Math-Biochem/Biophys Seminar page

Informal Seminars on
Mathematics and Biochemistry-Biophysics (MBB)

Organizers: Li-Tien Cheng and Bo Li

Department of Mathematics, UC San Diego



Spring quarter, 2012

Thursdays, 2:00 pm - 3:00 pm, AP&M 5829 (unless otherwise announced).

Date

Speaker

Title & Abstract

4/5 No seminar. (Osher Conference at IPAM, UCLA.)
4/12 Mr. Jiayi Wen
(Math & CTBP, UCSD)
Competitive Adsorption and Ordered Packing of Counterions Near Highly Charged Surfaces: From Mean-Field Theory to Monte Carlo Simulations
Abstract
4/19 Prof. Burkard Duenweg
(Phys. Max-Planck, Mainz, Germany)
Local Approaches to Electrostatics
Abstract
4/26 Prof. Xun Jia
(Medical Phys., UCSD)
Treatment Plan Optimization in Radiation Therapy
Abstract
5/3 Prof. Li-Tien Cheng
(Math, UCSD)
Binary Level-Set Shape Optimization Model and Algorithm for Volumetric Modulated Arc Therapy in Radiotherapy Treatment
Abstract
5/10 Mr. Michael White
(Math & CTBP, UCSD)
Motion of a Cylindrical Dielectric Boundary
Abstract
5/17 No seminar. (Frontiers in Applied and Computational Mathematics 2012 Conference at NJIT.)
5/24 Dr. Zuojun Guo
(Genomics Inst. of the Novartis Res. Foundation - GNF)
The Role of Electrostatic Interaction to the Structural Stability of Nucleic Acid and Peptide
Abstract
5/31 Dr. Changsun Eun
(Biochem, UCSD)
Some Aspects of Hydrophobic Interaction Between Two Nanoscale Particles: Water Number Fluctuation and Roughness Effect
Abstract
6/7  
 
Title:
Abstract 

Winter quarter, 2012

Thursdays, 2:00 pm - 3:00 pm, AP&M 5829 (unless otherwise announced).

Date

Speaker

Title & Abstract

2:00 - 3:00, Friday, 1/6 (Special time) Prof. Ridg Scott
(Computer Sci. & Math, Univ., Chicago)
Models for Dielectrics at the Molecular and Continuum Scale
11:30-12:30, Tuesday, 1/17
AP&M 6402 (Special time/place)
Dr. Jianfeng Lu
(Courant Inst., NYU)
Multiscale Analysis of Solid Materials: From Electronic Structure Models to Continuum Theories
Abstract
2/9 Prof. Yu-Chen Shu
(Math, National Cheng Kung Univ., Taiwan)
Coupling Interface Method for Solving Poisson-Boltzmann Equation
Abstract
3/15 Ms. Shenshen Wang
(Phys. & CTBP, UCSD)
Effective Temperature and Spontaneous Collective Motion of Active Matter
Abstract

Fall quarter, 2011

Thursdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

9/22 Organizational meeting.
9/29 Prof. Chauhui Tong
(Phys., Ningbo Univ., China)
The Self-Consistent Field Study of the Adsorption of Flexible Polyelectrolytes onto Two Charged Objects
Abstract
10/6 Dr. Yanxiang Zhao
(Math, Chem & Biochem, & CTBP, UCSD)
A Diffuse Interface Model of Multicomponent Vesicle Adhesion and Fusion
Abstract
10/13 Dr. Tony Kwan
(Math & CTBP, UCSD)
Efficient Preconditioners for the Triangular Spectral Element Method
Abstract
10/20 Mr. Shenggao Zhou
(Math, Zhejiang Univ. China,
& Math & CTBP, UCSD)
Mean-Filed Description of Ionic Size Effect with Non-Uniform Ionic Sizes: A Numerical Approach
Abstract
10/27 Prof. Zhenli Xu
(Math & Inst. Natural Sci.,
Shanghai Jiaotong Univ.,
& Math, UCSD)
Image Effects in Colloidal Suspensions
Abstract
11/3 No seminar. Group meeting.
11/10 Ms. Helen Parks
(Math, UCSD)
The Dynamics of a Forced Coupled Network of Active Elements
Abstract
11/17
Special event
The SIAM Conference on Analysis of PDEs will end around 2:00 pm. So there will be no seminar today.
But Professor Robert Pego of Carnegie Mellon University will speak in the Department of Mathematics Colloquium: 4:00 pm, AP&M 6402.
11/24 No seminar. Thanksgiving Holiday.
12/2 No seminar. Group meeting.

Spring quarter, 2011

Thursdays, 2:00 pm - 3:00 pm, AP&M 6402, unless otherwise announced.

Date

Speaker

Title & Abstract

3/31 Organizational meeting.
4/7
AP&M 6218
(Special place)
Prof. Li-Tien Cheng
(Math, UCSD)
Numerical Methods for Elliptic Interface Problems with Applications to Cell Motion and Continuum Electrostatics. Part I.  
4/14 No seminar/group meeting.
2:00-3:00, Tuesday, 5/3
AP&M 6218
(Special time & place)
Prof. Li-Tien Cheng
(Math, UCSD)
Numerical Methods for Elliptic Interface Problems with Applications to Cell Motion and Continuum Electrostatics. Part II.  
5/5 Prof. Tatyana Sharpee
(Biophys., Salk Inst. & UCSD)
Maximally Informative Decision Boundaries in Neural Coding
Abstract
1:00 - 2:00, Friday, 5/13
Pacific Hall 4500
(Special time & place)
Professor Ruth Williams speaks at Center for Theoretical Biological Physics.
Title: Queueing Up for Enzymatic Processing: Correlations through Coupled Degradation.
5/19
3:30-4:30, AP&M 5829
(Special time & place)
Dr. Yifei Lou
(EE/CS, Gatech)
Image Deblurring via Self-Similarity and via Sparsity
Abstract
5/26 Group meeting.
6/2
1:30-2:30, AP&M 2402 (Special time & place)
Prof. Bo Li
(Math & CTBP, UCSD)
Dielectric Boundary Forces in Variational Implicit-Solvent Modeling of Biomolecules
Abstract
6/7
11:00-:12:00, AP&M 5829
(Special time & place)
Prof. Jaydeep Bardhan
(Biophys., Rush Univ.)
Boundary-Integral Methods for Fast Continuum-Model Biomolecule Electrostatics
Abstract

Winter quarter, 2011

Thursdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

1/6 Organizational meeting.
1/13 Group meeting.
1/20
Joint with Math Colloq.
4:00, AP&M 5402.
(Special time & place)
Prof. Bob Eisenberg
(Biophysics, Rush Univ.)
Ions in Channels
Abstract
1/27 Group meeting.
2/3 Group meeting.
2/10. No seminar/group meeting.
2/17
Dr. Pete Kekenes-Huskey
(Biochem, UCSD)
Contributions of Structural t-tubule Heterogeneities and Membrane Ca2+ Flux Localization to Local Ca2+ Signaling in Rabbit Ventricular Myocytes
Abstract
2/24 No seminar/group meeting.
3/3 No seminar/group meeting.
3/7 - 3/10 A "Brainstorming" workshop.
3/11 Prof. Joe Dzubiella of Helmholtz Center Berlin and the Humboldt University Berlin will give a talk in the CTBP weekly seminar: 1:00 - 2:00, 3500 Pacific Hall.

Fall quarter, 2010

Thursdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

9/30 Organizational meeting.
10/7 Ms. Danying Shao
(Phys. & CTBP, UCSD)
Modeling Cell Migration with Phase Field Method
Abstract
10/14 Group meeting.
10/21 Prof. Yunbo Kim
(Math, UCI)
Oscillatory Component Recovery and Separation in Images by Sobolev Norms
Abstract
Joint with Math Colloq.
10/28
4:00, AP&M 6402.
(Special time & place)
Prof. Chun Liu
(Math, Penn State Univ.)
Energetic Variational Approaches in the Modeling of Ionic Solutions and Ion Channels
Abstract
11/4
Ms. Maryannn Hohn
(Math, UCSD)
Diffusion Equation Models and Numerical Simulations of Gene Expression
11/11 No seminar. Veterans Day Holiday.
11/18 Group meeting.
11/25 No seminar. Thanksgiving Holiday.
12/2
Prof. Ray Luo
(Biochem, UC Irvine)
Charge-based Approach to the Poisson-Boltzmann Continuum Solvation Treatment
Abstract

Spring quarter, 2010

Thursdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

4/1/10 Organizational meeting.
4/8/10 Prof. Ir. Sim Kok-Swee
(Multimedia Univ.)
Malaysia
Real-Time Auto-Probing for Breast Cancer Detection by Magnetic Resonance Imaging
Abstract
4/15/10 Group meeting.
4/29/10 Group meeting with Steve Jiang's group.
5/20/10 Group meeting.
10:00-11:30, 6/3
AP&M 5402.
(Special time & place)
Maryann Hohn's advancement.
Title: Some Mathematical Problems on Gene Expression.

Winter quarter, 2010

Thursdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

1/7/10 Organizational meeting.
1/14/10 Group meeting.
4:00pm, 1/28,
AP&M 6402.
(Special time & place)
Prof. Zuowei Shen of National University of Singapore will speak in the Department of Mathematics Colloquium.
Title: Frame Based Image Restoration.
See Department of Mathematics Colloquium for the abstract.
2/4/10 Group meeting.
Joint w/ Math Colloq.
2/18/10, AP&M 6402.
(Special place)
Prof. Greg Forest
(Math, UNC Chepel Hill)
The Virtual Lung Project at UNC
Abstract
2/25/10 Dr. Riccardo Baron
(Biochem & CTBP, UCSD)
Water: Active or Passive Player in Cavity-Ligand Recognition & Binding?
Abstract
1:30-2:30, 3/3/10,
EBUII, Room 479
(Special time & place)
Prof. Tom Chou, UCLA Biomath & Math, will speak at Biomechanics Semianr.
Title: Reconstruction of Complex Bond Potentials from Multiple Rupture Time Distributions
Abstract.

Fall quarter, 2009

Thursdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

10/1/09 Organizational meeting.
10/8/09 Prof. Bin Dong
(Math, UCSD)
Applications of PDEs and Optimization in Medical Image and Surface Processing.
Abstract.
10/15/09 Dr. Yohichi Suzuki
(Phys & CTBP, UCSD)
Single-Molecule Rupture Dynamics on Multidimensional Landscapes.
Abstract.
10/22/09 Dr. Eunjung Kim
(Math, Univ. Notre Dame)
Multiscale Biomechanical Models for Biological Soft Tissue.
Abstract.
10/29/09 Mr. Bo Hu
(Phys. & CTBP, UCSD)
Stochastic Information Processing and Optimal Design in Eukaryotic Chemotaxis.
Abstract.
11/5/09 Dr. Arijit Maitra
(Nanoengineer., UCSD)
A Model of Dynamic Single-Molecule Force Spectroscopy that Harnesses Both Loading Rates and Device Stiffness.
Abstract.
11/12/09 Dr. Immanuel Kalcher
(Biophys, Tech Univ Munich)
Modeling Ion-Specific Correlations in Bulk and Confinement
Abstract.
11/19/09 No seminar. Group meeting.
11/26/09 No seminar. Thanksgiving Holiday.
12/3/09 Dr. Shuangliang Zhao
(Chem. Eng., UC Riverside)
Density Functional Theory for Solvation in Molecular Solvents.
Abstract.

Spring quarter, 2009

Tuesdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

3/31/09 Organizational meeting.
4:00pm, Thursday, 4/9/09
AP&M 6402.
(Special time & place)
Prof. Eric Cances, Ecole des Ponts ParisTech, France, will speak in the Math Dept Colloquium.
Title: Some Mathematical Aspects of Density Functional Theory.
Abstract.
4/14/09 Prof. Leonard M. Sander
(Phys., Univ. of Michigan)
A Generalized Cahn-Hilliard Equation for Biological Applications
Abstract.
4/21/09 No seminar. One of the organizers is out of town.
4/28/09 Prof. Huan-Xiang Zhou
(Biophys., Florida State Univ.)
Accurate Calculation of Binding and Folding Free Energies by a Scaled Generalized Born Method
Abstract.
5/5/09 Group meeting.
5/12/09 No seminar and group meeting this week.
5/19/09 Group meeting.
5/26/09 No seminar and group meeting this week.
3:00, 6/3/09, EBU-II 479
(Special time & place)
Penner Biomechanics Seminar, Mechanical and Aerospace Engineering Department, UCSD.
Speaker: Professor Alex Mogilner, UC Davis.
Title: How Actin Treadmill, Membrane Tension and Myosin Contraction Determine Cell Shape?

Winter quarter, 2009

Tuesdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

1/6/09 Organizational meeting.
4:00, Thursday,
1/15/09,
AP&M 6402.
(Special time & place)
Prof. Gil Ariel, Univeristy of Texas at Austin, will give a mathematics colloquium talk.
Title: Modeling and Computation with Multiple Time Scales.
Abstract
3:00, Thursday,
1/22/09,
AP&M 5829.
(Special time)
Dr. Piotr Setny
(Biophys., Univ. of Warsaw)
Hydrophobic Effects in Vicinity of Concave Nanoscopic Objects
Abstract
1/27/09 Dr. Zhongming Wang
(Biochem & Math, UCSD)
A Level-Set Variational Implicit-Solvent Approach to Hydrophobic Interactions
Abstract
2/3/09 Prof. Bo Li
(Math & CTBP, UCSD)
The Poisson-Boltzmann Theory of Continuum Electrostatics with Application to Variational Solvation of Molecules
Abstract
11:00, Tuesday,
2/10/09,
AP&M 2402
(Special time & place)
Professor Ridgway Scott, Univ. of Chicago, speaks at Numerial Analysis/Computational Math seminar.

Title: Mathematical Foundation for Molecular van der Waals Forces
2/17/09 Dr. Joanna Sulkowska
(Phys. & CTBP, UCSD)
Dodging the Crisis of Folding Proteins with Knot
2:00, Thursday,
2/26/09,
AP&M 5829
(Special time)
Dr. Yangjin Kim
(Math. Biosci. Inst.,
Ohio State Univ.)
Glioma Invasion and Microenvironment: A PDE/Multiscale Model
Abstract
1:00, Friday,
3/6/09,
Pacific Hall 3500
(Special time & place)
Professor John Lowengrub, Department of Mathematics, UC Irvine, speaks at the Center for Theoretical Biological Physics Seminar.

Title: Multiscale Models of Solid Tumor Growth and Angiogenesis

Fall quarter, 2008

Tuesdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

9/30/08 Organizational meeting.
1:00 pm, Firday
10/10/08
Pacific Hall 3500
(Special time & place)
Prof. Bo Li will give a talk at Center for Theoretical Biological Physics.
Title: Coupling the Level-Set Method with Variational Implicit-Solvent Models for Molecular Solvation.
10/14/08 Dr. Mathias Buenemann
(Biophys., UCSD)
Mechanical Limits of Viral Capsids
Abstract
10/21/08 No meeting this week. (One of the organizers is away this week.)
2:00pm, Thursday, 10/30/08
(Special date)
Prof. Paul Atzberger
(Math, UCSB)
Spatially Adaptive Stochastic Numerical Methods for Intrinsic Fluctuations in Reaction-Diffusion System
Abstract
11/4/08 No seminar. Organizers will participate in a workshop at the IMA (Institute for Mathematics and Its Applications).
11/11/08 No seminar. Verterans Day Holiday.
11/18/08 Dr. Zhongming Wang
(Math & Biochem, UCSD)
Solutions to a Model Poisson-Nernst-Planck System and the Determination of Reaction Rates
11/25/08 Dr. Igor Klep
(Math, UCSD)
Sign Patterns and Determinant Expansions for Chemical Rection Networks
Abstract
12/2/08 No meeting this week. (One of the organizers is away this week.)

Spring quarter, 2008

Tuesdays, 2:00 pm - 3:00 pm, AP&M 5829.

Date

Speaker

Title & Abstract

4/1/08 Organizational meeting
4/8/08 Dr. Benzhuo Lu
(HHMI, Chem-Biochem & CTBP, UCSD)
Boundary Integral Methods for Electrostatics in Biomolecules. Part I: An overview
Abstract
4/15/08 Prof. Jingfang Huang
(Math, UNC-Chapel Hill, & CTBP, UCSD)
Boundary Integral Methods for Electrostatics in Biomolecules. Part II: Fast Multipole Methods
Abstract
4/22/08 Dr. Ilja Khavrutskii
(HHMI, Chem-Biochem & CTBP, UCSD)
Transition Path and Path Ensemble Optimization with Gradient-Augmented Harmonic Fourier Beads Method
Abstract
4/29/08 Prof. Doug Smith
(Phys Dept, UCSD)
Single Molecule Studies of Entangled DNA Molecule Dynamics and Viral DNA Packaging
Special event
4:00pm, Thursday, 5/8/08,
AP&M 6402.
Prof. Herbert Levine, Phys Dept & CTBP, UCSD, will speak in the Math Dept Colloquium.
Title: Fluctuation-Dominated Front Motion and its Application to Laboratory-Scale Darwinian Evolution.
5/13/08 Dr. Shachi Gosavi
(Phys Dept & CTBP, UCSD)
Protein Folding, Topological Frustration and Biological Function
Abstract
5/20/08 Prof. Bo Li
(Math & CTBP, UCSD)
Variational Implicit-Solvent Modeling and the Level-Set Computation of Biomolecular Structures and Interactions. Part I: An Overview
Abstract
5/27/08 Prof. Li-Tien Cheng
(Math, UCSD)
Variational Implicit-Solvent Modeling and the Level-Set Computation of Biomolecular Structures and Interactions. Part II: The Level-Set Method
Abstract
6/3/08 Dr. Yuhui Cheng
(Biochem, UCSD)
Self-Cleavage Reaction Mechanism Study in Group I Intron Ribozyme: Application of ab initio QM/MM Approach

Winter quarter, 2008

No seminars this quarter due to the leave of one of the organizers.



Summer and Fall quarter, 2007

Tuesdays, 3:00 pm - 4:00 pm, AP&M 5402.

Date

Speaker

Title & Abstract

6/14/07
(special date)
Dr. Jianwei Che (GNF)
Prof. Li-Tien Cheng (Math, UCSD)
Biochemistry and Rational Drug Design. Level-set method.
8//28/07 Prof. Bo Li (Math & CTBP, UCSD)
Ms. Morgan Lawrenz (Biochem, UCSD)
Mr. Yang Xie (MAE, UCSD)
Level-Set Implicit Solvent Models. MD Simulations of Charged Xenon Particles
Bo Li's presentation PDF. Yang Xie's presentation PDF.
9/25/07 Prof. Bo Li
(Math & CTBP, UCSD)
Electrostatic Free Energy and its Variations in Implicit Solvent Models
Abstract
10/2/07 Dr. Benzhuo Lu
(HHMI, and Biochem and CTBP of UCSD)
Electrodiffusion: A continuum modeling framework for biomolecular systems with realistic spatiotemporal resolution
Abstract
10/9/07 Prof. Lei Ni
(Math, UCSD)
Ricci Flow
Follow-up discussion on: Geometrical flows, molecular surfaces, and protein folding.
10/16/07 Prof. Ray Luo
(Molecular Biology & Biochem, UC Irvine)
Scaling in Solvation: Implicit Solvent vs. Explicit Solvent
Abstract
10/23/07 Seminar cancelled due to the closure of UCSD campus.
10/30/07 Dr. Zeyun Yu
(Math and Biochem, UCSD)
Molecular Mesh Generation and Processing
Abstract
11/6/07 Dr. Yongcheng Zhou
(Biochem & Math, UCSD)
Modeling, Computation and Applications of Electrostatic Stress of Bimolecules
Abstract
11/13/07 Prof. Gaurav Arya
(Nanoenginnering, UCSD)
Mesoscale Modeling and Simulation of Chromatin
Abstract
11/20/07 Prof. Olga Dudko
(Phys Dept & CTBP, UCSD)
Single-Molecule Pulling Experiments: Theory, Analysis and Interpretation
Abstract
11/27/07 Mr. Alex Bilik
(Math, UCSD)
Diffuse-Interface Modeling and Simulation of Solvation of Nonpolar Molecules
Special event
12/3/2007
Professor Richard D. James of Univ. of Minnesota is giving a talk in Seminars in Mechanics and Materials. 11:00 - 12:00, Monday, Dec. 3, CMRR Auditorium. Title: Lessons on Structure from the Structure of Viruses. Abstract.


Last updated by Bo Li on March 1, 2012. © Bo Li, 2007-2012.