gebhart/patrepeval huggingface dataset:
Cross-sectional compliance overestimates arterial compliance because it neglects the axial strain (2003)

A high resolution echo-tracking system permits the calculation of cross-sectional compliance considering vessel diameter variations alone, and assumes that longitudinal movement of the vessel wall due to pulse pressure is negligible. However, using piezoelectric crystals sutured on the adventitia of the vessel wall we demonstrated that arterial length changes up to 5% (mean 2.7%) as a function of pulse pressure. Therefore, cross-sectional compliance seems to provide a limited approximation of the real phenomenon because it neglects axial vessel movement. Axial vessel movement is taken into account when the vessel compliance is calculated according to the principle of continuity of the mass: [equation: see text]. To verify this hypothesis we measured the blood flow gradient through 10 cm long segments of 10 pig carotid arteries (Qin - Qout) and divided it for the derivative of blood pressure over a given time (deltaP/deltat). For the same vessels, we calculated the cross-sectional compliance (CC) using the echo-tracking system (NIUS 02). We found a CC of (5.91 +/- 0.4) x 10(-7) micro m(2)/mm Hg and a segmental carotid compliance or dynamic compliance (C(d)) of (6.21 +/- 0.2) x 10(-8) micro m(3)/mm Hg. The impact of axial strain in calculations of compliance results in a dynamic compliance, which is one order of magnitude smaller than traditionally calculated arterial compliance.
Practical Mitigation of Passive Intermodulation in Microstrip Circuits (2018)

This paper presents new experimental evidence and a novel practical approach for mitigation of passive intermodulation (PIM) in microstrip circuits fabricated on commercial printed circuit board laminates. The mechanisms of distributed PIM in microstrip circuits are reviewed and a phenomenology of PIM generation due to locally enhanced electromagnetic fields at the fringed etched edges of microstrip transmission lines is presented. Reducing the magnitude of the local fields is shown to be an effective means for mitigating PIM distortions. The effect is demonstrated experimentally by selectively coating the edges of a microstrip transmission line with a thin layer of high-permittivity dielectric, which resulted in more than 10 dB reduction of the PIM level without compromising the linear characteristics of the circuit, while avoiding the need for additional signal processing. Our approach has proved to be a new practical and effective means for PIM mitigation suitable for a wide range of commercial printed circuits.
Smartback (2004)

This paper presents the design and user evaluation of SmartBack, a feature that complements the standard Back button by enabling users to jump directly to key pages in their navigation session, making common navigation activities more efficient. Defining key pages was informed by the findings of a user study that involved detailed monitoring of Web usage and analysis of Web browsing in terms of navigation trails. The pages accessible through SmartBack are determined automatically based on the structure of the user's navigation trails or page association with specific user's activities, such as search or browsing bookmarked sites. We discuss implementation decisions and present results of a usability study in which we deployed the SmartBack prototype and monitored usage for a month in both corporate and home settings. The results show that the feature brings qualitative improvement to the browsing experience of individuals who use it.
Machine Learning for Model Order Selection in MIMO OFDM Systems (2021)

A variety of wireless channel estimation methods, e.g., MUSIC and ESPRIT, rely on prior knowledge of the model order. Therefore, it is important to correctly estimate the number of multipath components (MPCs) which compose such channels. However, environments with many scatterers may generate MPCs which are closely spaced. This clustering of MPCs in addition to noise makes the model order selection task difficult in practice to currently known algorithms. In this paper, we exploit the multidimensional characteristics of MIMO orthogonal frequency division multiplexing (OFDM) systems and propose a machine learning (ML) method capable of determining the number of MPCs with a higher accuracy than state of the art methods in almost coherent scenarios. Moreover, our results show that our proposed ML method has an enhanced reliability.
VP5 of infectious bursal disease virus is not essential for viral replication in cell culture (1997)

Infectious bursal disease virus (IBDV), a member of the Birnaviridae family, encodes in its bisegmented double-stranded RNA genome four structural virion proteins, VP1, VP2, VP3, and VP4, as well as a nonstructural protein, VP5. Recently, the establishment of an infectious cRNA system for IBDV has been described (E. Mundt and V. N. Vakharia, Proc. Natl. Acad. Sci. USA 93:11131-11136, 1996). Here, we report the isolation of a VP5- IBDV mutant constructed by site-directed mutagenesis of the methionine start codon of VP5, followed by cRNA transfection. The resulting virus mutant was replication competent in cell culture, which indicates that VP5 is not required for productive replication of IBDV. Absence of VP5 expression was verified by lack of reactivity with newly established anti-VP5 monoclonal antibodies and polyclonal sera. VP5- IBDV exhibited a delay in replication in chicken embryo cells compared to the VP5+ parental virus. However, final yields were similar. Our results thus show that VP5 is nonessential for IBDV replication, which makes it a prime candidate for the construction of deleted, marked vaccines.
Supplemental Table S2 from Advances in the Classification and Treatment of Mastocytosis: Current Status and Outlook toward the Future (2023)

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<title>Sixteen-channel acousto-fiber-optic barrel shifter</title> (1995)

We have designed, built, and tested a sixteen channel fiber optic switching system based on the use of a bulk acousto-optic (AO) Bragg cell. The operational configuration known as a 'barrel shift' was developed specifically for fiber optic data acquisition system upgrades for the Collider Detector at Fermilab (CDF) in Batavia, Illinois. The prototype switch was delivered to CDF and is planned for tests targeting CDF upgrades in the next few years. Its use is intended for switching systems that specifically route time division multiplexed data channels. The acousto-optic barrel shifter (AOBS) simultaneously switches 16 parallel input optical fibers through a sequence of 16 separate states; after a complete cycle, all input channels have been routed to all output fibers for a total of 256 separate connections. The performance of the switch was demonstrated by switching transition times of 1 microsecond(s) ec, bit-error-rates (BERs) less than 10<SUP>-12</SUP> at 1.2 Gbits/sec, operation over a range of optical wavelengths from 1285 nm to 1320 nm, and low dependence on optical polarization. The optics package was contained in a portable enclosure 12 inches wide, 6 inches in height, and 16 inches in length.
Respiratory Isolation Based on Rapid Molecular Testing in an Intermediate Tuberculosis-Burden Country—Reply (2019)

Our website uses cookies to enhance your experience. By continuing to use our site, or clicking "Continue," you are agreeing to our Cookie Policy | Continue JAMA Internal Medicine HomeNew OnlineCurrent IssueFor Authors Podcast Publications JAMA JAMA Network Open JAMA Cardiology JAMA Dermatology JAMA Health Forum JAMA Internal Medicine JAMA Neurology JAMA Oncology JAMA Ophthalmology JAMA Otolaryngology–Head & Neck Surgery JAMA Pediatrics JAMA Psychiatry JAMA Surgery Archives of Neurology & Psychiatry (1919-1959) JN Learning / CMESubscribeJobsInstitutions / LibrariansReprints & Permissions Terms of Use | Privacy Policy | Accessibility Statement 2023 American Medical Association. All Rights Reserved Search All JAMA JAMA Network Open JAMA Cardiology JAMA Dermatology JAMA Forum Archive JAMA Health Forum JAMA Internal Medicine JAMA Neurology JAMA Oncology JAMA Ophthalmology JAMA Otolaryngology–Head & Neck Surgery JAMA Pediatrics JAMA Psychiatry JAMA Surgery Archives of Neurology & Psychiatry Input Search Term Sign In Individual Sign In Sign inCreate an Account Access through your institution Sign In Purchase Options: Buy this article Rent this article Subscribe to the JAMA Internal Medicine journal
Infrared-multiphoton absorption: a powerful technique for preparing ensembles of highly vibrationally excited molecules (1982)

Infrared-multiphoton absorption is a powerful technique for preparing ensembles of exicted molecules that can be used in energy-transfer experiments and in studies of chemical reactivity. To take full advantage of this technique, the ensembles of excited molecules must be adequately characterized both theoretically and experimentally. Toward this end, we have performed experiments to investigate unimolecular reactions, intensity effects in the absorption process, and the IR fluorescence of the excited molecules.
Broadband absorption enhancement in ultra-thin crystalline Si solar cells by incorporating metallic and dielectric nanostructures in the back reflector (2013)

We propose a back-reflecting scheme in order to enhance the maximum achievable current in one micron thick crystalline silicon solar cells. We perform 3-dimensional numerical investigations of the scattering properties of metallic nanostructures located at the back side, and optimize them for enhancing absorption in the silicon layer. We validate our numerical results experimentally and also compare the absorption enhancement in the solar cell structure, both with quasi-periodic and random metallic nanostructures. We have looked at the interplay between the metallic nanostructures and an integrated back-reflector. We show that the combination of metallic nanoparticles and a metallic reflector results in significant parasitic absorption. We compared this to another implementation based on titanium dioxide nanoparticles which act as a lambertian reflector of light. Our simulation and experimental results show that this proposed configuration results in reduced absorption losses and in broadband enhancement of absorption for ultra-thin solar cells, paving the way to an optimal back reflector for thin film photovoltaics.
The dimensional stability of composite laminates: sensitivity to gradients in fibre content and misalignment (1994)

LTC
Chalcogenide Fibers for Mid-Infrared Applications (2010)

The Naval Research Laboratory has developed rare-earth doped and undoped chalcogenide glass fibers for applications in the 1-12 µm wavelength region. Recent results on these fibers, IR fiber lasers, devices and applications will be reviewed. Article not available.
Diverse reaction courses in the controlled carbometalation of heterocumulenes with zirconium-diene complexes and molecular structures of carbon dioxide, isocyanate and ketene 1:1 and 1:2 inserted compounds (1989)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDiverse reaction courses in the controlled carbometalation of heterocumulenes with zirconium-diene complexes and molecular structures of carbon dioxide, isocyanate and ketene 1:1 and 1:2 inserted compoundsHajime Yasuda, Takuji Okamoto, Yoshihiko Matsuoka, Akira Nakamura, Yasushi Kai, Nobuko Kanehisa, and Nobutami KasaiCite this: Organometallics 1989, 8, 5, 1139–1152Publication Date (Print):May 1, 1989Publication History Published online1 May 2002Published inissue 1 May 1989https://pubs.acs.org/doi/10.1021/om00107a003https://doi.org/10.1021/om00107a003research-articleACS PublicationsRequest reuse permissionsArticle Views246Altmetric-Citations54LEARN 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-AlertscloseSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts
Superfluorinated and NIR-luminescent gold nanoclusters (2016)

A novel class of superfluorinated and NIR-luminescent gold nanoclusters were obtained starting from a branched thiol, bearing 27 equivalent <sup>19</sup>F atoms per molecule. These unprecedented clusters combine in a unique nanosystem both NIR photoluminescence and <sup>19</sup>F NMR properties, thus representing a promising multimodal platform for bioimaging applications.
Wear and Mechanical properties of spark plasma and liquid phase sintered WC and NbC based cemented carbide inserts (2018)

The effects on the mechanical properties, thermal behavior, response to cutting forces and wear mechanisms have been investigated for different manufacturing processes and materials for cemented carbide inserts.
Evaluation of Nb(Si)N as Metal Gate Material (2006)

Nb(Si)N films deposited by thermal atomic layer deposition (ALD) have been investigated as potential gate electrode materials in advanced CMOS devices. The NbN films were deposited at 400ºC using NbCl5 and NH3 as precursors. For NbSiN, SiCl4 was added as a precursor, yielding an average silicon content of 3 at% [ ]. The work function of these films was determined by high-frequency capacitance voltage measurements on two thickness series, one of thermal oxides (6.5 to 20nm) and one of ALD HfO2 (2 to 6nm) followed by an O2 post deposition anneal (PDA). It was found that NbN has a work function of ~4.7 eV on SiO2 and ~4.9eV on HfO2. However, thermal stability is limited to ~950ºC. The thermal stability on SiO2 is increased by incorporation of silicon into the NbN. NbSiN has a work function ~4.7 eV on SiO2 and ~4.8eV on HfO2.
The binding specificity of the marker antibodies Tra-1-60 and Tra-1-81 reveals a novel pluripotency-associated type 1 lactosamine epitope (2010)

The expression of the epitopes recognized by the monoclonal antibodies Tra-1-60 and Tra-1-81 is routinely used to assess the pluripotency status of human embryonic stem cells (hESCs) and induced pluripotent stem (iPS) cells. Although it is known that the epitopes recognized by Tra-1-60 and Tra-1-81 are carbohydrates, the exact molecular identity of these epitopes has been unclear. Glycan array analysis with more than 500 oligosaccharide structures revealed specific binding of Tra-1-60 and Tra-1-81 to two molecules containing terminal type 1 lactosamine: Galβ1-3GlcNAcβ1-3Galβ1-4GlcNAc and Galβ1-3GlcNAcβ1-3Galβ1-4GlcNAcβ1-6(Galβ1-3GlcNAcβ1-3)Galβ1-4Glc. The type 1 disaccharide in itself was not sufficient for binding, indicating that the complete epitope requires an extended tetrasaccharide structure where the type 1 disaccharide is β1,3-linked to type 2 lactosamine. Our mass spectrometric analysis complemented with glycosidase digestions of hESC O-glycans indicated the presence of the extended tetrasaccharide epitope on an O-glycan with the likely structure Galβ1-3GlcNAcβ1-3Galβ1-4GlcNAcβ1-6(Galβ1-3)GalNAc. Thus, the present data indicate that the pluripotency marker antibodies Tra-1-60 and Tra-1-81 recognize the minimal epitope Galβ1-3GlcNAcβ1-3Galβ1-4GlcNAc, which is present in hESCs as a part of a mucin-type O-glycan structure. The exact molecular identity of Tra-1-60 and Tra-1-81 is important for the development of improved tools to characterize the pluripotent phenotype.
Beam-Forming Transmission Enabled by Transmitter-Side MIMO Using Spatial Pilots (2017)

Single-ended fiber transfer matrix measurements are enabled employing spatial pilots, which differentiate different spatial and polarization modes using end reflections. We measure transfer matrices of single-mode and multimode fibers and realize transmitter-side MIMO preprocessing for beam-forming transmission.
Can occult metastases be Treated by radioimmunotherapy? (1997)

This simulation demonstrates that a relatively high absorbed dose and dose rate can be delivered to mm-sized lesions not observed by conventional nuclear imaging methods, and that these lesions should be considered for radioimmunotherapy with 1311 MoAbs. However, for micrometastases of <1 mm, other radionuclides with shorter path length beta particles than 131I, Auger electrons, or alpha particles should be considered.
Synthesis of 5-(dihydroxyboryl)-2'-deoxyuridine and related boron-containing pyrimidines (1985)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis of 5-(dihydroxyboryl)-2'-deoxyuridine and related boron-containing pyrimidinesRaymond F. Schinazi and William H. PrusoffCite this: J. Org. Chem. 1985, 50, 6, 841–847Publication Date (Print):March 1, 1985Publication History Published online1 May 2002Published inissue 1 March 1985https://pubs.acs.org/doi/10.1021/jo00206a024https://doi.org/10.1021/jo00206a024research-articleACS PublicationsRequest reuse permissionsArticle Views1371Altmetric-Citations89LEARN 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
Fast Transient Thermal Analysis of Gold Nanoparticles in Tissue-Like Medium (2009)

Gold-nanoparticle-based hyperthermia has attracted considerable attention in the recent ten years in cancer treatment. In hyperthermia-based cancer treatment, in order to produce efficient thermal therapy yet without excessive heat damage to human body, besides the steady-state thermal condition, the transient thermal response is of vital importance. As part of theoretical research associated with nanoparticle-mediated hyperthermia therapy for cancer treatment, the transient heat transfer process of laser interacting with gold nanoparticle in tissue-like medium is investigated. Within the framework of dual-phase-lag (DPL) model, this paper focuses on the microscopic heat transfer performance of a gold nanoparticle in a surrounding medium. A semianalytical solution of 1-D nonhomogenous DPL equation in spherical coordinates is presented for a heat transfer process with a constant laser heat source and a short-pulsed laser heating source. Results show that the transient temperature calculated by DPL model greatly exceeds that predicted by the classical diffusion model, with either a constant source or a pulsed source. This phenomenon is mainly attributed by the phase lag of heat flux in the surrounding tissue.
Providing for privacy in a network infrastructure protection context (2017)

Machine Learning and Big Data Analysis are seen as the silver bullet to detect and counteract attacks on critical communication infrastructure. Every message is analysed and is to some degree under suspicion. The principle of innocent until proven guilty does not seem to apply to modern communication usage. On the other hand, criminals would gain easily upper hand in communication networks that are not protected and on the outlook for attacks. This poses quite a problem for the technical implementation and handling of network communication traffic. How can a communication network provider protect user data against malicious activities without screening and data analysis and loss of the human right of privacy? This article provides a classification system for data usage, privacy sensitivity and risk through which we will illustrate on a concrete example how to provide user privacy, while still enabling protection.
Conjugated Polymers with Geminal Trifluoromethyl Substituents Derived from Hexafluoroacetone (2006)

Convenient syntheses of 9,9-bis(trifluoromethyl)fluorene and 6,6,12,12-tetrakis(trifluoromethyl)indenofluorene are reported. These compounds are readily prepared in two steps from simple halo-aromatics and hexafluoroacetone, which serves as the source of the geminal trifluoromethyl groups. Iodination yields polymerizable monomers that were used to prepare several conjugated polymers. The photophysical properties of these polymers are reported. The polymers demonstrate slightly blue-shifted UV−vis absorption and fluorescence emission spectra as well as high solution and solid-state fluorescence quantum efficiencies. Polymer photobleaching experiments reveal that poly(fluorene)s with geminal trifluoromethyl substituents demonstrate greater photooxidative stability than poly(9,9-dioctylfluorene).
Influence of Hard Segments of Polyurethane on Cell Growth (1996)

Polyurethanes (PU) with suitable soft segments have been found to be good blood-compatible polymers and have attracted much attention recently. In this study, various molar amounts of 4,4′-methylene bisphenyl isocyanate reacted with poly(tetramethylene oxide) were synthesized to explore the optimal ratio of hard/soft segments for cell attachment and proliferation in in vitro systems. Differential scanning calorimetry and dynamic mechanical analysis were used to determine the physical properties, hydrogen bonding index (HBI) and transmission electron microscopy to observe the phase-separation phenomena in the materials, and 3T3 fibroblast to evaluate the dependence of the cell proliferation at 37°C on the material properties. Our results show that cell attachment and proliferation are closely related to the cell growth surface, which in turn is controlled by (1) the ratio of hard to total segment concentration and (2) the recrystallization temperature (Tc) of PU. To obtain a good cell growth surface, the ratio of hard to total segment concentration is found to be between 0.4 and 0.6, and HBI is between 1.5 and 2.1. Furthermore, when the Tc of PU is near the physiology temperature, a stable surface for cell growth can be provided. The shorter molecules in the soft segment region can rearrange the molecular chain at 37°C.