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DTSTAMP:20240227T223000Z
UID:1708704265198@thor.lawrence.edu
CATEGORIES:Other
DTSTART:20240227T223000Z
DTEND:20240228T055900Z
SUMMARY:Senior Experience Seminar Series in Physics - 
 2024
CONTACT;ALTREP="mailto:matthew.r.stoneking@lawrence.edu":
 Matthew R. Stoneking\, matthew.r.stoneking@lawrence.edu
DESCRIPTION:
 Hasif Ahmed\n
 Optimization of Transcription Factor Search Times: 
 Probability Theory can Explain Biology too!\n
 Probability theory is not just limited to coin 
 flipping problems. Turns out that they can explain 
 fast search times for Transcription Factor proteins 
 in Bacterial DNA as well. This is crucial for 
 our understanding of gene regulation in Bacteria. 
 Join me in a talk where I propose a Facilitated 
 Diffusion model that introduces a synergy between 
 1D sliding along the DNA and 3D excursions, producing 
 search times coherent with the empirical data 
 as opposed to impractically long search times 
 predicted by the Classical Diffusion model. I 
 then extend my analysis to 2D diffusion on a square 
 lattice, revealing a linear scaling of mean first 
 passage time (MFPT) derived using Monte-Carlo 
 Statistical Approach. If you like probability, 
 biology or physics, this talk is for you!\n
  \n
 Amir Zarandi\n
 From Labs to Stars: Non-neutral Plasma Confinement 
 in a Magnetic Dipole Trap\n
 Plasma, the elusive fourth state of matter, fuels 
 the fiery hearts of stars and holds the promise 
 of sustainable energy through nuclear fusion on 
 Earth. To harness its potential, we must confine 
 it first. Imagine using a simple magnetic dipole, 
 akin to a bar magnet, to corral charged particles, 
 preventing them from scattering. Achieving this 
 demands precise manipulation of boundary voltages 
 within the chamber. In this pursuit, I delve into 
 defining optimal boundary conditions for equilibrium 
 and stability. Additionally, I explore properties 
 of plasma confined by magnetic fields, such as 
 density and surface instability, laying the groundwork 
 for future observations. Intriguingly, these insights 
 also shed light on the behavior of neutron stars, 
 unveiling connections across cosmic scales.\n\n

LOCATION:Youngchild 121
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