gebhart/patrepeval huggingface dataset:
Le potentiel d'oxydoréduction et sa prise en compte dans les procédés d'utilisation des bactéries lactiques (2002)

Le potentiel d'oxydoreduction (Eh) est un parametre intrinseque a tout milieu biologique. Il peut intervenir a differents niveaux sur la cellule microbienne : expression des genes, metabolisme, physiologie et donc modifier potentiellement son aptitude a la croissance et a la production de molecules participant aux caracteristiques finales des produits fermentes. En fonction des types de produits, il existerait un Eh optimal pour le developpement des flores et d'une balance aromatique equilibree. Il apparait donc important de definir des criteres de mesure des aptitudes reductrices des differentes souches de bacteries utilisees en industrie. Ce type de demarche a permis de differencier les potentialites de bacteries lactiques et de ferments commerciaux.
Integrated one- and two-photon imaging platform reveals clonal expansion as a major driver of mutation load (2008)

The clonal expansion of mutant cells is hypothesized to be an important first step in cancer formation. To understand the earliest stages of tumorigenesis, a method to identify and analyze clonal expansion is needed. We have previously described transgenic Fluorescent Yellow Direct Repeat (FYDR) mice in which cells that have undergone sequence rearrangements (via homologous recombination events) express a fluorescent protein, enabling fluorescent labeling of phenotypically normal cells. Here, we develop an integrated one- and two-photon imaging platform that spans four orders of magnitude to permit rapid quantification of clonal expansion in the FYDR pancreas in situ. Results show that as mice age there is a significant increase in the number of cells within fluorescent cell clusters, indicating that pancreatic cells can clonally expand with age. Importantly, >90% of fluorescent cells in aged mice result from clonal expansion, rather than de novo sequence rearrangements at the FYDR locus. The spontaneous frequency of sequence rearrangements at the FYDR locus is on par with that of other classes of mutational events. Therefore, we conclude that clonal expansion is one of the most important mechanisms for increasing the burden of mutant cells in the mouse pancreas.
One-Step Synthesis of CuxOy/TiO2 Photocatalysts by Laser Pyrolysis for Selective Ethylene Production from Propionic Acid Degradation (2023)

In an effort to produce alkenes in an energy-saving way, this study presents for the first time a photocatalytic process that allows for the obtention of ethylene with high selectivity from propionic acid (PA) degradation. To this end, TiO<sub>2</sub> nanoparticles (NPs) modified with copper oxides (Cu<sub>x</sub>O<sub>y</sub>/TiO<sub>2</sub>) were synthetised via laser pyrolysis. The atmosphere of synthesis (He or Ar) strongly affects the morphology of photocatalysts and therefore their selectivity towards hydrocarbons (C<sub>2</sub>H<sub>4</sub>, C<sub>2</sub>H<sub>6</sub>, C<sub>4</sub>H<sub>10</sub>) and H<sub>2</sub> products. Specifically, Cu<sub>x</sub>O<sub>y</sub>/TiO<sub>2</sub> elaborated under He environment presents highly dispersed copper species and favours the production of C<sub>2</sub>H<sub>6</sub> and H<sub>2</sub>. On the contrary, Cu<sub>x</sub>O<sub>y</sub>/TiO<sub>2</sub> synthetised under Ar involves copper oxides organised into distinct NPs of ~2 nm diameter and promotes C<sub>2</sub>H<sub>4</sub> as the major hydrocarbon product, with selectivity, i.e., C<sub>2</sub>H<sub>4</sub>/CO<sub>2</sub> as high as 85% versus 1% obtained with pure TiO<sub>2</sub>.
Development of Robot for Fracture Reduction of Femur (2003)

下肢骨折整復手術では, 下肢牽引負担やX線被爆が問題であり, 一層の整復精度が求められる。そのため, 下肢骨折整復を支援するロボットを開発した。ハードウエア構成, 制御システム, 術者パワーアシスト機能, 並びに上位ナビゲーションとの通信仕様について述べる。
Open-packet analyser platform for wireless sensor networks based on IEEE 802.15.4 (2011)

Wireless sensor networks consist of dozens of tiny constrained devices, which transfer data encapsulated into the packets over the air. It is crucial to have a packet analyser at the hand for real development and debug purposes. This article gives an overview of the available tools for packet analysis and ongoing research focused on open packet analyser development. We proposed two platforms one with Ethernet and second one with a serial interface. The latter has been evaluated. The results show that the analyser is able to work with the maximum throughput for IEEE 802.15.4.
Cell-free layer measurements ofin vitroblood flow in a microfluidic network: an automatic and manual approach (2017)

In microcirculation, the cell-free layer (CFL) is a well-known physiological phenomenon that plays an important role in reducing the flow resistance and in balancing nitric oxide (NO) production by endothelial cells and NO scavenging by red blood cells. To better understand this phenomenon, several blood flow studies have been performed in simple geometries at both in vivo and in vitro environments. However, to date little information is available regarding the effects imposed by a complex branching network on the CFL. The present study shows the CFL layer variation at a microchannel network. The images were captured using a high-speed video microscopy system and the thickness of the CFL was measured using both manual and automatic image analysis techniques. Using this methodology, it was possible to visualise the in vitro blood flowing through the network and to identify several flow phenomena that happen in microcirculation. Overall, the results have shown that the concentration of cells and the geometrical configuration of the network have a major impact on the CFL thickness. In particular, the thickness of the CFL decreases as the fluid flows through a microchannel network composed with successive smaller channels. It was also clear that, for the full length of the network, the CFL thickness tends to decrease with the increase of the concentration of cells. The automatic method developed becomes inaccurate for high haematocrit and needs be calibrated by manual methods for Hcts bigger than 10%. The results obtained from this study could help the development and validation of multiscale numerical models able to take into account the CFL for simulating microvascular blood flow.
Quantitative Assessment of Left Ventricular Size and Function (2006)

CCT provides highly reproducible measurements of left ventricular volumes, which are significantly larger than CMR values. RT3DE measurements compared more favorably with the CMR reference, albeit with higher variability.
Living in a Food Desert Increases Wound Complication Risk after Colorectal Surgery (2021)

Smith, Eric JT. BA; Matthay, Ellicott PhD; Matthay, Zachary MD; Seligman, Hilary MD; Wick, Elizabeth C. MD, FACS; Finlayson, Emily VA. MD, FACS; Iannuzzi, James C. MD Author Information
Abstract 19221: Developing a Clinical Predication Model for 1-Year Health Status Outcomes in Peripheral Arterial Disease: Insights From the PORTRAIT Registry (2017)

Introduction: Patients with peripheral arterial disease (PAD) have different therapeutic options, but it is unknown how their personal characteristics and different treatments might impact their he...
Development of new silica aerogel for the RICH radiator of the super belle detector (2005)

Currently, we are working on the program of the Belle detector upgrade, and the Cherenkov ring imaging counter with silica aerogel radiator (aerogel-RICH) is the most promising candidate for the particle identification device (PID) at the endcap section of the BELLE detector, where a threshold-type aerogel Cherenkov counter is occupied at present, in order to further expand pi-K separation capabilities at higher momentum region. Refractive index of silica aerogel should be around /spl sim/1.05 to match our PID requirement and must possess high optical transparency. Based upon our experience, new production technique has been developed to make high transparent aerogels with hydrophobicity. In this method, new chemical solvent, DMF (di-methyl formamide), is introduced and various conditions such as a mixing ratio of solvent as well as catalyst are optimized. As a result, aerogels with transmission length longer than 40 mm at 400 nm wavelength are successfully obtained. The optical quality is also confirmed in a series of beam tests, and we have observed Cherenkov photon yields significantly increased. We also produced multi-layer aerogels, where two layers with different refractive index are stacked as one sample. This can be used as a radiator to increase Cherenkov photons without stacking radiators by focusing Cherenkov photons. In this talk, details of the aerogel production method are described and high optical performance is also demonstrated.
Oxidative Dehydrogenation of Propane on Magnesium Vanadates in the Presence of Tetrachloromethane (2002)

Abstract The oxidative dehydrogenation of propane to propene on active catalysts such as magnesium vanadates (MgV2O6, Mg2V2O7, and Mg3V2O8) has been investigated in the presence and absence of tetrachloromethane (TCM) at 723 K. The introduction of a small amount of TCM into the feedstream did not influence the selectivity to propene while the conversion of propane was improved on those catalysts. The conversion was enhanced by approximately twice on Mg2V2O7 upon addition of TCM. It has been shown that the effects of TCM on lattice oxygen in those catalysts mainly control the enhancement. The formation of an excess amount of the chlorinated species on the surface of the catalysts resulted in a decrease of the conversion.
Incorporation of a pyrrolidinium-based ionic liquid/MIL-101(Cr) composite into Pebax sets a new benchmark for CO2/N2 selectivity (2023)

Mixed matrix membranes (MMMs) offer a broad potential for energy efficient removal of CO2 from flue gas and natural gas. In this study, we synthesized a novel ionic liquid (IL)/metal organic framework (MOF) composite, [MPPyr][DCA]/MIL-101(Cr), where [MPPyr][DCA] is 1-methyl-1-propyl pyrrolidinium dicyanamide, and incorporated it as a filler into Pebax to fabricate IL/MOF/polymer MMMs. The superior solubility of CO2 in the [MPPyr][DCA] and the strong interactions between IL and CO2 molecules boost the CO2 selectivity of the membrane over N2 and CH4. The results showed that CO2 permeability of the MMM having 15 wt.% [MPPyr][DCA]/MIL-101(Cr) composite as the filler (148 Barrer) was similar to that of pure Pebax membrane (134 Barrer), while the ideal CO2/N2 selectivity (1347) and ideal CO2/CH4 selectivity (1 2 2) of the MMM were 45- and 10-times higher compared to the selectivities of pure Pebax membrane, respectively. To the best of our knowledge, the remarkable enhancement in the CO2/N2 selectivity of the MMM sets a new benchmark value for the IL/MOF/polymer MMMs in the literature. These results demonstrate the great potential of using [MPPyr][DCA]/MIL-101(Cr) composite as a filler for the fabrication of highly selective IL/MOF/polymer MMMs for CO2/N2 and CO2/CH4 separations.
Evaluation of 16S rRNA gene PCR with primers Hp1 and Hp2 for detection of Helicobacter pylori (1996)

The PCR primer set Hp1-Hp2, which amplifies a 109-bp fragment of the 16S rRNA gene of Helicobacter pylori, has been widely used for the detection of H. pylori in clinical specimens. We have examined 34 stool samples and 50 human tissue samples from H. pylori-infected and uninfected patients, five human leukocyte samples, and one human cell line by this PCR method. All of these specimens produced a 109-bp PCR product. When Escherichia coli DNA was used as the template, several nonspecific bands, but not the 109-bp band, were observed. No PCR products were generated when DNA samples from five different fungi were used as templates. These results indicate that this 109-bp PCR product was amplified from the human genome. The 109-bp PCR product generated from various clinical specimens also hybridized with the probe pHp, corresponding to a region internal to the PCR product of Hp1-Hp2. We conclude that the 16S rRNA gene PCR with the primer set Hp1-Hp2 is not specific and cannot be used to detect H. pylori in clinical specimens.
Road surface recognition sensor using an optical spatial filter (2002)

A road surface recognition sensor has been realized by using an optical spatial filter. The sensor transforms a road surface image into spatial frequency spectra. Frequency distribution depends on the road surface type. Ground velocity is shown by a filtered moving image. Experimental results show that five road surface types were recognized in cold districts. Both road surface condition and vehicle velocity can be detected by a noncontact sensor; therefore, the sensor is useful for active safety systems.
Evaluation of the puppet theater based on inclusive design method (2012)

In this study, we examined the feature of the audience participation in the progress of the story in Puppet Theater. Puppet Theater is a puppet show system developed that is designed for appreciation by hearing-impaired children. Wada et al. (2012) conducted preliminary evaluation experiments performed with 52 healthy elementary school children who were surveyed using both questionnaires and interviews. The results indicated that audience participation in the progress of the story had the effect of encouraging the audience to think about the story. It was also confirmed that, through this participation, the audience is imbued with a sense of emotional investment in the characters, which stimulates audience into immersive participation in the story.
Compact supercontinuum generation and four-wave mixing in PCF with 10 ns laser pulses (2004)

We report broad flat supercontinuum, 500-1750+ nm, using a kHz train of nanosecond Q-switched microchip laser pulses at 1064 nm or 1047 nm. The same systems exhibit strong parametric generation of FWM peaks, e.g. at 732/1945 nm or 895/1315 nm.
Defect structures and three‐body potential of the mean force for nanoparticles in a nematic host (2005)

Abstract We have investigated the defect structures and potential of mean force (PMF) of three colloidal spheres immersed in a nematic liquid crystal (for linear and equilateral‐triangular configurations), using a coarse‐grained theory for the tensor order parameter. At large separations, each sphere is surrounded by an equatorial Saturn ring defect; at short separations, the theory predicts a drastic reorganization of the disclination lines: additional disclination rings are observed in planes perpendicular to the original ones. For both types of configurations, the PMF is attractive and always greater than a pairwise sum of binary PMFs. Comparing the PMFs of linear and equilateral‐triangular configurations, we have found the triangular configuration to be more stable than the linear configuration. © 2005 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 43: 1033‐1040, 2005
Lateral Mobility of Tethered Vesicle−DNA Assemblies (2005)

Supported lipid membranes are particularly attractive for use in biochemical assays because of their resistance to nonspecific adsorption and their unique ability to host transmembrane proteins. Although ideal for use in many surface-based detection techniques, supported bilayers can make the incorporation of proteins problematic due to the steric constraints of the underlying substrate. A recently developed strategy overcomes this obstacle by tethering liposomes to supported lipid bilayers via cholesterol-tagged DNA. Due to the fluidity of the bilayer, the vesicle assemblies exhibited significant lateral mobility. The corresponding diffusion coefficients were then investigated using fluorescence recovery after photobleaching (FRAP). The diffusivity was neither sensitive to the size of the vesicles nor to the length of the DNA tether. However, changing from single cholesterol tethers to double cholesterol tethers caused a decrease in the diffusivity of the assemblies by a factor of 3. Perhaps even more notable was the fact that single cholesterol-DNA without vesicles diffused 6 times faster than the corresponding assemblies. Double cholesterol-DNA diffused 11 times faster. This discrepancy is believed to arise from the fact that each vesicle is tethered to the bilayer by multiple DNA pairs.
Über organische Katalysatoren, LXVII. Die katalatische Aktivierung des Hämins durch Histidinderivate und Histidinpeptide (1962)

Article Über organische Katalysatoren, LXVII. Die katalatische Aktivierung des Hämins durch Histidinderivate und Histidinpeptide was published on January 1, 1962 in the journal Biological Chemistry (volume 327, issue Jahresband).
Urine Iodine Measurements, Creatinine Adjustment, and Thyroid Deficiency in an Adult United States Population (2007)

Our analyses indicate that the U.S. nonpregnant adult population is iodine sufficient.
Editorial (2008)

Abstract The ever‐increasing demand for the services of wired and wireless data networks has led to network security being a prerequisite for all successful data transactions. This has accelerated research activities in academia, private sectors, and governments to respond to the challenges of providing complete solutions for secure communications and networks. Security and Communication Networks provides a distinctive global platform to explore the research advances in the communications network security from academia, industry, and governments. In this second issue, six thought provoking papers discussing various element of security research in communications and networks are presented. Copyright © 2008 John Wiley &amp; Sons, Ltd.
Application and potential of guided wave rail inspection (2002)

Three applications of guided waves for rail inspection in the railroad industry are considered: fixed sensors on rail; a guided wave rail inspection car; and a sensor-on-train system. Basic elements of guided wave analysis, reflection and transmission principles, penetration power, modes of energy induction and reception, sample experiments on air transducers, cut rail, successes to date and future directions are discussed.
Graphene-wrapped hierarchical TiO2 nanoflower composites with enhanced photocatalytic performance (2013)

Graphene-wrapped titanium dioxide nanoflower composites (G–TiO2) consisting of nanosheets and nanoparticles were synthesized using a two-step solvo/hydrothermal process. Materials were characterized using SEM, TEM, high-resolution TEM (HRTEM), XRD, Raman spectroscopy, and FTIR. Further analysis was performed using Branauer–Emmett–Teller (BET) specific surface area analysis, electrochemical impedance spectroscopy (EIS), UV-Vis spectroscopy, and diffuse reflectance UV-Vis spectroscopy. Photocatalytic activity was determined by the photo-degradation of methylene blue under UV irradiation. Results show that the TiO2 nanoflower exhibits a higher photocatalytic activity than commercial P25 by a factor of 1.49. This is attributed to the highly crystalline, hierarchical nature of the nanoflower structure, which provides improved charge transport and a reduced recombination rate of photo-generated electron–hole pairs. After wrapping with graphene, the G–TiO2 composite can further improve the photocatalytic performance by providing a planar conjugated surface for dye adsorption, by further reducing recombination through accepting electrons from TiO2, and by causing a red shift in light absorption. The highest photocatalytic performance was found using a graphene loading of 5 wt%, which outperforms commercial P25 by a factor of 3.4.
Cellular distribution of smooth muscle actins during mammalian embryogenesis: expression of the alpha-vascular but not the gamma-enteric isoform in differentiating striated myocytes. (1989)

The cellular distribution of the alpha-vascular and gamma-enteric smooth muscle actin isoforms was analyzed in rat embryos from gestational day (gd) 8 through the first neonatal week by in situ antigen localization using isoactin specific monoclonal antibodies. The alpha-vascular actin isoform was first detected on gd 10 in discrete cells lining the embryonic vasculature. By gd 14, this isoform was also present in the inner layers of mesenchymal cells condensing around the developing airways and gut. The gamma-enteric actin, however, was not detected until gd 15 when cells surrounding the developing aorta, airways, and gut labeled with the gamma-enteric-specific probe. There was continued expression of these two actin isoforms in regions of developing smooth muscle through the remainder of gestation and first neonatal week at which time their distribution coincided with that found in the adult. In addition to developing smooth muscle, the alpha-vascular actin isoform was expressed in differentiating striated muscle cells. On gd 10, there was intense labeling with the alpha-vascular specific probe in developing myocardiocytes and, within 24 h, in somitic myotomal cells. Although significant levels of this smooth muscle actin were present in striated myocytes through gd 17, by the end of the first postnatal week, alpha-vascular actin was no longer detectable in either cardiac or skeletal muscle. Thus, the normal developmental sequence of striated muscle cells includes the transient expression of the alpha-vascular smooth muscle actin isoform. In contrast, the gamma-enteric smooth muscle actin was not detected at any time in embryonic striated muscle. The differential timing of appearance and distribution of these two smooth muscle isoforms indicates that their expression is independently regulated during development.
DL-METHOXY-1,2-Propanediol as cryoprotectant for mouse zygote freezing (1991)

info:eu-repo/semantics/nonPublished
Preparative electrophoresis for space (1987)

A premise of continuous flow electrophoresis is that removal of buoyancy-induced thermal convection caused by axial and lateral temperature gradients results in ideal performance of these instruments in space. Although these gravity dependent phenomena disturb the rectilinear flow in the separation chamber when high voltage gradients or thick chambers are used, distortion of the injected sample stream due to electrohydrodynamic effects cause major broadening of the separated bands. The electrophoresis separation process is simple, however flow local to the sample filament produced by the applied electric field have not been considered. These electrohydrodynamic flows distort the sample stream and limit the separation. Also, electroosmosis and viscous flow combine to further distort the process. A moving wall concept is being proposed for space which will eliminate and control the disturbances. The moving wall entrains the fluid to move as a rigid body and produces a constant residence time for all samples distributed across the chamber thickness. The moving wall electrophoresis chamber can only be operated in space because there is no viscous flow in the chamber to stabilize against thermal convection.
Evaluation of heavy-oil mining. Final report. Volume 1 (1983)

One of the technologies being advanced on an experimental basis for recovering heavy oil reserves is oil mining. So far, little has been done in this field, particularly in the United States. Because of this situation the US Department of Energy commissioned this study to determine the technical and economic feasibility of recovering heavy oil by mining or mining-assisted methods. The project consisted of the following three tasks: (1) evaluate the heavy oil resource amenable to mine production; (2) evaluate mine technology; and (3) develop preliminary mining concepts for heavy oil resources. Volume II contains Task II and Task III. Task II presents a historical review of heavy oil projects through current and planned projects. It also details various mining methods applicable to heavy oil mining. Task III describes the development of two site-specific heavy oil mining operations. 27 figures, 49 tables.