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https://www.readbyqxmd.com/read/28110257/acidification-with-nitric-acid-improves-chemical-characteristics-and-reduces-phytotoxicity-of-alkaline-chars
#1
Fernando Fornes, Rosa Maria Belda
Charred organic matter is recently receiving attention for its potential use as soilless growth medium. However, depending on its origin and on the manufacturing technology, it can result toxic for plants. This fact implies that a detoxifying treatment ought to be devised in order to reclaim char in this way. We have studied three materials which combine these factors: two pyrolyzed biochars, one from forest waste (BCH-FW) and another from olive mill waste (BCH-OMW), and one hydrothermally carbonized hydrochar from forest waste (HYD-FW)...
January 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28106250/assessment-of-biochar-and-hydrochar-as-minor-to-major-constituents-of-growing-media-for-containerized-tomato-production
#2
Fernando Fornes, Rosa M Belda, Pascual Fernández de Córdova, Jaime Cebolla-Cornejo
BACKGROUND: Chars are emerging materials as constituents of growth media. However, chars of different origin differ in their characteristics and more studies are needed to ratify them for such role. The characteristics of coir mixed with 0, 10, 25, 50, 75, and 100 (% v:v) of two biochars, from forest waste (BCH-FW) and from olive mill waste (BCH-OMW), and one hydrochar, from forest waste (HYD-FW), and their effects on growth, yield and fruit quality of two tomato cultivars (Gransol RZ and Cuarenteno) were assessed...
January 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28100794/charred-remains-trigger-torpor-in-antechinus-survivors
#3
Kathryn Knight
No abstract text is available yet for this article.
January 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28094155/sustainable-options-for-the-utilization-of-solid-residues-from-wine-production
#4
Nansen Zhang, Andrew Hoadley, Jim Patel, Seng Lim, Chao'en Li
The efficient use of solid organic waste materials is an issue of particular importance for the wine industry. This paper focuses on the valorization of grape marc, the major component of winery organic waste (60-70%). Two methods were designed and compared: combustion to generate electricity, and the pyrolysis for the production of bio-char, bio-oil, and bio-gas. Each of these processes was analysed to determine their economic and environmental viability. The flow-sheeting software, ASPEN PLUS, was used to model the two cases...
January 13, 2017: Waste Management
https://www.readbyqxmd.com/read/28093097/present-day-central-african-forest-is-a-legacy-of-the-19th-century-human-history
#5
Julie Morin-Rivat, Adeline Fayolle, Charly Favier, Laurent Bremond, Sylvie Gourlet-Fleury, Nicolas Bayol, Philippe Lejeune, Hans Beeckman, Jean-Louis Doucet
The populations of light-demanding trees that dominate the canopy of central African forests are now aging. Here, we show that the lack of regeneration of these populations began ca. 165 ya (around 1850) after major anthropogenic disturbances ceased. Since 1885, less itinerancy and disturbance in the forest has occurred because the colonial administrations concentrated people and villages along the primary communication axes. Local populations formerly gardened the forest by creating scattered openings, which were sufficiently large for the establishment of light-demanding trees...
January 17, 2017: ELife
https://www.readbyqxmd.com/read/28090795/isolation-and-characterization-of-anti-c-met-single-chain-fragment-variable-scfv-antibodies
#6
Elmira Safaie Qamsari, Zahra Sharifzadeh, Salman Bagheri, Farhad Riazi-Rad, Vahid Younesi, Mohsen Abolhassani, Sepideh Safaei Ghaderi, Behzad Baradaran, Mohammad Hossein Somi, Mehdi Yousefi
The receptor tyrosine kinase (RTK) Met is the cell surface receptor for hepatocyte growth factor (HGF) involved in invasive growth programs during embryogenesis and tumorgenesis. There is compelling evidence suggesting important roles for c-Met in colorectal cancer proliferation, migration, invasion, angiogenesis, and survival. Hence, a molecular inhibitor of an extracellular domain of c-Met receptor that blocks c-Met-cell surface interactions could be of great thera-peutic importance. In an attempt to develop molecular inhibitors of c-Met, single chain variable fragment (scFv) phage display libraries Tomlinson I + J against a specific synthetic oligopeptide from the extracellular domain of c-Met receptor were screened; selected scFv were then characterized using various immune techniques...
January 16, 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/28090477/the-economic-cost-of-implementing-maternal-and-neonatal-death-review-in-a-district-of-bangladesh
#7
Animesh Biswas, Abdul Halim, Fazlur Rahman, Charli Eriksson, Koustuv Dalal
INTRODUCTION: Maternal and neonatal death review (MNDR) introduced in Bangladesh and initially piloted in a district during 2010. MNDR is able to capture each of the maternal, neonatal deaths and stillbirths from the community and government facilities (hospitals). This study aimed to estimate the cost required to implement MNDR in a district of Bangladesh during 2010-2012. MATERIALS AND METHODS: MNDR was implemented in Thakurgaon district in 2010 and later gradually extended until 2015...
December 9, 2016: Journal of Public Health Research
https://www.readbyqxmd.com/read/28089222/-etiology-and-prognosis-of-the-eye-traumas-by-war-weapons-in-the-senegalese-army
#8
S M Seck, M Diakhaté, M N Ndiaye Sow, M Dieng, G Agboton, N N Guèye
INTRODUCTION: The aim of this work is to identify the main weapons causing eye injuries during the campaigns of the Senegalese army in the south of the country, as well as the prognosis of these traumas. PATIENTS AND METHODS: This study is retrospective and concerns soldiers wounded by the weapons of war during the exercise of their mission within the Senegalese armed forces of 1991 in 2005. They are mainly soldiers affected in the south of the country during a war, clashes with the rebels or in Guinea-Bissau during operation Gabou in 1998...
January 11, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28088076/in%C3%A2-vivo-visualization-of-endogenous-mir-21-using-hyaluronic-acid-coated-graphene-oxide-for-targeted-cancer-therapy
#9
Do Won Hwang, Han Young Kim, Fangyuan Li, Ji Yong Park, Dohyun Kim, Jae Hyung Park, Hwa Seung Han, Jung Woo Byun, Yun-Sang Lee, Jae Min Jeong, Kookheon Char, Dong Soo Lee
Oncogene-targeted nucleic acid therapy has been spotlighted as a new paradigm for cancer therapeutics. However, in vivo delivery issues and uncertainty of therapeutic antisense drug reactions remain critical hurdles for a successful targeted cancer therapy. In this study, we developed a fluorescence-switchable theranostic nanoplatform using hyaluronic acid (HA)-conjugated graphene oxide (GO), which is capable of both sensing oncogenic miR-21 and inhibiting its tumorigenicity simultaneously. Cy3-labeled antisense miR-21 peptide nucleic acid (PNA) probes loaded onto HA-GO (HGP21) specifically targeted CD44-positive MBA-MB231 cells and showed fluorescence recovery by interacting with endogenous miR-21 in the cytoplasm of the MBA-MB231 cells...
March 2017: Biomaterials
https://www.readbyqxmd.com/read/28079358/cellulose-nanofibril-aerogels-synergistic-improvement-of-hydrophobicity-strength-and-thermal-stability-via-cross-linking-with-diisocyanate
#10
Feng Jiang, You-Lo Hsieh
A facile gelation cross-linking approach was devised to fabricate meso- and macroporous cellulose nanofibril (CNF) aerogels with multiple improved properties. CNF hydrogels made using a freezing-thawing method with a 94 kPa modulus were solvent exchanged with acetone and then cross-linked with methylene diphenyl diisocyanate (MDI) to produce aerogels with significantly improved compressive properties that follow a power law increment against aerogel density with impressive 1.69, 2.49, and 1.43 scaling factors for Young's modulus, yield stress, and ultimate stress, respectively...
January 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28068592/effect-of-torrefaction-on-the-properties-of-rice-straw-high-temperature-pyrolysis-char-pore-structure-aromaticity-and-gasification-activity
#11
Handing Chen, Xueli Chen, Yueqiang Qin, Juntao Wei, Haifeng Liu
The influence of torrefaction on the physicochemical characteristics of char during raw and water washed rice straw pyrolysis at 800-1200°C is investigated. Pore structure, aromaticity and gasification activity of pyrolysis chars are compared between raw and torrefied samples. For raw straw, BET specific surface area decreases with the increased torrefaction temperature at the same pyrolysis temperature and it approximately increases linearly with weight loss during pyrolysis. The different pore structure evolutions relate to the different volatile matters and pore structures between raw and torrefied straw...
December 24, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/28063130/glucocorticoids-curtail-stimuli-induced-creb-phosphorylation-in-trh-neurons-through-interaction-of-the-glucocorticoid-receptor-with-the-catalytic-subunit-of-protein-kinase-a
#12
Israim Sotelo-Rivera, Antonieta Cote-Vélez, Rosa-María Uribe, Jean-Louis Charli, Patricia Joseph-Bravo
PURPOSE: Corticosterone prevents cold-induced stimulation of thyrotropin-releasing hormone (Trh) expression in rats, and the stimulatory effect of dibutyryl cyclic-adenosine monophosphate (dB-cAMP) on Trh transcription in hypothalamic cultures. We searched for the mechanism of this interference. METHODS: Immunohistochemical analyses of phosphorylated cAMP-response element binding protein (pCREB) were performed in the paraventricular nucleus (PVN) of Wistar rats, and in cell cultures of 17-day old rat hypothalami, or neuroblastoma SH-SY5Y cells...
January 6, 2017: Endocrine
https://www.readbyqxmd.com/read/28060311/biomass-conversion-to-produce-hydrocarbon-liquid-fuel-via-hot-vapor-filtered-fast-pyrolysis-and-catalytic-hydrotreating
#13
Huamin Wang, Douglas C Elliott, Richard J French, Steve Deutch, Kristiina Iisa
Lignocellulosic biomass conversion to produce biofuels has received significant attention because of the quest for a replacement for fossil fuels. Among the various thermochemical and biochemical routes, fast pyrolysis followed by catalytic hydrotreating is considered to be a promising near-term opportunity. This paper reports on experimental methods used 1) at the National Renewable Energy Laboratory (NREL) for fast pyrolysis of lignocellulosic biomass to produce bio-oils in a fluidized-bed reactor and 2) at Pacific Northwest National Laboratory (PNNL) for catalytic hydrotreating of bio-oils in a two-stage, fixed-bed, continuous-flow catalytic reactor...
December 25, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28060147/myomelanocytic-choroidal-tumor-cytopathologic-diagnosis
#14
Ian M Jaffee, Devron H Char
PURPOSE: Establishing the correct diagnosis of a growing choroidal tumor can be difficult. METHODS: Clinical examination and ultrasound of a patient followed for what was thought to be a uveal melanoma. Fine-needle biopsy established the correct diagnosis. RESULTS: We demonstrate that fine-needle biopsy can correctly identify a very rare tumor, a myomelanocytic neoplasm. CONCLUSION: Myomelanocytic choroidal tumors can be diagnosed on fine-needle biopsy...
January 2, 2017: Retina
https://www.readbyqxmd.com/read/28054652/using-the-target-constituent-removal-combined-with-bioactivity-assay-strategy-to-investigate-the-optimum-arecoline-content-in-charred-areca-nut
#15
Wei Peng, Yu-Jie Liu, Mei-Bian Hu, Dan Yan, Yong-Xiang Gao, Chun-Jie Wu
Charred areca nut (CAN) is used to treat dyspepsia and abdominal distension in children. However, reports revealed that arecoline, the most important active constituent of CAN, possesses potential toxicities. This study was designed to investigate the optimum arecoline content in CAN, using the "target constituent removal combined with bioactivity assay" strategy. Based on PTLC method, we prepared CAN lacking all arecoline (WAC-100R) and a series of different ratios of arecoline-removed CAN samples (WAC-Rx)...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28049504/effects-on-alcohol-use-of-a-swedish-school-based-prevention-program-for-early-adolescents-a-longitudinal-study
#16
Linda Beckman, Mikael Svensson, Susanna Geidne, Charli Eriksson
BACKGROUND: The aim of the study was to address the lack of evaluations of school-based substance use prevention programs and to conduct a quasi-experimental evaluation of the alcohol use part of the Triad intervention. METHODS: Eleven Swedish intervention schools (285 pupils) and three control schools (159 pupils) participated in the evaluation. Baseline measurements were conducted in 2011 before the alcohol part in the prevention program was implemented in the intervention schools (school year 6, ages 12-13)...
January 3, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28042990/physicochemical-evolution-during-rice-straw-and-coal-co-pyrolysis-and-its-effect-on-co-gasification-reactivity
#17
Juntao Wei, Yan Gong, Qinghua Guo, Lu Ding, Fuchen Wang, Guangsuo Yu
Physicochemical evolution (i.e. pore structure variation, carbon structure change and active AAEM transformation) during rice straw (RS) and Shenfu bituminous coal (SF) co-pyrolysis was quantitatively determined in this work. Moreover, the corresponding char gasification was conducted using a thermogravimetric analyzer (TGA) and relative reactivity was proposed to quantify the co-pyrolysis impact on co-gasification reactivity. The results showed that the development of pore structure in co-pyrolyzed chars was first inhibited and then enhanced with the decrease of SF proportion...
March 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28039700/extended-hepatectomy-using-the-bipolar-tissue-sealer-an-experimental-model-of-small-for-size-syndrome-in-pigs
#18
Antonios Athanasiou, Michael Kontos, Emmanouil Pikoulis, John Griniatsos, Apostolos Papalois, Eleftherios Spartalis, Demetrios Moris, Evangelos Felekouras, Theodoros Liakakos
PURPOSE: After liver transplantation with a small-for-size liver graft or after extensive hepatectomy for liver malignancies or other non malignant conditions with an insufficient liver volume, the survival of patients depends on liver regeneration. This study was carried out in order to create a new porcine model for the study of small-for-size syndrome (SFSS) after extensive hepatectomy. METHODS: In the present study we used 23 domestic Landrace pigs weighing 28...
November 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28031772/the-chronotype-of-elite-athletes
#19
Michele Lastella, Gregory D Roach, Shona L Halson, Charli Sargent
The aims of this study were (i) to compare the chronotype distribution of elite athletes to a young adult population and (ii) to determine if there was a tendency for athletes to select and/or participate in sports which suited their chronotype. A total of 114 elite athletes from five sports (cricket, cycling, hockey, soccer and triathlon) participated in this study. The participants' chronotype, sleepiness, sleep satisfaction and sleep quality were determined using the Horne and Östberg Morningness and Eveningness questionnaire, the Epworth Sleepiness Scale and questions concerning their sleep satisfaction and quality...
December 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28024278/recycled-tire-pyrolytic-carbon-made-functional-a-high-arsenite-as-iii-uptake-material-pyrc350-%C3%A2
#20
E Mouzourakis, Y Georgiou, M Louloudi, I Konstantinou, Y Deligiannakis
A novel material, PyrC350(®), has been developed from pyrolytic-tire char (PyrC), as an efficient low-cost Arsenite [As(III)] adsorbent from water. PyrC350(®) achieves 31mgg(-1) As(III) uptake, that remains unaltered at pH=4-8.5. A theoretical Surface Complexation Model has been developed that explains the adsorption mechanism, showing that in situ formed Fe3C, ZnS particles act cooperatively with the carbon matrix for As(III) adsorption. Addressing the key-issue of cost-effectiveness, we provide a comparison of As(III)-uptake effectiveness in conjunction with a cost analysis, showing that PyrC350(®) stands in the top of [effectiveness/cost] vs...
December 21, 2016: Journal of Hazardous Materials
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