It is established that the compression behavior of gas diffusion layers (GDL) dependent on level mechanical stress it experienced during its lifetime. As a matter fact, every cycle induces damages in GDL, including fibers breakage and/or their spatial reorganization. observed experimental work, first GDLs as received from suppliers already altered by previous applied manufacturing process. This...

Pain frequently accompanies cancer. What remains unclear is why this pain frequently becomes more severe and difficult to control with disease progression. Here we test the hypothesis that with disease progression, sensory nerve fibers that innervate the tumor-bearing tissue undergo a pathological sprouting and reorganization, which in other nonmalignant pathologies has been shown to generate a...

Fiber bundling refers to the process of winding hollow polypropylene fibers onto the central core of a membrane oxygenator. Identifying the various bundling techniques serves to facilitate the clinician's understanding of unique device characteristics and the subsequent manufacturing process. This technical information has been voluntarily provided by the product managers and engineers of curre...

address correspondence to: Dr. Victor Pantojas, Math-Physics Department, Universidad de Puerto Rico en cayey, 205 ave. antonio R. Barceló, cayey, PR 00736. Tel: (787) 738 2162 ext. 3257 • E-mail: [email protected] Scaffolds composed of a mixture of poly (L-lactic) acid (PLLA) and polyethylene glycol (PEG) biodegradable polymers were prepared by electrospinning. Threedimensional scaffolds ...

Electrospinning of Silica Nanofibers: Characterization and Application to Biosensing. (August 2006) Pei-Hsiang Tsou, B.S., National Chiao Tung University, Taiwan Chair of Advisory Committee: Dr. Jun Kameoka Electrospinning is a technique to achieve nanometer scale fibers. Similar to the conventional spin methods of making fabric, the viscous polymer solution is ejected from a spinneret; stretch...

Electrospinning is an effective technique to prepare non-woven fibrous formulations with interesting properties that enable the encapsulation of various pharmaceutical agents. Targeted delivery of drugs, while preventing any side effects or toxicity, still remains a challenge, especially in the cardiovascular field and therefore, nano/ submicron fibers created by electrospinning have been inves...

Efficient physically accurate modeling and rendering of woven cloth at a yarn level is an inherently complicated task due to the underlying geometrical and optical complexity. In this paper, a novel and general approach to physically accurate cloth rendering is presented. By using a statistical volumetric model approximating the distribution of yarn fibers, a prohibitively costly explicit geome...

Guo, Zherui M.S.A.A., Purdue University, August 2014. Transverse Compression of High Performance Ballistic Fibers. Major Professor: Weinong Chen. High performance ballistic fibers have been in use for decades, specifically in protective applications against ballistic impact such as bulletproof vest layers and aircraft turbine engine fragmentation barriers. These high performance fibers have ext...

A new family of mechanochromic photonic-crystal fibers exhibits tunable structural colors under stretching. This novel mechanochromic fiber is prepared by depositing polymer microspheres onto a continuous aligned-carbon-nanotube sheet that has been wound on an elastic poly(dimethylsiloxane) fiber, followed by further embedding in poly(dimethylsiloxane). The color of the fiber can be tuned by va...

Defects are generated in woven fabric due to improper treatments in weaving machines, spinning errors and inadequate preparations of fiber at the spinning stage. The economic viability of a weaving plant is significantly influenced by the extent of its success in eliminating defects in fabric. Detection of defects is generally carried out by time consuming and tedious human inspection. Such man...