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  CHOCOLATE TALKS  
     
 

Spring 1999 - Summer 2004:

2004 | 2003 | 2002 | 2001 | 2000 | 1999

2004

January 21: Yong Sok Lee "Dynamics of Proton Transfer in Bacteriorhodopsin"
January 28: Victoria Soghomonian "Experimental studies of current-voltage characteristics on DNA molecules"
February 4: Vanik E. Mkrtchian "A New Approach in Theoretical and Mathematical Physics Based on Einstein Covariance Principle"
February 20: Dennis H. Kim "Effect of the Synthetic Antimicrobial Peptide KLAI on the Mechanical Stability of Giant Vesicles: A Micromanipulation"
February 23: Dr. Guillaume Brotons "Structure and Fluctuations of Highly Oriented and Charged Membranes Under Osmotic Stress"
February 25: Beate Kloesgen "Water Depletion at a Hydrophobic Interface"
March 3: Ivan Polozov "Novel NMR Approaches to Studies of Membrane Domains and Lipid Diffusion"
March 31: Boaz Nadler "Ionic Diffusion Through Open Protein Channels: From Langevin Equations to Partial Differential Equations"
April 7: Dean A. Myles "New Opportunities for Neutron Structural and Dynamical Analyses of Complex Systems in Biology"
April 28: Christopher Jarzynski "Thermodynamics of a Single Biomolecule"
May 5: Ryland Young "The Interaction of Bacteriophages with the Energized Membrane of Bacteria: a General Overview"
May 12: David Wayne Bolen "Naturally Occuring Osmolytes: The Medium is the Message"
May 14: Kevin Cahill "Mirror charges and the water-dielectric interface"
May 19: Thomas Haines "Do Polyunsaturated Fatty Acids Amplify the Rhodopsin to Transducin Signal?"
May 20: Jeremy Pencer "Lateral Organization of "Raft" Formation in Model Membranes"
May 26: David Cafiso "Dynamics and Conformational Changes in a Membrane Transporter Determined Using Site-Directed Spin Labeling"
June 9: Kiyoshi Mizuuchi "Use of High-Sensitivity Fluorescence Microscopy for the Study of Macromolecular Assembly Dynamics"
June 30: Vladimir Morozov "Generalized Model of Polypeptide Chain and Helix-Coil Transition in Biopolymers"
   
2003
   
January 15: Vitaly Buckin "High-Resolution Ultrasonic Spectroscopy for Analysis Biopolymers and Biocolloids"
January 22: Sylvio May "Phase Separation of Lipid Membranes Induced by Adsorbed Macroions"
January 29: Michael Seidman "Gene Targeting by Triple Helix Forming Oligonucleotides"
February 19: Brian Todd "Pushing Limits of Atomic Force Microscopy in Studies of the Nanostructure of Cartilage"
March 10: Beata Kloesgen-Buchkremer "On the Attempt to Watch a Membrane Fainting"
March 27: Dr. Evan A. Evans "Membrane Rupture: 2-D Cavitation"
April 9: Dr. Susan Krueger "Structure and Function of Biological Macromolecules in Solution: What can Small Angle Neutron Scattering do for YOU?"
April 16: Sergei Sukharev "Bacterial Mechanosensitive Channels"
May 14: Paul O'Shea "Intermolecular Interactions on/within Membranes: Kinetics and Imaging"
May 21: Doug Barrick "The energy landscape of a modular protein"
May 28: Dr. Alexei Kornyshev "Fuel Cells: Also Like Living Organisms Some Times"
June 4: John Seddon "Time-resolved X-ray Diffraction Studies of Lipid Membranes and Liquid Crystals"
June 18: Denis Wirtz "Particle tracking microrheology of cell biological systems"
June 23: Thomas Abraham "Charged Macromolecular Brushes: Surface Forces and Structures"
July 2: Alan Grossfield "Simulations of Ion Solvation Using a Polarizable Force Field"
July 9: Peter Steinbach "Protein Structure Prediction: Energetics and Conformational Searching"
July 16: Thomas Zemb "Towards an Equation of State of Charged Bilayers: Facts, Dreams and Open Problems"
July 23: Karen Fleming
July 30: David Andelman "Aggregation of DNA by Spermine: Some New Theoretical Interpretations"
September 3: Tamas Balla "Studying Inositol Lipid Dynamics with Novel Molecular Tools"
September 10: Peter Munson "Statistical Data Mining of Affymetrix Gene Expression Data"
October 3: Avinoam Ben-Shaul "DNA Packaging and Ejection Forces in Bacterial Viruses"
October 22: Joan Ferraris "Tonicity-dependent Transactivation of the Mammalian Tonicity Responsive Enhancer Binding Protein, TonEBP/OREBP"
October 29: Sasha Berezhkovskii "Kramer's Theory of Chemical Reactions in solutions"
November 5: Sasha Berezhkovskii "Kramer's Theory of Chemical Reactions in solutions". Part II
November 19: Chris Stanley "Osmotically Induced Helix-Coil Transition in Poly (glutamic acid)"
November 21: Paul Hansma "A Molecular Repair Mechanism for Microcracks in Bone that Involves the Organic Matrix"
December 3: John Phair "Mechanism of Swelling of Alkali-Silica Reaction (ASR) Gels in Concrete"
December 10: Murugappan Muthukumar "Counterion Distribution Around Isolated Polyelectrolytes"
December 17: Sasha Berezhkovskii "Kramer's Theory of Chemical Reactions in solutions". Part III
December 19: Janet M. Wood "Transporter ProP of Escherichia coli: Osmosensor and Osmoregulator"
   
2002
   
February 6: Silvia Tomic "Low Frequency Dielectric Spectroscopy in Low-Dimensional Systems"
February 13: Sandra Smith-Gill "Determinants of Specificity and Affinity in
Antigen-Antibody Recognition: From Gene to Thermodynamics"
February 15: Wayne M. Saslow "Transport in Multi-Carrier Systems: Songs Unsung by Landau and Lifshitz"
March 6: Beate Kloesgen "Structure and Interaction of Lipid Membranes - Can We Learn Something Useful, e.g., for Drug Delivery?"
March 27: Mathias Loesche "Micrometer-Scale Structure Formation in Surface Monolayers"
April 10: Kevin E. Cahill "The Kinematics of Protein Folding"
April 17: Iosif Vaisman "Computational Geometry Approach to Protein Structure Analysis"
April 24: Per Hansen "Osmotic Properties of PEG Polymers: Quantitative Aspects of Bulk and Brush Scaling Laws"
April 30: Peter Rand "As the Wood Turns"
May 1: Michael Tolstorukov "The Local B-to-A Transition Facilitates Protein-DNA Recognition in the Minor Groove"
May 8: Jie Yang "Two Examples in Biological AFM"
May 22: Patricia McGuiggan "Friction and Rheology Measurements Using the AFM"
May 29: Dganit Danino "Conformational Changes in Dynamin/Lipid Tube: A Time Resolved Study Using Cryo-TEM"
June 5: Martin Piech "Prediction and Measurement of Interparticle Depletion and Structural Forces in Complex Colloidal Systems"
July 5: Uri Raviv "Monomeric and Polymeric Fluids Under Extreme Confinement"
July 25: David Andelman "Interactions of DNA and Polymers with Amphiphilic Molecules"
August 14: Menachem Gutman "A Single Proton in a Nanoscale Sphere; Electrostatic, Entrophy and Kinetics" and Esther Nachliel "Mechanism and Kinetics of "Proton-hole" Propagation through Bacteriorhodopsin"
September 11: Sarah Veatch "Lateral Organization in Lipid Membranes Containing Cholesterol"
October 2: Toshiko Ichiye "Water, Water Everywhere."
October 9: Thomas Zemb and Monique Dubois "First Results of Osmotic Stress on Icosohedral Polyhedra"
November 20: Amir Gandjbakhche "Quantitative optical imaging of biological tissue"
December 4: Johnathan Sachs "Water and Salt at the Interface: Molecular Dynamics Simulation of Model and All-Atom Bilayers"
December 18: Mark Prausnitz "Biophysical Methods of Drug Delivery Using Ultrasound, Electroporation, Microneedles and Other Aproaches"
   
2001
   
February 6: Silvia Tomic "Low Frequency Dielectric Spectroscopy in Low-Dimensional Systems"
February 13: Sandra Smith-Gill "Determinants of Specificity and Affinity in
Antigen-Antibody Recognition: From Gene to Thermodynamics"
February 15: Wayne M. Saslow "Transport in Multi-Carrier Systems: Songs Unsung by Landau and Lifshitz"
March 6: Beate Kloesgen "Structure and Interaction of Lipid Membranes - Can We Learn Something Useful, e.g., for Drug Delivery?"
March 27: Mathias Loesche "Micrometer-Scale Structure Formation in Surface Monolayers"
April 10: Kevin E. Cahill "The Kinematics of Protein Folding"
April 17: Iosif Vaisman "Computational Geometry Approach to Protein Structure Analysis"
April 24: Per Hansen "Osmotic Properties of PEG Polymers: Quantitative Aspects of Bulk and Brush Scaling Laws"
April 30: Peter Rand "As the Wood Turns"
May 1: Michael Tolstorukov "The Local B-to-A Transition Facilitates Protein-DNA Recognition in the Minor Groove"
May 8: Jie Yang "Two Examples in Biological AFM"
May 22: Patricia McGuiggan "Friction and Rheology Measurements Using the AFM"
May 29: Dganit Danino "Conformational Changes in Dynamin/Lipid Tube: A Time Resolved Study Using Cryo-TEM"
June 5: Martin Piech "Prediction and Measurement of Interparticle Depletion and Structural Forces in Complex Colloidal Systems"
July 5: Uri Raviv "Monomeric and Polymeric Fluids Under Extreme Confinement"
July 25: David Andelman "Interactions of DNA and Polymers with Amphiphilic Molecules"
August 14: Menachem Gutman "A Single Proton in a Nanoscale Sphere; Electrostatic, Entrophy and Kinetics" and Esther Nachliel "Mechanism and Kinetics of "Proton-hole" Propagation through Bacteriorhodopsin"
September 11: Sarah Veatch "Lateral Organization in Lipid Membranes Containing Cholesterol"
October 2: Toshiko Ichiye "Water, Water Everywhere."
October 9: Thomas Zemb and Monique Dubois "First Results of Osmotic Stress on Icosohedral Polyhedra"
November 20: Amir Gandjbakhche "Quantitative optical imaging of biological tissue"
December 4: Johnathan Sachs "Water and Salt at the Interface: Molecular Dynamics Simulation of Model and All-Atom Bilayers"
December 18: Mark Prausnitz "Biophysical Methods of Drug Delivery Using Ultrasound, Electroporation, Microneedles and Other Aproaches"
 
January 3: Jan Hoh "Do Unstructured Polypeptides Produce Biologically Important Long Range Repulsive Forces?"
January 10: Robert Star "Development and Applications of Protein CryoArrays"
January 24: Nancy Kleckner
January 31: Michael Curran "Self-inhibition of Bacterial Growth"
February 7: Ranjan Mukhopadhyay "Nematic Elastomers and Membranes"
March 28: Workshop on "Atomic Force Microscopy and Selected Applications at NIH"; organizer: Dr. Albert Jin (OD/ORS)
April 11: Horia Petrache "Protein-Lipid Bilayer Hydrophobic Matching"
May 9: Yury Ermakov "Dipole Potentials Indicate Restructuring of the Membrane Interface Induced by Gadolinium and Beryllium Ions"
June 14: Thomas Zemb "Equation of State of Charged Lipids in the Absence of
Salt: Evidence of an Intermediary Oyster State and Comparison to the Parsegian-Podgornik Predictions."
May 31: Anton Persikov & Barbara Brodsky "A Peptide Approach to the Collagen Triple-Helix"
June 8: Alfred Yergey "Hydration Energetics of Gas Phase Ions"
July 18: Dan Sackett "Extremophiles: Biophysics of Life at the Edge"
August 8: Marcio Colombo "Enthalpy and Entropy Values of Protein Solvation: A Realistic Approach"
August 15 Roger H. French "Origins and Application of London Dispersion
Forces in Ceramics: Electronic Structure and Chemistry"
August 22: Daniel ben-Avraham "Stability of the Internet"
September 12: Peter Steinbach "Analysis of Kinetics Using a Hybrid Maximum-Entropy Nonlinear-Least-Squares Method: Application to Protein Folding"
September 19: G. Wong "Self-Assembly of Condensed Actin Phases"
October 17: Sanford Leuba "Probing Single Chromatin Fiber Structure by AFM, Optical Tweezers, and Magnetic Tweezers"
October 31: Eric Michel "Dynamic Properties of Transients Networks: Light Scattering and Rheology"
November 21: Ekaterina Nestorovich "Single-Molecule Approach for Studying Antibiotics Translocation through Bacterial Porin"
December 5: Monique Dubois and Thomas Zemb "New Lamellar Lipid Sructures"
December 7: Philip Pincus "The Role of the Born Energy on Membranes"
December 12: Mark C. Williams "HIV NC Protein Nucleic Acid Chaperone Activity Studied by Single Molecule DNA Stretching"
   
2000
   
January 5: Helim Aranda "Interaction of Charged Vesicle with an Oppositely Charged Surface"
January 12: Joel Schnur "Controlling the Morphology of Chiral Lipid Tubules for Advanced Material Applications"
January 19: Robert Raphael "Membrane Curvature and the Outer Hair Cell: New  Approaches to Electromotility and, Salicylate Sensitivity"
February 2: Jean Vautrin "Distinction between Exocytosis and Release: the Surface Compartment"
February 9: Brian Pethica "Intermolecular Forces in Monolayers at Aqueous Interfaces and, Perhaps, at Membranes Too"
February 18: Vladimir Morozov "The Microscopical Theory of Helix-Coil Transition in Biopolymers"
February 22: Beata Kloesgen-Buchkremer "Dipoles as Inherent Sensors of
Membrane State: An Outline of Dielectric Spectroscopy in Lipid Membranes"
February 23: Sasa Svetina "Mechanical Properties of Closed Lamellar Membranes and Cellular Processes"
March 15: Michael Fried "Self-Association Reactions of the TATA-binding Protein: Mother Nature Throws a Curve"
March 16: Eric Raspaud "Some Ionic Effects on DNA Solution Properties"
April 5: Peggy Hsieh "Recognition of Heteroduplex DNA by the MutS Mismatch Repair Protein"
April 12: Martin In "Surfactant Oligomers: a New Concept to Vary the Geometry of Self-Assemblies"
April 26: Dan Camerini-Otero "Molecular Mechanisms in DNA Metabolism"
May 31: Samvel Haroutiunian "DNA-Ligand Complexes (UV Spectroscopy, Microcalorimetry and Circular Dichroism)"
June 21: Lev Krishtalik "Energetics of Complex Redox Reactions. Oxygen Reduction in Cytochrome C Oxidase."
July 5: Alexei Sokolov "Slow Relaxation Processes in DNA"
July 12: Per Hansen "On the Electrostatics and Elasticity of DNA"
July 19: Primoz Ziherl "Soap Froths and Crystal Structures"
August 2: Nina Sidorova "Water Release in EcoRI-DNA Binding"
August 9: Christopher Miller "CLC Chloride Channels: Structure and Function, with a Bit of Structure"
August 16: Magdalena Eriksson "Bacterial Uptake of Antisense Agents"
August 25: Roland Kjellander "Distribution Function Theory of Electrolytes and Double Layers"
August 30: Shimon Mizrahi "Osmotic Pressure Effects of Low Molecular Cosolutes on the Cloud Point of Hydoxypropyl Cellulose (HPPC) Solution"
September 6: John Chik "Hydroxypropylcellulose (HPC) and Ions. Part II"
September 8: Daniel Harries "Electrostatic Adsorption of Macromolecules on Mixed Membranes"
September 13: Lee White "Colloidal Forces between Particles and Fluid Interfaces Implications for AFM Measurements"
September 20: Ed Mertz "Anomalously High Dielectirc Reorganization of Water in Enzymatic and Non-enzymatic Reactions"
September 25: Rudi Podgornik "Interactions and Conformations in DNA and Lipid Membrane Arrays"
October 18: Vadim Frolov "Cycle of Shape Transformations of Membrane Tube Near the Critical Point of Its Mechanical Stability"
October 25: Jayakumar Rajadas "Biochemical and Biophysical Studies on Peptide Aggregates"
November 15: Lisen Kullman
December 4: Vaclav Bouda "Simulation of Function and Evolution of Living Cell by Carbon Colloids"
   
1999
   
April 7: Robert Armstrong "The View from the West"
April 9: Robert Macgregor "Frayed Wires"
April 21: Anne Kenworthy "Searching for Lipid Rafts Using Fluorescence Resonance Energy Transfer Microscopy"
April 28: "Getting to the Bottom of Water" (Journal Club)
May 5: Fred Sachs "Membrane Mechanics and Mechanical Transduction: Channels, Patches and AFM"
May 12: Ad Bax "NMR Evidence for Covalent Component in H-bonding"
June 9: Shimon Mizrahi "Swelling Behavior of Uncharged Hydrophilic Gels in Sugar and Salt Solutions"
July 7: James Russell: "Global Calcium Waves and Local Calcium Signals in Glial Cells"
July 14: Rob Coalson "3D Poisson-Nernst-Planck Theory: Application to Gramicidin A"
July 21: Paul Liebman "Interdomain Water Modulates G Protein Nucleotide Exchange Rates"
July 28: Anne Kenworthy "Brushes" or "Mushrooms"? Intersurface Forces Between Polymer-grafted Lipids"
August 4: Malek Khan "Electrostatic Correlations Fold DNA"
August 18: Andrei Komarov "Nitric Oxide in Chemistry and Biology"
August 25: Misha Kozlov "Mechanical Aspects of Endocytosis: Possible Action of Dynamin"
September 1: Horia Petrache "Analysis of Deuterium Order Parameters for Lipid Membranes Using a Mean Torque Potential Model"
September 8: Sergey Leikin "Biophysics of Molecular Recognition Between Collagen Helices: From Normal Function to Brittle Bone Disease"
September 15: David Andelman "Kinetics of Surfactant Adsorption at Interfaces"
September 22: Nily Dan "Designing Polymer-Based Gene and Drug Carriers"
October 20: Thomas Lynch "Water, Water Everywhere: Understanding Protein Nucleic Acid Complexes"
December 1: Enrico Bucci "Are Polymeric Intermediates Regulating the Allosteric
Properties of Hemoglobin Systems?"
December 8: Frank Hoffman "Complete Data Sets Acquired with Different Polycapillary Optic-source Configurations"
December 9: Ranjan Mukhopadhyay "Mechanics of Red-blood Cell Shapes"

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