Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Chuck Yeung"'
Autor:
Chuck Yeung, Barry A. Friedman
Publikováno v:
The European Physical Journal E. 45
Publikováno v:
The Review of scientific instruments. 93(3)
We describe a new method for accurately and reproducibly delivering a minute amount of a chemical to a small target in an aqueous environment. Our method is based on a micropipette with a check valve at its tip that can be opened and closed on demand
Publikováno v:
The Physics Teacher. 58:338-339
Measuring the acceleration due to gravity g is a part of most introductory physics classes. A standard method to do so is by using a ticker tape timer. However, frictional forces are usually not included in the analysis even though friction leads to
Autor:
Chuck Yeung
Publikováno v:
Physical Review E. 97
The assumption that the local order parameter is related to an underlying spatially smooth auxiliary field, u(r[over ⃗],t), is a common feature in theoretical approaches to non-conserved order parameter phase separation dynamics. In particular, the
Autor:
Barry Friedman, Chuck Yeung
Publikováno v:
The European Physical Journal E. 21:25-31
We develop a renormalization group approach for cyclizing polymers for the case when chain ends are initially close together (ring initial conditions). We analyze the behavior at times much shorter than the longest polymer relaxation time. In agreeme
Autor:
Barry Friedman, Chuck Yeung
Publikováno v:
Europhysics Letters (EPL). 73:621-627
We study cyclization of polymer chains in which the reactive ends of the chains are initially in close proximity (ring initial conditions). We find a surprising general relation between cyclization with ring and equilibrium initial conditions, namely
Publikováno v:
Biophysical Journal. 89:3615-3627
We use fluorescence correlation spectroscopy and fluorescence recovery after photobleaching to study vesicle dynamics inside the synapses of cultured hippocampal neurons labeled with the fluorescent vesicle marker FM 1–43. These studies show that w
Publikováno v:
The Journal of Chemical Physics. 118:9044-9052
We use a multiscale computational approach to study reactive compatibilization in an immiscible binary AB blend that contains A-like and B-like interacting molecules. These molecules are modeled as spherical particles that react at the A/B interface
Autor:
Chuck Yeung, Kimberly A. Herrmann
Publikováno v:
Macromolecules. 36:229-237
Molecular dynamics simulations of reactive compatibilization of polymer blends are performed for a wide range of chain lengths and densities of reactive groups ρo. We directly observe the predicted diffusive growth as well as the saturation at later
Autor:
Chuck Yeung, Andrew D. Rutenberg
Publikováno v:
Physical Review E. 60:2710-2715
Deterministic coarse-grained descriptions of driven diffusive systems (DDS) have been hampered by apparent inconsistencies with kinetic Ising models of DDS. In the evolution towards the driven steady-state, ``triangular'' anisotropies in the two syst