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https://www.readbyqxmd.com/read/28429198/managing-the-perioperative-patient-on-direct-oral-anticoagulants
#1
Jordan Leitch, Janet van Vlymen
PURPOSE: Patients are increasingly treated with direct oral anticoagulants (DOACs) for the prevention of stroke due to non-valvular atrial fibrillation and for the treatment of venous thromboembolism. When these patients present for urgent or emergent surgical procedures, they present a challenge to the anesthesiologist who must manage perioperative risk due to anticoagulation. The purpose of this module is to review the literature surrounding the perioperative management of DOACs. Timing, laboratory monitoring, and availability of reversal agents are important considerations to optimize patients being treated with DOACs who require emergent surgery...
April 20, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28427112/acute-encephalopathy-in-a-2-year-old-pot-bellied-pig-following-accidental-intoxication-with-clonazepam
#2
Emilie L Setlakwe, Amy L Johnson
OBJECTIVE: To describe a case of successful management of clonazepam toxicity causing encephalopathy in a pot-bellied pig. CASE SUMMARY: A 2-year-old female pot-bellied pig weighing 13.5 kg was presented for evaluation of clinical signs of acute encephalopathy. Based on the animal's history and clinical signs, a tentative diagnosis of benzodiazepine (BZP) intoxication was made. The results of a urinary drug screening test designed to detect illicit substances in human urine indicated benzodiazepine exposure...
April 20, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28425455/the-effect-of-hydraulic-flowback-and-produced-water-on-gill-morphology-oxidative-stress-and-antioxidant-response-in-rainbow-trout-oncorhynchus-mykiss
#3
Tamzin A Blewett, Alyssa M Weinrauch, Perrine L M Delompré, Greg G Goss
Hydraulic fracturing fluid are complex mixtures containing high concentrations of salts (up to 330,000 ppm), organic, and metal contaminants. However, little data exist on the potential mechanisms of toxicity of these flowback and produced wastewaters (FPW) on aquatic biota. Juvenile rainbow trout were exposed to either control, FPW (2.5 or 7.5%), FPW that had been treated with activated charcoal (AC), or a custom salt-matched control (SW; replicating only the salt content of FPW) for 48 hours. Gill histology revealed decreases in interlamellar cell mass (ILCM) and mean lamellar length in all treatments (FPW, AC and SW) compared to control, indicative of hyperosmotic stress...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28413934/commonly-used-air-filters-fail-to-eliminate-secondhand-smoke-induced-oxidative-stress-and-inflammatory-responses
#4
Thivanka Muthumalage, Karen Pritsos, Kenneth Hunter, Chris Pritsos
Secondhand smoke (SHS) causes approximately 50,000 deaths per year. Despite all the health warnings, smoking is still allowed indoors in many states exposing both workers and patrons to SHS on a daily basis. The opponents of smoking bans suggest that the present day air filtration systems remove the health hazards of exposure to SHS. In this study, using an acute SHS exposure model, we looked at the impact of commonly used air filters (MERV 8 pleated and MERV 8 pleated activated charcoal) on SHS by assessing the inflammatory response and the oxidative stress response in C57BL/6 mice...
April 16, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28411425/thoron-mitigation-system-based-on-charcoal-bed-for-applications-in-thorium-fuel-cycle-facilities-part-1-development-of-theoretical-models-for-design-considerations
#5
B K Sahoo, K Sudeep Kumara, N Karunakara, J J Gaware, B K Sapra, Y S Mayya
Regulating the environmental discharge of (220)Rn (historically known as thoron) and its decay products from thorium processing facilities is important for protection of environment and general public living in the vicinities. Activated charcoal provides an effective solution to this problem because of its high adsorption capacity to gaseous element like radon. In order to design and develop a charcoal based Thoron Mitigation System, a mathematical model has been developed in the present work for studying the (220)Rn transport and adsorption in a flow through charcoal bed and estimating the (220)Rn mitigation factor (MF) as a function of system and operating parameters...
April 12, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28400780/overexpression-of-a-new-osmotin-like-protein-gene-sindolp-confers-tolerance-against-biotic-and-abiotic-stresses-in-sesame
#6
Supriyo Chowdhury, Arpita Basu, Surekha Kundu
Osmotin-like proteins (OLPs), of PR-5 family, mediate defense against abiotic, and biotic stresses in plants. Overexpression in sesame of an OLP gene (SindOLP), enhanced tolerance against drought, salinity, oxidative stress, and the charcoal rot pathogen. SindOLP was expressed in all parts and localized to the cytosol. The transgenic plants recovered after prolonged drought and salinity stress, showing less electrolyte leakage, more water content, longer roots, and smaller stomatal aperture compared to control plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28396325/metabolic-genetic-screens-reveal-multidimensional-regulation-of-virulence-gene-expression-in-listeria-monocytogenes-and-an-aminopeptidase-that-is-critical-for-prfa-protein-activation
#7
Sivan Friedman, Marika Linsky, Lior Lobel, Lev Rabinovich, Nadejda Sigal, Anat A Herskovits
Listeria monocytogenes is an environmental saprophyte and intracellular bacterial pathogen. Upon invading mammalian cells, the bacterium senses abrupt changes in its metabolic environment, which are rapidly transduced to regulation of virulence gene expression. To explore the relationship between L. monocytogenes metabolism and virulence, we monitored virulence gene expression dynamics across a library of genetic mutants grown under two metabolic conditions known to activate the virulent state: charcoal-treated rich medium containing glucose 1-phosphate and minimal defined medium containing limiting concentrations of branched-chain amino acids (BCAAs)...
April 10, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28383578/a-novel-electroluminescent-device-based-on-a-reduced-graphene-oxide-wrapped-phosphor-zns-cu-al-and-hexagonal-boron-nitride-for-high-performance-luminescence
#8
Bipin Kumar Gupta, Satbir Singh, Garima Kedawat, Kanika, Pawan Kumar, Amit Kumar Gangwar, Tharangattu N Narayanan, Angel A Marti, Robert Vajtai, P M Ajayan
Reduced graphene oxide (rGO) has recently emerged as a very promising family of exotic carbon material with augmented performance in electronic and optoelectronic devices. Herein, we report an efficient and novel inorganic electroluminescent device geometry, where a new phosphor composite, reduced graphene oxide wrapped ZnS:Cu,Al, acts as an active emitting layer and an exfoliated hexagonal boron nitride (h-BN) as a dielectric layer. The roles of rGO in the active layer as a conductive support and local electric field enhancing agent are attributed to its wrinkles being unraveled compared with other carbon exotic nano-forms such as carbon nanotubes, graphite, charcoal and activated carbon, which significantly improves the brightness of the device (∼50 cd m(-2) for 0...
April 6, 2017: Nanoscale
https://www.readbyqxmd.com/read/28381770/a-new-strategy-to-refine-crude-indian-sardine-oil
#9
S Charanyaa, Prasanna D Belur, I Regupathi
Current work aims to develop a refining process for removing phospholipids, free fatty acids (FFA), and metal ions without affecting n-3 polyunsaturated fatty acid (n-3 PUFA) esters present in the crude Indian sardine oil. Sardine oil was subjected to degumming with various acids (orthophosphoric acid, acetic acid, and lactic acid), conventional and membrane assisted deacidification using various solvents (methanol, ethanol, propanol and butanol) and bleaching with bleaching agents (GAC, activated earth and bentonite) and all the process parameters were further optimized...
April 4, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28377830/methods-to-reduce-forest-residue-volume-after-timber-harvesting-and-produce-black-carbon
#10
Deborah S Page-Dumroese, Matt D Busse, James G Archuleta, Darren McAvoy, Eric Roussel
Forest restoration often includes thinning to reduce tree density and improve ecosystem processes and function while also reducing the risk of wildfire or insect and disease outbreaks. However, one drawback of these restoration treatments is that slash is often burned in piles that may damage the soil and require further restoration activities. Pile burning is currently used on many forest sites as the preferred method for residue disposal because piles can be burned at various times of the year and are usually more controlled than broadcast burns...
2017: Scientifica
https://www.readbyqxmd.com/read/28376868/evaluation-of-the-anti-diarrheal-activity-of-the-aqueous-stem-extract-of-lantana-camara-linn-verbenaceae-in-mice
#11
Edlam Tadesse, Ephrem Engidawork, Teshome Nedi, Getnet Mengistu
BACKGROUND: Diarrheal disease remains a public health problem in developing countries, including Ethiopia. In order to alleviate this disease, Ethiopian traditional healers use a wide range of medicinal plants from which Lantana camara is one of them. The stem of this plant is traditionally used for the treatment of diarrhoea. In addition, this plant is scientifically evaluated to have an antispasmodic effect on in vitro study. The aim of this study was to evaluate the antidiarrheal activity of the aqueous stem extract of L...
April 4, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28376842/pattern-of-acute-organophosphorus-poisoning-at-university-of-gondar-teaching-hospital-northwest-ethiopia
#12
Getnet Mequanint Adinew, Assefa Belay Asrie, Eshetie Melese Birru
BACKGROUND: Despite the apparent benefits of organophosphate compounds (OPCs) acute organophosphate (OP) pesticide poison is an increasing problem worldwide. In a country like Ethiopia, where agriculture is a major component of the economy, these compounds are readily available to the general public. There is paucity of evidence from Ethiopia showing the pattern of organophosphate poisoning (OPP) in healthcare facilities. The objective of this study was to evaluate retrospectively the pattern of acute OPP at the University of Gondar Teaching Hospital in northwest Ethiopia, during September 2010 through December 2014 was conducted...
April 4, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28374512/pharmacokinetic-analysis-of-inhaled-salmeterol-in-asthma-patients-evidence-from-two-dry-powder-inhalers
#13
Konstantina Soulele, Panos Macheras, Vangelis Karalis
Salmeterol (SAL) is a long-acting β2-adrenergic agonist, which is widely used in the asthma therapy. The aim of this study was to investigate the pharmacokinetics (PK) of inhaled SAL in asthma patients using two different dry powder inhalers. This analysis was based on data from 45 subjects who participated in a two-sequence, four period crossover bioequivalence (BE) study after single administration of the test (T) and reference (R) products. In order to mimic more closely the real treatment conditions, activated charcoal was not co-administered...
April 3, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/28373761/gastrointestinal-bleeding-in-patients-on-novel-oral-anticoagulants-risk-prevention-and-management
#14
REVIEW
Ka-Shing Cheung, Wai K Leung
Novel oral anticoagulants (NOACs), which include direct thrombin inhibitor (dabigatran) and direct factor Xa inhibitors (rivaroxaban, apixaban and edoxaban), are gaining popularity in the prevention of embolic stroke in non-valvular atrial fibrillation as well as in the prevention and treatment of venous thromboembolism. However, similar to traditional anticoagulants, NOACs have the side effects of bleeding, including gastrointestinal bleeding (GIB). Results from both randomized clinical trials and observations studies suggest that high-dose dabigatran (150 mg b...
March 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28361245/detoxification-of-sap-from-felled-oil-palm-trunks-for-the-efficient-production-of-lactic-acid
#15
Balakrishnan Kunasundari, Takamitsu Arai, Kumar Sudesh, Rokiah Hashim, Othman Sulaiman, Natra Joseph Stalin, Akihiko Kosugi
The availability of fermentable sugars in high concentrations in the sap of felled oil palm trunks and the thermophilic nature of the recently isolated Bacillus coagulans strain 191 were exploited for lactic acid production under non-sterile conditions. Screening indicated that strain 191 was active toward most sugars including sucrose, which is a major component of sap. Strain 191 catalyzed a moderate conversion of sap sugars to lactic acid (53%) with a productivity of 1.56 g/L/h. Pretreatment of oil palm sap (OPS) using alkaline precipitation improved the sugar fermentability, providing a lactic acid yield of 92% and productivity of 2...
March 30, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28360881/hemostasis-in-intracranial-hemorrhage
#16
REVIEW
Deepak Gulati, Dharti Dua, Michel T Torbey
Spontaneous non-traumatic intracerebral hemorrhage (ICH) is associated with high morbidity and mortality throughout the world with no proven effective treatment. Majority of hematoma expansion occur within 4 h after symptom onset and is associated with early deterioration and poor clinical outcome. There is a vital role of ultra-early hemostatic therapy in ICH to limit hematoma expansion. Patients at risk for hematoma expansion are with underlying hemostatic abnormalities. Treatment strategy should include appropriate intervention based on the history of use of antithrombotic use or an underlying coagulopathy in patients with ICH...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28357794/chemical-investigation-and-quality-of-urban-dew-collections-with-dust-precipitates
#17
Issam Odeh, Sharif Arar, Afnan Al-Hunaiti, Hiyam Sa'aydeh, Ghada Hammad, Jonathan Duplissy, Henri Vuollekoski, Antti Korpela, Tuukka Petäjä, Markku Kulmala, Tareq Hussein
The quality and chemical composition of urban dew collections with dust precipitates without pre-cleaning of the collecting surface WSF (white standard foil) were investigated for 16 out of 20 collected samples with collected volumes ranging from 22 to 230 ml. The collection period was from March to July 2015 at an urban area, Jubaiha, which is located in the northern part of the capital city Amman, Jordan. The obtained results indicated the predominance of Ca(2+) and SO4(2-) ions (ratio 2.2:1) that originated from Saharan soil dust; where the collected samples were alkaline (mean pH = 7...
March 29, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28352230/lead-induced-hepato-renal-damage-in-male-albino-rats-and-effects-of-activated-charcoal
#18
Samuel J Offor, Herbert O C Mbagwu, Orish E Orisakwe
Lead is a multi-organ toxicant implicated in various cancers, diseases of the hepatic, renal, and reproductive systems etc. In search of cheap and readily available antidote this study has investigated the role of activated charcoal in chronic lead exposure in albino rats. Eighteen mature male albino rats were used, divided into three groups of six rats per group. Group 1 (control rats) received deionised water (10 ml/kg), group 2 was given lead acetate solution 60 mg/kg and group 3 rats were given lead acetate (60 mg/kg) followed by Activated charcoal, AC (1000 mg/kg) by oral gavage daily for 28 days...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28352183/clinical-characteristics-of-zinc-phosphide-poisoning-in-thailand
#19
Satariya Trakulsrichai, Natcha Kosanyawat, Pongsakorn Atiksawedparit, Charuwan Sriapha, Achara Tongpoo, Umaporn Udomsubpayakul, Panee Rittilert, Winai Wananukul
OBJECTIVE: The objectives of this study were to describe the clinical characteristics and outcomes of poisoning by zinc phosphide, a common rodenticide in Thailand, and to evaluate whether these outcomes can be prognosticated by the clinical presentation. MATERIALS AND METHODS: A 3-year retrospective cohort study was performed using data from the Ramathibodi Poison Center Toxic Exposure Surveillance System. RESULTS: In total, 455 poisonings were identified...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28330274/evaluation-of-some-lignocellulosic-byproducts-of-food-industry-for-microbial-xylitol-production-by-candida-tropicalis
#20
Kubra Eryasar, Seda Karasu-Yalcin
Some lignocellulosic food byproducts such as potato peels, wheat bran, barley bran and chestnut shells were evaluated as potential sources of xylose for microbial xylitol production by yeasts. Potential yeast strains were selected after screening xylitol production of some indigenous yeasts in a defined fermentation medium. Candida tropicalis strains gave the highest results with 83.28 and 54.07 g/L xylitol production from 100 g/L xylose. Lignocellulosic materials were exposed to acid hydrolysis at different conditions...
December 2016: 3 Biotech
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