gebhart/patrepeval huggingface dataset:
Ethanol Catabolism in <i>Corynebacterium glutamicum</i> (2007)

Corynebacterium glutamicum grows on a variety of carbohydrates and organic acids as single or combined sources of carbon and energy. Here we show the ability of C. glutamicum to grow on ethanol with growth rates up to 0.24 h(-1) and biomass yields up to 0.47 g dry weight (g ethanol)(-1). Mutants of C. glutamicum deficient in phosphotransacetylase (PTA), isocitrate lyase (ICL) and malate synthase (MS) were unable to grow on ethanol, indicating that acetate activation and the glyoxylate cycle are essential for utilization of this substrate. In accordance, the expression profile of ethanol-grown C. glutamicum cells compared to that of glucose-grown cells revealed an increased expression of genes encoding acetate kinase (AK), PTA, ICL and MS. Furthermore, the specific activities of these four enzymes as well as those of alcohol dehydrogenase (ADH) and acetaldehyde dehydrogenase (ALDH) were found to be high in ethanol-grown and low in glucose-grown cells. Growth of C. glutamicum on a mixture of glucose and ethanol led to a biphasic growth behavior, which was due to the sequential utilization of glucose before ethanol. Accordingly, the specific activities of ADH, ALDH, AK, PTA, ICL and MS in cells grown in medium containing both substrates were as low as in glucose-grown cells in the first growth phase, but increased 5- to 100-fold during the second growth phase. The results indicate that ethanol catabolism in C. glutamicum is subject to carbon source-dependent regulation, i.e., to a carbon catabolite control.
Technical strategies for massive model visualization (2008)

Interactive visualization of massive models still remains a challenging problem. This is mainly due to a combination of ever increasing model complexity with the current hardware design trend that leads to a widening gap between slow data access speed and fast data processing speed. We argue that developing efficient data access and data management techniques is key in solving the problem of interactive visualization of massive models. Particularly, we discuss visibility culling, simplification, cache-coherent layouts, and data compression techniques as efficient data management techniques that enable interactive visualization of massive models.
Scalable industrial manufacturing of DEAP (2009)

Dielectric Electro-Active Polymer (DEAP) technology has reached a level of maturity that makes it possible to fabricate
reliable devices, which can be implemented in various industrial applications. Danfoss PolyPower has established
scalable industrial manufacturing processes to enable commercialization of PolyPower film and actuators. The new
series of DEAP actuators is based on the design of core-free rolled push actuators or folded pull actuators, by rolling or
folding of long length of electro active material. The manufacturing processes involve roll-to-roll coating of elastomer
mixtures to form endless micro-structured elastomer film/web, roll-to-roll vacuum deposition (PVD) of electrode
material onto the micro-structured elastomer film, and roll-to-roll lamination and winding of tailored Pull and Push
DEAP elements, also called InLastor. The paper will describe the processing steps and the scalable pilot production set
up having capability of manufacturing kilometres of DEAP material per week.
Tunable Ka-band waveguide resonators and a small band band-pass filter based on liquid crystals (2014)

In this paper we present the design of Liquid Crystal filled waveguide resonators. Waveguide resonators achieve higher Q-factors then planar technologies, and form the basis for filters of smaller bandwidth. Two possible approaches for positioning the Liquid Crystal inside the cavity are discussed. One of this approaches is designed to fulfill the requirements for mechanical and temperature stability for space applications. Measured Q-factors and tuning ranges for both variants are presented, including the verification of electric biasing. Additionally a 3-pole bandpass filter operating at a center frequency of 20 GHz and a relative bandwidth of 1% was constructed and measured. Tunability with magnetic biasing was verified to be greater than 450 MHz.
A privacy controller approach for privacy protection in web services (2007)

The growth of the Internet has been accompanied by the growth of web services (e.g. e-commerce, e-health). This increased use of web services has meant that more and more user personal information is being shared with web service providers, leading to the need to protect the privacy of web service users, as evidenced by the enactment of privacy legislation in many jurisdictions. Existing privacy policy approaches for privacy protection, such as making the service provider's privacy policy known to the user, or the use of P3P privacy policies, are inadequate. In the former case, the user cannot know for sure whether or not the provider will honor its policy; in the latter case, there is no flexibility for the user to specify her own policy for governing her own personal information - the provider's policy is the only one offered. This paper proposes the use of privacy controllers together with user privacy policies to overcome the limitations in current privacy policy approaches. An example to illustrate the approach is also given.
Study of an electronic seal system based on elliptic curve cryptography and public-key infrastructure (2010)

In order to optimize the trade-off between performance and security of digital signature in electronic commerce; an electronic seal system based on elliptical curve cryptosystem is presented. Elliptical curve cryptosystem is adopted as it is an effective system which has the advantage of fast speed and high security. The identity-based scheme is introduced to protect the system from chosen-message attack and also identifies a forged signature at the same time. The safety of the whole system is assured by public-key infrastructure techniques. Analysis and application show that the scheme proposed in the paper has the quality of high security and high efficiency of implementation.
<title>Readout Mechanisms For Infrared Focal Plane Arrays</title> (1983)

Recently published advances in readout mechanisms for IR focal plane arrays are reviewed. Hybrid CCD multiplexer approaches, IRCCD, XY readout and SPRITE are compared. Techniques which incorporate gain reduction and DC suppression are analyzed for their potential to provide adequate dynamic range.
On the Convergence of Biogeography‐Based Optimization for Binary Problems (2014)

Biogeography‐based optimization (BBO) is an evolutionary algorithm inspired by biogeography, which is the study of the migration of species between habitats. A finite Markov chain model of BBO for binary problems was derived in earlier work, and some significant theoretical results were obtained. This paper analyzes the convergence properties of BBO on binary problems based on the previously derived BBO Markov chain model. Analysis reveals that BBO with only migration and mutation never converges to the global optimum. However, BBO with elitism, which maintains the best candidate in the population from one generation to the next, converges to the global optimum. In spite of previously published differences between genetic algorithms (GAs) and BBO, this paper shows that the convergence properties of BBO are similar to those of the canonical GA. In addition, the convergence rate estimate of BBO with elitism is obtained in this paper and is confirmed by simulations for some simple representative problems.
Reducing Harmonic Distortion on Vibrators - Stiffening the Vibrator Baseplate (2008)

Due to non-linear effects, the ground-force signal transmitted into the subsurface by vibrators is contaminated by harmonics. The lack of ideal rigidity of the baseplate contributes to the overall harmonic content of the vibrator output. The baseplate flexure exacerbates harmonic distortion, especially the 2nd harmonic distortion. Meanwhile, the ground-force approximated by the weighted-sum method is limited to a narrow frequency bandwidth due to the low baseplate rigidity. A new baseplate design significantly increases the stiffness of the baseplate and dramatically reduces its flexure. The new baseplate is 2.5 times stiffer than the standard baseplate while only suffering a 5% increase to its weight. Field testing demonstrates that with the new baseplate the validity of the weighted-sum ground force in a frequency range up to 160 Hz is achieved. Meantime, the suppression of the even order harmonics contained in the ground force is observed. Very significant harmonic distortion reduction is achieved as the vibrator is on hard and/or uneven ground.
Black-blood native T<sub>1</sub> mapping: Blood signal suppression for reduced partial voluming in the myocardium (2016)

Black-blood SAPPHIRE successfully eliminates partial voluming at the blood pool in native myocardial T<sub>1</sub> mapping while providing accurate T<sub>1</sub> times, albeit at a reduced precision. Magn Reson Med 78:484-493, 2017. © 2016 International Society for Magnetic Resonance in Medicine.
Vasohibin‐2 is required for epithelial–mesenchymal transition of ovarian cancer cells by modulating transforming growth factor‐β signaling (2017)

Vasohibin-2 (VASH2) is a homolog of VASH1, an endothelium-derived angiogenesis inhibitor. Vasohibin-2 is mainly expressed in cancer cells, and has been implicated in the progression of cancer by inducing angiogenesis and tumor growth. Although VASH2 has been recently reported to be involved in epithelial-mesenchymal transition (EMT), its precise roles are obscure. The aim of the present study was to clarify the role of VASH2 in the EMT of cancer cells in relation to transforming growth factor-β (TGF-β) signaling, which is a major stimulator of EMT. Decreased expression of VASH2 in ovarian cancer cells significantly repressed the expression of TGF-β type I receptor, namely activin receptor-like kinase 5. Transforming growth factor-β1-induced phosphorylation of Smad2 and Smad3 was markedly decreased in VASH2 knockdown cells while the expression of Smad2 and Smad3 was unchanged. Accordingly, the responses to TGF-β1 shown by promoter assay and plasminogen activator inhibitor type 1 expression were significantly attenuated in VASH2 knockdown cells. Furthermore, knockdown of VASH2 in cancer cells abrogated the TGF-β1-induced reduced expression of epithelial markers including E-cadherin, and the elevated expression of mesenchymal markers including fibronectin, ZEB2, and Snail2, suggesting that endogenous VASH2 is required for TGF-β1-induced EMT. In accordance with these results, the effects of TGF-β1 on cell morphology, migration, invasion, and MMP2 expression were also abrogated when VASH2 was knocked down. These results indicate that VASH2 played a significant role in the EMT by modulating the TGF-β signaling. We propose that VASH2 would be a novel molecular target for the prevention of EMT in cancers.
The missing voice of the nurse-parent: A literature review (2015)

Aims: To increase our understanding of nurse-parents' experiences when their child is hospitalised with an acute illness. Background: The hospitalisation of a child is a stressful event for many parents. Parents who are also nurses (nurse-parents) may face additional challenges due to their nursing background and knowledge. Methods: Sixteen articles, including 14 qualitative studies and two mixed-methods studies, were reviewed. Results: No studies of nurse-parent experiences were identified. A review of the experiences of nurses as recipients of health care, and general-public parents with a hospitalised child was therefore undertaken to provide an insight into the potential experiences of nurse-parents. Conclusion: Nurse-parents' experiences may be complicated by a number of challenges not faced by general-public parents; including dual role conflicts, and amplified social, emotional and psychological difficulties. Implications for clinical practice Health care professionals need to consider the specific challenges that may be faced by nurse-parents to provide effective and supportive care. Research into this client group is therefore needed to enable an enhanced understanding of their particular needs.
PERTE DE LA FLEXION DU COUDE: TRAITEMENT PAR L'OPÉRATION DR CLARK- SEDDON. By François Pichat, aide d'anatomie à la Faculté de Lyon. 9½ x 6¼ in. Pp. 63, with 4 figures. 1954. Lyon: Bosc Frères. Copies not for sale; obtainable from the author on request (1955)

PERTE DE LA FLEXION DU COUDE: TRAITEMENT PAR L'OPÉRATION DR CLARK- SEDDON. By François Pichat, aide d'anatomie à la Faculté de Lyon. 9½ x 6¼ in. Pp. 63, with 4 figures. 1954. Lyon: Bosc Frères. Copies not for sale; obtainable from the author on request
A Descriptive and Illustrated Guide for Type Placement on Small Scale Maps (2000)

One of the essential ingredients in any map is the lettering. Just as point, line and area symbols are designed to depict various geographic features, lettering, also referred to as labels, type, text, etc., is used as symbols to make various features. Selecting an appropriate style and size for map lettering (Shortridge, 1979) is equally important to efficient cartographic communication as the placement of map lettering. This paper provides an extensive, descriptive rationale and a graphic solution for the many difficult problems associated with map lettering placement that are not treated specifically in Imhof's (1975) landmark article.
A communication efficiency evaluation of multi-agents with short-term memory (2002)

In a multi-agent system, problems are solved by the agents' cooperation, so communication among agents is very important and indispensable. Especially, the reliability of the communicated information is important. In this paper, a model consisting of many agents is introduced. Although in the model each agent has a limited ability and performs only its own duties, they cooperatively accomplish their group's aim. From the results of the simulations on the model, the authors evaluate the method of dealing with information which includes some errors.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Angiogenic capacity of endothelial cells in islets of Langerhans (2003)

Transplantation of pancreatic islets reconstitutes glucose homeostasis in diabetes mellitus. Before transplantation, islets are disrupted from the surrounding blood vessels by the isolation procedure, with the grafted tissue being subject to ischemic damage. The survival of transplanted islets is assumed to depend on effective revascularization. Perfusion studies suggest that newly formed microvessels supplying the graft with nutrients are exclusively rebuilt by the host. It is generally not known whether isolated islets contain endothelial cells (EC), which potentially participate in the revascularization process. Therefore, we tried to detect immature EC in isolated islets by transformation with polyoma middle T antigen. Endothelioma cells were generated, implicating the presence of de-differentiated EC within isolated islets. When embedded in a fibrin gel, the islets developed cellular cords consisting of EC, whereas FGF-2 and VEGF stimulated the formation of cord-like structures. Furthermore, we studied the presence of donor EC in islet grafts by using transgenic mice with an EC lineage-specific promotor-LacZ reporter construct (Tie-2LacZ). Following islet transplantation, Tie-2LacZ-positive EC of both donor and recipient were identified in the vicinity of or within the graft up to 3 wk after transplantation. In conclusion, EC and/or their progenitors with angiogenic capacity reside within isolated islets of different species, and their proliferative potential can be stimulated by various inducers. These graft-related endothelia persist after islet transplantation and are integrated within newly formed microvessels.
<title>CGH disperser model for a tunable snapshot imaging spectrometer</title> (2002)

We have constructed a computed-tomography imaging spectrometer (CTIS) that uses two crossed phase-only computer generated holograms (CGH) as the dispersing elements. This imaging spectrometer collects the multiplexed spatial and spectral data simultaneously and can be used for flash spectral imaging. Previous CTIS instruments require a single CGH dispersing elements which were designed with the freedom of adjusting each element in the cell profile independently during the design process. The CHGs for this instrument are designed as identical crossed gratings to model the design parameters of a crossed 1D addressable liquid crystal spatial light modulator. Future integration of a liquid crystal spatial light modulator allows for the possibility of optical preprocessing of tomographic images. The CGH disperser pair has been designed to maintain nearly equal spectral diffraction efficiency among a 5x5 array of diffraction orders and to minimize the diffraction efficiency into higher orders. Reconstruction of the (x,y,(lambda) ) image cube from the raw, two-dimensional data is achieved by computed-tomography techniques.
Ionic conductivity in solid, crosslinked dimethylsiloxane-ethylene oxide copolymer networks containing sodium (1986)

The preparation of an ion-conducting elastomeric solid based on a dimethylsiloxane-ethylene oxide copolymer complexed with a sodium salt is described. 23Na nuclear magnetic resonance measurements reveal the presence of both bound and mobile sodium species throughout the temperature range −120 to 100 °C. Electrical conductivity measurements over a similar temperature range are found to be consistent with the configurational entropy model for transport, with a T0 parameter about 50 °C below the ‘‘central’’ glass transition temperature Tg.
Plenoptic cameras in surgical robotics: Calibration, registration, and evaluation (2016)

Three-dimensional sensing of changing surgical scenes would improve the function of surgical robots. This paper explores the requirements and utility of a new type of depth sensor, the plenoptic camera, for surgical robots. We present a metric calibration procedure for the plenoptic camera and the registration of its coordinate frame to the robot (hand-eye calibration). We also demonstrate the utility in robotic needle insertion and application of sutures in phantoms. The metric calibration accuracy is reported as 1.14 ± 0.80 mm for the plenoptic camera and 1.57 ± 0.90 mm for hand-eye calibration. The accuracy of needle insertion task is 1.79 ± 0.35 mm for the entire robotic system. Additionally, the accuracy of suture placement with the presented system is reported at 1.80 ± 0.43 mm. Finally, we report consistent suture spacing with only 0.11 mm standard deviation between inter-suture distances. The measured accuracy of less than 2 mm with consistent suture spacing is a promising result to provide repeatable leak-free suturing with a robotic tool and a plenoptic depth imager.
Response of the Cat Flea, Ctenocephalides Felis (BouchÉ), and the Oriental Rat Flea, Xenopsylla Cheopis (Rothschild), to Electromagnetic Radiation in the 300-700 Nanometer Range1, 2 (1974)

Journal Article Response of the Cat Flea, Ctenocephalides Felis (BouchÉ), and the Oriental Rat Flea, Xenopsylla Cheopis (Rothschild), to Electromagnetic Radiation in the 300-700 Nanometer Range, Get access G. E. Crum, G. E. Crum Search for other works by this author on: Oxford Academic PubMed Google Scholar F. W. Knapp, F. W. Knapp Search for other works by this author on: Oxford Academic PubMed Google Scholar G. M. White G. M. White 3Graduate Assistant, Professor, Department of Entomology; Associate Professor, Department of Agricultural Engineering, respectively, University of Kentucky, Lexington, Kentucky 40506, U.S.A. Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Medical Entomology, Volume 11, Issue 1, 28 March 1974, Pages 88–94, https://doi.org/10.1093/jmedent/11.1.88 Published: 28 March 1974
The organization of the microtubule associated protein tau in Alzheimer paired helical filaments (1993)

The structural relationship of the microtubule associated protein tau to paired helical filaments (PHF) was examined by high resolution transmission electron microscopy (TEM) without treatment with any chemical fixatives. Neurofibrillary tangles (NFT) were isolated in the absence of detergent from Alzheimer diseased brains, were freeze-dried, and were vertically platinum-carbon replicated for TEM. The PHF we observed made one helical turn (L) in 74 +/- 8.5 nm and had a wide region (W) of 14.8 +/- 0.6 nm similar to PHF previously modeled with a periodic morphology. The PHF thin region (T) measured approximately 2.4 nm, approximately 4.9 nm, approximately 7.4 nm and approximately 9.7 nm and the most often observed width was approximately 2.4 nm. No surface features regularly divide the PHF into two filaments. Morphologically the PHF are thin helical ribbons with an often observed thickness of approximately 2.4 nm. At high magnification, approximately 1.0 nm and some approximately 0.4 nm strands identical to normal and denatured tau monomer covered PHF surfaces and were aggregated in non-periodic fashion. Bovine tau polymer approximately 2.1 nm diameter filaments, trapped on a filter, were partially heat denatured and showed some of the morphological features of PHF.
Automatic Deactivation In Phased Array Probe For Human Prostate Magnetic Resonance Imaging At 1.5T (2007)

A four element prototype phased array surface probe has been designed and constructed to improve clinical human prostate spectroscopic data. The probe consists of two pairs of adjacent rectangular coils with an optimum overlap to reduce the mutual inductance. The two pairs are positioned on the anterior and the posterior pelvic region and two couples of varactors at the input of each coil undertake the procedures of tuning and matching. The probe switches off and on automatically during the consecutive phases of the MR experiment with the use of an analog switch that is triggered by a microcontroller. Experimental tests that were carried out resulted in high levels of tuning accuracy. Also, the switching mechanism functions properly for various applied loads and pulse sequence characteristics, producing only 10 μs of latency.
An efficient synchronization mechanism for mirrored game architectures (2002)

Existing online multiplayer games typically use a client-server model, which introduces a single bottleneck and point of failure to the game. Distributed multiplayer games remove the bottleneck, but require special synchronization mechanisms to provide a consistent game for all players. Current synchronization methods have been borrowed from distributed military simulations and are not optimized for the requirements of fast-paced multiplayer games. In this paper we present a new synchronization mechanism, trailing state synchronization (TSS), which is designed around the requirements of distributed first-person shooter games.We look at TSS in the environment of a mirrored game architecture, which is a hybrid between traditional centralized architectures and the more scalable peer-to-peer architectures. Mirrored architectures allow for improved performance compared to client-server architectures while at the same time allowing for a greater degree of centralized administration than peer-to-peer architectures.