gebhart/patrepeval huggingface dataset:
Effect of Steroidal Sapogenins on Ruminal Fermentation and on Production of Lactating Dairy Cows (1986)

Supplementation of dairy rations with steroidal sapogenins was evaluated in an in vitro, an in situ, and a production trial. Sixteen in vitro semicontinuous rumen cultures were supplied a 55:45 concentrate to roughage substrate with Sarsaponin concentrations of 0, 33, 55, and 77 ppm of air-dry feed for 22 d. Supplementation decreased protozoa numbers and increased bacterial numbers and acid detergent fiber digestion. Digestion of feed nitrogen tended to be lowest at the highest concentration of Sarsaponin, whereas microbial nitrogen output was similar for all concentrations. In rumen-cannulated animals fed a typical dairy ration, in situ rate of disappearance of organic matter, acid detergent fiber, and nitrogen of a complete ration substrate tended to be lower with 77 ppm added Sarsaponin. In a production trial, 16 primiparous dairy cows 6 to 10 wk postpartum were fed rations containing either 0 or 77 ppm Sarsaponin. Sarsaponin did not alter dry matter intake, digestibility, body weight change, or milk production and composition. Supplementation had no significant effect on ruminal fermentation in vivo as reflected by concentrations of ruminal ammonia nitrogen, blood urea, or molar ratios and concentrations of ruminal volatile fatty acids.
Effects of Granulocyte-Colony Stimulating Factor After Stroke in Aged Rats (2010)

These results suggest that G-CSF treatment in aged rats has a survival-enhancing capacity and a beneficial effect on functional outcome, most likely through supportive cellular processes such as neurogenesis.
VLSI architectures for a high-speed tunable digital modulator/ demodulator/bandpass-filter chip set (2003)

An all-digital multirate CMOS chip set architecture is presented for implementing tunable digital modulators, demodulators, and bandpass filters with a projected throughput rate of 200 Msamp/s in a 1.0- mu m CMOS process. The proposed three-chip set will accommodate center frequencies up to 90 MHz and selectable bandwidths from a few kHz up to tens of MHz. The first chip consists of a Hilbert transformer to implement a double-sideband to single-sideband conversion. The second chip consists of a quadrature oscillator and a complex multiplier to implement frequency translation, and the third chip consists of a multistage decimation/interpolation lowpass filter with selectable bandwidths. The authors discuss the architecture techniques used to achieve a 200-MHz throughput rate in a modest CMOS technology.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
H110 Surface Tension (2001)

Surface tension, which was first introduced by an English physician, Thomas Young, is one of the important subjects in thermodynamics. In this lecture, fundamental characteristics of surface tension are discussed from the view point of mechanical equilibrium as well as that of thermodynamics. In addition to the conventional explanation of the working mechanism of surface tension, an explanation is given in terms of anisotropic pressure on the basis of statistical thermodynamics.
Specific scheduling support to minimize the reconfiguration overhead of dynamically reconfigurable hardware (2004)

Dynamically Reconfigurable Hardware (DRHW) platforms present both flexibility and high performance. Hence, they can tackle the demanding requirements of current dynamic multimedia applications, especially for embedded systems where it is not affordable to include specific HW support for all the applications. However, DRHW reconfiguration latency represents a major drawback that can make the use of DRHW resources inefficient for highly dynamic applications. To alleviate this problem, we have developed a set of techniques that provide specific support for DRHW devices and we have integrated them into an existing multiprocessor scheduling environment. In our experiments, with actual multimedia applications, we have reduced the original overhead due to the reconfiguration latency by at least 93.
Design of CMOS Power Amplifiers (2012)

This paper describes the key technology and circuit design issues facing the design of an efficient linear RF CMOS power amplifier for modern communication standards incorporating high peak-to-average ratio signals. We show that most important limitations arise from the limited breakdown voltage of nanoscale CMOS devices and the large back-off requirements to achieve the required linearity, both of which result in poor average efficiency. Two fundamentally different approaches to tackle these problems are presented along with silicon prototype measurements. In the first approach, transformer power combining and bias-point optimization are used to increase the output power and linearity of the “analog” amplifier. In the second approach, a mixed-signal “digital” polar architecture is employed, wherein the amplitude modulation is formed through an RF DAC structure.
Control of spectral characteristics of dispersive optical fibers by annealing (1997)

Novel optical fibers fabricated from optical glasses with different dispersive characteristics are annealed under various conditions. Spectral properties of such dispersive fibers are greatly changed by annealing. It is shown that one of core and cladding index spectra can be shifted largely by annealing in case of fiber glasses with different transformation temperatures. We can therefore control properties of annealed dispersive fibers by adjusting the heat treatment.
A Simple Large-scale Synthesis of Well-defined Silver Sulfide Semiconductor Nanoparticles with Adjustable Sizes (2005)

Abstract A one-pot method characterized by thermolysis of a novel kind of single-source precursor was proposed to generate size-tunable monodisperse Ag2S(r) semiconductor nanoparticles in large scale.
Coupling of terahertz pulses onto a single metal wire waveguide using milled grooves (2005)

We demonstrate a novel approach for coupling freely propagating THz pulses onto a metal wire waveguide utilizing grooves fabricated directly into the metal. Using broadband THz pulses incident on the wire, we use metal segments containing zero, one, three, and eight uniformly spaced grooves to launch surface propagating multi-cycle pulses along the wire. We observe a one-to-one correspondence between the groove number and the number of oscillations in the THz waveform radiated from the end of the waveguide. We further demonstrate that this coupled radiation is radially polarized. Although the cross-sectional parameters of the grooves are identical in the present measurements, alteration of the individual grooves in a controlled manner should allow for arbitrarily shaped THz pulses to be launched on the waveguide.
Antenna tilt control in CDMA networks (2006)

This paper presents a real-time utility based procedure for antenna tilt control in cellular networks. The method's convergence to Nash equilibrium is guaranteed by the concave dependence between utility function and tilt angle. The solution was verified using a CDMA motion simulator with real path-loss data collected in downtown Delhi. The simulations show a significant reduction in dropped calls when the tilt is adapted to changes in traffic. This solution can be realized on systems that install remote control antennas.
Online OLED dynamic voltage scaling for video streaming applications on mobile devices (2013)

This work proposes an online DVS approach for OLED-based mobile video applications to reduce display power consumption. A time-efficient representative-region based DVS scheme is developed and applied in MPEG video streaming. Based on the proposed scheme, flexible DVS solutions can be adaptively derived according to timing constraints. Experimental results show a 26.9% power reduction while keeping 99.3% frames displayed in high quality.
A wheel-based cable climbing robot with descending speed restriction (2008)

A new wheel-based cable climbing robot which is able to climb up the vertical cylindrical cable on the cable-stayed bridge was proposed. Unlike the previous one, the new designed robot proposed in this paper is composed of two equally spaced modules, which are joined by connecting bars to form a closed hexagonal body to clasp on the cable. The static features of the robot were analyzed and the balanced torque of the mechanism was given. For the present design, it can climb up a cable with diameters varying from 65mm to 205mm with payloads below 3.5kg. A cable with a diameter of 139mm was selected as an example to calculate the parameters of the robot. For the safety landing in case of electricity broken-down, a gas damper with a slider-crank mechanism is introduced to exhaust the energy generated by the gravity when the robot is slipping down along the cables. The landing system is tested experimentally and a simplified mathematical model is analyzed. Several climbing experiments performed on real cables show the capability of the proposed robot.
Cooked navy and black bean diets improve biomarkers of colon health and reduce inflammation during colitis (2014)

Common beans contain non-digestible fermentable components (SCFA precursors) and phenolic compounds (phenolic acids, flavonoids and anthocyanins) with demonstrated antioxidant and anti-inflammatory potential. The objective of the present study was to assess the in vivo effect of cooked whole-bean flours, with differing phenolic compound levels and profiles, in a mouse model of acute colitis. C57BL/6 mice were fed a 20 % navy bean or black bean flour-containing diet or an isoenergetic basal diet (BD) for 2 weeks before the induction of experimental colitis via 7 d dextran sodium sulphate (DSS, 2 % (w/v) in the drinking-water) exposure. Compared with the BD, both bean diets increased caecal SCFA and faecal phenolic compound concentrations (P< 0·05), which coincided with both beneficial and adverse effects on colonic and systemic inflammation. On the one hand, bean diets reduced mRNA expression of colonic inflammatory cytokines (IL-6, IL-9, IFN-γ and IL-17A) and increased anti-inflammatory IL-10 (P< 0·05), while systemically reduced circulating cytokines (IL-1β, TNFα, IFNγ, and IL-17A, P< 0·05) and DSS-induced oxidative stress. On the other hand, bean diets enhanced DSS-induced colonic damage as indicated by an increased histological injury score and apoptosis (cleaved caspase-3 and FasL mRNA expression) (P< 0·05). In conclusion, bean-containing diets exerted both beneficial and adverse effects during experimental colitis by reducing inflammatory biomarkers both locally and systemically while aggravating colonic mucosal damage. Further research is required to understand the mechanisms through which beans exert their effects on colonic inflammation and the impact on colitis severity in human subjects.
Constructing Hansonism: A study of Pauline Hanson's persona in Australian press (1997)

This article discerns the extent to which the presence of controversial Australian politician, Pauline Hanson, in the public sphere has been mocked and shaped by the media. Based on a textual analysis of a month's coverage of Hanson in the broadsheet metropolitan dailies, it suggests that the one-dimensionality in which Hanson was reported tells us more about Australian journalists and their practices than about Pauline Hanson herself Journalists allowed the elements of 'political correctness' to set the parameters of how they dealt with Hanson. It concludes that since journalists are the product of journalism training programs, some self-reflection on the part of journalism educators of their reaction to Hanson is called for.
Drycleaning : technology and theory; a report of the National Institute of Drycleaning (1958)

Contents: -- Development of drycleaning; Soiling of fabrics; The detergent process on aqueous systems; Mechanisms of soil removal in drycleaning; Drycleaning solvents; Drycleaning detergents based on soap; Synthetic drycleaning detergents; Colloid chemistry of nonaqueous solutions; Moisture relations in the drycleaning bath; Electrical conductance in the drycleaning bath; The scientific basis of garment finishing; Physical effects related to finishing; References; Index. -- AATA
Effects of atmospheric turbulence on the visibility and spacing of interference fringes (1980)

Within the framework of a feasibility study of remote cross-wind velocity measurements by means of laser Doppler anemometry (LDA), a study was made of the atmospheric fluctuation effects on an optical interference fringe system generated over a distance of 500 m. Variations of the fringe visibility and spacing have been recorded simultaneously. In order to characterize the optical turbulence of the atmosphere during the measurements, an optical scintillometer was used. Provided the atmospheric extinction is low enough, the measured results show that, even under weather conditions which are very unfavorable to the propagation of laser beams, the interference fringe pattern generated is of sufficient quality for LDA measurements.
Analysis of high Reynolds numbers effects on a wind turbine airfoil using 2D wind tunnel test data (2016)

The aerodynamic behaviour of a wind turbine airfoil has been measured in a dedicated 2D wind tunnel test at the DNW High Pressure Wind Tunnel in Gottingen (HDG), Germany. The tests have been performed on the DU00W212 airfoil at different Reynolds numbers: 3, 6, 9, 12 and 15 million, and at low Mach numbers (below 0.1). Both clean and tripped conditions of the airfoil have been measured. An analysis of the impact of a wide Reynolds number variation over the aerodynamic characteristics of this airfoil has been performed.
Human cerebrospinal fluid peptidomics (2005)

Cerebrospinal fluid (CSF) has frequently been extensively studied to explore several different central nervous system (CNS) disorders because it contains proteins, enzymes, hormones, neuropeptides and neurotransmitters that play critical regulatory roles in many different physiological processes. Individual neuropeptidergic systems in CSF have been studied. In theory, peptidomics offers a bird's-eye, comprehensive and systems-level approach to analyze all of the peptidergic systems that have been expressed in CSF at any given time. In this study, low molecular mass (M(r) < 5 kDa) peptides were isolated by ultrafiltration. The isolated peptides, with or without trypsin digestion, were preferentially enriched with a solid-phase extraction cartridge, and the peptides were separated with capillary liquid chromatography and analyzed with on-line quadrupole time-of-flight mass spectrometry (MS). In this proof-of-principle study, the 20 representative MS-characterized peptides were shown to be derived from 12 proteins, among which four proteins, amyloid-like protein 1, secretogranin I, granin-like neuroendocrine peptide precursor and neurosecretory protein VGF, have been shown elsewhere to be either associated with CNS disorders or to play a central role in the CNS. The long-term goals of this peptidomics study are to monitor the changes (amount; modifications) of CSF peptides, clarify the aberrant processing of large intact protein precursors, elucidate the molecular mechanisms of CNS disorders and find biomarkers. This analytical method is effective for the analysis of the human lumbar CSF peptidome.
The “endogenous cardiac glycoside” (1986)

Evidence is accumulating that, in addition to the second messengers of hormone action cAMP, Ca2+ and inositoltriphosphate, alterations of the intracellular Na+-concentration may also mediate hormonal effects on cellular processes (66). Provided this concept is right, the sodium pump must also be considered as a receptor of hormones and as a mediator of hormonal action (3). Alterations of the intracellular sodium concentration are considered to be involved in the mechanism of inotropy of the cardiac muscle cells (2) and in differentiation processes (66). With this in mind, it is not astonishing that a hormone of insects, which stimulates the differentiation of tissues (50), uses the sodium pump as a target in the follicle cells of the bug Rhodnius prolixus (28) (Fig. 1): isolated (Na++K+)-ATPase from follicle cells is activated below 10−8 M juvenile hormone but is inhibited above this concentration. The effect is specific for the follicle enzyme and is not seen with the brain enzyme of Rhodnius prolixus. Swelling of vitellogenic follicle cells is activated by juvenile hormone, but inhibited by ouabain (1). It is therefore likely that the juvenile hormone binds to the cardiac glycoside receptor site and that the activating effect of the juvenile hormone reflects the sometimes observable effect of a stimulation of (Na++K+)-ATPase by cardiac glycosides (18, 19, 42) at very low concentrations.
Effects of Astaxanthin Supplementation on Lipid Peroxidation (2007)

Astaxanthin, the main carotenoid pigment in aquatic animals, has greater antioxidant activity in vitro (protecting against lipid peroxidation) and a more polar configuration than other carotenoids. We investigated the effect of three-month astaxanthin supplementation on lipid peroxidation in healthy non-smoking Finnish men, aged 19-33 years by using a randomized double-blind study design. Also absorption of astaxanthin from capsules into bloodstream and its safety were evaluated. The intervention group received two 4-mg astaxanthin (Astaxin) capsules daily, and the control group two identical-looking placebo capsules. Astaxanthin supplementation elevated plasma astaxanthin levels to 0.032 pmol/L (p < 0.001 for the change compared with the placebo group). We observed that levels of plasma 12- and 15-hydroxy fatty acids were reduced statistically significantly in the astaxanthin group (p = 0.048 and p = 0.047 respectively) during supplementation, but not in the placebo group and the change of 15-hydroxy fatty acid was almost significantly greater (p = 0.056) in the astaxanthin group, as compared with the placebo group. The present study suggests that intestinal absorption of astaxanthin delivered as capsules is adequate, and well tolerated. Supplementation with astaxanthin may decrease in vivo oxidation of fatty acids in healthy men.
Microwave Heating for the Preparation of Nanometer Gold Particles (2003)

In this paper we report a feasible method to synthesize gold nanoparticles with uniform size by microwave heating. In this work, a closed chamber of a microwave system with precise temperature control function was employed to synthesize the gold nanoparticles. Our data demonstrates that the temperature plays an important role in the synthesis of gold nanoparticles. With higher synthesis temperature, longer heating time duration and rapid gradient of temperature increase, the smaller diameter and the narrow size distribution of the gold nanoparticles were obtained. The concentrations of citrate represent the reductant in the synthesis reaction, which also influence the morphology of gold nanoparticles. The data demonstrates that gold nanoparticles with highly reproducible sizes could be synthesized by microwave heating.
State diagram of spin-torque oscillator with perpendicular reference layer and planar field generation layer (2015)

The state diagram of spin-torque oscillator (STO) with perpendicular reference layer (REF) and planar field generation layer (FGL) was studied by a macrospin model and a micro-magnetic model. The state diagrams are calculated versus the current density, external field and external field angle. It was found that the oscillation in FGL could be controlled by current density combined with external field so as to achieve a wide frequency range. An optimized current and applied field region was given for microwave assisted magnetic recording (MAMR), considering both frequency and output field oscillation amplitude. The results of the macro-spin model were compared with those of the micro-magnetic model. The macro-spin model was qualitatively different from micro-magnetics and experimental results when the current density was large and the FGL was non-uniform.
ChemInform Abstract: QUINAZOLINES AND 1,4‐BENZODIAZEPINES. 82. 5‐PYRIMIDYL‐ AND 5‐PYRAZINYLBENZODIAZEPINES (1978)

Abstract 4‐Methyl‐pyrimidin (Ia) wird zur Carbonsäure (Ib) oxidiert und zu (Ic) verestert.
Expression and function of CD5 and CD28 in patients with rheumatoid arthritis. (1993)

To assess the role of CD5 and CD28 in the pathogenesis of the decreased cellular immune function in patients with rheumatoid arthritis (RA) we analysed the expression and function of these T-cell surface molecules. The expression of CD5 as well as of CD28 in synovial and peripheral blood T cells was similar to that of control T cells. Monoclonal antibodies (mAb) directed at CD28 and CD5 were able to provide an accessory signal to anti-CD3 activated T cells both from the synovial fluid and from the peripheral blood. However, the proliferation induced by anti-CD3 mAb in conjunction with anti-CD5 or anti-CD28 mAb was always higher in peripheral blood (PB) T cells compared to the paired synovial fluid T cells. After simultaneous ligation of CD5 and CD28, proliferation was induced in the PB T cells. However, when compared to control PB T cells, this proliferation was significantly lower in the RA patients. Purified normal memory (CD45RO+) T cells proliferated less strongly than naive (CD45RA+) T cells, but no difference was observed between rheumatoid and normal memory T-cell proliferative responses. However, enriched PB CD45RA+ T cells from rheumatoid patients proliferated less vigorously to CD5 and CD28 ligation when compared to normal enriched CD45RA+ T cells. Synovial fluid (SF) T cells, which are mainly of the memory cell type, did not proliferate after simultaneous ligation of CD5 and CD28. This refractory state of synovial T cells could not be explained by a difference in the surface expression of CD5 or CD28. Our data suggest that the cellular immune dysfunction in the PB from rheumatoid patients may be due to a decreased responsiveness of the naive T-cell subset to accessory signals provided by CD5 and CD28. In addition, SF T cells appear hyporesponsive to stimulating signals provided through CD5 and CD28.
Gentamicin resistance in strains of Pseudomonas aeruginosa mediated by enzymic N-acetylation of the deoxystreptamine moiety (1972)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTGentamicin resistance in strains of Pseudomonas aeruginosa mediated by enzymic N-acetylation of the deoxystreptamine moietyMaria Brzezinska, Raoul Benveniste, Julian Davies, Peter J. L. Daniels, and Jay WeinsteinCite this: Biochemistry 1972, 11, 5, 761–766Publication Date (Print):February 29, 1972Publication History Published online1 May 2002Published inissue 29 February 1972https://pubs.acs.org/doi/10.1021/bi00755a013https://doi.org/10.1021/bi00755a013research-articleACS PublicationsRequest reuse permissionsArticle Views208Altmetric-Citations70LEARN 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