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https://www.readbyqxmd.com/read/29149765/sorption-desorption-of-antimony-species-onto-calcined-hydrotalcite-surface-structure-and-control-of-competitive-anions
#1
Leonel Vinicius Constantino, Juliana Nunes Quirino, Taufik Abrão, Paulo Sérgio Parreira, Alexandre Urbano, Maria Josefa Santos
Calcined hydrotalcite can be applied to remove anionic contaminants from aqueous systems such as antimony species due to its great anion exchange capacity and high surface area. Hence, this study evaluated antimonite and antimonate sorption-desorption processes onto calcined hydrotalcite in the presence of nitrate, sulfate and phosphate. Sorption and desorption experiments of antimonite and antimonate were carried out in batch equilibrium and the post-sorption solids were analyzed by X-ray fluorescence (EDXRF)...
November 10, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29149556/evaluating-force-field-london-dispersion-coefficients-using-the-exchange-hole-dipole-moment-model
#2
Mohamad Mohebifar, Erin R Johnson, Christopher N Rowley
London dispersion interactions play an integral role in materials science and biophysics. Force fields for atomistic molecular simulations typically represent dispersion interactions by the 12-6 Lennard-Jones potential, using empirically-determined parameters. These parameters are generally underdetermined and there is no straightforward way to test if they are physically realistic. Alternatively, the exchange-hole dipole moment (XDM) model from density-functional theory predicts atomic and molecular London dispersion coefficients from first principles, providing an innovative strategy to validate the dispersion terms of molecular-mechanical force fields...
November 17, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/29149467/geophysical-assessment-of-groundwater-potential-a-case-study-from-mian-channu-area-pakistan
#3
Muhammad Hasan, Yanjun Shang, Gulraiz Akhter, Weijun Jin
An integrated study using geophysical method in combination with pumping tests and geochemical method was carried out to delineate groundwater potential zones in Mian Channu area of Pakistan. Vertical electrical soundings (VES) using Schlumberger configuration with maximum current electrode spacing (AB/2 = 200 m) were conducted at 50 stations and 10 pumping tests at borehole sites were performed in close proximity to 10 of the VES stations. The aim of this study is to establish a correlation between the hydraulic parameters obtained from geophysical method and pumping tests so that the aquifer potential can be estimated from the geoelectrical surface measurements where no pumping tests exist...
November 17, 2017: Ground Water
https://www.readbyqxmd.com/read/29149280/whole-genome-re-sequencing-of-two-italian-tomato-landraces-reveals-sequence-variations-in-genes-associated-with-stress-tolerance-fruit-quality-and-long-shelf-life-traits
#4
Valentina Tranchida-Lombardo, Riccardo Aiese Cigliano, Irantzu Anzar, Simone Landi, Samuela Palombieri, Chiara Colantuono, Hamed Bostan, Pasquale Termolino, Riccardo Aversano, Giorgia Batelli, Maria Cammareri, Domenico Carputo, Maria Luisa Chiusano, Clara Conicella, Federica Consiglio, Nunzio D'Agostino, Monica De Palma, Antonio Di Matteo, Silvana Grandillo, Walter Sanseverino, Marina Tucci, Stefania Grillo
Tomato is a high value crop and the primary model for fleshy fruit development and ripening. Breeding priorities include increased fruit quality, shelf life and tolerance to stresses. To contribute towards this goal, we re-sequenced the genomes of Corbarino (COR) and Lucariello (LUC) landraces, which both possess the traits of plant adaptation to water deficit, prolonged fruit shelf-life and good fruit quality. Through the newly developed pipeline Reconstructor, we generated the genome sequences of COR and LUC using datasets of 65...
November 14, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/29147103/antibacterial-effects-against-various-foodborne-pathogens-and-sensory-properties-of-yogurt-supplemented-with-panax-ginseng-marc-extract
#5
Su Jin Eom, Ji Eun Hwang, Kee-Tae Kim, Hyun-Dong Paik
Panax ginseng marc is produced from fresh ginseng roots during processing and is generally treated as industrial waste. The primary aim of this study was to improve its utilization in the dairy industry as a potential high-value resource. Yogurt was prepared from 11% skim milk powder, 0.1% pectin, 10% sucrose, and ginseng marc ethanol extract (GME, 0.5% and 1.0%) in milk, and was inoculated with a 0.02% yogurt culture (Lactobacillus acidophilus, Bifidobacterium longum, and Streptococcus thermophilus). After fermentation at 40°C for 6-8 h, the physicochemical properties of samples were analyzed by the AOAC, Kjeldahl, and Soxhlet methods...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/29146542/development-of-a-mucoadhesive-delivery-system-for-control-release-of-doxepin-with-application-in-vaginal-pain-relief-associated-with-gynecological-surgery
#6
Roser Sanz, Beatriz Clares, Mireia Mallandrich, Joaquim Suñer-Carbó, María Jesús Montes, Ana C Calpena
The main purpose of this study was to develop a semisolid mucoadhesive formulation for the non-invasive vaginal administration of doxepin (DOX) for pain relief derived from the scarring process after surgery. An orafix(®) platform loading DOX was tested for adequate stability, rheology and vaginal mucoadhesion capacity. The formulation exhibited appropriate pH and was microbiologically stable. The rheological studies confirmed its pseudoplastic and thixotropic nature with prevalence of the elastic behavior component over the viscous one...
November 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29145981/total-hip-arthroplasty-in-the-outpatient-setting-what-you-need-to-know-part-2
#7
REVIEW
Zain Sayeed, Leila Abaab, Mouhanad El-Othmani, Vinay Pallekonda, William Mihalko, Khaled J Saleh
The intra- and postoperative phases of outpatient total hip arthroplasty (THA) vary by institution and surgeon. An understanding of an evidence-based approach to enhancing the intra- and postoperative phases of the care continuum is warranted to offer high-value care to outpatient candidates. This article will discuss methods for implementing successful outpatient THA protocols. Specifically it reviews information regarding anesthesia and analgesia modalities, intraoperative considerations, and postoperative rehabilitation amenable to outpatient THA...
January 2018: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/29145584/critical-lessons-from-high-value-oncology-practices
#8
Douglas W Blayney, Melora K Simon, Beatrice Podtschaske, Scott Ramsey, Margaret Shyu, Craig Lindquist, Arnold Milstein
Importance: Cancer care is expensive. Cancer care provided by practice organizations varies in total spending incurred by patients and payers during treatment episodes and in quality of care, and this unnecessary variation contributes to the high cost. Objective: To use the variation in total spending and quality of care to assess oncology practice attributes distinguishing "high value" that may be tested and adopted by others to produce similar results. Design, Setting, and Participants: "Positive deviance" was used in this exploratory mixed-methods (quantitative and qualitative) analysis of interview results...
November 16, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29145560/strategies-to-achieve-high-value-oncology-care-a-beginning
#9
Harold C Sox, Ethan M Basch, Donald Berwick
No abstract text is available yet for this article.
November 16, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29144866/challenges-in-the-clinical-application-of-the-american-society-of-clinical-oncology-value-framework-a-medicare-cost-benefit-analysis-in-chronic-lymphocytic-leukemia
#10
Erlene K Seymour, Charles A Schiffer, Jonas A de Souza
PURPOSE: The ASCO Value Framework calculates the value of cancer therapies. Given costly novel therapeutics for chronic lymphocytic leukemia, we used the framework to compare net health benefit (NHB) and cost within Medicare of all regimens listed in the National Comprehensive Cancer Network (NCCN) guidelines. METHODS: The current NCCN guidelines for chronic lymphocytic leukemia were reviewed. All referenced studies were screened, and only randomized controlled prospective trials were included...
November 16, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/29143790/deep-eutectic-solvents-dess-for-the-isolation-of-willow-lignin-salix-matsudana-cv-zhuliu
#11
Tengfei Li, Gaojin Lyu, Yu Liu, Rui Lou, Lucian A Lucia, Guihua Yang, Jiachuan Chen, Haroon A M Saeed
Deep eutectic solvents (DESs) are a potentially high-value lignin extraction methodology. DESs prepared from choline chloride (ChCl) and three hydrogen-bond donors (HBD)-lactic acid (Lac), glycerol, and urea-were evaluated for isolation of willow (Salix matsudana cv. Zhuliu) lignin. DESs types, mole ratio of ChCl to HBD, extraction temperature, and time on the fractionated DES-lignin yield demonstrated that the optimal DES-lignin yield (91.8 wt % based on the initial lignin in willow) with high purity of 94...
October 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29143261/river-sediment-metal-and-nutrient-variations-along-an-urban-agriculture-gradient-in-an-arid-austral-landscape-implications-for-environmental-health
#12
Tatenda Dalu, Ryan J Wasserman, Qihang Wu, William P Froneman, Olaf L F Weyl
The effect of metals on environmental health is well documented and monitoring these and other pollutants is considered an important part of environmental management. Developing countries are yet to fully appreciate the direct impacts of pollution on aquatic ecosystems and as such, information on pollution dynamics is scant. Here, we assessed the temporal and spatial dynamics of stream sediment metal and nutrient concentrations using contaminant indices (e.g. enrichment factors, pollution load and toxic risk indices) in an arid temperate environment over the wet and dry seasons...
November 15, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29142826/microbial-synthesis-of-a-branched-chain-ester-platform-from-organic-waste-carboxylates
#13
Donovan S Layton, Cong T Trinh
Processing of lignocellulosic biomass or organic wastes produces a plethora of chemicals such as short, linear carboxylic acids, known as carboxylates, derived from anaerobic digestion. While these carboxylates have low values and are inhibitory to microbes during fermentation, they can be biologically upgraded to high-value products. In this study, we expanded our general framework for biological upgrading of carboxylates to branched-chain esters by using three highly active alcohol acyltransferases (AATs) for alcohol and acyl CoA condensation and modulating the alcohol moiety from ethanol to isobutanol in the modular chassis cell...
December 2016: Metabolic Engineering Communications
https://www.readbyqxmd.com/read/29142168/background-data-on-nod-shi-scid-il-2r%C3%AE-null-mice-nog-mice
#14
Kenichiro Kasahara, Yachiyo Fukunaga, Saori Igura, Rie Andoh, Tsubasa Saito, Isamu Suzuki, Hiroyuki Kanemitsu, Daisuke Suzuki, Ken Goto, Daichi Nakamura, Masahiro Mochizuki, Masahiko Yasuda, Ryo Inoue, Kazutoshi Tamura, Mariko Nagatani
To obtain background data of NOD/Shi-scid IL-2Rγ(null) (NOG) mice, severely immunedeficient mice, a total of 120 animals were examined at 7, 26 and 52 weeks-old (20 mice/sex/group). The survival rate at 52 weeks-old was 95% (19/20) in both sexes. Clinically, circling behavior in one direction along the cage wall was observed in males after 8 weeks and females after 47 weeks-old, and hunchback position was found in males after 32 weeks-old. Hematologically, lymphocyte count markedly decreased at all ages, while white blood cell count increased in several mice at 52 weeks-old...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29141604/genome-wide-identification-of-mirnas-and-lncrnas-in-cajanus-cajan
#15
Chandran Nithin, Amal Thomas, Jolly Basak, Ranjit Prasad Bahadur
BACKGROUND: Non-coding RNAs (ncRNAs) are important players in the post transcriptional regulation of gene expression (PTGR). On one hand, microRNAs (miRNAs) are an abundant class of small ncRNAs (~22nt long) that negatively regulate gene expression at the levels of messenger RNAs stability and translation inhibition, on the other hand, long ncRNAs (lncRNAs) are a large and diverse class of transcribed non-protein coding RNA molecules (> 200nt) that play both up-regulatory as well as down-regulatory roles at the transcriptional level...
November 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29140253/electrical-resistivity-and-wave-character-of-free-electrons-in-amorphous-and-nanoglass-sc-sub-75-sub-fe-sub-25-sub
#16
Mohammad Ghafari, Wayne D Hutchison, Stewart J Campbell, Herbert Gleiter, Horst Hahn, Tao Feng
The residual electrical resistivity of metallic amorphous alloys, ρ0, is typically in the range 50 μΩ cm < ρ0 < 310 μΩ cm corresponding to a mean free path of conduction electrons of order a few interatomic distances. In crystalline metals with low defect levels such as Cu however, the residual electrical resistivity is about ρ0 ≈ 1.54 x 10-2 μΩ cm, leading to extensive progression of free electrons through the crystalline material, of typically up to 4 x 106 nm. The relatively "high" values for the electrical resistivity of distorted Sc75Fe25 alloys are discussed here within the framework of the wave character of electrons...
November 15, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29139259/-progress-in-molecular-identification-of-snake-drugs
#17
REVIEW
Yi Xu, Yan Lu, Hai-Ping Wu, Ying Bu
Snake drugs have high values in clinical medication for anti-inflammatory, analgesia activities and dredging collaterals. However, owing to their deficient resource and substantial profit, many counterfeits for snake drugs have appeared on the market. Traditional methods for Chinese medicine authentication include identification of origin, morphology identification, microscopy and physiochemical identification. But these methods are restricted in application because of their high morphological requirement for specimens, complex process for assays and indeterminate results guided by subjective...
August 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29137456/highly-stretchable-conductors-based-on-expanded-graphite-macro-confined-in-tubular-rubber
#18
Wei Luo, Tongfei Wu, Biqiong Chen, Mei Liang, Huawei Zou
Highly stretchable and durable conductors are significant to the development of wearable devices, robots, human-machine interfaces and other artificial intelligence products. Although many respectable methods have been reported, it is still a challenge to fabricate stretchable conductors with a large elastic limit, high conductivity and excellent reliability in rapid, effective and economic ways. Herein, a facile method is offered to fabricate high-performance stretchable tubular conductors (TCs) based on a macro-confined structure of expanded graphite (EG) in rubber tubing by simply physical packing...
November 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29136934/differential-responses-of-the-green-microalga-chlorella-zofingiensis-to-the-starvation-of-various-nutrients-for-oil-and-astaxanthin-production
#19
Xuemei Mao, Tao Wu, Dongzhe Sun, Zhao Zhang, Feng Chen
Chlorella zofingiensis has been proposed as a potential producer of lipids and the high-value carotenoid astaxanthin. In this study, the responses of photoautotrophic C. zofingiensis with respect to growth, lipid profiles and astaxanthin accumulation were investigated upon the starvation of N (NS), P (PS) and S (SS). NS and SS stimulated triacylglycerol (TAG) accumulation, which reached 27% and 21% of dry weight (DW), respectively. Stresses also stimulated astaxanthin accumulation greatly, reaching 3.9 mg/g DW by NS...
October 27, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29134080/dichlorobenzene-an-effective-solvent-for-epoxy-graphene-nanocomposites-preparation
#20
Jiacheng Wei, Mohd Shahneel Saharudin, Thuc Vo, Fawad Inam
It is generally recognized that dimethylformamide (DMF) and ethanol are good media to uniformly disperse graphene, and therefore have been used widely in the preparation of epoxy/graphene nanocomposites. However, as a solvent to disperse graphene, dichlorobenzene (DCB) has not been fully realized by the polymer community. Owing to high values of the dispersion component (δd) of the Hildebrand solubility parameter, DCB is considered as a suitable solvent for homogeneous graphene dispersion. Therefore, epoxy/graphene nanocomposites have been prepared for the first time with DCB as a dispersant; DMF and ethanol have been chosen as the reference...
October 2017: Royal Society Open Science
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