gebhart/patrepeval huggingface dataset:
Uranium Immobilization by Hydrogen Sulfide Gaseous Treatment under Vadose Zone Conditions (2007)

Mobility of hexavalent uranium [U(VI)] in H 2 S‐treated soils was investigated using laboratory column experiments to assess the potential of applying in situ gaseous reduction for U immobilization in the vadose zone. Soil from the Hanford Formation in the U.S. Department of Energy Hanford Site, Washington, was used in this study. The impact of water chemistry and soil treatment on U(VI) immobilization and the role of gas humidity on soil treatment were investigated. The study revealed that soil uptake of U(VI) from deionized water was much higher than that from the simulated Hanford groundwater. Nevertheless, gas‐treated soil was still shown to have the potential for immobilizing U(VI) from the simulated groundwater. In addition, changes in H 2 S column breakthrough indicated that humidity enhanced the reduction of soil Fe. In the first 20 pore volumes, the soil treated with moisturized H 2 S gas can effectively immobilize >80% of the mobile U(VI). Primary mechanisms for U immobilization included U(VI) sorption to the sediments, reduction of U(VI) to insoluble U(IV), and enhanced adsorption of U(VI) to newly formed Fe oxides. Remobilization of U following reoxidation of the sediment was relatively insignificant under the experimental conditions applied, apparently owing to the enhanced adsorption of U to poorly crystallized hydrous ferric oxide products.
The membrane light modulator and its application in optical computerst (1969)

An optical spatial phase modulator consisting of a thin polymer membrane mirror applied over a compartmented sub-structure has been devised for use as an input transducer for coherent optical computers. This device is called the ' membrane light modulator' or MLM. Membrane elements are 10 to 50 microns in diameter, have a sub-microsecond response time, and require only 10 picojoules per element to produce a full 360 ° phase reversal in reflection. An array of approximately 2000 elements is described having an active area of 4 by 4 mm. This MLM has been used as an input transducer for a coherent optical computer which takes one-dimensional Fourier transforms. The membrane light modulator (MLM) is a new solid state device for use in coherent optical computers. Many workers have mentioned the enormous parallel data processing capacity of laser illuminated lens systems, where on the order of 101 6 bits per second could be transferred from input to output per watt of illumination. Mankind has not even begun to take advantage of this data processing capability due to an inability to impress sufficiently high frequency signals on the photon flux. The membrane modulator is a first step in the direction of making it possible to achieve a high data processing rate optically by means of parallel processing. This modulator is a spatial light modulator which modulates light in reflection. By ' spatial' it is meant that the optical modulation differs from point to point across the surface of the MLM.
Leukemia in twins: lessons in natural history (2003)

Identical infant twins with concordant leukemia were first described in 1882, and since that time many such pairs of infants and older children have been described. It has long been recognized that this situation offers a unique opportunity to identify aspects of the developmental timing, natural history, and molecular genetics of pediatric leukemia in general. We reviewed both the older literature and more recent molecular biologic studies that have uncovered the basis of concordance of leukemia. Molecular markers of clonality, including unique, genomic fusion gene sequences, have provided unequivocal evidence that twin pairs of leukemia have a common clonal origin. The only plausible basis for this, first suggested more than 40 years ago, is that following initiation of leukemia in one twin fetus, clonal progeny spread to the co-twin via vascular anastomoses within a single, monochorionic placenta. This explanation has been endorsed by the identification of clonotypic gene fusion sequences in archived neonatal blood spots of individuals who subsequently developed leukemia. These analyses of twin leukemias have thrown considerable light on the natural history of disease. They reveal a frequent prenatal origin and an early or initiating role for chromosome translocations. Further, they provide evidence for a variable and often protracted latency and the need, in childhood acute lymphoblastic leukemia (ALL)/acute myeloblastic leukemia (AML), for further postnatal exposures and/or genetic events to produce clinical disease. We argue that these insights provide a very useful framework for attempts to understand etiologic mechanisms.
Octamethylcalix[4]arene (1989)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOctamethylcalix[4]areneEti Dahan and Silvio E. BialiCite this: J. Org. Chem. 1989, 54, 26, 6003–6004Publication Date (Print):December 1, 1989Publication History Published online1 May 2002Published inissue 1 December 1989https://doi.org/10.1021/jo00287a002RIGHTS & PERMISSIONSArticle Views100Altmetric-Citations9LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InReddit PDF (290 KB) Get e-AlertsSupporting Info (1)»Supporting Information Supporting Information Get e-Alerts
Trends in Municipal Reporting (1938)

Journal Article TRENDS IN MUNICIPAL REPORTING Get access HERBRET A. SIMON, HERBRET A. SIMON The authors are associated with the lnternational City Managers Association in Chicago Search for other works by this author on: Oxford Academic Google Scholar CLARENCE E. RIDLEY CLARENCE E. RIDLEY The authors are associated with the lnternational City Managers Association in Chicago Search for other works by this author on: Oxford Academic Google Scholar Public Opinion Quarterly, Volume 2, Issue 3, July 1938, Pages 465–468, https://doi.org/10.1086/265213 Published: 01 July 1938
Deformation of Red Blood Cells, Air Bubbles, and Droplets in Microfluidic Devices: Flow Visualizations and Measurements (2018)

Techniques, such as micropipette aspiration and optical tweezers, are widely used to measure cell mechanical properties, but are generally labor-intensive and time-consuming, typically involving a difficult process of manipulation. In the past two decades, a large number of microfluidic devices have been developed due to the advantages they offer over other techniques, including transparency for direct optical access, lower cost, reduced space and labor, precise control, and easy manipulation of a small volume of blood samples. This review presents recent advances in the development of microfluidic devices to evaluate the mechanical response of individual red blood cells (RBCs) and microbubbles flowing in constriction microchannels. Visualizations and measurements of the deformation of RBCs flowing through hyperbolic, smooth, and sudden-contraction microchannels were evaluated and compared. In particular, we show the potential of using hyperbolic-shaped microchannels to precisely control and assess small changes in RBC deformability in both physiological and pathological situations. Moreover, deformations of air microbubbles and droplets flowing through a microfluidic constriction were also compared with RBCs deformability.
Primary Lymphosarcoma of the Breast (1968)

THE incidence of breast sarcoma in contrast to all breast malignancies is 0.3% to 2.7%,<sup>1-8</sup>and the majority of these tumors are fibrosarcomas, with only 62 patients described as having primary lymphoma of the breast.<sup>9-38</sup>Documented reports present controversy as to the relationship of systemic lymphoma to the proper treatment of the lesion.<sup>6,9,14,32</sup>Recently, it was our experience to see a patient with lymphosarcoma of the breast, seven months postpartum followed by systemic lymphoma and death five months after diagnosis. Of the reported patients, 28 have died with systemic malignant lymphoma and others have not been followed for a sufficient period to exclude systemic lymphoma. DeCosse et al's<sup>32</sup>nine patients with five-year survivals following diagnosis and treatment are complicated by sequent lymphoma manifestations in three instances. Oberman<sup>38</sup>described a patient with five-year survival that had recurrent lymphoma four years after treatment and she has been
Well-defined phosphino-phenolate neutral nickel(<scp>ii</scp>) catalysts for efficient (co)polymerization of norbornene and ethylene (2015)

Phosphino-phenolate neutral nickel catalysts 1-3/B(C6F5)3, without the help of any organoaluminum compound, were found to be efficient catalytic systems for norbornene polymerization and its copolymerization with norbornene derivatives. The amount of B(C6F5)3 required for achieving a high efficiency (3 equiv.) was markedly lower compared to previous reports, and high molecular weight polymers were obtained (>10(6) g mol(-1)). Efficient incorporation of polar monomers NBC, NBA, and NBM was also achieved in a controllable fashion, yielding high molecular weight copolymers. Catalysts 1-3 were highly active for ethylene polymerization as single component catalysts, with an activity of up to 10(7) g molNi(-1) h(-1), and catalyst 3 was more readily initiated at lower temperature. Catalysts 1-3 were also efficient in incorporating norbornene (up to 30%) into the polyethylene backbone. Bisligated phosphino-phenolate nickel complex 4 and salicylaldimine complex 5 were also studied for comparison, which further verified the unique performance of catalysts 1-3. Preliminary NMR analyses were conducted to explore the norbornene polymerization mechanism.
Synthesis and orientation study of a magnetically aligned liquid‐crystalline chitin/poly(acrylic acid) composite (2003)

Abstract A high magnetic field of 5 T was used to fabricate a magnetically aligned, optically anisotropic, liquid‐crystalline chitin/poly(acrylic acid) composite. The aligned mesophase was fixed by photoinitiated free‐radical polymerization. From an examination of polarized optical micrographs and an X‐ray diffraction study, a high degree of orientation of 0.70 was observed for the composite with a higher liquid‐crystalline chitin concentration (10.70 wt %); the orientation was reduced with a decreased chitin concentration at a given acrylic acid concentration. The X‐ray data for the developed composite showed a uniplanar orientation for the chitin crystallites, with its molecular long axes perpendicular to the direction of the magnetic field. © 2003 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 41: 711–714, 2003
Synthesis and characterization of a new conjugated polymer containing cyano substituents for light-emitting diodes (2001)

A new luminescent conjugated polymer (CN-P3PV) containing cyano groups as electron transporting units was synthesized by a Suzuki coupling reaction. CN-P3PV was characterized by 1H NMR, FT-IR, GPC, DSC, and TGA. The synthesized polymer possessed high thermal stability (Td = 360 °C, Tg = 151 °C), high electron affinity, and good thin-film forming ability. Electrical characterization of a double-layer organic LED based on the structure of ITO/CuPc/CN-P3PV/Ca/Ag showed high electron transporting ability and good electroluminescence performance with the emission of bright orange light.
Assessment of arterial stiffness in clinical practice (2002)

TEST 02 - Elsevier's Scopus, the largest abstract and citation database of peer-reviewed literature. Search and access research from the science, technology, medicine, social sciences and arts and humanities fields.
Some properties of purified phospholipase D and especially the effect of amphipathic substances (1967)

1. The soluble phospholipase D of cabbage was purified by heat treatment, acetone precipitation and electrophoresis on a density gradient of aqueous glycerol. 2. The purified enzyme slowly attacked a lecithin suspension whereas ultrasonically treated lecithin was hydrolysed more rapidly. 3. Diethyl ether stimulated the hydrolysis of both the lecithin suspension and ultrasonically treated lecithin. 4. Ca(2+) was essential for the hydrolysis (optimum about 0.04m); it could not be replaced by Mg(2+) or cationic amphipathic substances. 5. The reaction had a sharp pH optimum at pH5.4, irrespective of the physical form of the lecithin substrate or the activator used. 6. Anionic amphipathic substances such as dodecyl sulphate, phosphatidic acid, triphosphoinositide and monocetyl phosphoric acid, were potent activators of the reaction: other acidic lipids were relatively inactive. 7. Cationic amphipathic substances inhibited the hydrolysis; however, they also reversed the inhibition caused by using an excess of anionic amphipathic substance as activator. 8. The activation produced by amphipathic substances could not be correlated with their effect on the zeta-potential or size of the substrate particles. 9. The addition of activating anionic amphipaths to lecithin induces the latter to adsorb enzyme from solution. In the absence of Ca(2+) the enzyme is denatured on the highly negatively charged surface, but in the presence of Ca(2+) (or Mg(2+)) it is protected from denaturation. It is suggested that this adsorption is an essential prerequisite for ready enzymic hydrolysis. 10. The hydrolysis of lecithin by the enzyme was strongly inhibited by protamine sulphate (0.1mg./ml.) and by choline and ethanolamine. 11. Ultrasonically treated phosphatidylethanolamine, or mixed particles of phosphatidylethanolamine plus dodecyl sulphate, were slowly attacked by the enzyme provided that Ca(2+) was present.
Quantitative proteomic analysis of single or fractionated radiation-induced proteins in human breast cancer MDA-MB-231 cells (2015)

These results suggest that a number of tumor-derived factors upregulated by γ-radiation are promising targets for modulation of the immune response during radiation treatment.
UPS interconnected with STS to improve power-supply continuity in the Gran Sasso National Laboratory (2002)

The paper deals with an unusual configuration of a power supply system developed to the aim of improving the electrical continuity level of the Gran Sasso National Laboratories of the Italian National Institute of Nuclear Physics. The proposed system concerns the external laboratories where the Data Processing Center requires very high continuity level. The continuous power supply is assured by means of two UPS having 100% redundancy. To optimize costs, the second UPS, which may usually be in stand-by, is used to feed loads requiring a secondary level of priority, such as the workstations located in the office section. In case the first UPS should be in failure, the STS (static transfer system) is able to commute in real time the second UPS to the data processing center, assuring the required electrical continuity level. In this very rare case, loads having secondary level of continuity may lose the electrical supply. The system developed has a rated power of 60 kVA and is now being thoroughly monitored to verify its performance and reliability behavior. In the paper, the new supply architecture is illustrated and commented as well as the main STS features.
Hot-carrier effects in polysilicon emitter bipolar transistors (2003)

The degradation of self-aligned, polysilicon emitter transistors is described for a wide range of constant current stress on several device sizes. The experimental results indicate that Delta I/sub B/ can be expressed as AQ/sup n/, with n=0.5 for these devices. Except for large values of I/sub R/, A varies in a power-lay fashion with I/sub R/. The dependence of Delta I/sub B/ upon the forward current at which the device is operating can be expressed as A=BJ/sup gamma //sub C/. It is observed that n is characteristic of all devices and stress currents, B is constant for a given device size, and gamma varies with device size and reverse current.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
Dissection of the Transcriptional Program Regulating Secondary Wall Biosynthesis during Wood Formation in Poplar    (2011)

Wood biomass is mainly made of secondary cell walls; hence, elucidation of the molecular mechanisms underlying the transcriptional regulation of secondary wall biosynthesis during wood formation will be instrumental to design strategies for genetic improvement of wood biomass. Here, we provide direct evidence demonstrating that the poplar (Populus trichocarpa) wood-associated NAC domain transcription factors (PtrWNDs) are master switches activating a suite of downstream transcription factors, and together, they are involved in the coordinated regulation of secondary wall biosynthesis during wood formation. We show that transgenic poplar plants with dominant repression of PtrWNDs functions exhibit a drastic reduction in secondary wall thickening in woody cells, and those with PtrWND overexpression result in ectopic deposition of secondary walls. Analysis of PtrWND2B overexpressors revealed up-regulation of the expression of a number of wood-associated transcription factors, the promoters of which were also activated by PtrWND6B and the Eucalyptus EgWND1. Transactivation analysis and electrophoretic mobility shift assay demonstrated that PtrWNDs and EgWND1 activated gene expression through direct binding to the secondary wall NAC-binding elements, which are present in the promoters of several wood-associated transcription factors and a number of genes involved in secondary wall biosynthesis and modification. The WND-regulated transcription factors PtrNAC150, PtrNAC156, PtrNAC157, PtrMYB18, PtrMYB74, PtrMYB75, PtrMYB121, PtrMYB128, PtrZF1, and PtrGATA8 were able to activate the promoter activities of the biosynthetic genes for all three major wood components. Our study has uncovered that the WND master switches together with a battery of their downstream transcription factors form a transcriptional network controlling secondary wall biosynthesis during wood formation.
Emerging hepatitis B virus infection in vaccinated populations: a rising concern? (2012)

Hepatitis B infection, especially by perinatal transmission, is endemic in Asian countries. After the first successful universal hepatitis B virus (HBV) vaccination programme for newborns in Taiwan, it became feasible to prevent HBV transmission and the resultant hepatocellular carcinoma in endemic countries. However, a small subset of vaccinated people have a suboptimal immunological response to vaccination, and the immunity of some young adults who were vaccinated as infants seems to have waned over time. Despite this loss, recent studies suggest that anamnestic anti-HBs antibody responses rapidly resume and eliminate acute HBV infection acquired through sexual contact or blood transfusion, even though the anti-HBs antibody titre has decreased below a protective level. These observations indicate prolonged protection by the HBV vaccine. Therefore, for people with a low infection risk, a universal booster vaccination is not currently recommended, but it should be considered for high-risk groups. However, we still advocate close monitoring of acute hepatitis B among patients who lack a protective level of anti-HBs antibody and suggest a wait-and-see policy to determine the necessity for booster vaccines.
Ultrasonic isometric imaging. (1971)

speeds, the operator can select the optimum perspectives for interpretation of unknown objects and flaws. Orthographic projections can also be made. Applications and demonstrations (including successful imaging in liquid sodium) are described which clearly indicate the advantages of the ultrasonic imaging technique over conventional B- and C-scans. The technique also has some advantages over scanned ultrasonic holography in that the entire object is in focus and more accurate depth resolution can be obtained. It could also be used to good advantage to complement the capabilities of holographic techniques. (auth)
New combinations in Schnella (Fabaceae: Caesalpiniodeae: Cercideae) (2010)

New combinations are proposed for 28 species and one section in Schnella.The taxa are segregated from the genera Bauhinia and Phanera.
Radiation effects in KMgF 3 crystals (2002)

Effects of x, g and UV irradiation on Tb 3+ and Eu 2+ doped KMgF 3 crystals were studied. Thermoluminescence (TL) excited by VUV radiation was compared to that induced by x and g rays. TL excitation spectra showed maxima at 125, 140, 155 and 180 v nm. The main TL peaks appeared after VUV irradiation at about the same temperatures and with the same thermal activation energies as after x or g irradiation, indicating that these peaks are due to the same trapping levels. In samples, which had previously been exposed to ionizing radiation, TL could also be excited with longer wavelengths that could not excite any TL in un-irradiated crystals; this is attributed to a process of phototransfer (PTTL). The x and UV excited luminescence was measured at LNT and RT and showed essentially the same main emission bands that appeared in the TL and PTTL peaks of these crystals. The dose dependence of the 730 v K TL peak in of KMgF 3 :Eu 2+ was linear up to about 2000 v Gy. The TL sensitivity of KMgF 3 :Eu 2+ was by an order of magnitude higher than that of KMgF 3 :Tb 3+ , which was by a factor of two greater than that of the known TLD-l00 phosphor.
A Dictionary of Social Research Methods (2016)

Over 400 entries This new dictionary offers succinct, clear, expert explanations of key terms from both method and methodology in social research. It covers the whole range of qualitative, quantitative, and other methods, and it ranges from practical techniques like correlation up to methodological approaches such as ethnography. This wide-ranging approach enables it to cover terms needed by every social science discipline along with business and management, education, health, and other areas that encompass social research within their remit. This is an invaluable resource for students, academics, and professional researchers who undertake social research, or need to evaluate and present its results.
DNA variants in the human <i>RAB3A</i> gene are not associated with autism (2004)

Mutation screening of the RAB3A gene in 47 individuals with autism provided no evidence that DNA variants in this gene are associated with autism. Since Rab3a constitutive knockout mice react to novel stimuli with hyperactivity, a further search for association of RAB3A DNA variants with other neurobehavioral disorders such as attention deficit/hyperactivity disorder appears justified.