DOI: https://doi.org/10.1016/j.bbabio.2014.02.014

8. C. Ramanan, J. M. Gruber, P. Maly, M. Negretti, V. I. Novoderezhkin, T. P. J. Krüger, T. Mančal, R. Croce, R. van Grondelle, “Site Specific Mutation Elucidates the Role of Exciton Delocalization in the Lowest Energy State Cluster of LHCII Monomer.” Biophys J 108 (5): 1047-1056 (2015). DOI: https://doi.org/10.1016/j.bpj.2015.01.019

9. G. S. Schlau-Cohen, H.-Y. Yang, T. P. J. Krüger, P. Xu, M. Gwizdala, R. van Grondelle, R. Croce, W. E. Moerner. “Single-molecule Identification of Quenched and Unquenched States of LHCII.” J Phys Chem Lett 6: 860-867 (2015). DOI: https://doi.org/10.1021/acs.jpclett.5b00034

10. J.M. Gruber, J. Chmeliov, T.P.J. Krüger, L. Valkunas, R. van Grondelle, “Singlet–triplet annihilation in single LHCII complexes.” Phys Chem Chem Phys 17 (30): 19844-19853 (2015). DOi: https://doi.org/10.1039/C5CP01806D

11. J.M. Gruber, P. Xu, J. Chmeliov, T.P.J. Krüger, M.T.A. Alexandre, L. Valkunas, R. Croce and R. van Grondelle, “Dynamic quenching in single photosystem II supercomplexes.” Phys Chem Chem Phys 18: 25852-25860 (2016). DOI: https://doi.org/10.1039/C6CP05493E

Cyanobacteria (Phycobilisomes)

12. M.S. Gwizdala, R. Berera, D. Kirilovsky, R. van Grondelle, T.P.J. Krüger, “Controlling light harvesting with light.” J Am Chem Soc 138 (36): 11616-11622 (2016). DOI: https://doi.org/10.1021/jacs.6b04811

Accompanying Conversation article: https://theconversation.com/a-smart-switch-in-photosynthesis-holds-lessons-for-solar-technology-66602

13. M.S. Gwizdala, T.P.J. Krüger, Md. Wahadoszamen, J.M. Gruber, D. Kirilovsky, R. van Grondelle, “Phycocyanin: one complex, two states, two functions.” J Phys Chem Lett 9:1365-1371 (2018). DOI: https://doi.org/10.1021/acs.jpclett.8b00621

Accompanying Conversation article: https://theconversation.com/how-the-discovery-of-a-proteins-secret-function-could-boost-solar-tech-98407

14. M.S. Gwizdala, J.L. Botha, A. Wilson, D. Kirilovsky, R. van Grondelle, T.P.J. Krüger, “Switching an individual phycobilisome off and on.” J Phys Chem Lett 9:2426-2432 (2018). DOI: https://doi.org/10.1021/acs.jpclett.8b00767

Accompanying Conversation article: https://theconversation.com/proteins-reveal-intricate-details-about-life-under-the-microscope-106886)

15. T.P.J. Krüger, R. van Grondelle, M.S. Gwizdala, “The role of far-red spectral states in the energy regulation of phycobilisomes.” Biochim. Biophys. Acta – Bioenergetics 1860:341-349 (2019). DOI: 10.1016/j.bbabio.2019.01.007

16. Md. Wahadoszamen*, T.P.J. Krüger*, A.M Ara, R. van Grondelle, M.S. Gwizdala, “Charge-transfer states in phycobilisomes.” Biochim. Biophys. Acta – Bioenergetics 1861:148187 (2020). DOI: https://doi.org/10.1016/j.bbabio.2020.148187

17. G.T. Assefa, T.P.J. Krüger, and M. Gwizdala, “Phycobilisomes’ secret life unravelled with single molecule spectroscopy”, Proc. SPIE 11650, Single Molecule Spectroscopy and Superresolution Imaging XIV, 1165006 (5 March 2021). DOI: https://doi.org/10.1117/12.2583009

18. M. Gwizdala P.H. Lebre, G. Maggs-Kölling, E. Marais, D.A. Cowan, T.P.J. Krüger, “Sub-lithic photosynthesis in hot desert habitats.” Environ Microbiol 23:3867–3880 (2021). DOI: https://doi.org/10.1111/1462-2920.1550

Accompanying article in Physics Today, 14 Oct. 2021, “Exposing the secrets of desert extremophiles”
DOI: https://doi.org/10.1063/PT.6.1.20211014a

19. G.T. Assefa, J.L. Botha, B. van Heerden, F. Kyeyune, T.P.J. Krüger, M. Gwizdala, “ApcE plays an important role in light-induced excitation energy dissipation in the Synechocystis PCC6803 phycobilisomes”, Photosynth. Res. 160: 17–29 (2024) https://doi.org/10.1007/s11120-024-01078-6

Diatoms

18. T.P.J. Krüger, P. Maly, M.T.A. Alexandre, T. Mančal, C. Büchel, R. van Grondelle, “How reduced excitonic coupling enhances light harvesting in the main photosynthetic antennae of diatoms” Proc Natl Acad Sci USA 114: E11063-E11071 (2017). DOI: https://doi.org/10.1073/pnas.1714656115

Accompanying Conversation article: https://theconversation.com/water-dwelling-organisms-show-new-ways-to-harvest-light-for-solar-tech-88801

19. H.M.A.M. Elnour, C. Ramanan, L. Dietzel, C. Büchel, R. van Grondelle, T.P.J. Krüger, “Energy dissipation mechanisms in the FCPb light-harvesting complex of the diatom Cyclotella meneghiniana.” Biochim Biophys Acta – Bioenergetics 1859:1151-1160 (2018). DOI: 10.1016/j.bbabio.2018.07.009
20. M.T.A. Alexandre, T.P.J. Krüger, A.A. Pascal, V. Veremeienko, M. Llansola-Portoles, K. Gundermann, R. van Grondelle, C. Büchel, B. Robert, “Molecular events accompanying aggregation-induced energy quenching in Fucoxanthin-Chlorophyll Proteins”, Biochim. Biophys. Acta – Bioenerg. 1865:149500 (2024) https://doi.org/10.1016/j.bbabio.2024.149500

Bacteria

20. A. Gall, C. Ilioaia, T.P.J. Krüger, B. Robert, R. van Grondelle, “Conformational Changes in a Single Light-Harvesting Protein as Followed by Fluorescence Spectroscopy.” Biophys J 108 (11): 2713-2720 (2015). DOI: 10.1016/j.bpj.2015.04.017

21. C. Ilioaia, T.P.J. Krüger, O. Ilioaia, B. Robert, R. van Grondelle, A. Gall, “Apoprotein heterogeneity increases spectral disorder and a step-wise modification of the B850 fluorescence peak position.” Biochim Biophys Acta – Bioenergetics 1859:137-144 (2018). DOI: 10.1016/j.bbabio.2017.11.003

Hypoliths

22. M. Gwizdala P.H. Lebre, G. Maggs-Kölling, E. Marais, D.A. Cowan, T.P.J. Krüger, “Sub-lithic photosynthesis in hot desert habitats.” Environ Microbiol 23:3867–3880 (2021). DOI: https://doi.org/10.1111/1462-2920.1550

Accompanying Newsletter article: See page 23 here: https://bit.ly/3yd2xeT

Review articles

23. T.P.J. Krüger, R. van Grondelle, “Design principles of natural light-harvesting as revealed by single molecule spectroscopy.” Physica B: Condensed Matter, 480:7-13 (2016). DOI: 10.1016/j.physb.2015.08.005

24. T.P.J. Krüger, R. van Grondelle, “The role of energy losses in photosynthetic light harvesting” J Phys B: At Mol Opt Phys 50: 132001 (2017) DOI: 10.1088/1361-6455/aa7583. *Invited review

25. J.M. Gruber, P. Maly, T.P.J. Krüger, R. van Grondelle, “From isolated light-harvesting complexes to the thylakoid membrane:a single-molecule perspective” Nanophotonics 7:81-92 (2018). DOI: https://doi.org/10.1515/nanoph-2017-0014

26. Headline Review on Quantum Biology: A. Marais, B. Adams, A. Ringsmuth, M. Ferretti, J.M. Gruber, R. Hendrikx, M. Schuld, S.L. Smith, I. Sinayskiy, T.P.J. Krüger, F. Petruccione, R. van Grondelle, “The future of quantum biology.” J R Soc Interface 15: 20180640 (2018). DOI: https://doi.org/10.1098/rsif.2018.0640

Accompanying blog article: https://royalsociety.org/blog/2019/02/the-future-of-quantum-biology/

27. B. van Heerden, N.A. Vickers, T.P.J. Krüger*, S.B. Andersson*, “Real-Time Feedback-Driven Single-Particle Tracking: A Survey and Perspective” S__mall 18:2107024 (2022).(*equal contribution) Received FABI’s 2022 best publication award. https://doi.org/10.1002/smll.202107024 arXiv:2111.09178

Theory

27. L. Valkunas, J. Chmeliov, T. P. J. Krüger, C. Ilioaia, R. van Grondelle, “How Photosynthetic Proteins Switch.” J Phys Chem Lett 3:2779–2784 (2012). DOI: https://doi.org/10.1021/jz300983r

28. J. Chmeliov, L. Valkunas, T. P. J. Krüger, C. Ilioaia, R. van Grondelle, “Fluorescence Blinking of Single Major Light-Harvesting Complexes.” New J Phys 15:085007 (2013). DOI: 10.1088/1367-2630/15/8/085007

29. J.A. Nöthling, T.P.J. Krüger, T. Mančal, “A phenomenological description of the bath and its effect in photosynthetic light-harvesting systems” in The Proceedings of the 60__th Annual Conference of the South African Institute of Physics (SAIP2015), edited by Makaiko Chithambo (RU) and André Venter (NMMU) (2015), pp. 527 - 531. ISBN: 978-0-620-70714-5 (2016).

30. J.A. Nöthling, T. Mančal, T.P.J. Krüger, “Accuracy of approximate methods for the calculation of absorption-type linear spectra with a complex system–bath coupling”, J. Chem. Phys. 157: 095103 (2022) https://doi.org/10.1063/5.0100977

Method development: SMS & SPT

30. B. van Heerden, T.P.J. Krüger, “Theoretical comparison of real-time single-particle tracking techniques”, Proc. SPIE 11650, Single Molecule Spectroscopy and Superresolution Imaging XIV, 116500K (5 March 2021). DOI: https://doi.org/10.1117/12.2582974
31. B. van Heerden, T.P.J. Krüger, “Theoretical comparison of real-time feedback-driven single-particle tracking techniques”, J. Chem. Phys. 157:084111 (2022) https://doi.org/10.1063/5.0096729
32. J.L. Botha, B. van Heerden, T.P.J. Krüger, “Advanced analysis of single-molecule spectroscopic data”, Biophys. Rep. 4:100173 (2024) https://doi.org/10.1016/j.bpr.2024.100173

Solar-cell materials

31. A.T. Paradzah, M. Diale, K. Maabong, T.P.J. Krüger, “Use of interfacial layers to prolong hole lifetimes in hematite probed by ultrafast transient absorption spectroscopy” Physica B: Condensed Matter 535:138-142 (2018). DOI: https://doi.org/10.1016/j.physb.2017.06.088

32. A.T. Paradzah, K. Maabong, H.M.A.M. Elnour, A. Singh, M. Diale, T.P.J. Krüger, “Identification of exciton-exciton annihilation in hematite thin films.” J Phys Chem C 123:18676-18684 (2019). DOI: 10.1021/acs.jpcc.9b04664

33. J.S. Nyarige, T.P.J. Krüger, M. Diale. “Structural and optical properties of hematite and L-arginine/hematite nanostructures prepared by thermal spray pyrolysis.” Surfaces and Interfaces 18:100394 (2020). DOI: 10.1016/j.surfin.2019.100394

34. J.S. Nyarige, T.P.J. Krüger, M. Diale. “Effects of L-arginine concentration on hematite nanostructures synthesized by spray pyrolysis and chemical bath deposition.” Physica B: Condensed Matter 581:411924 (2020). DOI: https://doi.org/10.1016/j.physb.2019.411924

35. S. Congolo, M.J. Madito, A.T Paradzah, A.J. Harrison, H.M.A.M. Elnour, T.P.J. Krüger, M. Diale. “Reduction of recombination rates due to volume increasing, annealing, and tetraethoxysilicate treatment in hematite thin films.” Appl Nanosci 10, 1957–1967 (2020). DOI: https://doi.org/10.1007/s13204-020-01264-7

36. J.S. Nyarige, T.P.J. Krüger, M. Diale. “Influence of precursor concentration and deposition temperature on the photoactivity of hematite electrodes for water splitting.” Mater Today Commun 25: 101459 (2020). DOI: https://doi.org/10.1016/j.mtcomm.2020.101459

37. A.T. Paradzah, K. Maabong-Tau, M. Diale, T.P.J. Krüger,.”Photoelectrochemical Performance and Ultrafast Dynamics of Photogenerated Electrons and Holes in Highly Titanium-Doped Hematite” Phys Chem Chem Phys 22:27450-27457 (2020). DOI: https://doi.org/10.1039/D0CP04954A

38. J.S. Nyarige, T.P.J. Krüger, M. Diale. “Influence of precursor concentration and deposition temperature on the photoactivity of hematite electrodes for water splitting.” Mater Today Commun 25: 101459 (2020) DOI: https://doi.org/10.1016/j.mtcomm.2020.101459

39. A.T. Paradzah, K. Maabong-Tau, M. Diale, T.P.J. Krüger,.”Photoelectrochemical Performance and Ultrafast Dynamics of Photogenerated Electrons and Holes in Highly Titanium-Doped Hematite” Phys Chem Chem Phys 22:27450-27457 (2020) https://doi.org/10.1039/D0CP04954A

40. J.S. Nyarige, A.T. Paradzah, T.P.J. Krüger, M. Diale, “Mono-doped and co-doped nanostructured hematite for improved photoelectrochemical water splitting” Nanomaterials 12:366 (2022). https://doi.org/10.3390/nano12030366

41. H. Saito, T. Uchiyama, Y. Okada-Shudo, W. Mammo, T.P.J. Krüger, V. Vohra, N. A. Tegegne, “Benzodithiophene unit copolymerization to improve the stability of thiophene-based organic solar cells”, J. Phys. D: Appl. Phys. 56: 044007 (2023), DOI: 10.1088/1361-6463/aca987

42. E. Asmare, F.G. Hone, W. Mammo, T.P.J. Krüger, N.A. Tegegne, “Investigation into Aggregation Types in a Benzodithiophene-Isoindigo Copolymer”, J. Chem. Phys. 159: 034901 (2023) https://doi.org/10.1063/5.0151318

43. L.T. Nchinda, N.A. Tegegne, W. Mammo, Z. Genene, T.P.J. Krüger, “Unveiling the Thermal Stability of Diketopyrrolopyrrole-Based Terpolymers: A Key Element for Enhanced Efficiency and Stability of Organic Solar Cells” New J Chem 48: 10201–10212 (2024) https://doi.org/10.1039/D3NJ05210A

Plasmonics

38. F. Kyeyune, J.L. Botha, B. van Heerden, P. Maly, R. van Grondelle, M. Diale, T.P.J. Krüger. “Strong plasmonic fluorescence enhancement of individual plant light-harvesting complexes.” Nanoscale 11:15139-15146 (2019). DOI: https://doi.org/10.1039/C9NR04558A

39. L.C. Ugwuoke, T. Mančal, T.P.J. Krüger, “Localized Surface Plasmon Resonances of simple tunable plasmonic nanostructures.” Plasmonics 15:189–200 (2020). DOI: https://doi.org/10.1007/s11468-019-01019-3

40. L.C. Ugwuoke, T. Mančal, T.P.J. Krüger, “Plasmonic Quantum Yield Enhancement of a Single Molecule Near a Nanoegg.” J Appl Phys 127: 203103 (2020). DOI: https://doi.org/10.1063/5.0007985 (arXiv:2002.09399)

41. L.C. Ugwuoke, T. Mančal, T.P.J. Krüger, “Optical Properties of a Nanoegg-Nanorod Heterodimer: A Quasi-Static Analysis” J Opt Soc Am B 37: A293-A303 (2020) https://doi.org/10.1364/JOSAB.399015

42. L.C. Ugwuoke, F. Kyeyune, T. Mančal, T.P.J. Krüger, “Modelling of plasmon-enhanced fluorescence in a single light-harvesting complex near a gold nanorod”, Proc. SPIE 11661, Plasmonics in Biology and Medicine XVIII, 116610E (5 March 2021). DOI: https://doi.org/10.1117/12.2583000

43. L.C. Ugwuoke, T. Mančal, T.P.J. Krüger, “Plasmonic Quantum Yield Enhancement of a Single Molecule Near a Nanoegg.” J Appl Phys 127: 203103 (2020). DOI: https://doi.org/10.1063/5.0007985 (arXiv:2002.09399) *Editor’s pick

44. L.C. Ugwuoke, T. Mančal and T.P.J. Krüger, “Optical Properties of a Nanoegg-Nanorod Heterodimer: A Quasi-Static Analysis” J Opt Soc Am B 37: A293-A303 (2020) https://doi.org/10.1364/JOSAB.399015

45. L.C. Ugwuoke, F. Kyeyune, T. Mančal, T.P.J. Krüger, “Modelling of plasmon-enhanced fluorescence in a single light-harvesting complex near a gold nanorod”, Proc. SPIE 11661, Plasmonics in Biology and Medicine XVIII, 116610E (5 March 2021); https://doi.org/10.1117/12.2583000

46. L.C. Ugwuoke, T.P.J. Krüger, “Theoretical Studies and Simulation of Gold–Silica–Gold Multilayer “Fanoshells” for Sensing Applications” ACS Appl. Nano Mater. 5:6249–6259 (2022). https://doi.org/10.1021/acsanm.2c00302, arXiv:2201.03607

47. L.C. Ugwuoke, T.P.J. Krüger, M. Tame, “Effects of nanoparticle geometry on photon statistics”, in The Proceedings of SAIP2022, the 66th Annual Conference of the South African Institute of Physics, edited by Prof. Aletta Prinsloo, (UJ), pp. 274 – 278 (21 December 2022) ISBN: 978-0-6397-4426-1.
    Available online at https://events.saip.org.za/event/225/page/546-the-proceedings-of-saip2022

Optics Theory

43. C. Mafusire, T.P.J. Krüger, “Strehl ratio and amplitude-weighted generalized orthonormal Zernike-based polynomials”, Appl Opt 56:2336-2345 (2017). DOI: https://doi.org/10.1364/AO.56.002336

44. C. Mafusire, T.P.J. Krüger, “Orthonormal vector polynomials in general pupils derived from the Cartesian gradient of the orthonormal Zernike-based polynomials using the Gauss-Jordan elimination method” J Opt Soc Am A 35:840-849 (2018). DOI: 10.1364/JOSAA.35.000840

45. C. Mafusire, T.P.J. Krüger, “Local and curvature divergence in first order optics.” J. Opt. 20:0965603 (2018). DOI: 10.1088/2040-8986/aabf06

46. C. Mafusire, T.P.J. Krüger. “Zernike coefficients of a circular Gaussian pupil.” J Mod Opt. 67:7, 577-591 (2020), DOI: 10.1080/09500340.2020.1759712

Other

47. R. A. Burger, T. P. J. Krüger, M. Hitge, N. E. Engelbrecht, “A Fisk-Parker Hybrid Heliospheric Magnetic Field with A Solar-Cycle Dependence.” Astrophys J 674:511–519 (2008).

48. D. C. Onwudiwe, T. P. J. Krüger, O. S. Oluwatobi, C. A. Strydom, “Nanosecond Laser Irradiation Synthesis of CdS Nanoparticles in a PVA System”, Appl Surface Sci 290:18-26 (2014). DOI: https://doi.org/10.1016/j.apsusc.2013.10.165

49. D. C. Onwudiwe, T. P. J. Krüger, C. A. Strydom, Laser Assisted Solid State Reaction for the Synthesis of ZnS and CdS Nanoparticles from Metal Xanthate, Mater Lett 116, 154-159 (2014). DOI: 10.1016/j.matlet.2013.10.118

50. L. Sitole, F. Steffens, T. P. J. Krüger, D. Meyer, “Mid-ATR-FTIR Spectroscopic Profiling of HIV/AIDS Sera for Novel Systems Diagnostics in Global Health.” OMICS: A Journal of Integrative Biology 18:1-11 (2014). DOI: 10.1089/omi.2013.0157

51. D. C. Onwudiwe, T. P. J Krüger, A. Jordaan, C. A. Strydom. “Laser-Assisted Synthesis, Structural, and Thermal Properties of ZnS Nanoparticles Stabilized in Polyvinyl Pyrrolidone”, Appl Surface Sci, 321:197-204 (2014). DOI: https://doi.org/10.1016/j.apsusc.2014.10.022

52. J.C. Lech, S.I. Dorfsman, Z. Répás, T.P.J. Krüger, I.M. Gyalai, L.G. Boros, “What to feed or what not to feed-that is still the question. Metabolomics 17, 102 (2021). DOI: https://doi.org/10.1007/s11306-021-01855-7

53. E. Roduner and T.P.J. Krüger, “The origin of irreversibility and thermalization in thermodynamic processes”, Physics Reports 944:1-43 (2022). https://doi.org/10.1016/j.physrep.2021.11.002

Associated Cassyni Research Seminar: https://doi.org/10.52843/cassyni.b9fs93

54. A.O. Obajuluwa, J.C. Lech, M. Baker, D. Amina, C.A.A. Fafure , T.P.J. Krüger, O.B. Afolabi, A. Anish, C. Onwuka, R.A. Bolarinwa, T.M. Obajuluwa. “Single and combined neurotoxic, cytotoxic and genotoxic effects of 5GHz MIMO waves and computed tomography irradiation in male Wistar rats”, Egypt. J. Basic Appl. Sci., 10(1), 835–845 (2023). https://doi.org/10.1080/2314808X.2023.2282243
55. 20. T.P.J. Krüger “Biophysical Reviews’ “Meet the IUPAB councillor series”: a brief profile of Tjaart P. J. Krüger”, Biophys. Rev. (2024) https://doi.org/10.1007/s12551-024-01217-2

Book chapters

T. P. J. Krüger, V. I. Novoderezhkin, E. Romero, R. van Grondelle, “Photosynthetic Energy Transfer and Charge Separation in Higher Plants”, In: “The Biophysics of Photosynthesis”, Vol 11, pp. 79-118, J. Golbeck and A. van der Est (Eds.); (Series: “Biophysics for the Life Sciences”), Springer, Dordrecht, (2014). ISBN 978-1-4939-1147-9. Link: http://www.springer.com/physics/biophysics+%26+biological+physics/book/978-1-4939-1147-9

T. P. J. Krüger, C. Ilioaia, M. Alexandre, P. Horton, and R. van Grondelle, “How Protein Disorder Controls NPQ”, In: “Non-Photochemical Quenching and Energy Dissipation in Plants, Algae and Cyanobacteria”, B. Demmig-Adams, G. Garab, W. Adams III, and Govindjee (Eds.) (“Advances in Photosynthesis and Respiration”; Series Editors: Govindjee and T. D. Sharkey), Springer, Dordrecht (2014). ISBN 978-94-017-9031-4. Link: http://www.springer.com/life+sciences/plant+sciences/book/978-94-017-9031-4

Book

Emil Roduner, Tjaart Krüger, Patricia Forbes, Katharina Kreß, “Optical Spectroscopy – Fundamentals and Advanced Applications” World Scientific Publishing Europe Ltd (2018). Link: https://www.worldscientific.com/worldscibooks/10.1142/q0182

Other non-academic articles

1. J.C. Lech, T.P.J. Krüger, L.G. Boros, T.K. Monsees, H. Abrahamse, N. Komane, et al. (2021). World Health Organization - International EMF Project - International Advisory Committee (IAC) - 25th anniversary of the International EMF Project and the 10th Optical Radiation meeting, South Africa National Report 2021. https://doi.org/10.6084/m9.figshare.14769729.v1

2. J.C. Lech, T.P.J. Krüger, L.G. Boros, D. Venter, A. Obajuluwa, H. Abrahamse, et al. (2022). World Health Organization - International EMF Project - International Advisory Committee (IAC) - 11th anniversary of the International Optical Radiation and 26th anniversary of EMF Project meeting, South Africa National Report 2022. https://doi.org/10.6084/m9.figshare.20012759.v1

3. K.A. Assamagan et al. “Report of the Second African Conference on Fundamental and Applied Physics, ACP2021”, 6 April 2022 [https://arxiv.org/pdf/2204.01882.pdf]

4. T.P.J. Krüger, B.T. Sewell, L. Norris, “The African Biophysics Landscape: A Provisional Status Report”, 25 Mar. 2023 [arXiv:2303.14456v1]

5. T.P.J. Krüger, “Biophysics in Africa: challenges, priorities, and hopes”, 8 Mar. 2024 [arXiv:2403.05609]