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https://www.readbyqxmd.com/read/28927798/effect-of-charcoal-dextran-stripped-fetal-bovine-serum-on-in-vitro-development-of-bovine-embryos
#1
Ayman Mesalam, Rami Kong, Imran Khan, Mmr Chowdhury, Byung-Hyun Choi, Sung Woo Kim, Kyu-Woan Cho, Jong-In Jin, Il-Keun Kong
This study investigated the ability of charcoal:dextran stripped fetal bovine serum (CDS FBS) and heat-inactivated fetal bovine serum (HI FBS) to support in vitro development of bovine embryos. The developmental ability and quality of bovine embryos were determined by assessing their cell number, lipid content, mitochondrial activity, gene expression, and cryo-tolerance. The percentage of embryos that formed a blastocyst was significantly (P<0.05) higher in medium containing CDS FBS than in medium containing HI FBS (42...
September 16, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28924862/personal-inhalation-exposure-to-polycyclic-aromatic-hydrocarbons-and-their-nitro-derivatives-in-rural-residents-in-northern-thailand
#2
Walaiporn Orakij, Thaneeya Chetiyanukornkul, Thanyarat Chuesaard, Yuichi Kaganoi, Waka Uozaki, Chiharu Homma, Yaowatat Boongla, Ning Tang, Kazuichi Hayakawa, Akira Toriba
A personal inhalation exposure and cancer risk assessment of rural residents in Lampang, Thailand, was conducted for the first time. This highlighted important factors that may be associated with the highest areal incidence of lung cancer. Personal exposure of rural residents to polycyclic aromatic hydrocarbons (PAHs) and their nitro-derivatives (NPAHs) through inhalation of fine particulate matter (PM2.5) was investigated in addition to stationary air sampling in an urban area. The personal exposure of the subjects to PM2...
September 18, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28922624/quantification-of-voc-emissions-from-paint-spraying-on-a-construction-site-using-solid-phase-microextraction-devices
#3
Wen-Hsi Cheng, Hsiao-Lin Huang, Kang-Shin Chen, Yu-Jen Chang
The objective of this study was to measure the emission of, and personal exposure to workers, volatile organic compound (VOC) during paint spraying on a construction site. Needle trap samplers (NTSs), which are a green solid phase microextraction sampling technology, were used to obtain air samples at a large music exhibition center. The standard active sampling method using charcoal tubes and a personal air pump, Method 1501, was simultaneously utilized at the sampling sites to assess the workers' VOC exposures...
September 18, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28921004/using-paleoecology-to-inform-land-management-as-climates-change-an-example-from-an-oak-savanna-ecosystem
#4
Jessica D Spencer, Andrea Brunelle, Tim Hepola
Oak savanna, a transitional ecosystem between open prairie and dense oak forest, was once widespread in Minnesota. Upon European settlement much of the oak savanna was destroyed. Recently, efforts to restore this ecosystem have increased and often include the reintroduction of fire. Though fire is known to serve an important role within oak savannas, there are currently few studies which address fire regimes on timescales longer than the last century. This research presents a paleoecological history of Sherburne National Wildlife Refuge (SNWR) in MN, USA, spanning the last ~8000 years...
September 18, 2017: Environmental Management
https://www.readbyqxmd.com/read/28915540/impact-of-partial-fuel-switch-on-household-air-pollutants-in-sub-sahara-africa
#5
Vianney Tumwesige, Gabriel Okello, Sean Semple, Jo Smith
Over 700 million people in Sub-Saharan Africa depend on solid biomass fuel and use simple cookstoves in poorly ventilated kitchens, which results in high indoor concentrations of household air pollutants. Switching from biomass to biogas as a cooking fuel can reduce airborne emissions of fine particulate matter (PM2.5) and carbon monoxide (CO), but households often only partially convert to biogas, continuing to use solid biomass fuels for part of their daily cooking needs. There is little evidence of the benefits of partial switching to biogas...
September 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28913501/acute-poisoning-due-to-ingestion-of-datura-stramonium-a-case-report
#6
Sebastian Daniel Trancă, Robert Szabo, Mihaela Cociş
Datura stramonium (DS) is a widespread annual plant, containing atropine, hyoscyamine, and scopolamine, which can produce poisoning with a severe anticholinergic syndrome. Teenagers ingest the roots, seeds or the entire plant to obtain its hallucinogenic and euphoric effects. We presented the case of a 22 year old male who was admitted to the Emergency Room in a coma after consuming Datura stramonium, 2 hours earlier. The patient presented with fever, tachycardia with right bundle branch block, and urinary retention...
April 2017: Rom J Anaesth Intensive Care
https://www.readbyqxmd.com/read/28901462/role-of-ghrelin-in-small-intestinal-motility-following-pediatric-intracerebral-hemorrhage-in-mice
#7
Jieyu Zan, Lei Song, Jiejie Wang, Rong Zou, Fei Hong, Jinhua Zhao, Yijun Cheng, Ming Xu
Small intestinal motility (SIM) disorder is a common complication following pediatric intracerebral hemorrhage (ICH), leading to a poor prognosis in patients. Previous studies have shown that ghrelin is involved in SIM in various diseases; however, the role of ghrelin in pediatric ICH‑induced SIM disorder remains to be elucidated. The present study was designed to investigate the association between ghrelin and SIM post‑ICH, and to examine the effect of exogenous ghrelin administration on SIM in vivo...
September 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28898830/sugar-and-ethanol-production-from-woody-biomass-via-supercritical-water-hydrolysis-in-a-continuous-pilot-scale-system-using-acid-catalyst
#8
Hanseob Jeong, Yong-Cheol Park, Yeong-Je Seong, Soo Min Lee
The aim of this study were to efficiently produce fermentable sugars by continuous type supercritical water hydrolysis (SCWH) of Quercus mongolica at the pilot scale with varying acid catalyst loading and to use the obtained sugars for ethanol production. The SCWH of biomass was achieved in under one second (380°C, 230bar) using 0.01-0.1% H2SO4. With 0.05% H2SO4, 49.8% of sugars, including glucose (16.5% based on biomass) and xylose monomers (10.8%), were liberated from biomass. The hydrolysates were fermented with S...
August 12, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28894167/carbon-sequestration-potential-and-physicochemical-properties-differ-between-wildfire-charcoals-and-slow-pyrolysis-biochars
#9
Cristina Santín, Stefan H Doerr, Agustin Merino, Thomas D Bucheli, Rob Bryant, Philippa Ascough, Xiaodong Gao, Caroline A Masiello
Pyrogenic carbon (PyC), produced naturally (wildfire charcoal) and anthropogenically (biochar), is extensively studied due to its importance in several disciplines, including global climate dynamics, agronomy and paleosciences. Charcoal and biochar are commonly used as analogues for each other to infer respective carbon sequestration potentials, production conditions, and environmental roles and fates. The direct comparability of corresponding natural and anthropogenic PyC, however, has never been tested. Here we compared key physicochemical properties (elemental composition, δ(13)C and PAHs signatures, chemical recalcitrance, density and porosity) and carbon sequestration potentials of PyC materials formed from two identical feedstocks (pine forest floor and wood) under wildfire charring- and slow-pyrolysis conditions...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28889245/effect-of-soil-amendments-on-microbial-resilience-capacity-of-acid-soil-under-copper-stress
#10
Vassanda Coumar Mounissamy, Samaresh Kundu, Rajendiran Selladurai, Jayanta Kumar Saha, Ashish Kumar Biswas, Tapan Adhikari, Ashok Kumar Patra
An incubation study was undertaken to study microbial resilience capacity of acid soil amended with farmyard manure (FYM), charcoal and lime under copper (Cu) perturbation. Copper stress significantly reduced enzymatic activities and microbial biomass carbon (MBC) in soil. Percent reduction in microbial activity of soil due to Cu stress was 74.7% in dehydrogenase activity, 59.9% in MBC, 48.2% in alkaline phosphatase activity and 15.1% in acid phosphatase activity. Soil treated with FYM + charcoal showed highest resistance index for enzymatic activities and MBC...
September 9, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28864212/14-o-methylmorphine-a-novel-selective-mu-opioid-receptor-agonist-with-high-efficacy-and-affinity
#11
Ferenc Zádor, Mihály Balogh, András Váradi, Zoltán S Zádori, Kornél Király, Edina Szűcs, Bence Varga, Bernadette Lázár, Sándor Hosztafi, Pál Riba, Sándor Benyhe, Susanna Fürst, Mahmoud Al-Khrasani
14-O-methyl (14-O-Me) group in morphine-6-O-sulfate (M6SU) or oxymorphone has been reported to be essential for enhanced affinity, potency and antinociceptive effect of these opioids. Herein we report on the pharmacological properties (potency, affinity and efficacy) of the new compound, 14-O-methylmorphine (14-O-MeM) in in vitro. Additionally, we also investigated the antinociceptive effect of the novel compound, as well as its inhibitory action on gastrointestinal transit in in vivo. The potency and efficacy of test compound were measured by [(35)S]GTPγS binding, isolated mouse vas deferens (MVD) and rat vas deferens (RVD) assays...
August 30, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28842180/purification-of-biomevalonate-from-fermentation-broth-and-conversion-of-biomevalonate-into-biomevalonolactone
#12
Jin Won Kim, Hee Chan Yoon, Soon Jae Kwon, Bun Yeol Lee, Pyung Cheon Lee
Mevalonate (MVA) is a key compound of living organisms including bacteria, plants, and humans. MVA and mevalonolactone (MVL), a lactonized form of MVA, are important for pharmaceutical, cosmeceutical, and biotechnological applications. Although (R, S)-MVA with 50% enantiomeric purity is mainly produced by chemical synthesis, recently, microbial fermentation processes for MVA production have been considered as an alternative to the chemical synthesis because of high enantiomeric purity [(R)-MVA] and high titer...
August 24, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28839379/characterization-of-nano-bamboo-charcoal-drug-delivery-system-for-eucommia-ulmoides-extract-and-its-anticancer-effect-in-vitro
#13
Zhaoyan Zeng, Xiangzhou Li, Sheng Zhang, Dan Huang
BACKGROUND: Nano bamboo charcoal is being widely used as sustained release carrier for chemicals for its high specific surface area, sound biocompatibility, and nontoxicity; however, there have been no reports on nano bamboo charcoal as sustained release carrier for traditional Chinese medicine (TCM). OBJECTIVE: To study the effect of nano bamboo charcoal in absorbing and sustained releasing Eucommia ulmoides extract (EUE) and to verify the in vitro anticancer effect of the sustained release liquid, so as to provide a theoretical basis for the development and utilization of nano bamboo charcoal as TCM sustained-release preparation...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28835991/characterizing-coastal-ecosystem-service-trade-offs-with-future-urban-development-in-a-tropical-city
#14
Daniel R Richards, Daniel A Friess
With rapid urbanization in the coastal zone and increasing habitat losses, it is imperative to understand how urban development affects coastal biodiversity and ecosystem service provision. Furthermore, it is important to understand how habitat fragments can best be incorporated into broader land use planning and coastal management, in order to maximize the environmental benefits they provide. In this study, we characterized the trade-offs between (a) urban development and individual mangrove environmental indicators (habitat quality and ecosystem services), and (b) between different environmental indicators in the tropical nation of Singapore...
August 23, 2017: Environmental Management
https://www.readbyqxmd.com/read/28831215/anti-diarrhea-activity-of-the-aqueous-root-bark-extract-of-byrsocarpus-coccineus-on-castor-oil-induced-diarrhea-in-wistar-rats
#15
Sunday A Ejeh, Patrick Onyeyili, Samson E Abalaka
AIM: The use of traditional medicine as an alternative source of cure for many ailments has played an important role in health care delivery in both developing and developed countries. Byrsocarpus coccineus Schum and Thonn (Connaraceae) is used in traditional medicine for treatment of various disease conditions, including diarrhea. The anti-diarrhea activity of the root bark aqueous extract of B. coccineus was investigated in this study. MATERIALS AND METHODS: Acute toxicity evaluation of the aqueous extract of B...
July 2017: Veterinary World
https://www.readbyqxmd.com/read/28827730/development-of-an-ssr-based-genetic-map-in-sesame-and-identification-of-quantitative-trait-loci-associated-with-charcoal-rot-resistance
#16
Linhai Wang, Yanxin Zhang, Xiaodong Zhu, Xiaofeng Zhu, Donghua Li, Xianmei Zhang, Yuan Gao, Guobin Xiao, Xin Wei, Xiurong Zhang
Sesame is prized for its oil. Genetic improvement of sesame can be enhanced through marker-assisted breeding. However, few simple sequence repeat (SSR) markers and SSR-based genetic maps were available in sesame. In this study, 7,357 SSR markers were developed from the sesame genome and transcriptomes, and a genetic map was constructed by generating 424 novel polymorphic markers and using a cross population with 548 recombinant inbred lines (RIL). The genetic map had 13 linkage groups, equalling the number of sesame chromosomes...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28822927/comparative-ozone-responses-of-cutleaf-coneflowers-rudbeckia-laciniata-var-digitata-var-ampla-from-rocky-mountain-and-great-smoky-mountains-national-parks-usa
#17
Howard S Neufeld, Jennifer Johnson, Robert Kohut
Cutleaf coneflower (Rudbeckia laciniata L. var. digitata) is native to Great Smoky Mountains National Park (GRSM) and an ozone bioindicator species. Variety ampla, whose ozone sensitivity is less well known, is native to Rocky Mountain National Park (ROMO). In the early 2000s, researchers found putative ozone symptoms on var. ampla and rhizomes were sent to Appalachian State University to verify that the symptoms were the result of ozone exposure. In 2011, potted plants were exposed to ambient ozone from May to August...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28814071/feasibility-of-charcoal-tattooing-of-cytology-proven-metastatic-axillary-lymph-node-at-diagnosis-and-sentinel-lymph-node-biopsy-after-neoadjuvant-chemotherapy-in-breast-cancer-patients
#18
Seho Park, Ja Seung Koo, Gun Min Kim, Joohyuk Sohn, Seung Il Kim, Young Up Cho, Byeong-Woo Park, Vivian Youngjean Park, Jung Hyun Yoon, Hee Jung Moon, Min Jung Kim, Eun-Kyung Kim
Purpose: Sentinel lymph node biopsy (SLNB) can be performed when node-positive disease is converted to node-negative status after neoadjuvant chemotherapy (NCT). Tattooing nodes might improve accuracy but supportive data are limited. This study aimed to investigate the feasibility of charcoal tattooing metastatic axillary lymph node (ALN) at presentation followed by SLNB after NCT in breast cancers. Materials and Methods: Twenty patients with cytology-proven node metastases prospectively underwent charcoal tattooing at diagnosis...
August 17, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28812394/the-use-of-sustained-low-efficiency-dialysis-sled-in-massive-paracetamol-overdose
#19
Anselm Wong, Roger L K Tong, Liam Ryan, Tim Crozier, Andis Graudins
CONTEXT: Massive paracetamol ingestion causing mitochondrial dysfunction is uncommon. Use of sustained low-efficiency dialysis (SLED) to improve acidaemia and enhance paracetamol elimination has not been previously described. CASE DETAILS: A 44-year-old male presented to the emergency department 2.5 hours post overdose of 200 g (2.5 g/kg) of paracetamol. Examination revealed a BP 85/60 mmHg, pulse 112 bpm, temperature 33.9 °C and blood glucose of 13...
August 16, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28811824/preparation-of-galla-chinensis-oral-solution-as-well-as-its-stability-safety-and-antidiarrheal-activity-evaluation
#20
Yi Yang, Huihui Luo, Xu Song, Li Yu, Juan Xie, Jiajie Yang, Renyong Jia, Juchun Lin, Yuanfeng Zou, Lixia Li, Lizi Yin, Changliang He, Xiaoxia Liang, Guizhou Yue, Zhongqiong Yin
BACKGROUND OF THE STUDY: As a widely used traditional medicine, Galla Chinensis is rich in tannins. However, there are few detailed studies about pharmaceutical preparations of Galla Chinensis tannin extract (GTE). In the present experiments, for better application and to investigate the possibility that Galla Chinensis tannin extract can be used as an antidiarrheal drug, we prepared Galla Chinensis oral solution (GOS). MATERIALS AND METHODS: GOS was prepared with GTE, and its physicochemical and microbiological stability was evaluated...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
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