Miracle-dz/UniFAR-FTUs huggingface dataset:
Second-order topological insulator under strong magnetic field: Landau levels, Zeeman effect, and magnetotransport

We study a three-dimensional chiral second order topological insulator (SOTI) subject to a magnetic field. Via its gauge field, the applied magnetic field influences the electronic motion on the lattice, and via the Zeeman effect, the field influences the electronic spin. We compare two approaches to the problem: an effective surface theory, and a full lattice calculation. The surface theory predicts a massive Dirac spectrum on each of the gapped surfaces, giving rise to Landau levels once the surfaces are pierced by magnetic flux. The surface theory qualitatively agrees with our lattice calculations, accurately predicting the surface gap as well as the spin and orbital components of the states at the edges of the surface Dirac bands. In the context of the lattice theory, we calculate the spectrum with and without magnetic field and find a deviation from the surface theory when a gauge field is applied. The energy of the lowest-lying Landau level is found closer to zero than is predicted by the surface theory, which leads to an observable magnetotransport signature: inside the surface gap, there exist different energy regions where either one or two chiral hinge modes propagate in either direction, quantizing the differential conductance to either one or two conductance quanta.
The detrimental role of angiotensin receptor agonistic autoantibodies in intrauterine growth restriction seen in preeclampsia

Growth-restricted fetuses are at risk for a variety of lifelong medical conditions. Preeclampsia, a life-threatening hypertensive disorder of pregnancy, is associated with fetuses who suffer from intrauterine growth restriction (IUGR). Recently, emerging evidence indicates that preeclamptic women harbor AT1 receptor agonistic autoantibodies (AT1-AAs) that contribute to the disease features. However, the exact role of AT1-AAs in IUGR and the underlying mechanisms have not been identified. We report that these autoantibodies are present in the cord blood of women with preeclampsia and retain the ability to activate AT1 receptors. Using an autoantibody-induced animal model of preeclampsia, we show that AT1-AAs cross the mouse placenta, enter fetal circulation, and lead to small fetuses with organ growth retardation. AT1-AAs also induce apoptosis in the placentas of pregnant mice, human villous explants, and human trophoblast cells. Finally, autoantibody-induced IUGR and placental apoptosis are diminished by either losartan or an autoantibody-neutralizing peptide. Thus, these studies identify AT1-AA as a novel causative factor of preeclampsia-associated IUGR and offer two possible underlying mechanisms: a direct detrimental effect on fetal development by crossing the placenta and entering fetal circulation, and indirectly through AT1-AA–induced placental damage. Our findings highlight AT1-AAs as important therapeutic targets.
Cypriot Muslims among Ottomans, Turks and Two World Wars

This article focuses on the secular Turkish identity that was being shaped during the interwar period. It examines the cleavages within the Muslim community of Cyprus and explores the formation of the Turkish Cypriot national identity. The main argument of this paper is that the rift in the Muslim community during the interwar period was a reflection of the conflict between the reformist and traditional trends that was taking place at the same time in the Republic of Turkey. During the interwar period, 1919-1939, the Muslim community of Cyprus was divided between the secularist and the traditional Muslims. As in Turkish society in the 1920s, the Turkish Cypriot community was dominated by the so-called traditional Muslims. Only the Muslim elite minority favored Kemal Ataturk’s secular views. The British colonial rule cooperated more with traditional elites. At the same time secularist Muslims were cooperating with Greek Cypriots in economic issues. The 1930s was the crucial decade in the development of a Turkish Cypriot secular identity. This internal conflict of the Muslim community was terminated after World War II, with the victory of the secularists.
Histologic transformation of follicular lymphoma to diffuse lymphoma represents tumor progression by a single malignant B cell

To investigate the clonal relationship between follicular lymphoma (FL) and transformed diffuse lymphoma (tDL), we examined the expression of tumor idiotype, immunoglobulin (Ig) gene rearrangements and sequence of Ig variable genes in paired tissue specimens. All 16 cases analyzed expressed surface immunoglobulin (sIg) on both the FL and the tDL, though the immunophenotype of one case of FL could not be definitively determined. In 14 of 15 cases, the surface immunophenotype was preserved; the exception was likely secondary to a class switch from IgM to IgG. In 12 of 13 cases, antiidiotypic monoclonal antibodies prepared against the FL reacted with the paired tDL. Analysis of Ig gene rearrangements in four cases by Southern blot hybridization showed evidence of clonal relationships in all cases though concordance was not seen with all probes tested (C kappa, C lambda, JH, PFL1, and PFL2). In the one case that had a discordant L chain rearrangement, sequence analysis of the L chain demonstrated a common mature B cell origin for both the FL and tDL. To determine whether tDL arose from one or more FL cells, the sequences of the H chain variable genes were analyzed. Individual clones of the V region gene of the FL showed a random distribution of changes throughout the sequence. In contrast, individual clones of the V region gene from tDL shared numerous nonrandom sequence alterations, implying a common single cell origin. In conclusion, tDL is a mature B cell and arises by transformation of a single FL cell.
Hashimoto's thyroiditis predicts outcome in intrathyroidal papillary thyroid cancer.

Hashimoto's thyroiditis (HT) seems to have favourable prognostic impact on papillary thyroid cancer (PTC), but data were obtained analysing all disease stages. Given that HT-related microenvironment involves solely the thyroid, we aimed to assess the relationship between HT, as detected through pathological assessment, and outcome in intrathyroidal PTC. This was a multicentre, retrospective, observational study including 301 PTC with no evidence of extrathyroidal disease. Primary study endpoint was the rate of clinical remission. Auxiliary endpoint was recurrence-free survival (RFS). HT was detected in 42.5% of the cohort and was associated to female gender, smaller tumour size, lower rate of aggressive PTC variants and less frequent post-surgery radio-iodine administration. HT showed relationship with significantly higher rate of clinical remission (P < 0.001, OR 4, 95% CI 1.78-8.94). PTCs with concomitant HT had significantly longer RFS, as compared with non-HT tumours (P = 0.004). After adjustment for other parameters affecting disease outcome at univariate analysis (age at diagnosis, histology, tumour size and multifocality), prognostic effect of HT remained significant (P = 0.006, OR 3.28, 95% CI 1.39-7.72). To verify whether HT could optimise the identification of PTCs with unfavourable outcome, we assessed the accuracy of 'non-HT status' as negative prognostic marker, demonstrating poor capability of identifying patients not maintaining clinical remission until final follow-up (probability of no clinical remission in PTCs without HT: 21.05%, 95% CI 15.20-27.93). In conclusion, our data show that HT represents an independent prognostic parameter in intrathyroidal PTC, but cannot improve prognostic specificity.
The role of melatonin supplement in metabolic syndrome

PurposeMetabolic syndrome contains metabolic disorders that have association with other chronic diseases. Melatonin is a bioactive compound which is found in plants and also produced in the body. The purpose of this paper is to assess the effect of melatonin supplement on metabolic syndrome components, also leptin and adiponectin blood concentrations in patients with metabolic syndrome.Design/methodology/approachA double blind, placebo-controlled, randomized clinical trial was conducted on 70 subjects with metabolic syndrome. Participants received 6 mg/day melatonin or placebo before bedtime for 12 weeks. At the beginning and end of treatment period, blood samples were collected and biochemical parameters were measured. In addition, blood pressure and anthropometric indices were examined before and after the supplementation. Independent samplet-test was used to compare changes in metabolic syndrome components between the two study groups.FindingsResults showed a significant reduction in waist circumference (−1.54 vs −0.04 cm;p= 0.036), systolic blood pressure (−3.52 vs 0.79 mmHg;p= 0.020), diastolic blood pressure (−1.50 vs 1.73 mmHg;p= 0.014), serum leptin concentration (−2.54 vs 0.27ng/ml;p= 0.041) and an elevation in high-density lipoprotein cholesterol (2.19 vs −0.79 mg/dl;p= 0.038) in the melatonin group compared to the placebo.Research limitations/implicationsIf insulin concentration had been measured, it might have revealed better interpretation of melatonin effect on fasting blood glucose.Originality/valueThis study showed that melatonin as a nutritional supplement improved most metabolic syndrome components and concentration of leptin in the melatonin group compared to the placebo.
Fast-accurate 3D face model generation using a single video camera

In this paper, we present a new method to generate a 3D face model, based on both Data-Driven and Structure-from-Motion approach. Considering both 2D frontal face image constraint, 3D geometric constraint, and likelihood constraint, we are able to reconstruct subject's face model accurately, robustly, and automatically. Using our method, it is possible to create a 3D face model in 5.8 [sec] by only shaking own head freely in front of a single video camera.
Machine learning for query-document matching in search

In web search, relevance is one of the most important factors to meet users' satisfaction, and the success of a web search engine heavily depends on its performance on relevance. It has been observed that many hard cases in search relevance are due to term mismatch between query and documnt (e.g., query 'ny times' does not match well with document only containing 'new york times'), and thus it is not exaggerated to say that dealing with mismatch between query and document is one of the most critical research problems in web search. Recently researchers have spent significant effort to address the grand challenge. The major approach is to conduct more query and document understanding, and perform better matching between enriched query and document representations. With the availability of large amount of log data and advanced machine learning techniques, this becomes more feasible and significant progress has been made recently. In this tutorial, we will give a systematic and detailed presentation on newly developed machine learning technologies for query document matching in search. We will focus on the fundamental problems, as well as the novel solutions for query document matching at word form level, word sense level, topic level, and structure level. We will talk about novel technologies about query spelling error correction [3, 13], query rewriting [1, 4, 6, 7], query classification [2], topic modeling of documents [5, 9], query document matching [8, 10, 11, 12], and query document-title translation. The ideas and solutions introduced in this tutorial may motivate industrial practitioners to turn the research fruits into product reality. The summary of the state-of-the-art methods and the discussions on the technical issues in this tutorial may stimulate academic researchers to find new research directions and solutions. Matching between query and document is not limited to search, and similar problems can be observed at online advertisement, recommendation system, and other applications, as matching between objects from two spaces. The technologies we introduce can be generalized into more general machine learning techniques, which we call learning to match.
Geonectria, a new genus in the Bionectriaceae from France

Geonectria subalpina gen. and sp. nov. is described and illustrated based on three collections on soil from subalpine zone in the French Alps. The genus is placed in the Bionectriaceae based on morphological characteristics of the sexual morph and phylogenetic comparison of LSU sequences with species in 14 genera in the Bionectriaceae. Geonectria is primarily characterized by subglobose, nonstromatic, orange ascomata, becoming brownish orange, laterally collapsing or not collapsing when dry, roughened in upper half by superficial, scattered clusters of evanescent yellow hyphae, ellipsoidal to widely fusiform, 1-septate, finely longitudinally striate ascospores and habitat on soil in subalpine zone. It is recognized as a distinct genus by its peculiar ecology and its isolated phylogenetic position within the Bionectriaceae
Comparison of MAC Techniques for Energy Harvesting Wireless Sensor Networks

In this project we describe the state-of-the-art MAC protocols for Energy Harvesting Wireless Sensor Networks (EH-WSN). Differently from standard WSN, the goal is to efﬁciently take into account the possibility to recharge the built-in battery in order to improve the overall performance, rather than exploiting just the initial energy available. The protocols we present try to achieve the optimal trade-off between the potentially inﬁnite network lifetime and the uncertain energy availability. Finally, we provide a brief comparison among the solutions described.
Structural rearrangements and insertions of dispersed elements in pericentromeric alpha satellites occur preferably at kinkable DNA sites.

Centromeric region of human chromosome 21 comprises two long alphoid DNA arrays: the well homogenized and CENP-B box-rich alpha21-I and the alpha21-II, containing a set of less homogenized and CENP-B box-poor subfamilies located closer to the short arm of the chromosome. Continuous alphoid fragment of 100 monomers bordering the non-satellite sequences in human chromosome 21 was mapped to the pericentromeric short arm region by fluorescence in situ hybridization (alpha21-II locus). The alphoid sequence contained several rearrangements including five large deletions within monomers and insertions of three truncated L1 elements. No binding sites for centromeric protein CENP-B were found. We analyzed sequences with alphoid/non-alphoid junctions selectively screened from current databases and revealed various rearrangements disrupting the regular tandem alphoid structure, namely, deletions, duplications, inversions, expansions of short oligonucleotide motifs and insertions of different dispersed elements. The detailed analysis of more than 1100 alphoid monomers from junction regions showed that the vast majority of structural alterations and joinings with non-alphoid DNAs occur in alpha satellite families lacking CENP-B boxes. Most analyzed events were found in sequences located toward the edges of the centromeric alphoid arrays. Different dispersed elements were inserted into alphoid DNA at kinkable dinucleotides (TG, CA or TA) situated between pyrimidine/purine tracks. DNA rearrangements resulting from different processes such as recombination and replication occur at kinkable DNA sites alike insertions but irrespectively of the occurrence of pyrimidine/purine tracks. It seems that kinkable dinucleotides TG, CA and TA are part of recognition signals for many proteins involved in recombination, replication, and insertional events. Alphoid DNA is a good model for studying these processes.
3D depth camera based human posture detection and recognition Using PCNN circuits and learning-based hierarchical classifier

A new scheme for human posture recognition is proposed based on analysis of key body parts. Utilizing a time-of-flight depth camera, a pulse coupled neural network (PCNN) is employed to detect a moving human in cluttered background. In the posture recognition phase, a hierarchical decision tree is designed for classification of body parts so that the 3D coordinate of the key points of the detected human body can be determined. The features described in each individual layer of the tree can be chained as hierarchical searching indices for retrieval procedure to drastically improve the efficiency of template matching in contrast to conventional shape-context method. Experimental results show that the proposed scheme gives competitive performance as compared with the state-of-the-art counterparts.
Learning Links in MeSH Co-occurrence Network: Preliminary Results

Literature-based discovery (LBD) is focusing on automatically generating scientific hypotheses by uncovering hidden, previously unknown relations between existing knowledge. Co-occurrences between biomedical concepts can be represented by a network that consists of a set of nodes representing concepts and a set of edges representing their relationships. In this work we propose a method for link prediction of implicit connections between Medical Subject Headings (MeSH R ©) descriptors. Our approach is complementary to standard LBD. Link prediction was performed using Jaccard and Adamic-Adar similarity measures. Preliminary results showed high prediction performance with area under the ROC curve of 0.78 and 0.82 for Jaccard and Adamic-Adar coefficient, respectively.
Predictors of outcome after acute ischemic stroke *

The aim of this study was to determine which variables should be the predictors for clinical outcome at discharge and sixth month after acute ischemic stroke. Methods– Two hundred and sixty‐six consecutive patients, each with an acute ischemic cerebrovascular disease, were evaluated within 24 h of symptom onset. We divided our patients into two groups; 1 – Independent (Rankin scale RS ≤ 2) and, 2 – Dependent (RS>3) and death. Baseline characteristics, clinical variables, risk factors, infarct subtypes and radiologic parameters were analyzed. Results– Canadian Neurological Scale (CNS) on admission <6.5 [odds ratio (OR) 22] and posterior circulation infarction (OR 4.2) were associated with a poor outcome at discharge from hospital whereas only a CNS score <6.5 (OR 14) was associated with a poor outcome at 6 months. Conclusions– Severity of neurologic deficit is the most important indicator for clinical outcome in acute ischemic stroke both at short‐term and at sixth month, whereas posterior circulation infarction also predicts a poor outcome at discharge.
[Usage of Calendula officinalis in the prevention and treatment of radiodermatitis: a randomized double-blind controlled clinical trial].

OBJECTIVE To evaluate the efficacy of Calendula officinalis in relation to Essential Fatty Acids for the prevention and treatment of radiodermatitis. METHOD This is a randomized double-blind controlled clinical trial with 51 patients with head and neck cancer in radiotherapy treatment divided into two groups: control (27) and experimental (24). RESULTS There is statistically significant evidence (p-value = 0.0120) that the proportion of radiodermatitis grade 2 in Essential Fatty Acids group is higher than Calendula group. Through the Kaplan-Meier survival curve we observed that Essential Fatty Acids group has always remained below the Calendula group survival curve, due to the lower risk of developing radiodermatitis grade 1, which makes the usage of Calendula more effective, with statistical significance (p-value = 0.00402). CONCLUSION Calendula showed better therapeutic response than the Essential Fatty Acids in the prevention and treatment of radiodermatitis. Brazilian Registry of Clinical Trials: RBR-237v4b.
Ontobroker: The Very High Idea

Abstraet The World Wide Web (WWW) is currently one of the most important electronic information sources. However, its query interfaces and the provided reasoning services are rather limited. Ontobroker consists of a number of languages and tools that enhance query access and inference service of the WWW. The technique is based on the use of ontologies. Ontologies are applied to annotate web documents and to provide query access and inference service that deal with the semantics of the presented information. In consequence, intelligent brokering services for web documents can be achieved without requiring to change the semiformal nature of web documents.
Sensory Properties and Antioxidant Activities of the Spice from Coelocaryon oxycarpum Fruit

The fruit pulp of Coelocaryon oxycarpum ( Cox ) is consumed as spice in dried form by populations of North-Eastern part of Cote d’Ivoire. In this study, the sensory characteristics (color, aroma, taste and smell) as well as phenolic compounds and vitamin A contents of the spice were investigated. With regard to antioxidant activities, the extract of the spice powder was evaluated for scavenging ability on 1,1-diphenyl-2-picrylhydrazyl (DPPH), hydrogen peroxide radicals and reducing power by iron reduction technique method. The score for overall acceptability of the spice on a 9-point scale ranged from 6.22 ± 0.98 to 7.19 ± 0.93, corresponding to the pleasant level. Total phenolics (2287.42 ± 106.89 mg GAE /100g DW) were largely high. Tannins (314.95 ± 1.28 mg tannic acid / 100 g DW) were higher than flavonoids (211.57 ± 3.88 mg quercetin / 100 g DW). Individual phenolic compounds such as catechin (494.95 ± 8.03 μg/100 g DW), epicatechin (3.21 ± 0.94 µg/100g DW), and quercetin (6.22 ± 1.53 µg/100g DW) were detected. The spice extract showed trapping activity on DPPH (IC50: 13.64 μg / mL) which was approximately twice the value of Ascorbic acid used as reference (IC50: 6.94 μg / mL). The spice extract exhibited also antioxidant activities by peroxide radicals and iron reducing methods. Therefore, the spice of Cox fruit could be considered as an important source of natural antioxidants. It could be used as ingredient for manufacturing of foods products due to its pleasant flagrance. Keywords: Coelocaryon Oxycarpum . , sensory properties, antioxidant activity and polyphenols
Compressed sensing for clipping noise cancellation in DCO-OFDM systems based on observation interference mitigation

In this paper, we propose a modified clipping noise cancellation scheme using compressed sensing (CS) technique with observation interference mitigation for direct current biased optical (DCO) orthogonal frequency division multiplexing (OFDM) systems. The interference components in potential observations are theoretically analyzed and approximately estimated by exploiting the statistical model of the clipped DCO-OFDM signal. Then, the modified CS scheme eliminates the estimated interference from the potential observations, which can minimize the contamination influence of channel noise on CS recovery algorithm. In addition, a strategy jointly considering the compressed ratio and the decision noise is presented to generate the measurement matrix, which can sample the reliable data tones as final observations. With this scheme, the clipping noise in time domain can be effectively corrected and the bit error rate (BER) performance of the system is significantly improved. Simulation results demonstrate that the proposed scheme can perform well even under severe clipping conditions.