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The fluorescence-based integrated chemical and enzyme sensor arrays on which two kinds of 10 μm i.d. sensor spots were arranged alternately on one chip, were developed by using microcontact printing. FITC, ruthenium complex and europium tetracycline was stamped onto a DLC sputtered glass slides for pH, oxygen and hydrogen peroxide sensors, respectively. After printing of oxygen sensor spots, pH sensor...
In this paper, we describe an approach for detecting patterns in various size and angle using FPGA. In many approaches, features of a given pattern which are invariant to scaling and/or rotation are defined in advance, and those features are searched in a given image. These approaches make it possible to narrow down the candidate regions with less computational cost, but the sensitivity depends on...
This paper presents efficient algorithms for optimal and suboptimal unconditional maximum likelihood (UML) directions-of-arrival (DOA) finding. In the conventional UML formulation an important condition is missing. That is the non-negative definiteness of the covariance matrix of signal components. Because of the lack of the important condition, inadequate global solution appears in the solution space...
A Network Sort Engine (NSE) that rapidly identifies the highest priority from numerous priorities is indispensable to enable per-flow queuing that supports massive queues in high-speed communications lines. This is because the bottleneck in per-flow queuing is the process to select a single queue to emit a frame from queues that are ready to emit frames; this process leads to sorting issues in identifying...
This paper reports a parallel monitoring method for single cell metabolic and respiration activity by using a microarrayed pH and oxygen sensor. Optical sensor film was prepared by immobilizing fluorescein isothiocyanate (for pH sensor array) or dichlorotris (1,10-phenanthroline) ruthenium (II) (for oxygen sensor array) onto a diamond like carbon sputtered slide glass. Micro well (10 mum i.d.) array...
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