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https://www.readbyqxmd.com/read/28651137/comparative-evaluation-of-thermal-oxidative-decomposition-for-oil-plant-residues-via-thermogravimetric-analysis-thermal-conversion-characteristics-kinetics-and-thermodynamics
#1
Jianbiao Chen, Yanhong Wang, Xuemei Lang, Xiu'e Ren, Shuanshi Fan
Thermal oxidative decomposition characteristics, kinetics, and thermodynamics of rape straw (RS), rapeseed meal (RM), camellia seed shell (CS), and camellia seed meal (CM) were evaluated via thermogravimetric analysis (TGA). TG-DTG-DSC curves demonstrated that the combustion of oil-plant residues proceeded in three stages, including dehydration, release and combustion of organic volatiles, and chars oxidation. As revealed by combustion characteristic parameters, the ignition, burnout, and comprehensive combustion performance of residues were quite distinct from each other, and were improved by increasing heating rate...
June 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28651108/synchronous-characterization-of-carbohydrates-and-ginsenosides-yields-deeper-insights-into-the-processing-chemistry-of-ginseng
#2
Shan-Shan Zhou, Jun Xu, Ming Kong, Ka-Man Yip, Jin-Di Xu, Hong Shen, Zhong-Zhen Zhao, Song-Lin Li, Hu-Biao Chen
Carbohydrates and ginsenosides in ginseng are biologically interrelated. Their synchronous analysis is therefore essential in chemical research on ginseng to characterize its "holistic" quality. Here we investigated the processing chemistry of red ginseng (RG), a ginseng product processed by water-steaming, for which both carbohydrates and ginsenosides were qualitatively and quantitatively determined through multiple analytical techniques. Results revealed that the steam-processing not only qualitatively and quantitatively altered the ginsenosides but also affected the polymeric carbohydrates via changing their physiochemical parameters, i...
June 19, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28650260/group-4-late-embryogenesis-abundant-proteins-as-a-model-to-study-intrinsically-disordered-proteins-in-plants
#3
Cesar L Cuevas-Velazquez, Jose Luis Reyes, Alejandra A Covarrubias
Late Embryogenesis Abundant (LEA) proteins comprise a heterogeneous group of proteins that accumulate to high levels in the dry seed and in vegetative plant tissues under water deficit. We recently reported that group 4 LEA proteins from Arabidopsis thaliana, regardless of their structural disorder prevalent in aqueous solution, are able to fold into α-helix when subjected to water deficit and/or macromolecular crowding environments. Interestingly, the ability to gain structure under water limiting conditions is circumscribed to the N-terminal conserved region...
June 26, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28649584/data-for-characterization-of-salk_084889-a-t-dna-insertion-line-of-arabidopsis-thaliana
#4
Mingqi Zhou, Anna-Lisa Paul, Robert J Ferl
In this article we report the identification of T-DNA (transfer DNA) insertion sites within two different gene regions in the genome of an Arabidopsis mutant line, SALK_084889. The T-DNA positions are in the 3' UTR (untranslated region) of DREB2A (Dehydration-responsive element-binding protein 2A) (AT5G05410) and promoter of LOX1 (Lipoxygenase 1) (AT1G55020) as determined by DNA-PCR and sanger sequencing. The expression levels of DREB2A and LOX1 were also analyzed using quantitative realtime PCR (qPCR) in SALK_084889 and wild type Arabidopsis (Col, Columbia)...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28649262/multifunctional-roles-of-plant-dehydrins-in-response-to-environmental-stresses
#5
Yang Liu, Qiping Song, Daxing Li, Xinghong Yang, Dequan Li
To respond to environmental changes, plants have developed complex mechanisms that allow them to rapidly perceive and respond to abiotic stresses. Late embryogenesis abundant (LEA) proteins are a large and diverse family that play important roles in environmental stress tolerance in plants. Dehydrins belong to group II LEA proteins, which are considered stress proteins involved in the formation of plants' protective reactions to dehydration. Some studies have demonstrated that dehydrins could binding metal ions or lipid vesicles...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28648918/acoustic-and-elastic-properties-of-glycerol-in-oil-based-gel-phantoms
#6
Luciana C Cabrelli, Felipe W Grillo, Diego R T Sampaio, Antonio A O Carneiro, Theo Z Pavan
Phantoms are important tools for image quality control and medical training. Many phantom materials have been proposed for ultrasound; most of them use water as the solvent, but these materials have disadvantages such as dehydration and low temporal stability if not properly stored. To overcome these difficulties, copolymer-in-oil gel was proposed as an inert and stable material; however, speed of sound for these materials is still lower than what is described for most biological tissues. Here, we propose the glycerol dispersion in oil-based gels to modify the acoustic and elastic properties of copolymer-in-oil phantoms...
June 22, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28648807/dehydration-and-starvation-yield-energetic-consequences-that-affect-survival-of-the-american-dog-tick
#7
Andrew J Rosendale, Megan E Dunlevy, Alicia M Fieler, David W Farrow, Benjamin Davies, Joshua B Benoit
Ticks are obligate hematophagous arthropods, but may have to endure extended time (1-2 years) between feedings. During these off-host periods, ticks must contend with a multitude of environmental stresses including prolonged or repeated exposure to desiccating conditions. In this study, we measured the energetic consequences of single and repeated bouts of dehydration of American dog ticks, Dermacentor variabilis, and examined the impact of energy reserves on tick survival during dehydration. Recently molted ticks exposed to a single period at 0% relative humidity (RH) for 5 d lost ∼26% of their body water and showed 1...
June 22, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28646525/preliminary-characterization-of-putative-structural-cuticular-proteins-in-the-malaria-vector-anopheles-sinensis
#8
Dan Zhou, Baiyun Duan, Yan Sun, Lei Ma, Changliang Zhu, Bo Shen
BACKGROUND: The insect cuticle protects against environmental stresses such as insecticides, physical injury, dehydration and pathogenic microorganisms. Structural cuticular proteins (CPs) are the primary components, and are of interest for physiology-based pest management methods. Anopheles sinensis CPs are poorly characterised at present, therefore we performed whole genome sequence analysis and re-analysed available transcriptome data to identify potential insecticide resistance-associated CPs...
June 23, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28645581/improvement-of-isopropanol-tolerance-of-escherichia-coli-using-adaptive-laboratory-evolution-and-omics-technologies
#9
Takaaki Horinouchi, Aki Sakai, Hazuki Kotani, Kumi Tanabe, Chikara Furusawa
Isopropanol (IPA) is the secondary alcohol that can be dehydrated to yield propylene. To produce IPA using microorganisms, a significant issue is that the toxicity of IPA causes retardation or inhibition of cell growth, decreasing the yield. One possible strategy to overcome this problem is to improve IPA tolerance of production organisms. For the understanding of tolerance to IPA, we performed parallel adaptive laboratory evolution (ALE) of Escherichia coli under IPA stress. To identify the genotypic change during ALE, we performed genome re-sequencing analyses of obtained tolerant strains...
June 20, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28645248/characterizing-the-reproductive-transcriptomic-correlates-of-acute-dehydration-in-males-in-the-desert-adapted-rodent-peromyscus-eremicus
#10
Lauren Kordonowy, Matthew MacManes
BACKGROUND: The understanding of genomic and physiological mechanisms related to how organisms living in extreme environments survive and reproduce is an outstanding question facing evolutionary and organismal biologists. One interesting example of adaptation is related to the survival of mammals in deserts, where extreme water limitation is common. Research on desert rodent adaptations has focused predominantly on adaptations related to surviving dehydration, while potential reproductive physiology adaptations for acute and chronic dehydration have been relatively neglected...
June 23, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28644899/new-insights-in-dehydration-stress-behavior-of-two-maize-hybrids-using-advanced-distributed-reactivity-model-drm-responses-to-the-impact-of-24-epibrassinolide
#11
Hadi Waisi, Bojan Janković, Marija Janković, Bogdan Nikolić, Ivica Dimkić, Blažo Lalević, Vera Raičević
Proposed distributed reactivity model of dehydration for seedling parts of two various maize hybrids (ZP434, ZP704) was established. Dehydration stresses were induced thermally, which is also accompanied by response of hybrids to heat stress. It was found that an increased value of activation energy counterparts within radicle dehydration of ZP434, with a high concentration of 24-epibrassinolide (24-EBL) at elevated operating temperatures, probably causes activation of diffusion mechanisms in cutin network and may increases likelihood of formation of free volumes, large enough to accommodate diffusing molecule...
2017: PloS One
https://www.readbyqxmd.com/read/28644688/intraosseous-administration-of-antidotes-a-systematic-review
#12
Audrée Elliott, Pierre-André Dubé, Amélie Cossette-Côté, Laura Patakfalvi, Eric Villeneuve, Martin Morris, Sophie Gosselin
CONTEXT: Intraosseous (IO) access is an established route of administration in resuscitation situations. Patients with serious poisoning presenting to the emergency department may require urgent antidote therapy. However, intravenous (IV) access is not always readily available. OBJECTIVE: This study reviews the current evidence for IO administration of antidotes that could be used in poisoning. The primary outcome was mortality as a surrogate of efficacy. Secondary outcomes included hemodynamic variables, electrocardiographic variables, neurological status, pharmacokinetics outcomes, and adverse effects as defined by each article...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28644555/a-self-assembled-trigonal-prismatic-molecular-vessel-for-catalytic-dehydration-reactions-in-water
#13
Partha Sarathi Mukherjee, Paramita Das, Atul Kumar, Prodip Howlader
A water-soluble Pd6 trigonal prism (A) was synthesized by two-component coordination-driven self-assembly of a Pd(II) 90° acceptor with a tetraimidazole donor. As the walls of the prism are constructed by three conjugated aromatic building blocks, the confined pocket of the prism is hydrophobic. In addition to the hydrophobic cavity, large product egress windows make A an ideal molecular vessel to catalyze otherwise challenging pseudo multicomponent dehydration reactions in its confined nanospace in aqueous medium...
June 23, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28643864/hydroxyacetone-a-glycerol-based-platform-for-electrocatalytic-hydrogenation-and-hydrodeoxygenation-processes
#14
Waldemar Sauter, Olaf Lennart Bergmann, Uwe Schröder
Here we propose the use of hydroxyacetone, a dehydration product of glycerol, as a platform for the electrocatalytic synthesis of acetone, 1,2-propanediol and 2-propanol. 11 non-noble metals were investigated as electrode materials in combination with three different electrolyte compositions towards the selectivity, Coulomb efficiency (CE) and reaction rates of the electrocatalytic hydrogenation (formation of 1,2-propanediol) and hydrodeoxygenation (formation of acetone and propanol) of hydroxyacetone. With a selectivity of 84...
June 23, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28643282/energy-and-exergy-optimization-of-food-waste-pretreatment-and-incineration
#15
Yuanjun Tang, Jun Dong, Yong Chi, Zhaozhi Zhou, Mingjiang Ni
With the aim of upgrading current food waste (FW) management strategy, a novel FW hydrothermal pretreatment and air-drying incineration system is proposed and optimized from an energy and exergy perspective. Parameters considered include the extracted steam quality, the final moisture content of dehydrated FW, and the reactor thermal efficiency. Results show that optimal working condition can be obtained when the temperature and pressure of extracted steam are 159 °C and 0.17 MPa, the final moisture content of dehydrated FW is 10%, and the reactor thermal efficiency is 90%...
June 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28639438/body-composition-analysis-to-study-long-term-training-effects-in-elite-male-water-polo-athletes
#16
Giovanni Melchiorri, Valerio Viero, Roberto Sorge, Tamara Triossi, Alessandro Campagna, Stella L Volpe, Dalgisio Lecis, Virginia Tancredi, Angela Andreoli
BACKGROUND: Elite water polo athletes undergo heavy training programs throughout the year, but especially to prepare major competitions, such as the Olympics. Optimal athletic performance is a result of many factors, including proper management of the intensity and volume of training, nutrition and recovery between training sessions. When training is excessive in relation to recovery may occur non functional overreaching (NFO). NFO can degenerate into overtraining syndrome (OTS) resulting in a decrease in athletic performance, with likely changes in body weight and body composition...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28638567/nephrology-key-information-for-internists
#17
Sohail Abdul Salim, Juan A Medaura, Bharat Malhotra, Vishnu Garla, Shradha Ahuja, Nicki Lawson, Amaleswari Pamarthy, Hardik Sonani, Karthik Kovvuru, Venkataraman Palabindala
Hospitalists and primary care physicians encounter renal disease daily. Although most cases of acute kidney injury (AKI) are secondary to dehydration and resolve by giving fluids, many cases of AKI are due to not uncommon but unfamiliar causes needing nephrology evaluation. Common indications to consult a nephrologist on an emergency basis include hyperkalemia or volume overload in end stage renal disease patients (ESRD). Other causes of immediate consultation are cresenteric glomerulonephritis / rapidly progressive glomerulonephritis in which renal prognosis of the patient depends on timely intervention...
March 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28638518/automated-reporting-of-trainee-metrics-using-electronic-clinical-systems
#18
Jonathan C Levin, Jonathan Hron
BACKGROUND: The Accreditation Council for Graduate Medical Education has called for increased emphasis on reporting objective performance measures to trainees and programs. However, reporting of objective measures, including clinical volume, is largely omitted from training programs. OBJECTIVE: To use automated electronic medical systems at a tertiary pediatric care hospital to create a dashboard that reports objective trainee and program metrics, including clinical volume and diagnoses in a pediatrics residency...
June 2017: Journal of Graduate Medical Education
https://www.readbyqxmd.com/read/28638441/efficient-dehydration-and-recovery-of-ionic-liquid-after-lignocellulosic-processing-using-pervaporation
#19
Jian Sun, Jian Shi, N V S N Murthy Konda, Dan Campos, Dajiang Liu, Stuart Nemser, Julia Shamshina, Tanmoy Dutta, Paula Berton, Gabriela Gurau, Robin D Rogers, Blake A Simmons, Seema Singh
BACKGROUND: Biomass pretreatment using certain ionic liquids (ILs) is very efficient, generally producing a substrate that is amenable to saccharification with fermentable sugar yields approaching theoretical limits. Although promising, several challenges must be addressed before an IL pretreatment technology can become commercially viable. One of the most significant challenges is the affordable and scalable recovery and recycle of the IL itself. Pervaporation (PV) is a highly selective and scalable membrane separation process for quantitatively recovering volatile solutes or solvents directly from non-volatile solvents that could prove more versatile for IL dehydration...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28636843/hospital-inpatient-admissions-with-dehydration-and-or-malnutrition-in-medicare-beneficiaries-receiving-enteral-nutrition-a-cohort-study
#20
Rachel Drake, Audrey Ozols, William J Nadeau, Mary Jo Braid-Forbes
BACKGROUND: Enteral nutrition (EN) supports many older and disabled Americans. This study describes the frequency and cost of acute care hospitalization with dehydration and/or malnutrition of Medicare beneficiaries receiving EN, focusing on those receiving home EN. METHODS: Medicare 5% Standard Analytic Files were used to determine Medicare spending for EN supplies and the proportion and cost of beneficiaries receiving EN, specifically home EN, admitted to the hospital with dehydration and/or malnutrition...
June 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
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