nils-herrmann/clean_scirepeval huggingface dataset:
23 The influence of collateral regression post coronary chronic total occlusion (cto) percutaneous coronary intervention (pci) on donor vessel coronary pressure derived measurements
Year: 2017

There is strong evidence of FFR guided treatment in multi vessel disease. The presence of a concomitant CTO may influence the FFR measurement in donor vessel as suggested in previous studies and reports. This has an important implication on clinical decision making for complete revascularisation in patients with chronic total occlusion. We sought to investigate the influence of collateral regression after successful CTO recanalisation on donor vessel pressure derived indices.  The study participants were patients with angina who had RCA CTO. 28 out of 34 consecutive patients underwent successful PCI to RCA CTOs during the study period and completed the follow study (at 3 months post CTO PCI) were included in this analysis. Coronary pressure derived indices (resting PD/PA, iFR and FFR) were measured pre and post successful RCA CTO PCI in donor vessels and at follow up procedures.  The mean age was 62.38 years. The mean estimated CTO duration was 238.72 weeks and CTO length was 32.44 mm. 25 patients had ischaemia and or viability in the RCA territory assessed with cardiac MRI. LAD was the major donor vessel in 24 patients and LCX was the minor donor vessel in 4 patients. Percent stenosis on QCA in the major and minor donor vessel were 40.6% and 35.1% respectively. The mean resting Pd/Pa, iFR and FFR pre and post RCA CTO PCI and at follow up procedures in major donor vessel were (0.893, 0.862, 0.764) (0.907, 0.886, 0.753) and (0.918, 0.901, 0.787) respectively. The mean resting Pd/Pa, iFR and FFR pre and post RCA CTO PCI and at follow up procedures in minor donor vessel were (0.979, 0.966, 0.890) (0.983, 0.979, 0.880) and (0.981, 0.974, 0.898) respectively. The changes in coronary pressure derived indices pre and post RCA CTO PCI and at follow up procedures are summarised in table 1. In major donor vessel, there was significant changes in the difference between follow up and pre CTO PCI values for Pd/Pa, iFR and FFR values (p values 0.006, 0.003 and 0.047 respectively) There was also significant change in the difference between follow up and post CTO PCI FFR value (P value 0.002) FFR collateral reduced significantly at follow up (p value 0.000) Conclusion Successful recanalisation of a RCA CTO results in increase in major donor vessel coronary pressure derived indices at follow up procedure associated with the regression of collateral function. In patients with multi vessel disease, the expected change and the optimal timing to perform PCI in donor vessel should be considered when planning multi vessel revascularisation in this setting. Table 1 Coronary pressure derived indices pre and post RCA CTO PCI and at follow up procedures (FU:Follow up, Percutaneous Coronary Intervention, FFR: Fractional Flow Reserve, CTO: Chronic Total Occlusion)
Tau Positron Emission Tomography in Former National Football League Players
Venue: The New England journal of medicine
Year: 2019

Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease that has been associated with a history of repetitive head impacts. The neuropathological diagnosis is based on a specific pattern of tau deposition with minimal amyloid beta deposition that differs from other disorders, including Alzheimer's disease. The feasibility of detecting tau and amyloid deposition in the brains of living persons at risk for CTE has not been well studied.  We used flortaucipir positron emission tomography (PET) and florbetapir PET to measure deposition of tau and amyloid beta, respectively, in the brains of former National Football League (NFL) players with cognitive and neuropsychiatric symptoms and in asymptomatic men with no history of traumatic brain injury. Automated image analysis algorithms were used to compare the regional tau standardized uptake value ratio (SUVR, the ratio of radioactivity in a cerebral region to that in the cerebellum as a reference) between the two groups and to explore the associations of SUVR with symptom severity and with years of football play in the former player group.  A total of 26 former players and 31 controls were included in the analysis. The mean flortaucipir SUVR was higher among former players than among controls in three regions of the brain: bilateral superior frontal (1.09 vs. 0.98; adjusted mean difference, 0.13; 95% confidence interval [CI] 0.06 to 0.20; P<0.001) bilateral medial temporal (1.23 vs. 1.12; adjusted mean difference, 0.13; 95% CI, 0.05 to 0.21; P<0.001) and left parietal (1.12 vs. 1.01; adjusted mean difference, 0.12; 95% CI, 0.05 to 0.20; P=0.002) In exploratory analyses, the correlation coefficients in these three regions between the SUVRs and years of play were 0.58 (95% CI, 0.25 to 0.79) 0.45 (95% CI, 0.07 to 0.71) and 0.50 (95% CI, 0.14 to 0.74) respectively. There was no association between tau deposition and scores on cognitive and neuropsychiatric tests. Only one former player had levels of amyloid beta deposition similar to those in persons with Alzheimer's disease.  A group of living former NFL players with cognitive and neuropsychiatric symptoms had higher tau levels measured by PET than controls in brain regions that are affected by CTE and did not have elevated amyloid beta levels. Further studies are needed to determine whether elevated CTE associated tau can be detected in individual persons.
Prevencion del personal sanitario penitenciario a n te un brote de Escabiosis: a proposito de un brote
Year: 2018

espanolComo consecuencia de un brote de escabiosis en nuestro centro penitenciario y el contagio y propagacion del parasito entre internos, el equipo sanitario se pone en alerta. Se somete a examen el procedimiento llevado a cabo para hacer frente al contagio del colectivo, y su tratamiento, y se percibe una notable escasez de informacion entre el personal sanitario para sobrellevar la situacion con eficacia y sin riesgos. Ademas se hace visible la falta de un protocolo de prevencion para el personal sanitario que esta en contacto con los internos infectados. Ante esta circunstancia se procede a revisar el protocolo de actuacion, para detectar las posibles carencias y se establece un nuevo plan para saber afrontar de una ma nera mas eficiente futuras infestaciones, haciendo hincapie en la proteccion laboral. Se desc riben las actuaciones de formacion propuestas para realizar una mejor atencion sanitaria que suponga el minimo riesgo para el trabajador. Las medidas de aislamiento son fundamentales para evitar brotes de este parasito tan contagioso y en especial en los centros penitenciarios donde con cierta frecuencia aparece algun caso. Debido a este hecho el equipo sanitario penitenciario debe estar muy preparado para afrontar un brote de sarna dentro del centro. Con el presente estudio se proponen como objetivos: revisar los protocolos de actuacion ante un brote institucional de escabiosis e identificar y proponer medidas preventivas para el personal sanitario implicado en atender a los casos EnglishAs a consequence of an outbreak of scabies in our prison and the spread and spread of the parasite among inmates, the medical team is put on alert. The procedure carried out to deal with the contagion of the group, and its treatment, is under scrutiny, and there is a noticeable lack of information among health personnel to cope with the situation effectively and without risks. In addition, the lack of a prevention protocol for health personnel who are in contact with infected inmates is visible.Given this circumstance, we proceed to review the action protocol to detect possible deficiencies and establish a new plan to deal with future infestations in a more e fficient manner, with an emphasis on labor protection. The proposed training actions are described to carry out a better health care that involves the minimum risk for the worker. The measures of isolation are essential to avoid outbreaks of this very contagious par asite and especially in prisons where a case often appears. Due to this fact the penitential health team must be very prepared to face an outbreak of scabies inside the center. With the present study, the following objectives are proposed: review the protocols of action in the face of an institutional outbreak of scabies and identify and propose preventive measures for the health personnel involved in dealing with the cases.
Differential Noncircular Pulleys for Cable Robots and Static Balancing
Year: 2018

In this paper, we introduce a mechanism consisting of a pair of noncircular pulleys with a constant length cable. While a single noncircular pulley is generally limited to continuously winding or unwinding, the differential cable routing proposed here allows to generate non monotonic motions at the output of the arrangement, i.e. the location of the idler pulley redirecting the cable. The equations relating its motion to rotation angles of the noncircular pulleys and to the cable length are presented in the first part of this paper. Next, we introduce a graphical method allowing us to obtain the required pulley profiles for a given output function. Our approach is finally demonstrated with two application examples: the guiding of a cable suspended robot along a complex trajectory using a single actuator, and the static balancing of a pendulum with a 360 degree rotational range of motion.
Effective Methods for Lightweight Image Based and Video Based Face Recognition
Venue: 2019 IEEE/CVF International Conference on Computer Vision Workshop (ICCVW)
Year: 2019

Face recognition has achieved significant advances with the rise of deep convolutional neural networks (CNNs) and the development of large annotated datasets. However, how to design deep models in lightweight face recognition is still a challenge when aiming at mobile and embedded devices. In this paper, we focus on recent efficient CNN architectures, speedup skills and reduction methods to design models for lightweight face recognition. We combine octave convolution with MobileNet and ResNet for those models sensitive to computation complexity, replace feature output layer for those models sensitive to memory and explore network scaling for more powerful representation. Further, we extract a subset from the whole training dataset to speed up the performance evaluation of different models. We provide a scaling method on MobileFaceNet to boost the performance with the limit of computational cost, and propose a simple supplementary method for average pooling which throws up those noise frames based on the cluster information in video face recognition. With the upper bound of 1G FLOPs computation complexity and 20MB model size, our best model achieves 99.80% accuracy on LFW, 98.48% on AgeDB, 98% on CFP FP and 97.67% TAR@FAR 10^6 on MegaFace.
Computational Intelligence in Automatic Face Age Estimation: A Survey
Venue: IEEE Transactions on Emerging Topics in Computational Intelligence
Year: 2019

With the rapid growth of computational intelligence techniques, automatic face age estimation has achieved good accuracy that benefited real world applications such as access control and monitoring, soft biometrics, and information retrieval. Over the past decade, many new algorithms were developed and previous surveys on face age estimation were either outdated or incomplete. Considering the importance of the expanding research in this topic, we aim to provide an up to date survey on the face age estimation techniques. First, we summarize the state of the art databases and the performance metrics for face age estimation. Then, we review the age estimation techniques based on three categories of face features (local, global, and hybrid) and discuss different types of age learning algorithms. Finally, we identify the challenges and provide new insights for future research directions of fully automated face age estimation.
Formal Security Analysis of Neural Networks using Symbolic Intervals
Venue: USENIX Security Symposium
Year: 2018

Due to the increasing deployment of Deep Neural Networks (DNNs) in real world security critical domains including autonomous vehicles and collision avoidance systems, formally checking security properties of DNNs, especially under different attacker capabilities, is becoming crucial. Most existing security testing techniques for DNNs try to find adversarial examples without providing any formal security guarantees about the non existence of such adversarial examples. Recently, several projects have used different types of Satisfiability Modulo Theory (SMT) solvers to formally check security properties of DNNs. However, all of these approaches are limited by the high overhead caused by the solver. In this paper, we present a new direction for formally checking security properties of DNNs without using SMT solvers. Instead, we leverage interval arithmetic to compute rigorous bounds on the DNN outputs. Our approach, unlike existing solver based approaches, is easily parallelizable. We further present symbolic interval analysis along with several other optimizations to minimize overestimations of output bounds. We design, implement, and evaluate our approach as part of ReluVal, a system for formally checking security properties of Relu based DNNs. Our extensive empirical results show that ReluVal outperforms Reluplex, a state of the art solver based system, by 200 times on average. On a single 8 core machine without GPUs, within 4 hours, ReluVal is able to verify a security property that Reluplex deemed inconclusive due to timeout after running for more than 5 days. Our experiments demonstrate that symbolic interval analysis is a promising new direction towards rigorously analyzing different security properties of DNNs.
LEGAL NIHILISM: THE PROBLEM OF UNDERSTANDING
Year: 2020

The article analyzes the reasons why researchers fail to Express the essence of legal nihilism clearly and accurately. The article deals with such problems of interpretation of legal nihilism as filling the gaps in scientific knowledge about it with myths, rejecting conceptual analysis in favor of conceptual analysis, ignoring the multilayered concept of <legal nihilism> and its cultural conditionality, and verbalization of this concept by means of the philosophical and legal language, rather than the language of legal science. While emphasizing that these problems can be eliminated, the author emphasizes that along with them there is a fundamentally unsolvable problem: legal nihilism is an idea that is difficult to relate to empirically known reality, and this calls into question the very possibility of considering the formation of an understanding of legal nihilism as a scientific, rather than a philosophical problem.
VSP at PharmaCoNER 2019: Recognition of Pharmacological Substances, Compounds and Proteins with Recurrent Neural Networks in Spanish Clinical Cases
Venue: BioNLP OST@EMNLP IJNCLP
Year: 2019

This paper presents the participation of the VSP team for the PharmaCoNER Tracks from the BioNLP Open Shared Task 2019. The system consists of a neural model for the Named Entity Recognition of drugs, medications and chemical entities in Spanish and the use of the Spanish Edition of SNOMED CT term search engine for the concept normalization of the recognized mentions. The neural network is implemented with two bidirectional Recurrent Neural Networks with LSTM cells that creates a feature vector for each word of the sentences in order to classify the entities. The first layer uses the characters of each word and the resulting vector is aggregated to the second layer together with its word embedding in order to create the feature vector of the word. Besides, a Conditional Random Field layer classifies the vector representation of each word in one of the mention types. The system obtains a performance of 76.29% and 60.34% in F1 for the classification of the Named Entity Recognition task and the Concept indexing task, respectively. This method presents good results with a basic approach without using pretrained word embeddings or any hand crafted features.
Broadband chromatic dispersion induced power fading compensation for radio over fiber links based on Hilbert transform.
Venue: Optics letters
Year: 2019

A Hilbert transform based broadband chromatic dispersion (CD) compensation scheme for radio over fiber links is proposed and experimentally demonstrated. By constructing a Hilbert transform path, CD induced phase shifts, which initially lead to periodic power fading of the output RF signals, are transferred to the phases of the RF signals. As a result, the powers of the output RF signals are free from the effect of CD in a broadband frequency range. Experimental results show that a flat normalized amplitude frequency response is actualized within 2 24 GHz, with only 3.02 dB/4.27 dB power fluctuation after transmission over an equivalent of a 38.6 km/43.6 km single mode fiber. Besides, compared with a conventional dispersive path, the proposed CD compensation scheme significantly improves the third order spurious free dynamic range by 23.60 dB.
Asian ladybird folding and unfolding of hind wing: biomechanical properties of resilin in affecting the tensile strength of the folding area
Venue: Journal of Materials Science
Year: 2020

The deployable hind wings of Coleoptera are a highly specialized motive system that can fold and unfold in a unique way. Resilin in the wing membrane of Asian ladybird beetle Harmonia axyridis hind wings plays an active role during folding and unfolding of the wing. This study investigates the tensile properties of the hind wing and the distribution of resilin through the hind wing in an adult H. axyridis (Coleoptera: Coccinellidae) and how the resilin in the membrane of the hind wing affects its mechanical characteristics. The cross sections of veins of the hind wing are investigated by inverted fluorescence microscopy. Based on those results, two three dimensional finite element models of the hind wing with/without resilin are established. The displacements, when subjected to pressure on the ventral side, are analyzed when the membrane wings are filled with/without resilin. The resilin in the hind wing is effectively for changing the flight performance such as the condition of stress and deformation. The results in this paper reveal the multiple functions of the resilin in the hind wings and have important implications for the design of biomimetic deployable micro air vehicles.
Intercultural Communicative Competence in English Language Teaching: Towards Validation of Student Identity
Year: 2015

While the use of appropriate linguistic items is essential for successful communication in any language, sociocultural factors also play an important role. Intercultural communicative competence is one dimension of sociocultural awareness that has been recognized as integral for communicative competence, but its practical application remains a challenge, possibly due to the fact that language educators tend to have more knowledge about the target language than its related cultural aspects (Celce Murcia, 2007) While cultural references are, even if implicitly, prevalent in textbooks, teacher discourse, and the media, they are often reduced to "American" or "British" while the culture of speakers of English from many other countries, including Brazil, are often ignored. Another important dimension that positively affects language and cultural learning is the representation of one's identity (Norton, 2013) In this sense, implementing intercultural communicative competence (ICC) in English Language Teaching (ELT) allows learners to express their identities while engaging in meaningful discussions about cultural views. This article provides a brief overview of communicative competence and draws on Byram's (1997) model of ICC to suggest pedagogical applications aimed at validating student identity in English language classes, particularly but not exclusively, in Brazil.
AKTIVITAS EKSTRAK DAUN RUMPUT BERMUDA (Cynodon dactylon L. Pers) TERHADAP PENYEMBUHAN LUKA BAKAR PADA KELINCI (Oyctolagus cuniculus)
Year: 2020

This study aims to determine the activity of the extract of Bermuda grass (Cynodon dactylon L. Pers) in burn treatment and to identify the effective concentration in burn treatment. The testing animals employed were male rabbits (Oryctolagus cuniculus) divided into 5 testing groups. Each rabbit made burn on the back of 2 cm in diameter; the first group was administered Bioplacenton gel (positive control) group II was administered Na CMC (negative control) group III, IV, and V were administered the extract of bermuda grass leaf of different concentration of 1% 3% and 5% respectively. The measurement of the burn used Vernier Caliper every day for 21 days. The data obtained were analyzed using the One Way Anova test and followed by the Post hoc Duncan test. The statistical result shows that the extract of bermuda grass contribute to the burn treatment activity in rabbits. The effective concentration is of 5%
A Seven Year Retrospective Clinico Pathologic Analysis of Fibro Osseous Lesions in A Tertiary Dental Health Care Centre
Year: 2019

Fibro osseous lesions pose a diagnostic difficulty as they are not distinguishable histologically. Here, a 7 year retrospective clinic pathologic analysis of fibro osseous lesions was studied in Govt. Dental College, Trivandrum. Confirmed fibro osseous lesions reports between the months of August 2008 July 2015 were retrieved. The lesions were selected on the basis of WHO 2005 classification of fibro osseous lesions. Patient's clinical data including the age, gender, anatomic location and diagnosis was retrieved. Data was entered in excel sheet and the percentage prevalence of the cases was done. It was seen that the number of cases that reported to the Department was 34 which is only about 1% of total cases that reported to the Department. Out of this 61.77% of cases were cemento ossifying fibroma, 32.36 fibrous dysplasia and 5.88% central giant cell granuloma. 97.06% of cases were females and 2.94% were males. In 67.65 mandible was affected, 29.42% affected maxilla and 2.94% affected zygoma. Mean age of those affected was 29.06 years with maximum prevalence seen in the age groups of 11 20 and 31 40 years. Among those affected 11.76% showed non expansile lesions, 47.06 showed buccal, 2.94% lingual and 38.24 showed bilateral expansion. It is seen that fibro osseous lesions affects mostly females especially in the third decade. Cemento ossifying fibroma represented the majority of the lesions and most were buccally expanding lesions Prospective studies are needed to be done as why and what seem to be the cause of the lesion.
Non invasive continuous time glucose monitoring system using a chipless printable sensor based on split ring microwave resonators
Venue: Scientific Reports
Year: 2020

This paper reports a highly sensitive, non invasive sensor for real time glucose monitoring from interstitial fluid. The structure is comprised of a chip less tag sensor which may be taped over the patient's skin and a reader, that can be embedded in a smartwatch. The tag sensor is energized through the established electromagnetic coupling between the tag and the reader and its frequency response is reflected on the spectrum of the reader in the same manner. The tag sensor consumes zero power as there is no requirement for any active readout or communication circuitry on the tag side. When measuring changes in glucose concentrations within saline replicating interstitial fluid, the sensor was able to detect glucose with an accuracy of 1 mM/l over a physiological range of glucose concentrations with 38 kHz of the resonance frequency shift. This high sensitivity is attained as a result of the proposed new design and extended field concentration on the tag. The impact of some of the possible interferences on the response of the sensor's performance was also investigated. Variations in electrolyte concentrations within the test samples have a negligible effect on the response of the sensor unless these variations are supra physiologically large.