gebhart/patrepeval huggingface dataset:
Double-Directional Channel Characterization of Truck-to-Truck Communication in Urban Environment (2017)

This paper reports the first truck-to-truck (T2T) wireless channel measurement conducted at 5.9GHz with multiple antennas at both transmitter and receiver. We present directional analysis of a sample route in downtown Los Angeles, CA USA, where two trucks drive towards each other. Measurements are performed with a self-built real-time MIMO channel sounder and evaluated with RiMAX, a high resolution parameter estimation algorithm, providing time-of-arrival, directional of departure, directional of arrival and Doppler shift for discrete multipath components as well as diffuse multipath scattering. Compared to vehicular channels for passenger cars, our measurements show that the metallic trailer, which is higher than the installed antennas, acts as a strong reflector in line-of-sight (LOS) condition and increases the average received power and angular spread. The extra power attenuation however can be as high as 35dB after two trucks pass each other and the trailers obstruct the LOS.
Massively parallel on-chip electroporation device designed for long term post-culturing (2009)

On-chip electroporation device that enables massive parallelism and long-term post-culturing is developed. The applied waveform is optimized for the pore forma-tion on the cell membrane and electrophoretic migration of plasmid into cells by the choice of high-frequency wave with d.c. offset.
K-0101 A First-Principle Molecular Dynamics Study on Mechanical Properties of Silicon Nitride (2001)

The ideal tensile strength of beta silicon nitride were determined by first-principle molecular dynamics method based on density functional theory with local density approximation. From evaluated stress-strain curves, we found that the tensile strength along c-axis 75GPa is slightly larger than that along a-axis 72GPa. The calculated elastic constants from the stress-strain curves, C_11 and C_33, are in good agreement with the previous theoretical and experimental results.
Baseline determination and detection of resistance to imidacloprid in Bemisia tabaci (Homoptera: Aleyrodidae) (1996)

Abstract Adult Bemisia tabaci (Gennadius) were tested with imidacloprid in a bioassay method using systemically treated cotton leaves. The method was simple, robust and repeatable and provided baseline data for a laboratory and a number of recently collected field strains. The LC 50 for imidacloprid susceptible strains was calculated to be 1.7 ppm and a concentration of 16 ppm determined as diagnostic for imidacloprid resistance. Ten strains of B. tabaci collected from the Almeria region of Spain showed significantly less mortality at the diagnostic dose than the susceptible strains. The intensive use of imidacloprid in the Almeria region is considered the reason for the occurrence of resistance in this locality. Resistance to organophosphates, pyrethroids and endosulfan in B-type and non-B type B. tabaci did not confer resistance to imidacloprid.
2A2-C25 Modeling of joint stiffness of a manipulator driven by pneumatic actuators (2010)

This paper reports the model of joint stiffness of manipulator driven by pneumatic actuators. We develop a new pneumatic actuator, which is smaller than ever actuator. This leads to realize an antagonistic drive system manipulator whose size is as same as human hand. However, as being smaller, a pneumatic actuator's hysteresis increases. It is necessary to construct the model of joint stiffness of manipulator for controlling it accurately. Therefore, we construct the model of joint stiffness of an antagonistic drive system manipulator. The model is constructed in consideration of pneumatic actuator's hysteresis. Therefore, compared with non-consideration actuator's hysteresis, it is expressed well.
Substrate Recognition and Channeling of Monomodules from the Pikromycin Polyketide Synthase (2003)

The unique ability of the pikromycin (Pik) polyketide synthase to generate 12- and 14-membered ring macrolactones presents an opportunity to explore the fundamental processes underlying polyketide synthesis, specifically the mechanistic details of the chain extension process. We have overexpressed and purified PikAIII (module 5) and PikAIV (module 6) and assessed the ability of these proteins to generate tri- and tetraketide lactone products using N-acetylcysteamine-activated diketides and (14)C-methylmalonyl-CoA as substrates. Comparison of the stereochemical specificities for PikAIII and PikAIV and the reported values for the DEBS modules reveals significant differences between these systems.
Methods for producing silicon carbide fibers (2023)

Methods of producing silicon carbide fibers. The method comprises reacting a continuous carbon fiber material and a silicon-containing gas in a reaction chamber at a temperature ranging from approximately 1500.degree. C. to approximately 2000.degree. C. A partial pressure of oxygen in the reaction chamber is maintained at less than approximately 1.01.times.10.sup.2 Pascal to produce continuous alpha silicon carbide fibers. Continuous alpha silicon carbide fibers and articles formed from the continuous alpha silicon carbide fibers are also disclosed.
The estimation of shear‐wave statics using in situ measurements in marine near‐surface sediments (2005)

ABSTRACT Shear‐wave statics in marine seismic exploration data are routinely too large to be estimated using conventional techniques. Near‐surface unconsolidated sediments are often characterized by low values of V s and steep velocity gradients. Minor variations in sediment properties at these depths correspond to variations in the shear‐wave velocity and will produce significant static shifts. It is suggested that a significant proportion of the shear‐wave statics solution can be estimated by performing a separate high‐resolution survey to target near‐surface unconsolidated sediments. Love‐wave, shear‐wave refraction and geotechnical measurements were individually used to form high‐resolution near‐surface shear‐wave velocity models to estimate the shear‐wave statics for a designated survey line. Comparisons with predicted statics revealed that shear‐wave statics could not be estimated using a velocity model predicted by substituting geotechnical measurements into empirical relationships. Empirical relationships represent a vast simplification of the factors that control V s and are therefore not sufficiently sensitive to estimate shear‐wave statics. Refraction measurements are potentially sensitive to short‐wavelength variations in sediment properties when combined with accurate navigational data. Statics estimated from Love‐wave data are less sensitive, and sometimes smoothed in appearance, since interpreted velocity values represent an average both laterally and vertically over the receiver array and the frequency–depth sensitivity range, respectively. For the survey site, statics estimated from near‐surface irregularities using shear‐wave refraction measurements represent almost half the total statics solution. More often, this proportion will be greater when bedrock relief is less.
Continuous microfluidic immunomagnetic cell separation (2005)

We present a continuous-flow microfluidic device that enables cell by cell separation of cells selectively tagged with magnetic nanoparticles. The cells flow over an array of microfabricated magnetic stripes, which create a series of high magnetic field gradients that trap the magnetically labeled cells and alter their flow direction. The process was observed in real time using a low power microscope. The device has been demonstrated by the separation of leukocytes from whole human blood.
Sex, age, and hospitalization drive antibody responses in a COVID-19 convalescent plasma donor population (2020)

Convalescent plasma is a leading treatment for coronavirus disease 2019 (COVID-19), but there is a paucity of data identifying its therapeutic efficacy. Among 126 potential convalescent plasma donors, the humoral immune response was evaluated using a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus neutralization assay with Vero-E6-TMPRSS2 cells; a commercial IgG and IgA ELISA to detect the spike (S) protein S1 domain (EUROIMMUN); IgA, IgG, and IgM indirect ELISAs to detect the full-length S protein or S receptor-binding domain (S-RBD); and an IgG avidity assay. We used multiple linear regression and predictive models to assess the correlations between antibody responses and demographic and clinical characteristics. IgG titers were greater than either IgM or IgA titers for S1, full-length S, and S-RBD in the overall population. Of the 126 plasma samples, 101 (80%) had detectable neutralizing antibody (nAb) titers. Using nAb titers as the reference, the IgG ELISAs confirmed 95%-98% of the nAb-positive samples, but 20%-32% of the nAb-negative samples were still IgG ELISA positive. Male sex, older age, and hospitalization for COVID-19 were associated with increased antibody responses across the serological assays. There was substantial heterogeneity in the antibody response among potential convalescent plasma donors, but sex, age, and hospitalization emerged as factors that can be used to identify individuals with a high likelihood of having strong antiviral antibody responses.
Void Formation Mechanism Related to Particles During Wafer-to-Wafer Direct Bonding (2022)

Achieving a void-free bonding interface is an important requirement for the wafer-to-wafer direct bonding process. The two main potential mechanisms for void formation at the interface are (i) void formation induced by gas, such as condensation by-products caused by the bonding process or outgassing of trapped precursors, and (ii) void formation induced by physical obstacles, such as particles. In this work, emphasis is on the latter process. Particles were intentionally deposited on the wafer prior to bonding to study the kinetics of the physical void formation process. Void formations induced by particles deposited on different dielectrics bonding materials were analyzed using scanning acoustic microscopy and image software. The void formation mechanism is then discussed along with the wafer bonding dynamics at room temperature.
Поиск возможных каталитических систем для синтеза сверхсшитых полистирольных сорбентов (2019)

С целью упрощения и удешевления синтеза сверхсшитых сорбентов вновь изучена реакция сшивания набухшего в дихлорэтане сополимера стирола с 0.7% ДВБ монохлордиметиловым эфиром по реакции Фриделя-Крафтса. Пористые полимеры с удельной поверхностью 800-1000 м2/г можно получить, используя 1 моль дорогих безводных SnCl4 и TiCl4 на моль эфира. Безводные AlCl3 и FeCl3вызывают деструкцию исходного сополимера, а ZnCl2 оказался неактивным. Однако раствор смеси 70г ZnCl2 и 3.5 г FeCl3 в 50 мл концентрированной соляной кислоты является перспективным катализа-тором. Выполняя одновременно роль многоразового катализатора и дисперсионной среды, он позво-лил впервые получить пористые гранулы даже из линейного полистирола, проводить сшивание поли-мера без его деструкции и заменить эфир нетоксичным метилалем.
Supervised Learning and Mass Spectrometry Predicts the in Vivo Fate of Nanomaterials (2019)

The surface of nanoparticles changes immediately after intravenous injection because blood proteins adsorb on the surface. How this interface changes during circulation and its impact on nanoparticle distribution within the body is not understood. Here, we developed a workflow to show that the evolution of proteins on nanoparticle surfaces predicts the biological fate of nanoparticles <i>in vivo</i>. This workflow involves extracting nanoparticles at multiple time points from circulation, isolating the proteins off the surface and performing proteomic mass spectrometry. The mass spectrometry protein library served as inputs, while blood clearance and organ accumulation were used as outputs to train a supervised deep neural network that predicts nanoparticle biological fate. In a double-blinded study, we tested the network by predicting nanoparticle spleen and liver accumulation with upward of 94% accuracy. Our neural network discovered that the mechanism of liver and spleen uptake is due to patterns of a multitude of nanoparticle surface adsorbed proteins. There are too many combinations to change these proteins manually using chemical or biological inhibitors to alter clearance. Therefore, we developed a technique that uses the host to act as a bioreactor to prepare nanoparticles with predictable clearance patterns that reduce liver and spleen uptake by 50% and 70%, respectively. These techniques provide opportunities to both predict nanoparticle behavior and also to engineer surface chemistries that are specifically designed by the body.
Controlling protein interactions in blood for effective liver immunosuppressive therapy by silica nanocapsules (2019)

Immunosuppression with glucocorticoids is a common treatment for autoimmune liver diseases and after liver transplant, which is however associated with severe side-effects. Targeted delivery of glucocorticoids to inflammatory cells, e.g. liver macrophages and Kupffer cells, is a promising approach for minimizing side effects. Herein, we prepare core-shell silica nanocapsules (SiO<sub>2</sub> NCs) via a sol-gel process confined in nanodroplets for targeted delivery of dexamethasone (DXM) for liver immunosuppressive therapy. DXM with concentrations up to 100 mg mL<sup>-1</sup> in olive oil are encapsulated while encapsulation efficiency remains over 95% after 15 days. Internalization of NCs by non-parenchymal murine liver cells significantly reduces the release of inflammatory cytokines, indicating an effective suppression of inflammatory response of liver macrophages. Fluorescent and magnetic labeling of the NCs allows for monitoring their intracellular trafficking and biodegradation. Controlled interaction with blood proteins and good colloidal stability in blood plasma are achieved via PEGylation of the NCs. Specific proteins responsible for stealth effect, such as apolipoprotein A-I, apolipoprotein A-IV, and clusterin, are present in large amounts on the PEGylated NCs. In vivo biodistribution investigations prove an efficient accumulation of NCs in the liver, underlining the suitability of the SiO<sub>2</sub> NCs as a dexamethasone carrier for treating inflammatory liver diseases.
ChemInform Abstract: REACTION OF PHENANTHRENE 9,10‐OXIDE WITH TETRACYANOETHYLENE (1978)

Abstract Das Phenanthrenoxid (I) ergibt mit Tetracyanethylen bei Raumtemperatur unter Lichtausschluß das Addukt (III).
Neurotrophic Factors in the Auditory Periphery (1999)

Many of the neurotrophic factors promote the survival of developing peripheral sensory neurons, and they might be useful as therapeutic agents in the adult neuronal systems. During development, neurotrophin-3 (NT-3) and brain-derived neurotrophic factor (BDNF) mRNAs are expressed in the auditory sensory epithelium, which composes the peripheral target field of the cochlear (spiral) neurons. NT-3 mRNA is also expressed in the inner hair cells of the mature organ of Corti. mRNAs encoding their signal-transducing receptors, TrkC and TrkB, respectively, are expressed in the cochlear neurons. In addition to neurotrophins, which seem to have an important role during development, another neurotrophic factor, glial cell-line-derived neurotrophic factor (GDNF), seems to be involved in the maintenance of postnatal auditory neurons. In the present work, the cellular distribution of neurotrophins and GDNF in the developing and adult rat inner ear are compared. The effects of recombinant neurotrophins and GDNF on dissociated cochlear neurons in vitro are also compared. Recently, NT-3 and BDNF were used in vivo as therapeutic agents to protect guinea pig cochlear neurons from aminoglycoside-induced degeneration and GDNF from noise-induced degeneration. These data demonstrate that NT-3, BDNF, and GDNF might be potential candidates for prevention of degeneration of the auditory nerve in man.
Comparative Study of Feature Extraction Approaches for Ship Classification in Moderate-Resolution SAR Imagery (2018)

This paper presents a comparative study of existing feature extraction approaches for ship classification in moderate-resolution synthetic aperture radar (SAR) images. Ship classification is a key functionality in many maritime surveillance applications. For efficient ship classification, appropriate feature extraction is crucial. Most of existing studies have used high-resolution images. For maritime surveillance, however, wide-area coverage is essential whereas it inevitably reduces the spatial resolution. In this paper, we evaluate the applicability of representative methods to moderate-resolution images. The evaluated methods are hand-crafted feature extraction (HCF), principal component analysis (PCA) and autoencoder (AE) based on neural-network. The evaluation is done on the basis of accuracy for two-class ship classification into tanker and cargo. The experiments demonstrate that AE outperforms HCF and PCA in classification accuracy by 7.4% and 2.6%, respectively. Furthermore, AE performs best even in classification of challenging cases such as small ships.
Improved Performance in Polymer-Fullerene Blend Photovoltaic Cells by Insertion of C60 Interlayer (2007)

We demonstrate the enhancement of the device performance in polymer:PCBM blend photovoltaic cells by insertion of C60 interlayer between the active layer and the upper electrode. The active layer was fabricated by spin coating of a polymer {(poly(2-methoxy-5-(2′-ethyl-hexyloxy)-1,4-phenylene vinylene)(MEH-PPV) or (poly(3-hexylthiopene)(P3HT) and fullerene derivative [5,6]-phenyl-C61-butyric acid methyl ester(PCBM)}, then the C60 interlayer and LiF/Al electrode were deposited. The both polymer cells with C60 interlayer showed significant increase in the power conversion efficiency compared to cells without the C60 layer.
Carrier aggregation receiver employing direct recentred offset receivers (2017)

Carrier aggregation supports an increased total bandwidth, data rate and utilization of available fragmented spectrum, where the latter is a core component of next generation Wi-Fi and Cellular networks, including 5G. Wireless communications receivers with intra-band non-contiguous CA, employing conventional complex mixers and base-band circuitry, are desirable, however risks of VCO injection pulling and LO coupling may hinder adoption of simplistic parallel receive channels. Furthermore, in-band strong blockers are expected in such environment and the CA receiver should be designed to tolerate such signals. This paper introduces a scalable CA receiver architecture, enabling co-existence of multiple LO signals and respective down conversion of recentered, offset signals of flexibly spaced component carriers. The architecture presented here supports an aggregation of intra-band, inter-band and inter-standard component channels, employing conventional base-band signals, where the performance per receive channel is compatible with Legacy (single channel) performance. A flexible CA receiver demonstrating this architecture with 3 component channels is implemented in 65nm CMOS LP process and occupies a die area of 1mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> , operating at 5.2-5.8GHz.
Ginsenoside Rh2 Ameliorates Doxorubicin-Induced Senescence Bystander Effect in Breast Carcinoma Cell MDA-MB-231 and Normal Epithelial Cell MCF-10A (2019)

The anthracycline antibiotic doxorubicin is commonly used antineoplastic drug in breast cancer treatment. Like most chemotherapy, doxorubicin does not selectively target tumorigenic cells with high proliferation rate and often causes serve side effects. In the present study, we demonstrated the cellular senescence and senescence associated secretory phenotype (SASP) of both breast tumor cell MDA-MB-231 and normal epithelial cell MCF-10A induced by clinical dose of doxorubicin (100 nM). Senescence was confirmed by flattened morphology, increased level of beta galactose, accumulating contents of lysosome and mitochondrial, and elevated expression of p16 and p21 proteins. Similarly, SASP was identified by highly secreted proteins IL-6, IL-8, GRO, GM-CSF, MCP-1, and MMP1 by antibody array assay. Reciprocal experiments, determined by cell proliferation and apoptosis assays and cell migration and cell invasion, indicated that SASP of MDA-MB-231 cell induces growth arrest of MCF-10A, whereas SASP of MCF-10A significantly stimulates the proliferation of MDA-MB-231. Interestingly, SASP from both cells powerfully promotes the cell migration and cell invasion of MDA-MB-231 cells. Treatment with the natural product ginsenoside Rh2 does not prevent cellular senescence or exert senolytic. However, SASP from senescent cells treated with Rh2 greatly attenuated the above-mentioned bystander effect. Altogether, Rh2 is a potential candidate to ameliorate this unwanted chemotherapy-induced senescence bystander effect.
Aérgia (2010)

Traditional Network-on-Chips (NoCs) employ simple arbitration strategies, such as round-robin or oldest-first, to decide which packets should be prioritized in the network. This is counter-intuitive since different packets can have very different effects on system performance due to, e.g., different level of memory-level parallelism (MLP) of applications. Certain packets may be performance-critical because they cause the processor to stall, whereas others may be delayed for a number of cycles with no effect on application-level performance as their latencies are hidden by other outstanding packets'latencies. In this paper, we define slack as a key measure that characterizes the relative importance of a packet. Specifically, the slack of a packet is the number of cycles the packet can be delayed in the network with no effect on execution time. This paper proposes new router prioritization policies that exploit the available slack of interfering packets in order to accelerate performance-critical packets and thus improve overall system performance. When two packets interfere with each other in a router, the packet with the lower slack value is prioritized. We describe mechanisms to estimate slack, prevent starvation, and combine slack-based prioritization with other recently proposed application-aware prioritization mechanisms. We evaluate slack-based prioritization policies on a 64-core CMP with an 8x8 mesh NoC using a suite of 35 diverse applications. For a representative set of case studies, our proposed policy increases average system throughput by 21.0% over the commonlyused round-robin policy. Averaged over 56 randomly-generated multiprogrammed workload mixes, the proposed policy improves system throughput by 10.3%, while also reducing application-level unfairness by 30.8%.
A low-cost low-power non-volatile memory for RFID applications (2012)

One of the main obstacles delaying a more widespread use of radio frequency identification (RFID) tags is cost. A critical element of any RFID system is a low power embedded non-volatile memory (NVM) that can be fabricated without additional masks to the core CMOS process. In this paper, we present a 256-bit re-writeable NVM array, implemented in the TowerJazz 0.18µm CMOS process using only standard logic process steps and masks. Based on the single-poly C-Flash bitcell, this array achieves an extremely low static power figure of 3.8µW during operation cycles.
5-Nitro-2-furaldehydeN-(hydroxymethyl)semicarbazone (2005)

The title compound, C7H8N4O5, which is a potential anti-Chagas' derivative, was synthesized using a simple hydroxy­methyl­ation method in a basic medium with formaldehyde. The structure reveals two infinite two-dimensional networks in the (\overline{1}02) and (001) planes, stabilized by inter­molecular hydrogen bonds.
Media Format Interoperability (2007)

This chapter contains sections titled: Background Media Formats Metadata Formats Media Adaptation Mandatory Media Format Profiles Media Format Interoperability: An Example Conclusions References