gebhart/patrepeval huggingface dataset:
Lead-free perovskite solar cells using Sb and Bi-based A3B2X9 and A3BX6 crystals with normal and inverse cell structures (2017)

Research of CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> perovskite solar cells had significant attention as the candidate of new future energy. Due to the toxicity, however, lead (Pb) free photon harvesting layer should be discovered to replace the present CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> perovskite. In place of lead, we have tried antimony (Sb) and bismuth (Bi) with organic and metal monovalent cations (CH<sub>3</sub>NH<sub>3</sub><sup>+</sup>, Ag<sup>+</sup> and Cu<sup>+</sup>). Therefore, in this work, lead-free photo-absorber layers of (CH<sub>3</sub>NH<sub>3</sub>)<sub>3</sub>Bi<sub>2</sub>I<sub>9</sub>, (CH<sub>3</sub>NH<sub>3</sub>)<sub>3</sub>Sb<sub>2</sub>I<sub>9</sub>, (CH<sub>3</sub>NH<sub>3</sub>)<sub>3</sub>SbBiI<sub>9</sub>, Ag<sub>3</sub>BiI<sub>6</sub>, Ag<sub>3</sub>BiI<sub>3</sub>(SCN)<sub>3</sub> and Cu<sub>3</sub>BiI<sub>6</sub> were processed by solution deposition way to be solar cells. About the structure of solar cells, we have compared the normal (n-i-p: TiO<sub>2</sub>-perovskite-spiro OMeTAD) and inverted (p-i-n: NiO-perovskite-PCBM) structures. The normal (n-i-p)-structured solar cells performed better conversion efficiencies, basically. But, these environmental friendly photon absorber layers showed the uneven surface morphology with a particular grow pattern depend on the substrate (TiO<sub>2</sub> or NiO). We have considered that the unevenness of surface morphology can deteriorate the photovoltaic performance and can hinder future prospect of these lead-free photon harvesting layers. However, we found new interesting finding about the progress of devices by the interface of NiO/Sb<sup>3+</sup> and TiO<sub>2</sub>/Cu<sub>3</sub>BiI<sub>6</sub>, which should be addressed in the future study.
Periodontal regeneration in a buccal dehiscence model in monkeys after application of enamel matrix proteins. (1997)

There is increasing evidence that cells of the epithelial root sheath synthesize enamel matrix proteins and that these proteins play a fundamental role in the formation of acellular cementum, the key tissue in the development of a functional periodontium. The purpose of the present study was to explore the effect of locally applied enamel matrix and different protein fractions of the matrix on periodontal regeneration in a buccal dehiscence model in monkeys. Buccal, mucoperiosteal flaps were raised from the canine to the 1st molar on each side of the maxilla. The buccal alveolar bone plate, the exposed periodontal ligament and cementum were removed. Various preparations of porcine enamel matrix with or without vehicles were applied before the flaps were repositioned and sutured. After 8 weeks, the healing was evaluated in the light microscope, and morphometric comparisons were made. Application of homogenized enamel matrix or an acidic extract of the matrix containing the hydrophobic, low molecular weight proteins, amelogenins, resulted in an almost complete regeneration of acellular cementum, firmly attached to the dentin and with collagenous fibers extending over to newly formed alveolar bone. After application of fractions obtained by neutral EDTA extraction containing the acidic, high molecular weight proteins of the enamel matrix, very little new cementum was formed and hardly any new bone. The results of the controls in which no test substance was applied before the repositioning of the flap, were very similar to those obtained with the EDTA extracted material. Propylene glycol alginate (PGA), hydroxyethyl cellulose and dextran were tried as vehicles for the enamel matrix preparations. Only PGA in combination with the amelogenin fraction resulted in significant regeneration of the periodontal tissues.
Potential dependence of the electrochemical transfer coefficient. Reduction of some nitro compounds in aprotic media (1977)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPotential dependence of the electrochemical transfer coefficient. Reduction of some nitro compounds in aprotic mediaJean Michel Saveant and Didier TessierCite this: J. Phys. Chem. 1977, 81, 23, 2192–2197Publication Date (Print):November 1, 1977Publication History Published online1 May 2002Published inissue 1 November 1977https://pubs.acs.org/doi/10.1021/j100538a012https://doi.org/10.1021/j100538a012research-articleACS PublicationsRequest reuse permissionsArticle Views384Altmetric-Citations62LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access options Get e-Alerts
Generation of CFU-C suppressor T cells in vitro. III. Failure of mitogen-primed T cells from patients with chronic granulocytic leukemia to inhibit the growth of normal CFU-C (1982)

T lymphocytes were derived by E rosetting from the peripheral blood (PB) and bone marrow (BM) of 15 patients with chronic granulocytic leukemia (CGL) in the chronic phase of their disease. T cells were also obtained from 12 healthy individuals. T cells were incubated overnight either in culture medium (RPMI) or RPMI plus pokeweed mitogen (PWM). The supernatants were then recovered and the cells washed in fresh RPMI. T cells from normal donors and from CGL patients were then cocultured with normal allogeneic marrow cells grown in soft agar for CFU-C colony formation. Target marrow cells were also grown in agar in the presence of T-derived supernatants. The results of this study can be summarized as follows. (1) Normal PB and BM T cells efficiently suppressed autologous and allogeneic CFU-C growth after PWM stimulation. (2) T cells derived from peripheral blood or marrow of CGL patients failed to inhibit CFU-C growth, whether pretreated with PWM or not. (3) The supernatants of PWM-treated normal T cells strongly inhibited CFU-C colony formation, whereas the supernatants of PWM-treated CGL T cells had no CFU-C/suppressor activity. These data indicate that T cells from CGL patients cannot be primed to become CFU-C suppressor cells after PWM: stimulation in vitro and cannot release a soluble inhibitor of granulopoiesis produced by PWM-primed normal T cells.
V03-03 ROBOTIC EXTRAVASCULAR GRAFT PLACEMENT FOR NUTCRACKER SYNDROME (2019)

You have accessJournal of UrologyUpper-Tract Reconstruction (V03)1 Apr 2019V03-03 ROBOTIC EXTRAVASCULAR GRAFT PLACEMENT FOR NUTCRACKER SYNDROME Roger Yau* and Georges-Pascal Haber Roger Yau*Roger Yau* More articles by this author and Georges-Pascal HaberGeorges-Pascal Haber More articles by this author View All Author Informationhttps://doi.org/10.1097/01.JU.0000555783.82914.0bAboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract INTRODUCTION AND OBJECTIVES: Our objective is to present a case of Nutcracker Syndrome and our experience with robotic extravascular graft placement. Nutcracker Syndrome is a rare vascular compression condition where the superior mesenteric artery (SMA) compresses the left renal vein against the aorta. It is most common in young, thin, females. It can cause left flank pain, renal vein thrombosis, left renal hypertension, pelvic congestion symptoms, and hematuria. It can be difficult to diagnose and treatment options are not standardized. The use of extravascular grafting was first published in 1988 in vascular surgery literature, but not commonly used when compared to endovascular stenting. However, endovascular stenting, vascular transposition, or autotransplantation, all require invasive vascular work, anticoagulation, and the morbidity associated with these techniques. METHODS: This is a case presentation of a young woman who we performed a robotic placement of extravascular graft in an attempt to reduce the compression on the renal vein and alleviate her symptoms. We used the da Vinci Si system and placed a 2cm diameter Gortex Prograft cut to 1.6cm around the left renal vein. RESULTS: There were no intraoperative complications. The estimated blood loss was 20mL. The patient was discharged on the second post operative day. She did not feel ready to leave the hospital on the first post operative day. One month after surgery, she was feeling well without pain and the hematuria had resolved. CONCLUSIONS: Robotic placement of an extravascular graft for the treatment of Nutcracker Syndrome can be a safe and minimally invasive option for this rare condition. Source of Funding: none Cleveland, OH© 2019 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 201Issue Supplement 4April 2019Page: e399-e399 Advertisement Copyright & Permissions© 2019 by American Urological Association Education and Research, Inc.MetricsAuthor Information Roger Yau* More articles by this author Georges-Pascal Haber More articles by this author Expand All Advertisement PDF downloadLoading ...
Modeling and Validation of Rotational Vibration Responses for Accessory Drive System—Part II: Simulations and Analyses (2013)

This is the second part of the paper for modeling and validation of the rotational vibration responses for an accessory drive system. The unified formulas for modeling the rotational vibration of an accessory drive system are presented. In the modeling of an accessory drive system, the damping and stiffness of a belt are regarded as the function of the excitation frequency of an engine and the amplitude of belt stretching. Additionally, the creeping effect of a belt on the pulley wrap arc is included in the model. A general purpose software for calculating the rotational vibration of an accessory drive system is developed, based on the presented unified formulas. One accessory drive system with seven pulleys, a tensioner, and a serpentine belt is used as a studying example to demonstrate the unified formulas and the procedure for obtaining the rotational vibration. In the simulation of the accessory drive system, the stiffness and damping of the belt, the friction coefficient between the belt and pulley, and the excitation torques with multifrequency components from the crankshaft torsional vibration are obtained from the experiment in the first part of this paper. The static tension and steady-state tension of each belt span, along with the natural frequency of the accessory drive system, rotational vibrations of the driven pulley and tensioner arm, and the dynamic tension of the belt span are calculated and compared well with the experimental data, which validate the presented unified formulas and the developed general purpose software. The modeling method and the procedure described in this paper are instructive for designing an accessory drive system.
Induction in ECG Leads Causes Fire in the MR bore - an Effect of the Electric HF Component (2003)

An MR exam of the lumbar spine of a 57-year-old patient was performed in a 1.5 T scanner (Gyroscan Intera T15, Master gradients (30 mT/m, 150 mT/m/ms), Philips, Best, NL). Excitation was done with the standard body coil, for acquisition a five-element phased array coil (synergy spine) was used. ECG monitoring was performed using MR compatible equipment (Tesla plus, MIPM, Mammendorf, FRG). Three Ag/AgCl gelled electrodes were fixed onto the right upper hemithorax. ECG signals were guided through standard cabling marked as MR compatible, consisting of a 96 cm long three-wire twisted ECG cable and a 276 cm long shielded extension cable. The resistance of the ECG cable was 240 Ohm, and 828 Ohm for the extension cable. All cables were guided without loops through the caudal opening of the magnet bore. Description of events During a sagittal T1w TSE scan (TR 3.5 s, TE 120 ms, FW 90°, ETL 17, SAR 3.0 W/kg BW) the patient suddenly cried for help. The supervising anaesthesiologist noticed a flame of about 3 cm arising from the patient's shirt, near the ECG electrodes. He extinguished the flames with his hands from the head opening. The patient was immediately pulled out of the magnet bore. A subsequent examination revealed second to third degree burns at the position of the ECG electrodes. The wound was covered with a sterile bandage, and the patient recovered well from this incident. A closer inspection of the ECG leads revealed that the plastic clips connecting ECG lead and electrodes were deformed and partially molten (Fig. 1). The plastic foils of the electrodes were stained with soot, but not molten or perforated and remained intact. Discussion Subsequent experiments have shown that the applied spin echo sequences induced sufficiently high voltages into the ECG cables to induce sparking. Especially if the clip had loose contact with the electrode, sparks between clip and electrode emerged, even with the cable properly connected to the monitor. The findings after the incident indicate a significant heating at the lead-electrode contact, presumably caused by sparks. The released heat deformed the clips, and the sparks inflamed the surrounding cloth. This event also reveals that too little attention is paid to the effect of the electric HF component. While commonly there are warnings to avoid inductions due to the magnetic component of the HF field in current loops, in straight conductors induction caused by the electric HF field component is possible as well. This danger exists even with equipment that is specifically marked as MR compatible.
77; H1-Antagonism has beneficial effects on cardiovascular, and pulmonary functions in porcine hyperdynamic endotoxic shock (1994)

Dimmeler, S.; Lechleuthner, A.; Troost, K.; Auweiler, M.; Neugebauer, E. Author Information
The Design of Portable Electric Cooker (2014)

In the future, if we can be able to eat tasty rice at any time and if it can be to save space will be the decisive standards of a rice cooker. Nowadays, the Market need for a new portable rice cooker to improve the lives of office workers. First, to understand all various parts of the rice cooker in the structure, thereby conducted a survey on office workers to understand the style feature needs of their rice cooker. Finally we will design a new kind of rice cooker that is easy to use and carry.
Global convergence of local agent behaviors (2005)

Many multi-agent systems seek to reconcile two apparently inconsistent constraints. The system has a global overall objective. However, the agents have only local information to guide their actions. Such systems are presently more art than science. They often exhibit regularities (such as exponential convergence) that we do not understand, and we do not know how to improve their functioning in a disciplined manner. In this paper, we develop a simple statistical model for such systems that can enhance both our intuitions about their functioning and our ability to engineer them, and apply it to three systems that we have constructed.
XFCT-MRI hybrid multimodal contrast agents for complementary imaging (2022)

Multimodal contrast agents in biomedical imaging enable the collection of more comprehensive diagnostic information. In the present work, we design hybrid ruthenium-decorated superparamagnetic iron oxide nanoparticles (NPs) as the contrast agents for both magnetic resonance imaging (MRI) and X-ray fluorescence computed tomography (XFCT). The NPs are synthesized <i>via</i> a one-pot polyol hot injection route, in diethylene glycol. <i>In vivo</i> preclinical studies demonstrate the possibility of correlative bioimaging with these contrast agents. The complementarity allows accurate localization, provided by the high contrast of the soft tissues in MRI combined with the elemental selectivity of XFCT, leading to NP detection with high specificity and resolution. We envision that this multimodal imaging could find future applications for early tumor diagnosis, improved long-term treatment monitoring, and enhanced radiotherapy planning.
Perforation of the greater gastric curvature by a gastric adenocarcinoma with engulfment of the upper pole of the spleen (2022)

International audience
Mesoporous CuO Particles Threaded with CNTs for High‐Performance Lithium‐Ion Battery Anodes (2012)

Mesoporous CuO particles threaded with carbon nanotubes are suggested as a novel class of nanocomposite material for a high-performance anode in the lithium-ion batteries. The nanocomposite electrode exhibits a highly reversible capacity (650 mA h g(-1) at 0.1 C rate) and an excellent C rate capability (580 mA h g(-1) at 5 C, and 500 mA h g(-1) at 10 C).
Bigels: A unique class of materials for drug delivery applications (2018)

Bigels, combination of organogel and hydrogel, are unique solid-like formulations with improved properties for food, cosmetics, and pharmaceutical applications. Bigel possesses merits of both phases, aqueous and oily, and displays better properties than either of the single gel. The uniqueness of bigels comes from their ability to deliver both hydrophilic and lipophilic active agents, enrichment of hydration of stratum corneum, easily spreadable, and so on. The main objective of this review article is to provide a thorough insight into the classification of bigels on the basis of synthesis method and morphology and also to demonstrate the detailed analysis of bigel formulations by considering different characterization techniques. Moreover, a special focus is given on the applications of bigels as drug delivery vehicles by transdermal route.
Improved citric acid-derived carbon dots synthesis through microwave-based heating in a hydrothermal pressure vessel (2022)

Carbon dots (CDs) are a diverse and wide-reaching field of study which encompasses multiple scientific disciplines. This, along with their extensive applications, calls for the need to continually seek to improve their synthesis efficiency. To this end, we focused upon the effects of altering the heating method on the characteristics and quality of the final CD product. In our approach, two different versions of heating techniques were used including the common oven-based hydrothermal method and a microwave (MW)-assisted hydrothermal method. The MW-assisted heating involved the implementation of a pressure vessel (similar to oven hydrothermal vessel) for improved yield of luminescent CDs. We found that this MW method yielded CDs of bright intensity with comparable shape, size, and dispersity to that produced using conventional hydrothermal methods. Specifically, the CDs average particle diameters were determined to be between 1.8 and 2.0 nm for either method. The MW method also demonstrated certain advantages over the oven method in terms of required reaction time and particle yield. The total reaction and cooldown time was reduced by ∼75% (with ideal MW heating time) and an estimation of the average CDs particle density revealed that the MW method was able to produce approximately 1.2 times more particles than the oven method in less time. Correcting for the same processing time, larger yields are available in microwave synthesis. We were able to also demonstrate that both versions of synthesized CDs can serve as viable fluorescence probes for <i>in vitro</i> imaging experiments due to the fact that, under the determined working conditions, their fluorescence emission is significantly greater than that of cell autofluorescence [oven: <i>p</i> = 1.47 × 10<sup>-27</sup> (blue), <i>p</i> = 6.98 × 10<sup>-4</sup> (green); 60 second MW: <i>p</i> = 7.59 × 10<sup>-10</sup> (blue), <i>p</i> = 3.03 × 10<sup>-4</sup> (green)] and the CDs were not cytotoxic. This rapid, simple synthesis approach can be applied to other forms of carbon dots and serves as a high-yield alternative to hydrothermal synthesis.
Mirror illusion using Augmented Reality: Investigating Multimodal Perceptual Distortions (2011)

Mirror illusion has been widely and successfully used in therapeutic settings to treat chronic pain patients but the mechanisms involved in the mirror illusion are yet not well understood. The aims of this study are: (a) to investigate a relationship between body ownership and the visual illusion of an increased/decreased hand size; (b) to understand whether tactile acuity and inner representations of the hands can be modulated by a mirror illusion using an Augmented Reality setting. 33 healthy right- handed volunteers participated in the study. Results indicate, that the degree of ownership to the enlarged hand and to the hand in the control condition can modulate inner representation of the hands and tactile acuity. These findings could have an important impact on how to utilise augmented reality and mirror illusion in therapy.
Low power, low area, analog blink restoration system with auto sleep mode for unilateral facial paralysis patients (2017)

Functional Electrical Stimulation is considered as one of the potential solutions for restoring the functionality of orbicularis oculi (a muscle that is responsible for eye-lid closure) in the patients suffering from Bells palsy. In this paper, we propose a synchronized blink function restoration system, wherein, the muscular activity of the healthy orbicularis oculi is sensed using EMG electrodes and a corresponding triggering pulse is provided to the non-functional muscle almost instantaneously. In this paper, we present the design of a low power blink restoration system comprising only low power analog blocks. The noise cancellation and filtration which typically is carried out in digital domain is replaced with a simple analog architecture. This resulted in a two fold reduction in power and more than hundred fold reduction in area. Furthermore, the designed system takes care of any false positives due to motion artifact. A simple mono-stable system based auto sleep mode is implemented to save power when the system is not in use. This analog blink restoration system designed in UMC 180nm CMOS technology has a Pre-amplifier gain of 20dB at 270Hz to 470Hz, CMRR > 70dB, input referred noise of less than 2 μV <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">rms</sub> . It consumes power of 6 μW at 1.2V supply voltage and an area of 0.095 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> .