gebhart/patrepeval huggingface dataset:
Covalent Atomic Bridges Enable Unidirectional Enhancement of Electronic Transport in Aligned Carbon Nanotubes (2019)

Interconnecting the surfaces of nanomaterials without compromising their outstanding mechanical, thermal, and electronic properties is critical in the design of advanced bulk structures that still preserve the novel properties of their nanoscale constituents. As such, bridging the p-conjugated carbon surfaces of single-walled carbon nanotubes (SWNTs) has special implications in next-generation electronics. This study presents a rational path towards improvement of the electrical transport in aligned semiconducting SWNT films by deposition of metal atoms. The formation of conducting Cr-mediated pathways between the parallel SWNTs increases the transverse (intertube) conductance, while having negligible effect on the parallel (intratube) transport. In contrast, doping with Li has a predominant effect on the intratube electrical transport of aligned SWNT films. Large-scale first-principles calculations of electrical transport on aligned SWNTs show good agreement with the experimental electrical measurements and provide insight into the changes that different metal atoms exert on the density of states near the Fermi level of the SWNTs and the formation of transport channels.
Characterization of zebrafish (Danio rerio) NCX4: a novel NCX with distinct electrophysiological properties (2008)

Members of the Na+/Ca2+ exchanger (NCX) family are important regulators of cytosolic Ca2+ in myriad tissues and are highly conserved across a wide range of species. Three distinct NCX genes and numerous splice variants exist in mammals, many of which have been characterized in a variety of heterologous expression systems. Recently, however, we discovered a fourth NCX gene (NCX4), which is found exclusively in teleost, amphibian, and reptilian genomes. Zebrafish (Danio rerio) NCX4a encodes for a protein of 939 amino acids and shows a high degree of identity with known NCXs. Although knockdown of NCX4a activity in zebrafish embryos has been shown to alter left-right patterning, it has not been demonstrated that NCX4a functions as a NCX. In this study, we 1) demonstrated, for the first time, that this gene encodes for a novel NCX; 2) characterized the tissue distribution of zebrafish NCX4a; and 3) evaluated its kinetic and transport properties. While ubiquitously expressed, the highest levels of NCX4a expression occurred in the brain and eyes. NCX4a exhibits modest levels of Na+-dependent inactivation and requires much higher levels of regulatory Ca2+ to activate outward exchange currents. NCX4a also exhibited extremely fast recovery from Na+-dependent inactivation of outward currents, faster than any previously characterized wild-type exchanger. While this result suggests that the Na+-dependent inactive state of NCX4a is far less stable than in other NCX family members, this exchanger was still strongly inhibited by 2 microM exchanger inhibitory peptide. We demonstrated that a new putative member of the NCX gene family, NCX4a, encodes for a NCX with unique functional properties. These data will be useful in understanding the role that NCX4a plays in embryological development as well as in the adult, where it is expressed ubiquitously.
1/f noise modeling in long channel amorphous silicon thin film transistors (2000)

1/f noise investigations in thin film transistors with long channel and thin thickness of amorphous silicon film are presented. It is found that the noise behavior follows the mobility fluctuation model in ohmic and saturation regimes, whereas in the subthreshold conduction, a quadratic law versus the drain current is observed. The noise modeling is proposed taking into account the equations usually utilized for crystalline silicon metal–oxide–semiconductor field-effect transistors according to Hooge’s theory. Moreover, the Berkeley Short-Channel Insulated Gate Field-Effect Transistor Model is adapted to predict the noise levels. Two noise parameters have been extracted: The first is used in the subthreshold region, whereas we show that the second, directly related to Hooge’s parameter, is adequate to describe alone the noise in normal conduction up to the saturation.
A model of the electrical volume conductor in the region of the eye in the ELF range (2001)

Electrical and magnetic phosphenes are irritations of the eye caused by electric currents or magnetic fields. These are well known effects initially investigated in the early 1900s. Available estimations of the current densities in the eye, based on the assumption of a homogeneous volume conductor, show low thresholds. These outdated thresholds are still an important cornerstone when justifying today's limit values for extremely low-frequency (ELF) fields specified by statutory regulations. In vitro measurements of the complex conductivity of cattle eye are carried out for the ELF range (5-2000 Hz) separated for the different tissues of the eyeball. They do not show peculiarities at 20 Hz which is the threshold minimum for the phosphene generation. The reported conductivity data of the eye region show variations of two orders of magnitude regarding the electrical conductivity of the individual tissue layers. Starting with these new data, a model of the orbita is introduced describing the eye and its periphery as an electrically inhomogeneous volume conductor. This model contains small-scale structures which are expected to behave as good electrical conductors yielding regions of higher field values within the eye. Therefore, earlier models assuming a homogeneous volume conductor can be regarded as oversimplistic.
Noninvasive Angiography of Peripheral Arteries (2019)

Over the past decade, noninvasive imaging of the peripheral arteries has evolved into a highly reliable alternative to invasive digital subtraction angiography. Both magnetic resonance angiography (MRA) and computed tomography angiography (CTA) are capable of identifying the location and grade of peripheral arterial disease (PAD) with high accuracy, and both modalities can be used to manage the entire spectrum of patients with suspected or known PAD. Although atherosclerotic PAD is the underlying cause of symptoms in the vast majority of patients, noninvasive cross-sectional imaging is also well suited for identification of alternative non-atherosclerotic causes such as vasculitis and other less frequent causes.
Sugar Cane and Sugar Beet Molasses, Antioxidant-rich Alternatives to Refined Sugar (2012)

Molasses, the main byproduct of sugar production, is a well-known source of antioxidants. In this study sugar cane molasses (SCM) and sugar beet molasses (SBM) were investigated for their phenolic profile and in vitro antioxidant capacity and for their protective effect in human HepG2 cells submitted to oxidative stress. According to its higher phenolic concentration and antioxidant capacity in vitro, SCM exhibited an effective protection in cells, comparable to or even greater than that of α-tocopherol. Data herein reported emphasize the potential health effects of molasses and the possibility of using byproducts for their antioxidant activity. This is particularly important for consumers in developing countries, as it highlights the importance of consuming a low-price, yet very nutritious, commodity.
Effects of Various Rates of Freezing on the Metabolism of a Drought-tolerant Plant, the Moss Tortula ruralis (1978)

The response of the drought-tolerant moss Tortula ruralis ([Hedw.] Gaertn., Meyer, Scherb.) to freezing and thawing at controlled rates has been studied. Slow freezing (at 3 C per hour to -30 C) of hydrated T. ruralis leads to only temporary, reversible changes in metabolism. These changes can be considered to result from desiccation due to extracellular ice formation. In contrast, rapid freezing in liquid N(2) and thawing in 20 C water leads to deterioration in all aspects of metabolism studied: ribosome, protein, and ATP levels decrease, and in vivo and in vitro protein synthetic activity is lost rapidly. Such changes probably result from intracellular ice formation. Following freezing and thawing at an intermediate rate (60 C per hour), only ATP levels and in vivo protein synthesis are reduced. The protein-synthesizing apparatus (the polyribosomes) remains intact and active in an in vitro protein-synthesizing system even 24 hours after one 60 C per hour freeze-thaw cycle. These metabolic responses are discussed in terms of the two-factor hypothesis of Mazur et al. (1972 Exp. Cell Res. 71: 345-355).
Phase II study of tariquidar, a selective P‐glycoprotein inhibitor, in patients with chemotherapy‐resistant, advanced breast carcinoma (2005)

Tariquidar showed limited clinical activity to restore sensitivity to anthracycline or taxane chemotherapy. Functional imaging of the tumor with (99m)Tc-sestamibi scans before and after administration of multidrug-resistance inhibitor may be useful to identify the small subset of patients who could benefit from multidrug-resistance modulation in future trials.
A New 3-Benzylchroman Derivative from Sappan Lignum (Caesalpinia sappan) (2008)

3'-Deoxy-4-O-methylepisappanol, a new 3-benzylchroman derivative, was isolated from Sappan Lignum, together with thirteen known chemical compounds identified as protosappanin A, sappanchalcone, sappanone B, palmitic acid, (+)-(8S,8'S)-bisdihydrosiringenin, brazilein, 3-deoxysappanchalcone, (+)-lyoniresinol, 3-deoxysappanone B, protosappanin B, isoprotosappanin B, 3'-O-methylbrazilin and brazilin, respectively. Among these known compounds, this is the first time that (+)-(8S,8'S)-bisdihydrosiringenin was obtained from the family Caesalpiniaceae.
Botulinum Toxin Effects on Gasatrocnemius Strength and Plantar Pressure in Diabetics with Peripheral Neuropathy and Forefoot Ulceration (2012)

There were no adverse events associated with the Botox® injections. This study was unable to determine the dose to consistently reduce plantarflexor strength and forefoot plantar pressure. Additional research is needed to investigate diabetes mellitus specific physiological changes and their impact of BoNT-A effectiveness in order to guide appropriate dosing.
Bioactive Marine Metabolites. Part 114. Nagahamide A, an Antibacterial Depsipeptide from the Marine Sponge Theonella swinhoei. (2003)

Abstract For Abstract see ChemInform Abstract in Full Text.
Delay distortion characteristics of optical fiber splices (1976)

Proper design of an optical communication system using optical fibers as the transmission medium requires a knowledge of the transmission characteristics of both the optical fibers and the splices used to join lengths of fibers together.
Preparation of Monomeric [LAl(NH2)2]—A Main‐Group Metal Diamide Containing Two Terminal NH2 Groups (2004)

Aus [LAlCl2] (L=HC[C(Me)N(Ar)]2, Ar=2,6-iPr2C6H3) und NH3 oder H2O entstehen in Gegenwart von 1,3-Di-tert-butylimidazol-2-yliden als HCl-Acceptor die einzigartigen Verbindungen [LAl(NH2)2] (siehe Bild) bzw. [LAl(OH)2]. Das Begleitprodukt 1,3-Di-tert-butylimidazoliumchlorid kann abfiltriert und wieder in das entsprechende Ausgangscarben überführt werden.
ChemInform Abstract: ACYCLIC STEREOSELECTION. 7. STEREOSELECTIVE SYNTHESIS OF 2‐ALKYL‐3‐HYDROXY CARBONYL COMPOUNDS BY ALDOL CONDENSATION (1980)

Abstract Aus den Ethylketonen (I) werden die Li‐enolate (II) und (III) hergestellt und diese dann mit Trimethylchlorsilan zu Silylethern (IV) und (V) substituiert oder mit Benzaldehyd (VI) in die Ketoalkohole (VII) und (VIII) umgewandelt.
Childhood Abuse, Household Dysfunction, and the Risk of Attempted Suicide Throughout the Life Span (2001)

A powerful graded relationship exists between adverse childhood experiences and risk of attempted suicide throughout the life span. Alcoholism, depressed affect, and illicit drug use, which are strongly associated with such experiences, appear to partially mediate this relationship. Because estimates of the attributable risk fraction caused by these experiences were large, prevention of these experiences and the treatment of persons affected by them may lead to progress in suicide prevention.
A Language/Action Perspective on the Design of Cooperative Work (1988)

What are the requirements on computer- and telecommunications-based tools to aid groups in producing intellectual products? In this article we examine research collaborations as a particularly informative example of group work and propose a framework for describing research collaboration that should provide guidance to those developing technology to support collaborative work. The framework is based on 50 semistructured interviews with researchers in psychology, management science, and computer science. It focuses on the problems in forming and maintaining personal relationships and completing tasks that researchers must solve to have a successful collaboration. These problems occur when collaborators are initiating projects, executing them, and documenting results.
Regeneration through somatic embryogenesis of an elite colombian Theobroma cacao L. variety (2011)

In this research we evaluate two protocols of propagation via somatic embryogenesis from floral explants using two elite clones BIOB and ICS95 of Theobroma cacao L. We obtained 50 and 32% of embryogenic callus on ICS95 and BIOB respectively with Fontanel et al., (2002) modified protocol and Guiltinan et al. (2003) after three months of culture. The embryos went through four phases; Induction, Formation, Maduration and Mantenimiento which corresponded each one with different media culture. For secondary somatic embryogenesis we obtained 23% of embryos from primary somatic embryos in a medium with 1mg/L of 2,4,5 T (2,4,5 Triclorofenoxiacetic). Also we obtained plants that developed new roots applying pulses with IBA (Indol Butiric Acid) 0.5mg/L and 0.5g/L for a minute. The developed plants were moved to a mix of potting soil and sand (1:1) for their ex vitro adaptation, getting 66% of acclimatized plants. The histological analysis showed the typical characteristics of the embryogenic development. This is the first report where it is achieved the successful conversion to plantlets (68%) and ex vitro adaptation of a colombian cocoa variety via primary and secondary embryogenesis.
On diagnosis and correction of design errors (2002)

We consider the problem of diagnosing and correcting two classes of design errors, called output correspondence and input correspondence errors. Under these errors, the order of the outputs or inputs of the implementation are changed, such that an incorrect matching between specification and implementation outputs or inputs is obtained. These errors were not included in earlier methods proposed to diagnose and correct design errors. We present diagnosis and correction procedures for these errors, and discuss the performance of these procedures in the presence of previously studied design errors. The analysis shows the importance of considering output and input correspondence errors as part of a complete correction procedure.
Impact of treatment in long-term survival patients with follicular lymphoma: A Spanish Lymphoma Oncology Group registry (2017)

A longer follow-up and a large series demonstrated a substantial population of patients with follicular lymphoma free of disease for more than 10 years.
Studies on Starling's Law of the Heart (1964)

The acute circulatory responses to impeding venous return to the heart by the inflation of a balloon in the inferior vena cava were determined in 14 patients undergoing left heart catheterization. In the five patients without clinical or hemodynamic evidence of impaired left ventricular function, left ventricular end-diastolic pressure fell, and the decrease was accompanied by reductions in the cardiac index, left ventricular stroke volume, and left ventricular stroke work. In nine patients with impaired left ventricular function, directionally similar responses were noted, although the left ventricular function curves relating left ventricular end-diastolic pressure to left ventricular stroke work were generally flatter and lower than those in the patients without left ventricular disease. In none of the patients did a significant increase in cardiac index, stroke volume, or left ventricular stroke work occur during inflation of the balloon. It is concluded that the Starling relationship appears to operate in a directionally similar manner both in the normal and the depressed human left ventricle, and that the left ventricles of patients with impaired function are not on a descending limb of the curve. However, a descending limb of the left ventricular Starling curve may become apparent when an additional work load is imposed on the diseased ventricle.
Plant Constituents, Silicon in Rice (1963)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPlant Constituents, Silicon in RiceF. C. LanningCite this: J. Agric. Food Chem. 1963, 11, 5, 435–437Publication Date (Print):May 1, 1963Publication History Published online1 May 2002Published inissue 1 May 1963https://pubs.acs.org/doi/10.1021/jf60129a024https://doi.org/10.1021/jf60129a024research-articleACS PublicationsRequest reuse permissionsArticle Views493Altmetric-Citations61LEARN 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
Issues in Instruction Scheduling (1998)

The medial temporal lobe (MTL) is connected to the rest of the brain through two main networks: the anterior-temporal (AT) and the posterior-medial (PM) systems. Given the crucial role of the MTL and networks in the physiopathology of Alzheimer's disease (AD), the present study aimed at (1) investigating whether MTL atrophy propagates specifically within the AT and PM networks, and (2) evaluating the vulnerability of these networks to AD proteinopathies. To do that, we used neuroimaging data acquired in human male and female in three distinct cohorts: (1) resting-state functional MRI (rs-fMRI) from the aging brain cohort (ABC) to define the AT and PM networks (<i>n</i> = 68); (2) longitudinal structural MRI from Alzheimer's disease neuroimaging initiative (ADNI)GO/2 to highlight structural covariance patterns (<i>n</i> = 349); and (3) positron emission tomography (PET) data from ADNI3 to evaluate the networks' vulnerability to amyloid and tau (<i>n</i> = 186). Our results suggest that the atrophy of distinct MTL subregions propagates within the AT and PM networks in a dissociable manner. Brodmann area (BA)35 structurally covaried within the AT network while the parahippocampal cortex (PHC) covaried within the PM network. In addition, these networks are differentially associated with relative tau and amyloid burden, with higher tau levels in AT than in PM and higher amyloid levels in PM than in AT. Our results also suggest differences in the relative burden of tau species. The current results provide further support for the notion that two distinct MTL networks display differential alterations in the context of AD. These findings have important implications for disease spread and the cognitive manifestations of AD.<b>SIGNIFICANCE STATEMENT</b> The current study provides further support for the notion that two distinct medial temporal lobe (MTL) networks, i.e., anterior-temporal (AT) and the posterior-medial (PM), display differential alterations in the context of Alzheimer's disease (AD). Importantly, neurodegeneration appears to occur within these networks in a dissociable manner marked by their covariance patterns. In addition, the AT and PM networks are also differentially associated with relative tau and amyloid burden, and perhaps differences in the relative burden of tau species [e.g., neurofibriliary tangles (NFTs) vs tau in neuritic plaques]. These findings, in the context of a growing literature consistent with the present results, have important implications for disease spread and the cognitive manifestations of AD in light of the differential cognitive processes ascribed to them.
Oxynitride Amorphous Carbon Layer for Electrically and Thermally Robust Bipolar Resistive Switching (2023)

Abstract Advanced resistive random‐access memory (ReRAM) devices based on resistive switching (RS) have been intensely studied for future high‐density nonvolatile memory devices owing to their high scalability, simplified integration, fast operation, and ultralow power consumption. Among the recently considered active media, diverse carbon‐based media have emerged because of numerous benefits of simple chemical composition, desirable speed, and cost‐effective scalability. However, these media are still susceptible to undesirable reliability issues, including poor endurance and retention and uncontrollable operation voltage distribution. In this study, an oxynitride amorphous carbon active medium governed by appropriate nitrogen content during growth is introduced to facilitate high electrical stability, such as a distinct pulse endurance of more than 10 7 cycles, a high retention time of 10 5 s at 85 °C, and increased uniformity in the SET/RESET distribution with thermally robust RS stability even at a high annealing temperature of 400 °C. The findings are possibly the result of adapting an sp 2 –sp 3 conversion nature assisted by the presence of pyridinic N or pyrrolic N as a substitution reaction.
Tunable external-cavity semiconductor laser using monolithically integrated tapered amplifier and grating coupler for collimating (2002)

We present a lensless tunable external-cavity laser (TECL) using monolithically integrated tapered InGaAs-AlGaAs SQW amplifier and grating coupler, which can be fabricated without regrowth and emits a collimated output beam. We demonstrate a well-collimated output beam and wide-range tuning of the novel TECL.
Deep Drawability and Recrystallization Texture of Rephosphorized Al-killed High Strength Cold-rolled Steel (1982)

The deep drawability and the recrystallization texture of rephosphorized Al-killed high strength steels (P: -0.07%) were studied as compared with those of a conventional Al-killed steel (P: 0.016%).A rephosphorized Al-killed steel shows the peak r-value at a certain heating rate in annealing as well as a conventional Al-killed steel. However, phosphorus slightly weakens the retardation effect of AlN on recrystallization, which results in a lower r-value and a lower grain elongation ratio. The preferred orientation of a rephosphorized Al-killed steel is {111} <112> though that of a conventional Al-killed steel is {111} <110>.These results are discussed by taking into account the interaction between phosphorus and AIN precipitation behavior.