THE KEIDERLING GROUP

TAK Group Presentations

TAK Group Presentations at Recent Scientific Meetings

We still go to meetings even if the web site gets out of date, presenter underlined

2015:

Biophysical Society, Baltimore, 2015

269.          Biophysical Society Meeting, Baltimore, Feb. 2015 DMSO Induced Breaking Up of Insulin Fibrils Monitored by Vibrational Circular Dichroism Ge Zhang, Viktoria Babenko, Wojciech Dzwolak and Timothy A. Keiderling (poster)

270.           Biophysical Society Meeting, Baltimore, Feb. 2015 Role of side-chains in forming peptide aggregates and fibrils. IR and VCD spectroscopic studies. Theory and experiment Heng Chi, Fernando Tobias, Jiri Kessler, Jan Kubelka, Petr Bour and Timothy A. Keiderling (poster)

Midwest Folding, Notre Dame, 2015

271.           Midwest Folding Meeting, Notre Dame, May 2015, Role of side-chains in forming peptide aggregates and fibrils. IR and VCD spectroscopic studies. Theory and experiment Heng Chi, Fernando Tobias, and Timothy A. Keiderling (poster)

272.           TRVS Madison, WI June 2015 - Modeling peptide vibrations with dynamic change in structure. Local and extended contributions, Timothy A. Keiderling, Jan Kubelka, Petr Bour, Yue Wei, Frank Vazquez (talk)

International Chiroptical Spectroscopy Conference, Sapporo, 2015

273.           Chiroptical Spectroscopy, Sapporo, Japan, Aug-Sept 2015, Modeling peptide IR, Raman and VCD with variation in structure.  Local and extended contributions, Timothy A. Keiderling, Jan Kubelka, Petr Bour, Yue Wei, Frank Vazquez (invited talk)

274.           Chiroptical Spectroscopy, Sapporo, Japan, Aug-Sept 2015, Role of Side-chains in Forming Peptide Aggregates and Fibrils. IR and VCD Spectroscopic Studies, Fernando Tobias, Heng Chi, and Timothy A. Keiderling (poster)

275.           Chiroptical Spectroscopy, Sapporo, Japan, Aug-Sept 2015, DMSO Induced Breaking Up of Insulin Fibrils Monitored by Vibrational Circular Dichroism , Ge Zhang, Viktoria Babenko, Wojciech Dzwolak and Timothy A. Keiderling (poster)

ECSBM, Bochum, 2015

276.           ECSBM, Bochum, Germany, Sept 2015 - Modeling peptide vibrations with dynamic change in structure. Local and extended contributions, Timothy A. Keiderling,1 Jan Kubelka,2 Petr Bour,3 Yue Wei,1 Frank Vazquez1

277.           ECSBM, Bochum, Germany, Sept 2015 - Role of Side-chains in Forming Peptide Aggregates and Fibrils. IR and VCD Spectroscopic Studies,  Fernando Tobias, Heng Chi, and Timothy A. Keiderling (poster)

 

Other 2015:

278.          TRVS Madison, WI June 2015 - Modeling peptide vibrations with dynamic change in structure. Local and extended contributions, Timothy A. Keiderling, Jan Kubelka, Petr Bour, Yue Wei, Frank Vazquez (talk)

 

279.           SciX (FACSS) Providence, RI, Oct 2015 - Role of Side-chains and Environmental Variation in Forming Peptide Aggregates and Fibrils. IR and VCD Spectroscopic Studies, Fernando Tobias, Ge Zhang, Heng Chi, and Timothy A. Keiderling (talk)

2014:

Biophysical Society, San Francisco, 2014

280.           Biophysical Society Meeting, San Francisco, Feb. 2014, Interaction of b-sheets to form aggregates and fibrils. Theoretical and experimental spectroscopic studies of peptide ir and vcd spectra, Heng Chi, William R. W. Welch, Jiri Kessler, Jan Kubelka, Petr Bour and Timothy A. Keiderling (poster)

281.           Biophysical Society Meeting, San Francisco, Feb. 2014, Time-resolved temperature-jump ir-measurements on b-hairpin peptides with alternate cross-strand interactions, Alexander Popp, Ling Wu, Timothy A. Keiderling, Karin Hauser  (poster)

Midwest Folding, Notre Dame, 2014

282.           Midwest Folding Meeting, Notre Dame, May 2014, Secondary structure studies of rationally designed decapeptides with vibrational spectroscopy, Fernando Tobias and Timothy A. Keiderling (poster)

283.           Midwest Folding Meeting, Notre Dame, May 2014, Equilibrium and Dynamic Spectroscopic Studies of the Interaction of Monomeric β-Lactoglobulin with Lipid Vesicles at Low pH. Ge Zhang, T. A. Keiderling (Zhang-talk)

ICORS, Jena, 2014

 

284.           ICORS, Jena Aug 2014, Simulation of vibrational spectra for peptide b-sheets and fibrils with isotopic labels using DFT-level methods, Jan Kubelka, William R. W. Welch, Timothy A. Keiderling (talk)

285.           ICORS, Jena Aug 2014, Optical trapping and Raman spectrometry of single cells, Anjan Roy, Yang Cui, T. A. Keiderling (poster)

286.           ICORS, Jena Aug 2014, Pro interconversion with ROA, Vaclav Profant, Petr Bour, T. A. Keiderling, Vladimir Baumruk (poster)

 

Other 2014:

287.          VOA Meeting, Hebei University, Baoding, Oct. 2014, Peptide conformational studies with VCD.  Progression from simple to complex systems enhanced by site-specific isotopic labeling, Tim Keiderling (talk)

2013:

Biophysical Society, Philadelphia, 2013

288.           Biophysical Society Meeting, Philadelphia, Feb. 2013, DFT level calculations of IR, VCD and Raman spectra for 13C-labeled β-sheets. William R. W. Welch, Timothy A. Keiderling, Jan Kubelka, (poster)

289.           Biophysical Society Meeting, Philadelphia, Feb. 2013, Aggregation and fibril formation in oligo-Glu. Use of isotope edited vibrational spectra to assign structure, Heng Chi, William R. Welch, Jan Kubelka, Timothy A. Keiderling (poster)

International Chiroptical Spectroscopy Conference, Nashville, 2013

 

290.           CD Conference Nashville, June, 2013, Giving chiroptical spectra site-specific character for increasingly complex systems. A complementary role for isotopic labeling in studies of peptide aggregation and fibril formation, Timothy A. Keiderling,1 Heng Chi, William R. W. Welch, Jan Kubelka, Ge Zhang, Wojciech Dzwolak (invited talk)

291.           Joint British and German Biophysical Society Meeting, Molecular Biophysics, Huenfeld, Mar. 2013, Aggregation and fibril formation in peptides and proteins. Structural studies using vibrational spectra with isotope editing Heng Chi, William R. Welch, Jan Kubelka, Timothy A. Keiderling (invited talk)

292.           Joint British and German Biophysical Society Meeting, Molecular Biophysics, Huenfeld, Mar. 2013, Time-resolved temperature-jump IR measurements on the impact of aromatic interactions in Trpzip2-b-hairpin variants Alexander Popp, Ling Wu, Timothy A. Keiderling, Karin Hauser (poster)

ICAVS, Kobe 2013

293.          ICAVS Kobe, Japan, August 2013, Time-resolved Temperature-jump IR Measurements on Trpzip2-b-hairpin Variants with Alternate Aromatic Interactions Alexander Popp, Ling Wu, Timothy A. Keiderling, Karin Hauser (talk)

294.           ICAVS Kobe, Japan, August 2013, Modelling Aggregation and Fibril Formation in Peptides and Proteins.   IR, Raman and VCD Studies using Isotope Editing and DFT-based Spectral Simulations, Timothy A. Keiderling, Heng Chi, William R. Welch, Jan Kubelka, Ge Zhang (invited talk)

 

Other 2013:

295.          Memorial symposium in honor of Philip J. Stephens, Chiroptical Spectroscopy in Structural Chemistry and Biology, Theory and Experiment.  USC,Los Angeles, Mar, 2013, Tim Keiderling, "From Small Peptides to Complex Bio-Systems, Contributions of Vibrational Circular Dichroism to Conformational Studies" (invited talk)

 

2012:

Biophysical Society, San Diego, 2012

296.           Biophysical Society Meeting, San Diego, Feb. 2012, Peptides - beta-sheet folding from hairpins to aggregates, Timothy A. Keiderling, Heng Chi, Dan McElheny. (poster)

 

Other 2012:

297.           CECAM, Vibrational Optical Activity meeting, Pisa, Sept. 2012, From CD measurements, Zeeman effects, chiral molecules to biopolymers, solvation and complex systems. Influences of Philip Stephens leading to experimental and theoretical studies of site-specific interactions in peptides and proteins Timothy Keiderling (invited talk)

2011:

Midwest Folding, Notre Dame, 2011

298.           Midwest Folding Meeting, Notre Dame, May 2011, Spectroscopic Studies of Beta-Lactoglobulin with Model Membrane Vesicles, Ge Zhang, Ahmed Lakhani and Tim Keiderling (poster)

299.           Midwest Folding Meeting, Notre Dame, May 2011, Spectroscopic studies of β sheet based peptides and their aggregation property, Heng Chi, Timothy A. Keiderling (poster)

300.           Midwest Folding Meeting, Notre Dame, May 2011, Enhancement of Vibrational Circular Dichroism in Spiral Superstructures of Amyloid-Like Fibrils of Polyglutamic Acid. Aleksandra Fulara a, Ahmed Lakhani, Sławomir Wójcik, Hanna Nieznańska, Timothy A. Keiderling, Wojciech Dzwolak (poster)

301.           Midwest Folding Meeting, Notre Dame, May 2011, The effects of micelles and vesicles on the structure of reduced lysozyme. Weiying Zhu, Timothy Keiderling(poster)

302.           Midwest Folding Meeting, Notre Dame, May 2011, Role of different β-turns in β-hairpin conformation and stability studied by optical spectroscopy, Ling Wu, Dan McElheny, Vladimír Setnicka, Jovencio Hilario and Timothy A. Keiderling(poster)

ECSBM, Coimbra, 2011

303.           ECSBM Coimbra, Portugal, Aug 2011, Peptides – local and global structure and stability studies with vibrational spectra. Helices, hairpins and aggregates Timothy A. Keiderling1*, Ling Wu, Heng Chi, Dan McElheny, Ahmed Lakhani (invited talk)

304.           ECSBM Coimbra, Portugal, Aug. 2011. b-sheets: hairpins and designed oligomers to aggregates and fibrils, spectroscopic stability and structure studies Ling Wu, Heng Chi, Dan McElheny, Timothy A. Keiderling (poster)

2010:

Biophysical Society, San Francisco, 2010

305.          Experimental and Theoretical Spectroscopic Study of 310 helical Peptides using Isotopic Labeling   Ahmed Lakhani, Anjan Roy, Marcelo Nakaema, Claudio Toniolo and Timothy A. Keiderling, Biophysical Society Meeting, SanFrancisco, Feb, 2010 (poster)

306.           Conformational characterization of ProII helices with isotope substitution. Heng Chi, Ahmed Lakhani, Anajn Roy, T. A. Keiderling, Biophysical Society Meeting, SanFrancisco, Feb, 2010 (poster)

307.          Optical Trapping Raman Spectroscopy of Protein and Membrane Interaction. Anjan Roy, Marcelo Nakaema and Timothy A. Keiderling, Biophysical Society Meeting, SanFrancisco, Feb, 2010 (poster)

308.          Inter-residue Coupling of  Model PPII Helices Using 13C Isotopic Labeling, Heng Chi, Ahmed Lakhani, Anjan Roy, Timothy A. Keiderling Biophysical Society Meeting, SanFrancisco, Feb, 2010 (poster)

309.          Geometry and Efficacy of Trp-Trp, Trp-Tyr and Tyr-Tyr Aromatic Interaction in Cross-Strand Positions of a Designed b-hairpin, Ling Wu, Dan McElheny and Timothy A. Keiderling Biophysical Society Meeting, SanFrancisco, Feb, 2010 (poster)

ICORS, Boston 2010

310.          Novel Analyte Capture Method for SERS Biodetection, Yu-jen Lin, Martin Tibudan, Yiming Huang, Marcelo Nakaema, Vimal Swarup, Sandra Bishnoi, Timothy A. Keiderling, ICORS Meeting, Boston, Aug. 2010 (poster Bishnoi)

311.          Optical Trapping Raman Spectroscopy of Protein and Membrane Interaction. Anjan Roy, Marcelo Nakaema and Timothy A. Keiderling ICORS Meeting, Boston, Aug. 2010 (poster Roy)

312.           Inter-residue Coupling of Model PPII Helices Using 13C Isotopic Labeling Investigated by Vibrational Spectroscopy Heng Chi, Ahmed Lakhani, Anjan Roy, Marcelo Nakaema and Timothy A. Keiderling ICORS Meeting, Boston, Aug. 2010 (poster Keiderling/Nakaema)

313.           Raman Scattering Investigation of 310 Helical Peptides Using Isotopic Labeling, Ahmed Lakhani, Anjan Roy, Marcelo Nakaema, Matteo di Poli, Fernando Formaggio ,Claudio Toniolo and Timothy A. Keiderling, ICORS Meeting, Boston, Aug. 2010 (poster)

 

Midwest Folding, Notre Dame, 2010

279. Geometry and Efficacy of Trp-Trp, Trp-Tyr and Tyr-Tyr Aromatic Interaction in Cross-Strand Positions of a Designed b-hairpin, Ling Wu, Dan McElheny and Timothy A. Keiderling, Midwest Folding Conf., Notre Dame, April 2010 (poster Wu)

280. Experimental and Theoretical Spectroscopic Study of 310 helical Peptides using Isotopic Labeling, Ahmed Lakhani1, Anjan Roy1, Marcelo Nakaema1, Matteo di Poli2, Fernando Formaggio2, Claudio Toniolo2 and Timothy A. Keiderling1 Midwest Folding Conf., Notre Dame, April 2010 (poster Lakhani)

281. Spectroscopic Studies of Beta-lactoglobulin with Model Membrane Vesicles, Ning Ge, Ge Zhang and Timothy A. Keiderling, Midwest Folding Conf., Notre Dame, April 2010 (poster Zhang)

282. Inter-residue Coupling of Model PPII Helices Using 13C Isotopic Labeling, Heng Chi, Ahmed Lakhani, Anjan Roy, Marcelo Nakaema, Timothy A. Keiderling* Midwest Folding Conf., Notre Dame, April 2010 (poster Chi)

 

Other 2010:

314.           Peptide folding dynamics studied by temperature-jump infrared-spectroscopy and different isotopic substitution methods, K. Hauser, C. Krejtschi, O. Ridderbusch, R. Huang, T. A. Keiderling German Biophysical Soc. Meeting, Bochum, Sept. 2010 (poster Hauser)

315.          Turn stability of a b-hairpin peptide studied by infrared spectroscopy, Alexander Popp*, Ling Wu#, Timothy A. Keiderling#, Karin Hauser* German Biophysical Soc. Meeting, Bochum, Sept. 2010 (poster Popp)

 

316.           Experimental and Theoretical Spectroscopic Study of 310 helical Peptides using Isotopic Labeling, Ahmed Lakhani, Anjan Roy, Marcelo Nakaema, Matteo di Poli, Fernando Formaggio, Claudio Toniolo and Timothy A. Keiderling, European Peptide Conference, 2010

 

2009:

FACSS Meeting, Louisville, 2009

273. Comparison of vibrational circular dichroism (vcd) instruments for amide I' and II' measurement in selected model polypetides and proteins. Ahmed Lakhani and Timothy A. Keiderling, Federation of Analytical Chemistry and Spectroscopy societies (FACSS) national meeting Oct. 2009, Louisville (poster-Lakhani)

274. Geometry and Efficacy of Trp-Trp and Tyr-Tyr Aromatic Interaction in Cross-Strand Positions of a Designed beta-hairpin, Ling Wu, Dan McElheny, Tim Keidelring Federation of Analytical Chemistry and Spectroscopy societies (FACSS) national meeting Oct. 2009, Louisville (poster-Wu)

275. Spectroscopic Studies of Beta-Lactoglobulin with Model Membrane Vesicles, Ge Zhang , Ning Ge, T. A. Keiderling Federation of Analytical Chemistry and Spectroscopy societies (FACSS) national meeting Oct. 2009, Louisville (poster-Zhang)

ECSBM, Palermo, 2009

267. Equilibrium spectroscopic studies of aromatic-aromatic interaction and pH effect on trpzip b-hairpin stability, Ling Wu, Takahiro Takekiyo, Dan McElheny, Anjan Roy, Timothy A. Keiderling, ECSBM conference, Palermo, IT, Aug 2009 (talk – Keiderling)

268. Folding dynamics of peptides studied by temperature-jump infrared-spectroscopy C. Krejtschi, O. Ridderbusch, R. Huang, L. Wu, T. A. Keiderling, K. Hauser,  ECSBM conference, Palermo, IT, Aug 2009 (talk—Hauser)

269. Kinetic and Thermodynamic Spectroscopic Studies of Beta-Lactoglobulin Interaction with Model Membrane Vesicles, Ning Ge, Ge Zhang, Xiuqi Zhang and Timothy A. Keiderling, ECSBM conference, Palermo, IT, Aug 2009  (poster)

 

International CD and Biological Chirality Conference, Brescia, 2009

270. Equilibrium Spectroscopic Studies of Aromatic-Aromatic Interaction and pH Effect on Trpzip b-Hairpin Stability, Ling Wu, Takahiro Takekiyo, Dan McElheny, Anjan Roy, Timothy A. Keiderling, Int. CD Conf. Bresica, IT, Sept. 2009 (poster)

271. Kinetic and Thermodynamic Spectroscopic Studies of Beta-Lactoglobulin Interaction with Model Membrane Vesicles, Ning Ge, Ge Zhang, Xiuqi Zhang and Timothy A. Keiderling, Int. CD Conf. Bresica, IT, Sept. 2009 (poster)

 

53rd Biophysical Society Annual Meeting, Mar, 2009 at Boston, MA

 

261. Site-Specific Folding Dynamics of Isotopically Labeled Peptides Studied by Time-Resolved Infrared-Spectroscopy  C. Krejtschi, L. Wu, R. Huang, K. Hauser, T. A. Keiderling, (poster)

262. Spectroscopic Studies of Beta-Lactoglobulin with Model Membrane Vesicles, Ning Ge, Timothy A. Keiderling, (poster)

263. Mechanism of peptide structure stabilization: A study of aromatic-aromatic interaction and pH effect on a b-hairpin stability , Ling Wu, Takahiro Takekiyo, Dan McElheny and Timothy A. Keiderling, (poster)

 

Other 2009 Meetings

264.  "Site-specific folding dynamics of peptides studied by temperature-jump infrared-spectroscopy," C. Krejtschi, O. Ridderbusch, R. Huang, L. Wu, T. A. Keiderling, K. Hauser  14th TVRS Meeting, May 2009, Boston

265. Spectroscopic Studies of Beta-Lactoglobulin with Model Membrane Vesicles, Ning Ge, Timothy A. Keiderling, SAS Chicago Section Poster Meeting, Chicago (UIC), April, 2009 (poster)

266. Mechanism of peptide structure stabilization: A study of aromatic-aromatic interaction and pH effect on a b-hairpin stability , Ling Wu, Takahiro Takekiyo, Dan McElheny and Timothy A. Keiderling, SAS Chicago Section Poster Meeting, Chicago (UIC), April, 2009 (poster)

272. Site-specific folding dynamics of peptides studied by time-resolved infrared spectroscopy  C. Krejtschi, O. Ridderbusch, R. Huang, L. Wu, T. A. Keiderling, K. Hauser, EBSA (Euorpean Biophysics Conference) – July 2009, Genoa, IT (poster)

 

 

 

 2008:

63rd Molecular Spectroscopy Conference, Ohio State, Columbus,  June 2008

256.  Side Chain Effect on IR Spectra of Heterogeneous Peptide Sequence.  Theoretical Investigation of a Series of Tripeptides (A-X-A). Ahmed Lakhani,  George A. Papadantonakis and Timothy A. Keiderling, (talk-Lakhani)

256. Low Temperature-induced Conformational Change of Model Comounds, Takahiro Takekiyo, T.A.Keiderling, Yukihiro Yoshimura, (talk-Takekiyo)

257. "Site-specific conformational studies of selectively isotopic labeled peptides using Raman and IR spectra", Anjan Roy, T. A. Keiderling, (talk-Roy)

ICORS, London, August 2008

 

258. "Site-specific conformational studies of selectively isotopic labeled peptides using Raman and IR spectra", Anjan Roy, T. A. Keiderling, (poster-prep Roy)

259. "SERS-based Biosensors using Gold Nanoparticles" Zhenjia Wang, Martin Tibudan, T. A. Keiderling, (talk)

4th Midwest Protein Folding Meeting, May, 2008 at Notre Dame, South Bend, IN

 

253. Spectroscopic Kinetic and Thermodynamic Studies of Beta-Lactoglobulin with Model Membrane Vesicles,  Ning Ge, Timothy A. Keiderling,  (poster)

254.  Relationship between the Hydrophobic Interaction and Secondary Structure for the beta-Hairpin Stability of Trpzip Peptides, Takahiro Takekiyo, Ling Wu, Yukihiro Yoshimura, Akio Shimizu, and Timothy A. Keiderling, (poster)

255. “Conformational Study of Different Beta-turns Coupled to a Cyclic Disulfide Bond to Model the Turn Roles in β-hairpin Stability” Ling Wu, Dan McElheny, Ahmed Lakhani, Timothy A. Keiderling,  (poster)

52nd Biophysical Society Annual Meeting, Feb, 2008 at Long Beach, CA

 

247. Spectroscopic Kinetic and Thermodynamic Studies of Beta-Lactoglobulin with Model Membrane Vesicles, Ning Ge, Timothy A. Keiderling, (poster)

248.  “Conformational Study of Different Beta-turns Coupled to a Cyclic Disulfide Bond to Model the Turn Roles in β-hairpin Stability” Ling Wu, Dan McElheny, Ahmed Lakhani, Timothy A. Keiderling, (poster)

249. Trpzip-Based Beta-Hairpin Equilibrium and Temperature Jump IR Studies Enhanced by Site-Specific Isotope Labeling, T. A. Keiderling, R. Huang, K. Hauser, C. Krejtschi, (talk--TAK)

 

Other 2008 Meetings

 

260. "Site-specific conformational studies of selectively isotopic labeled peptides using Raman and IR spectra", Anjan Roy, T. A. Keiderling, International conference on Vibrational Optical Activity, Aug. 2008, Manchester (poster-prep Roy)

 

250. Spectroscopic Kinetic and Thermodynamic Studies of Beta-Lactoglobulin with Model Membrane Vesicles, Ning Ge, Timothy A. Keiderling, Society for Applied Spectroscopy Chicago Meeting-Student Poster Night, Mar 2008, Northwestern University (poster)

251. “Conformational Study of Different Beta-turns Coupled to a Cyclic Disulfide Bond to Model the Turn Roles in β-hairpin Stability” Ling Wu, Dan McElheny, Ahmed Lakhani, Timothy A. Keiderling Society for Applied Spectroscopy Chicago Meeting-Student Poster Night, Mar 2008, Northwestern University (poster)

252. Comparison of Vibrational Circular Dichroism (VCD) Instruments.  Development of a New Dispersive VCD. Ahmed Lakhani, Peter Malon, and Timothy A. Keiderling, Society for Applied Spectroscopy Chicago Meeting-Student Poster Night, Mar 2008, Northwestern University (poster)

 

 2007:

ECSBM, Sept. 2007 , Paris

 

241. Conformational stability and dynamics of biomolecules studied by IR-spectroscopy K. Hauser, C. Krejtschi, T. A. Keiderling‚ and R. Huang, ,(talk by Hauser)

242. Interaction and Stabilities of Beta-Lactoglobulin with Membrane Studied by Spectroscopy. Xiuqi Zhang, Ning Ge and Timothy A. Keiderling,(poster prep-Ge)

243. “Role of hydrophobic interactions and turn stability in beta-hairpin conformation studied by optical spectroscopy” Rong Huang, Ling Wu, Timothy A. Keiderling,(poster prep-Wu)

 

CD Meeting, Groningen, Sept. 2007

 

244. Interaction and Stabilities of Beta-Lactoglobulin with Model Membrane Vesicles Studied by CD and Other Spectroscopies  Xiuqi Zhang, Ning Ge, Timothy A. Keiderling, (poster)

245. “Role of hydrophobic interactions and turn stability in beta-hairpin conformation studied by optical spectroscopy” Rong Huang, Ling Wu, Timothy A. Keiderling ,(poster)

3rd Midwest Protein Folding Meeting, May, 2007 at Notre Dame, South Bend, IN

236. Interaction and Stabilities of Beta-Lactoglobulin with Model Membrane Vesicles Studied by Optical Spectroscopies   Xiuqi Zhang, Ning Ge, Timothy A. Keiderling (poster)

237. “Role of hydrophobic interactions and turn stability in beta-hairpin conformation studied by optical spectroscopy” Rong Huang, Ling Wu, Timothy A. Keiderling (poster)

238. Thermal unfolding of a beta hairpin model studied with IR spectra enhanced by site specific isotope labeling, Rong Huang, Carsten Krejtschi, Karin Hauser, Timothy A. Keiderling  (talk-Huang)

51st Biophysical Society Annual Meeting, Feb, 2007 at Baltimore, MD

233.  Interaction and Stabilities of Beta-Lactoglobulin with Model Membrane Vesicles Studied by Optical Spectroscopies  Xiuqi Zhang, Ning Ge, Timothy A. Keiderling  (poster)

234. “Role of hydrophobic interactions and turn stability in beta-hairpin conformation studied by optical spectroscopy” Rong Huang, Ling Wu, Timothy A. Keiderling  (poster)

235. Thermal unfolding of a beta hairpin studied with IR spectra enhanced by site-specific isotope labeling, Rong Huang, Carsten Krejtschi, Karen Hauser, Joohyun Kim, Timothy A. Keiderling  (poster)

Other 2007 Meetings

 

246.  Comparison of Vibrational Circular Dichroism (VCD) Instruments.  Development of a New Dispersive VCD.  * Ahmed Lakhani, Peter Malon, and Timothy A. Keiderling, Federation of Analytical Chemistry and Spectroscopy societies (FACSS) national meeting Oct. 2007, Memphis (talk-Lakhani)

 

239. Role of hydrophobic interactions and turn stability in b-hairpin conformation studied by Equilibrium and dynamic (T-jump) IR-Spectroscopy of isotopically labeled b-hairpin peptides , Rong Huang1, Ling Wu1, Joohyun Kim1, Karin Hauser2, Carsten Krejtschi2 and Timothy A. Keiderling1 ICAVS 2007, Corfu, one talk/poster

 

240. ONIOM-guided Density Functional Theory (DFT) Spectral Parameter Transfer Method: An Efficient Parallel Strategy for Simulating (Isotope-edited) Amide I IR Spectra of Sizable Peptides and Proteins   
 Joohyun Kim, Ahmed Lakhani, Petr Bour, and Timothy A. Keiderling Midwest Theoretical Chemistry Conf. June, 2007, Indianapolis, IN (poster)

 

236. Conformational stability and dynamics of biomolecules studied by IR-spectroscopy K. Hauser, C. Krejtschi, T. A. Keiderling‚ and R. Huang, ACS National Meeting, Chicago, IL April 2007, (talk, Hauser)

 

 2006:

2nd Midwest Protein Folding Meeting, May, 2006 at Notre Dame, South Bend, IN

 

230. Interaction and Stabilities of Beta-Lactoglobulin with Model Membrane Vesicles Studied by Optical Spectroscopies  Xiuqi Zhang, Ning Ge, Timothy A. Keiderling (talk-Zhang)

231. “Isotope-Edited IR Spectroscopy of Beta-Hairpin Peptides”, Rong Huang, V. Setnicka, C. L. Thomas, M. A. Etienne, R. P. Hammer, T. A. Keiderling, (poster).

232. Conformational States and Thermodynamics of Alpha-Lactalbumin: A Model Study using Spectroscopy  Ning Ge, Xiuqi Zhang and Timothy A. Keiderling (poster)

 

50th Biophysical Society Annual Meeting, Feb, 2006, Salt Lake City, UT

224. “Theoretical Study of b-Hairpin Peptides Stabilized by Aib-Gly Turn Sequence: Molecular Dynamics Simulation and Simulation of Vibrational Spectra”, Joohyun Kim, T. A. Keiderling, (poster).

225. “Comparison of the interaction, structure induction, orientation and membrane perturbation of β-lactoglobulin with phospholipid vesicles”, Xiuqi Zhang and T. A. Keiderling, (poster).

226. “Approximation Effects in Modelling Peptide Vibrational Spectra “, Timothy A. Keiderling, Petr Bour, Joohyun Kim, (poster).

227. “Isotope-Edited IR Spectroscopy of Beta-Hairpin Peptides”, Rong Huang, V. Setnicka, C. L. Thomas, M. A. Etienne, R. P. Hammer, T. A. Keiderling, (poster).

 

Other 2006 Meeting

 

 

228. Peptide folding dynamics studied by laser-induced T-jump IR-Spectroscopy. C. Krejtschi, Timothy A. Keiderling and K. Hauser, Vibrational Gordon Conference, Maine, July 2006.

229. Folding dynamics of b-hairpin peptides studied by laser-induced T-jump IR-Spectroscopy, Carsten Krejtschi, Rong Huang, Timothy A. Keiderling, Karin Hauser Deutsche Biophysiktagung in Mainz September2006

232a. Conformational States and Thermodynamics of Alpha-Lactalbumin: A Model Study using Spectroscopy  Ning Ge, Xiuqi Zhang and Timothy A. Keiderling, SAS Student Poster Competition (Chicago, Feb 2006) (poster)

 

 2005:

ECSBM 2005, Aschaffenburg, Germany

 

222. Simulation of IR and VCD spectra of peptides. effect of approximation methods, T. A. Keiderling, Petr Bour,   and Joohyun Kim  (poster)

 

223. “b-hairpin peptides with isotopic labeling. Theoretical and experimental IR results” T. A. Keiderling,  Rong Huang, V. Setnicka, R, P. Hammer, M. A. Etienne, C. Thomas, Jan Kubleka, and Petr Bour, Germany (talk)

ICAVS, Delavan WI 2005

219. b-hairpin peptides with isotopic labeling. Theoretical and experimental IR results T. A. Keiderling,  Rong Huang, Vladimir Setnicka, Robert P. Hammer, Marcus Etienne, Catherine Thomas, Jan Kubleka, and Petr Bour  (invited talk)

 

220. Simulation of IR and VCD spectra of peptides. effect of approximation methods,  Petr Bour, T. A. Keiderling  and Joohyun Kim  (poster)

 

221. Theoretical Simulation of IR VCD for b-Hairpin Peptides Stabilized By Aib-Gly Turn Sequence,  Joohyun Kim   and T. A. Keiderling (poster)

49th Biophysical Society Annual Meeting, Feb, 2005 at Long Beach, CA

215. Conformational and Thermal Stability Studies of Tryptophan-Zipper Style b-Hairpin Peptides, V. Setnicka, J. Hilario, T. A. Keiderling, (poster).

 

216. Vibrational spectral study of site-specific 13C labeled model b-hairpin peptides, Rong Huang, Vladimir Setnicka, R. P. Hammer, T. A. Keiderling, (poster).

 

217. Equilibrium and Kinetics Study on Ionic Surfactants-induced Stabilization of a–Helical Structure of b-Lactoglobulin, Xiuqi Zhang and Timothy A. Keiderling* , (poster)

2004:

48th Biophysical Society Annual Meeting, Feb, 2004 at Baltimore, MD

214. Conformational Study of Concanavalin A as Affected by Trifluoroethanol, Qi Xu, T. A. Keiderling, (poster).

 

Other 2004 Meeting

 

 

213. a,a-Dialkylated b-hairpin peptides: Design, synthesis, and conformational analysis, Catherine L. Thomas, M. A. Etienne, Jia Wang, Vladimir Setnicka, T. A.Keiderling, and R. P. Hammer. ACS National Meeting, April 2004, and American Peptide Symposium, San Diego, July 2004 (poster)

 2003:

47th Biophysical Society Annual Meeting, Feb, 2003 at San Antonio, TX

Insights into vibrational coupling and peptide structure by exploiting isotope labeling effects T. A. Keiderling,1 R. Huang,1 J. Kubleka,1 J. Hilario,1 R. A. G. D. Silva,2 W. Barber-Armstrong,2 S. M. Decatur2, Petr Bour3, (talk)

A folding study of cytochrome-c with thermal and stopped flow spectrsocopy,  Qi Xu, T. A. Keiderling (poster)

Vibrational circular dichroism and infrared spectroscopic study of helical peptides. The effect of isotopic labeling on the bandshape and frequency shift. Rong Huang, W. Barber-Armstrong, R. A. G. D. Silva, S. M. Decatur, T. A. Keiderling , (poster)

WW Domain Cooperativity Depends on Tertiary Interaction with Random Coil Tails., J. Hilario and T. A. Keiderling, (poster)


 30th FACSS Meeting, Ft. Lauderdale FL, Oct. 2003

 

212. Optical Spectroscopy Analysis of Cytochrome c Conformations: Impact of Sodium Dodecyl Sulfate, Qi Xu and T. A. Keiderling (poster--won SAS Student Award).

 

 2002:

Gordon conference on vibrational spectroscopy and molecular dynamics, Newport RI, July  2002

 

210. 'What can 13C isotopically  labeled IR spectroscopy tell us about beta-sheets?', Jan Kubelka and T. A. Keiderling: (talk by JK).

 

211. 'Ab initio based simulations of   IR and VCD spectra for helical peptides. Effect of solvation and  alpha-methylation.', Jan Kubelka and T. A. Keiderling: (poster).

 

 Peptides Gordon Conference, Ventura CA, Feb 2002

 J. Kubelka, J. Hilario, R. A. G. D. Silva and T. A. Keiderling, (poster)
Theoretical Simulation of Vibrational Spectra for Peptides in Various Helical and Beta-Sheet Conformations. Comparison to Experiment Demonstrates Site Specific Resolution with Isotopic Substitution,

46th Biophysical Society Annual Meeting, Feb, 2002, San Francisco, CA

Jan Kubelka, T. A. Keiderling
Recent Developments in Computational Simulation of Peptide IR and VCD Spectra, (lecture)

Jan Kubelka, R. A. G. D. Silva, T. A. Keiderling
The effect of alpha methylation on the VCD of peptide 3-10 helices, (poster)

Joe Hilario, Jan Kubelka, T. A. Keiderling
Model beta-sheet peptide systems, spectra and stability studies, , (poster)

2001:

ICAVS, Turku, Finland, Aug. 2001

D. Drapcho, J. Hilario, T. A. Keiderling, J. Wilson, R. Crocomb, M. Boerger,
"Digital Signal Processing in Infra-Red Polarization Modulation Experiments III: Vibrational Circular Dichroism Measurements of Chiral Compounds (poster)

9th European Conference on the Spectroscopy of Biological Molecules, ECSBM, Prague, Czech Republic, Sept. 2001

J. Kubelka, and T. A. Keiderling.
Simulation of Vibrational Spectra for Peptides in Various -Sheet Conformations (poster)

J. Hilario, J. Kubelka and T. A. Keiderling,
Spectroscopic Characterization of Selected Beta-Sheet Hairpins and Three-Stranded Beta-Sheet Models. (oral presentation)

 

Proteins Gordon Conf, Holderness School, June 2001

Tim Keiderling, Jan Kubleka, Joe Hilario
Folding studies of beta sheet motifs with vibrational spectrsocopy and site specific isotopic labeling, (poster)

 

45th Biophysical Society Annual Meeting 2000 February, 2001 at Boston, MA

Timothy A. Keiderling, Jan Kubelka, R. A. G. D. Silva, Petr Bour and Sean M. Decatur
Vibrational Chirality in Peptides. Ab Initio Computational Studies of Length, Solvation, Hydrogen Bond, Dipole Coupling and Isotope Effects (poster)

Jan Kubelka and Timothy A. Keiderling
Ab Initio simulation of infrared and Vibrational circular dichroism spectra of peptide b -sheets and b-hairpins (Poster)

Jovencio Hilario and Timothy A. Keiderling
Spectroscopic characterization of selected three-stranded beta sheet peptides (WW domain and Betanova), , (poster)

Simona Stelea, T. A. Keiderling,
A Comparative Spectroscopic Study of the Thermal Denaturation of Ribonuclease S And S Protein (poster)

 

36th Symposium For Theoretical Chemistry Quantum Mechanics And Quantum Effects In Systems Of Increasing Complexity, September 2000, Litschau, Lower Austria

Petr Bour, V. Baumruk, J. Kubelka, T. A. Keiderling
Simulations of vibrational optical activity - (poster)

 

219th ACS National Meeting   March 26-30, 2000 - San Francisco, CA

1. Keiderling TA, Bour, P., Kubelka, J., Silva, R. A. G. D. and Decatur, S. M.

    Site-specific conformational chirality in peptides as studied with vibrational circular dichroism using isotopic labeling

2000:

2nd Society for Applied Spectroscopy- Chicago Section Poster Session

March 21, 2000 at Elmhurst, IL

1. Kubelka, J., Silva, R. A. G. D., Decatur, S. M. and Keiderling TA

    Isotopically-edited vibrational spectroscopy: FTIR and VCD study of thermal denaturation of alanine-rich peptides

44th Biophysical Society Annual Meeting 2000

February 12 - 16, 2000 at New Orleans, LA

1. Baello BI, Pancoska P, Keiderling TA

    Protein hydrogen-deuterium exchange spectroscopy and tertiary structure: Measurement and prediction

2. Bour P, Kubelka J, Keiderling TA

    Theoretical analysis of vibrational spectra of isotopically labeled oligopeptides.

3. Hilario J, Keiderling TA

    Examining the role of disulfide bonds to the structural stability of beta-Lactoglobulin

11999:

3th Symposium of the Protein Society

July 24 - 28, 1999 at Boston, MA

1. Baello, B. I., Pancoska, P. and Keiderling, T. A.

   Protein secondary structure and hydrogen exchange FTIR spectroscopy

16th American Peptide Symposium

June 26 - July 1, 1999 at Minneapolis, MN


 

1. Silva, R. A.G. D., Decatur, S. M. and Keiderling, T. A. 

    Conformational Studies of Peptides Taken From Hairpin Sequences in the Human Chorionic Gonadotropin (hCG) b Subunit With Optical Spectroscopy

2. Keiderling, T. A. 

    Thermal Unfolding of Helical Alanine Containing Peptides. Isotopic Labelling Yields Site-Specific Conformations With VCD

 

43rd Biophysical Society Annual Meeting 1999

February 13 - 17, 1999 at Baltimore, MD

1. Hilario, J. D. and Keiderling, T. A.

    Unfolding studies of beta-lactoglobulin with various denaturants. Examining the beta -- alpha transition

2. Keiderling, T. A., Silva, R. A. G. D. and Decatur, S.

    Site-specific conformational analysis of peptides using vibrational circular dichroism of isotopically labeled molecules

3. Baello, B. I., Pancoska, P. and Keiderling, T. A.

    Enhanced protein secondary structure prediction accuracy using hydrogen exchange FTIR spectroscopy

4. Stelea, S., Pancoska, P. and Keiderling, T. A.

    Thermal unfolding of Ribonuclease A at neutral pH: Deviations from the two-state model

5. Kubelka, J., Pancoska, P. and Keiderling, T. A.

    Relationship between protein structure and optical spectra by novel modification of generalized 2D correlation spectroscopy