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CO Poisoning

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https://www.readbyqxmd.com/read/29771706/accidental-carbon-monoxide-poisoning-while-driving-a-case-report-with-review-of-the-literature
#1
Amanda O Fisher-Hubbard, Colin Appleford, Kilak Kesha, Carl J Schmidt, Avneesh Gupta
Carbon monoxide (CO) is the cause of a significant percentage of fatal poisonings in many countries. It is known that fatalities resulting from CO poisoning are underreported and/or misclassified. Carbon monoxide exposure while driving can occur due to faulty exhaust systems, defective ventilation systems, emission from other vehicles, and even cigarette smoking. We report the case of a 23-year-old woman who was involved in a low-speed motor vehicle collision and was found unresponsive in her vehicle due to CO poisoning...
May 16, 2018: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29764545/-effects-of-n-butylphthalide-on-the-expressions-of-zo-1-and-claudin-5-in-blood-brain-barrier-of-rats-with-acute-carbon-monoxide-poisoning
#2
Li Wang, Xiaoyu Ding, Mingjun Bi, Jinglin Wang, Yong Zou, Jiyou Tang, Qin Li
OBJECTIVE: To explore the effects of N-butylphthalide on the expressions of ZO-1 and claudin-5 in blood-brain barrier (BBB) in rats with acute carbon monoxide (CO) poisoning. METHODS: A total of 144 adult healthy male Sprague-Dawley (SD) rats were randomly divided into normal control group, CO poisoning group, and NBP treatment group, with 48 rats in each group. The acute CO poisoning model was reproduced in hyperbaric oxygen chamber, and all model rats were given hyperbaric oxygen therapy once daily...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29758013/selenium-dependent-antioxidant-enzymes-actions-and-properties-of-selenoproteins
#3
REVIEW
Evangelos Zoidis, Isidoros Seremelis, Nikolaos Kontopoulos, Georgios P Danezis
Unlike other essential trace elements that interact with proteins in the form of cofactors, selenium (Se) becomes co-translationally incorporated into the polypeptide chain as part of 21st naturally occurring amino acid, selenocysteine (Sec), encoded by the UGA codon. Any protein that includes Sec in its polypeptide chain is defined as selenoprotein. Members of the selenoproteins family exert various functions and their synthesis depends on specific cofactors and on dietary Se. The Se intake in productive animals such as chickens affect nutrient utilization, production performances, antioxidative status and responses of the immune system...
May 14, 2018: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29757890/pediatric-carbon-monoxide-poisoning-in-southern-israel-a-cross-sectional-study
#4
Yariv Fruchtman, Zvi H Perry, Tom Leibson, Liat Vered Cohen, Matitiahu Lifshitz, Eugene Leibovitz
OBJECTIVES: This study aimed to describe the epidemiology and clinical burden of unintended carbon monoxide (CO) poisoning among children in the Negev region of southern Israel. METHODS: This was a cross-sectional retrospective study of CO poisoning patients admitted to Soroka University Medical Center in 2011 through 2015. RESULTS: Overall, 43 cases of CO poisoning were recorded among children younger than 18 years. Five patients died, all upon admission...
May 2, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29751894/potential-effects-of-climate-change-on-the-risk-of-accidents-with-poisonous-species-of-the-genus-tityus-scorpiones-buthidae-in-argentina
#5
Pablo Ariel Martinez, Mayane Alves Andrade, Claudio Juan Bidau
The temporal pattern of co-occurrence of human beings and venomous species (scorpions, spiders, snakes) is changing. Thus, the temporal pattern of areas with risk of accidents with such species tends to become dynamic in time. We analyze the areas of occurrence of species of Tityus in Argentina and assess the impact of global climate change on their area of distribution by the construction of risk maps. Using data of occurrence of the species and climatic variables, we constructed models of species distribution (SMDs) under current and future climatic conditions...
June 2018: Spatial and Spatio-temporal Epidemiology
https://www.readbyqxmd.com/read/29748113/clinical-spectrum-of-acute-poisoning-in-children-admitted-to-the-pediatric-emergency-department
#6
Jung Lee, Nai-Chia Fan, Tsung-Chieh Yao, Shao-Hsuan Hsia, En-Pei Lee, Jing-Long Huang, Han-Ping Wu
BACKGROUND: Pediatric poisoning is a common emergency worldwide. Routine surveillance is required for public health authorities and physicians to update strategies for prevention and management of pediatric poisoning. This study investigated the epidemiology of poisoning among children admitted to an emergency department (ED). METHODS: This was a retrospective descriptive study. Data were collected from patients under 18 years old (y/o) presenting with poisoning at the largest ED in North Taiwan from 2011 to 2015...
April 19, 2018: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29734714/arsenic-and-other-elemental-concentrations-in-mushrooms-from-bangladesh-health-risks
#7
Md Harunur Rashid, Mohammad Mahmudur Rahman, Ray Correll, Ravi Naidu
Mushroom cultivation has been increasing rapidly in Bangladesh. Arsenic (As) toxicity is widespread in the world and Bangladesh faces the greatest havoc due to this calamity. Rice is the staple food in Bangladesh and among all the crops grown, it is considered to be the main cause of As poisoning to its population after drinking water. Consequently, rice straw, an important growing medium of mushrooms in Bangladesh, is known to have high As content. The objective of this study was, therefore, to determine the concentrations of As in mushrooms cultivated in Bangladesh and to assess the health risk as well...
May 4, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29734568/carboxyhemoglobin-a-primer-for-clinicians
#8
Neil B Hampson
One of carbon monoxide's several mechanisms of toxicity is binding with circulating hemoglobin to form carboxyhemoglobin, resulting in a functional anemia. While patients with carbon monoxide poisoning are often said to be "cherry-red," such discoloration is rarely seen. Carboxyhemoglobin levels cannot be measured with conventional pulse oximetry, can be approximated with pulse CO-oximetry, and are most accurately measured with a laboratory CO-oximeter. Carboxyhemoglobin levels are quite stable and can be accurately measured on a transported blood sample...
March 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29732122/bifunctional-co-oxidation-over-mn-mullite-anchored-pt-sub-nanoclusters-via-atomic-layer-deposition
#9
Xiao Liu, Yuanting Tang, Meiqing Shen, Wei Li, Shengqi Chu, Bin Shan, Rong Chen
CO oxidation is a widely used model system for understanding fundamental aspects of heterogeneous catalysis. While platinum (Pt) continues to be a reference material for CO oxidation catalysis, poisoning of Pt catalysts presents a critical issue that blocks reaction sites and impedes subsequent reaction steps. Fabrication of CO poison-free Pt catalysts remains a great challenge due to its CO-philic nature. Herein, we report a Pt based catalyst to effectively tackle CO poisoning by tightly anchoring Pt sub-nanoclusters onto Mn-mullite oxide (SmMn2 O5 ) via atomic layer deposition...
March 7, 2018: Chemical Science
https://www.readbyqxmd.com/read/29727299/correlation-between-plasma-concentrations-of-tramadol-and-its-metabolites-and-the-incidence-of-seizure-in-tramadol-intoxicated-patients
#10
Mahnaz Ahmadimanesh, Shahin Shadnia, Mohammad Reza Rouini, Behjat Sheikholeslami, Sara Ahsani Nasab, Mahmoud Ghazi-Khansari
BACKGROUND: Seizure is one of the important symptoms of tramadol poisoning, but its causes are still unknown. The aim of this study is to find a relationship between tramadol and the concentrations of its metabolites versus the incidence of seizures following the consumption of high doses of tramadol. METHODS: For this purpose, the blood samples of 120 tramadol-intoxicated patients were collected. The patients were divided in two groups (seizure and non-seizure)...
May 4, 2018: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/29726790/response-to-carbon-monoxide-poisoning-cases-presenting-with-non-specific-symptoms-by-deniz-accuracy-of-triage-with-rad-57-pulse-co-oximeter-in-suspected-collective-intoxication-of-a-pediatric-population
#11
Jacques Bessereau, F Heireche, V Bremond, A Boutin, S Petit, M Tsapis, L Boiron, A Puget, P Garry, M Coulange, F Kerbaul
No abstract text is available yet for this article.
May 2018: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/29702608/liver-injury-by-carbon-tetrachloride-intoxication-in-16-patients-treated-with-forced-ventilation-to-accelerate-toxin-removal-via-the-lungs-a-clinical-report
#12
REVIEW
Rolf Teschke
Carbon tetrachloride (CCl₄) is an efficient but highly toxic solvent, used in households and commercially in the industry under regulatory surveillance to ensure safety at the working place and to protect the workers’ health. However, acute unintentional or intentional intoxications by CCl₄ may rarely occur and are potentially life-threatening. In this review article, therapy options are discussed that are based on a literature review of traditional poisoning cases and the clinical experience with 16 patients with acute poisoning by CCl₄...
April 27, 2018: Toxics
https://www.readbyqxmd.com/read/29696537/traits-and-causes-of-environmental-loss-related-chemical-accidents-in-china-based-on-co-word-analysis
#13
Desheng Wu, Yu Song, Kefan Xie, Baofeng Zhang
Chemical accidents are major causes of environmental losses and have been debated due to the potential threat to human beings and environment. Compared with the single statistical analysis, co-word analysis of chemical accidents illustrates significant traits at various levels and presents data into a visual network. This study utilizes a co-word analysis of the keywords extracted from the Web crawling texts of environmental loss-related chemical accidents and uses the Pearson's correlation coefficient to examine the internal attributes...
April 25, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29673186/identification-expression-analysis-of-the-hsf-family-and-characterization-of-class-a4-in-sedum-alfredii-hance-under-cadmium-stress
#14
Shuang-Shuang Chen, Jing Jiang, Xiao-Jiao Han, Yun-Xing Zhang, Ren-Ying Zhuo
Sedum alfredii Hance, a cadmium (Cd)/zinc (Zn)/lead (Pb) co-hyperaccumulating species, is a promising phytoremediation candidate because it accumulates substantial amounts of heavy metal ions without showing any obvious signs of poisoning. The heat shock transcription factor (Hsf) family plays crucial roles in plant growth, development, and stress responses. Although the roles of some Hsfs in abiotic stress have been well studied in model plants, the Hsf family has not been systematically investigated in heavy metal hyperaccumulators...
April 17, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29652472/new-class-of-hybrid-materials-for-detection-capture-and-on-demand-release-of-carbon-monoxide
#15
Anaïs Pitto-Barry, Alexandru Lupan, Christopher Ellingford, Amr A A Attia, Nicolas P E Barry
Carbon monoxide (CO) is both a substance hazardous to health and a side product of a number of industrial processes, such as methanol steam reforming and large-scale oxidation reactions. The separation of CO from nitrogen (N2 ) in industrial processes is considered to be difficult because of the similarities of their electronic structures, sizes, and physicochemical properties (e.g., boiling points). Carbon monoxide is also a major poison in fuel cells because of its adsorption onto the active sites of the catalysts...
April 13, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29617108/facets-matching-of-platinum-and-ferric-oxide-in-highly-efficient-catalyst-design-for-low-temperature-co-oxidation
#16
Yanling Ma, Fan Li, Xiaobo Ren, Wenlong Chen, Chao Li, Peng Tao, Chengyi Song, Wen Shang, Rong Huang, Baoliang Lv, Hong Zhu, Tao Deng, Jianbo Wu
Rational design of supported noble metal is of great importance for highly efficient heterogeneous catalysts. Based on the distinct adsorption characteristics of noble metal and transition metal oxides towards O2 and CO, the overall catalytic performance of CO oxidation reaction could be further modified by controlling the materials surface property to achieve optimal adsorption activity. Here we studied the influence of facets matching between both platinum and ferric oxide support on CO conversion efficiency...
April 4, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29609498/trends-in-intentional-abuse-or-misuse-of-benzodiazepines-and-opioid-analgesics-and-the-associated-mortality-reported-to-poison-centers-across-the-united-states-from-2000-to-2014
#17
S L Calcaterra, S G Severtson, G E Bau, Z R Margolin, B Bucher-Bartelson, J L Green, R C Dart
CONTEXT: Prior works demonstrates an increased risk of death when opioid analgesics and benzodiazepines are used concomitantly to gain a high. Using poison center data, we described trends in abuse or misuse of benzodiazepines and opioid analgesics. We quantified mortality risk associated with abuse or misuse of benzodiazepines, opioid analgesics and the combination of opioid analgesics and benzodiazepines. METHODS: This was a retrospective chart review of data from the National Poison Data System which collects information from 55 poison centers located across the United States...
April 3, 2018: Clinical Toxicology
https://www.readbyqxmd.com/read/29604843/co-oxidation-on-ru-pt-bimetallic-nanoclusters-supported-on-tio-2-101-the-effect-of-charge-polarization
#18
Chuanyi Jia, Wenhui Zhong, Mingsen Deng, Jun Jiang
Pt-based catalyst is widely used in CO oxidation, while its catalytic activity is often undermined because of the CO poisoning effect. Here, using density functional theory, we propose the use of a Ru-Pt bimetallic cluster supported on TiO2 for CO oxidation, to achieve both high activity and low CO poisoning effect. Excellent catalytic activity is obtained in a Ru1 Pt7 /TiO2 (101) system, which is ascribed to strong electric fields induced by charge polarization between one Ru atom and its neighboring Pt atoms...
March 28, 2018: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29600144/noble-metal-modified-titania-with-visible-light-activity-for-the-decomposition-of-microorganisms
#19
Maya Endo, Zhishun Wei, Kunlei Wang, Baris Karabiyik, Kenta Yoshiiri, Paulina Rokicka, Bunsho Ohtani, Agata Markowska-Szczupak, Ewa Kowalska
Commercial titania photocatalysts were modified with silver and gold by photodeposition, and characterized by diffuse reflectance spectroscopy (DRS), X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and scanning transmission electron microscopy (STEM). It was found that silver co-existed in zero valent (core) and oxidized (shell) forms, whereas gold was mainly zero valent. The obtained noble metal-modified samples were examined with regard to antibacterial ( Escherichia coli ( E. coli )) and antifungal ( Aspergillus niger ( A...
2018: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/29577122/co-oxidation-activity-of-pt-zn-and-znpt-nanocatalysts-a-comparative-study-by-in-situ-near-ambient-pressure-x-ray-photoelectron-spectroscopy
#20
Ahmed Naitabdi, Anthony Boucly, François Rochet, Robert Fagiewicz, Giorgia Olivieri, Fabrice Bournel, Rabah Benbalagh, Fausto Sirotti, Jean-Jacques Gallet
The investigation of nanocatalysts under ambient pressure by X-ray photoelectron spectroscopy gives access to a wealth of information on their chemical state under reaction conditions. Considering the paradigmatic CO oxidation reaction, a strong synergistic effect on CO catalytic oxidation was recently observed on a partly dewetted ZnO(0001)/Pt(111) single crystal surface. In order to bridge the material gap, we have examined whether this inverse metal/oxide catalytic effect could be transposed on supported ZnPt nanocatalysts deposited on rutile TiO2(110)...
March 26, 2018: Nanoscale
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