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https://www.readbyqxmd.com/read/28430618/t-2-mycotoxin-toxicological-effects-and-decontamination-strategies
#1
REVIEW
Manish Adhikari, Bhawana Negi, Neha Kaushik, Anupriya Adhikari, Abdulaziz A Al-Khedhairy, Nagendra Kumar Kaushik, Eun Ha Choi
Mycotoxins are highly diverse secondary metabolites produced in nature by a wide variety of fungus which causes food contamination, resulting in mycotoxicosis in animals and humans. In particular, trichothecenes mycotoxin produced by genus fusarium is agriculturally more important worldwide due to the potential health hazards they pose. It is mainly metabolized and eliminated after ingestion, yielding more than 20 metabolites with the hydroxy trichothecenes-2 toxin being the major metabolite. Trichothecene is hazardously intoxicating due to their additional potential to be topically absorbed, and their metabolites affect the gastrointestinal tract, skin, kidney, liver, and immune and hematopoietic progenitor cellular systems...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430301/towards-a-bioengineered-kidney-recellularization-strategies-for-decellularized-native-kidney-scaffolds
#2
Michele Fedecostante, Oana G Onciu, Koen G C Westphal, Rosalinde Masereeuw
Patients with end-stage renal disease often undergo dialysis as a partial substitute for kidney function while waiting for their only treatment option: a kidney transplant. Several research directions emerged for alternatives in support of the ever-growing numbers of patients. Recent years brought big steps forward in the field, with researchers questioning and improving the current dialysis devices as well as moving towards the design of a bioengineered kidney. Whole-organ engineering is also being explored as a possibility, making use of animal or human kidney scaffolds for engineering a transplantable organ...
April 20, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28427112/acute-encephalopathy-in-a-2-year-old-pot-bellied-pig-following-accidental-intoxication-with-clonazepam
#3
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/28426382/effectiveness-of-hand-washing-on-the-removal-of-iron-oxide-nanoparticles-from-human-skin-ex-vivo
#4
Nastassja A Lewinski, Aurélie Berthet, Lionel Maurizi, Antoine Eisenbeis, Nancy B Hopf
In this study, the effectiveness of washing with soap and water in removing nanoparticles from exposed skin was investigated. Dry, nanoscale hematite (α-Fe2O3) or maghemite (γ-Fe2O3) powder, with primary particle diameters between 20-30 nm, were applied to two samples each of fresh and frozen ex vivo human skin in two independent experiments. The permeation of nanoparticles through skin, and the removal of nanoparticles after washing with soap and water were investigated. Bare iron oxide nanoparticles remained primarily on the surface of the skin, without penetrating beyond the stratum corneum...
April 20, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28423996/assessing-user-acceptance-towards-automated-and-conventional-sink-use-for-hand-decontamination-using-the-technology-acceptance-model
#5
Carolyn Dawson, Jamie Mackrill, Rebecca Cain
Hand hygiene (HH) prevents harmful contaminants spreading in settings including domestic, healthcare and food handling. Strategies to improve HH range from behavioural techniques through to automated sinks that ensure hand surface cleaning. This study aimed to assess user experience and acceptance towards a new automated sink, compared to a normal sink. An adapted version of the Technology Acceptance Model (TAM) assessed each mode of handwashing. A within-subjects design enabled N=46 participants to evaluate both sinks...
April 20, 2017: Ergonomics
https://www.readbyqxmd.com/read/28418639/supermagnetically-tuned-halloysite-nanotubes-functionalized-with-aminosilane-for-covalent-laccase-immobilization
#6
Avinash A Kadam, Jiseon Jang, Dae Sung Lee
Halloysite nanotubes (HNTs) were tuned with supermagnetic Fe3O4 (M-HNTs) and functionalized with γ-aminopropyltriethoxysilane (APTES) (A-M-HNTs). Gluteraldehyde (GTA) was linked to A-M-HNTs (A-M-HNTs-GTA) and explored for the covalent laccase immobilization. The structural characterization of M-HNTs, A-M-HNTs, and A-M-HNTs-GTA immobilized laccase (A-M-HNTs-GTA-Lac) was determined by X-ray photoelectron spectroscopy, field-emission high resolution transmission electron microscopy, magnetic property measurement system, and thermogavimetric analyses...
April 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28418487/notice-of-retraction-and-replacement-oostdijk-et-al-effects-of-decontamination-of-the-oropharynx-and-intestinal-tract-on-antibiotic-resistance-in-icus-a-randomized-clinical-trial-jama-2014-312-14-1429-1437
#7
Evelien A N Oostdijk, Jozef Kesecioglu, Marcus J Schultz, Caroline E Visser, Evert de Jonge, Einar H R van Essen, Alexandra T Bernards, Ilse Purmer, Roland Brimicombe, Dennis Bergmans, Frank van Tiel, Frank H Bosch, Ellen Mascini, Arjanne van Griethuysen, Alexander Bindels, Arjan Jansz, Fred A L van Steveninck, Wil C van der Zwet, Jan Willem Fijen, Steven Thijsen, Remko de Jong, Joke Oudbier, Adrienne Raben, Eric van der Vorm, Mirelle Koeman, Philip Rothbarth, Annemieke Rijkeboer, Paul Gruteke, Helga Hart, Paul Peerbooms, Lex J Winsser, Anne-Marie W van Elsacker-Niele, Kees Demmendaal, Afke Brandenburg, Anne Marie G A de Smet, Marc J M Bonten
No abstract text is available yet for this article.
April 18, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28414421/shape-controlled-metal-free-catalysts-facet-sensitive-catalytic-activity-induced-by-the-arrangement-pattern-of-noncovalent-supramolecular-chains
#8
Guangwei Geng, Penglei Chen, Bo Guan, Lang Jiang, Zhongfei Xu, Dawei Di, Zeyi Tu, Weichang Hao, Yuanping Yi, Chuncheng Chen, Minghua Liu, Wenping Hu
Metal-free catalytic materials have recently received broad attention as promising alternatives to metal-involved catalysts. This is owing to their inherent capability to overcome the inevitable limitations of metal-involved catalysts, such as high sensitivity to poisoning, the limited reserves, high cost and scarcity of metals (especially noble metals), etc. However, the lack of shape-controlled metal-free catalysts with well-defined facets is a formidable bottleneck limiting our understandings on the underlying structure-activity relationship at atomic/molecular level, which thereby restrains their rational design...
April 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28413994/biological-methods-for-heavy-metal-decontamination-a-patent-review
#9
Vinay Sharma, Rupesh K Mishra
BACKGROUND: In the modern age of globalization and fast industrialization, the environmental matters are fetching more and more annoyance for human being. Heavy metals occur in immobilized form in sediments and as aggregates in nature. However due to the different human activities like ore mining and industrial processes, the natural biogeochemical cycles are disordered instigating amplified deposition of heavy metals in aquatic environments. The most common pollution causing heavy metals are considered to be the mercury, arsenic, lead, copper, silver, cadmium...
April 17, 2017: Recent Patents on Biotechnology
https://www.readbyqxmd.com/read/28413105/investigation-of-omnigene%C3%A2-sputum-performance-in-delayed-tuberculosis-testing-by-smear-culture-and-xpert-mycobacterium-tuberculosis-rif-assays-in-uganda
#10
Cassandra D Kelly-Cirino, P S Curry
OMNIgene·SPUTUM (OM-S) is a sample transport reagent designed to work with all tuberculosis diagnostics while eliminating the need for cold chain. OM-S-treated sputum samples were assayed in several tests after multiday holds. Raw sputa from 100 patients underwent direct smear microscopy, were manually split and assigned to the OM-S group [OM-S added at collection (no other processing required) and tested after 0- to 5-day holds at room temperature] or standard-of-care (SOC) group (NaOH/N-acetyl l-cysteine decontamination, all tested on day of collection)...
April 13, 2017: Journal of Epidemiology and Global Health
https://www.readbyqxmd.com/read/28406630/dual-functional-ultrafiltration-membrane-for-simultaneous-removal-of-multiple-pollutants-with-high-performance
#11
Shunlong Pan, Jiansheng Li, Owen Noonan, Xiaofeng Fang, Gaojie Wan, Chengzhong Yu, Lianjun Wang
Simultaneous removal of multiple pollutants from aqueous solution with less energy consumption is crucial in water purification. Here, a novel concept of dual-functional ultrafiltration (DFUF) membrane is demonstrated by entrapment of nano-structured adsorbents into the finger-like pores of ultrafiltration (UF) membrane rather than in the membrane matrix in previous reports of blend membranes, resulting in an exceptionally high active content and simultaneous removal of multiple pollutants from water due to the dual functions of rejection and adsorption...
April 13, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28406362/evaluation-of-coverall-field-dry-aerosol-decontamination-methods-using-a-manikin
#12
J M Slagley, H Paschold, J M Engler
A full-size manikin dressed in fire-resistant coveralls coated in 120 grams of sodium bicarbonate was randomly given one of three treatments for dry aerosol decontamination. The three treatments were high-efficiency particulate air (HEPA) vacuum, a commercially-available air shower, and the no treatment control. Immediately after the treatment, the coveralls were doffed and an air sample was taken in the breathing zone of the manikin to estimate airborne total and respirable dust concentrations to an unprotected worker post decontamination...
April 13, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28405039/disinfection-of-laryngoscopes-a-survey-of-practice
#13
Vaishali Prabhakar Chaskar, Nandini Malay Dave, Raylene Dias, Priyanka Karnik
BACKGROUND AND AIMS: The laryngoscope is a common piece of equipment used by anaesthesiologists. It has been identified as a potential source of cross infection. Although guidelines exist regarding appropriate disinfection practices, recent reviews suggest ineffectiveness of current methods of disinfection and poor compliance with the established protocols. We conducted a questionnaire-based survey to study the current disinfection practices being followed by a cross section of anaesthesiologists...
March 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28402350/various-tip-applications-and-temperature-changes-of-er-cr-ysgg-laser-irradiated-implants-in-vitro
#14
Georgios E Romanos, Nicholas J Montanaro, Danielle Sacks, Robert J Miller, Fawad Javed, Jose Luis Calvo-Guirado, Rafael A Delgado-Ruiz
The impact of the laser tip on implant temperature when irradiating implants with lasers to treat peri-implantitis has received little attention. The present study was designed to assess the influence of two laser tips (sapphire chisel [MC3] and radial firing perio [RFP]) on temperature change of an implant irradiated with an Er,Cr:YSGG laser in vitro under various operational conditions. The results suggest that Er,Cr:YSGG irradiation using either tip with supplemental cooling can be a thermally safe approach to implant decontamination...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28402176/identification-of-bacterial-contaminants-from-calcium-carbonate-filler-production-lines-and-an-evaluation-of-biocide-based-decontamination-procedures
#15
Duško Odić, Jana Prah, Gorazd Avguštin
The aim of this study was to analyze the bacterial community in the production line of a calcium carbonate filler production company and to investigate possible causes for bacterial presence. Throughout 2012, 24 carbonate slurry and six groundwater samples were analyzed. Pseudomonas and Microbacterium were the most frequent contaminants in the slurry, whereas Pseudomonas and Brevundimonas dominated the groundwater samples. Of the 43 different bacterial strains isolated, only five were found both in the slurry and the groundwater, indicating that the latter was not a major source of contamination...
April 12, 2017: Biofouling
https://www.readbyqxmd.com/read/28401386/a-comprehensive-review-on-removal-of-arsenic-using-activated-carbon-prepared-from-easily-available-waste-materials
#16
Monoj Kumar Mondal, Ravi Garg
Arsenic contamination in water bodies is a serious problem and causes various health problems due to which US Environment Protection Agency (USEPA) set its maximum permissible limit of 10 ppb. The present review article starts with the removal of toxic arsenic using adsorbents prepared from easily available waste materials. Adsorbent either commercial or low-cost adsorbent can be used for arsenic removal but recent research was focused on the low-cost adsorbent. Preparation and activation of various adsorbents were discussed...
April 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28395265/current-and-future-emissions-of-primary-pollutants-from-coal-fired-power-plants-in-shaanxi-china
#17
Yong Xu, Jianlin Hu, Qi Ying, Hongke Hao, Dexiang Wang, Hongliang Zhang
A high-resolution inventory of primary atmospheric pollutants from coal-fired power plants in Shaanxi in 2012 was built based on a detailed database compiled at unit level involving unit capacity, boiler size and type, commission time, corresponding control technologies, and average coal quality of 72 power plants. The pollutants included SO2, NOx, fine particulate matter (PM2.5), inhalable particulate matter (PM10), organic carbon (OC), elemental carbon (EC), carbon monoxide (CO) and non-methane volatile organic compounds (NMVOC)...
April 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28394634/ozone-in-the-food-industry-principles-of-ozone-treatment-mechanisms-of-action-and-applications-an-overview
#18
Agnieszka Joanna Brodowska, Agnieszka Nowak, Krzysztof Śmigielski
The food contamination issue requires continuous control of food at each step of the production process. High quality and safety of products are equally important factors in the food industry. They may be achieved with several, more or less technologically advanced methodologies. In this work, we review the role, contribution, importance, and impact of ozone as a decontaminating agent used to control and eliminate the presence of microorganisms in food products as well as to extend their shelf-life and remove undesirable odors...
April 10, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28392119/the-leaching-kinetics-of-cadmium-from-hazardous-cu-cd-zinc-plant-residues
#19
Meng Li, Shili Zheng, Biao Liu, Hao Du, David Bruce Dreisinger, Leili Tafaghodi, Yi Zhang
A large amount of Cu-Cd zinc plant residues (CZPR) are produced from the hydrometallurgical zinc plant operations. Since these residues contain substantial amount of heavy metals including Cd, Zn and Cu, therefore, they are considered as hazardous wastes. In order to realize decontamination treatment and efficient extraction of the valuable metals from the CZPR, a comprehensive recovery process using sulfuric acid as the leaching reagent and air as the oxidizing reagent has been proposed. The effect of temperature, sulfuric acid concentration, particle size, solid/liquid ratio and stirring speed on the cadmium extraction efficiency was investigated...
April 6, 2017: Waste Management
https://www.readbyqxmd.com/read/28389537/airborne-pathogens-inside-automobiles-for-domestic-use-assessing-in-car-air-decontamination-devices-using-staphylococcus-aureus-as-the-challenge
#20
Syed A Sattar, Bahram Zargar, Kathryn E Wright, Joseph R Rubino, M Khalid Ijaz
Family cars represent ∼74% of the yearly global output of motorized vehicles. With the life-expectancy of ∼8 decades in many countries, one spends >100 minutes daily inside the confined and often shared space of the car with exposure to a mix of potentially harmful microbes. Can commercial in-car air microbial decontamination devices mitigate the risk? Three such devices (designated as Device #s1-3) with HEPA filters were tested in the modified passenger cabin (3.25 m3) of a four-door sedan housed within a biosafety level 3 containment facility...
April 7, 2017: Applied and Environmental Microbiology
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