gebhart/patrepeval huggingface dataset:
Lyapunov Function-Based Stabilizing Control Scheme for Wireless Power Transfer Systems with LCC Compensation Network (2021)

A stabilizing control scheme based on a Lyapunov function is proposed for wireless power transfer (or WPT) systems. A state-space model of the WPT system is developed and the Lyapunov function is formulated based on an energy equation of the system involving state variables. The internal resistance of a battery varies during charge and discharge. Therefore, if a WPT system is used to charge a battery, its output load will vary. Furthermore, the coupling coefficient between the transmitter (primary) and receiver (secondary) coils decreases when they are misaligned. Comparative case studies are conducted to verify the efficacy of the proposed controller in maintaining stability of the WPT system under load variation and acute misalignment of transmitter and receiver coils.
[Physical performance and thermoregulatory study of subjects with sickle cell trait during a sub-maximal exercise]. (2005)

The sickle cell trait is a genetic abnormality of red blood cells. It is due to the mutation of a parental gene, which rest Its to the substitution of glutamic acid by valin on beta globin chain of haemoglobin. The possibility for sickle cell trait carriers (SCT) to present any disturbance during predominantly anaerobic and aerobic exercises is unclear. Ten (10) subjects with sickle cell trait and 10 subjects control were studied during exercise test on cycloergometer. They were all students of the National Institute of Popular Education and Sport of Dakar. The mean of environmental temperature was 26 degrees C and humidity was 60 to 80%. After haematological analysis, a submaximal muscular exercise for one hour with 75% of maximal heart rate was done. We have determined heart rate, blood pressure, rectal and skin temperature during exercise. Haematological parameters shown any significant difference between the two groups. No significant difference was found in cardiocirculatory variables during maximal exercise in cycloergometer between control group and sickle cell trait group. The two groups have done submaximal exercise during 1 hour without particular difficulty. We have not observed a significant difference between the two groups in cardiovascular variables, rectal and skin temperature during exercise, and after 3 minutes of rest. These results show that subjects with SCT have physical capacity comparable with control subjects during a sub maximal exercise for 1 hour. We can assure that subjects with SCT in our country may participate in sports competition, as well as normal subjects (HbAA).
A simple algorithm forin vivoocular fundus oximetry compensating for non-haemoglobin absorption and scattering (2002)

An algorithm is introduced for the compensation of the influence of non-haemoglobin absorption as well as tissue scattering on blood spectra used in optical oximetry at the ocular fundus. The in vivo measured spectra were corrected by a linear transformation in order to match the reference spectra of fully oxygenated and reduced blood, respectively, at three isosbestic points (522 nm, 569 nm and 586 nm). The oxygen saturation can then be determined at a wavelength showing a high contrast between oxygenated and reduced haemoglobin (e.g., 560 nm). Reflection measurements at blood flowing through cuvettes were used to validate the algorithm. The oxygen saturation values were compared to measurements of the same samples at a laboratory haemoximeter. The mean deviation was found to be 2.65%.
Face space: Distinctiveness, discrimination and dippers (2010)

It is widely held that the neural representation of faces may be usefully viewed as a multi-dimensional “face-space” with the average at its origin. Under this view the distance between faces encodes their similarity, and distance from the origin encodes general “distinctiveness”. Here we compare objective and subjective measures of distinctiveness to uncover the nature of the dimensions supporting it. To this end we measured key-points for 64 Caucasian (Scotch) male faces, to yield a 70-parameter “identity vector” (IV) for each. Our stimuli were average-faces morphed to shift them along IVs. We estimated subjective distinctiviness by having observers rate 16-member subsets of the face-set. We then made two objective measures of distinctivness: IV-length (i.e. distance from average) and psychophysical discriminability of the face from the average. The latter was the smallest shift of an average face along the IV (estimated using QUEST) that supported a 3AFC odd-man-out judgment (i.e. the cued versus two averages). We report that subjective ratings correlate well ([[gt]]85%) with discriminability of the face from average, but less so with IV-length, suggesting that such thresholds are a useful psychophysical measure of distinctiveness. We next measured discrimination thresholds for faces morphed along the IV that were presented not just amongst averages, but amongst averages containing varying “pedestal” levels of morphing along the IV. Results indicate first, broadly inverse Weber's law dependence of threshold on pedestal; subjects get better at spotting the odd-man-out as faces become more atypical. Second, some faces elicit shallow “dipper functions” indicating discrimination is based on a non-linear transduction of (IV-encoded) identity level. By contrast, performance with inverted faces was uniformly poorer and exhibits straightforward inverse Weber's law behaviour with no dips. Thus our findings are related to encoding of facial distinctiveness and not visibility of distortion.
Bilateral vestibulopathy with positive Tullio phenomenon (2017)

NA.Laryngoscope, 128:1223-1225, 2018.
Time to Renal Disease and End-Stage Renal Disease in PROFILE: A Multiethnic Lupus Cohort (2006)

Fcgamma receptor genotype is a risk factor for progression of renal disease to ESRD. Since the frequency distribution of FCGR3A alleles does not vary significantly among the ethnic groups studied, the additional factors underlying the ethnic disparities in renal disease progression remain to be elucidated.
Error Approximation in Mesoscale Material Property Field Representations (2015)

Locally averaged random fields can be used to represent composite material properties at an intermediate scale. These types of fields provide the basis for stochastic simulation to generate nominally identical realizations of random composite microstructures to be used in reliability analysis. One challenge in choosing an appropriate local averaging technique and mesoscale length parameter is the difficulty of quantifying the accuracy of the locally averaged model. Although mesoscale models may offer advantages over the use of a representative volume element (RVE), particularly in regions of high stress gradients, mesoscale approximations do not converge to an effective medium, so the accuracy of the mesoscale representation cannot be quantified. In this paper, a matrix norm error is developed to test locally averaged material property approximations where loading is not specified a priori. This norm-based approach illustrates the advantage of local averaging over global averaging when small-scale variation in load may be present. This metric provides a basis for comparing locally averaged material property approximations of a benchmark composite microstructure.
408. Safety of Lysosomal Enzymes Over-Expression in HSC for Gene Therapy of Storage Disorders (2006)

In the past years we worked extensively on the development of HSC gene therapy for two fatal demyelinating lysosomal storage disorders, Metachromatic (MLD) and Globoid Cell (GLD) leukodystrophies. We recently demonstrated that transplantation of lentiviral vector-transduced Hematopoietic Stem Cells (HSC) prevented and corrected functional and pathological manifestations of MLD in the mouse model (Biffi A. et al., JCI 2004; Biffi A. et al, submitted for publication). Moreover, we proved the critical role of Arylsulfatase A (ARSA) over-expression to attain therapeutic efficacy. Similarly, promising preliminary results were obtained in the murine model of GLD. ARSA and galactocerebrosidase (GALC), the defective enzymes in MLD and GLD, respectively, catalyze two consecutive steps of sulfatide metabolism, leading to ceramide production. Both enzymes are poorly expressed in most tissues. In the perspective of future clinical applications of the HSC gene therapy, we assessed the safety of ARSA and GALC over-expression. We challenged murine and human HSC with LV encoding ARSA or GALC and tested their long-term repopulating potential and differentiation. Both human and murine HSC after gene transfer over-expressed ARSA up to 10-15 fold above normal levels and retained their capability to proliferate and differentiate in vitro, as assessed by CFC and LT-CIC assays. Murine cells efficiently repopulated transplanted hosts long-term. Interestingly, when transplanted in xenograft models (NOD-SCID and γchain-/-RAG-/- mice), human CD34+ HSC over-expressing ARSA repopulated long-term chimeric mice, both primary and secondary recipients, in which transduced cells were detected up to 20 weeks after the transplant, and showed a normal differentiation in B, T cells and monocytes. On the contrary, when GALC over-expressing murine HSC were transplanted into both wild type and homozygous defective irradiated mice, they failed to rescue transplanted animals from lethal conditioning. Transduced cells demonstrated a significantly reduced capability to proliferate and differentiate in vitro, as assessed by CFC assay, and underwent apoptosis, as assessed by TUNEL and activated caspase III stainings. Interestingly, these findings were completely reverted upon treatment of transduced cells with anti-apoptotic molecules, such as IGF1. Preliminary quantification of ceramide in both ARSA and GALC transduced HSC demonstrated an increase only upon GALC over-expression, indicating the critical role of this enzyme in controlling ceramide production and intracellular homeostasis. Overall, these data underline the safety of ARSA over-expression for future clinical testing and the requirement of regulated GALC expression for efficacious and safe HSC gene therapy, thus indicating a dramatic difference in the safety profile of these lysosomal enzymes.
Summary of Building Protection Factor Studies for External Exposure to Ionizing Radiation (2016)

Radiation dose assessments are used to help inform decisions to minimize health risks in the event of an atmospheric release of radioactivity including, for example, from a Radiological Dispersal Device, an Improvised Nuclear Device detonation, or a Nuclear Power Plant accident. During these incidents, radiation dose assessments for both indoor and outdoor populations are needed to make informed decisions. These dose assessments inform emergency plans and decisions including, for example, identifying areas in which people should be sheltered and determining when controlled population evacuations should be made. US dose assessment methodologies allow consideration of the protection, and therefore dose reduction, that buildings provide their occupants. However, these methodologies require an understanding of the protection provided by various building types that is currently lacking. To help address this need, Lawrence Livermore National Laboratory, in cooperation with Sandia National Laboratories and the Nuclear Regulatory Commission, was tasked with (a) identifying prior building protection studies, (b) extracting results relevant to US building construction, and (c) summarizing building protection by building type. This report focuses primarily on the protection against radiation from outdoor fallout particles (external gamma radiation).
Massively parallel systolic‐array architectures for 2d IIR polyphase space–time plane‐wave beam digital filters (2010)

SUMMARY A systolic architecture has recently been proposed for implementing two‐dimensional infinite impulse response (IIR) space–time beam plane‐wave filters at a throughput of one‐frame‐per‐clock–cycle for such applications as real‐time broadband smart antennas. A novel polyphase systolic architecture is proposed here that further increases the throughput of these IIR beam filters, by a factor of M, to M‐frames‐per‐clock‐cycle, where M is the number of polyphases. The proposed method combines the polyphase approach, along with pipelining and look‐ahead optimization methods, to achieve frame sample frequencies that are several times higher than the clock‐cycle limit of the very large‐scale integration (VLSI) technology, thereby potentially allowing multi‐GHz frame sample frequencies using current custom VLSI circuits. The implementation of a field programmable gate array‐based real‐time prototype is described, tested and verified for the two‐phase case ( M = 2) at a technology‐limited clock frequency of 50 MHz which corresponds to a throughput of 100 million‐frames‐per‐clock–cycle. Copyright © 2010 John Wiley &amp; Sons, Ltd.
Fabrication of Nanostructured Polymeric Surfaces for Biosensing Devices (2004)

In this paper a method for fabricating nanostructured polymeric surfaces with contrasted chemical functionality is presented. First, a polymer film of acrylic acid (PAA) is deposited by plasma enhanced chemical vapor deposition. It is covered by a monolayer of particles in the 500 nm range. Then oxygen plasma etching is performed, providing etching of both nanoparticles and acrylic acid film present between the masks. The etching process is stopped before the complete etching of the nanoparticles and the residual ones are removed by ultrasonic bath. Chemical contrast is thus created between nanodomes having plateau-like surface with as-deposited carboxylic functionality and substrate surface. Protein attachment experiments show that proteins are selectively bound to the functional plateau of the PAA domes.
Performance of Polar Codes with the Construction using Density Evolution (2009)

Polar coding, proposed by Arikan, makes it possible to construct capacity-achieving codes for symmetric binary-input discrete memoryless channels, with low encoding and decoding complexity. Complexity of the originally proposed code construction method, however, grows exponentially in the blocklength unless a channel is the binary erasure channel. Recently, the authors have proposed a new capacity-achieving code construction method with linear complexity in the blocklength for arbitrary symmetric binary-input memoryless channels. In this letter, we evaluate performance of polar codes designed with the new construction method, and compare it with that of the codes constructed with another heuristic method with linear complexity proposed by Arikan.
Direct electrodeposition of various metal nanocrystals on silicon oxide dielectric layer and insights into electrochemical behavior (2021)

Abstract Electrochemistry of thermally grown silicon oxide can address many interesting features and it was further embellished by the development of defective 200 nm thermal oxide grown on highly n‐doped silicon (n + ‐Si/SiO 2 ). However, there are still space to uncover underlying conduction mechanism and applications, specifically for defective 200 nm n + ‐Si/SiO 2 electrode. These could be addressed by direct electrodeposition, so various kinds of metal nanocrystals, Fe, Cr, Ir, Ru, Co, Pd, Cu, Ni, and Ag, were electrodeposited on it. Their shapes were characterized by SEM and electrodeposited amounts were quantified by ICP‐MS. Furthermore, voltammetry was conducted to provide insights into the direct electrodeposition mechanism of either H atom mediated electrochemistry or electron transfer through percolation paths. This work can further provide intuition toward the development of metal‐supported catalysts.
Longitudinal coherence of organic-based microcavity lasers (2008)

We report on the measurement of the longitudinal coherence of organic microcavity lasers based on a conjugated polymer. By using a modified Michelson interferometer configuration enabling single-shot measurements of the coherence length, the transition from spontaneous emission to lasing is investigated. The measured coherence length grows upon increasing the pumping fluence, saturating around 45 microm above threshold. At large fluences, possible thermal and photo-oxidation processes occurring in the gain medium limit the further increase of the coherence length. Our results are important for understanding lasing emission in organic microcavities and optimizing the device design and performances.
Variable Frequency Microwave Heating of Food (1999)

Industrial microwave food processing is universally based on single frequency microwave sources. With the emergence of variable frequency microwave ovens, it is possible to exploit the frequency dependence of a food's permittivity and/or choice of heating frequency, for example as a new route to achieving targeted heating. Variable frequency heating procedures are developed to overcome the geometry of a roughly spherical foodstuff dominating the heating pattern when heated in fixed frequency applicators. Target mean temperatures of 55, 75 and 90 degrees C within 2 minutes and without physical damage were set; means of 54.5 +/- 4.1, 75.1 +/- 4.7 and 87.6 +/- 3.5 degrees C respectively were achieved within the time constraint and with no major physical damage, based on combining 8 discrete frequencies between 2.4 and 6.2 GHz.
277 EFFECTS OF SEMINAL PLASMA ON SEX-SORTING BOVINE SPERM (2010)

This experiment evaluated how characteristics of bovine ejaculates affect the sortability of X- and Y-bearing spermatozoa. Ejaculates were collected by artificial vagina, 2 each from 10 bulls with an average of 1 h between collections. Only ejaculates with at least 60% motile and 70% normal sperm were used. Semen was centrifuged at 1 000 × g for 15 min to separate sperm from seminal plasma; seminal plasma was clarified by 10 min of additional centrifugation at 2 000 × g. Sperm were rediluted to 160 million sperm/mL with TALP (pH 7.4) and 0, 5, 10, or 20% seminal plasma, from the same ejaculate or reciprocally from first/second ejaculates. Following incubation with Hoechst 33342 for 45 min, an equal volume of TALP (pH 5.5) containing red food dye was added, and sperm were analysed on a MoFlo (Dako, Glostrup, Denmark) flow cytometer for percentage live-oriented cells, X sort rate, coincidence rate, percentage dead or dying (sperm membrane permeable to red dye), and splitability (peaks to valley ratio). The percentage live-oriented sperm was higher for treatments with 0% seminal plasma (64.4%) than for 5 (59.6%), 10 (59.0%), and 20% (57.8%) seminal plasma (P &amp;lt; 0.01). The percentage live-oriented sperm was higher for second (63.0%) than for first ejaculates (56.2%). Sort rate was higher for 0% seminal plasma and second ejaculates (P &amp;lt; 0.05). Dead/dying rates were lower for 0% (16.5%) than for 5 (21.9%), 10 (23.6%), or 20% (23.4%) seminal plasma (P &amp;lt; 0.003); and for first ejaculates (25.9%) compared with second ejaculates (18.2%). Seminal plasma percentage and ejaculate had no effect on splitability, and there was no difference in sorting parameters whether the seminal plasma was from the first or second ejaculate. The initial sperm concentration of the ejaculate (range, 1.3 to 3.4 billion sperm/mL) did not affect any sperm sorting parameter. Thus, effects of sperm concentration on sortability need to be reconsidered, as current practice is to select ejaculates to sort based on initial sperm concentration. The initial pH, percentage morphological abnormalities, initial seminal plasma pH, and age of bull did not affect sorting parameters. In conclusion, the presence of seminal plasma during staining and sorting may decrease sort rate and percentage of live-oriented cells, as well as increase death rate. In addition, sorting second ejaculates may be more advantageous than sorting first ejaculates. Future studies are needed to determine if the results hold true if sperm are stored for several hours and how the various factors affect sperm post-thaw viability.
DC‐STAMP, the Key Fusion‐Mediating Molecule in Osteoclastogenesis (2014)

As a member of the mononuclear phagocyte system, osteoclasts (OC) absorb the bone matrix and participate in bone modeling by keeping a balance with osteoblasts (OB) and stromal cells. Mature OC derive from the fusion of mononuclear osteoclasts (mOC) and the fusion is considered as the indispensable process for the osteoclastogenesis and absorbing activity of OC. DC-STAMP (dendritic cell-specific transmembrane protein) has been validated playing a key role in the fusion of mOC. DC-STAMP is mainly expressed in OC, macrophages and dendritic cells (DC). While DC-STAMP was discovered in DC, more attentions have been paid to DC-STAMP in OC in this decade. This review will mainly focus on the function of DC-STAMP in OC. Studies on DC-STAMP in DC may also provide new sight for the study of DC-STAMP in OC. Since the function of DC-STAMP is still poorly understood and few studies have been implemented for illustration, many issues are still unknown and need to be revealed. We will also discuss these questions in this review.
A programmable muscle stimulator based on dual-slope charge balance (2011)

This paper presents a single-channel programmable muscle stimulator. The charge balance of the proposed stimulator is achieved using the concept of the dual-slope analog-to-digital converter (ADC). This approach negates the need for precise current matching between cathodic and anodic current, which is usually required in order to achieve good charge balance. In the dual-slope concept, the charge on the integrating capacitor is proportional to the charges delivered during the cathodic phase. When charges on the integrating capacitor are fully discharged during anodic phase, charge balance is achieved. The proposed stimulator is demonstrated in a 0.35μm CMOS technology. Measurement results show that the stimulator is indeed able to produce balanced biphasic stimuli of different amplitudes and pulse-widths. Charge imbalance is in the range of nano-coulombs, well within the safety tolerance for muscle stimulation.
Novel three dimensional masking techniques for integrated photonic devices fabrication using low energy ion implantation induced quantum well intermixing (2017)

Low energy ion implantation induced quantum well intermixing is an attractive way to obtain bandgap tuning across laser heterostructures. This technique is well suited for InP based heterostructures where the amount of blueshift obtained is closely linked to the amount of point defects created through ion implantation. We have developed novel masking techniques for the fabrication of multiple bandgap heterostructures using a single ion implantation step through variable thickness masks. Two main approaches have been studied for ion implantation masking in order to address both high precision and large flexibility of the mask thickness.
HSIUNG, James C. (dir.). Asia Pacific in the New World Politics. Boulder, Lynne Rienner Publishers, 1993, 288 p. (1994)

HSIUNG, James C. (dir.). Asia Pacific in the New World Politics. Boulder, Lynne Rienner Publishers, 1993, 288 p.. Un article de la revue Études internationales (Les politiques extérieures des États non souverains : convergences et divergences) diffusée par la plateforme Érudit.