gebhart/patrepeval huggingface dataset:
Ozone‐induced ethylene and foliar injury responses are altered in 1‐aminocyclopropane‐1‐carboxylate synthase antisense potato plants (2004)

• In potato (Solanum tuberosum), two 1-aminocyclopropane-1-carboxylate synthase (ACS) genes are induced by ozone (O<sub>3</sub> ). Antisense inhibition of these ethylene (C<sub>2</sub> H<sub>4</sub> ) biosynthetic genes allowed us to examine the relationship between O<sub>3</sub> -induced C<sub>2</sub> H<sub>4</sub> emission and foliar injury. • Thirty-two lines (antisense for ST-ACS4 or ST-ACS5) were screened in the glasshouse for acute O<sub>3</sub> -induced C<sub>2</sub> H<sub>4</sub> and lesions. Stomatal conductance and ACS transcripts were quantified for selected C<sub>2</sub> H<sub>4</sub> -altered lines. Six lines were field-tested for chronic O<sub>3</sub> effects. • Ten lines produced less, and four lines produced more, acute-O<sub>3</sub> -induced C<sub>2</sub> H<sub>4</sub> than nontransformed (NT) plants. Ethylene levels did not appear to be correlated with stomatal conductance. ST-ACS4 and -5 transcript were reduced in transgenic plants, except in two C<sub>2</sub> H<sub>4</sub> over-producing lines. In the field, these C<sub>2</sub> H<sub>4</sub> over-producing lines displayed stunting and leaf rolling in charcoal-filtered (CF) air and chronic O<sub>3</sub> , and they sustained the most severe O<sub>3</sub> injury. • When C<sub>2</sub> H<sub>4</sub> production was strongly suppressed or enhanced, corresponding reductions or increases in lesion severity were observed, suggesting a critical role for C<sub>2</sub> H<sub>4</sub> in the lesion formation process during O<sub>3</sub> stress.
Thermodynamic constants of the adducts formed with heterocyclic nitrogen bases and nickel(II) dithiophosphates (1972)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermodynamic constants of the adducts formed with heterocyclic nitrogen bases and nickel(II) dithiophosphatesTeresa. Marshall and Quintus. FernandoCite this: Anal. Chem. 1972, 44, 8, 1346–1350Publication Date (Print):July 1, 1972Publication History Published online1 May 2002Published inissue 1 July 1972https://pubs.acs.org/doi/10.1021/ac60316a007https://doi.org/10.1021/ac60316a007research-articleACS PublicationsRequest reuse permissionsArticle Views38Altmetric-Citations8LEARN 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
Interaction between poly(3-hydroxybutyrate) granule-associated proteins as revealed by two-hybrid analysis and identification of a new phasin in Ralstonia eutropha H16 (2011)

A large number of polypeptides are attached to poly(3-hydroxybutyrate) (PHB) granules of Ralstonia eutropha, such as PHB synthase (PhaC1), several PHB depolymerases (PhaZs) and phasins (PhaPs), the regulator protein PhaR(Reu), and possibly others. In this study we used the bacterial adenylate cyclase-based two-hybrid assay to investigate interactions between known PHB granule-associated proteins (PGAPs) and to screen for new PGAPs. The utility of the system was tested by the in vivo verification of previously postulated interactions of the PHB synthase subunits of R. eutropha (PhaC1 homo-oligomerization) and of Bacillus megaterium (PhaC(Bmeg)-PhaR(Bmeg) hetero-oligomerization). Nine proteins (PhaA, PhaB1, PhaC1, PhaP1-PhaP4, PhaZ1 and PhaR), with established functions in PHB metabolism of R. eutropha, were tested for interaction in all combinations. While no significant interaction was detected between the PHB synthase PhaC1 and any of the other eight tested Pha proteins, strong interactions were found between all phasin proteins, in particular between PhaP2 and PhaP4. When PhaP2 was used as bait in a two-hybrid screening experiment with a genomic library of R. eutropha, the B1934 gene product was identified in 24 out of 53 isolated clones. B1934 encodes a hypothetical protein (15.7 kDa) with similarity to phasins of PHB-accumulating bacteria. A fusion protein of eYfp and the B1934 gene product colocalized with PHB granules, confirming that B1934 represents a new phasin (PhaP5). PhaP5 was not essential for PHB granule formation, but overexpression of PhaP5 increased the number of cells with PHB granules at the cell poles.
Oxidation of Sanguinarine and Its Dihydro‐Derivative at a Pyrolytic Graphite Electrode Using Ex Situ Voltammetry. Study of the Interactions of the Alkaloids with DNA (2011)

Abstract This study describes the oxidation of sanguinarine (SG) and its metabolite dihydrosanguinarine (DHSG) on the surface of a basal‐plane pyrolytic graphite electrode (PGE). Since both alkaloids strongly adsorb onto the surface of pyrolytic graphite, measurements were performed using ex situ voltammetric methods, adsorptive transfer (AdT) cyclic voltammetry (CV) and square‐wave voltammetry (SWV). Oxidation peaks of SG (peak A) and DHSG (peak A*) were observed around the potential of +0.7 V (vs. Ag/AgCl/3 M KCl), depending on the experimental conditions. The voltammetric peaks A and A* are probably related to the oxidation of N ‐methylphenanthridine nitrogenous heterocycle of SG and oxidation of DHSG back to SG, respectively. The electrochemical results and optimized AdT SWV were subsequently applied to the study of the interactions of SG and DHSG with DNA in vitro. Analysis of the alkaloid/DNA interactions was based on observing heights of oxidation peaks A and A* after incubation of SG and/or DHSG with supercoiled (sc) DNA [pBSK (−) ]. Electrochemical study of the interactions was supported and complemented with measurements using gel electrophoresis (Topoisomerase I scDNA relaxation assay) and steady‐state and time‐resolved fluorescence spectroscopy. The results suggest that SG intercalates into the double‐stranded structure of scDNA (the SG/base pair ratio is max. 1/4) while increased binding affinity was observed for quaternary cation (SG + ). DHSG which, unlike SG + , does not possess a strictly planar molecular structure, did not show intercalative DNA binding in any of the three methods applied.
Mesangial IgA deposition in minimal change nephrotic syndrome: coincidence of different entities or variant of minimal change disease? (2006)

Our cases and a review of the literature indicate that the histological diagnosis of MCA may comprise different pathogenetic entities. From the clinical point of view, MCA has to be regarded as a minimal change nephrotic syndrome with symptomatic or asymptomatic mesangial IgA deposition. IgA deposition constitutes a risk factor for impairment of renal function and indicates a frequently relapsing course.
Molecular Characterization of 11q Deletions Points to a Pathogenic Role of the ATM Gene in Mantle Cell Lymphoma (1999)

Abstract Deletions involving the long arm of chromosome 11 (11q) have been recently found as recurrent chromosome aberrations in mantle cell lymphoma (MCL). In the current study, the incidence and molecular extent of 11q deletions were analyzed in a series of 81 MCL by fluorescence in situ hybridization with probes from a contiguous set of yeast artificial chromosomes (YACs). Loss of chromosome 11 material was observed in 37 of 81 cases (46%). The minimally deleted segment comprised YAC 801e11 containing the ATM gene. To further narrow the minimal region of loss, P1-derived artificial chromosomes mapping to the critical region were isolated and used as probes in cases without aberrations detectable with YACs. This allowed the identification of an ATM deletion that was beyond the resolution of YAC probes. The identification of a minimally deleted segment affecting ATM suggests a pathogenic role of ATMas a tumor suppressor gene in MCL.
Deoxyspergualin delays xenograft rejection in the guinea pig-to-C6-deficient rat heart transplantation model (1999)

Abstract This study aimed to investigate the effects of 15-deoxyspergu-alin (DSG), tacrolimus (FK 506) and cyclosporin A (CyA), alone or in combination, on delayed xenograft rejection (DXR). We used the guinea-pig-to-C6-deficient(C6-)-PVG-rat heart transplantation model, since in this strain combination, hyperacute rejection is avoided. In C6- control rats, the guinea pig xenografts survived for 39.2 ± 6.3 h (mean ± SD). Splenectomy alone resulted in a xenograft survival of 71.8±7.8 h, but the addition of CyA or FK 506 did not further improve graft survival (73.6 ±3.0 h and 72.0±17.6 h, respectively). In contrast, DSG treatment increased graft survival to a mean of 99.8±9.2 h. When CyA or FK 506 was combined with DSG, no additional effects were observed (105±24.3 h and 95.1±5.6 h, respectively). DSG alone or in combination with FK 506 or CyA resulted in a significant reduction in the serum IgM levels and reduced the deposits of IgM and IgG in rejected grafts. However, all xenografts were still heavily infiltrated by EDI + macrophages, regardless of the treatment used. Thus, DSG treatment resulted in moderate prolongation of xenograft survival in C6- rats. The effect seems to be related to suppression of xenoreactive antibody production. To prolong xenograft survival further, strategies that inhibit macrophage infiltration seem required.
Simultaneous Registration and Activation Detection (2003)

Registration using the least-squares cost function is sensitive to the intensity fluctuations caused by the blood oxygen level dependent (BOLD) signal in functional MRI (fMRI) exper- iments, resulting in stimulus-correlated motion errors. These er- rors are severe enough to cause false-positive clusters in the ac- tivation maps of datasets acquired from 3T scanners. This paper presents a new approach to resolving the coupling between regis- tration and activation. Instead of treating the two problems as in- dividual steps in a sequence, they are combined into a single least- squares problem and are solved simultaneously. Robustness tests on a variety of simulated three-dimensional EPI datasets show that the stimulus-correlated motion errors are removed, resulting in a substantial decrease in false-positive and false-negative activation rates. The new method is also shown to decorrelate the motion es- timates from the stimulus by testing it on different in vivo fMRI datasets acquired from two different 3T scanners. Index Terms—Activation, fMRI, GLM, least-squares, registra- tion.
Multiple Bonds between “Naked” Lead and Transition Metals—The First Example (1985)

A substituent-free Pb atom that is bonded though double bonds to two organomanganese fragments is present in complex 2, which is surprisingly easy to prepare from the mononuclear complex 1 and PbCl2 in tetrahydrofuran (THF). The MnPbMn skeleton is nearly linear.
ChemInform Abstract: An Enantioselective Total Synthesis of (+)‐ and (‐)‐Saudin. Determination of the Absolute Configuration. (2002)

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Conduction Properties of a Distorted Buckled Carbon Nanotube in the Vibrational Normal Mode (2009)

We theoretically investigate electronic transport properties of a distorted carbon nanotube and estimate conductance shift for the sub-band conduction. In this simulation nanotubes are distorted in such a way that they make shapes of various vibrational modes. We find that the shift depends on the way of distortion. Thus, if the distortion is induced by selective excitation of a phonon mode by a monochrome light, we may expect clear response in the electronic current through the biased nanotube, which implies its possible application as a current switching device.
Strong linkage disequilibrium between the XY274 polymorphism and the pseudoautosomal boundary. (1990)

The pseudoautosomal boundary is defined by an Alu repeat element on the Y chromosome. The Alu element is found on all Y chromosomes and on no X chromosomes, establishing it as part of Y-specific sequences. Distal to the Alu element, sequences from the X and Y are strictly homologous, suggesting that the boundary is formed by an abrupt break in sequence homology. Further investigation of the function of the boundary has been undertaken by examining the population structure of an MspI restriction-site polymorphism (XY274), which is located 274 bp distal to the Alu insertion site. Southern blot and polymerase chain reaction analysis demonstrate fixation of the high allele (noncutting or AT base pair) of XY274 on the Y chromosome in most populations, while a full range of high allele frequencies is found on the X chromosomes of different populations. Two exceptions to fixation on the Y chromosome were found in African populations. The level of linkage disequilibrium suggests that the first few hundred base pairs of the pseudoautosomal region on the Y chromosome share a single common origin more recent than the origin of the species.
Optical back-action-evading measurement with a parametric amplifier (1993)

In quantum mechanics, the act of measurement perturbs the system by adding noise that usually contaminates subsequent measurements of the observable in question.
Atomic ordering and temperature-dependent transient photoconductivity in Ga0.47In0.53As (1999)

Influences of CuPtB atomic ordering on transient photoconductivity in epitaxial Ga0.47In0.53As films grown by metal-organic chemical vapor deposition are examined. Low-injection lifetimes of several ms are measured in double-variant ordered samples at 77 K; these lifetimes decrease rapidly with temperatures above 180 K, giving a thermal activation energy for recombination of 0.19 eV. Single-variant ordered samples exhibit typical lifetimes of 30–60 μs, with no noticeable temperature dependence up to 300 K. Charge separation in double-variant samples may be driven by a type-II band alignment between ordered and disordered regions, or by an alternating internal electrical polarization between ordered variants. Recombination in both double- and single-variant samples may be influenced by inhibited transport across antiphase boundaries.
Polyvinyl alcohol sponge for embolotherapy: particle size and morphology. (1985)

The size and morphology of particulate polyvinyl alcohol (PVA) sponge prepared by a blender technique for embolotherapy were analyzed by light and scanning electron microscopy. Techniques for preparation and sizing of PVA sponge particles are described. Two types of particulate material, differing in both size and morphology, were found. Large particles (greater than 50 micron) had irregular shapes and sharp, jagged edges. Smaller particles (2-50 micron) were more numerous. Attempts to characterize the smaller particles were unsuccessful. Preparation of PVA sponge particles using the blender technique is a viable choice in external carotid neuroembolization procedures. However, the potential effects of small particles possibly causing cranial nerve palsies does need consideration.
<title>Radiological image compression using wavelet transform with arithmetic coding</title> (1994)

We have developed a compression algorithm based on discrete wavelet transform (DWT) and arithmetic coding (AC) that satisfies the requirements of a radiological image archive. This new method is far superior to the previously developed full frame DCT (FFDCT) method as well as the industrial standard JPEG. Since DWT is localized in both spatial and scale domains, the error due to quantization of coefficients does not propagate throughout the reconstructed picture as in FFDCT. Since it is a global transformation, it does not suffer the limitation of block transform methods like JPEG. The severity of error as measured by NMSE and maximum difference increases very slowly with compression ratio compared to FFDCT. Normalized nearest neighbor difference (NNND), which is a measure of blockiness, stays approximately constant, while JPEG's NNND increases rapidly with compression ratio. Furthermore, DWT has an efficient FIR implementation which can be put in parallel hardware. DWT also offers total flexibility in the image format; the size of the image does not have to be a power of two as in the case of FFDCT.
2-(Phenylthio)-2-(trimethylsilyl)propane (2001)

[89656-96-2] C12H20SSi (MW 224.48) InChI = 1S/C12H20SSi/c1-12(2,14(3,4)5)13-11-9-7-6-8-10-11/h6-10H,1-5H3 InChIKey = ZMDLIPFQILDDDR-UHFFFAOYSA-N (Peterson alkenation1 and preparation of ketones via 2-lithio-2-(trimethylsilyl)propane2, 3) Physical Data: bp 70–80 °C/0.6 mmHg. Preparative Method: by reductive lithiation of 2,2-bis(phenylthio)propane followed by trimethylsilylation with Chlorotrimethylsilane.2, 3 Purification: by flash chromatography and by Kugelrohr distillation.3 Handling, Storage, and Precautions: use in a fume hood.
A new look on poles and zeros at infinity in the light of systems interconnection (2003)

Due to the recent developments of the "behavioral approach" and of the "module-theoretic approach" of linear systems, there is a need to clarify and unify the theory of "impulsive motions". This is done here using (i) the theory of distributions, (ii) the notion of "temporal interconnection" (interconnection from an initial time or up to a final time) and (iii) some algebraic developments based on the module theory and its relationship with the behavioral representations. The general case of time-varying systems is treated. Several examples illustrate the theory.
Long‐Life, High‐Rate Lithium–Sulfur Cells with a Carbon‐Free VN Host as an Efficient Polysulfide Adsorbent and Lithium Dendrite Inhibitor (2019)

Abstract Lithium–sulfur (Li‐S) batteries are a promising next‐generation energy‐storage system, but the polysulfide shuttle and dendritic Li growth seriously hinder their commercial viability. Most of the previous studies have focused on only one of these two issues at a time. To address both the issues simultaneously, presented here is a highly conductive, noncarbon, 3D vanadium nitride (VN) nanowire array as an efficient host for both sulfur cathodes and lithium‐metal anodes. With fast electron and ion transport and high porosity and surface area, VN traps the soluble polysulfides, promotes the redox kinetics of sulfur cathodes, facilitates uniform nucleation/growth of lithium metal, and inhibits lithium dendrite growth at an unprecedented high current density of 10 mA cm −2 over 200 h of repeated plating/stripping. As a result, VN‐Li||VN‐S full cells constructed with VN as both an anode and cathode host with a negative to positive electrode capacity ratio of only ≈2 deliver remarkable electrochemical performance with a high Coulombic efficiency of ≈99.6% over 850 cycles at a high 4 C rate and a high areal capacity of 4.6 mA h cm −2 . The strategy presented here offers a viable approach to realize high‐energy‐density, safe Li‐metal‐based batteries.
Digital image analysis assisted microradiography - measurement of mineral content of caries lesions in teeth (1991)

This study investigated the feasibility of using a digital image analysis system to process the information contained in microradiographs of tooth sections that included dental caries lesions. The results show that by using an aluminum step wedge to provide a range of thickness standards and a sound area of the sample as an internal reference, data on tooth mineral content as a function of the location can be obtained with an estimated error of less than 5% relative to the mineral content of sound area. This microradiographic technique allows the response of tooth samples to a remineralization treatment to be quantitatively measured and statistically analyzed.
Synthesis and Properties of the Analgesic DL-α-1,3-Dimethyl-4-phenyl-4-propionoxyazacycloheptane (Proheptazine)<sup>1</sup> (1964)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and Properties of the Analgesic DL-α-1,3-Dimethyl-4-phenyl-4-propionoxyazacycloheptane (Proheptazine)1Julius Diamond, William F. Bruce, and Floyd T. TysonCite this: J. Med. Chem. 1964, 7, 1, 57–60Publication Date (Print):January 1, 1964Publication History Published online1 May 2002Published inissue 1 January 1964https://pubs.acs.org/doi/10.1021/jm00331a013https://doi.org/10.1021/jm00331a013research-articleACS PublicationsRequest reuse permissionsArticle Views147Altmetric-Citations12LEARN 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
New multivalued functional decomposition algorithms based on MDDs (2000)

This paper presents two new functional decomposition partitioning algorithms that use multivalued decision diagrams (MDDs). MDDs are an exceptionally good representation for generalized decomposition because they are canonical and they can represent very large functions. Algorithms developed in this paper are for Boolean/multivalued input and output, completely/incompletely specified functions with application to logic synthesis, machine learning, data mining and knowledge discovery in databases. We compare the run-times and decision diagram sizes of our algorithms to existing decomposition partitioning algorithms based on decision diagrams. The comparisons show that our algorithms are faster and do not result in exponential diagram sizes when decomposing functions with small bound sets.