Miracle-dz/UniFAR-FTUs huggingface dataset:
Underwater Acoustic Communication in a Highly Refractive Environment Using SC–FDE

Single-carrier frequency-domain equalization (SC-FDE) is a promising technique for coherent underwater acoustic communications. The method has a lower peak-to-average power ratio than orthogonal frequency-division multiplexing (OFDM) and is more resistant to frequency offset. In this work, SC-FDE performance is evaluated using data collected during the 2009 Cooperative Array Performance Experiment (CAPEx09) that took place near Seattle, WA, USA. CAPEx09 had two densely populated vertical receiving arrays and a highly refractive environment, features that make it suitable for examining issues related to sensor positioning in range and depth. Two-channel equalization results show only a weak dependence on the spacing between the two sensors. Communications performance is interpreted in terms of relevant propagation physics, including acoustic ducting and rough surface scattering. The implications for undersea acoustic networks are discussed.
Requests from Companies and Requirements for Design Education in Brazil: where do they meet?

In this paper, we study what companies request from applicants for graphic design positions in Brazil. Based on a document analysis of 371 job advertisements, we uncover 35 different types of requests which we structure in terms of (1) Design deliverables, (2) Knowledge and skills and (3) Personal traits. In addition, we explore how the content of job advertisements potentially can inform educational developments by reporting on a group interview with design educators. In the interview we explore the degree to which different requests in the advertisements are covered in a regulatory educational design policy document for higher education in Brazil. Our results show that requests for skills in 2D software, an ability to deliver print and digital design outcomes and knowledge of layout and photography are frequently occurring in the studied advertisements. We also describe how the educators could locate the majority of the requests in reviewing the educational policy document. We end the paper by discussing how job advertisements could be further studied and used by design educators and practitioners. design positions. In replicating and extending our previous study from the United Kingdom (Dziobczenski & Person, 2017), we report on a document analysis of 371 job advertisements in terms of what employers articulate as requirements for applying to graphic design positions in Brazil. We classify the requests in the advertisements in terms of (1) design deliverables, (2) knowledge and skills and (3) personal traits. We also explore the possibilities of using the content found in advertisements for educational developments by having design educators compare our resulting classification with guidelines for graphic design education as outlined in an educational policy document from the Brazilian Ministry of Education. The document of study regulates and defines the requirements for institutions providing design education in Brazil.
Fourier-Mukai partners of K3 surfaces in positive characteristic

We study Fourier-Mukai equivalence of K3 surfaces in positive characteristic and show that the classical results over the complex numbers all generalize. The key result is a positive-characteristic version of the Torelli theorem that uses the derived category in place of the Hodge structure on singular cohomology; this is proven by algebraizing formal lifts of Fourier-Mukai kernels to characteristic zero. As a consequence, any Shioda-supersingular K3 surface is uniquely determined up to isomorphism by its derived category of coherent sheaves. We also study different realizations of Mukai's Hodge structure in algebraic cohomology theories (etale, crystalline, de Rham) and use these to prove: 1) the zeta function of a K3 surface is a derived invariant (discovered independently by Huybrechts); 2) the variational crystalline Hodge conjecture holds for correspondences arising from Fourier-Mukai kernels on products of two K3 surfaces.
Low extracellular Ca2+: a mediator of endothelial inflammation.

BACKGROUND Recent studies have suggested that vitamin D and an imbalance in calcium homeostasis may have an impact on the cardiovascular system. The aim of this study was to assess the impact of different concentrations of extracellular Ca(2+) on human umbilical vein cord endothelial cells (HUVEC) by measuring its effect on parameters involved in the pathogenesis of vascular inflammatory responses. METHODS HUVEC were grown in the 3.5, 4.5 or 5.8 mg/dL concentration of extracellular Ca(2+) for 2-3 weeks. Expression of adhesion molecules was analysed by flow cytometry. Endothelial nitric oxide synthase (eNOS), receptor of advanced glycation end-product (RAGE) and interleukin-6 (IL-6) mRNA expressions were determined by real-time PCR. eNOS, inhibitor kappa Balpha (IkappaBalpha) and phosphorylated IkappaBalpha protein levels by Western blot, eNOS activity by conversion of [(14)C]-arginine to [(14)C]-citrulline, IL-6 and osteoprotegerin (OPG) secretion by ELISA and DNA-binding activity of nuclear factor kappa B (NFkappaB)-p65 were assayed colorimetrically in nuclear extracts. RESULTS In the presence of low Ca(2+) (3.5 mg/dL), protein expressions and activity of eNOS were diminished, while the protein expressions of intercellular adhesion molecule-1 (ICAM-1), as well as the mRNA expressions of RAGE and IL-6, were elevated. The protein secretions of IL-6 and OPG were also stimulated in low Ca(2+) concentration. At this concentration, the DNA-binding activity of NFkappaB was enhanced, probably due to the decreased level of IkappaBalpha. CONCLUSIONS These results suggest that lower extracellular ionized Ca(2+) may play a relevant role in modifying endothelial cells functions.
Integrating Health and Community Development for Health Equity: Philanthropic Investments in Baltimore City, 2010–2017

Abstract Purpose: Achieving health equity requires addressing the social determinants of health, which philanthropy has supported through community development grants. This study analyzes health topics that have been integrated into community development grants. Methods: Community development grants from 2010 to 2017 were analyzed for health topics in Baltimore, MD. Results: Food and nutrition, chronic disease, reproductive health, adolescent health, violence prevention, health care access, and infectious disease were the least common health topics in community development grants. Conclusion: To support health equity efforts, funders should consider a broader range of health issues to integrate into community development investments.
Managing the Process of Stakeholders Involvement in Junior High-School in Arab Sector in Israel and Its Effect on Pupils, Teachers and Parents

This study examined the impact of the stakeholder management model on a variety of variables related to stakeholder satisfaction, the organizational culture of three schools, one in which the stakeholder management model was assimilated, a school that experimented with the model for three years, In order to examine the impact of the stakeholder management model on the school, we distributed a questionnaire that examined several variables for teachers, students. The leading premise for this study was that schools today operates in complex and competitive reality; so, in order to not just to survive, but to flourish excel and be competitive in its field, it must constantly improve the educational process and the services it provides. In my opinion, beside the school’s obligation to advance the individual pupil, which is the product of the educational system, one of the most promising avenue to insure the improvement of the school’s efficiency as an educational organization is to make it a learning organization, with built-in formal order and learning mechanisms that will enable its members to create new knowledge and assimilate it in the daily routine of the educational deed.
Beeswax: a platform for private web apps

Abstract Even if a web-based messaging service offered confidential channels, how would users know whether their keys, or indeed even their plaintext, was not being exfiltrated? What if a variety of applications offered confidentiality? How would a user gain trust in all of them? In this paper we argue that a platform for private web applications is the only practical way for users to gain assurance about the confidentiality claims of a large number of full-featured web-services.We introduce Beeswax, a client-side platform that allows confidential data to be exchanged between users at the behest of an application, through a narrow set of APIs. Beeswax installs in a modern browser to deliver a complete practical solution, from key distribution to isolation of private data from the applications, thereby making an analysis of application code unnecessary. This focuses scrutiny and trust on the platform itself, rather than on all the applications using it.
Treatment variables affecting facial growth in complete unilateral cleft lip and palate.

Facial growth in a sample of 439 males with unilateral complete cleft lip and palate was evaluated. There were 213 subjects with some form of alveolus repair and 226 subjects with no alveolus repair. The results indicated that surgical repair of the alveolus in unilateral cleft lip and palate resulted in a deficiency in the vertical growth of the anterior max-illa. If, in addition, a bone graft or periosteoplasty was used, the vertical growth deficiency was slightly worse and lower face height was greater, so that facial vertical proportions were poor. There was also a slight anteroposterior maxillary deficiency following bone grafting. Late bone grafts in the mixed dentition have the same vertical effect as the. infant bone grafts. These findings should be applied to individuals at risk for poor facial growth.
Defining the Pathologic Diagnosis of Metaplasia, Atrophy, Dysplasia, and Gastric Adenocarcinoma

Abstract Epidemiologic and pathologic studies have confirmed that the development of gastric cancer spans over several decades starting with Helicobacter pylori chronic active gastritis followed, over time and only in a subset of patients, with the development of intestinal metaplasia and atrophy, dysplasia, and finally gastric adenocarcinoma. It has also been established that the pathogenesis of gastric cancer is a multifactorial process in which both environmental and host‐related factors play significant role. Improvement in upper endoscopic techniques make possible the detection of not only early gastric cancers but also the mucosal alterations that predate malignant degeneration. A better understanding of the gastric carcinogenic sequence will allow us to better identify the patients at risk and to implement preventive strategies. We review the histopathologic steps that predate the development of gastric cancer and evaluate the risks of transformation that they confer.
The role of CD30 in atopic disease

The functional role of CD30 has been a matter of debate during the last decade. This molecule has a very distinct expression on lymphoid cells, a fact which indicates a specific immunologic function. The findings that CD30 knockout mice have enlarged thymuses and that CD30 transgenic mice exhibit enhanced killing of thymocytes suggest a role for CD30 in the negative selection in the thymus. However, the function of CD30 in mature T cells is still unknown. CD30 has been associated with T helper (Th) 2 cells and with human disorders dominated by a Th2 type of immune response. This review summarizes the findings on CD30 in atopic disorders, with the focus on atopic dermatitis (AD). The CD30 (Ki-1) surface antigen was originally identified on the tumor cells of Hodgkin’s disease, i.e., Hodgkin and Reed-Sternberg cells (1). The monoclonal antibody (mAb) which was produced reacted selectively not only with the Hodgkin and Reed-Sternberg cells, but also with a small but distinct population of cells in lymph nodes and tonsils, as well as scattered CD30 cells in the bone marrow (1). Further screening for CD30 expression identified CD30/Ki-1 positive non-Hodgkin’s lymphoma, and anaplastic large-cell lymphomas (2). It was also found that CD30 is activation dependent, since it is virtually absent on normal resting peripheral blood mononuclear cells (PBMC), but can be induced by mitogen activation, or by infection by viruses such as Epstein-Barr virus (EBV) or human T-cell leukemia viruses (HTLV I and II) (2). Subsequently, it was demonstrated that CD30 is expressed by a subset of CD45RO (memory) T cells (3). The CD30 molecule is a type I transmembrane protein of 120 kDa with a 90-kDa nonglycosylated precursor (4) (Table 1, Fig. 1). CD30 was cloned in 1992 and determined to be a member of the tumor necrosis factor receptor (TNF) superfamily (5). It is characterized by six cysteine-rich motifs in the extracellular domain, showing significant homology to the other TNFR family members. In the intracellular parts, however, no homology was found (5) (Fig. 1).
Resolving complex fibre configurations using two-tensor random-walk stochastic algorithms

Fibre tractography using diffusion tensor imaging allows the study of anatomical connectivity of the brain, and is an important diagnostic tool for a range of neurological diseases. Deterministic tractography algorithms assume that the fibre direction coincides with the principal eigenvector of a diffusion tensor. This is, however, not the case for regions with crossing fibres. In addition noise introduces uncertainty and makes the computation of fibre directions difficult. Stochastic tractography algorithms have been developed to overcome the uncertainties of deterministic algorithms. However, generally, both parametric and non-parametric stochastic algorithms require longer computational time and large amounts of memory. Multi-tensor fibre tracking methods can alleviate the problems when crossing fibres are encountered. In this study simple and computationally efficient random-walk algorithms are described for estimating anatomical connectivity in white matter. These algorithms are then applied to a two-tensor model to compute the probabilities of connections between regions with complex fibre configurations. We analyze the random-walk models quantitatively using simulated data and estimate the optimal parameter values of the models. The performance of the tracking algorithms is verified using a physical phantom and an in vivo dataset with a wide variety of seed points. The results confirm the effectiveness of the proposed approach, which gives comparable results to other stochastic methods. Our approach is however significantly faster and requires less memory. The results of two-tensor random-walk algorithms demonstrate that our algorithms can accurately identify fibre bundles in complex fibre regions.
Health‐Related quality of life in patients with advanced Parkinson's disease treated with deep brain stimulation of the subthalamic nuclei

Parkinson's disease (PD) is a progressive neurodegenerative disorder for which there is as yet no cure. It affects many aspects of patients' lives, only some of which can be monitored by available clinical rating scales. In the past decade, there has been a new emphasis on the use of health‐related quality of life (HRQOL) measures to describe patient response to treatment. We describe patient‐reported HRQOL in subjects who underwent bilateral deep brain stimulation (DBS) of the subthalamic nuclei (STN) for the treatment of PD, compared with a similar group of subjects who did not receive surgical treatment. A consecutive series of patients (n = 11) with advanced idiopathic PD were treated with DBS of the STN. This surgically treated group was compared prospectively with a similar group of patients (n =13) awaiting surgery. Self‐reported HRQOL, measured by the Parkinson's Disease Questionnaire (PDQ‐39) was evaluated at three time periods T0, T3, and T6. The surgery group was evaluated according to the Unified Parkinson's Disease Rating Sale (UPDRS) before (T0), 3 (T3), and 6 months (T6) after surgery. HRQOL, UPDRS part II and III, duration of off periods, and dyskinesias improved significantly from T0 to T3 and from T0 to T6 for the surgery group but not for the nonsurgery group. Ten of the 11 patients treated with DBS of the STN reported a lower summary score (indicating better HRQOL) 6 months after surgery. The results of this prospective controlled study suggest that patients with advanced idiopathic PD treated with DBS of the STN obtain significant improvements in patient reported HRQOL and in clinical outcomes 3 and 6 months after surgery. © 2002 Movement Disorder Society
Les coréférences à l’oral : une expérience d’apprentissage automatique sur le corpus ANCOR [Coreferences in oral French: a machine learning experiment using the ANCOR corpus]

RESUME. Cet article presente CROC (Coreference Resolution for Oral Corpus), le premier systeme de resolution des coreferences en francais reposant sur des techniques d’apprentissage automatique. Une des specificites du systeme reside dans son apprentissage sur des donnees exclusivement orales, a savoir ANCOR (anaphore et coreference dans les corpus oraux), le premier corpus de francais oral transcrit annote en relations anaphoriques. En l’etat actuel, le systeme CROC necessite un reperage prealable des mentions. Nous detaillons les choix des traits – issus du corpus ou calcules – utilises par l’apprentissage, et nous presentons un ensemble d’experimentations avec ces traits. Les scores obtenus sont tres proches de ceux de l’etat de l’art des systemes concus pour l’ecrit. Nous concluons alors en donnant des perspectives sur la realisation d’un systeme end-to-end valable a la fois pour l’oral transcrit et l’ecrit.
Hormonal control of the gonadal regression and recovery observed in short days in male and female doves.

Sexually mature ring doves (Streptopelia risoria) maintained from hatch on a photoperiod of 14 h light : 10 h darkness (14L : 10D) and kept in isolation were transferred to 8L : 16D. This treatment resulted in a partial regression of the ovaries and testes and a fall in the concentration of plasma LH but not of plasma FSH. After 2--3 months exposure to 8L : 16D, the gonads regrew to their original size: this regrowth was accompanied by a parallel increase in the concentration of plasma LH. The responsiveness of the pituitary gland to LH releasing hormone in both sexes after 5 weeks of exposure to 8L : 16D (when the gonads were partially regressed) was similar to the response observed after 15 weeks exposure to this lighting schedule (when the gonads had regrown). It was concluded that the spontaneous recovery of gonadal size in ring doves exposed to 8L : 16D is controlled by the hypothalamus and does not involve changes in the functional capacity of the pituitary gland or of the gonads.
Harmonic stability assessment for multi-paralleled, grid-connected inverters

This paper investigates the dynamic interactions of current controllers for multi-paralleled, grid-connected inverters. The consequent harmonics instability phenomena, which features with oscillations above the fundamental frequency, are evaluated by the impedance-based stability criterion. The frequency range of effective impedance-based stability analysis is first identified. The effect of each inverter on the system harmonic instability is then identified by case studies on different groups of inverters. Lastly, the PSCAD/EMTDC simulations on a system with five passively-damped, LCL-filtered inverters are performed to verify theoretical analysis. It shows that the impedance-based stability analysis results agree with the time-domain simulations provided that the frequency of concerns are around the half of the Nyquist sampling frequency.
Evidence of B-cell dysregulation in severe CNS inflammation after alemtuzumab therapy

Cases of severely exacerbated CNS inflammation have been described in patients with MS under treatment with alemtuzumab, a pan-lymphocyte–depleting anti-CD52 monoclonal antibody.1,2 On the basis of the peripheral lymphocyte subset network (higher B-cell and suppressed T-cell counts)2 and marked clinical improvement following plasmapheresis and rituximab treatment (anti-CD20 antibody),1 a B-cell–driven intrathecal autoimmune reaction was hypothesized.
Small Wideband Monopole Antenna With a Distributed Inductive Strip for LTE/GSM/UMTS

We present a small, planar, and dual-wideband antenna for handheld devices, which consists of a driven spiral monopole and a distributed inductive strip designed. A dual-wideband characteristic is realized by using a coupling feed, a distributed inductor, and a folded strip, which excite multiple resonant modes to achieve wide impedance matching. The antenna size is reduced by spiraling of the monopole and meandering and folding of the distributed inductive strip, which occupies 20 ×15 mm2. The measured antenna gains and efficiencies are over 0.75 to 1.80 dBi and 60 to 82%, respectively. Radiation patterns are approximately omnidirectional in the x-y (H) planes for all bands: the LTE800, GSM850/900, GSM1800/1900, UMTS, and LTE2300/2500 bands.
Preventing Cuff Rupture During Tracheostomy

Objective: The objective of our study is to describe the technique of distal endotracheal tube (ETT) positioning for avoiding cuff rupture and validate the technique in a virtual tracheostomy model. Methods: A prospective nonrandomized case series of 129 patients who had undergone tracheostomy using the senior author’s technique were evaluated. Primary outcome was ETT cuff rupture. One hundred normal patient computed tomography (CT) scans were used to generate a virtual tracheostomy model, and the probability of cuff rupture, among other values, was obtained. Results: One hundred twenty-three of 129 patients underwent tracheostomy without cuff rupture when the distal tip of the ETT was placed just proximal to the carina. After analysis of 100 3-dimensional CT scans, the average distance from the tracheotomy to the superior aspect of the cuff was 54.6 mm in men and 39.87 mm in women when a 6.5-size ETT was used, and 44.8 mm in men and 30.07 mm in women when a 7.5-size ETT was used. Virtual tracheotomy between the second and third tracheal rings resulted in no probability of inadvertent ETT cuff rupture. Conclusion: Distal ETT positioning during tracheostomy should be considered for avoiding inadvertent ETT cuff rupture.
Patterns of current comorbidity in young help-seekers: implications for service planning and delivery.

OBJECTIVE To identify the pattern of current comorbidity in young help-seekers referred to a specialist mental health service. METHOD One hundred and forty-nine participants were assessed for current psychiatric diagnoses following their referral to ORYGEN Youth Health. RESULTS Seventy-eight per cent of the sample rated for at least one diagnosis with almost half the sample presenting with two or more disorders. Next to comorbid depression and anxiety, comorbidity between substance use disorders and mood and anxiety disorders was the most prominent pattern of comorbidity in the sample. CONCLUSIONS The present findings suggest that integration between mental health and substance abuse services is well overdue and must be addressed at policy, service system and clinical levels.
Temporal Pattern of Communication: Messaging Within a Mobile Social Networking App

With the emergence of mobile Internet and social media, human relationship has evolved into a new form due to the much broader reach and more efficient communications enabled by information technology. This paper examines the communication pattern and impact on social group in the context of a Chinese popular mobile social media app. It analyzes a dataset that comprised of the information about sending and receiving messages by 10,000 users over one month period. It found a strong temporal pattern of a significant difference between Monday and other days: the least frequent usages on Monday among the week. The average number of friends a user has messaging contacts with is about 2, far less than the number of friends a user has in total, which can reflect the attributes of users maintaining their social network and friendship.