gebhart/patrepeval huggingface dataset:
Triphase catalysis (1975)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTTriphase catalysisSteven L. RegenCite this: J. Am. Chem. Soc. 1975, 97, 20, 5956–5957Publication Date (Print):October 1, 1975Publication History Published online1 May 2002Published inissue 1 October 1975https://pubs.acs.org/doi/10.1021/ja00853a074https://doi.org/10.1021/ja00853a074research-articleACS PublicationsRequest reuse permissionsArticle Views402Altmetric-Citations147LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
An LTPS TFT Demodulator for RFID Tags Embeddable on Panel Displays (2009)

This paper presents an amplitude-shift-keying (ASK) demodulator for RF identification tags, which can be embedded on panel displays. The ASK demodulator was implemented in 3-mum low-temperature polycrystalline silicon (LTPS) thin-film transistor (TFT) technology. Since the threshold voltages of LTPS TFTs are higher than CMOS transistors, the conventional demodulator implementation will degrade the demodulator sensitivity significantly. The novel full-wave demodulator circuit was proposed to resolve the issue of high threshold voltage and reduce the ripples of the demodulated envelope. Operated at 8 V, the demodulator consumes 1.6 mW of power. The input carrier frequency was tested up to 13.56 MHz, and the highest ASK modulated data rate is 100 kb/s. The circuit size of the LTPS TFT demodulator is 500 mum times 450 mum.
Fuzzy expert rule-based airborne monitoring of ground vehicle behaviour (2012)

This paper proposes an airborne monitoring methodology of ground vehicle behaviour based on a fuzzy logic to identify suspicious or abnormal behaviour reducing the workload of human analysts. With the target information acquired by unmanned aerial vehicles, ground vehicle behaviour is firstly classified into representative driving modes and then a string pattern matching theory is applied to detect pre-defined suspicious behaviours. Furthermore, to systematically exploit all available information from a complex environment and confirm the characteristic of behaviour, a fuzzy rule-based decision making is developed considering spatiotemporal environment factors as well as behaviour itself. To verify the feasibility and benefits of the proposed approach, numerical simulations on moving ground vehicles are performed using both synthetic and realistic car trajectory data.
Programming Windows with MFC (with CD-ROM), Second Edition (1999)

From the Publisher:
Newly updated and expanded edition of this important title for all 32-bit Windows platforms, including Microsoft Windows NT. For developers who want to understand and profit from the advances in C++ and the Microsoft Foundation Class(MFC) library. Topics include MFC basics, the document/view architecture, and ActiveX and OLE. A wealth of concepts, techniques, and keen insights. 
Experience Level: Intermediate/ Advanced
Blind Extraction of Dominant Target Sources Using ICA and Time-Frequency Masking (2006)

This paper presents a method for enhancing target sources of interest and suppressing other interference sources. The target sources are assumed to be close to sensors, to have dominant powers at these sensors, and to have non-Gaussianity. The enhancement is performed blindly, i.e., without knowing the position and active time of each source. We consider a general case where the total number of sources is larger than the number of sensors, and neither the number of target sources nor the total number of sources is known. The method is based on a two-stage process where independent component analysis (ICA) is first employed in each frequency bin and then time-frequency masking is used to improve the performance further. We propose a new sophisticated method for deciding the number of target sources and then selecting their frequency components. We also propose a new criterion for specifying time-frequency masks. Experimental results for simulated cocktail party situations in a room, whose reverberation time was 130 ms, are presented to show the effectiveness and characteristics of the proposed method
On timing and frequency offset estimation in OFDM systems (2004)

We suggest some modifications in the algorithms used for estimation of symbol timing and carrier frequency offset (CFO) in orthogonal frequency division multiplexing (OFDM)-based wireless local area networks (WLANs) using the preamble specified by the 802.11 standardization group. For timing estimate we suggest a modification in the decision variable, which would reduce the uncertainty in the estimate, and for CFO we suggest the use of a repetitive correlation algorithm for higher operating range and at the same time better precision. We present the computer simulations to demonstrate the effectiveness of our suggestions.
Identification and use of an alkane transporter plug-in for applications in biocatalysis and whole-cell biosensing of alkanes (2014)

Effective application of whole-cell devices in synthetic biology and biocatalysis will always require consideration of the uptake of molecules of interest into the cell. Here we demonstrate that the AlkL protein from Pseudomonas putida GPo1 is an alkane import protein capable of industrially relevant rates of uptake of C7-C16 n-alkanes. Without alkL expression, native E.coli n-alkane uptake was the rate-limiting step in both the whole-cell bioconversion of C7-C16 n-alkanes and in the activation of a whole-cell alkane biosensor by C10 and C11 alkanes. By coexpression of alkL as a transporter plug-in, specific yields improved by up to 100-fold for bioxidation of >C12 alkanes to fatty alcohols and acids. The alkL protein was shown to be toxic to the host when overexpressed but when expressed from a vector capable of controlled induction, yields of alkane oxidation were improved a further 10-fold (8 g/L and 1.7 g/g of total oxidized products). Further testing of activity on n-octane with the controlled expression vector revealed the highest reported rates of 120 μmol/min/g and 1 g/L/h total oxidized products. This is the first time AlkL has been shown to directly facilitate enhanced uptake of C10-C16 alkanes and represents the highest reported gain in product yields resulting from its use.
The Rationale for Photobiomodulation Therapy of Vaginal Tissue for Treatment of Genitourinary Syndrome of Menopause: An Analysis of Its Mechanism of Action, and Current Clinical Outcomes (2019)

<b><i>Objective:</i></b> Light, particularly in the visible to far-infrared spectrum, has been applied to the female genital tract with lasers and other devices for nearly 50 years. These have included procedures on both normal and neoplastic tissues, management of condylomata, endometriosis, and menometrorrhagia, and, more recently, a number of fractional laser devices have been applied for the management of genitourinary syndrome of menopause (GSM) and stress urinary incontinence (SUI), and to achieve so-called vaginal rejuvenation. Photobiomodulation therapy (PBMT) has been proposed as an alternative for use in managing GSM and SUI. <b><i>Methods:</i></b> This article reviews the biological basis, symptoms, and management of GSM, and investigates the current status and rationale for the use of PBMT. <b><i>Results and conclusions:</i></b> Based on the preliminary evidence available, PBMT is safe and appears to be efficacious in treating GSM.
Nanostructured effective-index micro-optical devices based on blazed 2-D sub-wavelength gratings with uniform features on a variable-pitch (2008)

Sub-wavelength two-dimensional gratings are formed by etching holes into silicon using DRIE followed by thermal oxidation. Smoothly graded effective index blazing is possible using uniform holes on a variable grating pitch, exhibiting minimal etch lag.
PbTiO/sub 3/ thin films for pyroelectric detection (2002)

Due to its high pyroelectric coefficient, low permittivity and relatively low piezoelectric coefficients, lead titanate is an important candidate for use in pyroelectric detectors. Sol-gel processing of lead titanate thin films, in combination with micro-machining of silicon substrates, is being used for the development of low-cost infra-red detectors with properties equivalent to existing "bulk" or single crystal devices. Here we report on some aspects of the sol-gel chemistry, the optimisation of the pyroelectric figure of merit and the fabrication and characterisation of an infra-red detector, consisting of two pyroelectric elements on a micro-machined SiO/sub 2/-Si/sub 3/N/sub 4/ membrane.
A study of direction's impact on single-handed thumb interaction with touch-screen mobile phones (2014)

This study is aimed to investigate how the performance of thumb interaction with touch-screen mobile devices via double tap and swipe varies with movement directions of the thumb. A target selection game was used in an empirical study to evaluate users' performance of direction-oriented movements by a thumb on a touch-screen mobile phone in single-handed interaction. The results revealed that single-handed swipe outperformed double tap in terms of speed and accuracy. In addition, angle intervals of thumb moving directions influenced thumb movement accuracy, although there was no significant difference in speed among targets presented with three intervals. Particularly, directions with a 36o interval resulted in the most error-prone task selection for swipe and double tap, and directions with a 45o interval were more error-prone than directions with a 60o interval. Finally, directions of thumb movement did not influence how quickly users could perform double tap or swipe in the areas that were comfortable for the thumb, but they had impact on the accuracy of the two operations. The findings of this study provide new insights for research on single-handed interaction and can be used as guidelines to optimize the design of direction-based applications and interfaces for touch-screen mobile phones.
Emergence of a <i>Candida krusei</i> Isolate with Reduced Susceptibility to Caspofungin during Therapy (2006)

Clinical failure associated with reduced susceptibility to caspofungin has been described in Candida albicans and C. parapsilosis. We report a case of Candida krusei infection that progressed despite caspofungin therapy. Reduced microbial susceptibility to all three echinocandins (caspofungin, anidulafungin, and micafungin) was noted but was not associated with mutations in FKS1.
Development of an electrostatic ion guide in chemical ionization mass spectrometry (1998)

An electrostatic ion guide has been developed to transmit externally formed ions in chemical ionization mass spectrometry. Transport of ions over a distance of ten or more cm is accomplished with a high efficiency. Our design of the ion guide allows efficient separation of ion from neutral molecules, which provides a relatively simple means to significantly increase the detection sensitivity in chemical ionization mass spectrometry.
Characterization of human platelet basic protein, a precursor form of low-affinity platelet factor 4 and .beta.-thromboglobulin (1986)

Platelet basic protein (PBP) was purified from the supernatant of thrombin-stimulated, washed human platelets by ion-exchange, affinity, molecular sieve, and high-performance liquid chromatography (HPLC). The NH2-terminal amino acid sequence was determined by automated Edman degradation, revealing 9 unique residues followed by 10 residues of the established low-affinity platelet factor 4/beta-thromboglobulin (LA-PF4/beta TG) sequence. Among the nine were three basic residues, accounting for the high isoelectric point of PBP. Additional evidence for precursor status includes the immunological cross-reactivity of all three species and the ability of plasmin and trypsin to produce from PBP a species resembling beta TG in charge, hydrophobicity, and size. Tryptic peptide maps of PBP and LA-PF4 obtained by reverse-phase HPLC were very similar, and from each protein, a peptide was isolated which showed the amino acid composition predicted for the COOH-terminal tryptic peptide of beta TG. Normal platelets contained predominantly LA-PF4, with PBP ranging from 10% to 30% of total beta TG antigen. This was true even when fresh platelets were lysed with trichloroacetic acid in order to provide the most complete and rapid inhibition of proteolytic activity. beta TG itself was never detected in this situation or in the release supernatant of stimulated platelets, and only rarely in unprotected lysates. In agreement with earlier results, crude preparations of PBP were mitogenic for 3T3 cells, but highly purified preparations of PBP and LA-PF4 were free of this activity.
Cis-1,4-Polyisoprene Rubber by Alkyl Lithium Initiated Polymerization (1961)

Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter LinkedIn Tools Icon Tools Get Permissions Cite Icon Cite Search Site Citation Hugh E. Diem, Harold Tucker, C. F. Gibbs; Cis-1,4-Polyisoprene Rubber by Alkyl Lithium Initiated Polymerization. Rubber Chemistry and Technology 1 March 1961; 34 (1): 191–199. doi: https://doi.org/10.5254/1.3540189 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest Search
Real-Time Keratometer (1988)

Optical/electronic keratometer system produces contour map of corneal surface illuminated by infrared light pulses. Prevents operator error and eliminates need to apply fluorescent liquids to cornea. Keratometer provides both video display and numerical recording for corneal-transplant and radial-keratotomy surgery and for contact-lens fitting. Optical system of keratometer, circular grating pattern transmitted to corneal surface reflected onto identical circular grating on surface of fiber plate, producing Moire pattern. Data-analysis-and-display mode, laser light pulsed, and Moire pattern converted to digital information in frame grabber. Digital picture information sent to computer for processing and display.
Fiber-optic 40-GHz mm-wave link with 2.5-Gb/s data transmission (2005)

A broad-band millimeter-wave (mm-wave) transmission link for downstream transmission is investigated. The mm-wave carrier is created by a dual-frequency optical source based on suppressed-carrier double-sideband modulation of a narrow linewidth laser. The optical sidebands generated in the modulation are divided into two separate fibers by filtering with fiber Bragg gratings. One of the waves is modulated with baseband data up to 2.5 Gb/s. The fibers are combined and connected with the base station (BS) via a single-mode fiber. At the BS, the mm-wave modulated signal with data is created with a wide bandwidth photodetector through heterodyne mixing of the two optical waves. This mm-wave signal is amplified and transmitted to the mobile unit, where the reception is performed using self-homodyne mixing, in order to ensure carrier frequency independence. Error-free data transmission was demonstrated for the downlink after 44 km of single-mode optical fiber.
SODIUM AND POTASSIUM SENSORS BASED ON SEPARATED EXTENDED GATE FIELD EFFECT TRANSISTOR (2009)

A double potassium and sodium ions sensor based on separated extended gate field effect transistor (SEGFET) and a new entrapment method are proposed in this study. Having high sensitivity, reproducibility, and a simple manufacturing process, the sensors are quickly able to supply information and detect human blood within an abnormal range. The sensing membranes were fabricated using a Poly(vinyl chloride) carboxylated (PVC-COOH) matrix; sodium ionophore (B12C4) or potassium ionophore (valinomycin). The sensitivity of ion-selective biosensors is 42.55 mV/decade for Na + between 1 M and 10 -7 M, 42.75 mV/decade for K + between 1 M and 10 -6 M.
Modeling, analysis, and visualization of nonrigid object motion (2002)

A research project initiated to study the modeling, analysis, and visualization of nonrigid motion in terms of three important types of objects-heart, human face/head, and fluid-is discussed. Attention is given to modeling and analysis of heart wall motion, human face/head motion analysis and synthesis in model-based image compression, and the evolution of coherent structures in fluid motion. It is believed that techniques from computer vision, can be useful for solving these problems. In particular, the following computer vision techniques appear relevant: 3-D solid modeling, motion estimation, curvature analysis, shape from shading, relational structures, model-based systems, aspect graphs, and silhouette-slide theorems. The goal of the research is to develop concepts, methodologies, and techniques that will be widely applicable to many types of nonrigid motion.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
3D-CT guided percutaneous radiofrequency ablation against advanced lung cancer: short term effect assessment (2010)

Objective Under the guidance of CT and three dimensional reconstruction, we made therapeutic plan for lung cancer by radiofrequency ablation (RFA) and observed its effect. Methods From February 2007 to January 2009, we used RITA radiofrequency therapeutic equipment to treat lung cancer under the guidance of 64-slice spiral CT (Siemens) and three dimensional reconstruction of the image. The target temperature is 90℃. Results We performed 29 RFA on 25 patients. In the follow-up, 10 of them showed tumor shrinkage by CT scan. 23 showed lack of tumor-uptake value by SPECT scan and 2 showed lower tumor-uptake value. Conclusion CT-guided percutaneous RFA is safe and practical for lung cancer. It has satisfactory short-term effect to reduce tumor burden.

Key words: 
Lung neoplasms; Catheter ablation
Synthesis of fiber-optic delay line filters (1995)

This paper deals with the synthesis of fiber-optic delay line filters and is organized as follows. We show how filters with negative coefficients can be implemented using positive structures and differential detection at the optoelectronic conversion. This possibility implies that not only lowpass, but bandpass and highpass filters with arbitrary transfer functions may be implemented. Synthesis methods for positive filters based on modified versions of well-known time and frequency domain techniques are presented which take into account the restriction on the positive nature of the filter coefficients. We make use of these results to describe the synthesis procedure for arbitrary filters using fiber-optic structures. Some designs of lowpass, bandpass and highpass filters are presented as examples, and a possible implementation of these structures with a view of future optoelectronic integration is presented.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
A SIMPLIFIED METHOD FOR THE ESTIMATION OF TOTAL CHOLESTEROL IN SERUM AND DEMONSTRATION OF ITS SPECIFICITY (1952)

Optimization of the submerged culture conditions in a bioreactor for the production of Lentinus edodesThis research used an experimental design for optimizing and determining some of the submerged culture conditions effect over Lentinus edodes biomass production and its composition.To start with, glucose concentration, aeration and agitation effect were evaluated in the culture medium using a Box-Behnken design, which, allows concluding glucose concentration and agitation had a significant effect over the response variables (biomass, sterols and polysaccharides).Also, it was figured out that 1.2 vvm, 60 rpm and 21.97g / L were the values for aeration, agitation, and glucose concentration respectively for biomass production optimization.Subsequently, sterols and total carbohydrates were extracted from biomass and quantified through a spectrophotometric analysis, which, allows to determine that although these response variables were optimized using the same values for aeration and agitation obtained from the biomass production optimization, the glucose concentration was different (16.32 g / L for sterols and 19.6 g / L for total polysaccharides).Finally, the extracts profile was analyzed using HPLC-DAD and GC-MS.It was found that glucose affects the number of chromatographic signals and the quantity of different metabolites groups.
A 2.4&#x00B5;W Wake-up Receiver for wireless sensor nodes with &#x2212;71dBm sensitivity (2011)

This paper presents a complete ultra-low power receiver with direct down conversion architecture. It is designed as Wake-up Receiver for wireless sensor nodes. The 130nm CMOS chip includes envelope detector, low noise baseband amplifier, PGA, mixed-signal correlation unit and auxiliaries for stand-alone operation. At 868MHz, a receiver sensitivity of -71dBm is achieved with total power consumption of 2.4μW at 1.0V supply by means of baseband correlation over 7ms with 64 bit pattern, 99% detection probability and a false wake-up rate of 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> /s.
Diffusion dynamics of water controlled by topology of potential energy surface inside carbon nanotubes (2008)

The effect of topology of single-walled carbon nanotubes (CNTs) on the diffusion dynamics of water confined in the armchair and zigzag CNTs was investigated. It was found that the activation energy of molecular diffusion in zigzag CNTs is greater than that in armchair ones at similar diameters, which leads to water molecules in zigzag CNT diffusing much slower than in armchair CNT. Further calculations of potential energy surfaces (PESs) of water in these two types of CNTs explain the mechanism of diffusion dynamics of confined water. This research shows that the topology of PESs inside CNT could control the diffusion behaviors of water inside it. Since topology of PESs inside CNT could be modified by various chemical and/or physical methods, this work indicates the possibility of controlling the diffusion behaviors inside the CNTs by molecular engineering approach, without changing its pore size.
Fabricating polymeric substrates with periodic microrelief and investigating their optical properties (2001)

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 N. F. Bakeev, V. V. Belyaev, A. L. Volynskii, S. A. Ivanov, V. A. Konovalov, A. A. Muravskii, A. A. Min'ko, L. V. Chistovskaya, and S. E. Yakovenko, "Fabricating polymeric substrates with periodic microrelief and investigating their optical properties," J. Opt. Technol. 68, 709- (2001) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article
Effect of biofeedback training on operator's cognitive performance (2013)

This study demonstrates potential application of HRV biofeedback for operator's performance enhancement, associated with increases in HRV.