gebhart/patrepeval huggingface dataset:
Origin of Sn(ii) oxidation in tin halide perovskites (2020)

Tin-halide perovskites have great potential as photovoltaic materials, but their performance is hampered by undesirable oxidation of Sn(<sc>ii</sc>) to Sn(<sc>iv</sc>). NMR proves DMSO to be a main cause of oxidation.
Ablation of parahisian ventricular focus (2015)

Idiopathic premature ventricular contractions (PVCs) are a common arrhythmia, sometimes presenting as highly symptomatic and drug-resistant ectopy and more rarely as a reduction in left ventricular function.1 Common sites of PVCs include the right and left ventricular outflow tracts, the mitral annulus, and the aortic cusps. In addition, the right ventricular septum in the vicinity of the His bundle has been reported to be a site of idiopathic PVCs.2–4 Radiofrequency (RF) application at the His-bundle region has the potential risk for atrioventricular conduction disturbance.
Characterization and Purification of a Secreted Plasminogen Activator Inhibitor (PAI-1) Induced by Transforming Growth Factor-β 1 in Normal Rat Kidney (NRK) Cells: Decreased PAI-1 Expression in Transformed NRK Cells* (1990)

Type 1 transforming growth factor-beta (TGF beta 1) was found to be a potent inducer of the secretion of a 49,000 mol wt protein by normal rat kidney (NRK) cells. This protein was related to type 1 plasminogen activator inhibitor (PAI-1) on the basis of molecular mass, activity in the presence of sodium dodecyl sulfate, immunoprecipitation by antibodies to PAI-1, and N-terminal sequence analysis. PAI-1 levels in the conditioned medium of NRK cells were increased 5- to 11-fold when cells were incubated with picomolar concentrations of TGF beta 1 for 24 h, reaching a concentration of approximately 0.3 microgram/ml. The secreted PAI-1 was deposited in the NRK extracellular matrix as well as released into the culture medium. A spontaneously transformed NRK cell line was found to secrete 3-4 times less PAI-1, in the absence or presence of TGF beta 1, compared to the parent cell line, while PAI-1 secretion in Kirsten sarcoma virus-transformed NRK cells was almost completely abrogated. A novel purification procedure was established, which results in the isolation of highly active and detergent-free TGF beta 1-induced PAI-1.
Feasibility study for the measurement of πN transition distribution amplitudes at P¯ANDA in p¯p→J/ψπ0 (2017)

The exclusive charmonium production process in pp annihilation with an associated π0 meson pp→J/ψπ0 is studied in the framework of QCD collinear factorization. The feasibility of measuring this reaction through the J/ψ→e+e- decay channel with the AntiProton ANnihilation at DArmstadt (PANDA) experiment is investigated. Simulations on signal reconstruction efficiency as well as the background rejection from various sources including the pp→π+π-π0 and pp→J/ψπ0π0 reactions are performed with PandaRoot, the simulation and analysis software framework of the PANDA experiment. It is shown that the measurement can be done at PANDA with significant constraining power under the assumption of an integrated luminosity attainable in four to five months of data taking at the maximum design luminosity.
Strong photocurrent from 2D excitons in solution-processed stacked perovskite semiconductor sheets (2015)

This is the final version of the article. It was first available from ACS via http://dx.doi.org/10.1021/acsami.5b07026
Approaching cm/sec calibration of high resolution astronomical spectrograph (2011)

Radial Velocity measurements have demonstrated to be the most successful way of finding extra solar planets; this technique has reported the larger quantity of exoplanet so far detected. Finding Earth like type exoplanets demands a cm/sec reproducible spectrograph calibration. A Laser Frequency Comb (LFC) calibration system [1], [2] has been developed and tested in several occasions with the HARPS spectrograph [3] at the 3.6m telescope on La Silla ESO Observatory since January 2009. The LFC shows a number of advantages compared to other traditional calibration sources [4].
Synchronized rotor angle measurement of synchronous machines (2012)

A key input parameter to governor feedback control and stability protection of generators is the angle of the induced voltage internal to the generator. Current practice is to estimate this value using measurements from the terminals of the generator and mathematical models. This project aims to develop a system that would directly measure the internal angle of the generator using a rotary encoder on the shaft of the machine. This document describes the theory and experimental setup of this proposed system and outlines the test procedure of experimentation.
Straight Photonic Nodal Lines with Quadrupole Berry Curvature Distribution and Superimaging “Fermi Arcs” (2022)

In periodic systems, nodal lines are loops in the three-dimensional momentum space with each point on them representing a band degeneracy. Nodal lines exhibit rich topological features, as they can take various configurations such as rings, links, chains, and knots. These line nodes are generally protected by mirror or PT symmetry and frequently accompanied by drumhead surface states. Here, we propose and demonstrate a novel type of photonic straight nodal lines in a D_{2D} metacrystal, which are protected by an unusual rotoinversion time (roto-PT) symmetry. These nodal lines are located at the central axis and hinges of the Brillouin zone. They appear as quadrupole sources of Berry curvature flux in contrast to the Weyl points, which are monopoles. Interestingly, topological surface states exist at all three cutting surfaces, as guaranteed by π-quantized Zak phases along all three directions. As frequency changes, the surface state equifrequency contours evolve from closed to open and become straight lines at a critical transition frequency, at which diffractionless surface wave propagations are experimentally demonstrated, paving the way toward development of superimaging topological devices.
EMERALDS: a microkernel for embedded real-time systems (2002)

EMERALDS (Extensible Microkernel for Embedded Real Time Distributed Systems) is a real time microkernel designed for cost conscious small to medium size embedded systems. It not only offers standard OS services like multi threaded processes, real time scheduling, protected address spaces, message passing, semaphores, and timers, but does so in an efficient manner while keeping the kernel size to just tens of kilobytes. For efficiency, EMERALDS uses the novel approach of mapping the kernel into each user level address space, so even with full memory protection, system calls do not need context switches unless a user level server is involved. EMERALDS also provides the flexibility for users to add communication protocol stacks and device drivers as user level servers without modifying the kernel. We have completed a uniprocessor version of EMERALDS for the Motorola 68040 processor whose size is under 13 KBytes. Context switch takes under 12 /spl mu/s and system calls have overhead just 1.8 /spl mu/s more than that of simple subroutine calls.
infections/divers/genou - Valeur de l'étude des polynucléaires altérés dans le diagnostic d'infection sur prothèse totale de hanche (2008)

Dacryoadenitis is an uncommon manifestation of infectious mononucleosis and may minimize other signs of the disease. Mononucleosis has to be considered in acute dacryoadenitis cases. Systemic steroids contribute to the fast regression of inflammatory condition.
The X-Linked DDX3X RNA Helicase Dictates Translation Reprogramming and Metastasis in Melanoma (2019)

The X-linked DDX3X gene encodes an ATP-dependent DEAD-box RNA helicase frequently altered in various human cancers, including melanomas. Despite its important roles in translation and splicing, how DDX3X dysfunction specifically rewires gene expression in melanoma remains completely unknown. Here, we uncover a DDX3X-driven post-transcriptional program that dictates melanoma phenotype and poor disease prognosis. Through an unbiased analysis of translating ribosomes, we identified the microphthalmia-associated transcription factor, MITF, as a key DDX3X translational target that directs a proliferative-to-metastatic phenotypic switch in melanoma cells. Mechanistically, DDX3X controls MITF mRNA translation via an internal ribosome entry site (IRES) embedded within the 5' UTR. Through this exquisite translation-based regulatory mechanism, DDX3X steers MITF protein levels dictating melanoma metastatic potential in vivo and response to targeted therapy. Together, these findings unravel a post-transcriptional layer of gene regulation that may provide a unique therapeutic vulnerability in aggressive male melanomas.
Preliminary investigations on a new gentamicin and vancomycin‐coated PMMA nail for the treatment of bone and intramedullary infections: An experimental study in the rabbit (2008)

To evaluate a new gentamicin-vancomycin- impregnated (2:1) PMMA coating nail as a drug delivery device to treat bone and intramedullary infections, methicillin-resistant Staphylococcus aureus (MRSA) was used to induce femoral osteomyelitis in 20 New Zealand male rabbits. Four weeks after inoculum, the animals were submitted to debridement of infected femur canal, divided into four groups of five animals each and treated according to the following protocols: Group 1, insertion of a steel AISI316 intramedullary nail; Group 2, insertion of a gentamicin-vancomycin-impregnated PMMA nail; Group 3, no therapy; and Group 4 no fixation device and 1-week systemic antibiotic therapy with teicoplanin i.m. At 7 weeks after inoculum, the femurs were explanted sterilely. The radiological score showed that the lowest and best radiological score was observed in Group 2 that was significantly different from the other groups. The highest bacterial load in the femoral canal was found in Group 1, which was significantly different from Group 2 and Group 4 (p < 0.05). Histology showed that Group 2 produced a marked improvement (p < 0.005) of the bone injuries induced by the osteomyelitis in comparison with the other groups (Smeltzer score). The current findings showed that tested device might effectively lead to MRSA infection healing after surgical debridement and immediate implantation.
Photoconductivity of Self-Assembled Hexabenzocoronene Nanotube: Insight into the Charge Carrier Mobilities on Local and Long-Range Scales (2011)

We performed kinetic study on the photoconductivity of coassembled nanotubes consisting of an amphiphilic hexa-peri-benzocoronene (HBC) and a HBC derivative appended with an electron-accepting trinitrofluorenone (TNF) moiety. The transient signals measured by flash-photolysis time-resolved microwave conductivity (FP-TRMC) were analyzed with a modified analytical solution of a first- and second-order differential equation. On the basis of charge-carrier generation efficiency independently determined by transient absorption spectroscopy (TAS), we simultaneously assessed the local and long-range charge carrier mobilities of the coassembled nanotubes. The former was found to be 3 cm2 V–1 s–1 for the coassemblies but dropped to 0.7 cm2 V–1 s–1 at HBC-TNF = 100% due to lowering of a structural integrity of π-stacked HBC arrays. In contrast, the latter was <1.5 × 10–4 cm2 V–1 s–1 and monotonically decreased when the HBC-TNF content was increased. Discussion would be of help in the better understanding of the electrical property of self-assembled organic nanoelectronics.
Passive directional sub-ambient daytime radiative cooling (2018)

Demonstrations of passive daytime radiative cooling have primarily relied on complex and costly spectrally selective nanophotonic structures with high emissivity in the transparent atmospheric spectral window and high reflectivity in the solar spectrum. Here, we show a directional approach to passive radiative cooling that exploits the angular confinement of solar irradiation in the sky to achieve sub-ambient cooling during the day regardless of the emitter properties in the solar spectrum. We experimentally demonstrate this approach using a setup comprising a polished aluminum disk that reflects direct solar irradiation and a white infrared-transparent polyethylene convection cover that minimizes diffuse solar irradiation. Measurements performed around solar noon show a minimum temperature of 6 °C below ambient temperature and maximum cooling power of 45 W m<sup>-2</sup>. Our passive cooling approach, realized using commonly available low-cost materials, could improve the performance of existing cooling systems and enable next-generation thermal management and refrigeration solutions.
A moving horizon state estimator in the control of thermostatically controlled loads for demand response (2013)

The quality and effectiveness of the load following services provided by centralized control of thermostatically controlled loads depend highly on the communication requirements and the underlying cyberinfrastructure characteristics. Specifically, ensuring end-user comfort while providing real-time demand response services depends on the availability of the information provided from the thermostatically controlled loads to the main controller regarding their operating statuses and internal temperatures. State estimation techniques can be used to infer the necessary information from the aggregate power consumption of these loads, replacing the need for an upstream communication platform carrying information from appliances to the main controller in real-time. In this paper, we introduce a moving horizon mean squared error state estimator with constraints as an alternative to a Kalman filter approach, which assumes a linear model without constraints. The results show that some improvement is possible for scenarios when loads are expected to be toggled frequently.
Modelling voltage-demand relationship on power distribution grid for distributed demand management (2015)

Most existing demand response or management algorithms require a dedicated communication infrastructure to coordinate actions of electricity users. However, the necessary communication infrastructures may not be available in many low-voltage (LV) networks around the world. On the other hand, implicit information on the state of the network is readily available at all times via measurements. In this paper we propose a stochastic modelling approach to estimate aggregate network demand from local voltage measurements at each household using a gamma distribution. The model suggests a linear relationship between the expected value of network demand and voltages at households in the network. We propose a set of illustrative distributed demand control algorithms that allow making decisions based on local information only. Depending on the nature of different appliances, the algorithms either shift the entire demand block to another time (for deferable loads such as driers) or alter the consumption rate of an appliance continuously (for granular loads such as electric vehicles). We illustrate via simulations that the stochastic model captures the actual relationship between voltage and demand. The resulting demand management algorithms are efficient in reducing demand peaks without reducing the overall consumption. Moreover, the lack of explicit communication requirements makes the algorithms scalable and readily applicable to most LV networks.
Use of polyvalent cow colostrum in the prevention of enteric infections in calves and piglets. (1978)

Colostrum of cows immunized with a polyvalent vaccine against enteropathogenic strains of Escherichia coli gave good protection to piglets and calves against enteric coli infections. Bovine immunoglobulin (IgG1) and its precipitable fragments persisted in the small intestine of piglets for 6 hours after oral administration. The proteolytic breakdown of porcine colostral IgG2, which occurs predominantly in the small intestine proceeded at a higher rate than that of heterologous bovine colostral IgG1. Colostrum of cows immunized with transmissible gastroenteritis (TGE) virus by intramammary administration protected newborn piglets from virulent TGE virus on oral administration. The prevention of enteric coli infections in suckling piglets and calves in Czechoslovakia is based on vaccination of pregnant cows and sows and on additional passive protection of weanlings by oral administration of dried or liquid immune colostrum or serum of cows vaccinated with polyvalent vaccines prepared from enteropathogenic strains of E. Coli.
Nonlinear Polarization Crosstalk Canceller for Dual-Polarization Digital Coherent Receivers (2010)

A novel method is proposed to compensate polarization crosstalk induced by inter-channel nonlinearity. Experiments have demonstrated that the proposed method provides over 1 dB performance improvement for 112 Gb/s dual-polarization QPSK coherent receivers.
"Frozen" Micelles: Polymer Nanoparticles of Controlled Size by Self-Assembly (2008)

Block copolymer micelles generated by spontaneous molecular self-assembly can serve as nanoparticles that are intrinsically passivated as well as stable, and with a controlled dispersion of size. But micelles are not "permanent" nanoparticles, because the equilibrium self-assembly process involves free exchange of block copolymer between the micelle and the surrounding solvent medium. However, micelles that are "frozen" in the kinetic sense can be prepared if one block of the copolymer has a high enough glass transition temperature or large enough hydrophobicity, so as to cause a large activation energy barrier for molecular exchange. In such systems, the nanoparticle preparation method involves the molecular dissolution of the block copolymer in a solvent common to both blocks, followed by the replacement of the common solvent by a selective solvent to cause the freezing of the micelle. In this work, we present a theory for predicting the size and shape of such "frozen" micelles in selective solvents, prepared using mixed solvents. We show that the resulting micellar properties are significantly different compared to those predicted based on the nature of the selective solvent alone, without considering the micelle preparation procedure.
Digital Baseband Compensation for Mobile SFBC-OFDM Systems with Receiver I/Q Imbalance (2008)

In-phase and quadrature-phase (I/Q) imbalance is a major performance-limiting impairment for direct- conversion orthogonal frequency division multiplexing (OFDM) transceivers. I/Q imbalance degrades the signal-to-noise-ratio in an OFDM system by causing inter-channel-interference (ICI) between image subcarriers. Doppler spread due to mobility also causes ICI but mainly between adjacent subcarriers. In this work, we investigate the combined effects of mobility and I/Q imbalance in a multiple-input-multiple-output-OFDM system with the alamouti space-frequency block-coding scheme and design an effective compensation technique. Furthermore, we propose a novel pilot allocation and channel estimation scheme, and exploit the problem structure to reduce complexity.
Skeletal muscle-derived stem cells differentiate into hepatocyte-like cells and aid in liver regeneration. (2010)

The liver is unique for its ability to regenerate after injury, however, critical injuries or disease cause it to lose this quality. Stem cells have been explored as a possibility to restore the function of seriously damaged livers, based on their self-renewability and multiple differentiation capacity. These experiments examine the ability of muscle derived stem cells (MDSCs) to differentiate into hepatocyte-like cells in vitro and acquire functional liver attributes for repairing damaged livers. In vitro experiments were performed using MDSCs from postnatal mice and mouse hepatocyte cell lines. Our data revealed that MDSCs differentiated into hepatocyte-like cells and expressed liver cell markers, albumin, hepatocyte nuclear factor 4 α, and alpha feto-protein, both at the RNA and protein level. Additionally, in vivo studies showed successful engraftment of MDSCs into hepatectomized mouse livers of mice. These results provide evidence suggesting that MDSCs have the capacity to differentiate into liver cell-like cells and may serve as potential candidates to aid in liver regeneration.
Monolithic cells for solar fuels (2014)

Hybrid energy generation models based on a variety of alternative energy supply technologies are considered the best way to cope with the depletion of fossil energy resources and to limit global warming. One of the currently missing technologies is the mimic of natural photosynthesis to convert carbon dioxide and water into chemical fuel using sunlight. This idea has been around for decades, but artificial photosynthesis of organic molecules is still far away from providing real-world solutions. The scientific challenge is to perform in an efficient way the multi-electron transfer reactions of water oxidation and carbon dioxide reduction using holes and single electrons generated in an illuminated semiconductor. In this tutorial review the design of photoelectrochemical (PEC) cells that combine solar water oxidation and CO2 reduction is discussed. In such PEC cells simultaneous transport and efficient use of light, electrons, protons and molecules has to be managed. It is explained how efficiency can be gained by compartmentalisation of the water oxidation and CO2 reduction processes by proton exchange membranes, and monolithic concepts of artificial leaves and solar membranes are presented. Besides transferring protons from the anode to the cathode compartment the membrane serves as a molecular barrier material to prevent cross-over of oxygen and fuel molecules. Innovative nano-organized multimaterials will be needed to realise practical artificial photosynthesis devices. This review provides an overview of synthesis techniques which could be used to realise monolithic multifunctional membrane-electrode assemblies, such as Layer-by-Layer (LbL) deposition, Atomic Layer Deposition (ALD), and porous silicon (porSi) engineering. Advances in modelling approaches, electrochemical techniques and in situ spectroscopies to characterise overall PEC cell performance are discussed.
Comparison of Targeted Mass Spectrometry Techniques with an Immunoassay: A Case Study for HSP90α (2017)

Using fractionation, it is possible to measure ng mL<sup>-1</sup> levels of HSP90α in a reproducible, selective, and sensitive way using PRM in serum. This opens up the possibility to use PRM in a multiplexed way as an attractive alternative for immunoassays without the use of antibodies or comparable binders.
Moxalactam epimer disposition in patients undergoing continuous ambulatory peritoneal dialysis (1985)

The kinetics of the epimers of moxalactam (R-MOX, S-MOX) were investigated in patients without infections who were receiving continuous ambulatory peritoneal dialysis after both intravenous and intraperitoneal injections of moxalactam. R-MOX and S-MOX were well absorbed from the peritoneal cavity, with mean systemic availability of 0.71 +/- 0.18 and 0.79 +/- 0.18, respectively. After intravenous MOX, serum clearance was 10.2 +/- 3.4 (R-MOX) and 10.9 +/- 3.2 (S-MOX) ml/hr/kg. Net time-averaged peritoneal dialysis clearance of both epimers was minimal, about 10% of serum clearance. Serum and dialysate MOX concentrations were above the minimum inhibitory concentrations for susceptible bacteria for 24 hours after a 2.0 or 1.0 gm intravenous or intraperitoneal dose. Gastrointestinal side effects occurred after a 2.0 gm dose (both intravenous and intraperitoneal) but not after a 1.0 gm dose. There were no significant differences in the kinetics of R-MOX and S-MOX. A single 1.0 gm ip dose leads to serum and dialysate MOX concentrations above the minimum inhibitory concentration for susceptible pathogens for 24 hours.