gebhart/patrepeval huggingface dataset:
Insertion of .gamma.-SO3 into Perfluoroalkyl- and Polyfluoroalkoxysilanes (1994)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInsertion of .gamma.-SO3 into Perfluoroalkyl- and PolyfluoroalkoxysilanesHagen Holfter, Robert L. Kirchmeier, and Jean'ne M. ShreeveCite this: Inorg. Chem. 1994, 33, 26, 6369–6372Publication Date (Print):December 1, 1994Publication History Published online1 May 2002Published inissue 1 December 1994https://pubs.acs.org/doi/10.1021/ic00104a055https://doi.org/10.1021/ic00104a055research-articleACS PublicationsRequest reuse permissionsArticle Views411Altmetric-Citations11LEARN 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
Exploiting Parallelism for Access Conflict Minimization in Flash-Based Solid State Drives (2017)

Solid state drives (SSDs) have been widely deployed in personal computers, data centers, and cloud storages. In order to improve performance, SSDs are usually constructed with a number of channels with each channel connecting to a number of nand flash chips, each flash chip consisting of multiple dies and each die containing multiple planes. Based on this parallel architecture, I/O requests are potentially able to access parallel units simultaneously. Despite the rich parallelism offered by the parallel architecture, recent studies show that the utilization of flash parallel units is seriously low. This paper shows that the low parallel unit utilization is highly caused by the access conflict among I/O requests. In this paper, we propose parallel issue queueing (PIQ), a novel I/O scheduler at the host systems. PIQ groups I/O requests without conflicts into the same batch and I/O requests with conflicts into different batches. Hence, the multiple I/O requests in one batch can be fulfilled simultaneously by exploiting the rich parallelism of SSDs. Extensive experimental results show that PIQ delivers significant performance improvement especially for the applications which have heavy access conflicts.
Sequence and structure of the yeast galactose transporter (1989)

The previously cloned GAL2 gene of the Saccharomyces cerevisiae galactose transporter has been sequenced. The nucleotide sequence predicts a protein with 574 amino acids (Mr, 63,789). Hydropathy plots suggest that there are 12 membrane-spanning segments. The galactose transporter shows both sequence and structural homology with a superfamily of sugar transporters which includes the human HepG2-erythrocyte and fetal muscle glucose transporters, the rat brain and liver glucose transporters, the Escherichia coli xylose and arabinose permeases, and the S. cerevisiae glucose, maltose, and galactose transporters. Sequence and structural motifs at the N-terminal and C-terminal regions of the proteins support the view that the genes of this superfamily arose by duplication of a common ancestral gene. In addition to the sequence homology and the presence of the 12 membrane-spanning segments, the members of the superfamily show characteristic lengths and distributions of the charged, hydrophilic connecting loops. There is indirect evidence that the transporter is an N-glycoprotein. However, its only N-glycosylation site occurs in a charged, hydrophilic segment. This could mean that this segment is part of a hydrophilic channel in the membrane. The transporter has a substrate site for the cyclic AMP-dependent protein kinase which may be a target of catabolite inactivation. The transporter lacks a strong sequence enriched for proline (P), glutamate (E), aspartate, serine (S), and threonine (T) and flanked by basic amino acids (PEST sequence) even though it has a short half-life. Mechanisms for converting the poor PEST to a possible PEST sequence are considered. Like the other members of the superfamily, the galactose transporter lacks a signal sequence.
Paternal obesity is associated with IGF2hypomethylation in newborns: results from a Newborn Epigenetics Study (NEST) cohort (2013)

While our small sample size is limited, our data indicate a preconceptional impact of paternal obesity on the reprogramming of imprint marks during spermatogenesis. Given the biological importance of imprinting fidelity, our study provides evidence for transgenerational effects of paternal obesity that may influence the offspring's future health status.
Prevalence of Meibomian Gland Dysfunction (1990)

This study was performed to determine the prevalence of Meibomian gland dysfunction (MGD) and to determine which patient profile factors might be associated with the syndrome. Patients were randomly selected, apparently normal patients presenting for routine vision examinations. Of the 398 patients for whom Meibomian gland expression was performed and a detailed history obtained, 155 patients or 38.9% exhibited MGD based on the principal clinical criterion of an absent or cloudy Meibomian gland secretion upon expression. Patient profile factors of gender, age, allergy occurrence, and contact lens wear were analyzed for correlation with MGD. Age was found to be the only significant correlating factor (positive correlation, p less than 0.0001).
On the Electron−Phonon Coupling of Individual Single-Walled Carbon Nanotubes (2005)

We show that the phonon coupling to the electronic system in individual metallic single-walled carbon nanotubes is not due to coupling to low-energy plasmons. The evidence stems from the measured Raman-Stokes G-mode, which for metallic and semiconducting tubes could be fitted well by the superposition of only two Lorentzian lines associated with vibrational modes along the nanotube axis and the nanotube circumference. In the case of metallic tubes the lower-energy G mode is significantly broadened, however maintaining the Lorentzian line shape, in contrast to the theoretically expected asymmetric Breit-Wigner-Fano line shape from phonon-plasmon coupling. The results were obtained by studying 25 individual metallic and semiconducting single-walled carbon nanotubes with atomic force microscopy, electron transport measurements, and resonant Raman spectroscopy.
Constitutional Revision - Judicial Selection - The Missouri Plan for New Mexico (1969)

The original bill provided that an incumbent judge would be defeated for reelection "if a majority of those voting on the question vote against retaining him in office."The amendment added the words "and if the total number of votes cast on the question shall be at least fifty per cent of the total number of legal voters voting at the election."The Albuquerque Tribune and the Santa Fe New Mexican, although both declared themselves in favor of judicial selection reform, were unable to accept the amendment which made it virtually impossible to remove a judge from office.At that time, after forty years of statehood, in only four of all elections held did 50% of the total voters participate.Nine judges, at that time, had been defeated since statehood for reelection.Id. at 168, 170-71.4. The judicial selection proposal fared worst of all proposals submitted to the voters, with 12,958 "for" to 21,935 "against."The judicial selection proposal did best generally in concentrations of Anglo-American population, worst in the northern and central counties where the Spanish-American vote predominated.The Spanish-Americans were apparently swayed by the argument that the new system would eliminate Spanish-American representation on the bench.The argument made headway, even though the Santa Fe New Mexican reported that only four of 51 district judges and one of 24 supreme court judges since statehood had Spanish names, and the situation could hardly deteriorate under the proposed system.Id.
Benzotriazole and Related Compounds as Corrosion Inhibitors For Copper (1967)

Examination of benzotriazole-treated surfaces on copper, and the complexes produced when benzotriazole and analogous compounds react with cuprous and cupric ions in aqueous solution, has shown that the film produced on copper has a polymeric structure and is chemically bonded to the metal or metal-oxide surface Thickness of the surface film is less than 50 Å, which complicates elucidation of the film structure. Exploratory work, therefore, has been based upon examination of the copper-benzotriazole complexes produced by precipitation in solution and it has been shown that the complexes also contain water molecules or hydroxyl ions, and that their structures are modified when other anions are present. Other nitrogen-containing heterocyclics also form polymeric complexes with copper, both on the metal surface and in solution, but do not exhibit the strong inhibitor properties of benzotriazole. Benzotriazole is effective for most copper-base materials and affords protection in aqueous and gaseous environments polluted with sulphur dioxide, hydrogen sulphide and salt mist. Benzotriazole can be applied as an aqueous solution or be incorporated into lacquers and polishes. A particularly valuable method of application is to expose the metal component to benzotriazole-impregnated paper.
Palmar aspergillosis in immunocompromised children (1986)

From the Sections of Infectious Diseases and Hematology/Oncology, Department of Pediatrics, The Ohio State University College of Medicine, and Children's Hospital, Columbus, OH.
Connection machine stereomatching (1986)

This paper describes a parallel real-time stereomatching algorithm and its implementation on the Connection Machine™ computer, a new massively parallel computing system. The main features of the algorithm are 1) real-time performance, 2) the full exploitation of the ordering constraint, 3) a representation that easily maps onto a parallel computer architecture, and 4) the ability to efficiently use a variety of matching primitives. Some results, including timings, are shown for both real and synthetic data. Also discussed are the use of color information and some subtle variations of the basic algorithm.
SOTPM: Software One-Time Programmable Memory to Protect Shared Memory on ARM Trustzone (2020)

In ARM TrustZone-based architecture, shared memory is one of the most useful schemes to enable isolated execution environments supported by TrustZone to communicate between environments. However, it is already known that shared memory is vulnerable to man-in-the-middle attacks since mechanisms to check integrity or authenticate callers for the shared memory payload are not supported in TrustZone. While an encryption-based method that resolves this limitation does exist, there are some architectural limitations. Indeed, even with key protection countermeasures applied, there is a risk that encryption keys may be leaked, as they are placed in insecure user memory during communication. Moreover, countermeasures for key leakage cause system performance overhead. In this paper, we propose a lightweight and secure scheme for shared memory, called Software One-Time Programmable Memory (SOTPM). SOTPM is a software-implemented, one-time programmable shared memory. It is based on the idea that payload encryption in the shared memory layer is unnecessary because sensitive data is already encrypted in the application layer before being written to the shared memory. SOTPM is set to read-only after data is written into SOTPM due to the one-time programmable characteristic. Therefore, attackers are unable to manipulate content in SOTPM during communication. Since it is not necessary for SOTPM to encrypt the payload in order to prevent malicious payload manipulation, it is possible to remove the risk of key leakage posed in previous studies. Additionally, in contrast with the existing method, our method can dramatically reduce system performance overhead. We implemented our prototype on an open-source hardware board with an Armv8-A processor and performed a security analysis and performance evaluation. The results show that SOTPM provides a sufficient level of security and less than 1% performance overhead, implying that SOTPM is a reasonable solution for current commercial products.
Continuous intravenous fucose treatment of rat mammary tumor (1972)

Abstract Thirteen male, adult, 400‐gm Lewis‐Wistar rats received implants of a transplantable mammary tumor, which had arisen spontaneously in rats being treated with N‐N Dimethyl B‐Aziridino propionamide. Three rats (controls) received no treatment, five were given dextrose (8.7 mg/kg/day) and five given L‐fucose (7.6 mg/kg/day) for four days. The sugars were adminstered by continuous intravenous infusion through a catheter placed in the superior vena cava which was maintained in position with a swivel harness apparatus allowing complete freedom of motion during therapy. There was a 20% reduction in tumor size (mean diameter) during fucose infusion, while the controls increased by 5%. The fucose did produce a diuresis but no toxicity was encountered. At sacrifice, on the 23rd day of tumor growth, bone marrow, liver, kidney, and spleen were normal histologically. Tumor fucose was approximately doubled in those receiving fucose, as compared to the control and dextrose treated animals.
Improved automatic off‐resonance correction without a field map in spiral imaging (1997)

Non-2DFT k-space readout strategies are useful in fast imaging but prone to blurring when reconstructed off resonance. Field inhomogeneities or susceptibility variations, coupled with a long readout time, are the major sources of this artifact. Correction methods based on a priori off-resonance information such as an acquired field map have been proposed in the literature. An alternative approach estimates the spatially varying off-resonance frequency from the data itself before applying a correction. In this latter approach there is a trade-off between the extent of correction and the chance of increased artifact due to estimation error. This paper introduces an improved algorithm for field map estimation which is both faster and more robust than the existing method. It uses a multi-stage estimation of the field map, starting from a coarse estimate both in frequency and space and proceeds towards higher resolution. The new algorithm is applied to phantom and in vivo images acquired with radial and spiral sequences to give sharper images.
Development of Spruce-Fir Stands Following Spruce Beetle Outbreaks (1974)

Logged and unlogged stands of Engelmann spruce-subalpine fire were evaluated in spruce beetle outbreak areas infested about 15, 25, 50, and 100 years ago. Seedling regeneration was generally adequate except in heavily logged areas, although seedlings are often damaged, apparently by animals. Species composition was dramatically altered in favor of fir in the unlogged spurce-fir type. In the overstory, fir may predominate for many years but eventually the spruce will replace it. When the forest reaches a basal area of 150 to 200+ ft2 per acre in predominantly large spruce, the potential for spurce beetle outbreaks increases. Changes in species composition with different intensities of beetle infestations and over several centuries are hypothesized.
Abnormal lens morphogenesis and ectopic lens formation in the absence of β‐catenin function (2007)

beta-Catenin plays a key role in cadherin-mediated cell adhesion as well as in canonical Wnt signaling. To study the role of beta-catenin during eye development, we used conditional Cre/loxP system in mouse to inactivate beta-catenin in developing lens and retina. Inactivation of beta-catenin does not suppress lens fate, but instead results in abnormal morphogenesis of the lens. Using BAT-gal reporter mice, we show that beta-catenin-mediated Wnt signaling is notably absent from lens and neuroretina throughout eye development. The observed defect is therefore likely due to the cytoskeletal role of beta-catenin, and is accompanied by impaired epithelial cell adhesion. In contrast, inactivation of beta-catenin in the nasal ectoderm, an area with active Wnt signaling, results in formation of crystallin-positive ectopic lentoid bodies. These data suggest that, outside of the normal lens, beta-catenin functions as a coactivator of canonical Wnt signaling to suppress lens fate.
BIOSORPTION OF HEXAVALENT CHROMIUM BASED ON MODIFIED Y ZEOLITES OBTAINED BY ALKALI-TREATMENT (2010)

The structural modification of external surface of NaY was investigated in order to enhance efficient biosorption systems consisting of a bacterial biofilm, Arthrobacter viscosus, supported on that zeolite, for removing hexavalent chromium from aqueous solutions.The supported bacterial biofilm reduces Cr(VI) to Cr(III) and this cation is then retained in the zeolite by ion exchange.NaY zeolite was modified by alkali-treatments using NaOH 2.0 M, with two different contact periods of time between the zeolite and the alkaline solutions, resulting in NaY A and in NaY B .The biosorbents supported on the modified NaY zeolite were tested in solutions with low concentration of chromium.The results showed that the modification of external surface of NaY zeolite allows an efficient Cr removal, and the maximum removal efficiency was observed for NaY A sample that was submitted to a smoother chemical treatment.
Stepwise mutation model and distribution of allelic frequencies in a finite population. (1978)

A mathematical theory is developed that enables us to derive a formula for the equilibrium distribution of allelic frequencies in a finite population when selectively neutral alleles are produced in stepwise fashion (stepwise mutation model). It is shown that the stepwise mutation model has a remarkable property that distinguishes it from the conventional infinite allele model (Kimura-Crow model): as the population size increases indefinitely while the product of the effective population size and the mutation rate is kept at a fixed value, the mean number of different alleles contained in the population rapidly reaches a plateau which is not much larger than the effective number of alleles (reciprocal of homozygosity).
[Effect of green vegetable on digestive tract absorption of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans in rats]. (1999)

The effect green vegetable on fecal excretion of polychlorinated dibenzo-p-dioxin (PCDD) congeners and polychlorinated dibenzofuran (PCDF) congeners was examined in male rats. The rats were administered 10% vegetable diets or a basal diet containing 0.2 ml of the causal rice-bran oil of Yusho that had occurred in the Southwest part of Japan in 1968 and kept on the same diet for five days. The fecal excretion of 2,3,7,8-T4CDD and 2,3,4,7,8-P5CDF in the group fed with Komatsuna, Mitsuba, Spinach and Perilla were 7.6-11.6 and 6.5-9.4 times higher, respectively, than that in the group fed with a basal diet. The fecal excretion of 2,3,7,8-T4CDD and 2,3,4,7,8-P5CDF in the group fed with Kale, Chinese chive, Shungiku, Chingentsuai, Green lettus and Sweet pepper were 3.3-4.8 and 4.3-4.5 times higher, respectively, than that in the basal group. The fecal excretion of 2,3,7,8-T4CDD and 2,3,4,7,8-P5CDF in the group fed with Chinese cabbage, Broccoli, Onion, Welsh onion, Cabbage and Celery were 1.6-3.0 and 1.2-1.3 times higher, respectively, than that in the basal group. A correlation between Chllophyll consumption and fecal excretion of PCDD and PCDF congeners was highly significant (p < 0.01). Next, we investigated the fecal excretion of PCDD and PCDF congeners from day 8 to day 35 in rats administered with 0.5 ml of the rice oil. The fecal excretion of 2,3,7,8-T4CDD and 2,3,4,7,8-P5CDF in the group fed with Perilla, Kale and Spinach were 3.1-4.9 and 3.0-3.6 times higner, respectively, than that in the basal group. The presents results suggest that the green vegetables might be useful in treatment of humans exposed to PCDD and PCDF congeners.
A Solid-Phase Synthetic Strategy for Labeled Peptides:  Synthesis of a Biotinylated Derivative of the δ Opioid Receptor Antagonist TIPP (Tyr-Tic-Phe-Phe-OH) (2003)

A general solid-phase synthetic strategy for labeled peptides was developed and used to prepare a biotinylated derivative of the delta opioid receptor antagonist TIPP (Tyr-Tic-Phe-Phe-OH). A monoprotected hydrophilic diamine linker was attached to an aldehyde-containing solid-phase resin by reductive amination, followed by introduction of biotin and peptide synthesis to yield Tyr-Tic-Phe-Phe-Asp-NH(CH(2)CH(2)O)(2)CH(2)CH(2)NH-biotin (2). The high delta receptor affinity and selectivity of 2 demonstrate the applicability of this design approach for labeled peptide derivatives.
Polymer-Clay Nanocomposites and Composites: Structures, Characteristics, and their Applications in the Removal of Organic Compounds of Environmental Interest (2016)

Nowadays, many organic contaminants, some of them byproducts from other types of reactions such as dyes or phenolic compounds, or even endocrine disruptors, pharmaceuticals, and personal care products, have been detected in wastewater. Most of them are not controlled and, possibly, can cause harmful effects in aquatic life at environmentally significant concentrations. It is noteworthy, that conventional wastewater treatment plants are not always effective for the removal of these classes of pollutants and so further water treatments are necessary. Therefore, many processes have been investigated for advanced treatment of these effluents as well as for organic pollutants degradation; among these, adsorption process has been used to remove them from wastewater. In addition, there has been a considerable development of new materials with interesting properties, both at large scale and at micro- or nanoscale. Some of these materials are more efficient than others, due to their dimensions in these latter scales, in different kind of applications; specifically, in the field of water treatment. This review is a brief survey of the main characteristics, structures, advantages and recent advances on polymer-clay composites (PCC’s) and polymer-clay nanocomposites (PCN’s), for environmental applications. In the first part are included some basic concepts: composite materials have components with contrasting yet complementary properties; e.g., organoclays which serve as reinforcement of polymeric matrices and give them a larger contact surface and greater mechanical strength. In particular, PCN’s are materials that are used in different applications, for instance to model the morphology of partially crystalline polymers, to remove pollutants from water effluents, to employ them in adsorption processes from water streams, etc. Finally, in the second part, some of developments in the synthesis and applications of these novel materials are discussed; in particular, applications on the field of water pollutants removal through the adsorption process.