publications

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• Miltefosine Impacts Small Molecule Transport in Gram-Positive Bacteria
  M. J. Blake, E. F. Page, M. E. Smith and T. R. Calhoun
  RSC Chem. Biol. (2024)
  
• Facilitating flip-flop: Structural tuning of molecule-membrane interactions in living bacteria
  M. J. Blake, H. B. Castillo, A. E. Curtis and T. R. Calhoun
  Biophys. J. 122, 1735 (2023)
  
• Monitoring membranes: The exploration of biological bilayers with second harmonic generation
  E. F. Page, M. J. Blake, G. A. Foley and T. R. Calhoun
  Chem. Phys. Rev. 3, 041307 (2022)
      Highlighted in AIP Scilight: Illuminating cell membranes by mixing light
• Small Molecule Sorting: A Fluorescence Study of Microemulsions
  M. R. Hassan, B. A. Colon, J. Russell and T. R. Calhoun
  J. Phys. Chem. B 126, 4990 (2022)
  
• Phosphate Ions Alter the Binding of Daptomycin to Living Bacterial Cell Surfaces
  L. N. Miller, M. J. Blake, E. F. Page, H. B. Castillo and T. R. Calhoun
  ACS Infect. Dis. 7, 3088 (2021)
  
• Leaving the Limits of Linearity for Light Microscopy
  M. J. Blake, B. A. Colon, and T. R. Calhoun
  J. Phys. Chem. C 124, 24555 (2020)
  (invited perspective)
• Total Internal Reflection Transient Absorption Microscopy: An Online Detection Method for Microfluidics
  B. A. Colon, M. R. Hassan, A. Saleheen, C. A. Baker, and T. R. Calhoun
  J. Phys. Chem. A 124, 4160 (2020)
  (part of the Time-Resolved Microscopy Virtual Special Issue)
• Second Harmonic Generation Spectroscopy of Membrane Probe Dynamics in Gram-Positive Bacteria
  L. N. Miller, W. T. Brewer, J. D. Williams, E. M. Fozo, and T. R. Calhoun
  Biophys. J. 117, 1419 (2019)
• Energetics at the Surface: Direct Optical Mapping of Bulk and Interfacial Electronic Structure in CdSe Quantum Dots using Broadband Electronic Sum Frequency Generation Microspectroscopy
  B. R. Watson, B. Doughty, and T. R. Calhoun
  Nano Lett. 19, 6157 (2019)
• A new approach to vibrational sum frequency generation spectroscopy using near infrared pulse shaping
  A. U. Chowdhury, B. R. Watson, Y.-Z. Ma, R. L. Sacci, D. A. Lutterman, T. R. Calhoun, and B. Doughty
  Rev. Sci. Instrum. 90, 033106 (2019)
• Probing ligand removal and ordering at quantum dot surfaces using vibrational sum frequency generation spectroscopy
  B. R Watson, Y.-Z. Ma, J. F. Cahill, B. Doughty and T. R. Calhoun
  J. Colloid. Interface Sci. 537, 389 (2019)
  
  
• Chemical nature of ferroelastic twin domains in CH₃NH₃PbI₃ perovskite
  Y. Liu, L. Collins, R. Proksch, S. Kim, B. R. Watson, B. Doughty, T. R. Calhoun, M. Ahmadi, A. V. Ievlev, S. Jesse, S. T. Retterer, A. Belianinov, K. Xiao, J. Huang, B. G. Sumpter, S. V. Kalinin, B. Hu, and O. S. Ovchinnikova
  Nat. Mater. 11, 1013 (2018)
• Shedding light on surface effects: nonlinear probes of complex materials
  B. R. Watson, B. Doughty, and T. R. Calhoun
  Proc. SPIE 10638, Ultrafast Bandgap Photonics III (2018)
• Flexible approach to vibrational sum-frequency generation using shaped near-infrared light
  A. U. Chowdhury, F. Liu, B. R. Watson, R. Ashkar, J. Katsaras, C. P. Collier, D. A. Lutterman, Y.-Z. Ma, T. R. Calhoun, and B. Doughty
  Opt. Lett. 43, 2038 (2018)
• Compressed supercontinuum probe for transient absorption microscopy
  K. Higgins and T. R. Calhoun
  Opt. Lett. 43, 1750 (2018)
  
  
  
• Elucidation of perovskite film micro-orientations using two-photon total internal reflectance fluorescence microscopy
  B. R. Watson, B. Yang, K. Xiao, Y.-Z. Ma, B. Doughty, and T. R. Calhoun
  J. Phys. Chem. Lett. 6, 3283 (2015)
  
  

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Prior to the University of Tennessee

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• Elucidation of the timescales and origins of quantum electronic coherence in LHCII
  G. S. Schlau-Cohen, A. Ishizaki, T. R. Calhoun, N. S. Ginsberg, M. Ballottari, R. Bassi, and G. R. Fleming
  Nature Chem. 4, 389 (2012)
• Two-dimensional electronic spectroscopy reveals the dynamics of phonon-mediated excitation pathways in semiconducting single-walled carbon nanotubes
  M. W. Graham, T. R. Calhoun, A. A. Green, M. C. Hersam, and G. R. Fleming
  Nano. Lett. 12, 813 (2012)
• The separation of overlapping transitions in β-carotene with broadband 2D electronic spectroscopy
  T. R. Calhoun, J. A. Davis, M. W. Graham, and G. R. Fleming
  Chem. Phys. Lett. 523, 1 (2012)
• Quantum coherence in photosynthetic complexes
  T. R. Calhoun and G. R. Fleming
  Phys. Stat. Sol. b 2011, 833 (2011)
• Ultrafast optical multidimensional spectroscopy without interferometry
  J. A. Davis, T. R. Calhoun, K. A. Nugent, and H. M. Quiney
  J. Chem. Phys. 134, 024504 (2011)
• Spectroscopic elucidation of uncoupled transition energies in the major photosynthetic light-harvesting complex, LHCII
  G. S. Schlau-Cohen, T. R. Calhoun, N. S. Ginsberg, M. Ballottari, R. Bassi, and G. R. Fleming
  Proc. Natl. Acad. Sci. USA 107, 13276 (2010)
• Quantum coherence and its interplay with protein dynamics in photosynthetic electronic energy transfer
  A. Ishizaki, T. R. Calhoun, G. S. Schlau-Cohen, and G. R. Fleming
  Phys. Chem. Chem. Phys. 12, 7319 (2010)
• Quantum coherence enabled determination of the energy landscape in Light Harvesting Complex II
  T. R. Calhoun, N. S. Ginsberg, G. S. Schlau-Cohen, Y.-C. Cheng, M. Ballottari, R. Bassi, and G. R. Fleming
  J. Phys. Chem. B 113, 16291 (2009)
• Pathways of energy flow in LHCII from two-dimensional electronic spectroscopy
  G. S. Schlau-Cohen, T. R. Calhoun, N. S. Ginsberg, E. L. Read, M. Ballottari, R. Bassi, and G. R. Fleming
  J. Phys. Chem. B 113, 15352 (2009)
• Electronic coherence transfer in photosynthetic complexes and its signature in optical spectroscopy
  T. Mancal, L. Valkunas, E. L. Read, G. S. Engel, T. R. Calhoun, and G. R. Fleming
  Spectroscopy - An International Journal 22, 199 (2008)
• Cross-peak specific two-dimensional electronic spectroscopy
  E. L Read, G. S. Engel, T. R. Calhoun, T. Mancal, T. K. Ahn, R. E. Blankenship, and G. R. Fleming
  Proc. Natl. Acad. Sci. USA 104, 14203 (2007)
• Evidence for wavelike energy transfer through quantum coherence in photosynthetic systems
  G. S. Engel, T. R. Calhoun, E. L. Read, T. K. Ahn, T. Mancal, Y.-C. Cheng, R. E. Blankenship, and G. R. Fleming
  Nature 446, 782 (2007)
• Dynamic solvation in room-temperature ionic liquids
  P. K. Chowdhury, M. Halder, L. Sanders, T. Calhoun, J. L. Anderson, D. W. Armstrong, X. Song, and J. W. Petrich
  J. Phys. Chem. B 108, 10245 (2004)
• Thieno[3,4-b]pyrazines: synthesis, structure, and reactivity
  D. D. Kenning, K. A. Mitchell, T. R. Calhoun, M. R. Funfar, D. J. Sattler, and S. C. Rasmussen
  J. Org. Chem. 67, 9073 (2002)

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