gebhart/patrepeval huggingface dataset:
Differentiating Keratoconus and Corneal Warpage by Analyzing Focal Change Patterns in Corneal Topography, Pachymetry, and Epithelial Thickness Maps (2016)

The epithelial PSD can distinguish normal from keratoconus or warpage, but does not distinguish between these two conditions. The Anterior Ectasia Index is abnormal in keratoconus but not warpage. The Warpage Index is positive for warpage and negative for keratoconus, except in cases where keratoconus and warpage coexist. Together, the three parameters are strong tripartite discriminators of normal, keratoconus, and warpage.
Infrared Spectra of High Polymers. II. Polyethylene (1956)

The infrared spectrum of polyethylene has been obtained between about 3000 cm—1 and 70 cm—1, polarization measurements on oriented specimens having been obtained to about 350 cm—1. Assignments of the fundamentals are made with the help of a group theory analysis. The assignment of the controversial CH2 wagging mode is discussed in detail and especially in terms of new evidence from the spectra of n-paraffins, both as single crystals and as polycrystalline aggregates. It is shown that this mode is to be assigned to a weak band at 1369 cm—1. A satisfactory determination of the bands which arise from CH3 groups is also made possible by a study of the paraffin spectra. The splitting of bands in the spectrum is conclusively shown to arise from interactions between molecules in the crystalline phase. The nature of this interaction is discussed in terms of recent theories.
Clinical and pathological characteristics of patients with PC and the control group. (2016)

&lt;p&gt;Clinical and pathological characteristics of patients with PC and the control group.&lt;/p&gt;
System Design and Software Architecture of Traction Vehicle Control Computer (2006)

The overview of system design and software architecture of the distributed control computer (DCC) of an electric locomotive is presented. The DCC is organized as a local computer network with the master-slave node access method with a dual serial bus. User task activities in nodes are organized by the preemptive Real Time Operating System with dynamic planning or by simple static executive. Network communication services are uniformly used in all nodes to support reliable and user friendly transfer of process data inside DCC. The system design is based on criteria as functionality, reliability, fault tolerance and maintainability
On the Dynamics of Coupled Parametrically Forced Oscillators (2008)

It is well known that an autonomous dynamical system can have a stable periodic orbit, arising for example through a Hopf bifurcation. When a collection of such oscillators is coupled together, the system can display a number of phase-locked solutions which can be understood in the weak coupling limit by using a phase model. It is also well known that a stable periodic orbit can be found for a parametrically forced dynamical system, with the phase of the periodic orbit being locked to the forcing. Here we discuss the periodic solutions which occur for a collection of such parametrically forced oscillators that are weakly coupled together.
A study on synthesis and properties of Fe3O4 nanoparticles by solvothermal method (2010)

Magnetic nanoparticles (Fe3O4) were synthesized by the solvothermal method using FeCl3 · 6H2O and ethylene glycol as a reactant. Powder X-ray diffraction, FT-IR, TEM, SEM, and VSM were used to characterize the magnetic particles. The reacting factors, such as reacting time, the concentration of iron source and surfactant, especially the effect of NaAc · 3H2O, were studied. The results indicated that NaAc · 3H2O plays the role not only as a dispersant but also a structure-directing agent. The synthesized Fe3O4 particles showed excellent magnetic property, which made them have potential for application in magnetic nanodevices and biomedicine.
An analysis of wet anisotropic etching based bulk micromachining for the fabrication of Si tips (2016)

Silicon tip fabrication by wet anisotropic etching using Potassium Hydroxide (KOH) and Tetra Methyl Ammonium Hydroxide (TMAH) was studied under varying process conditions using thermal oxide as a mask. The fabrication was carried out using only wet etching with a single layer of optical lithography. The mask structures used for the formation of tips were circles of different dimeter ranging from 30 μm to 120 μm to fabricate the tips with diameter from 40nm to 400nm, without post oxidation sharpening method. Experiments were carried out under two different conditions: a) Beaker containing small volume with constant stirring and b) Bulk volume MEMS bath with and without recirculation and filtration. The results were analyzed to understand the nature of alkali solution and the effect of temperature and method of recirculation/filtration on the dimensions and nature of the tips formed, along with the behavior of the oxide mask in the two different solutions.
ChemInform Abstract: Diastereoselective Allylation of Aldehydes with an Enantiopure 2‐Sulfinylallyl Halide under Environmentally Friendly Barbier‐Type Conditions. (2000)

Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Kinetics of Human Mutant Tau Prion Formation in the Brains of 2 Transgenic Mouse Lines (2017)

The assessment of disease progression using 3 criteria showed that disease onset in PS19 mice is too variable to obtain reliable measurements for drug discovery research. However, the reproducibility of tau prion formation in young Tg(MAPT*P301S+/+) mice establishes a rapid assay for compound efficacy in vivo.
From Necklaces to Number Theorems (1955)

1. The problem of forming a necklace in which no two adjacent beads have the same colour was found, unexpectedly, to lead to the little Fermat theorem and to a companion congruence with a composite modulus. Let there be N + 1 different bead-colours. Then there are N + 1 choices of colour for the first bead to go on the string, and for each bead thereafter there are N choices. Hence for n beads the number of arrangements is ( N + 1) N n -1 But if the n th bead is the last to go on, it must have a different colour from the first.
Performance of a microstrip planar array antenna at millimeter wave frequencies using a series-parallel feed network (2002)

The authors report the simulation and measurement results of a Ka-band 4x4 microstrip subarray antenna using a novel series-parallel microstrip line feed network consisting of only 100 /spl Omega/ microstrip feed lines and without any physical quarter wave transformers. The effect of different feed impedances on the array impedance matching and gain characteristics are presented. Finally, using the proposed 4x4 subarray and the conventional corporate feed network, a 16x16 array was fabricated and experimentally tested. The array is suitable for LMCS/LMDS (Local Multipoint Communication Systems/Local Multipoint Distribution Service) applications. The basic requirements for these antennas are linear polarization, almost 30 dBi gain, and frequency bandwidth from 26.5 GHz to 29.5 GHz. The simulation results are generated using the ENSEMBLE 6.0 commercial software.
Effects of ionic impurities on dielectric breakdown of XLPE (2002)

Effects of ionic impurities on the dielectric breakdown of the crosslinked polyethylene (XLPE) were studied using aqueous electrolytes. It was found that the AC breakdown strength of XLPE decreases considerably when the ions are present in the electrodes composed of aqueous electrolyte. Details of results were described.
Supplementary Figure 2 from Acidity Generated by the Tumor Microenvironment Drives Local Invasion (2023)

&lt;p&gt;PDF file - 45K, Figure S2: Comparison of normal vs tumor cells by size. Using these phase contrast images, ROI were chosen and area of cells was determined by pixel number using Image-Pro Plus v6.2. Once area was measured, data analysis revealed statistical significance (p&lt;0.0001) between cell size.&lt;/p&gt;
Wafer‐Scale Selective‐Area Deposition of Nanoscale Metal Oxide Features Using Vapor Saturation into Patterned Poly(methyl methacrylate) Templates (2015)

Patterned, chemically reactive poly(methyl)methacrylate can act as a chemical “sponge” via Lewis acid/base adduct formation with metal‐organic reactants commonly used in atomic layer deposition. Extended reactant exposures saturate the reactant within the polymer, and subsequent oxidation removes the polymer and converts the saturated reactant to a metal oxide film that precisely mimics the lateral dimensions of the original polymer. Resulting oxide thickness scales with the starting polymer thickness. Regions without polymer are coated with less than 1 nm of metal oxide. Repeatable nanoscale features are formed simultaneously and uniformly across a 150 mm diameter silicon wafer.
Supplementary figure 3 from Intratumoral Immunotherapy with XCL1 and sFlt3L Encoded in Recombinant Semliki Forest Virus–Derived Vectors Fosters Dendritic Cell–Mediated T-cell Cross-Priming (2023)

&lt;p&gt;Cytokine production profiling of CD4+ T cells in draining lymph nodes from mice intratumorally treated with SFV-XF.&lt;/p&gt;
Selection criteria for AlGaAs-GaAs heterostructures in view of their use as a quantum Hall resistance standard (1989)

The effects of several practical properties of GaAs-AlGaAs heterostructures on the accuracy of a quantum-Hall resistance standard at a level of 1:108 are discussed. Conduction through a parallel layer, metallic current contacts, homogeneity of the electron density, sample size, and mobility are addressed. Measurements are presented concerning the influences of sample size and mobility. As regards mobility, the slope of the Hall plateau, longitudinal resistance, and critical current have been investigated. Recommendations are given on sample geometry and mobility. Feasible measurement methods are presented to check the absence of a parallel conducting layer and the quality of the contacts.
Development of a potent high-affinity human therapeutic antibody via novel application of recombination signal sequence–based affinity maturation (2021)

Therapeutic antibody development requires discovery of an antibody molecule with desired specificities and drug-like properties. For toxicological studies, a therapeutic antibody must bind the ortholog antigen with a similar affinity to the human target to enable relevant dosing regimens, and antibodies falling short of this affinity design goal may not progress as therapeutic leads. Herein, we report the novel use of mammalian recombination signal sequence (RSS)-directed recombination for complementarity-determining region-targeted protein engineering combined with mammalian display to close the species affinity gap of human interleukin (IL)-13 antibody 731. This fully human antibody has not progressed as a therapeutic in part because of a 400-fold species affinity gap. Using this nonhypothesis-driven affinity maturation method, we generated multiple antibody variants with improved IL-13 affinity, including the highest affinity antibody reported to date (34 fM). Resolution of a cocrystal structure of the optimized antibody with the cynomolgus monkey (or nonhuman primate) IL-13 protein revealed that the RSS-derived mutations introduced multiple successive amino-acid substitutions resulting in a de novo formation of a π-π stacking-based protein-protein interaction between the affinity-matured antibody heavy chain and helix C on IL-13, as well as an introduction of an interface-distant residue, which enhanced the light chain-binding affinity to target. These mutations synergized binding of heavy and light chains to the target protein, resulting in a remarkably tight interaction, and providing a proof of concept for a new method of protein engineering, based on synergizing a mammalian display platform with novel RSS-mediated library generation.
Experiments in multimodality image classification and data fusion (2003)

In this paper, we report the results of some experiments on image classification and data fusion of remote sensing images, as part of ongoing efforts at the CVIP to develop a general strategy for the analysis of multimodality imaging. Statistical and Fuzzy logic approaches have been employed in these experiments. In all, six different algorithms for image classification, and an image fusion algorithm have been implemented and evaluated on common data sets. These algorithms are: (1) Supervised Parametric Bayes Classifier; (2) Non-parametric Bayesian Classifier using the Parzen density estimate; (3) Maximum a posteriori classification using the k-nearest neighbors (k-NN) approach; (4) MAP Estimation using Markov random field modeling; (5) a Fuzzy logic approach; and (6) a novel discriminate function classifier. The AMP segmentation of the regions in the image has been implemented using the Iterated Conditional Mode (ICM) optimization method. This approach provided the best results, in terms of the minimum probability of error and best reliability. A novel decision fusion algorithm, based on the a priori class conditional probability, has been applied to the classifiers' output.
Adaptive Uncertainty Based Iterative Robust Capon Beamformer Using Steering Vector Mismatch Estimation (2011)

To overcome the signal-to-interference-and-noise ratio (SINR) performance degradation in the presence of large steering vector mismatches, we propose an iterative robust Capon beamformer (IRCB) with adaptive uncertainty level. The approach iteratively estimates the actual steering vector (SV) based on conventional robust Capon beamformer (RCB) formulation that uses an uncertainty sphere to model the mismatch between the actual and presumed SV. At each iteration, the adaptive uncertainty algorithm self-adjusts the uncertainty sphere according to the estimated mismatch SV. This estimation is derived based on the geometrical interpretation of the mismatch and can be expressed as a simple closed-form expression as a function of the presumed SV and the signal-subspace projection. The other variant of the proposed algorithm that uses a flat ellipsoid to model the mismatch is also proposed. Simulation results show that the proposed approaches offer better interference suppression capability and achieve higher output SINR, as compared to other diagonal-loading-based approaches.
Aticaprant (Clinically Developed Kappa-Opioid Receptor Antagonist) Combined With Naltrexone Prevents Alcohol “Relapse” Drinking (2020)

Alcohol relapse is the treatment target for medications development for alcohol dependence. Aticaprant, a selective and short-acting kappa-opioid receptor (KOR) antagonist, has recently been under development for new clinical implications (depression or anhedonia). Recent studies have also found that aticaprant reduces alcohol intake and prevents stress- triggered alcohol seeking in rodents via a KOR-mediated mechanism. Here, we further investigated whether aticaprant alone or in combination with naltrexone (mu-opioid receptor [MOR] antagonist) altered alcohol relapse-like drinking using a mouse alcohol deprivation effect (ADE) paradigm to mimic the relapse episodes in human alcoholics. A long-acting and selective KOR antagonist nor-BNI was used as a reference compound for the effects of the KOR antagonism on the ADE. After 3-week intermittent-access alcohol drinking (two-bottle choice, 24-h access every other day), male and female mice displayed excessive alcohol intake and then pronounced ADE after 1-week abstinence. Aticaprant alone decreased alcohol ADE in a dose- dependent manner (1-3 mg/kg) in both males and females. Aticaprant at a lower dose (0.3 mg/kg) than the effective one (3 mg/kg) combined with a low dose of naltrexone (1 mg/kg) reduced the ADE in both sexes, and the combination was effective after a multi-dosing regimen (5 daily injections during the abstinence) without development of tolerance, suggesting synergistic effects of the combination. In contrast, nor-BNI alone or with naltrexone had no effect on the ADE in either sex. Our present study suggests that a combination of clinically developed, short-acting KOR antagonist aticaprant with low-dose naltrexone has therapeutic potential in alcohol "relapse" treatment.
High-Quality Self-Embedding For Jpeg-Compressed Digital Images (2013)

Publication in the conference proceedings of EUSIPCO, Marrakech, Morocco, 2013
An Eventful Synthetic Approach Towards the Biologically Potent Natural Product Ottelione A: Enantio-, Regio- and Stereoselective Construction of the Bicyclic Core (2000)

A novel synthetic approach towards the recently reported anti-tumor and anti-tuberculor natural product ottelione A from the readily available Diels-Alder adduct of cyclopentadiene and p-benzoquinone is delineated. Our short strategy, besides being enantio-, regio- and stereoselective, charts an eventful course and is inherently well-suited for adaptation towards diverse synthetic analogues of this biologically potent natural product.
Structural Phase Transition from Rhombohedral (R3m) to Monoclinic (C2/m) Symmetry in Lithium Overstoichiometric Li1+δCo1−δO2−δ (2013)

Stoichiometric lithium cobalt oxide LiCoO2 is known to exhibit several structural phase transitions with x in LixCoO2 at ambient temperature (T); e.g., an initial rhombohedral (R3̅m) phase transforms into a monoclinic (C2/m) phase at x ∼ 0.5. In contrast, lithium overstoichiometric (Li)3b[LiδCo1−δ]3aO2−δ with δ ≥ ∼0.02, where δ is the Li+ ions at the 3a (Co) site, maintains the R3̅m symmetry until x ∼ 0.5 in Lix(LiδCo1−δ)O2−δ at ambient T, and this is the reason why such material has been widely used in commercial lithium ion batteries. We performed X-ray diffraction measurements in the T range between 100 and 300 K for the lithium overstoichiometric Lix(Li0.02Co0.98)O1.98 samples with x = 1, 0.56, and 0.51 to understand the factors that govern the structural changes in Lix(LiδCo1−δ)O2−δ with δ ≥ 0. Both x = 0.56 and 0.51 samples exhibit a structural phase transition from the high-T R3̅m phase to the low-T C2/m phase at 250 K (=Ts1). Furthermore, these samples indicate another structural phase transition at 170 K (=Ts2); although their crystal structures still have the C2/m symmetry, the degree of monoclinic distortion starts to decrease below Ts2, associated with a magnetic anomaly and a freezing of the Li+ ions at the 3b site. Because the two structural phase transitions of Ts1 (=330 K) and Ts2 (=150 K) are also observed for the stoichiometric LixCoO2 compound with x ∼ 0.5, the C2/m phase in Lix(LiδCo1−δ)O2−δ is found to appear in the limited x and T ranges. The characteristics and possible origin of Ts1 and Ts2 for both stoichiometric LixCoO2 and lithium overstoichiometric Lix(Li0.02Co0.98)O1.98 samples are discussed.
Long-range, high bit-rate secure key distribution link utilizing Raman Ultra-long fiber laser (UFL) (2013)

Summary form only given. The distribution of the secret key is the weakest link of many data encryption systems. Quantum key distribution (QKD) schemes provide attractive solutions [1], however their implementation remains challenging and their range and bit-rate are limited. Moreover, practical QKD systems, employ real-life components and are, therefore, vulnerable to diverse attack schemes [2]. Ultra-Long fiber lasers (UFLs) have been drawing much attention recently because of their fundamentally different properties compared to conventional lasers as well as their unique applications [3]. Here, we demonstrate a 100Bps, practically secure key distribution, over a 500km link, employing Raman gain UFL. Fig. 1(a) depicts a schematic of the UFL system. Each user has an identical set of two wavelength selective mirrors centered at l <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> and l <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1</sub> . In order to exchange a key-bit, each user independently choose one of these mirrors and introduces it as a laser reflector at their end. If both users choose identical mirrors, a clear signal develops and the bits in these cases are discarded. However if they choose complementary mirrors, (1, 0 or 0, 1 states), the UFL remains below lasing threshold and no signal evolves. In these cases, an eavesdropper can only detect noise and is unable to determine the mirror choice of the users, where the choice of mirrors represent a single key bit (e.g. Alice's choice of mirror is the key-bit). These bits are kept and added to the key. The absence of signal in the secure states faxilitates fast measurements to distinguish between the non-secure and the secure states and to determine the key-bit in the later case, Sequentially reapeating the single bit exchange protocol generate the entire keys of any desirable length.
High-gain microwave GaN HEMTs with source-terminated field-plates (2005)

GaN HEMTs with field-plates connected to the source terminal have been developed for high-gain, high-voltage operation at microwave frequencies. Due to the reduced feedback capacitance compared to the gate-terminated field-plate structures, improvement in large-signal gain of 5-7 dB is obtained. Superior performance including 21-dB associated gain, 20-W/mm output power and 60% power-added-efficiency at 4 GHz and 118V bias, is achieved simultaneously. This translates to an extremely high voltage-frequency-gain product approaching 10 kV-GHz.
Human Telomerase RNA Expression and MIB-1 (Ki-67) Proliferation Index Distinguish Hemangioblastomas From Metastatic Renal Cell Carcinomas (1998)

No AccessJournal of UrologyUrological Survey: Abstracts: Renal Tumors, Retroperitoneum, Ureter, and Urinary Diversion and Reconstruction1 Nov 1998Human Telomerase RNA Expression and MIB-1 (Ki-67) Proliferation Index Distinguish Hemangioblastomas From Metastatic Renal Cell Carcinomas D.F. Brown, A.F. Gazdar, C.L. White, K. Yashima, J.W. Shay, and E.J. Rushing D.F. BrownD.F. Brown More articles by this author , A.F. GazdarA.F. Gazdar More articles by this author , C.L. WhiteC.L. White More articles by this author , K. YashimaK. Yashima More articles by this author , J.W. ShayJ.W. Shay More articles by this author , and E.J. RushingE.J. Rushing More articles by this author View All Author Informationhttps://doi.org/10.1016/S0022-5347(01)62490-XAboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail "Human Telomerase RNA Expression and MIB-1 (Ki-67) Proliferation Index Distinguish Hemangioblastomas From Metastatic Renal Cell Carcinomas." The Journal of Urology, 160(5), pp. 1953–1954 Departments of Pathology, Cell Biology and Neuroscience, Neuropathology Laboratory, Hamon Centre for Therapeutic Oncology Research, University of Texas Southwestern Medical School, Dallas, Texas© 1998 by American Urological Association, Inc.FiguresReferencesRelatedDetails Volume 160Issue 5November 1998Page: 1953-1954 Advertisement Copyright & Permissions© 1998 by American Urological Association, Inc.MetricsAuthor Information D.F. Brown More articles by this author A.F. Gazdar More articles by this author C.L. White More articles by this author K. Yashima More articles by this author J.W. Shay More articles by this author E.J. Rushing More articles by this author Expand All Advertisement PDF downloadLoading ...