gebhart/patrepeval huggingface dataset:
N-protonations and N-alkylation of cyclenphosphorane. Synthesis and crystal structure of a stable phosphorus compound with two N-protonated P-N bonds (1988)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTN-protonations and N-alkylation of cyclenphosphorane. Synthesis and crystal structure of a stable phosphorus compound with two N-protonated P-N bondsFrederic Bouvier, Jean Marc Dupart, and Jean G. RiessCite this: Inorg. Chem. 1988, 27, 2, 427–430Publication Date (Print):January 1, 1988Publication History Published online1 May 2002Published inissue 1 January 1988https://pubs.acs.org/doi/10.1021/ic00275a038https://doi.org/10.1021/ic00275a038research-articleACS PublicationsRequest reuse permissionsArticle Views53Altmetric-Citations9LEARN 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-AlertscloseSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts
Algorithms and Performances of Forward Link Supervision for Power Controlled CDMA Systems (2004)

A novel forward link supervision algorithm applicable to power controlled CDMA systems is presented. This new algorithm relies upon the quality of the dedicated power control commands and is therefore compatible with systems that offer packet data service without an assigned dedicated Walsh code channel such as that found in commercial systems denned by IS-2000 Rev C. The algorithm is analyzed both analytically and with simulations. The conclusion from these analyzes show that the proposed forward link supervision algorithm does not affect the call quality, minimizes the impact on the reverse link capacity from unreliable power control commands and leads to call termination only if necessary.
Extracellular matrix and platelet function in patients with musculocontractural Ehlers–Danlos syndrome caused by mutations in theCHST14gene (2012)

We report on a consanguineous, Afghani family with two sisters affected with characteristic facial features, multiple contractures, progressive joint and skin laxity, hemorrhagic diathesis following minor trauma and multisystem fragility-related manifestations suggestive of a diagnosis of musculocontractural Ehlers-Danlos syndrome (EDS). This novel form of connective tissue disorder was recently reported in patients of Japanese, Turkish, and Indian descent who were formerly classified as having EDS type VIB and has now been recognized to be a part of spectrum including patients previously classified as having adducted thumb-clubfoot syndrome. We identified a previously unreported mutation in the CHST14 gene, which codes for the enzyme dermatan 4-O-sulfotransferase. We discuss the prenatal presentation, detailed clinical manifestations, and neurological findings in two sisters with this newly described musculocontractural EDS-CHST14 type. We demonstrate that fibroblasts from one of our patients produce more chondroitin sulfate than normal and show lower than normal deposition of collagens I and II and fibrillin 1-containing microfibrills. These findings suggest that the imbalance in the glycosaminoglycan content in developing tissues might interfere with normal deposition of other extracellular matrix components and ultimately contribute to the development of the phenotype observed in these patients. Furthermore, we ruled out the contribution of intrinsic platelet factors to the bleeding diathesis observed in some affected individuals.
Development of Seismic Isolation Technique using a Pendulum Type Counterweight and Application of This Technique for Large Scale Electric Equipment. (1998)

This paper describes the seismic isolation technique by using a pendulum type counterweight as an application for the large scale bushing. In the first part, the characteristics of the seismic isolation device were expressed with differential equation of 3-degrees of freedom model. We verified by using the scale model that the simple simulation model is competent for expression of the vibration characteristics of proposed device. In the next place, using point P, Q theory for the simulation model, we proposed the determination method of the optimized parameter consist of seismic isolation device using a pendulum type counterweight. At last the effect of optimized isolation device was investigated with actual model. Sufficient suppression has been achieved by this proposed optimization method, consequently this seismic isolation device has a prominent potential to apply for large scale electric power devices.
Integrating Data-Driven Forecasting and Optimization to Improve the Operation of Distributed Energy Storage (2016)

Distributed energy technologies, such as residential energy storage, embedded generation, and microgrids, are likely to play an increasing role in future energy systems. Getting the most value from these distributed assets is often dependent on the ability to optimize their operation in a distributed manner. This distributed optimization, in turn, calls for effective short-term forecasts of the output of small-scale generating assets, and the demand of small-scale aggregations of users. This paper introduces the integration of data-driven forecasting and operational optimization methods into a single model, avoiding the need to explicitly produce forecasts. The method is tested against two empirical energy storage operational optimization problems, the minimization of peak energy drawn by a small aggregation of customers, and the minimization of the energy costs of a collection of households which have rooftop PV systems. The integrated forecasting and operational optimization approach performs well at the peak demand minimization problem for intermediate-sized aggregations (50 residential customers or more), while an approach with separate forecasting and optimization performed better on the energy cost minimization problem. These results suggest that the integrated approach can be effective in applications where (i) forecasting difficulty is intermediate, and (ii) the exact operational optimization formulation can be well approximated by a data-driven model trained on a small fraction of the available forecast training data.
ChemInform Abstract: In situ Surface Extended X‐Ray Absorption Fine Structure Spectroscopy of a Lead Monolayer at a Silver(111) Electrode/Electrolyte Interface. (1988)

Abstract A Pb adlayer on a Ag(111) electrode has been generated by underpotential deposition (UPD) from aqueous acetate solution, and its X‐ray absorption spectrum is obtained, at the PbLIII edge, with the use of fluorescence detection and grazing incidence excitation.
GCT-72. ANALYSIS OF microRNA EXPRESSION PROFILE OF INTRACRANIAL GERM CELL TUMORS: A PROMISING TOOL FOR DIFFERENTIAL DIAGNOSIS (2020)

Abstract INTRODUCTION One of the major limitations of pathological diagnosis for intracranial germ cell tumors (iGCTs) is tumor heterogeneity, which cannot be evaluated using limited amount of tumor tissues. In this study, we performed comprehensive analysis of microRNA (miRNA) of iGCTs to identify miRNAs profile to help determine tumor diagnosis. METHODS RNA was extracted from frozen samples of 16 germinoma and 14 NGGCTs. Five non-iGCT pediatric brain tumor tissues were used as control. miRNA expression analysis was performed using a 3D-Gene Human miRNA Oligo Chip ver.22 (Toray Industries, Inc) which was designed to detect 2565 miRNAs. The miRNA expression profile was analyzed using t-SNE dimensionality reduction and weighted average difference method (WAD). RESULTS Different histological subtypes of the iGCTs and control samples were clustered into distinct classes. Furthermore, we found that the germinoma, NGGCTs and control samples may be readily distinguished by expression patterns of miR-200 and miR-371a-3p: a high expression of miR-200 was observed in the NGGCTs, whereas a high expression of miR-371a-3p was observed in all cases of germinoma and some of NGGCTs. Neither of miR-200 nor miR371-3p was highly expressed in control samples. CONCLUSION Our data indicated that germ cell tumor and other pediatric brain tumors, and also germinoma and NGGCT can be distinguished by expression patterns of 2 micro RNA, miR-200 and miR-371a-3p. These 2 microRNA may serve as a useful tool for supporting the pathological diagnosis of iGCTs.
Epitaxial Design of GeSn Quantum Wells for Optoelectronic Applications (2019)

Epitaxial designs of GeSn/SiGeSn quantum wells for optoelectronic applications are theoretically demonstrated based on many-body theory. Layer structures for high-temperature operation lasers and electroabsorption modulators are discussed.
Chimeric antigen receptor (CAR) T therapies for the treatment of hematologic malignancies: clinical perspective and significance (2018)

Chimeric Antigen Receptor (CAR) T cell therapies - adoptive T cell therapies that have been genetically engineered for a new antigen-specificity - have displayed significant success in treating patients with hematologic malignancies, leading to three recent US Food and Drug Administration approvals. Based on the promise generated from these successes, the field is rapidly evolving to include new disease indications and CAR designs, while simultaneously reviewing and optimizing toxicity and management protocols. As such, this review provides expert perspective on the significance and clinical considerations of CAR T cell therapies in order to provide timely information to clinicians about this revolutionary new therapeutic class.
Influence of spin casting solvent on the self‐assembly of silicon‐containing block copolymer thin films via high temperature thermal treatment (2021)

Abstract The present paper focuses on the influence of different solvents (toluene, mesitylene, acetone, tetrahydrofuran, propylene glycol monomethyl ether acetate (PGMEA) and ethyl acetate) on the self‐assembly behaviour of cylinder‐forming polystyrene‐ block ‐poly(dimethylsiloxane‐ random ‐vinylmethylsiloxane) diblock copolymer films deposited on thin brush layers of polystyrene (PS) or polymethylmethacrylate (PMMA) polymers grafted to a silicon substrate. The morphology and the key metrics for all samples were determined from the analysis of the SEM images and their evolution was investigated, as a function of the annealing time at 310 °C, for each solvent and for both PS and PMMA brushes. In general, shorter correlation lengths ξ are observed on PS brushes than on PMMA brushes. In addition, SEM data analysis reveals that tetrahydrofuran, PGMEA and ethyl acetate solvents promote a morphological change from fingerprint‐like parallel cylinders to a hexagonally packed dot pattern for annealing time t A &gt; 30 s. Finally, the line edge roughness and linewidth roughness values are weakly dependent on both the casting solvent and the nature of the grafted brush. The reported data reveal that the choice of the polymer brush nature and of the solvent employed during the spin coating of the diblock copolymer film could substantially affect the self‐assembly process and requires accurate optimization due to their subtle interplay. © 2021 Society of Industrial Chemistry.
The Reactions between Polycations Carrying Charges in the Chain Backbone and Polycarboxylic Acids (1973)

主鎖た荷電を有するポリカチオンとポリカルボン酸(ポリメタクリル酸,ポリアクリル酸ポリイタコソ酸)とのポリイオンコンプレックス生成反応機構を電位差滴定によって検討した。この系の反応では,ポリカチオンの方が低分子のカチオン化合物と比較してはるかに多量のプロトンを放出し,鎖長すなわち電荷数がコンプレックス形成の重要な役割を果たすことが明らかとなった。さらにCoulomb力だけでなく,疎水結含もコソプレックス形成に影響することを,構造の異なるポリカルボン酸の比較を行なうことによって明らかにした。分子内相互作用の強さを示すHenderson-Hasselbach式のn'値を検討すると,ポリメタクリル酸では2.3であるが,ポリカチオンが共存すると1.4に低下し,隣接した解離カルボキシル基間の静電反発力がコンプレックス形成によりきわめて有効に除去されていることが示された。以上の結果から,高分子電解質の解離度や疎水性基がコソプレックス形成能を大きく支配することが結論された。
A -80.9dBm 450MHz Wake-Up Receiver with Code-Domain Matched Filtering using a Continuous-Time Analog Correlator (2019)

A continuous-time, clockless analog correlator uses pulse-position-encoded analog signal processing with VCOs as integrators and pulse-controlled relaxation delays; it operates as a matched filter to despread asynchronous wake-up codes. A correlator prototype has been designed in 65nm CMOS-LP technology, consumes 37nW from 0.54V, and performs code-domain filtering with an 11-bit Barker code for a wake-up receiver. The hardware of the proposed n-bit correlator architecture scales with O(n) compared to O(n <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> ) for asynchronous switched-capacitor correlators. A -80.9dBm 40nW wake-up receiver with 9dB better sensitivity and 3dB improved selectivity to AM interference thanks to the correlator is demonstrated.
Microstructured Photo‐Crosslinked Poly(Trimethylene Carbonate) for Use in Soft Lithography Applications: A Biodegradable Alternative for Poly(Dimethylsiloxane) (2018)

Photo-crosslinkable poly(trimethylene carbonate) (PTMC) macromers were used to fabricate microstructured surfaces. Microstructured PTMC surfaces were obtained by hot embossing the macromer against structured silicon masters and subsequent photo-crosslinking, resulting in network formation. The microstructures of the master could be precisely replicated, limiting the shrinkage. Microstructured PTMC was investigated for use in two different applications: as stamping material to transfer a model protein to another surface and as structured substrate for cell culture. Using the flexible and elastic materials as stamps, bovine serum albumin labelled with fluorescein isothiocyanate was patterned on glass surfaces. In cell culture experiments, the behavior of human mesenchymal stem cells on nonstructured and microstructured PTMC surfaces was investigated. The cells strongly adhered to the PTMC surfaces and proliferated well. Compared to poly(dimethylsiloxane) (PDMS), which is commonly used in soft lithography, the PTMC networks offer significant advantages. They show better compatibility with cells, are biodegradable, and have much better mechanical properties. Both materials are transparent, flexible, and elastic at room temperature, but the tear resistance of PTMC networks is much higher than that of PDMS. Thus, PTMC might be an alternative material to PDMS in the fields of biology, medicine, and tissue engineering, in which microfabricated devices are increasingly being applied.
Total Knee Arthroplasty in Patients 40 Years and Younger (2012)

Total knee arthroplasty (TKA) is a procedure with excellent clinical results in older patients with a primary diagnosis of osteoarthritis. Many younger patients undergo unicompartmental or high tibial osteotomy rather than TKA, but are not always good candidates for these joint-preserving procedures. The purpose of this study was to review the outcomes of patients 40 years of age and under who underwent TKA. We identified 33 patients (38 knees) who were 40 years of age or less at the time of surgery. These patients had a mean age of 36 years (range, 23 to 40 years), and were followed for a mean of 49 months (range, 16 to 101 months). The survival rate in the study cohort was 97%. For the young patient who is not a candidate for other types of joint preserving procedures, in the senior authors' experience total knee arthroplasties have performed well.
HEALTHCARE DISPARITY IN THE ASSESSMENT OF DEMENTIA IN THE PRIMARY CARE SETTING (2022)

Abstract Literature suggests racial implicit bias can significantly affect quality of care. Data demonstrates that older adult Blacks are twice as likely to have dementia as their White counterpart. Inappropriate cognitive screening by providers or diagnosing dementia just based on clinical impression could easily result in an over or under-estimation of the dementia. We reviewed the rate and method of cognitive screening in randomly selected patient records (n=75) at a primary care university clinic. Our results indicated that the cognitive screening rate for Black patients was lower compared to their White counterpart (43.4% Blacks vs 68.5% Whites, p &amp;lt; 0.05). We designed a quality improvement project to identify any contributory causes and challenges involved in screening for dementia with the goal to reduce racial disparity in dementia diagnosis. We identified knowledge deficits in providers in their approach towards patients with dementia and a lack of experience in their use of appropriate instruments for cognitive screening. A multipronged educational program, with videos, case conferences, presentations and one-to-one training by dementia experts and a neuropsychologist was employed to reduce the bias and train the providers in appropriate screening methods. Post-educational intervention, screening rates greatly improved in n=75 randomly selected patients from both races. In Whites, the screening rate increased by 20.9% to 89.4% and in Blacks by 38.9% to 82.3% (p &amp;lt; 0.05). Overall, the quality improvement driven educational intervention improved the self-efficacy of providers and improved the standardized dementia screening rates in Black patients to levels comparable to those of White patients.
Study of the Indoor Millimeter Wavelength Channel (2015)

In this paper, we conduct ray-tracing simulation studies using WinProp tool to understand the path loss, coverage area, diversity and delay spread of the 29GHz band in the indoor propagation environment, and compare the 29GHz indoor channel to the 2.9GHz indoor channel. In addition, we compare our simulation results with the measurement data from [4]. Based on our simulation results, we conclude that the 29GHz band has similar indoor channel characteristics as 2.9GHz and that any inherent impairment of the mmWave due to higher carrier frequency can easily compensated with beam forming techniques and other advanced algorithms. Specifically, our results show that the path loss exponents and the RMS delay spread values are similar at 29GHz and at 2.9GHz. In addition, our simulation results show that by having multiple access points on an office floor, we can significantly improve important diversity metrics such as the number of detectable beams and the angular separation of those beams, so as to make 29GHz system using beam forming technique more robust against beam blockage.
Engineering Development Model Testing of the PowerSphere (2004)

The Aerospace Corporation, NASA Glenn Research Center, Lockheed-Martin, and ILC Dover over the past two years have been engaged in developing a Multifunctional Inflatable Structure for the PowerSphere Concept under contract with NASA (NAS3-01115). The PowerSphere concept consists of a relatively large spherical solar array, which would be deployed from a micro satellite. 1–8 The PowerSphere structure and the deployment method was patented by the Aerospace Corporation (U.S. Patent Numbers 6,284,966 B1 and 6,318,675). The work on this project has resulted in a number of technological innovations in the state of the art for integrating flexible thin-film solar cells with flex circuit harness technology and inflatable ultraviolet-light-rigidizable structures.
17O NMR studies on substituted N‐arylacetamides and aryl acetates: Torsion angle and electronic effects (1988)

Abstract 17 O NMR spectroscopic data at natural abundance in acetonitrile at 75°C were obtained for sixteen N ‐arylacetamides, three N ‐methyl‐ N ‐arylacetamides and seven aryl acetates. The 17 O chemical shifts of the N ‐arylacetamides are significantly influenced by both electronic and steric factors. A Hammett plot of the data for 4‐substituted N ‐arylacetamides gives a slope of 22 ppm. Ortho substituents result in significant shielding effects, in contrast to previously reported results for conjugated ketnoes. A quantitative relationship between 17 O chemical shift data and torsion angle was found for the sterically hindered arylacetamides. Electronic effects on the aryl acetate 17 O chemical shifts are, in comparison, greatly reduced. Steric factors for aryl acetates show even smaller effects on the 17 O chemical shifts.
MLP-Mixer: An all-MLP Architecture for Vision (2021)

Convolutional Neural Networks (CNNs) are the go-to model for computer vision. Recently, attention-based networks, such as the Vision Transformer, have also become popular. In this paper we show that while convolutions and attention are both sufficient for good performance, neither of them are necessary. We present MLP-Mixer, an architecture based exclusively on multi-layer perceptrons (MLPs). MLP-Mixer contains two types of layers: one with MLPs applied independently to image patches (i.e. mixing the per-location features), and one with MLPs applied across patches (i.e. mixing spatial information). When trained on large datasets, or with modern regularization schemes, MLP-Mixer attains competitive scores on image classification benchmarks, with pre-training and inference cost comparable to state-of-the-art models. We hope that these results spark further research beyond the realms of well established CNNs and Transformers.
Quantization Noise Shaping on Arbitrary Frame Expansions (2006)

Quantization noise shaping is commonly used in oversampled A/D and D/A converters. This paper considers quantization noise shaping for arbitrary frame expansions of signals based on generalizing the view of first order noise shaping as a compensation of the quantization error through a projection. Two levels of generalization are developed, one a special case of the other, and two different cost models are proposed to evaluate the quantizer structures. Within our framework, the implementation of the quantizer and reconstruction are computationally straightforward. The computational complexity is in the initial determination of frame vector ordering, which is part of the quantizer design and carried out off-line. We show that in the case of frame representation corresponding to uniform oversampling, the natural ordering implied by sequential time sampling is optimal. Furthermore, for general finite frame expansions, the problem of optimal ordering corresponds to known problems in graph theory.