Miracle-dz/UniFAR-FTUs huggingface dataset:
Impedance optimization of wireless electromagnetic energy harvester for maximum output efficiency at μW input power

This work presents the optimization of radio frequency (RF) to direct current (DC) circuits using Schottky diodes for remote wireless energy harvesting applications. Since different applications require different wireless RF to DC circuits, RF harvesters are presented for different applications. Analytical parameters influencing the sensitivity and efficiency of the circuits are presented. Results showed in this report are analytical, simulated and measured. The presented circuits operate around the frequency 434 MHz. The result of an L-matched RF to DC circuit operates at a maximum efficiency of 27 % at -35 dBm input. The result of a voltage multiplier achieves an open circuit voltage of 6 V at 0 dBm input. The result of a broadband circuit with a frequency band of 300 MHz, achieves an average efficiency of 5 % at -30 dBm and open circuit voltage of 47 mV. A high quality factor (Q) circuit is also realized with a PI network matching for narrow band applications.
Three Models of Strategy1

Three models of strategy that are implicit in the literature are described—linear, adaptive, and interpretive. Their similarity to Boulding's (1956) hierarchical levels of system complexity is noted. The strategy construct is multifaceted, and it has evolved to a level of complexity almost matching that of organizations themselves.
Recruitment of Both the Mirror and the Mentalizing Networks When Observing Social Interactions Depicted by Point-Lights: A Neuroimaging Study

Background Understanding social interactions requires the ability to accurately interpret conspecifics' actions, sometimes only on the basis of subtle body language analysis. Here we address an important issue that has not yet received much attention in social neuroscience, that of an interaction between two agents. We attempted to isolate brain responses to two individuals interacting compared to two individuals acting independently. Methodology/Principal Findings We used minimalistic point-light displays to depict the characters, as they provide the most straightforward way to isolate mechanisms used to extract information from motion per se without any interference with other visual information. Functional magnetic resonance imaging (fMRI) method was used to determine which brain regions were recruited during the observation of two interacting agents, mimicking everyday social scenes. While the mirror and mentalizing networks are rarely concurrently active, we found that both of them might be needed to catch the social intentions carried by whole-body motion. Conclusions/Significance These findings shed light on how motor cognition contributes to social cognition when social information is embedded in whole-body motion only. Finally, the approach described here provides a valuable and original tool for investigating the brain networks responsible for social understanding, in particular in psychiatric disorders.
Crystal structures of virus-like photosystem I complexes from the mesophilic cyanobacterium Synechocystis PCC 6803

Oxygenic photosynthesis supports virtually all life forms on earth. Light energy is converted by two photosystems—photosystem I (PSI) and photosystem II (PSII). Globally, nearly 50% of photosynthesis takes place in the Ocean, where single cell cyanobacteria and algae reside together with their viruses. An operon encoding PSI was identified in cyanobacterial marine viruses. We generated a PSI that mimics the salient features of the viral complex, named PSIPsaJF. PSIPsaJF is promiscuous for its electron donors and can accept electrons from respiratory cytochromes. We solved the structure of PSIPsaJF and a monomeric PSI, with subunit composition similar to the viral PSI, providing for the first time a detailed description of the reaction center and antenna system from mesophilic cyanobacteria, including red chlorophylls and cofactors of the electron transport chain. Our finding extends the understanding of PSI structure, function and evolution and suggests a unique function for the viral PSI. DOI: http://dx.doi. org/10.7554/eLife.01496. 001
Dark matter halo concentrations in the Wilkinson Microwave Anisotropy Probe year 5 cosmology

We use a combination of three large N-body simulations to investigate the dependence of dark matter halo concentrations on halo mass and redshift in the Wilkinson Microwave Anisotropy Probe year 5 (WMAP5) cosmology. The median relation between concentration and mass is adequately described by a power law for halo masses in the range 1011–1015 h−1 M⊙ and redshifts z < 2, regardless of whether the halo density profiles are fitted using Navarro, Frenk & White or Einasto profiles. Compared with recent analyses of the Millennium Simulation, which uses a value of σ8 that is higher than allowed by WMAP5, z= 0 halo concentrations are reduced by factors ranging from 23 per cent at 1011 h−1 M⊙ to 16 per cent at 1014 h−1 M⊙. The predicted concentrations are much lower than inferred from X-ray observations of groups and clusters.
Access to Psychotherapy in the Era of Web 2.0 – New Media, Old Inequalities? / Zugang zur Psychotherapie in der Ära des Web 2.0 – Neue Medien, Alte Ungleichheiten?

Abstract Background: Currently, the debate on regional and socio-structurally related treatment gaps in psychotherapeutic care increases the interest in e-mental health interventions such as the Internet-based psychotherapy, online self-help and new approaches for self-empowerment. Thus, health professionals could support informed decision-making by knowing the latest developments. However, if the ‘digital revolution’ fails to reach patients not familiar with Web 2.0, access to psychotherapies is unlikely to improve. Therefore, the objective of this review is to clarify whether online therapies should be recommended as an effective alternative to conventional psychotherapy in primary care. Methods: To investigate the research evidence of online therapies in adults within the last decade (2004-2014), a rapid review of literature was conducted by using electronic databases (i.e. Medline/PubMed, PubMed Central, Cochrane Library) to find systematic reviews, meta-analysis and clinical trials. Furthermore, a hand search in journals and grey literature was undertaken. Results: A search in PubMed for clinical trials on ‘online psychotherapy’ resulted in a total number of 245 publications. So, eight reviews and several clinical trials were chosen. Overall, mostly positive findings on the effectiveness and acceptance of online psychotherapy, primarily in the treatment of depression and anxiety disorders, were identified. Discussion: In sum, Internet-based psychotherapies have been effective in reducing symptoms of mood and anxiety disorders in clinical trials. However, due to the limited range of treatable disorders and non-representative samples (young female college graduates), external validity remains insufficient. Thus, further research is needed to determine if online therapies will be capable of improving access to psychotherapy.
Quantum Inspired Training for Boltzmann Machines

We present an efficient classical algorithm for training deep Boltzmann machines (DBMs) that uses rejection sampling in concert with variational approximations to estimate the gradients of the training objective function. Our algorithm is inspired by a recent quantum algorithm for training DBMs. We obtain rigorous bounds on the errors in the approximate gradients; in turn, we find that choosing the instrumental distribution to minimize the alpha=2 divergence with the Gibbs state minimizes the asymptotic algorithmic complexity. Our rejection sampling approach can yield more accurate gradients than low-order contrastive divergence training and the costs incurred in finding increasingly accurate gradients can be easily parallelized. Finally our algorithm can train full Boltzmann machines and scales more favorably with the number of layers in a DBM than greedy contrastive divergence training.
Interaction between coefficient conditions and solution conditions of differential equations in the unit disk

The influence of the normality of the coefficient A ( z ) of the differential equation f ( k ) + A ( z ) f = 0 on a solution f and also the influence of the normality of a solution f on A ( z ) are investigated in the unit disk. In particular, an estimate of P. Lappan is used to determine restrictions on the growth of a meromorphic function A ( z ) when a solution f is α -normal.
An aggressive form of non-Hodgkin's lymphoma with pleural and abdominal chylous effusions: A case report and review of the literature

Serous effusions, including pleural, abdominal and pericardial effusions, are complications of lymphoma. Among these types, pleural effusions are the most common to be observed. However, the involvement of the abdominal or pericardial cavity is rare. An impairment of the lymphatic drainage and direct infiltration have been identified to play significant roles in effusion formation. Multiple techniques, including cytological exams, immunochemistry and cytogenetics, have been applied in the clinic to access the qualities of the effusions and to attain a fast and precise diagnosis. Serous effusions are associated with a poor outcome for patients with lymphoma. The present study describes the case of a 28-year-old male patient with aggressive non-Hodgkin's lymphoma (NHL) involving pleural and abdominal chylous effusions.
Manipulation-Resistant Reputations Using Hitting Time

Popular reputation systems for linked networks can be manipulated by spammers who strategically place links. In PageRank [Brin and Page 98], pages endorse others by placing links, and the global link structure is analyzed to determine the reputation of each page. Though this is meant to be a global measure, page υ can boost its own PageRank considerably using a simple self-endorsement strategy: placing outlinks to form short directed cycles. In contrast, we show that expected hitting time—the time to reach υ in a random walk—measures essentially the same quantity as PageRank, but does not depend on υ's outlinks. We develop a reputation system based on hitting time and show that it resists tampering by individuals or groups who strategically place outlinks. We also present an algorithm to efficiently compute hitting time for all nodes in a massive graph; conventional algorithms do not scale adequately.
Antimicrobial, Antiplasmid and Cytotoxicity Potentials of Marine Algae Halimeda opuntia and Sarconema filiforme Collected from Red Sea Coast

The antimicrobial, antiplasmid and cytotoxic activities of marine algae Halimeda opuntia and Sarconema filiforme were investigated. Antimicrobial bioassay against s ome human pathogenic bacteria and yeast were conducted using disc diffusion method. Halimeda extract exhibited antibacterial activity against s ix species of microrganisms, with significant inhibiti on against Staphylococcus aureus. While Sarconema extract was better potent as antifungal against Candida albicans. Comparative antibacterial studies showed that Halimeda extract showed equivalent or better activity as compared with commercial antibiotic when tested against Staphylococcus aureus. Further tests conducted using dilution method showed both extracts as having bacteriostati c mode of action against the tested microorganisms. Methanol extract of two species showed significant cytotoxicity (LC 50 <500µg) on brine shrimp. Halimeda opuntia showed highest cytotoxic activity (LC 50 =192.3µg). Also, the present investigation was undertaken to investigate the ability of methanolic extract of th e algal extracts to cure R-plasmids from certain clinical E. coli isolates. The active fraction of Halimeda and Sarconema could cure plasmids from E. coli at curing efficiencies of approximately 78%. The a ctive fraction mediated plasmid curing resulted in the subsequent loss of antibiotic resistance encoded in the plasmids as revealed by a ntibiotic resistance profile of cured strains. The screening results con firm the possible use of marine algae Halimeda opuntia and Sarconema filiforme as a source of pharmacological benefits. Keywords—Antimicrobial, antiplasmid Cytotoxicity, Marine Algae
Incremental page rank computation on evolving graphs

Link Analysis has been a popular and widely used Web mining technique, especially in the area of Web search. Various ranking schemes based on link analysis have been proposed, of which the PageRank metric has gained the most popularity with the success of Google. Over the last few years, there has been significant work in improving the relevance model of PageRank to address issues such as personalization and topic relevance. In addition, a variety of ideas have been proposed to address the computational aspects of PageRank, both in terms of efficient I/O computations and matrix computations involved in computing the PageRank score. The key challenge has been to perform computation on very large Web graphs. In this paper, we propose a method to incrementally compute PageRank for a large graph that is evolving. We note that although the Web graph evolves over time, its rate of change is rather slow. When compared to its size. We exploit the underlying principle of first order markov model on which PageRank is based, to incrementally compute PageRank for the evolving Web graph. Our experimental results show significant speed up in computational cost, the computation involves only the (small) portion of Web graph that has undergone change. Our approach is quite general, and can be used to incrementally compute (on evolving graphs) any metric that satisfies the first order Markov property.
A practical simulation approach for an effective truck dispatching system of open pit mines using VBA

Material handling is one of the most important operations carried out in open pit mines. According to previous studies, it accounts for approximately 50% of total operating costs. As a means of reducing the operating cost, it is important to allocate and dispatch the trucks efficiently. Although optimizing the necessary number of trucks assigned to transportation and hauling is an important issue in the operation of open pit mines, in practice, creating a reasonable truck dispatching control table is more beneficial. In this paper, we propose a practical simulation modeling approach enhanced by VBA programing to achieve an effective truck dispatching system in an open pit mine. We present a case study in an open pit mine, where we implement an algorithm with VBA to determine the best allocation of trucks to meet a particular grade and achieve stable production.
A single-cell analysis of early retinal ganglion cell differentiation in Xenopus: from soma to axon tip

Intracellular injections of Lucifer yellow (LY) were made into the cell bodies of Xenopus retinal ganglion cells from the earliest stages of axonogenesis to the beginning of target innervation. Embryos were intact during the injection so that the entire cell (cell body, dendrites, axon, and growth cone) could be visualized. The purpose of the study was 3-fold: (1) to characterize the early steps in retinal ganglion cell differentiation before the axon reaches its target; (2) to determine whether guidepost cells exist as possible navigation cues in the vertebrate optic pathway; and (3) to investigate whether the morphology of early retinal ganglion cell growth cones varies in a position-dependent manner along the primordial optic pathway. Axons were generally initiated before dendrites and followed a well-defined course along the primordial optic pathway without branching. Surprisingly, at least 5% of the retinal ganglion cells sent more than one axon into the optic pathway. Sister axons from the same parent cell traveled separately in the pathway, indicating that their growth cones navigated independently. Examination of dendrite genesis showed that dendrites usually begin to emerge from the cell body well before the axon tip reaches the target. This observation argues against the possibility that target contact influences dendrite initiation. Nascent dendrites were commonly tipped with pronounced varicosities that did not resemble axon growth cones. Their number and branching correlated well with axon length, indicating that the age of the retinal ganglion cell itself, rather than the age of its presynaptic cells or local environment, is the strongest influence on dendrite genesis. Examination of LY-filled growth cones at varying points in the pathway showed no evidence of dye transfer to adjacent cells. This indicates that gap junctional contacts probably do not form during axonal pathfinding and suggests that direct intercellular communication between growing axons and other cells in the pathway does not play a major role in axon guidance. Growth cone morphology was analyzed quantitatively and found to vary at different positions along the pathway. Growth cones entering the optic nerve head were the largest and most complex; those on the retinal surface were the smallest and showed a simple morphology. Growth cones in the chiasm and optic tract showed a degree of complexity similar to those in the optic nerve head but were smaller. (ABSTRACT TRUNCATED AT 400 WORDS)
Use of Atorvastatin in Lipid Disorders and Cardiovascular Disease in Chinese Patients

Objective: Statins are still underused for the prevention of cardiovascular disease (CVD) in China. Hence, we conducted a systemic review on the pharmacology, clinical efficacy, and adverse events of atorvastatin, as well as on patient adherence. Data Sources: We conducted a systemic search in PubMed with the following keywords: “atorvastatin” (Supplementary concept) or “atorvastatin” (All field) and (“China” [AD] or “China” [all field] or “Chinese” [All field]). Study Selection: Clinical or basic research articles on atorvastatin were included. Results: Atorvastatin is a reversible and competitive inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A reductase, decreasing the de novo cholesterol synthesis. The pharmacokinetics of atorvastatin among Chinese is similar to those in Caucasians, and several gene polymorphisms have proved to be associated with the metabolism of atorvastatin in the Chinese population. Several international multiple-center randomized control trials have demonstrated the benefit of atorvastatin for primary and secondary prevention of CVD. None of them, however, included the Chinese, and current evidence in the population is still inadequate, due to the small sample size, low study quality, short study duration, and the use of surrogate endpoints instead of clinical endpoints. The overall incidence of adverse events observed with atorvastatin did not increase in the 10–80 mg dose range, and was similar to that observed with placebo and in patients treated with other statins, which makes atorvastatin well-tolerated in the Chinese population. Moreover, high patient adherence was observed in clinical studies. Conclusions: Based on the current available evidence, there is no significant difference between Chinese and non-Chinese population in term of pharmacology and clinical efficacy/safety. High-quality evidence is still needed to support the use of atorvastatin in high-risk Chinese population.
Ca 2 1-activated Cl 2 current in sheep lymphatic smooth muscle

Toland, H. M. , K. D. McCloskey, K. D. Thornbury, N. G. McHale, and M. A. Hollywood. Ca-activated Cl current in sheep lymphatic smooth muscle. Am J Physiol Cell Physiol 279: C1327–C1335, 2000. —Freshly dispersed sheep mesenteric lymphatic smooth muscle cells were studied at 37°C using the perforated patch-clamp technique with Csand K-filled pipettes. Depolarizing steps evoked currents that consisted of L-type Ca [ICa(L)] current and a slowly developing current. The slow current reversed at 1 6 1.5 mV with symmetrical Cl concentrations compared with 23.2 6 1.2 mV (n 5 5) and 234.3 6 3.5 mV (n 5 4) when external Cl was substituted with either glutamate (86 mM) or I (125 mM). Nifedipine (1 mM) blocked and BAY K 8644 enhanced ICa(L), the slow-developing sustained current, and the tail current. The Cl channel blocker anthracene-9-carboxylic acid (9-AC) reduced only the slowly developing inward and tail currents. Application of caffeine (10 mM) to voltageclamped cells evoked currents that reversed close to the Cl equilibrium potential and were sensitive to 9-AC. Small spontaneous transient depolarizations and larger action potentials were observed in current clamp, and these were blocked by 9-AC. Evoked action potentials were triphasic and had a prominent plateau phase that was selectively blocked by 9-AC. Similarly, fluid output was reduced by 9-AC in doubly cannulated segments of spontaneously pumping sheep lymphatics, suggesting that the Ca-activated Cl current plays an important role in the electrical activity underlying spontaneous activity in this tissue.
Esaim: Control, Optimisation and Calculus of Variations Spatially-distributed Coverage Optimization and Control with Limited-range Interactions

This paper presents coordination algorithms for groups of mobile agents performing deployment and coverage tasks. As an important modeling constraint, we assume that each mobile agent has a limited sensing or communication radius. Based on the geometry of Voronoi partitions and proximity graphs, we analyze a class of aggregate objective functions and propose coverage algorithms in continuous and discrete time. These algorithms have convergence guarantees and are spatially distributed with respect to appropriate proximity graphs. Numerical simulations illustrate the results.