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Xu, M. Y, K. A Niessen, Y. T Deng, N. S Michki, and A. G Markelz. ?Escaping The Water Cage: Protein Intramolecular Vibrations And The Dynamical Transition?. Biophysical Journal 112 (2017): 318A-318A. doi:10.1016/j.bpj.2016.11.1723.

Singh, R., D. K George, C. J Bae, K. A Niessen, and A. G Markelz. ?Modulated Orientation-Sensitive Terahertz Spectroscopy?. Photonics Research 4 (2016): A1-A8. doi:https://doi.org/10.1364/PRJ.4.0000A1.

Niessen, K. A, M.  Xu, and A. G Markelz. ?Terahertz Optical Measurements Of Correlated Motions With Possible Allosteric Function?. Biophysical Journal 7 (2015): 201?216. doi:10.1007/s12551-015-0168-4.

Niessen, K. A, E.  Snell, and A. G Markelz. ?Measurements And Calculations Of Protein Intramolecular Vibrations In The Thz Range?. 2014 39Th International Conference On Infrared, Millimeter, And Terahertz Waves. New York: Ieee, 2014. doi:10.1109/IRMMW-THz.2014.6956080.

Acbas, G., K. A Niessen, E. H Snell, and A. G Markelz. ?Optical Measurements Of Long-Range Protein Vibrations?. Nature Communications 5 (2014): 7. doi:https://doi.org/10.1038/ncomms4076.

Acbas, G., K. A Niessen, D. K George, E.  Snell, and A. G Markelz. ?Measuring Phonons In Protein Crystals?. Ultrafast Phenomena And Nanophotonics Xvii. Bellingham: Spie-Int Soc Optical Engineering, 2013. doi:https://doi.org/10.1117/12.2006275.