gebhart/patrepeval huggingface dataset:
RF-Photonic Spatial-Spectral Channelizing Receiver (2021)

As mobile beam-bandwidth-product requirements accelerate, millimeter-wave (mmW) bands have been opened to telecommunications networks to enable wider channel bandwidths, while Massive Multiple-Input Multiple-Output (mMIMO) technology has been implemented to concurrently address multiple devices at the same frequency from a single base station. Such space-division multiplexing can be combined with spectral multiplexing to enable a very large number of concurrent users, but currently is implemented through computationally intensive digital beamforming networks. We show that a radio-frequency (RF) photonic receiver system, previously shown to be capable of sorting signals into respective spatial-spectral &#x2018;bins&#x2019; is further capable, through an injection-locked tunable optical local oscillator (TOLO), of recovering the data upon each signal in the RF scene. The TOLO is combined in free-space with an up-converted optical sideband and the combined optical field impinges upon an array of photodetectors, each corresponding to separate points in k-space, defined by unique combinations of angle-of-arrival (AoA) and carrier frequency. Using this free-space LO insertion, we demonstrate simultaneous recovery of multiple spatially co-located data streams with resilience to interference.
The Effect of Medial Meniscectomy and Meniscal Allograft Transplantation on Knee and Anterior Cruciate Ligament Biomechanics (2010)

The absence of the medial meniscus exposes the ACL to increased strain, whereas meniscal allograft lowered the strain on the native ACL. This could have implications for those patients undergoing ACL reconstruction who have concomitant removal of the medial meniscus.
A high-throughput secure reliable multicast protocol (1997)

A (secure) reliable multicast protocol enables a process to multicast a message to a group of processes in a way that ensures that all honest destination-group members receive the same message, even if some group members and the multicast initiator a
Exploratory study of relationships between [18F] Sodium fluoride PET metabolic bone measures and MRI bone porosity index in the tibial tuberosity (2023)

Molecular information derived from dynamic [ 18 F]NaF PET imaging holds promise to study bone remodeling in bone and joint disorders. The porosity index (PI), based on ultra-short echo-time (uTE) MRI, has been proposed to study bone porosity in clinically valuable acquisition times. We explored the association between bone metabolic and porosity information in the tibial tuberosity in a cohort of 10 subjects with knee OA using hybrid PET-MRI imaging. We found a moderate negative correlation between the metabolic bone remodeling (K i ) and the porosity index. These promising results may highlight a new tool to unveil unknown pathways in musculoskeletal disease pathophysiology.
Is “ambient vision” distributed in the brain? (2000)

Ambient vision comprises the visual functions that are associated with the maintenance of spatial orientation and that depend on peripheral, preconscious visual inputs. Although a limited number of brain areas appear to be activated by coherent wide-field-of-view (WFOV) motion in more than one axis, a diffuse pattern of lateralized brain activity occurs in response to clockwise or counterclockwise ambient visual roll motion [15]. In the present study involving positron emission tomography (PET), a similar finding was shown for rightward versus leftward yaw stimulation. A total of 18 PET scans were obtained from six subjects in response to either leftward or rightward WFOV motion in a collimated display subtending [Formula: see text] horizontally. Rightward stimulation elicited mainly activation throughout the right hemisphere, whereas leftward stimulation elicited mainly activation throughout the left hemisphere. These findings provide further evidence that the ambient vision signal is either processed or transmitted throughout the entire brain, as befits a visual function that is fundamental to all other perceptual systems.
Optimal Data Delivery in Wireless Sensor Networks in the Energy and Latency Domains (2006)

In this paper we address the problem of optimal data gathering in wireless sensor networks (WSN). The goal of this work is to develop algorithms and techniques in order to minimize the data delivery latency and at the same time balance the energy consumption among the nodes, so as to maximize the network lifetime. Following an incremental-complexity approach, several mathematical programming problems are proposed with focus on different network aspects. First, the static routing problem is formulated for large and dense WSNs. Then, an accurate network model is proposed that captures the tradeoff between the data delivery latency and the network energy consumption by modeling the interactions among the routing, medium access control and physical layers. Finally, we consider dynamic rerouting and scheduling. For each problem we provide extensive simulations results for reference scenarios. The proposed models provide a deeper insight into the problem of timely and energy efficient data gathering. Along with the simulation results reported here they provide useful guidelines for the design of effective WSNs.
Impact of Multiple Transmissions using Incremental Redundancy for 5G-MBS (2022)

This paper presents an impact of the incremental redundancy (IR) based multiple transmission for providing multimedia broadcast multicast service (MBMS) under a cellular network. It is assumed that user equipments (UEs) are connected to the network and periodically feedback the channel quality. Taking into account the expected processing gain, we evaluate the coverage probability depending on whether the scheme of the multiple transmissions is adopted. The simulation result shows that the coverage probability can be improved by more than 10% under the considered analysis conditions.
Design of Location Service for a Hybrid Network of Mobile Actors and Static Sensors (2006)

Location services are essential to many applications running on a hybrid of wirelessly-networked mobile actors and static sensors, such as surveillance systems and the Pursuer and Evader Game (PEG).To our best knowledge, there has been no previous location service protocol for wireless sensor networks.A number of location service protocols have been proposed for mobile ad hoc networks, but they are not applicable to sensor networks due to the usually large per-hop latency between sensors.In this report, we present a distributed location service protocol (DLSP) for wireless sensor networks.Using a rigorous analysis of DLSP, we derive the condition for achieving a high packet-delivery ratio, and show how to configure the protocol parameters to ensure the scalability of DLSP.We prove that DLSP is scalable if the mobile's speed is below a certain fraction of the packet-transmission speed, which depends on a movement threshold.For example, if the movement threshold for the lowest-level location servers is the same as the radio range, the mobile's speed limit is one-tenth of the packet-transmission speed.The mobile's theoretical speed limit is one-fifth of the packet-transmission speed, beyond which DLSP cannot scale regardless of the movement threshold.Because DLSP suffers from a high location-update overhead, we propose an optimization, called DLSP with the Selected Neighbor (DLSP-SN), which can reduce the update overhead by more than 70%, while achieving a high packet-delivery ratio.Due to the griding effect, the average packet's path length of DLSP-SN is longer than that of DLSP.This increases data-delivery cost for continuous data streams.In order to make a tradeoff between update and data-delivery costs, we present a greedy adaptation mechanism, called DLSP-
Investigation of Ethylene Carbonate Free Electrolyte for L4Ti5O12 Vs LiNi0.6Mn0.2Co0.2O2 Multi-Layer Pouch Cells (2020)

Lithium titanate (L 4 Ti 5 O 12 or LTO) is a sought-after alternative in conjunction with high voltage capable cathodes to the graphite anode in lithium ion batteries for electric vehicle and stationary storage applications. LTO offers improved abuse tolerance due to elimination of lithium dendrite formation when compared to graphite, the zero-strain property which enables operation at high rates, wide operating temperature range, and long cycle life. 1 The limitations of LTO include a low specific capacity that of which is half the capacity of graphite anode, significant gas generation, and a high working potential (1.55V vs Li 0 /Li + ). LTO pairing with various Li[Ni x Mn y Co 1-xy ]O 2 (NMC) materials appears interesting as it may offer improvements to the low specific capacity of the LTO material, when compared to cathode materials such as LMO or LCO 2 without the complexities and numerous challenges still associated with spinel cathode materials. Herein we report on an electrolyte optimization study for the LiNi 0.6 Mn 0.2 Co 0.2 O 2 (NCM622)//LTO electrode couple using multi-layer pouch cells, which focuses on ethylene carbonate (EC) free formulations, with the aim of reducing the amount of gas formed by the LTO anodes. References N. Takami, H. Inagaki, Y. Tatebayashi, H. Saruwatari, K. Honda, S. Egusa, J. Power Sources , 244 , 469-475 (2013). N. Gauthier, C. Courrèges, J. Demeaux, C. Tessier, H. Martinez, J. Electrochem. Soc., 167 , 040504 (2020).
A laser-scanning endoscope based on polysilicon micromachined mirrors with enhanced attributes (2003)

A miniaturized laser scanning endoscope is presented which makes use of three lasers to illuminate a sample with a red, a green and a blue wavelength simultaneously. Scattered light from the sample is descanned and chromatically separated into the three channels for detection and postprocessing to compose a color image. The scanning subsystem consists of two micro-electro-mechanical mirrors suitable for mass production. The endoscope head can be assembled fast and at low cost. A resolution of the order of 16 lines per mm is achieved for a working distance common in endoscopy. Considerations of the system design include the operation of the mico mirrors, the filtering of reflected light by using polarization effects and a strategy to cope with color metamery. An expert system based on a neural network was found able to analyze endoscopic images to identify suspicious lesions.
407 Surgical Site Infection of Renal Transplant Patients Stratified by BMI (2022)

Abstract Aim Surgical site infection increases with BMI with values ranging from 20% to greater than 40%. There are increasing numbers of obese patients (BMI &amp;gt;30) undergoing transplants and this audit aims to review the incidence and grade of surgical site infection (SSI) of renal transplant recipients stratified by BMI. Method 65 renal transplants were performed between April 2020-March 2021 with 58 kidneys from deceased donors and 7 kidneys from live donors. A retrospective review of clinical attendances, GP letters, prescriptions, imaging, and re-admissions was completed. Nearly one-third of the patients had pre-transplant diabetes (32%), and their median BMI was 28 (range 19–40.7). The incidence of SSI was reported after 3 months follow up and graded using the Clavien-Dindo Classification. Results The overall rate of SSI was 15%. SSI was 12.8% in patients with BMI&amp;lt;30, 15.8% in BMI 30–34.9, 33.3% in BMI 35–35.9, and 0 in BMI&amp;gt;40 (only one recipient). There was no significant correlation between diabetes and SSI, with 19% of SSI reported in diabetic patients versus 14% in patients without diabetes (p-value=0.7). Two patients had a Clavien-Dindo grade I infection, 1 grade II, and 7 Grade III, with no grade IV or V SSI. No patients required operative management of SSI. Conclusions The overall rates of SSI stratified by BMI were within expected limits. Diabetes was not an independent predictor of SSI. No complication required general anesthesia or surgical treatment. When SSI did occur in obese patients it did cause considerable morbidity through number of attendances for dressing changes over 3 months.
Relationship of the Implantable Cardioverter Defibrillator and Chronic Resynchronization Therapy: The Perfect Marriage? (2005)

We are now at a crossroads in the further extension of either therapy. The majority of the indications for either device alone or in combination are established. In the next few years, assuming the continued commitment on the part of regulatory agencies to fully embrace evidence-based medicine, we will see indications extended but only by the careful clinical trials that became the bedrock of their initial acceptance.
A variable-frequency parallel I/O interface with adaptive power-supply regulation (2000)

This paper presents a low-power high-speed CMOS signaling interface that operates off of an adaptively regulated supply. A feedback loop adjusts the supply voltage on a chain of inverters until the delay through the chain is equal to half of the input period. This voltage is then distributed to the I/O subsystem through an efficient switching power-supply regulator. Dynamically scaling the supply with respect to frequency leads to a simple and robust design consisting mostly of digital CMOS gates, while enabling maximum energy efficiency. The interface utilizes high-impedance drivers for operation across a wide range of voltages and frequencies, a dual-loop delay-locked loop for accurate timing recovery, and an input receiver whose bandwidth tracks with the I/O frequency to filter out high-frequency noise. Test chips fabricated in a 0.35-/spl mu/m CMOS technology achieve transfer rates of 0.2-1.0 Gb/s/pin with a regulated supply ranging from 1.3-3.2 V.
Magnetic field probes for use in radio frequency plasma (2009)

An impedance analyzer has been used in the characterization of a magnetic induction probe (B-dot probe) for use in plasma. The role of the impedance analyzer was to determine the frequency response of a B-dot probe up to 100 MHz. The probe was specifically designed to take measurements in rf plasma driven at 13.56 MHz. Probe sensitivity and calibration are considered based on the impedance values obtained when a B-dot probe is swept over a wide frequency range. Effects such as unbalanced loads based on transmission line inductances and termination impedance are shown to be limiting factors on the probes useful frequency range. The use of an impedance analyzer allows these effects to readily be characterized.
Stereochemie ausgewählter Polymere (1999)

Polymere können natürlichen Ursprungs (beispielsweise Proteine und Kohlenhydrate) oder vom Menschen hergestellt (zum Beispiel Polyester) sein. Eine Betrachtung dieser Materialien im Rahmen dieses Buches ist deshalb notwendig, weil ihre Eigenschaften häufig durch die relative Konfiguration der Stereozentren der Substituenten entlang des Rückgrats beeinflußt werden.
An Entirely New Methodology for Synthesizing Perfluorinated Compounds. Synthesis of Perfluoroalkanesulfonyl Fluorides from Non‐Fluorinated Compounds. (2005)

Abstract For Abstract see ChemInform Abstract in Full Text.
Autophosphorylation of Archaeal Cdc6 Homologues Is Regulated by DNA (2001)

The initiator protein Cdc6 (Cdc18 in fission yeast) plays an essential role in the initiation of eukaryotic DNA replication. In yeast the protein is expressed before initiation of DNA replication and is thought to be essential for loading of the helicase onto origin DNA. The biochemical properties of the protein, however, are largely unknown. Using three archaeal homologues of Cdc6, it was found that the proteins are autophosphorylated on Ser residues. The winged-helix domain at the C terminus of Cdc6 interacts with DNA, which apparently regulates the autophosphorylation reaction. Yeast Cdc18 was also found to autophosphorylate, suggesting that this function of Cdc6 may play a widely conserved and essential role in replication initiation.
Expression of the Zymomonas Mobilis Gfo Gene for NADP‐Containing Glucose: Fructose Oxidoreductase (GFOR) in Escherichia Coli— Formation of Enzymatically Active Pregfor but Lack of Processing Into a Stable Periplasmic Protein (1997)

Glucose:fructose oxidoreductase (GFOR) of the gram-negative bacterium Zymomonas mobilis is a periplasmic enzyme with tightly bound cofactor NADP. The preprotein carries an unusually long N-terminal signal peptide of 52 amino acid residues. Expression of the gfo gene in cells of Escherichia coli K12, under the control of a tac promoter, led to immunologically detectable proteins in western blots, and to the formation of an enzymatically active precursor form (preGFOR), located in the cytosol. Processing of preGFOR to the mature form was not observed in E. coli. Replacement of the authentic GFOR signal peptide by the shorter signal peptides of PhoA or OmpA from E. coli led to processing of the respective GFOR precursor proteins. However, the processed proteins were unstable and rapidly degraded in the periplasm unless an E. coli mutant was used that carried a triple lesion for periplasmic and outer-membrane proteases. When fusion-protein export was inhibited by sodium azide or carboxylcyanide m-chlorophenylhydrazone, the cytoplasmic precursor forms of the respective preGFOR were not degraded. A major protease-resistant GFOR peptide from the OmpA-GFOR fusion was found within spheroplasts of E. coli to which NADP had been added externally. The formation of this peptide did not occur in the presence of NAD. It is concluded that NADP is required for GFOR to fold into its native conformation and that its absence from the E. coli periplasm is responsible for failure to form a stable periplasmic protein. The results strongly suggest that, in Z. mobilis, additional protein factors are required for the transport of NADP across the plasma membrane and/or incorporation of NADP into the GFOR apoenzyme.
On-pump beating heart coronary surgery for high risk patients requiring emergency multiple coronary artery bypass grafting (2008)

Standard on-pump arrested heart coronary surgery has higher mortality and morbidity in emergencies. The on-pump beating heart myocardial revascularization seems to be a valid alternative for the restricted and selected cohort of patients suffering from life threatening coronary syndrome and requiring multiple emergency CABG.
Extracorporeal membrane oxygenation without systemic anticoagulation: a case-series in challenging conditions (2020)

Short ECMO duration without anticoagulation was feasible and provided effective cardiopulmonary support in patients with active bleeding or high hemorrhagic risk. Further investigations are needed to evaluate its benefits or limitations for a protracted time, in a wider range of clinical conditions and in larger patient populations.
Androgen receptor disruption increases the osteogenic response to mechanical loading in male mice (2009)

In female mice, estrogen receptor-alpha (ERalpha) mediates the anabolic response of bone to mechanical loading. Whether ERalpha plays a similar role in the male skeleton and to what extent androgens and androgen receptor (AR) affect this response in males remain unaddressed. Therefore, we studied the adaptive response of in vivo ulna loading in AR-ERalpha knockout (KO) mice and corresponding male and female single KO and wild-type (WT) littermates using dynamic histomorphometry and immunohistochemistry. Additionally, cultured bone cells from WT and AR KO mice were subjected to mechanical loading by pulsating fluid flow in the presence or absence of testosterone. In contrast with female mice, ERalpha inactivation in male mice had no effect on the response to loading. Interestingly, loading induced significantly more periosteal bone formation in AR KO (+320%) and AR-ERalpha KO mice (+256%) compared with male WT mice (+114%) and had a stronger inhibitory effect on SOST/sclerostin expression in AR KO versus WT mice. In accordance, the fluid flow-induced nitric oxide production was higher in the absence of testosterone in bone cells from WT but not AR KO mice. In conclusion, AR but not ERalpha activation limits the osteogenic response to loading in male mice possibly via an effect on WNT signaling.
Evidence for C1q-mediated crosslinking of CD33/LAIR-1 inhibitory immunoreceptors and biological control of CD33/LAIR-1 expression (2017)

C1q collagen-like region (CLR) engaging and activating the LAIR-1 inhibitory immunoreceptor represents a non-complement mechanism for maintaining immune quiescence. Given the binding promiscuity of C1q's globular region (gC1q), we hypothesized that C1q concurrently associates with distinct inhibitory immunoreceptors to produce C1q-mediated modulatory networking. Like LAIR-1, CD33 inhibitory immunoreceptors are highly expressed on monocytes. Binding CD33 restricts cell activation/differentiation; however, natural ligands for CD33 remain elusive. CD33 has IgC2-like domains potentially recognized by gC1q. Thus, we asked whether C1q binds to CD33 and if C1q mediates CD33/LAIR-1 crosslinking. Our findings demonstrate that C1q and gC1q interact with CD33 to activate its inhibitory motifs, while CLR does not. Whole C1q is required to crosslink CD33 and LAIR-1 and concurrently activate CD33/LAIR-1 inhibitory motifs. While C1q binds CD33C2 domains, decreased C1q-CD33 interactions resulting from sialic acid masking of CD33C2 domains suggests a process for regulating C1q-CD33 activity. Consistent with defective self-tolerance, CD33/LAIR-1 expression is reduced in systemic lupus erythematosus (SLE) myelomonocytes. The anti-inflammatory cytokine M-CSF, but not DC growth factors, sustains CD33/LAIR-1 expression on both healthy and SLE cells suggesting further biological control of C1q-CD33/LAIR-1 processes.
The intersection of genetic and chemical genomic screens identifies GSK-3α as a target in human acute myeloid leukemia (2012)

Acute myeloid leukemia (AML) is the most common form of acute leukemia in adults. Long-term survival of patients with AML has changed little over the past decade, necessitating the identification and validation of new AML targets. Integration of genomic approaches with small-molecule and genetically based high-throughput screening holds the promise of improved discovery of candidate targets for cancer therapy. Here, we identified a role for glycogen synthase kinase 3α (GSK-3α) in AML by performing 2 independent small-molecule library screens and an shRNA screen for perturbations that induced a differentiation expression signature in AML cells. GSK-3 is a serine-threonine kinase involved in diverse cellular processes, including differentiation, signal transduction, cell cycle regulation, and proliferation. We demonstrated that specific loss of GSK-3α induced differentiation in AML by multiple measurements, including induction of gene expression signatures, morphological changes, and cell surface markers consistent with myeloid maturation. GSK-3α-specific suppression also led to impaired growth and proliferation in vitro, induction of apoptosis, loss of colony formation in methylcellulose, and anti-AML activity in vivo. Although the role of GSK-3β has been well studied in cancer development, these studies support a role for GSK-3α in AML.
Longitudinal Double-Spin Asymmetry for Inclusive Jet Production inp→+p→Collisions ats=200  GeV (2008)

We report a new STAR measurement of the longitudinal double-spin asymmetry A(LL) for inclusive jet production at midrapidity in polarized p + p collisions at a center-of-mass energy of sqrt[s]=200 GeV. The data, which cover jet transverse momenta 5<p(T)<30 GeV/c, are substantially more precise than previous measurements. They provide significant new constraints on the gluon spin contribution to the nucleon spin through the comparison to predictions derived from one global fit to polarized deep-inelastic scattering measurements.