We describe an algorithm for automatic generation of idealized bead figures from recognizable 3D models (animals, humans, etc.). The bead figures approximate the model by a set of cylindrical shapes threaded onto a skeleton of the model. As such, they provide volumetric shape information in addition to the skeleton. The bead figures can be used by applications requiring a simple and compact des...

the notion of a bead metric space is defined as a nice generalization of the uniformly convex normed space such as $cat(0)$ space, where the curvature is bounded from above by zero. in fact, the bead spaces themselves can be considered in particular as natural extensions of convex sets in uniformly convex spaces and normed bead spaces are identical with uniformly convex spaces. in this paper, w...

The motion of a cylindrical bead in a fluid contained within a two-dimensional channel is investigated using the boundary element method as a model of a biomolecular-motor-powered microfluidics pump. The novelty of the pump lies in the use of motor proteins (kinesin) to power the bead motion and the few moving parts comprising the pump. The performance and feasibility of this pump design is inv...

Cantilever vibration in an optical lever AFM is theoretically analyzed considering the effect of surface force and ambient fluid. The between tip sample modeled using a cantilever with spring damping added to tip, fluid on bead model. amplitude ratios forced were derived by solving equation motion. There are discrepancies ratio from bending theory that obtained through method. reveals dominates...

Due to the fact that many application processes take place at different temperature, better examining and understanding of swelling properties as a function of temperature is essential for such application. The temperature effect on the swelling properties of commercial polyacrylic acid (PAA) hydrogel beads was investigated as a function of time and temperature. Gel bead size, swelling equilibr...

Due to the fact that many application processes take place at different temperature, better examining and understanding of swelling properties as a function of temperature is essential for such application. The temperature effect on the swelling properties of commercial polyacrylic acid (PAA) hydrogel beads was investigated as a function of time and temperature. Gel bead size, swelling equilibr...

Poly(N-isopropylacrylamide) (PNIPAM) linear chains and spherical microgel particles in very dilute aqueous solutions were studied by dynamic laser light scattering (LLS) over a wide range of scattering angles (6-154°). For the linear chains, at x < 1, only one peak related to diffusion was observed in the line-width distribution G(Γ), while for x > 1, we detected a second peak related to intern...

Joon Bok Lee 06/15/2012 CHE 210D – Spring 2012 Glucagon Modeled as a Coarse-Grained Bead-String Polymer Final Project Summary Glucagon and insulin play major roles in regulating blood glucose levels, and people with type 1 diabetes mellitus need exogenous sources of these hormones for survival. One major issue faced by glucagon pumps that automate these exogenous injections is the problem of st...