gebhart/patrepeval huggingface dataset:
Fusion of color images and LiDAR data for lane classification (2015)

Lane classification is a fundamental problem for autonomous driving and map-aided localization. Many existing algorithms rely on special designed 1D or 2D filters to extract features of lane markings from either color images or LiDAR data. However, these handcrafted features could not be robust under various driving and lighting conditions.
Optically Controlled Cell Discrimination and Trapping Using Optoelectronic Tweezers (2007)

Optoelectronic tweezers (OET) provide a powerful tool for the manipulation of micro- and nanoparticles. The OET device produces an optically controlled dielectrophoretic force, allowing complex dynamic manipulation patterns using light intensities up to 100 000 times lower than that of optical tweezers. Using OET, we demonstrate the separation of live and dead human B cells, and the separation of HeLa and Jurkat cells. We also present, for the first time, a modified single-sided OET device that promises to facilitate the integration of OET and microfluidics. Unlike standard OET, this single-sided OET device produces electric fields that are oriented parallel to the plane of the device. We demonstrate the manipulation of polystyrene beads using this new single-sided OET device, and discuss its capabilities
An Algorithm for Detaching Technical Losses from Non-Technical Losses in Distribution Systems (2021)

Electric energy losses in the power grid are divided into technical and non-technical losses. Examples of non-technical losses include losses that are caused by non-technical sources such as tampering with metering units, attacking the smart metering communication infrastructure, tapping service cable, and malfunction of metering unit. To be able to identify and estimate the non-technical losses (NTL), it is required to determine the technical losses (TL) first. This work aims to propose an algorithm that features two main functions: estimating the actual power losses when the measurements of the smart meters are wrong, and estimating the power consumed due to sources of NTL other than a meter in error (e.g., unregistered consumer tapping a service cable). The algorithm is being tested using simulations to verify the effectiveness of the algorithm in identifying NTL accurately by determining TL.
Identification of an<i>opd</i>(Organophosphate Degradation) Gene in an<i>Agrobacterium</i>Isolate (2002)

We isolated a bacterial strain, Agrobacterium radiobacter P230, which can hydrolyze a wide range of organophosphate (OP) insecticides. A gene encoding a protein involved in OP hydrolysis was cloned from A. radiobacter P230 and sequenced. This gene (called opdA) had sequence similarity to opd, a gene previously shown to encode an OP-hydrolyzing enzyme in Flavobacterium sp. strain ATCC 27551 and Brevundimonas diminuta MG. Insertional mutation of the opdA gene produced a strain lacking the ability to hydrolyze OPs, suggesting that this is the only gene encoding an OP-hydrolyzing enzyme in A. radiobacter P230. The OPH and OpdA proteins, encoded by opd and opdA, respectively, were overexpressed and purified as maltose-binding proteins, and the maltose-binding protein moiety was cleaved and removed. Neither protein was able to hydrolyze the aliphatic OP malathion. The kinetics of the two proteins for diethyl OPs were comparable. For dimethyl OPs, OpdA had a higher k(cat) than OPH. It was also capable of hydrolyzing the dimethyl OPs phosmet and fenthion, which were not hydrolyzed at detectable levels by OPH.
A novel design technique of NRD guide bend (2005)

Abstract In NRD guide circuit technologies, 90 ° and 180 ° bends are often used. However, due to the generation of unwanted parasitic modes, the radius of curvature of an optimum bend can take only discrete values, and this limitation has been a bottleneck for the design of NRD guide circuits. In order to resolve this problem, the theory of NRD guide bends has been reconsidered. It has been found that the radius of curvature of the bend can be designed arbitrarily if the phase‐constant difference (Δβ) between the unwanted LSE mode and the operating LSM mode is made variable. In this paper, as a way to make Δβ variable, the placement of a metal rod or a ring in close proximity to the bend is studied. The investigation results in a new kind of NRD guide bend. Since the transmission characteristics are degraded by a small air gap between the dielectric and metal, a method is proposed for improvement of the characteristics by filling the gap with dry‐hardening liquid dielectric materials (such as enamel). © 2005 Wiley Periodicals, Inc. Electron Comm Jpn Pt 2, 88(11): 37–43, 2005; Published online in Wiley InterScience ( www.interscience.wiley.com ). DOI 10.1002/ecjb.20114
Automated Generation of Built-In Self-Test and Measurement Circuitry for Mixed-Signal Circuits and Systems (2009)

This paper presents a software based approach for automatic generation of digital circuitry for synthesis and incorporation in a mixed-signal circuit or system to provide built-in self-test (BIST) and measurement of the analog circuitry. The measurements supported by the BIST circuitry include frequency response (both gain and phase), linearity and noise figure. The measurements provide analog functional testing as well as the basis for on-chip compensation to improve yield during manufacturing and performance during system operation.
Molecular Cloning and Functional Expression of the Rat 175-kDa Hyaluronan Receptor for Endocytosis (2002)

We recently purified the rat liver hyaluronan receptor for endocytosis (HARE) and found abundant expression of 175- and approximately 300-kDa HARE species in sinusoidal endothelial cells of the liver, spleen, and lymph nodes. We report herein the first cloning and functional expression of the rat 175-kDa HARE. Peptide sequences were obtained from the purified 175-kDa HARE, and degenerate oligonucleotide primers were designed for reverse transcription-polymerase chain reaction and cDNA cloning. Results of 5'-rapid amplification of cDNA ends, Northern analysis, N-terminal sequence, and antibody reactivity analyses indicated the absence of mRNA directly encoding the 175-kDa HARE. This protein is most likely derived from a larger precursor. Accordingly, we constructed an artificial 4.7-kb cDNA encoding the 1431 amino acid 175-kDa HARE. The predicted type I membrane protein has a mass of 156,393 Da and a pI of 7.86. The 175-kDa HARE cDNA, fused to the N-terminal leader sequence of the Ig kappa-chain, was transfected transiently into COS-7 cells and stably into SK-Hep-1 cells, respectively, to assess hyaluronan or hyaluronic acid (HA)-binding activity and endocytosis. In both cases, HARE expression and HA-binding activity were detected. Furthermore, stable SK-175HARE cells demonstrated specific endocytosis of (125)I-HA and receptor recycling. Fluorescence-activated cell sorting analysis confirmed that recombinant HARE was expressed on the cell surface and that fluorescent HA uptake was inhibited by a specific blocking monoclonal antibody against HARE. Additionally, HARE was substantially colocalized with clathrin, but not with internalized HA that was delivered to lysosomes. The results confirm that recombinant 175-kDa HARE is an authentic endocytic receptor for HA and that this receptor can function independently of the approximately 300-kDa HARE. HARE is the first functionally identified member of a protein family that shares a similar organization of Fasciclin, epidermal growth factor-like, Xlink, and transmembrane domains.
Development of ion attachment mass spectrometry and its applications (2004)

有機成分をフラグメントフリーで計測できるイオン付着質量分析法について総合的に報告した．まず，装置の説明とLi＋付着によるイオン化メカニズムを考察した後，計測特性について詳述し，検出限界1 v/v ppb•10－16 mol/s以下，リニアリティ6けた以上などが示されている．次に，特長となっている直接導入による熱不安定物質・熱分解ガス・排ガス・中性活性種あるいは同族体・金属錯体などへの応用例を紹介した．また，低圧・小流量・高速応答により真空プロセスやガスクロマトグラフ（GC）結合に好適な新機種の装置と応用例が示されている．最後に，今後の新展開として，検出限界や装置サイズなどの技術課題とその対策案，及びこれらの達成時に期待される“ダイレクト&リアルタイムGC/MS”とも言うべき前処理なし・GCなしの直接測定・現場測定などの新展開について述べた．
Synthesis of novel and functionally selective non‐competitive muscarinic antagonists as chemical probes (2017)

Muscarinic receptors are known to play important biological roles and are drug targets for several human diseases. In a pilot study, novel muscarinic antagonists were synthesized and used as chemical probes to obtain additional information of the muscarinic pharmacophore. The design of these ligands made use of current orthosteric and allosteric models of drug-receptor interactions together with chemical motifs known to achieve muscarinic receptor selectivity. This approach has led to the discovery of several non-competitive muscarinic ligands that strongly bind at a secondary receptor site. These compounds were found to be non-competitive antagonists that completely abolished carbachol activation in functional assays. Several of these compounds antagonized functional response to carbachol with great potency at M<sub>1</sub> and M<sub>4</sub> than at the rest of receptor subtypes.
Measurement and comparison of potentiometric selectivity coefficients of urea biosensors based on ammonium ion-selective electrodes (2005)

This study analyzes the selectivity of a potentiometric urea biosensor prepared by immobilizing of urease directly onto the surface of an ammonium ion-selective electrode. In this investigation, using the entrapment method, the urease enzyme was immobilized onto the carboxylated polyvinylchloride (PVC-COOH) membrane surface of an ion-selective electrode containing nonactin as an ionophore and a tin oxide (SnO/sub 2/) thin film. To describe the characteristics of the selectivity of urea biosensors based on ammonium ion-selective electrodes, the determinations of potentiometric selectivity coefficients (K/sup pot//sub i,j/) of the urea biosensor in different univalent interfering ions were presented in a sample solution of pH 7.5. Using the separate solution method and fixed interference method (FIM) for determining selectivity coefficients, this investigation considers and discusses the influence of the urea biosensors preference on the primary ions relative to interfering ions of the same charge number. The observation results indicate that FIM is the proper method for calculating the selectivity coefficients of the ammonium ISE-based urea biosensors.
Low-loss plastic optical fibers (1981)

Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text Toshikuni Kaino, Michiya Fujiki, Shigeru Oikawa, and Shigeo Nara, "Low-loss plastic optical fibers," Appl. Opt. 20, 2886-2888 (1981) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article
Recent advances in optoelectronic oscillators and quantum microwave photonics (2021)

An optoelectronic oscillator (OEO) is a representative microwave photonic system with a closed optoelectronic feedback loop to produce highly stable microwave signals. In addition to the generation of ultra-low phase noise single-frequency microwave signals based on narrowband filters, several novel mode-control schemes have been proposed and demonstrated recently for the generation of single-frequency and other types of microwave signals. Chip-scale integration of OEOs has also been demonstrated to further reduce its size and power consumption. As an emerging research field, quantum microwave photonics has also been explored very recently to boost the performance of traditional microwave photonic systems by harnessing the advantages of quantum technology, such as high sensitivity and wide processing bandwidth. Here we review recent advances in OEOs and quantum microwave photonics, including Fourier domain mode-locked OEO, parity-time symmetric OEO, optoelectronic parametric oscillator, broadband random OEO, photonic integrated OEO and quantum microwave photonic systems for signal detection, processing and sensing.
Stereoregularity in poly[methyl(3,3,3‐trifluoropropyl)siloxane] (1994)

Abstract Anionic ring‐opening polymerization of the cis and trans isomers of 1,3,5‐trimethyl‐1,3,5‐tris(3′,3′,3′‐trifluoropropyl)cyclotrisiloxane ( cis ‐ and trans ‐F 3 ) and their mixtures was conducted under conditions that suppressed siloxane bond redistribution in order to preserve stereoregularity formed in the resulting poly[methyl(3,3,3‐trifluoropropyl)siloxane] (PMTFPS). Proton decoupled 19 F NMR of the resulting polymers was interpreted by assuming that the original stereoconfiguration of the monomer was preserved and that the monomer inserted with a roughly equal probability of forming meso or racemic configurations relative to the configuration of the reacting chain end. Polymers from cis ‐F 3 were solid and crystalline at room temperature while the more typical polymers from mixtures of isomers containing greater than 50% trans ‐F 3 were liquid and amorphous.
Failure handling for transaction hierarchies (2002)

Previously, failure recovery mechanisms have been developed separately for nested transactions and for transactional workflows specified as "flat" flow graphs. The paper develops unified techniques for complex business processes modeled as cooperative transaction hierarchies. Multiple cooperative transaction hierarchies often have operational dependencies, thus a failure occurring in one transaction hierarchy may need to be transferred to another. The existing transaction models do not support failure handling across transaction hierarchies. The authors introduce the notion of transaction execution history tree which allows one to develop a unified hierarchical failure recovery mechanism applicable to both nested and flat transaction structures. They also develop a cross-hierarchy undo mechanism for determining failure scopes and supporting backward and forward failure recovery over multiple transaction hierarchies. These mechanisms form a structured and unified approach for handling failures in flat transactional workflows, along a transaction hierarchy, and across transaction hierarchies.
Taste cell-expressed α-glucosidase enzymes contribute to gustatory responses to disaccharides (2016)

The primary sweet sensor in mammalian taste cells for sugars and noncaloric sweeteners is the heteromeric combination of type 1 taste receptors 2 and 3 (T1R2+T1R3, encoded by Tas1r2 and Tas1r3 genes). However, in the absence of T1R2+T1R3 (e.g., in Tas1r3 KO mice), animals still respond to sugars, arguing for the presence of T1R-independent detection mechanism(s). Our previous findings that several glucose transporters (GLUTs), sodium glucose cotransporter 1 (SGLT1), and the ATP-gated K(+) (KATP) metabolic sensor are preferentially expressed in the same taste cells with T1R3 provides a potential explanation for the T1R-independent detection of sugars: sweet-responsive taste cells that respond to sugars and sweeteners may contain a T1R-dependent (T1R2+T1R3) sweet-sensing pathway for detecting sugars and noncaloric sweeteners, as well as a T1R-independent (GLUTs, SGLT1, KATP) pathway for detecting monosaccharides. However, the T1R-independent pathway would not explain responses to disaccharide and oligomeric sugars, such as sucrose, maltose, and maltotriose, which are not substrates for GLUTs or SGLT1. Using RT-PCR, quantitative PCR, in situ hybridization, and immunohistochemistry, we found that taste cells express multiple α-glycosidases (e.g., amylase and neutral α glucosidase C) and so-called intestinal "brush border" disaccharide-hydrolyzing enzymes (e.g., maltase-glucoamylase and sucrase-isomaltase). Treating the tongue with inhibitors of disaccharidases specifically decreased gustatory nerve responses to disaccharides, but not to monosaccharides or noncaloric sweeteners, indicating that lingual disaccharidases are functional. These taste cell-expressed enzymes may locally break down dietary disaccharides and starch hydrolysis products into monosaccharides that could serve as substrates for the T1R-independent sugar sensing pathways.
Fluorinated Silica Gels Doped with TPAP as Effective Aerobic Oxidation Catalysts in Dense Phase Carbon Dioxide (2004)

Abstract Hybrid organic‐inorganic fluorinated silica glasses doped with the ruthenium species TPAP (tetra‐n‐propylammonium perruthenate) are effective catalysts for the aerial oxidation of benzyl alcohol to benzaldehyde in dense phase CO 2 . Moderate silica fluorination (10%) by short‐chain fluoroalkyl‐containing monomers in the sol‐gel polycondensation with TMOS affords highly active catalysts which at 75 °C and 220 bar selectively dehydrogenate the alcohol with oxygen as primary oxidant. Both the activity and the stability of the fluorinated materials vary with the degree of fluorination and the nature of the fluoroalkyl residue attached to the silica polymeric network. An explanation of the behaviour of doped sol‐gel oxides in supercritical carbon dioxide is proposed which is thought to be of general validity for future practical applications to heterogeneously catalysed aerobic oxidations eliminating the current need for both organic solvents and stoichiometric oxidants.
NMR data collection and analysis protocol for high-throughput protein structure determination (2005)

A standardized protocol enabling rapid NMR data collection for high-quality protein structure determination is presented that allows one to capitalize on high spectrometer sensitivity: a set of five G-matrix Fourier transform NMR experiments for resonance assignment based on highly resolved 4D and 5D spectral information is acquired in conjunction with a single simultaneous 3D 15N,13C(aliphatic),13C(aromatic)-resolved [1H,1H]-NOESY spectrum providing 1H-1H upper distance limit constraints. The protocol was integrated with methodology for semiautomated data analysis and used to solve eight NMR protein structures of the Northeast Structural Genomics Consortium pipeline. The molecular masses of the hypothetical target proteins ranged from 9 to 20 kDa with an average of approximately 14 kDa. Between 1 and 9 days of instrument time were invested per structure, which is less than approximately 10-25% of the measurement time routinely required to date with conventional approaches. The protocol presented here effectively removes data collection as a bottleneck for high-throughput solution structure determination of proteins up to at least approximately 20 kDa, while concurrently providing spectra that are highly amenable to fast and robust analysis.
Authenticated communication from Quantum Readout of PUFs. (2016)

<p>Quantum readout of physical unclonable functions (PUFs) is a recently introduced method for remote authentication of objects. We present an extension of the protocol to enable the authentication of data: A verifier can check if received classical data were sent by the PUF holder. We call this modification QR-d or, in the case of the optical-PUF implementation, QSA-d. We discuss how QSA-d can be operated in a parallel way. We also present a protocol for authenticating quantum states.</p>
Direct sequence spread spectrum CDMA in shared spectrum applications (1991)

Personal Communication Network (PCN) is an entirely wireless communication system with the capability of assessing the wired telephone system to reach anyone processing only a wired telephone. It is expected to compete with the existing mobile cellular system which connects directly to the wired telephone system. While many PCN systems employ TDMA technology, the PCN system described here uses Broadband CDMA (BCDMA(sup SM)) which is capable of sharing the spectrum with other users and which is extremely resistant to fading caused by multipath.
Macrocyclic organo-peptide hybrids (MOrPHs): synthesisand application toward the inhibition of protein-proteininteractions (2014)

Thesis (Ph. D.)--University of Rochester. Dept. of Chemistry, 2014.
Automatic Retrospective Translational Motion Correction in Image Space (2003)

A. Manduca, L. M. Kiessel, D. S. Lake, R. L. Ehman Mayo Clinic, Rochester, MN, United States Synopsis Automatic retrospective motion correction algorithms based on iterative optimization of an image quality measure have been demonstrated in a variety of MRI acquisitions. These algorithms are computationally intensive and may require several minutes per image or more. One computational bottleneck is the need for an inverse FFT at each iteration to reconstruct and evaluate the image. We describe a method for performing the iterative search primarily in image space, greatly reducing the number of FFTs required. This can significantly increase the computational speed, particularly when the evaluation is performed only on a sub-region of the image.
As-Grown Deposition of Superconducting MgB2 Thin Films by Multiple-Target Sputtering System (2002)

As-grown superconducting MgB2 thin films were prepared using a multiple-target sputtering system. The targets were pure B and Mg metal. The MgB2 thin films were deposited at substrate temperatures (Ts) ranging from 207°C to 268°C on Al2O3 (1102) substrates. We found that the critical temperatures (Tc) of the films were increased with increase of the Ts. The film grown at a Ts of 252°C showed the highest Tc,onset value of 27.8 K and had a sharp transition (ΔTc=0.5 K) in the resistivity.
Compact, low-loss and broadband photonic crystal circulator based on a star-type ferrite rod (2017)

We propose and investigate a compact, low-loss and broadband circulator based on a star-type ferrite rod in two-dimensional square-lattice photonic crystals. Only one ferrite rod is required to be inserted in our structure. Firstly, the performances of circulator based on the star-type, circle, and square ferrite rod are compared, showing that the circulator with the star-type ferrite rod performs better than the other two ones. And then, based on the star-type ferrite rod circulator, four cases of improvement, in which the background rods around the center ferrite rod are replaced respectively by the backward-triangle, forward-triangle, backward-semicircle, and forward-semicircle rods, are investigated to modulate the coupling between the center magneto-optical micro-cavity and the corresponding waveguides. The results show that, with proper parameters, all the four cases can greatly improve the output properties of the circulator, and different cases have its own advantages. The mechanism behind these improvements is also discussed. Finite-element method is used to calculate the characteristics of the circulator and Nelder-Mead optimization method is employed to obtain the optimized parameters. The ideas presented here are useful for designing broadband, low insertion loss, and high-isolation circulators which have potential application in integrated photonic crystal devices.
Optimal Distance Estimation Between Compressed Data Series (2012)

Most real-world data contain repeated or periodic patterns. This suggests that they can be effectively represented and compressed using only a few coefficients of an appropriate complete orthogonal basis (e.g., Fourier, Wavelets, Karhunen-Love expansion or Principal Components).