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Lab-on-a-chip (LOC) and other microfluidic devices for medical applications need to be mass produced at a low fabrication cost because the disposable device is destroyed after a single use to avoid sample contamination. In this paper, a new method for rapidly fabricating metallic micromold masters for manufacturing large volumes of polymeric microfluidic(More)
A low cost manufacturing method for creating polymer microfluidic devices with microfeatures that have near optical surface quality is described in this paper. The manufacturing method involves laser micromachining, partial hot embossing, and molding (LHEM) to create polymethylmethacrylate (PMMA) mold masters for device replication. A metallic hot intrusion(More)
The distribution pattern and the function of blood immune cells were investigated for 10 weeks in three mixed-sex colonies of Long Evans rats. After colony formation, a despotic dominance system was established between the males. This paper focuses on differences between subdominant colony and pair-housed control males. A reduced body mass development and(More)
A photoreceptor array that exploits the light sensitive bacteriorhodopsin (bR) films has been manufactured on a flexible indium-tin-oxide (ITO) coated plastic film using electrophoretic sedimentation technique (EPS). The effective sensing area of each photoreceptor is 2 × 2 mm<sup>2</sup>, separated by 1 mm and arranged in a 4 × 4 array. A switched(More)
Microgripping systems incorporate miniature end grasping tools to manipulate micro-sized objects such as tiny mechanical parts, electrical components, biological cells, and bacterium. A thorough understanding of the system's dynamic behaviour, including the gripper force and tip displacement, is essential for successfully handling these micro-objects. In(More)
High-performance optical communication networks require stable switches to rapidly redirect a light beam from one port, or fiber, to another without converting the optical signal into an electrical signal. Micro-electromechanical (MEMS) optical switches are miniature devices that use tiny mirrors to alter the path of light. These switches enable all-optical(More)
The fabrication of dry ultrathin photoelectric layers is described in this paper. The self-assembled monolayer of oriented purple membrane (PM) patches from bacteriorhodopsin (bR) is created on a bio-functionalized gold (Au) surface using a biotin molecular recognition technique. The biotin enables the extracellular side of the bR PMs to be accurately(More)
Regulating the directional flow of very small quantities of fluid along narrow microchannels has been an on-going challenge for Lab-on-a-Chip (LOC) technologies. The control and precise delivery of minute quantities of liquid is often accomplished by an externally controlled microvalve. A thin porous photoelectric film that controls the expansion and(More)
Summary form only given. A neural-like layer with dynamic mechanisms employed in the processing of continually changing visual images is discussed. The information embedded in the visual image is assumed to be dynamic in both space and time. The processing of information by dynamic mechanisms is imperative because a conventional static vision system fails(More)