Asher Research Group

Department of Chemistry University of Pittsburgh

 

Spectroscopy Group Publications

 

"Solution and Solid Trinitrotoluene (TNT) Photochemistry: Persistence of TNT-like Ultraviolet (UV) Resonance Raman Bands", K.L. Gares, S.V. Bykov, B. Godugu and S.A. Asher, Applied Spectroscopy, 2014, 1, 49-56. [pdf]

"High Throughput, High Resolution Echelle Deep-UV Raman Spectrometer", S.V. Bykov, B. Sharma and S.A. Asher, Applied Spectroscopy, 2013, 67, 873-883. [pdf]

"UV Resonance Raman and DFT Studies of Arginine Side Chains in Peptides: Insights into Arginine Hydration", Z. Hong, J. Wert and S.A. Asher, Journal of Physical Chemistry B, 2013, 117, 7145-7156. [pdf]

"Insight into Resolution Enhancement in Generalized Two-Dimensional Correlation Spectroscopy", L. Ma, V. Sikirzhytski, Z. Hong, I.K. Lednev and S.A. Asher, Appl. Spectrosc., 2013, 67, 283-290. [pdf]

"Resonance Raman Spectra of TNT and RDX Using Vibronic Theory, Excited-State Gradient and Complex Polarizability Approximations", W.A. Al-Saidi, S.A. Asher and P. Norman, Journal of Physical Chemistry A, 2012, 116, 7862-7872. [pdf]

"UV Resonance Raman Spectroscopy Monitors Polyglutamine Backbone and Side Chain Hydrogen Bonding and Fibrillization", K. Xiong, D. Punihaole and S.A. Asher, Biochemistry, 2012, 51, 5822-5830. [pdf]

"Impact of Ion Binding on Poly-L-Lysine (Un)folding Energy Landscape and Kinetics", K. Xiong and S.A. Asher, J. Phys. Chem. B., 2012, 116, 7102-7112. [pdf]

"Deep UV Resonance Raman Excitation Profiles of NH4NO3, PETN, TNT, HMX and RDX", M. Ghosh, L. Wang and S.A. Asher, Applied Spectroscopy, 2012, 66(9), 1013-1021. [pdf]

"UV Resonance Raman Investigations of Peptide and Protein Structure and Dynamics", S.A. Oladepo, K. Xiong, Z. Hong, S.A. Asher, J. Handen and I.K. Lednev, Chemical Reviews, 2012, 112, 2604-2628. [pdf]

“Refractive-Index Matching Avoids Local Field Corrections and Scattering Bias in Solid-State Na2SO4 Ultraviolet Raman Cross-Section Measurements”, L. Wang and S.A. Asher, Applied Spectroscopy, 2012, 66, 157-162. [pdf]

“UV Resonance Raman Studies of the NaClO4 Dependence of Poly-L-Lysine Conformation and Hydrogen Exchange Kinetics”, L. Ma, Z. Hong, B. Sharma and S.A. Asher, J. Phys. Chem. B., 2012, 116, 1134-1142. [pdf]

“Conformation of Poly-L-Glutamate is Independent of Ionic Strength”, K. Xiong, L. Ma and S.A. Asher, Biophysical Chem., 2012, 162, 1-5. [pdf]

229nm UV Photochemical Degradation of Energetic Molecules", L. Wang, D. Tuschel and S.A. Asher, Proc. of SPIE, 2011, Vol. 8018, 80181B-1 - 80181B-6. [pdf]

Direct Observations of Conformational Distributions of Intrinsically Disordered p53 Peptides using UV Raman and Explicit Solvent Simulations", K. Xiong, M.C. Zwier, N.S. Myshakina, V.M. Burger, S.A. Asher and L.T. Chong, J. Phys. Chem. A., 2011, 115, 9520-9527. [pdf]

"Lowest Energy Electronic Transition in Aqueous Cl¯ Salts: Cl¯ →(H2O)6 Charge Transfer Transition", K. Xiong and S.A. Asher, J. Phys. Chem. A., 2011, 115, 9345-9348. [pdf]

“Templated Photonic Crystal Fabrication of Stoichiometrically Complex Nanoparticles for Resonance Raman Solid Cross Section Determinations”, L. Wang, D. Tuschel and S.A. Asher, J. Phys. Chem. C., 2011, 115, 15767-15771. [pdf]

"Multiple-Excitation-Wavelength Resonance-Raman Explosives Detection", B. Yellampalle, M. Sluch, S.A. Asher, B. Lemoff, Proc. of SPIE, 2011, Vol. 8018, 801819-1 - 801819-7. [pdf]

“UV Resonance Raman Study of Side Chain Electrostatic Control of Poly-L-Lysine Conformation”, L. Ma, Z. Ahmed and S.A. Asher, J. Phys. Chem. B., 2011, 115, 4251-4258. [pdf]

"UV Resonance Raman Finds Peptide Bond — Arg Side Chain Electronic Interactions", B. Sharma and S.A. Asher, J. Phys. Chem. B., 2011, 115, 5659-5664. [pdf]

“Circular Dichroism and Ultraviolet Resonance Raman Indicate Little Arg-Glu Side Chain α-Helix Peptide Stabilization”, Z. Hong, Z. Ahmed and S.A. Asher, J. Phys. Chem. B., 2011, 115, 4234-4243. [pdf]

“Solid State and Solution Nitrate Photochemistry: Photochemical Evolution of the Solid State Lattice”, S.A. Asher, D.D. Tuschel, T.A. Vargson, L. Wang and S. J. Geib, J. Phys. Chem. A, 2011, 115, 4279-4287. [pdf]

"Elucidating Peptide and Protein Structure and Dynamics: UV Resonance Raman Spectroscopy”, S.A. Oladepo, K. Xiong, Z. Hong and S.A. Asher, J. Phys. Chem. Lett., 2011, 2, 334-344. [pdf]

“Raman Studies of Solution Polyglycine Conformations”, S. Bykov and S. A. Asher, J. Phys. Chem. B, 2010, 114, 6636–6641. [pdf]

“UV Resonance Raman Investigation of the Conformations and Lowest Energy Allowed Electronic Excited States of Tri- and Tetraalanine: Charge Transfer Transitions”, B. Sharma and S. A. Asher, J. Phys. Chem. B., 2010, 114, 6661–6668. [pdf]

"Circular Dichroism and UV Resonance Raman Study of the Impact of Alcohols on the Gibbs Free Energy Landscape of an α-helical Peptide", K. Xiong and S. A. Asher, Biochemistry, 2010, 49, 3336–3342. [pdf]

"Deep UV Resonance Raman Excitation Enables Explosives Detection", D.D. Tuschel, A.V. Mikhonin, B.E. Lemoff and S. A. Asher, Applied Spectroscopy, 2010, 64, 425-432. [pdf]

"Sodium Perchlorate Effects on the Helical Stability of a Mainly Alanine Peptide", E.K. Asciutto, I.J. General, K. Xiong, S.A. Asher, and J.D. Madura, Biophysical Journal 2010, 98, 186-196. [pdf]

"UV Resonance Raman Elucidation of the Terminal and Internal Peptide Bond Conformations of Crystalline and Solution Oligoglycines", S.V. Bykov and S.A. Asher, The Journal of Physical Chemistry Letters, 2010, 1, 269–271. [pdf]

"Salt Dependence of an alpha-Helical Peptide Folding Energy Landscapes", K. Xiong, E.K. Asciutto,J.D. Madura, and S.A. Asher, Biochemistry 2009, 48, 10818–10826. [pdf]

"UV Resonance Raman Determination of Molecular Mechanism of Poly(N-isopropylacrylamide) Volume Phase Transition", Z. Ahmed, E.A. Gooding, K.V. Pimenov, L. Wang, and S.A. Asher, J. Phys. Chem. B. 2009, 113, 4248–4256. [pdf]

"Dependence of the AmII'p Proline Raman Band on Peptide Conformation", Z. Ahmed, N.S. Myshakina, and S.A. Asher, J. Phys. Chem. B. 2009, 113, 11252–11259. [pdf]

"Circular Dichroism and UV-Resonance Raman Investigation of the Temperature Dependence of the Conformation of Linear and Cyclic Elastin", Z. Ahmed, J. Scaffidi and S. A. Asher, Biopolymers 2009, 91, 52-60. [pdf]

"Critical Role of the Solvent Environment in Galectin-1 Binding to the Disaccharide Lactose" S. DiLella, L. Ma, J.C. Diaz Ricci, G.A. Rabinovich, S.A. Asher and R. Maria S. Alvarez, Biochemistry 2009, 48, 786-791. [pdf]

"Computational and Experimental Determination of the Alpha-Helix Unfolding Reaction Coordinate", E. Asciutto, J. Madura, A. Mikhonin and S.A. Asher, Biochemistry 2008, 47, 2046-2050. [pdf]

"Dependence of Glycine CH2 Stretching Frequencies on Conformation, Ionization State, and Hydrogen Bonding", S. Bykov, N. Myshakina and S.A. Asher, J. Phys. Chem. B. 2008, 112, 5803-5812. [pdf]

"UV Resonance Raman Investigation of Electronic Transitions in alpha-Helical and Polyproline II-Like Conformations", B. Sharma, S. Bykov and S.A. Asher, J. Phys. Chem. B. 2008, 112, 11762-11769. [pdf]

"Dependence of Amide Vibrations on Hydrogen Bonding", N. Myshakina, Z. Ahmed and S. A. Asher, J. Phys. Chem. B 2008, 112, 11873-11877. [pdf]

"UV Raman Spatially Resolved Melting Dynamics of Isotopically Labeled Polyalanyl Peptide: Slow alpha-Helix Melting Follows 3(10)-Helices and pi-Bulges Premelting", A. Mikhonin, S.A. Asher, S. Bykov and A. Murza, J. Phys. Chem. B. 2007, 111, 3280-3292. [pdf]

"Peptide Bond Vibrational Coupling", N.S. Myshakina and S. A. Asher, J. Phys. Chem. B. 2007, 111, 4271-4279. [pdf]

"UV Resonance Raman Measurements of Poly-L-Lysine's Conformational Energy Landscapes: Dependence on Perchlorate Concentration and Temperature", L. Ma, Z. Ahmed, A. V. Mikhonin and S. A. Asher, J. Phys. Chem B. 2007, 111, 7675-7680. [pdf]

"Peptide Secondary Structure Folding Reaction Coordinate: Correlation between UV Raman Amide III Frequency, psi-Ramachandran Angle, and Hydrogen Bonding", A. Mikhonin, S. Bykov, N. Myshakina and S.A. Asher, J. Phys. Chem. B. 2006, 110, 1928-1943. [pdf]

"UV Resonance Raman Investigation of a 3(10)-Helical Peptide Reveals a Rough Energy Landscape", Z. Ahmed and S. A. Asher, Biochemistry 2006, 45, 9068-9073. [pdf]

"Direct UV Raman Monitoring of 3(10)-Helix and pi-Buldge Premelting During alpha-Helix Unfolding", Mikhonin and S. A. Asher, J. Am. Chem. Soc. 2006, 128, 13789-13795. [pdf]

"UV Raman Examination of alpha-helical Peptide Water Hydrogen Bonding," K. Pimenov, S. Bykov, Mikhonin and S. A. Asher, J. Am. Chem. Soc. 2005, 127, 2840-2841. [pdf]

"Uncoupled Peptide Bond Vibrations in alpha-Helical and Polyproline II Conformations of Polyalanine Peptides," A. Mikhonin and S. A. Asher, J. Phys. Chem. B. 2005, 109, 3047-3052. [pdf]

"UV Resonance Raman Determination of Polyproline II, Extended 2.5(1)-Helix, and beta-Sheet psi Angle Energy Landscape in Poly-L-Lysine and Poly-L-Glutamic Acid," A. Mikhonin, N. Myshakina, S. Bykov and S.A. Asher, J. Am. Chem. Soc. 2005, 127, 7712-7720. [pdf]

"UV Resonance Raman Thermal Unfolding Study of Trp-Cage Shows That It Is Not a Simple Two-State Miniprotein", Z. Ahmed, I. Beta, A. Mikhonin and S.A. Asher, J. Am. Chem. Soc. 2005, 127, 10943-10950. [pdf]

"Simple Nanosecond to Minutes Transient Absorption Spectrophotometer", A. Mikhonin, M.K. Maurer, C. Reese and S. A. Asher, Applied Spectroscopy 2005, 59, 1534-1540. [pdf]

"Steady State and Transient UV Resonance Raman Spectrometer for the 193-270 nm Spectral Region", S. Bykov, I. Lednev, A. Ianoul, A. Mikhonin, C. Munro and S.A. Asher, Applied Spectroscopy 2005, 59, 1541-1552. [pdf]

"UVRR Spectroscopic Studies of Valinomycin Complex Formation in Different Solvents," Ozdemir, I. Lednev and S.A. Asher, Spectrochimica Acta Part A 2005, 61, 19-26. [pdf]

"UV Raman Demonstrates that alpha-Helical Polyalanine Peptides Melt to Polyproline II Conformations," S.A. Asher, A. Mikhonin, S. Bykov, J. Am. Chem. Soc. 2004, 126, 8433-8440. [pdf]

"A Soluble C1b Soluble Protein and Its Regulation of Soluble Type 7 Adenylyl Cyclase: A Prototype for Soluble C1B Models," J. Beeler, S.-Z Yan, S. Bykov, A. Murza, S. A. Asher, W-J Tang, Biochemistry 2004, 43, 15463-15471. [pdf]

"Assignments and Conformational Dependencies of the Amide III Peptide Backbone UV Resonance Raman Bands," A. Mikhonin, Z. Ahmed, A. Ianoul and S.A. Asher, J. Phys. Chem. B. 2004, 108, 19020-19028. [pdf]

"Comparison between UV Raman and Circular Dichroism Detection of Short alpha-Helices in Bombolitin III", A. Ozdemir, I. Lednev and S. A. Asher, Biochemistry 2002, 41, 1893-1896. [pdf]

"UV Resonance Raman Study of the Spatial Dependence of alpha-Helix Unfolding" Ianoul, A. Mikhonin, I. Lednev and S. A. Asher, J. Phys. Chem. A. 2002, 106, 3621-3624. [pdf]

"UV Resonance Raman Spectroscopic Detection of Nitrate and Nitrite in Wastewater Treatment Processes", A. Ianoul, T. Coleman and S. A. Asher, Anal. Chem. 2002, 74, 1458-1461. [pdf]

"Real Space Analysis of Excitonic Interactions and Coherence Length in Helical Aggregates", Piryatinski, S. Mukamel and S.A. Asher, J. Phys. Chem A. 2002, 106, 3524-3530. [pdf]

"Ultraviolet Raman Spectroscopy," S. A. Asher, in Handbook of Vibrational Spectroscopy, J.M. Chalmers and P.R. Griffiths (Eds), John Wiley & Sons, Ltd., 2002, Vol. 1. 557-571. [pdf]

"Transient UV Raman Spectroscopy Finds No Crossing Barrier Between Peptide -Helix to Fully Random Coil Conformation", I. Lednev, A. Karnoup, M. Sparrow and S. A. Asher, J. Am. Chem. Soc. 2001, 123, 2388-2392. [pdf]

"Dependence of the Peptide Amide III Vibration on the Peptide phi-Dihedral Angle", Ianoul, M. Boyden and S. A. Asher, J. Am. Chem. Soc. 2001, 123, 7433-7434. [pdf]

"Electronic Excitations of Polyalanine; Test of the Independent Chromophore Approximation" E. Goldmann, S. A. Asher and S. Mukamel, Phys. Chem. Chem. Phys. 2001, 3, 2893-2903. [pdf]

"Dihedral psi Angle Dependence of the Amide III Vibration: A Uniquely Sensitive UV Resonance Raman Secondary Structural Probe", A. Ianoul, G. Mix, M. Boyden, A. Karnoup, M. Diem, R. Schweitzer-Stenner and S.A. Asher, J. Am. Chem. Soc. 2001, 123, 11775-11781. [pdf]

"UV Raman Studies of Peptide Conformation Demonstrate that Betanova Does Not Cooperatively Unfold", M. Boyden and S. A. Asher, Biochemistry 2001, 40, 13723-13727. [pdf]

"Crown-annelated 9,10-Bis(1,3-dithiol-2-ylidene)-9,10-dihydroanthracene Derivatives as Cation Sensors: Synthesis, X-ray Crystal Structures, Voltammetric and Spectroscopic Monitoring of Metal Complexation" M. Bryce, A.S. Batsanov, T. Finn, T.K. Hansen, A.J. Moore, J. Howard, M. Kamenjicki, I.K. Lednev and S.A. Asher, Eur. J. Org. Chem. 2001, 933-940. [pdf]

"Origin of the Unusual Dependence of Raman D Band on Excitation Wavelength in Graphite-like Materials" A.K. Sood, R. Gupta and S.A. Asher, J. Appl. Phys. 2001, 90, 4494-4497 and J. Appl. Phys. 2001, 91, 547. [pdf]

"UV Resonance Raman Study of Angiotensin II Conformation in Non-Aqueous Environments: Lipid Micelles and Acetonitrile", J.S.W. Holtz, I. Lednev and S. A. Asher, Biopolymers (Biospectroscopy) 2000, 57, 55-63. [pdf]

"Uncoupled Adjacent Amide Vibrations in Small Peptides", G. Mix, R. Schweitzer-Stenner and S. A. Asher, J. Am. Chem. Soc. 2000, 122, 9028-9029. [pdf]

"A New 224 nm Hollow Cathode Laser - UV Raman Spectrometer", M. Sparrow, J. Jackovitz, C. Munro, W. Hug and S. A. Asher, Applied Spectroscopy 2000, Vol. 55, 1, 66-70. [pdf]

"Raman Instrumentation", R. Bormett and S. A. Asher, Raman Scattering in Materials Science, Chap. 2, 35-54, Materials Science 2000, Eds., W.H.Weber and R. Merlin. [pdf]

"Different Conformers and Protonation States of Dipeptides Probed by Polarized Raman, UV Resonance Raman and FTIR-Spectroscopy", G. Sieler, R. Schweitzer-Stenner, J. Holtz, V. Pajcini, and S. A. Asher, J. Phys. Chem. B 1999, 103, 372-384. [pdf]

"Nanosecond UV Resonance Raman Examination of Initial Steps in alpha-Helix Secondary Structure Evolution", I.K. Lednev, A.S. Karnoup, M.C. Sparrow and S.A. Asher, J. Am. Chem. Soc. 1999, 121, 4076-4077. [pdf]

"UV Raman Examination of the Environmental Dependence of Bombolitin I and Bombolitin III Secondary Structure", J. S. W. Holtz, J. H. Holtz, Z. Chi and S. A. Asher, Biophysical Journal 1999, 76, 3227-3234. [pdf]

"UV Resonance Raman Studies of Cis to Trans Isomerization of Glycyl-Glycine Derivatives", J.S.W. Holtz, P. Li and S. A. Asher, J. Am. Chem. Soc. 1999, 121, 3762-3766. [pdf]

"UV Resonance Raman Examination of Horse Apomyoglobin Acid Unfolding Intermediates", Z. Chi and S. A. Asher, Biochemistry 1999, 38, 8196-8203. [pdf]

"alpha-Helix Peptide Folding and Unfolding Activation Barriers: A Nanosecond UV Resonance Raman Study", I.K. Lednev, A.S. Karnoup, M.C. Sparrow and S.A. Asher, J. Am. Chem. Soc. 1999, 121, 8074-8086. [pdf]

"Nanosecond UV Resonance Raman Examination of Initial Steps in alpha-Helix Secondary Structure Evolution", I.K. Lednev, A.S. Karnoup, M.C. Sparrow and S.A. Asher, Spectroscopy of Biological Molecules: New Directions 1999, 11-12, Kluwer Academic Publishers. [pdf]

"Pre-Resonance Raman Single-Crystal Measurements of Electronic Transition Moment Orientations in N-Acetylglycinamide", V. Pajcini and S. A. Asher, J. Am. Chem. Soc. 1999, 121, 10942-10954. [pdf]

"UV Resonance Raman Determination of Protein Acid Denaturation: Selective Unfolding of Helical Segments of Horse Myoglobin" Z. Chi and S. A. Asher, Biochemistry 1998, 37, 2865-2872. [pdf]

"UV Resonance Raman Selective Amide Vibrational Enhancement: Quantitative Methodology for Determining Protein Secondary Structure", Z. Chi, X. G. Chen, J. S. W. Holtz, and S. A. Asher, Biochemistry 1998, 37, 2854-2864. [pdf]

"Nanosecond Time-Resolved UV Resonance Raman Spectroscopy of Protein Folding", K. Lednev, A. S. Karnoup, M. C. Sparrow, C. H. Munro and S. A. Asher, Proceedings of the XVI International Conference on Raman Spectroscopy 1998, 292-293. [pdf]

"Lyzozyme Thermal Denaturation: A Steady State and Time Resolved UV Resonance Raman Spectroscopic Study", M. C. Sparrow, I. K. Lednev, A. S. Karnoup, and S. A. Asher, Proceedings of the XVI International Conference on Raman Spectroscopy 1998, 152-153. [pdf]

"UV Resonance Raman Studies of Temperature-Induced Structural Changes in Proteins and Polypeptides", S. Karnoup, I. K. Lednev, M. C. Sparrow, and S. A. Asher, Proceedings of the XVI International Conference on Raman Spectroscopy 1998, 286-287. [pdf]

"Resonance Raman Examination of the Two Lowest Amide * Excited States", S. A. Asher, Z. Chi, and P. Li, J. Raman Spectrosc. 1998, 29, 927-931. [pdf]

"UV Raman Determination of the Environment and Solvent Exposure of Tyr and Trp Residues", Z. Chi and S. A. Asher, J. Phys. Chem. B 1998, 102, 9595-9602. [pdf]

"UV Resonance Raman Ground and Excited State Studies of Amide and Peptide Isomerization Dynamics", P. Li, X. G. Chen, E. Shulin, and S. A. Asher, J. Am. Chem. Soc. 1997, 119, 1116-1120. [pdf]

"UV Raman Microspectroscopy: Spectral and Spatial Selectivity with Sensitivity and Simplicity", V. Pajcini, C. H. Munro, R. W. Bormett, R. E. Witkowski, and S. A. Asher, Appl. Spectrosc. 1997, 51, 81-86. [pdf]

"Reply to [Comment on 'Vibrational Assignments of trans-N-Methylacetamide and Some of Its Deuterated Isotopomers from Band Decomposition of IR, Visible, and Resonance Raman Spectra']", S. A. Asher, P. Li, Z. Chi, X. G. Chen, R. Schweitzer-Stenner, N. G. Mirkin, and S. Krimm, J. Phys. Chem. 1997, 101, 3992-3994. [pdf]

"UV Studies of Tetrahedral Bonding in Diamondlike Amorphous Carbon", V. I. Merkulov, J. S. Lannin, C. H. Munro, S. A. Asher, V. S. Veerasamy, and W. I. Milne, Phys. Rev. Lett. 1997, 78, 4869-4872. [pdf]

"UV Lasers Revolutionize Raman Spectroscopy", S. A. Asher, C. H. Munro, and Z. Chi, Laser Focus World 1997, July, 99-109. [pdf]

"UV Resonance Raman Determination of alpha-Helix Melting During the Acid Denaturation of Myoglobin", S. A. Asher and Z. Chi, NATO ASI Series: Biomolecular Structure and Dynamics: Recent Experimental and Theoretical Advances, G. Vergoten and T. Theophanides (Eds.), 1997, 263-270. [pdf]

"Dielectric Stack Filters for Ex-Situ and In-Situ UV Optical Fiber Probe Raman Spectroscopic Measurements", C. H. Munro, V. Pajcini, and S. A. Asher, Appl. Spectrosc. 1997, 51, 1722-1729. [pdf]

"UV Resonance Raman and Absorption Studies of Angiotensin II Conformation in Lipid Environments", N. Cho and S. A. Asher, Biospectroscopy 1996, 2, 71-82. [pdf]

Proceedings of the Fifteenth International Conference on Raman Spectroscopy, S. A. Asher and P. Stein, eds., John Wiley and Sons, Chichester, England, 1996.

Proceedings of the Fifteenth International Conference on Raman Spectroscopy, S. A. Asher and P. Stein, Eds. 2 , McGraw Hill Companies, Inc. College Custom Series, 1996.

"Enzymology, Nonaqueous", S. Chatterjee, S. Bambot, R. Bormett, S. Asher, and A. J. Russell, Encyclopedia of Molecular Biology and Molecular Medicine, R.A. Meyers, Ed., 1996, 249-258. [pdf]

"Resonance Raman Examination of the Electronic Excited States of Glycylglycine and Other Dipeptides: Observation of a Carboxylate Amide Charge Transfer Transition", X. G. Chen, P. Li, J. S. W. Holtz, Z. Chi, V. Pajcini, S. A. Asher, and L. A. Kelly, J. Am. Chem. Soc. 1996, 118, 9705-9715. [pdf]

"Glycylglycine * and Charge Transfer Transition Moment Orientations: Near Resonance Raman Single Crystal Measurement", V. Pajcini, X. G. Chen, R. W. Bormett, S. J. Geib, P. Li, S. A. Asher, and E. G. Lidiak, J. Am. Chem. Soc. 1996, 118, 9716-9726. [pdf]

"Applications of a New 206.5 nm CW Laser Source: UV Raman Determination of Protein Secondary Structure and CVD Diamond Material Properties", J. S. W. Holtz, R. W. Bormett, Z. Chi, N. Cho, X. G. Chen, V. Pajcini, S. A. Asher, L. Spinelli, P. Owen, and M. Arrigoni, Appl. Spectrosc. 1996, 50, 1459-1468. [pdf]

"Characterization of Diamond Thin Films by Core-Level Photoabsorption and UV Excitation Raman Spectroscopy" C. D. Zuiker, A. R. Krauss, D. M. Gruen, J. A. Carlisle, L. J. Terminello, S. A. Asher and R. W. Bormett, Mat. Res. Soc. Symp. Proc. 1996, 437, 211-218. [pdf]

"UV Raman Determination of the * Excited State Geometry of N-methylacetamide: Vibrational Enhancement Pattern", X. G. Chen, S. A. Asher, R. Schweitzer-Stenner, N. G. Mirkin, and S. Krimm, J. Am. Chem. Soc. 1995, 117, 2884-2895. [pdf]

"Vibrational Assignments of trans N-methylacetamide and Some of its Deuterated Isotopomers from Band Decomposition of IR, Visible and Resonance Raman Spectra", X. G. Chen, R. Schweitzer-Stenner, S. A. Asher, N. Mirkin, and S. Krimm, J. Phys. Chem. 1995, 99, 3074-3083. [pdf]

"UV Raman Spectroscopy Characterizes CVD Diamond Film Growth and Oxidation", R. W. Bormett, S. A. Asher, R. E. Witkowski, W. D. Partlow, R. Lizewski, and F. Pettit, J. App. Phys. 1995, 77, 5916-5923. [pdf]

"UV Resonance Raman Studies of the Photochemical Dynamics of N-Methylacetamide Isomerization", P. Li, X. G. Chen and S. A. Asher, in Spectroscopy of Biological Molecules, Eds. J. C. Merlin, S. Turrell, and J. P. Huvenne, 1995, 47-48. [pdf]

"2-D Light Diffraction from CCD and Intensified Reticon Multichannel Detectors Causes Spectrometer Stray Light Problems", R. W. Bormett and S. A. Asher, Appl. Spectrosc. 1994, 48, 1-6. [pdf]

"UV Resonance Raman and Excited State Relaxation Studies of Hemoglobin", N. Cho, S. Song, and S. A. Asher, Biochemistry 1994, 33, 5932-5941. [pdf]

"Determination of CO Orientation in Myoglobin by Single Crystal Infrared Linear Dichroism", D. Ivanov, J. T. Sage, M. Keim, J. R. Powell, S. A. Asher, and P. M. Champion, JACS, 1994, 116, 4139-4140. [pdf]

"Vibrational Circular Dichroism Measurements of Ligand Vibrations in Haem and Non-Haem Metalloenzymes", W. Bormett, G. D. Smith, S. A. Asher, D. Barrick, and D. M. Kurtz, Faraday Discuss. 1994, 99, 327-339. [pdf]

"N-Methylacetamide and Its Hydrogen-Bonded Water Molecules Are Vibrationally Coupled", X. G. Chen, R. Schweitzer-Stenner, S. Krimm, N. Mirkin, and S. A. Asher, J. Am. Chem. Soc. 1994, 116, 11141-11142. [pdf]

"UV Raman Spectroscopy for Analytical, Physical, and Biophysical Chemistry, Part 1", S. A. Asher, Anal. Chem. 1993, 65, 59A-66A. [pdf]

"UV Raman Spectroscopy for Analytical, Physical, and Biophysical Chemistry, Part 2", S. A. Asher, Anal. Chem. 1993, 65, 201A-210A. [pdf]

"Convenient Microsampling System for UV Resonance Raman Spectroscopy", X. G. Chen, D. H. Lemmon, R. W. Bormett, and S. A. Asher, Appl. Spectrosc. 1993, 47, 248-249. [pdf]

"UV Resonance Raman Spectroscopy Using a New CW Laser Source: Convenience and Experimental Simplicity", S. A. Asher, R. W. Bormett, X. G. Chen, D. H. Lemmon, N. Cho, P. Peterson, M. Arrigoni, L. Spinelli, and J. Cannon, Appl. Spectrosc. 1993, 47, 628-633. [pdf]

"UV Resonance Raman Studies of DNA-Pyrene Interactions: Optical Decoupling Raman Spectroscopy Selectively Examines External Site Bound Pyrene", N. Cho and S. A. Asher, J. Am. Chem. Soc. 1993, 115, 6349-6356. [pdf]

"Selective Examination of Hemeprotein Azide Ligand-Distal Globin Interactions by Vibrational Circular Dichroism", R. W. Bormett, S. A. Asher, P. J. Larkin, W. G. Gustafson, N. Ragunathan, T. B. Freedman, L. A. Nafie, S. Balasubramanian, S. G. Boxer, N.-T. Yu, K. Gersonde, R. W. Noble, B. A. Springer, and S. G. Sligar, J. Am. Chem. Soc. 1992, 114, 6864-6867. [pdf]

"UV Resonance Raman Evidence for Electronically and Vibrationally Independent Protoporphyrin IX Vinyl Groups", V. L. DeVito, M.-Z. Cai, S. A. Asher, L. A. Kehres, and K. M. Smith, J. Phys. Chem. 1992, 96, 6917-6922. [pdf]

"Internal Intensity Standards for Heme Protein UV Resonance Raman Studies: Excitation Profiles of Cacodylic Acid and Sodium Selenate", S. Song and S. A. Asher, Biochemistry 1991, 30, 1199-1205. [pdf]

"Ultraviolet Resonance Raman Studies of Trans and Cis Peptides: Photochemical Consequences of the Twisted * Excited State", S. Song, S. A. Asher, S. Krimm, and K. D. Shaw, J. Am. Chem. Soc. 1991, 113, 1155-1163. [pdf]

"A New Raman Cross Section Measurement Technique Monitors the Tyrosine Environmental Dependence of the Electromagnetic Field Strength", P. J. Larkin, W. G. Gustafson, and S. A. Asher, J. Chem. Phys. 1991, 94, 5324-5330. [pdf]

"Evaluation of the pi-Bonding Ability of Imidazole: Structure Determination and Characterization of catena (H2O)(1 methylimidazole)2Mg(m CN) (CN)4(1 methylimidazole)Fe(III)"H2O", C. R. Johnson, C. M. Jones, S. A. Asher, and J. A. Abola, Inorg. Chem. 1991, 30, 2120-2129. [pdf]

"Ultraviolet Resonance Raman and Absorption Difference Spectroscopy of Myoglobins: Titration Behavior of Individual Tyrosine Residues", S. A. Asher, P. J. Larkin, and J. Teraoka, Biochemistry 1991, 30, 5944-5954. [pdf]

"Applications of Ultraviolet Resonance Raman Spectroscopy. Residual Olefins in Polypropylene", P. M. Killough, V. L. DeVito, and S. A. Asher, Appl. Spectrosc. 1991, 45, 1067-1069. [pdf]

"UV Resonance Raman Examination of Azurin Tryptophan Environment and Energy Relaxation Pathways", J. Sweeney, P. A. Harmon, S. A. Asher, C. M. Hutnik, and A. G. Szabo, J. Am. Chem. Soc. 1991, 113, 7531-7537. [pdf]

"UV Raman Studies of Biological Structure and Dynamics and Energy Transfer", S. A. Asher, Spectroscopy of Biological Molecules, Ed. R. E. Hester and R. B. Girling, 1991, 11-14. [pdf]

"Vibrational Circular Dichroism is a Sensitive Probe of Heme Protein-Ligand Interactions", S. A. Asher, R. W. Bormett, P. J. Larkin, W. G. Gustafson, N. Ragunathan, T. B. Freedman, L. A. Nafie, N.-T. Yu, K. Gersonde, R. W. Noble, B. A. Springer, S. G. Sligar, S. Balasubramanian, S. G. Boxer, Spectroscopy of Biological Molecules, Ed. R. E. Hester and R. B. Girling, 1991, 139-140. [pdf]

"UV Resonance Raman Saturation Spectroscopy of Tryptophan Derivatives: Photophysical Relaxation Measurements with Vibrational Band Resolution", J. Teraoka, P. A. Harmon, and S. A. Asher, J. Am. Chem. Soc. 1990, 112, 2892-2900. [pdf]

"Vibrational Circular Dichroism, Raman, FTIR, and Heme Electronic CD Studies of Azide Binding to Heme Proteins", S. Asher, P. Larkin, N. Ragunathan, T. Freedman, L. Nafie, B. Springer, S. Sligar, R. Noble, Biophys. J. 1990, 57, 50a. [pdf]

"Tryptophan UV Resonance Raman Excitation Profiles", J. Sweeney and S. A. Asher, J. Phys. Chem. 1990, 94, 4784-4791. [pdf]

"UV Resonance Raman Saturation Spectroscopy Measures Protein Aromatic Amino Acid Excited State Relaxation Rates", P. A. Harmon, J. Teraoka, and S. A. Asher, J. Am. Chem. Soc. 1990, 112, 8789-8799. [pdf]

"Environmental Dependence of Preresonance Raman Cross-Section Dispersions: Benzene Vapor-Phase Excitation Profiles", P. A. Harmon and S. A. Asher, J. Chem. Phys. 1990, 93, 3094-3100. [pdf]

"Amide V Overtone Assignment of a Conformation Sensitive Band in the UV Resonance Raman Spectra of Peptides and Proteins", S. Krimm, S. Song, and S. A. Asher, J. Am. Chem. Soc. 1989, 111, 4290-4294. [pdf]

"UV Resonance Raman Studies of Peptide Conformation in Poly(L lysine), Poly(L glutamic acid), and Model Complexes: The Basis for Protein Secondary Structure Determinations", S. Song and S. A. Asher, J. Am. Chem. Soc. 1989, 111, 4295-4305. [pdf]

"Resonance Raman Evidence for Tyrosine Involvement in the Radical Site of Galactose Oxidase", M. M. Whittaker, V. L. DeVito, S. A. Asher, and J. W. Whittaker, J. Biol. Chem. 1989, 264, 7104-7106. [pdf]

"UV Resonance Raman Enhancement of Vinyl Stretching in Ferric Protoporphyrin IX: Conjugation and Preservation of the Vinyl * Transition", V. L. DeVito and S. A. Asher, J. Am. Chem. Soc. 1989, 111, 9143-9152. [pdf]

"Ultraviolet Resonance Raman Excitation Profile of Tyrosine: Dependence of Raman Cross Sections on Excited-State Intermediates", M. Ludwig and S. A. Asher, J. Am. Chem. Soc. 1988, 110, 1005-1011. [pdf]

"UV Raman Excitation Profiles of Imidazole, Imidazolium, and Water", S. A. Asher and J. L. Murtaugh, Appl. Spectrosc. 1988, 42, 83-90. [pdf]

"UV Resonance Raman Characterization of Polycyclic Aromatic Hydrocarbons in Coal Liquid Distillates", R. Rummelfanger, S. A. Asher, and M. B. Perry, Appl. Spectrosc. 1988, 42, 267-272. [pdf]

"Differentiation Between Resonance Raman Scattering and Single Vibrational Level Fluorescence 5100 cm-1 above the 1B2u Origin in Benzene Vapor by Means of Excitation Profiles", P. A. Harmon and S. A. Asher, J. Chem. Phys. 1988, 88, 2925-2938. [pdf]

"UV Resonance Raman Studies of Molecular Structure and Dynamics: Applications in Physical and Biophysical Chemistry", S. A. Asher, Annual Review Physical Chemistry 1988, 39, 537-588. [pdf]

"Ultraviolet Resonance Raman Study of the Pyrene S4, S3, and S2 Excited Electronic States", C. M. Jones and S. A. Asher, J. Chem. Phys. 1988, 89, 2649-2661. [pdf]

"Assignment of a New Conformation Sensitive UV Resonance Raman Band in Peptides and Proteins", S. Song, S. A. Asher, S. Krimm and J. Bandekar, J. Am. Chem. Soc. 1988, 110, 8547-8548. [pdf]

"Self Absorption in Resonance Raman and Rayleigh Scattering: A Numerical Solution", M. Ludwig and S. A. Asher, Appl. Spectrosc. 1988, 42, 1458-1466. [pdf]

"Saturation Raman Spectroscopy", J. Teraoka, P. A. Harmon and S. A. Asher, Proc. XI Int. Conf. Raman Spectrosc., Ed. Long and Clark, 1988, 547-548. [pdf]

"UV Resonance Raman Detection of Artificial Sweetener in Soda Pop Just For the Fun of It", M. Ludwig and S. A. Asher, Appl. Spectrosc. 1987, 41, 331-332. [pdf]

"UV Resonance Raman Excitation Profiles of l Cystine", C. R. Johnson and S. A. Asher, J. Raman Spectrosc. 1987, 18, 345-349. [pdf]

"High Repetition Rate Excimer-Based UV Laser Excitation Source Avoids Saturation in Resonance Raman Measurements of Tyrosinate and Pyrene", C. M. Jones, V. L. Devito, P. A. Harmon, and S. A. Asher, Appl. Spectrosc. 1987, 41, 1268-1275. [pdf]

"Ultraviolet Resonance Raman Characterization of Photochemical Transients of Phenol, Tyrosine, and Tryptophan", C. R. Johnson, M. Ludwig, and S. A. Asher, J. Am. Chem. Soc. 1986, 108, 905-912. [pdf]

"UV Resonance Raman Excitation Profiles of the Aromatic Amino Acids", S. A. Asher, M. Ludwig, and C. R. Johnson, J. Am. Chem. Soc. 1986, 108, 3186-3197. [pdf]

"UV Resonance Raman Spectroscopy: A New Technique for Speciation of Aromatics in Complex Matrices", S. A. Asher and C. M. Jones, in New Applications of Analytical Techniques to Fossil Fuels, ACS Sym. Ser., Ed. Perry and Retcofsky, Am. Chem. Soc., Division of Fuel Chemistry, preprints, 1986, 31 (1), 170-180. [pdf]

"UV Resonance Raman Enhancement: From Small Molecules to Proteins", S. A. Asher, Proc. Tenth Int. Conf. Raman Spectrosc., 1-2, Ed. Peticolas and Hudson, 1986. [pdf]

"Analytical Applications of Ultraviolet Resonance Raman Spectroscopy", C. M. Jones, T. A. Naim, M. Ludwig, J. Murtaugh, P. F. Flaugh, J. M. Dudik, C. R. Johnson and S. A. Asher, Trends in Analytical Chemistry 1985, 4, 75-80. [pdf]

"Wavelength Dependence of the Preresonance Raman Cross Sections of CH3CN, SO42-, ClO4- and NO3-", J. M. Dudik, C. R. Johnson, and S. A. Asher, J. Chem. Phys. 1985, 82, 1732-1740. [pdf]

"UV Resonance Raman Excitation Profile Through the 1B2u State of Benzene", S. A. Asher and C. R. Johnson, J. Phys. Chem. 1985, 89, 1375-1379. [pdf]

"Resonance Raman Studies of the Excited Electronic States of (CN)5Fe(III)(imidazole)2- and (NH3)5Ru(III)(imidazole)3+", C. M. Jones, C. R. Johnson, S. A. Asher, and R. E. Shepherd, J. Am. Chem. Soc. 1985, 107, 3772-3780. [pdf]

"UV Resonance Raman Studies of Acetone, Acetamide, and N Methylacetamide: Models for the Peptide Bond", J. M. Dudik, C. R. Johnson, and S. A. Asher, J. Phys. Chem. 1985, 89, 3805-3814. [pdf]

"Ultraviolet Resonance Raman Spectrometry for Detection and Speciation of Trace Polycyclic Aromatic Hydrocarbons", S. A. Asher, Anal. Chem. 1984, 56, 720-724. [pdf]

"Some Important Considerations in the Selection of a Tunable UV Laser Excitation Source", S. A. Asher, Appl. Spectrosc. 1984, 38, 276-278. [pdf]

"Raman Spectroscopy of a Coal Liquid Shows that Fluorescence Interference is Minimized with Ultraviolet Excitation", S. A. Asher and C. R. Johnson, Science 1984, 225, 311-313. [pdf]

"UV Resonance Raman Spectroscopy of the Aromatic Amino Acids and Myoglobin", C. R. Johnson, M. Ludwig, S. O'Donnell, and S. A. Asher, J. Am. Chem. Soc. 1984, 106, 5008-5010. [pdf]

"A New Selective Technique for Characterization of Polycyclic Aromatic Hydrocarbons in Complex Samples: UV Resonance Raman Spectrometry of Coal Liquids", C. R. Johnson and S. A. Asher, Anal. Chem. 1984, 56, 2258-2261. [pdf]

"UV Resonance Raman Studies of Benzene Derivatives, Aromatic Amino Acids and Polycyclic Aromatic Hydrocarbons", S. A. Asher, C. R. Johnson, M. Ludwig and J. M. Dudik, Proceedings of the IX International Conference on Raman Spectroscopy, 1984, 430-431. [pdf]

"Development of a New Optical Wavelength Rejection Filter: Demonstration of Its Utility in Raman Spectroscopy", P.L. Flaugh, S.E. O'Donnell, and S.A. Asher, Applied Spectroscopy, 1984, 38, 847-850. [pdf]

"Metalloporphyrin Gas and Condensed-Phase Resonance Raman Studies: The Role of Vibrational Anharmonicities as Determinants of Raman Frequencies", S. A. Asher and J. Murtaugh, J. Am. Chem. Soc. 1983, 105, 7244-7251. [pdf]

"Development of a New UV Resonance Raman Spectrometer for the 217-400 nm Spectral Region", S. A. Asher, C. R. Johnson, and J. Murtaugh, Rev. Sci. Instr. 1983, 54, 1657-1662. [pdf]

"Dependence of Axial Ligand Force Constants Upon Globin Structure in Hemoglobin and Myoglobin: A Resonance Raman Study", S. A. Asher and T. M. Schuster, Hemoglobin and Oxygen Binding, Ed. Chien Ho, 1982, 51-61. [pdf]

"Laser Raman Studies of Protein Conformation in the Silkmoth Chorion", S. J. Hamodrakas, S. A. Asher, G. D. Mazur, J. C. Regier and F. C. Kafatos, Biochim. Biophys. Acta 1982, 703, 216-222 [pdf]

"Differences in Iron Fluoride Bonding Between the Isolated Subunits of Human Methemoglobin Fluoride and Sperm Whale Metmyoglobin Fluoride as Measured by Resonance Raman Spectroscopy", S. A. Asher and T. M. Schuster, Biochemistry 1981, 20, 1866-1873. [pdf]

"Raman and X Ray Studies of Single Crystals of Dipalmitoylphosphatidyl Choline", S. A. Asher, R. Stearns, T. Urabe, and P. S. Pershan, Mol. Cryst. Liq. Cryst. 1981, 63, 193-203. [pdf]

"Resonance Raman and Absorption Spectroscopic Detection of Distal Histidine Fluoride Interactions in Human Methemoglobin Fluoride and Sperm Whale Metmyoglobin Fluoride: Measurements of Distal Histidine Ionization Constants", S. A. Asher, M. L. Adams, and T. M. Schuster, Biochemistry 1981, 20, 3339-3346. [pdf]

"Resonance Raman Spectroscopy of Hemoglobin", S. A. Asher, Methods in Enzymology 1981, 76, 371-413. [pdf]

"Hydration of Single Crystals of Dipalmitoylphosphatidylcholine", T. Urabe, S. A. Asher, and P. S. Pershan, Proc. Natl. Acad. Sci. (USA) 1981, 78, 4941-4945. [pdf]

"Parabolic Focal Conics and Polygonal Textures in Lipid Liquid Crystals", S. A. Asher and P. S. Pershan, J. de Physique 1979, 40, 161-173. [pdf]

"Alignment and Defect Structures in Oriented Phosphatidylcholine Multilayers", S. A. Asher and P. S. Pershan, Biophys. J. 1979, 27, 393-422. [pdf]

"Resonance Raman Examination of Axial Ligand Bonding and Spin State Equilibria in Metmyoglobin Hydroxide and Other Heme Derivatives", S. A. Asher and T. M. Schuster, Biochemistry 1979, 18, 5377-5387. [pdf]

"Resonance Raman Spectra of Methemoglobin Derivatives. Selective Enhancement of Axial Ligand Vibrations and Lack of an Effect of Inositol Hexaphosphate", S. A. Asher, L. E. Vickery, T. M. Schuster, and K. Sauer, Biochemistry 1977, 16, 5849-5856. [pdf]

"Resonance Raman Spectroscopy of Mn(III) Etioporphyrin I at the * and Charge Transfer Bands: The Use of Charge Transfer Bands to Monitor the Complexation State of Metalloporphyrins", S. A. Asher and K. Sauer, J. Chem. Phys. 1976, 64, 4115-4125. [pdf]