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https://www.readbyqxmd.com/read/28915277/a-portable-bioelectronic-sensing-system-bessy-for-environmental-deployment-incorporating-differential-microbial-sensing-in-miniaturized-reactors
#1
Alyssa Y Zhou, Moshe Baruch, Caroline M Ajo-Franklin, Michel M Maharbiz
Current technologies are lacking in the area of deployable, in situ monitoring of complex chemicals in environmental applications. Microorganisms metabolize various chemical compounds and can be engineered to be analyte-specific making them naturally suited for robust chemical sensing. However, current electrochemical microbial biosensors use large and expensive electrochemistry equipment not suitable for on-site, real-time environmental analysis. Here we demonstrate a miniaturized, autonomous bioelectronic sensing system (BESSY) suitable for deployment for instantaneous and continuous sensing applications...
2017: PloS One
https://www.readbyqxmd.com/read/28915131/body-mass-index-and-saltwater-drowning
#2
Roger W Byard
Comparison of body mass index (BMI) was undertaken between 30 cases of salt water drowning and 30 age- and sex-matched controls randomly selected from the autopsy files of Forensic Science SA, Adelaide, Australia, during the period 2000 to 2017. The age range of drowning cases and controls was 18 to 80 (average, 49) years, with a male to female ratio of 19:11. The BMIs of the drowning cases ranged from 15.5 to 37.5 (average, 25.4; median, 23). The control cases had higher BMIs ranging from 22.9 to 44.3 (average, 29...
September 14, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28898829/sugarcane-vinasse-treatment-by-two-stage-anaerobic-membrane-bioreactor-effect-of-hydraulic-retention-time-on-changes-in-efficiency-biogas-production-and-membrane-fouling
#3
Fábio S Santos, Bárbara C Ricci, Luzia S França Neta, Míriam C S Amaral
This research investigated the effect of hydraulic retention time (HRT) on two-stage anaerobic membrane bioreactor (2-SAnMBR) performance treating sugarcane vinasse. The experimental setup consisted of an upflow acidogenic reactor and a continuous stirred methanogenic reactor, fitted with submersed microfiltration hollow-fiber membranes. The results indicated excellent performance and robustness of 2-SAnMBR. The reduction in HRT of 5.3-3.1days did not cause loss of its performance. The 2-SAnMBR showed high capacity of removing organic matter (97%), producing biogas (6...
August 24, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28890175/effect-of-the-pulmonary-deposition-and-in-vitro-permeability-on-the-prediction-of-plasma-levels-of-inhaled-budesonide-formulation
#4
Sharareh Salar-Behzadi, Shengqian Wu, Annalisa Mercuri, Claudia Meindl, Sandra Stranzinger, Eleonore Fröhlich
The growing interest in the inhalable pharmaceutical products requires advanced approaches to safe and fast product development, such as in silico tools that can be used for estimating the bioavailability and toxicity of developed formulation. GastroPlus™ is one of the few available software packages for in silico simulation of PBPK profile of inhalable products. It contains a complementary module for calculating the lung deposition, the permeability and the systemic absorption of inhalable products. Experimental values of lung deposition and permeability can also be used...
September 7, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28840329/organ-and-effective-dose-rate-coefficients-for-submersion-exposure-in-occupational-settings
#5
K G Veinot, S A Dewji, M M Hiller, K F Eckerman, C E Easterly
External dose coefficients for environmental exposure scenarios are often computed using assumption on infinite or semi-infinite radiation sources. For example, in the case of a person standing on contaminated ground, the source is assumed to be distributed at a given depth (or between various depths) and extending outwards to an essentially infinite distance. In the case of exposure to contaminated air, the person is modeled as standing within a cloud of infinite, or semi-infinite, source distribution. However, these scenarios do not mimic common workplace environments where scatter off walls and ceilings may significantly alter the energy spectrum and dose coefficients...
August 24, 2017: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/28833853/the-pediatric-submersion-score-predicts-children-at-low-risk-for-injury-following-submersions
#6
Rohit P Shenoi, Sachin Allahabadi, Daniel M Rubalcava, Elizabeth A Camp
INTRODUCTION: Pediatric submersion victims often require admission. We wanted to identify a cohort of children at low risk for submersion-related injury who can be safely discharged from the emergency department (ED) after a period of observation. METHODS: This was a single-center retrospective derivation/validation cross-sectional study of children (0-18 years) who presented post-submersion to a tertiary-care, children's hospital ED from 2008-2015. We reviewed demographics, comorbidities, prehospital and ED course...
August 18, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28832830/using-in-situ-flow-cytometry-images-of-ciliates-and-dinoflagellates-for-aquatic-system-monitoring
#7
G C Pereira, A R Figueiredo, N F F Ebecken
Short-period variability in plankton communities is poorly documented, especially for variations occurring in specific groups in the assemblage because traditional analysis is laborious and time-consuming. Moreover, it does not allow the high sampling frequency required for decision making. To overcome this limitation, we tested the submersible CytoSub flow cytometer. This device was anchored at a distance of approximately 10 metres from the low tide line at a depth of 1.5 metres for 12 hours to monitor the plankton at a site in the biological reserve of Barra da Tijuca beach, Rio de Janeiro...
August 17, 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/28818843/seizures-safety-and-submersion-sense-and-sensibility
#8
EDITORIAL
Richard E Appleton
No abstract text is available yet for this article.
August 17, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28799951/surface-engineered-blood-adsorption-device-for-hyperphosphatemia-treatment
#9
Quan Shi, Michael Jolly, Marian G Mccord, Melanie S Joy
Correspondence: Melanie S. Joy, PharmD, PhD, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmaceutical Sciences, Mail Stop C238, Room V20-4108, 12850 East Montview Blvd, Aurora, CO 80045. Email: Melanie.Joy@ucdenver.eduThe research employed surface engineering methods to develop, optimize, and characterize a novel textile-based hemoadsorption device for hyperphosphatemia in hemodialysis-dependent end-stage kidney disease. Phosphate adsorbent fabrics (PAFs) were prepared by thermopressing alumina powders to polyester filtration fabrics and treatment with trimesic acid (TMA)...
August 8, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28796753/comparative-study-of-radon-concentration-with-two-techniques-and-elemental-analysis-in-drinking-water-samples-of-the-jammu-district-jammu-and-kashmir-india
#10
COMPARATIVE STUDY
Ajay Kumar, Manpreet Kaur, Rohit Mehra, Dinesh Kumar Sharma, Rosaline Mishra
The level of radon concentration has been assessed using the Advanced SMART RnDuo technique in 30 drinking water samples from Jammu district, Jammu and Kashmir, India. The water samples were collected from wells, hand pumps, submersible pumps, and stored waters. The randomly obtained 14 values of radon concentration in water sources using the SMART RnDuo technique have been compared and cross checked by a RAD7 device. A good positive correlation (R = 0.88) has been observed between the two techniques. The overall value of radon concentration in various water sources has ranged from 2...
October 2017: Health Physics
https://www.readbyqxmd.com/read/28773998/optimizing-a-test-method-to-evaluate-resistance-of-pervious-concrete-to-cycles-of-freezing-and-thawing-in-the-presence-of-different-deicing-salts
#11
Chehong Tsang, Medhat H Shehata, Abdurrahmaan Lotfy
The lack of a standard test method for evaluating the resistance of pervious concrete to cycles of freezing and thawing in the presence of deicing salts is the motive behind this study. Different sample size and geometry, cycle duration, and level of submersion in brine solutions were investigated to achieve an optimized test method. The optimized test method was able to produce different levels of damage when different types of deicing salts were used. The optimized duration of one cycle was found to be 24 h with twelve hours of freezing at -18 °C and twelve hours of thawing at +21 °C, with the bottom 10 mm of the sample submerged in the brine solution...
October 28, 2016: Materials
https://www.readbyqxmd.com/read/28760591/the-hairy-lizard-heterothermia-affects-anaesthetic-requirements-in-the-arabian-oryx-oryx-leucoryx
#12
Mads F Bertelsen, Osama Mohammed, Tobias Wang, Paul R Manger, David Michael Scantlebury, Khairi Ismael, Nigel C Bennett, Abdulaziz Alagaili
OBJECTIVE: To study the effect of heterothermia on anaesthetic drug requirements in semi-free ranging Arabian oryx and to assess the temperature quotient (Q10) of oxygen consumption. STUDY DESIGN: Prospective observational study and controlled metabolic experiment. ANIMALS: Sixty-eight anaesthetic events in 59 Arabian oryx from Mahazat As-Sayd protected area, Saudi Arabia METHODS: Anaesthesia was induced by remote injection of 25 mg ketamine, 10 mg midazolam and 0...
March 6, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28754034/effect-of-cultivation-ph-on-the-surface-hydrophobicity-of-bacillus-subtilis-spores
#13
Elisabeth Eschlbeck, Simon A W Bauer, Ulrich Kulozik
Bacillus subtilis spores are often used as biological indicators (BI) to monitor decontamination processes with gaseous hydrogen peroxide. Results in practical inactivation validation tests, however, vary considerably with no available explanation so far. This study reports on the effect of cultivation pH on spore surface hydrophobicity. Surface hydrophobicity is suspected to have an impact on the decontamination of technical surfaces such as packaging material when gaseous, condensing hydrogen peroxide is applied...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28751530/a-10-year-review-of-child-injury-hospitalisations-health-outcomes-and-treatment-costs-in-australia
#14
Rebecca J Mitchell, Kate Curtis, Kim Foster
BACKGROUND: Childhood injury is a leading cause of hospitalisation, yet there has been no comprehensive examination of child injury and survival over time in Australia. To examine the characteristics, temporal trend and survival for children who were hospitalised as a result of injury in Australia. METHOD: A retrospective examination of linked hospitalisation and mortality data for injured children aged 16 years or less during 1 July 2001 to 30 June 2012. Negative binomial regression examined change in injury hospitalisation trends...
July 27, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28719478/a-review-of-nonfatal-drowning-in-the-pediatric-age-group-a-10-year-experience-at-a-university-hospital-in-saudi-arabia
#15
Faisal O Al-Qurashi, Abdullah A Yousef, Abdullah Aljoudi, Saleh M Alzahrani, Nasser Y Al-Jawder, Abdulrahman K Al-Ahmar, Mosab S Al-Majed, Hussam M Abouollo
OBJECTIVE: The aim of this study was to evaluate the nonfatal drowning experience, risk factors, intrahospital assessment and postincidental outcomes for children admitted to King Fahd Hospital of the University, AlKhobar, Saudi Arabia, over a 10-year period. METHODS: Children up to the age of 14 years who were admitted with the diagnosis of nonfatal drowning from July 2005 to June 2015 were included. Data regarding demographics, timing, season and location of drowning, presence of an assigned lifeguard, duration of submersion and transport to hospital, cardiopulmonary resuscitation, initial Glasgow Coma Scale, temperature, pH, blood sugar level, total hospital stay, and discharge status were extrapolated, and their effects on the patient's outcome analyzed...
July 17, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28718028/predicting-attenuation-of-solar-radiation-uv-b-uv-a-and-par-in-waste-stabilization-ponds-under-sahelian-climatic-conditions
#16
Ynoussa Maiga, Joseph Wethé, Aboubakar Sidiki Ouattara, Alfred S Traoré
Because of its importance in pathogen removal and algal productivity in waste stabilization ponds, sunlight penetration was measured in microcosms and in situ under Sahelian climatic conditions. The different wavelengths were detected using a submersible radiometer equipped with three sensors: UV-B (311 nm), UV-A (369 nm) and photosynthetically available radiation (PAR, 400-700 nm). UV-B was more attenuated than UV-A and PAR. Facultative pond was more light-attenuating than maturation pond. The mean euphotic depths for UV-B were 0...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28715890/spring-melt-and-the-redistribution-of-organochlorine-pesticides-in-the-sea-ice-environment-a-comparative-study-between-arctic-and-antarctic-regions
#17
Marie Bigot, Darryl W Hawker, Roger Cropp, Derek Cg Muir, Bjarne Jensen, Rossana Bossi, Susan M Bengtson Nash
Complementary sampling of air, snow, sea-ice, and seawater for a range of organochlorine pesticides (OCPs) was undertaken through the early stages of respective spring sea-ice melting at coastal sites in northeast Greenland and eastern Antarctica to investigate OCP concentrations and redistribution during this time. Mean concentrations in seawater, sea-ice and snow were generally greater at the Arctic site. For example, α-HCH was found to have the largest concentrations of all analytes in Arctic seawater and sea-ice meltwater samples (224-253 and 34...
August 2, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28696147/effects-of-desiccation-practices-of-cultured-atlantic-oysters-crassostrea-virginica-on-vibrio-spp-in-portersville-bay-alabama-usa
#18
Stephanie M Grodeska, Jessica L Jones, Covadonga R Arias, William C Walton
The expansion of off-bottom aquaculture to the Gulf of Mexico has raised public health concerns for human health officials. High temperatures in the Gulf of Mexico are associated with high levels of Vibrio parahaemolyticus and Vibrio vulnificus. Routine desiccation practices associated with off-bottom aquaculture expose oysters to ambient air, allowing Vibrio spp. to proliferate in the closed oyster. Currently, there is limited research on the length of time needed for Vibrio spp. levels in desiccated oysters to return to background levels, defined as the levels found in oysters that remain continually submersed and not exposed to ambient air...
July 11, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28634326/a-chrysoporthe-cubensis-enzyme-cocktail-produced-from-a-low-cost-carbon-source-with-high-biomass-hydrolysis-efficiency
#19
Thiago Rodrigues Dutra, Valéria Monteze Guimarães, Ednilson Mascarenhas Varela, Lílian da Silva Fialho, Adriane Maria Ferreira Milagres, Daniel Luciano Falkoski, José Cola Zanuncio, Sebastião Tavares de Rezende
Low cost and high efficiency cellulolytic cocktails can consolidate lignocellulosic ethanol technologies. Sugarcane bagasse (SCB) is a low cost agro-industrial residue, and its use as a carbon source can reduce the costs of fungi cultivation for enzyme production. Chrysoporthe cubensis grown under solid state fermentation (SSF) with wheat bran has potential to produce efficient enzymatic extracts for SCB saccharification. This fungus was grown under submersed fermentation (SmF) and SSF with in natura SCB, pretreated with acid or alkali and with others carbon sources...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28605869/does-the-responses-of-vallisneria-natans-lour-hara-to-high-nitrogen-loading-differ-between-the-summer-high-growth-season-and-the-low-growth-season
#20
Qing Yu, Hai-Jun Wang, Hong-Zhu Wang, Yan Li, Xiao-Min Liang, Chi Xu, Erik Jeppesen
Loss of submersed macrophytes is a world-wide phenomenon occurring when shallow lakes become eutrophic due to excess nutrient loading. In addition to the well-known effect of phosphorus, nitrogen as a trigger of macrophyte decline has received increasing attention. The precise impact of high nitrogen concentrations is debated, and the role of different candidate factors may well change over the season. In this study, we conducted experiments with Vallisneria natans during the growing season (June-September) in 10 ponds subjected to substantial differences in nitrogen loading (five targeted total nitrogen concentrations: control, 2, 10, 20, and 100mgL(-1)) and compared the results with those obtained in our earlier published study from the low-growth season (December-April)...
December 1, 2017: Science of the Total Environment
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