Biophysical Society 2020 Annual Meeting

Membrane Dynamics I (Boards B238 - B262)

421-Pos Board B252 BREAKDOWN OF THE COUPLING BETWEEN THE LIPID MEMBRANE DY- NAMICS OF DIFFERING HIERARCHICAL LEVELS. Cheng-Zhi Xie, Shih-Ming Chang, Eugene Mamontov, Laura R. Stingaciu, Yi-Fan Chen 422-Pos Board B253 FAST DYNAMICS OF LIPID MIXTURES INVESTIGATED WITH VIBRATIONAL SPECTROSCOPY. Mason L. Valentine , Alfredo E. Cardenas, Ron Elber, Carlos R. Baiz 423-Pos Board B254 ELASTIC MODULI AND COLLECTIVE DYNAMICS OF PHOSPHOLIPIDS ARE REVEALED BY SOLID-STATE 2 H NMR SPECTROSCOPY. Trivikram R. Molugu , K. J. Mallikarjunaiah, Horia I. Petrache, Saptarshi Chakraborty, Rana Ash- kar, Michael F. Brown 424-Pos Board B255 SCALING RELATIONSHIPS FOR THE MECHANICAL PROPERTIES OF MIXED LIPID MEMBRANES. Elizabeth G. Kelley , Paul D. Butler, Michihiro Nagao 425-Pos Board B256 THE RELATIONSHIP BETWEEN THE COMPRESSIBILITY MODULI OF THE BILAYER AND ITS LEAFLETS - NOT SIMPLE BUT IMPORTANT.  Milka Doktorova , Faezeh Darbaniyan 426-Pos Board B257 STIFFENING OF PHOSPHOCHOLINE MEMBRANES BY CHOLESTEROL. Sap- tarshi Chakraborty, Trivikram R. Molugu, Milka Doktorova, Frederick A. Heberle, Haden L. Scott, Elizabeth G. Kelley, Michihiro Nagao, Boris G. Dzikovski 10 , Robert F. Standaert 11 , Francisco N. Barrera, John Katsaras 12 , George Khelashvili 13 , Michael F. Brown, Rana Ashkar 427-Pos Board B258 LPS-INDUCED BILAYER DEFORMATION IS MODULATED WITH INCREASING LIPID MEMBRANE COMPLEXITY. Loreen R. Stromberg , James H. Werner, Gabriel A. Montano, Harshini Mukundan 428-Pos Board B259 MECHANISTIC INSIGHTS IN THE INTERACTION OF CHEMICALS WITH SURFACTANT MEMBRANE MODELS IN VITRO . Emilie Da Silva , Chiara Autilio, Karin S. Hougaard, Anders Baun, Antonio Cruz, Jesus Perez-Gil, Jorid Birkelund Sørli 429-Pos Board B260 Travel Awardee MILD HYPOTHERMIA ENHANCES LUNG SURFACTANT ACTIVITY: DELVING INTO THE MOLECULAR MECHANISMS. Chiara Autilio , Mercedes Echaide, Cristina Garcia-Mouton, Alberto Hidalgo, Antonio Cruz, Daniele De Luca, Jesus Perez-Gil 430-Pos Board B261 USING A MODEL LYSOSOME MEMBRANE TO STUDY NANOMATERIAL- MEMBRANE INTERACTIONS. Donald S. Anderson , Matthew J. Sydor, Harmen B. Steele, Becky Kendall, Sandy Ross, Andrij Holian 431-Pos Board B262 DYNAMIC NANOSCALE REORGANIZATION OF LIPID MOLECULES AND NANOPARTICLES REVEALED BY PLASMONIC GAP RESONANCE SPECTROS- COPY. Matthew R. Cheetham , Bart de Nijs, Jack P. Griffiths, Stephen D. Evans, Jeremy J. Baumberg, Rohit Chikkaraddy

F R I D A Y

S U N D A Y

407-Pos Board B238 SPONTANEOUS COMPARTMENTALIZATION IN ADHERENT ARTIFICIAL CELLS. Karolina Spustova , Elif S. Koksal, Alar Ainla, Irep Gozen 408-Pos Board B239 SURFACE-ASSISTED SELF-ASSEMBLY OF FATTY ACIDS TO CELL-LIKE COM- PARTMENTS.  Inga Põldsalu , Elif S. Koksal, Irep Gozen 409-Pos Board B240 Travel Awardee MILD TEMPERATURE GRADIENTS MAY HAVE ENHANCED THE GROWTH AND FUSION OF PROTOCELLS ON THE EARLY EARTH. Elif S. Koksal , Lauri Viitala, Irep Gozen 410-Pos Board B241 VESICLE BUDDING INDUCED BY THE ASYMMETRIC MEMBRANE INSER- TION OF A SURFACTANT IS LIMITED BY AN OSMOTIC BARRIER.  Michael Kaiser , Ndjali Quarta, Annette Meister, Heiko Heerklotz 411-Pos Board B242 ASYMMETRIC MEMBRANES AND THE STUDY OF LIPID MOVEMENT ACROSS SINGLE LIPID BILAYERS. Ursula A. Perez-Salas , Yangmingyue Liu, Lionel Porcar 412-Pos Board B243 EXTENSIVE TEST OF HYDROGEN MASS REPARTITIONING ON MD SIMULA- TIONS OF LIPID MEMBRANES. Chun Hon Lau , Yi Wang 413-Pos Board B244 Travel Awardee GENERALIZATION OF THE KELVIN EQUATION AND MACROMOLECULAR SURFACES. David V. Svintradze 414-Pos Board B245 ALL-ATOMMOLECULAR DYNAMICS SIMULATIONS OF GANGLIOSIDE GM1 AND ITS DEGRADATION PRODUCTS. Andrew H. Beaven , Alexander J. Sodt 415-Pos Board B246 CHARACTERIZATION OF SPECIFIC ION EFFECTS ON PI(4,5)P2 CLUSTERING USING MOLECULAR DYNAMICS SIMULATIONS AND GRAPH-THEORETIC ANALYSIS. Kyungreem Han , Arne Gericke, Richard W. Pastor 416-Pos Board B247 A MICROSCOPIC PICTURE OF CALCIUM-ASSISTED LIPID DEMIXING AND MEMBRANE REMODELING USING MULTI-SCALE SIMULATIONS.  Abhilash Sahoo , Silvina Matysiak 417-Pos Board B248 CONTINUUM-MODELING SOFTWARE FOR MODELING THE DYNAMICS OF ARBITRARY TOPOLOGY MEMBRANES. Kayla Sapp , Alexander J. Sodt 418-Pos Board B249 TRANSMEMBRANE PEPTIDE INSERTION AFFECTS MEMBRANE INTERFA- CIAL DYNAMICS.  Jennifer C. Flanagan , Carlos R. Baiz 419-Pos Board B250 MEMBRANE VISCOSITY AND LIPID DIFFUSION IN A MODEL BILAYER MEASURED AT MOLECULAR SCALES. Michihiro Nagao , Elizabeth G. Kelley, Takeshi Yamada, Antonio Faraone, Kaoru Shibata, Paul D. Butler 420-Pos Board B251 HIERARCHICAL MEMBRANE DYNAMICS IN PHASE-SEPARATED MODEL MEMBRANES. Saptarshi Chakraborty , Jan Michael Y. Carrillo, Elizabeth G. Kelley, Frederick A. Heberle, John Katsaras, Bobby G. Sumpter, Michihiro Nagao, Rana Ashkar

Membrane Structure I (Boards B263 - B287)

432-Pos Board B263 THE STRUCTURAL BASIS FOR STABILIZATION OF PULMONARY SURFAC- TANT FILMS BY SUBPHASE MATERIAL. Konstantin Andreev, Michael W. Martynowycz, Ivan Kuzmenko, Stephen B. Hall, David Gidalevitz

37