gebhart/patrepeval huggingface dataset:
Cloning and characterization of a new actin gene from Oryza sativa L. * (2004)

Abstract Using Rho family member osRACD as bait, a new member of actin gene family - Act was isolated from Oryza sativa by yeast two-hybrid system. The full-length cDNA was cloned with 5′ RACE technology, which contains an open reading frame of 1134 bp with a predicted protein of 377 amino acids. Sequence alignment revealed 96% to 81.8% identities with some known actin proteins in plants. The method of bioinformatics was used to analyze the protein modification sites, structure and evolution of the gene. Southern blot analysis showed that Act is a single-copy gene in the genome. The result of RT-PCR showed it is ubiquitously expressed in root, shoot, callus and panicle in a temporal fashion. The relationship between Rho family and actin family in evolution and function was also studied.
Preparation of protected amino aldehydes (1981)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation of protected amino aldehydesC. Freeman Stanfield, James E. Parker, and Panayiotis KanellisCite this: J. Org. Chem. 1981, 46, 23, 4797–4798Publication Date (Print):November 1, 1981Publication History Published online1 May 2002Published inissue 1 November 1981https://pubs.acs.org/doi/10.1021/jo00336a039https://doi.org/10.1021/jo00336a039research-articleACS PublicationsRequest reuse permissionsArticle Views875Altmetric-Citations52LEARN 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
Towards autonomous target detection and gas sensing using a UAV in an indoor environment (2018)

Monitoring of potentially dangerous concentrations of gasses enclosed areas can be a mundane, demanding, and dangerous task and requires a large amount of, both manned hours as well as multiple sensors. Unmanned Aerial Vehicles can be modified to suit a range of different applications. This report gives an overview of the design, implementation, and testing process of a UAV that can perform autonomous flight, target detection, and air quality sensing in an indoor environment. The UAV is required to autonomously navigate through an indoor environment using waypoint navigation and A-Star pathfinding, and locate and confirm the locations of three separate visual targets using a custom coded computer vision solution that uses a camera on board. Once each target is located, the UAV hovers at each target location and performs air quality analysis for 10 seconds with two on board sensors. During testing, the UAV was able to autonomously build its own search pattern once it was made aware of any obstacles in the flight area. All three targets were autonomously confirmed and air quality analysis was successful. All of the important flight data was wirelessly transmitted to a ground control station which included a web page with a graphical user interface. The web page displayed a real time image stream, alongside dynamic positional data in an interactive map of the test area and air quality results in an easy to read format.
A generic framework for device pairing in ubiquitous computing environments (2012)

Recently secure device pairing has had significant attention from a wide community of academic as wellas industrial researchers and a plethora of schemes and protocols have been proposed, which use various forms of out-of-band exchange to form an association between two unassociated devices. These protocolsand schemes have different strengths and weaknesses - often in hardware requirements, strength againstvarious attacks or usability in particular scenarios. From ordinary user's point of view, the problem then becomes which to choose or which is the best possible scheme in a particular scenario. We advocate that in a world of modern heterogeneous devices and requirements, there is a need for mechanisms that allowautomated selection of the best protocols without requiring the user to have an in-depth knowledge of the minutiae of the underlying technologies. Towards this, the main argument forming the basis of this research work is that the integration of a discovery mechanism and several pairing schemes into a single system is more efficient from a usability point of view as well as security point of view in terms of dynamic choice of pairing schemes. In pursuit of this, we have proposed a generic system for secure device pairing by demonstration of physical proximity. The contributions presented in this paper include the design and prototype implementation of the proposed framework along with a novel Co-Location protocol.
78. Carcinogenic nitrogen compounds. Part XIV. Friedel–Crafts reactions with m- and p-fluorotoluene (1953)

Ng. Ph. Buu-Hoï and Ng. D. Xuong, J. Chem. Soc., 1953, 386 DOI: 10.1039/JR9530000386
Molecular genetics and the initiation of solventogenesis in Clostridium beijerinckii (formerly Clostridium acetobutylicum) NCIMB 8052 (1995)

A physical map of the Clostridium beijerinckii (formerly Clostridium acetobutylicum) NCIMB 8052 chromosome has been constructed, encompassing about 90 rare restriction sites. The 14 rrn operons together with 40 genes have been assigned positions on the map. Genetic analysis and gene transfer have been developed in this organism to enable in vivo analysis of the roles of cloned genes using marker replacement technology. Experiments using the available genetic tools have shown that spo0A plays a cardinal role in controlling several aspects of the transition from exponential growth to stationary phase in C. beijerinckii. These include initiation of sporulation, accumulation of the storage polysaccharide, granulose, and production of acetone and butanol. Several C. beijerinckii and C. acetobutylicum genes concerned with fermentative metabolism, whose expression is modulated at the onset of solventogenesis, contain sequence motifs resembling 0A boxes in their 5′ regulatory regions. This invites the speculation that they are under direct control of Spo0A, and additional data are now required to test this prediction.
Steroid receptor heterodimerization demonstrated in vitro and in vivo. (1995)

The mineralocorticoid and glucocorticoid receptors (MR and GR, respectively) are members of the intracellular receptor superfamily that bind as homodimers to the same hormone response elements (HREs). Physiological evidence suggests that MR and GR interact with each other in cells that express both receptors, implying that they might directly interact in the regulation of transcription initiation. Indeed, we have found that coexpressed MR and GR interact functionally at the transcriptional level and furthermore that they interact physically through heterodimer formation at a shared HRE in vitro and in vivo. We suggest from these findings that heterodimerization may play an important role in steroid receptor transcriptional regulation.
Will the COVID-19 pandemic threaten the SDGs? (2020)

The UN's Sustainable Development Goals (SDGs), adopted in 2015, provide an international framework to move by 2030 toward more equitable, peaceful, resilient, and prosperous societies—while living within sustainable planetary boundaries. As the UN celebrates its 75th anniversary and a third of the SDG timeline has passed, The Sustainable Development Goals Report 2020—prepared by the UN Department of Economic and Social Affairs in collaboration with experts and international agencies— tells a story of tentative but insufficient progress, and warns of the regressive impact of the coronavirus pandemic.
Reverse-voltage protection methods for CMOS circuits (1989)

A number of circuit configurations for protection of CMOS circuits against erroneous connections to the surrounding world (e.g. reversal of the supply voltage) are suggested and analyzed. It is found that protection against any permutation of input connections, output connections, and supply voltage connections can be obtained. The design objective is to prevent permanent damage to the chip regardless of how it is connected. It has been found both analytically and experimentally that this design goal can be achieved.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
OPTIMIZATION OF FAULT DIAGNOSIS IN HELICOPTER HEALTH AND USAGE MONITORING SYSTEMS (2006)

Le système de surveillance (HUMS) installé dans les hélicoptères permet d'anticiper les anomalies et de donner la possibilité d'effectuer des tâches de maintenance prédictive avant l'apparition de défauts critiques. Par ailleurs, HUMS est également destiné à détecter la propagation de défauts émergents. Ceci consiste à comparer les caractéristiques vibratoires en vol de l'hélicoptère aux caractéristiques d'un état normal prédéfini. L'inconvénient majeur de cette approche est que les caractéristiques de l'état normal sont relatives au type de l'hélicoptère et changent après les tâches de révision et de maintenance, ce qui nécessite un réapprentissage de ces caractéristiques. Cette étude présente des méthodes d'évaluation de la progression temporelle des signatures vibratoires. L'étude de l'évolution de la signature vibratoire dans le temps permet de détecter des événements comme des interventions de maintenance ou des propagations de défauts sans avoir à définir un modèle de l'état de bon fonctionnement de l'appareil. Des méthodes fondées sur des modèles paramétriques et des bancs de filtres d'analyse vibratoire ont été testées et validées. Finalement, une méthode de détection de défauts a été mise en oeuvre et a donné de meilleurs résultats que les méthodes traditionnelles utilisées.
Cerebral injuries and intracranial hemorrhages as a result of trauma. (1990)

Cerebral injuries refer to an actual injury to the brain matter. Injuries seen are concussion, contusion, or diffuse axonal injury. Bleeding into any of the meningeal spaces, brain, or ventricles is known as intracranial hemorrhage. Seldom do cerebral injuries appear as distinct entities but rather as a combination of injuries. The neurologic dysfunction is the sum total of the injury. The significance of the initial injury lies in the development of secondary events, such as edema, hemorrhage, and swelling. These events may lead to further deterioration and neurologic dysfunction. Treatment is directed at preservation of brain homeostasis and prevention of secondary injury. Controlled hyperventilation is the mainstay in the treatment of increased ICP. Other therapies include barbiturate coma and the use of corticosteroids to reduce ICP. Nursing interventions focus on methods to promote cerebral perfusion and support other body systems affected by immobility and altered level of consciousness. Planning nursing care and activities to the patient's ICP and CPP responses is indicated.
Location and Situation Based Services for Pervasive Adventure Games (2010)

This paper describes the design and implementation of location and situation based adventure games. The prototype uses different types of sensor data - including 3D acceleration data and XPS - to determine the current positions and activities of the players. Depending on the continuous classification, data and quests are retrieved accordingly from a central information system and visualised for the players on the mobile devices. By solving quests and performing sports the players are able to participate in the game.
Simulation and evaluation of the vehicle steering wheel angle pulse input test based on ADAMS (2011)

The vehicle's steering wheel angle pulse input performance is an representative test of handling and stability, it characterizes vehicle's handling and stability by the transient response of the steering wheel angle pulse input. Taking the vehicle for example, in ADAMS software, vehicle dynamics model is built. According to GB/T6323.3-94 standards, the steering wheel angle pulse input virtual test is carried out, and then applied the QC/T 480-1999 limit vehicle handling and stability indices and assessment methods to evaluate the results of the simulation, the result is 66.2247 points, among that, the resonant peak level is 36.0973 points, indicating the vehicle's steering transient response ability is poor, should be improved.
A Novel Lossless Compression for Hyperspectral Images by Context-Based Adaptive Classified Arithmetic Coding in Wavelet Domain (2007)

A novel hyperspectral-image lossless compression scheme in the wavelet domain is proposed in this letter. This scheme is based on the context-based adaptive classified arithmetic-coding technique. The adaptive classified scheme divides each of the residual images between the two adjacent wavelet images into different classes, resulting in not only skipping the coding of a lot of insignificant zeros but also making the similar coefficients cluster together. Through experiments, we found that, when similar coefficients are clustered together, the arithmetic coding can achieve a higher performance than no clustering. Therefore, we can say that the adaptive classified scheme makes a better use of the characteristics of hyperspectral images and the characteristics of the arithmetic-coding technique. Experiments show that our proposed scheme is capable of providing high compression performance.
Benchmarking Regression Algorithms for Income Prediction Modeling (2015)

This paper aims to predict incomes of customers for banks. In this large-scale income prediction benchmarking paper, we study the performance of various state-of-the-art regression algorithms (e.g. ordinary least squares regression, beta regression, robust regression, ridge regression, MARS, ANN, LS-SVM and CART, as well as two-stage models which combine multiple techniques) applied to five real-life datasets. A total of 16 techniques are compared using 10 different performance measures such as R2, hit rate and preciseness etc. It is found that the traditional linear regression results perform comparable to more sophisticated non-linear and two-stage models.
Brewing Beer with Sorghum (1999)

Research reports on extracts, proteins, total nitrogen and free amino nitrogen content of sorghum malt and worts obtained from mashes indicate that sorghum is potentially an alternative substrate for conventional beer brewing in the tropics. Remarkable variations in biochemical characteristics among different sorghum cultivars affect their optimal malting conditions. Factors such as temperature and time of steeping and germinating of grains with their intrinsic enzymic activities, and kilning temperature determine the quality of malt. Further works on mashing, viscosity and fermentability of worts as well as the character of the resulting beers, such as alcoholic content, colour, taste and specific gravity tend to confirm the status of sorghum as a credible substitute for barley in beer brewing. This review reports on progress made in the use of sorghum for brewing beer.
The Beginning of a New Era in Tissue Expansion: Self-Filling Osmotic Tissue Expander???Four-Year Clinical Experience (2004)

The osmotic tissue expander is a new device made of a hydrogel expanding skin that does not require external fillings. Once implanted, it absorbs body fluids, which leads to a gradual swelling of the device. The swelling phase is completed in 6 to 8 weeks and results in skin gain. Different shapes and sizes are available, and the devices can be used in almost every area of the body. Over a 4-year period, the osmotic tissue expander was used in 58 patients in different areas of the body. A round osmotic tissue expander was mainly used in breast reconstruction, and a rectangular expander was used for defect coverage after excision (i.e., of scars and tumors). The mean age of the patients was 49.34 years (range, 4 to 76 years). During the expansion phase, the patients noted only a little discomfort and pain for the first few days. Without a silicone membrane in the first-generation expander, the rate of successful explantation and good final result was 81.5 percent. In a few cases, rapid swelling of the device led to the introduction of a silicone membrane that encloses the expander and leads to a slower, more gradual, and consistent swelling. After introduction of the silicone envelope, the success rate improved to 91 percent. The expander is now used with a silicone membrane in every case. The osmotic tissue expander has many advantages compared with the conventional expander: there is no need for painful external fillings and the risk of external infections is avoided. The expander is 10 percent of its final volume and only requires a short incision and a small pocket. An operation can easily be performed under local anesthesia, with minimal tissue mobilization in older children and compliant patients.
Validity of clinical associations of biomarkers in translational research studies: the case of systemic autoimmune diseases (2010)

Abstract Introduction Validity of biomarkers may be affected if studies do not include certain features in their design. We evaluated whether translational research studies of potential biomarkers incorporated design features important for valid clinical associations. Methods We searched 10 journals for translational studies in six systemic autoimmune diseases published in 2004 through 2009. We included studies that reported associations between laboratory markers and the presence of disease, measures of disease activity, or prognosis. We examined the following design features: age, sex, and race matching; control for effects of treatment on expression of the biomarker; inclusion of patients with both early and late disease, or both active and inactive disease; longitudinal or cross-sectional design; and use of validated activity and damage measures. Results Among 170 articles, 156 articles examined potential biomarkers for diagnosis, 37 for disease activity assessment, and nine for prognosis; 67 were studies of rheumatoid arthritis (RA); 48, of systemic lupus erythematosus; and 41, of other diseases. Gene-expression profiles were the most commonly examined potential biomarkers ( n = 51). Fewer than one half of studies incorporated study-design features important for valid clinical associations. Only 47.4% of studies of biomarkers for diagnosis had groups that were age-matched, 45.5% were sex-matched, and 35.3% controlled for treatment. Studies that examined biomarkers in histologic samples and studies of RA were less likely to include important design features. Conclusions Fewer than one half of translational studies of potential biomarkers incorporated design features needed for valid interpretation of clinical associations. Attention to these features could reduce false-positive and false-negative associations.
High-intensity interval training and β-hydroxy-β-methylbutyric free acid improves aerobic power and metabolic thresholds (2014)

The study was registered on ClinicalTrials.gov (ID NCT01941368).
Interference analysis in an original TDMA-based high-density cellular radio network (2002)

This paper presents the results of analysis of co-channel interference in a high-density micro-cellular network using a novel architecture based on the concept of a "distributed base transceiver station (BTS)". The radio coverage is ensured by a set of mutually synchronised base stations, also called "relays", operating under the control of a concentrating entity. Implementation of a TDMA-based air interface using slow frequency hopping (SFH) is considered, Different system parameters are considered, including the number of relays (sites) in a cell, the distance between two adjacent sites, the antenna height above ground, etc. Feasibility of network implementation with separation as low as 100 meters between the relays is discussed. Also, the possibility of single-cell frequency reuse, based on generalised SFH and minimisation of co-channel interference through selective transmission, is demonstrated.
A genetic-based approach to personalized prostate cancer screening and treatment (2014)

Incorporation of panels of prostate cancer risk SNPs into clinical practice offers potential to provide improvements in patient selection for prostate cancer screening; PSA interpretation (e.g. by correcting for the presence of SNPs that influence PSA expression levels; decision for biopsy (using prostate cancer risk SNPs); and possibly the decision for treatment. A proposed clinical algorithm incorporating these prostate cancer risk SNPs is discussed.
Utility-based radio resource allocation for QoS traffic in wireless networks (2008)

In this paper, we study utility-based resource allocation for soft QoS traffic in infrastructure-based wireless networks. Soft QoS traffic here refers to the traffic which demands certain amount of bandwidth for normal operation but allows some flexibility when the given bandwidth is close to the preferred value. The resource requirement of soft QoS traffic can be described with sigmoid utility function. Our objective is to maximize the total utility of all soft QoS flows without going through a wireless bidding process. We develop essential theorems as the design guidelines for this problem, and then propose a sub-optimal, polynomial time solution based on the developed theorems. We prove that the difference in the performance of our mechanism and the optimal solution is bounded. The performance of the proposed solution is evaluated via simulations. The results show that our solution can adapt to any types of soft QoS flows. Specifically, it acts like a hard QoS system and allocates resource in a fairness-oriented manner when the utility functions of flows are unit-step functions; on the other hand, when the utility functions are concave, it behaves like a best effort system and allocates resource in a throughput-oriented way.
Quasi-Newton methods and their application to function minimisation (1967)

Introduction.The solution of a set of n nonlinear simultaneous equations, which may be writtencan in general only be found by an iterative process in which successively better, in some sense, approximations to the solution are computed.Of the methods available most rely on evaluating at each stage of the calculation a set of residuals and from these obtaining a correction to each element of the approximate solution.The most common way of doing this is to take each correction to be a suitable linear combination of the residuals.There is, of course, no reason in principle why more elaborate schemes should not be used but they are difficult both to analyse theoretically and to implement in practice.The minimisation of a function of n variables, for which it is possible to obtain analytic expressions for the n first partial derivatives, is a particular example of this type of problem.Any technique used to solve nonlinear equations may be applied to the expressions for the partial derivatives but, because it is known in this case that the residuals form the gradient of some function, it is possible to introduce refinements into the method of solution to take account of this extra information.Since, in addition, the value of the function itself is known, further refinements are possible.