Markelz Group Publicatons

1.    “Hydration dependence on oxidation state for cytochrome c,” J. –Y. Chen, J. R. Knab and A. G. Markelz, to be submitted to Biophysical Journal.

2.    “The Role of Structure in the Protein Dynamical Transition,” Yunfen He, J.R. Knab, J.Y Chen and A.G Markelz, under review Physical Review Letters.

3.    “Terahertz response of quantum point contacts,” J. W. Song, N. A. Kabir, Y. Kawano, K. Ishibashi, G. R. Aizin, L. Mourokh, J. L. Reno, A. G. Markelz, and J. P. Bird, Appl. Phys. Lett. 92, 223115 (2008).

4.    “Invited Review: Terahertz Dielectric Sensitivity to Biomolecular Structure and Function,” A. G. Markelz, IEEE Journal of Selected Topics in Quantum Electronics, 14, 180 (2008).

5.    “Terahertz Spectroscopy of Bacteriorhodopsin and Rhodopsin; Similarities and Differences,” R. Balu 1, H. Zhang , E. Zukowski , J.-Y. Chen , A. G. Markelz and Susan K. Gregurick, Biophysical Journal, 107, 105163 (2008).

6.    “Observation of Cytochrome C Glass Transition in Terahertz Dielectric Response,” J. R. Knab, J.-Y. Chen and A. G. Markelz, Chem. Phys. Lett., 442, 413 (2007).

7.    “Terahertz Dielectric Assay of Solution Phase Protein Binding,” Jing–Yin Chen, J. R. Knab, Shuji Ye, Yunfen He and A. G. Markelz, Appl. Phys. Lett. 90, 243901 (2007).

8.    “Terahertz Measurements of Protein Relaxational Dynamics,” Joseph R. Knab, Jing-Yin Chen, Yunfen He and Andrea G. Markelz, Proc. IEEE 95, 1605 (2007).

9.    “Terahertz transmission characteristics of high-mobility GaAs and InAs two-dimensional-electron-gas systems,” N. A. Kabir, Y. Yoon,J. R. Knab, J.-Y. Chen, A. G. Markelz, J. L. Reno,Y. Sadofyev, S. Johnson ,Y.-H. Zhang, and J. P. Bird, Appl. Phys. Lett. 89, 132109 (2006).

10.    “Hydration Dependence of Conformational Dielectric Relaxation of Lysozyme,” J. R. Knab, J.-Y. Chen, and A. G. Markelz, Biophys. J. 90, 2576–2581 (2006).

11.    “Large oxidation dependence Observed in Terahertz Dielectric Response for Cytochrome C,” J.-Y. Chen, J. R. Knab, J. Cerne and A. G. Markelz, Phys. Rev. E Rapid 72, 040901 (2005).

12.    “Direct Measurements of Optical Phonons in SrTiO3 Nanosystems,” D. Wolpert, J. Knab, W. Cox, J. Cerne, A. Markelz, T. Zhao, R. Ramesh, and B. Moeckly, Physica E 19 236-9 (2003).

13.    “Terahertz Applications to Biomolecular Sensing,” A. G. Markelz, S. E. Whitmire, Intl. J. of High Speed Electronics and Systems 13 951-67 (2003).

14.    “Protein Flexibility and Conformational State: A comparison of collective vibrational modes of WT and D96N bacteriorhodopsin,” S. E. Whitmire, D. Wolpert, A. G. Markelz, J. R. Hillebrecht, J. Galan, and R. R. Birge, Biophys. J. 85 1269-77 (2003).

15.    “Terahertz Time Domain Spectroscopy of Biomolecular Conformational Modes,” S.Whitmire, A.G. Markelz, J. R. Hillebrecht, and R. Birge, Phys. Med. Biol. 21, 3797-805 (2002).

16.    "Pulsed Terahertz Spectroscopy of DNA, Bovine Serum Albumin and Collagen between 0.06 to 2.00 THz,” A. G. Markelz, A. Roitberg and E. J. Heilweil, Chem. Phys. Lett. 320, 42-8 (2000).

17.    “High Field Pulsed Terahertz Measurements of Nonlinear Conductivity,” A.G. Markelz Trends in Optics and Photonics 46 105-6 (2000).

18.    “Temperature Dependent THz Output from Semi-Insulating GaAs Photoconductive Switches,” A. G. Markelz and E. J. Heilweil. Appl. Phys. Lett. 72, 2229-31 (1998).

19.    "Relaxation times in InAs/Al1-xGaxSb quantum wells," A. G. Markelz, N. G. Asmar, E. G. Gwinn , and Berinder Brar. Appl. Phys. Lett. 72, 2439-41 (1998).

20.    "Interband Impact Ionization by Terahertz Illumination of InAs Heterostructures," A. G. Markelz, N. G. Asmar, E. G. Gwinn, and Berinder Brar. Appl. Phys. Lett. 69, 3975-77 (1996).

21.    "Charge Density and Intensity dependence of third order susceptiblity in Quasi-2D systems," A. G. Markelz and E. G. Gwinn. J. Appl. Phys. 80, 2533-5 (1996).

22.    "Temperature of quasi-two-dimensional electrons under steady-state terahertz driving," N. G. Asmar, J. Cerne, A. G. Markelz, E. G. Gwinn, M. S. Sherwin, K. Campman and A. C. Gossard. Appl. Phys. Lett. 68, 829-31 (1996).

23.    "Undressing a Collective Excitation Using a Free-Electron Laser," K. Craig, B. Galdrikian, J. N. Heyman, A. G. Markelz, J. Williams, M. S. Sherwin, K. Campman, P. F. Hopkins, and A. C. Gossard, Phys. Rev. Lett. 76, 2382-5 (1996).

24.    “Nonlinear Quantum Dynamics in Semiconductor Quantum Wells,” M. S. Sherwin, K. Craig, Keith, B. Galdrikian, J. Heyman, A. Markelz, K. Campman, S. Fafard, Simon, P.F. Hopkins, and A. C. Gossard. Physica D 83 229-42 (1995).

25.    "Resonant energy relaxation of terahertz-driven two-dimensional electron gases," N. G. Asmar, A. G. Markelz, E. G. Gwinn, J. Cerne, M. S. Sherwin, K. Campman, P. F. Hopkins and A. C. Gossard. Phys. Rev. B 51 18041-4 (1995).

26.    "Quenching of excitonic quantum-well photoluminescence by intense far-infrared radiation: carrier heating," J. Cerne, A. G. Markelz, M. S. Sherwin, and S. J. Allen, M. Sundaram, A. C. Gossard, P. S. van Son, and D. Bimberg. Phys Rev. B 51 5253-62 (1995).

27.    “Probing terahertz dynamics in semiconductor nanostructures with the UCSB free-electron lasers,” S. J. Allen, K. Craig, C. L. Felix, P. Guimaraes, J. N. Heyman, J. P. Kaminski, B. J. Keay, A. G. Markelz, G. Ramian, J. of Lumin. 60-61 250-5 (1994).

28.    “Sub-cubic power dependence of third-harmonic generation for in-plane, far infrared excitation of InAs quantum wells,” A.G. Markelz, N. G. Asmar, E.G. Gwinn, M. S. Sherwin, C. Nguyen and H. Kroemer. Semicond. Sci. and Technol. 9, 634-7 (1994).

29.    “DC Transport in Intense in-plane Terahertz Electric Fields in AlxGa1-xAs Heterostructures at 300 K, “ N.G. Asmar, A. G. Markelz, E.G. Gwinn, P.F. Hopkins and A.C. Gossard. Solid-State Elec. 37, 693-5 ( 1994).

30.    “Giant third-order nonlinear susceptibilities for in-plane far-infrared excitation of single InAs quantum wells,” A.G. Markelz, E.G. Gwinn, M. S. Sherwin, C. Nguyen and H. Kroemer. Solid-State Elec. 37, 1243-5 (1994).

31.    “Energy relaxation at THz frequencies in AlxGa1-xAs heterostructures,” N.G. Asmar, A.G. Markelz, E.G. Gwinn, P.F. Hopkins and A.C. Gossard. Semicond. Sci. and Technol. 9, 828-30 (1994).

32.    “Far-Infrared Saturation Spectroscopy of Single Wide GaAs/AlGaAs Square Quantum Well,” K. Craig, C. Felix, J. Heyman, A. Markelz, M. Sherwin, Ken Campman, A. Gossard, P. Hopkins. Semicond. Sci. and Technol., 9, 627-629 (1994).

33.    “Site-Selective oxygen-isotope substitution in YBa2Cu3O7-,” D. E. Morris, A. G. Markelz, J. Y. T. Wei, C. T. Hultgren, J. H. Nickel, J. C. Hamilton, K. F. McCarty. Phys. Rev. B 44, 9556-61 (1991).

34.    “Conversion of 124 into 123 + CuO and 124, 123 and 247 phase regions in YBaCuO system,” D.E. Morris, A. G. Markelz, B.Fayn, J. Nickel. Physica C 168, 153-60 (1990).

35.    “Eight New Superconductors with 1:2:4 structure, “ D. E. Morris, J. H. Nickel, J. Y. T. Wei, N. G. Asmar, J. S. Scott, U. M. Scheven, C. T. Hultgren, A. G. Markelz, J. E. Post, P. J. Heaney, D. R. Veblen, R. M. Hazen. Phys. Rev. B 37, 7347-50 (1989).

36.    “Oxygen concentration effect of Tc of the Bi-Ca-Sr-Cu-O superconductor,” D. E. Morris, C. T. Hultgren, A. G. Markelz, J. Y. T. Wei, N. G. Asmar, J. H. Nickel. Phys. Rev. B 39, 6612-14 (1989).

37.    “Specific-heat measurements on superconducting Bi-Ca-Sr-Cu and Tl-Ca-Ba-Cu Oxides: Absence of a linear term in the specific heat of Bi-Ca-Sr-Cu oxides,” R. A. Fisher, S. Kim, S. E. Lacy, N. E. Phillips, D. E. Morris, A. G. Markelz, J. Y. T. Wei, D. S. Ginley. Phys. Rev. B 38, 11942-5 (1988).

38.    "Small Oxygen Isotope Shift in YBa2Cu3O7,” D. E. Morris, R. M. Kuroda, A. G. Markelz, J. H. Nickel, J. Y. T. Wei. Phys Rev. B 37, 5936-9 (1988).

Conference Proceedings (refereed):

1.    “Ultrafast Carriers Dynamics in GaSb/Mn Random Alloys,” S. Ye, J. Knab, J.-Y. Chen, S. Wang, M. Cheon, H. Luo and A. Markelz, Proceedings of the 28th International Conference on the Physics of Semiconductors, Vienna, Austria July 24-28, 2006.

2.    “Using terahertz spectroscopy as a protein binding assay,” Jing–Yin Chen, Joseph R. Knab, Shuji Ye, Yunfen He and Andrea G. Markelz, Proc. SPIE Vol. 6080, p. 35-42, Advanced Biomedical and Clinical Diagnostic Systems IV; Gerald E. Cohn, Warren S. Grundfest M.D., David A. Benaron M.D., Tuan Vo-Dinh; Eds.

3.    “Critical hydration and temperature effects on terahertz biomolecular sensing,” J. R. Knab, Binni Shah, Jing-Yin Chen, Andrea Markelz Proc. SPIE Vol. 5995, p. 208-217, 2005. Chemical and Biological Standoff Detection III; James O. Jensen, Jean-Marc Thriault; Eds.

4.    “Terahertz measurements of the Photoactive Protein Bacteriorhodopsin mutant D96N: M and P States,” J.-Y. Chen, J. R. Knab, J. Cerne, J. R. Hillebrecht, R. R. Birge and A. G. Markelz, in Proteins as Materials, edited by V.P. Conticello, A. Chilkoti, E. Atkins, and D.G. Lynn (Mater. Res. Soc. Symp. Proc. 826E, Warrendale, PA , 2004), V2.6.

5.    “Tagless and Universal Biosensor for Point Detection of Pathogens,” A.G. Markelz, J. R. Knab, J.-Y. Chen, J. Cerne, and W. A. Cox, Proceedings of the SPIE Security and Defense Symposium, April 12-16, 2004, Orlando, FL.

6.    “Measuring Protein Flexibility with Terahertz Spectroscopy: Basic Research and Applications,” A. G. Markelz, J.-Y. Chen, J. R. Knab, M. Maeder, Proceedings of the IEEE LEOS Summer Topical Meeting, June 28-30, 2004, San Diego, CA.

7.    “Thz Dielectric Response As A Function Of Protein Hydration: Intramolecular Coupling Contribution,” A. G. Markelz, J.-Y. Chen, J. R. Knab, M. Maeder, Proceedings of SPIE Optics East, October 25-28, 2004, Philadelphia, PA.

8.    “Biosensing with Terahertz Spectroscopy: Ligand Binding Effects,” J.-Y. Chen, J. Cerne, and A. G. Markelz. Proceedings of the International Symposium on Spectral Sensing Research 2003, Santa Barbara, CA.

9.    “Terahertz Biosensors based on Xerogel Substrates,” J. –Y. Chen, W. Cox, F. V. Bright, J. Cerne and A. G. Markelz. Proceedings of the International Symposium on Spectral Sensing Research 2003, Santa Barbara, CA.

10.    “Ultrafast THz spectroscopy of photoactive biomolecules,” J.-Y. Chen, S. E. Whitmire, A. G. Markelz, J. R. Hillebrecht and R. R. Birge, Ultrafast Phenomena in Semiconductors VII, Jan. 25-31, 2003, San Jose CA. p. 146-153

11.    “Finite Size Effects In Ferroelectric Nanosystems: Absence Of Mode Softening,” Daniel Wolpert, Joseph Knab, William Cox, John Cerne, Andrea Markelz, Tong Zhao, and R. Ramesh, Technical Proceedings of the 2003 Nanotechnology Conference and Trade Show, Volume 2, San Francisco, CA , Feb. 23-27, 2003. p. 76-81

12.    “Terahertz Time domain spectroscopy of the M intermediate state of Bacteriorhodopsin,” S. Whitmire, A. G. Markelz, J. R. Hillebrecht, and R. Birge, Proceedings of the 26th International Conference on Infrared and Millimeter Waves, Toulouse, France Sept. 10-14 2001 p. 345-348

13.    “Third harmonic generation in a GaAs/AlGaAs Superlattice in the Bloch Oscillator Regime,” M. C. Wanke, A. G. Markelz, K. Unterrainer, S. J. Allen and R. Bhatt, Proceedings of the International Conference on Hot Carriers in Seminconductors, Chicago, July 31 – Aug. 4 1995 p. 161-3.

14.    "Frequency Dependence of the Third Order Susceptibility of InAs Quantum Wells at Terahertz Frequencies," A. G. Markelz J. Cerne, E. G. Gwinn, M. S. Sherwin, B. Brar, H. Kroemer, Proceedings of the International Conference on the Physics of Semiconductors, Aug. 15-19 1994. p. 1193-6.

15.    “Far-infrared harmonic generation from semiconductor heterostructures,” A.G. Markelz, E.G. Gwinn, M. S. Sherwin, J. Heyman, C. Nguyen and H. Kroemer. SPIE Proceedings 1854, 48-55 (1994).

16.    "Far-infrared nonlinear response of electrons in semiconductor nanostructures," M. S. Sherwin, N.G. Asmar, W.W. Bewley, K. Craig, C. Felix, B. Galdrikian, E.G.Gwinn, A.G. Markelz, A.C. Gossard, P.F. Hopkins, M. Sundaram, and B. Birnir. SPIE Proceedings 1854, 36-47 (1993).

17.    “Conversion of 124 and 123 + cupric oxide: microstructure and phase diagram,” D.E. Morris, J. H. Nickel, A. G. Markelz, R. Gronsky, M. Fendorf, C. P. Burmester, Materials Research Society Symposium Proceedings 169, 245-8 (1990).

Book Contributions:

1.    “Development of Tagless Biosensors for Detecting Pathogen Presence,” A. G. Markelz, J. –Y Chen, J. R. Knab, Y. He, and S. Ye. in Terahertz Frequency Detection and Identification of Materials and Objects edited by X-C Zhang, R. E. Miles, H. Eisele and A. Krotkus (Springer, Dordrecht, The Netherlands 2007)

2.    “Terahertz Applications to Biomolecular Sensing,” Scott E. Whitmire and Andrea G. Markelz in Sensing Science and Electronic Technology at THz Frequencies Vol II Emerging Scientific Applications & Novel Device Concepts, edited by: D. Woolard, M. S. Shur and W. Leorop (Scientific World Press,Singapore 2003).

3.    “Third harmonic generation in a GaAs/AlGaAs superlattice in the Bloch oscillator regime,” M. C. Wanke, A. G. Markelz, K. Unterrainer, S. J. Allen, and R. Bhatt, in Hot Carriers in Semiconductors, edited by K. Hess, J.-P. Leburton and U.Ravaioli (Plenum Press, 1996).