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https://www.readbyqxmd.com/read/28238852/the-use-of-charcoal-in-modified-cigarette-filters-for-mainstream-smoke-carbonyl-reduction
#1
Julie A Morabito, Matthew R Holman, Yan S Ding, Xizheng Yan, Michele Chan, Dana Chafin, Jose Perez, Magaly I Mendez, Roberto Bravo Cardenas, Clifford Watson
Carbonyls are harmful and potentially harmful constituents (HPHCs) in mainstream cigarette smoke (MSS). Carbonyls, including formaldehyde and acrolein, are carcinogenic or mutagenic in a dose-dependent manner. Past studies demonstrate significant reduction of HPHCs by charcoal filtration. However, limits of charcoal filtration and cigarette design have not yet been investigated in a systematic manner. Objective data is needed concerning the feasibility of HPHC reduction in combustible filtered cigarettes. This systematic study evaluates the effect of charcoal filtration on carbonyl reduction in MSS...
February 23, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28237757/preparation-and-characterization-of-an-antibacterial-ultrafiltration-membrane-with-n-chloramine-functional-groups
#2
Shuhua Hou, Xue Dong, Jianhua Zhu, Jifu Zheng, Weihui Bi, Shenghai Li, Suobo Zhang
In this study, a cardo poly(aryl ether ketone) ultrafiltration membrane containing an N-chloramine functional group (PEK-N-Cl membrane) was easily obtained via exposure of a cardo poly(aryl ether ketone) ultrafiltration membrane (PEK-NH membrane) to dilute sodium hypochlorite solution. The chlorination process did not harm membrane performance. In addition, the PEK-N-Cl membrane was stable in both air and water. The PEK-N-Cl membrane exhibited excellent antimicrobial properties against both Gram-negative and Gram-positive bacteria (i...
January 18, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28231439/the-rights-of-drug-treatment-patients-experience-of-addiction-treatment-in-poland-from-a-human-rights-perspective
#3
Justyna Klingemann
BACKGROUND: Drug dependence is a recognized medical condition and therefore, right to health applies in the same way to drug dependence as it does to any other health condition. The human rights in patient care framework - which refers to the application of basic human rights principles in the delivery of health care services - was used to explore the experiences of equality in the dignity and rights protected by Polish law within four different specialist drug treatment settings in Poland...
February 20, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28230911/interventions-to-reduce-the-stigma-of-eating-disorders-a-systematic-review-and-meta-analysis
#4
REVIEW
Joanna R Doley, Laura M Hart, Arthur A Stukas, Katja Petrovic, Ayoub Bouguettaya, Susan J Paxton
Stigma is a problem for individuals with eating disorders (EDs), forming a barrier to disclosure and help-seeking. Interventions to reduce ED stigma may help remove these barriers; however, it is not known which strategies (e.g., explaining etiology to reduce blame, contact with a person with an ED, or educating about ED) are effective in reducing stigma and related outcomes. This review described effectiveness of intervention strategies, and identified gaps in the literature. A search of four databases was performed using the terms (eating disorder* OR bulimi* OR anorexi* OR binge-eating disorder) AND (stigma* OR stereotyp* OR beliefs OR negative attitudes) AND (program OR experiment OR intervention OR education), with additional texts sought through LISTSERVs...
February 23, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/28229948/mixing-and-capping-techniques-for-activated-carbon-based-sediment-remediation-efficiency-and-adverse-effects-for-lumbriculus-variegatus
#5
Sebastian Abel, Inna Nybom, Kimmo Mäenpää, Sarah E Hale, Gerard Cornelissen, Jarkko Akkanen
Activated carbon (AC) has been proven to be highly effective for the in-situ remediation of sediments contaminated with a wide range of hydrophobic organic contaminants (HOCs). However, adverse biological effects, especially to benthic organisms, can accompany this promising remediation potential. In this study, we compare both the remediation potential and the biological effects of several AC materials for two application methods: mixing with sediment (MIX) at doses of 0.1 and 1.0% based on sediment dw and thin layer capping (TLC) with 0...
February 16, 2017: Water Research
https://www.readbyqxmd.com/read/28229377/important-treatment-outcomes-for-patients-with-psoriatic-arthritis-a-multisite-qualitative-study
#6
Emma Dures, Sarah Hewlett, Jane Lord, Clive Bowen, Neil McHugh, William Tillett
BACKGROUND: Psoriatic arthritis (PsA) is a variable and complex inflammatory condition. Symptoms can compromise physical function, reduce quality of life, and accrue significant health costs. Commonly used patient-reported outcomes largely reflect the professionals' perspective, however it is not known whether they capture what is important to patients. OBJECTIVE: The aim of our study was to identify treatment outcomes important to patients with PsA. METHODS: Eight focus groups that were audio recorded, transcribed, anonymised and analysed using inductive thematic analysis were conducted at five hospital sites...
February 22, 2017: Patient
https://www.readbyqxmd.com/read/28229183/prevalence-of-tobacco-smoking-in-vietnam-findings-from-the-global-adult-tobacco-survey-2015
#7
Hoang Van Minh, Kim Bao Giang, Nguyen Bao Ngoc, Phan Thi Hai, Doan Thi Thu Huyen, Luong Ngoc Khue, Nguyen Tuan Lam, Pham Thi Quynh Nga, Nguyen The Quan, Nguyen Thi Xuyen
OBJECTIVES: We report the prevalence of tobacco smoking among adult populations in Vietnam, 2015. METHODS: The Vietnam GATS 2015 was a nationally representative survey. 9513 households were selected using two-stage random systematic sampling method. Handheld computers were used for capturing data. Data collection was carried-out by National Statistics Office of Vietnam in 2015. Weight was used in all estimates. RESULTS: The Vietnam GATS 2015 found that the prevalence of smoking in Vietnam was 22...
February 22, 2017: International Journal of Public Health
https://www.readbyqxmd.com/read/28225263/bactericidal-effect-of-gold-chitosan-nanocomposites-in-co-culture-models-of-pathogenic-bacteria-and-human-macrophages
#8
Gracia Mendoza, Anna Regiel-Futyra, Vanesa Andreu, Victor Sebastian, Agnieszka Kyzioł, Grazyna Stochel, Manuel Arruebo
Pathogenic bacteria are able to develop resistance mechanisms to avoid the antimicrobial potential of antibiotics becoming an increasing problem for the healthcare systems. The search for more effective and selective antimicrobial materials, though not harmful to mammalian cells, seems imperative. Herein we propose the use of gold-chitosan nanocomposites as effective bactericidal materials avoiding the damage to human cells. Nanocomposites were obtained taking advantage of the reductive and stabilizing action of chitosan solutions on two different gold precursor concentrations...
February 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28224627/nitrogen-deposition-cancels-out-exotic-earthworm-effects-on-plant-feeding-nematode-communities
#9
Yuanhu Shao, Weixin Zhang, Nico Eisenhauer, Tao Liu, Yanmei Xiong, Chenfei Liang, Shenglei Fu
1.The activity and spread of exotic earthworms often are spatially correlated with N deposition because both arise from human activities. Exotic earthworms, in turn, can also greatly affect soil abiotic and biotic properties, as well as related ecological processes. Previous studies showed, for example, that earthworms can counteract the detrimental effects of plant-feeding nematodes on plant growth. However, potential interactive effects of N deposition and exotic earthworms on ecosystems are poorly understood...
February 21, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28224411/personalized-medicine-for-prevention-can-risk-stratified-screening-decrease-colorectal-cancer-mortality-at-an-acceptable-cost
#10
Sujha Subramanian, Georgiy Bobashev, Robert J Morris, Sonja Hoover
PURPOSE: Tailored health care interventions are expected to transform clinical practice. The objective of this study was to develop an innovative model to assess the effectiveness, cost, and harms of risk stratified colorectal cancer screening. METHODS: We updated a previously validated microsimulation model consisting of three interlinked components: risk assessment, natural history, and screening/treatment modules. We used data from representative national surveys and the literature to create a synthetic population that mimics the family history and genetic profile of the US population...
February 21, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28220380/effectiveness-of-interventions-to-deprescribe-inappropriate-proton-pump-inhibitors-in-older-adults
#11
REVIEW
Tom D Wilsdon, Ivanka Hendrix, Tilenka R J Thynne, Arduino A Mangoni
BACKGROUND: The use of proton pump inhibitors (PPIs) in older adults is high, often inappropriate, and may cause harm. Deprescribing is defined as the reduction, withdrawal, or discontinuation of inappropriate medication. OBJECTIVE: We conducted a systematic review to determine the effectiveness of interventions to deprescribe inappropriate PPIs in older adults. METHODS: We searched MEDLINE, PubMed, Embase, the Cochrane Library, ProQuest Dissertations and Theses Global, and Google from inception to January 2017 for randomized and non-randomized studies describing the outcomes of interventions to deprescribe inappropriate PPIs in older adults (mean or median age of ≥65 years)...
February 21, 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28217311/xanthine-oxidase-inhibition-for-the-treatment-of-cardiovascular-disease-an-updated-systematic-review-and-meta-analysis
#12
Jufen Zhang, Riet Dierckx, Kevin Mohee, Andrew L Clark, John G Cleland
BACKGROUND: Previous studies have shown that xanthine oxidase inhibitors (XOI) might improve outcome for patients with cardiovascular disease. However, more evidence is required. METHODS AND RESULTS: We published a meta-analysis of trials conducted before 2014 examining the effects of XOI on mortality in patients with cardiovascular disease. At least two further trials (N = 323 patients) have since been published. Accordingly, we repeated our analysis after a further search for randomized controlled trials of XOI in PubMed/MEDLINE, EMBASE, and Cochrane Databases...
February 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28216773/staff-and-caregiver-attitude-to-coercion-in-india
#13
B N Raveesh, S Pathare, E O Noorthoorn, G S Gowda, P Lepping, J G F Bunders-Aelen
OBJECTIVES: The objective of this study was to assess attitudes of Indian psychiatrists and caregivers toward coercion. MATERIALS AND: Methods: The study was conducted at the Department of Psychiatry, Krishna Rajendra Hospital, Mysore, India. Staff Attitude to Coercion Scale (SACS), a 15-item questionnaire, was administered to self-selected psychiatrists across India and caregivers from Mysore to measure attitudes on coercion. Data were analyzed using descriptive statistics and investigating differences in subgroups by means of Chi-square test, Student's t-test, and analysis of variance...
December 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28215083/development-of-a-zeolite-filter-for-removing-polycyclic-aromatic-hydrocarbons-from-smoke-and-smoked-ingredients-whilst-retaining-the-smoky-flavor
#14
Jane K Parker, Stella Lignou, Kenneth Shankland, Phillipa Kurwie, Huw D Griffiths, David A Baines
The popularity of smoked foodstuffs such as sauces, marinades and rubs is on the rise. However, during the traditional smoking process, in addition to the desirable smoky aroma compounds, harmful polycyclic aromatic hydrocarbons (PAHs) are also generated. In this work, a selective filter was developed which reduces PAH concentrations in a smoke by up to 90%, whilst maintaining a desirable smoky flavor. Preliminary studies using a cocktail of 12 PAHs stirred with a zeolite showed the potential for this zeolite to selectively remove PAHs from a simple solution...
February 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28214581/oxadiargyl-induced-conformational-transition-of-cystatin-isolated-from-yellow-mustard-seeds-biophysical-and-biochemical-approach
#15
Azaj Ahmed, Anas Shamsi, Bilqees Bano
Phytocystatins are thiol proteinase inhibitors crucial due to their inhibitory activity in plants. These play important roles in improving crop yield, protection against insects and pathogens and modulation of apoptosis. In this chemical era, various pesticides are being used globally to increase the crop biomass. These pesticides accumulate in plant body and produce harmful effects on plants itself by interacting with essential proteins. In this present study, we have monitored the interaction of a herbicide; oxadiargyl, with phytocystatin isolated from yellow mustard seeds (YMP) by employing spectroscopic techniques viz...
February 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28214449/-they-treated-me-like-crap-and-i-know-it-was-because-i-was-native-the-healthcare-experiences-of-aboriginal-peoples-living-in-vancouver-s-inner-city
#16
Ashley Goodman, Kim Fleming, Nicole Markwick, Tracey Morrison, Louise Lagimodiere, Thomas Kerr
There is growing evidence that Aboriginal peoples often experience healthcare inequalities due to racism. However, research exploring the healthcare experiences of Aboriginal peoples who use illicit substances is limited, and research rarely accounts for how multiple accounts of stigma intersect and contribute to the experiences of marginalized populations. Our research aimed to explore the healthcare experiences of Aboriginal peoples who use illicit drugs and or illicit alcohol (APWUID/A) living in Vancouver's inner city...
January 26, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28213164/carvedilol-use-is-associated-with-improved-survival-in-patients-with-liver-cirrhosis-and-ascites
#17
Rohit Sinha, Khalida A Lockman, Nethmee Mallawaarachchi, Marcus Robertson, John N Plevris, Peter C Hayes
BACKGROUND AND AIMS: Carvedilol, a non-selective beta-blocker (NSBB) with additional anti-alpha 1 receptor activity, is a potent portal hypotensive agent. It has been used as prophylaxis against variceal bleed. However, its safety in decompensated liver cirrhosis with ascites is still disputed. In this study, we examined whether long-term use of carvedilol in the presence of ascites is a risk factor for mortality. METHODS: This was a single-centre retrospective analysis of 325 consecutive patients with liver cirrhosis and ascites presenting to our Liver Unit between 1(st) of January 2009 to 31(st) August 2012...
February 14, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28212524/role-of-nrf2-and-protective-effects-of-metformin-against-tobacco-smoke-induced-cerebrovascular-toxicity
#18
Shikha Prasad, Ravi K Sajja, Mohammad Abul Kaisar, Jee Hyun Park, Heidi Villalba, Taylor Liles, Thomas Abbruscato, Luca Cucullo
Cigarette smoking (CS) is associated with vascular endothelial dysfunction in a causative way primarily related to the TS content of reactive oxygen species (ROS), nicotine, and inflammation. TS promotes glucose intolerance and increases the risk of developing type-2 diabetes mellitus (2DM) with which it shares other pathogenic traits including the high risk of cerebrovascular and neurological disorders like stroke via ROS generation, inflammation, and blood-brain barrier (BBB) impairment. Herein we provide evidence of the role played by nuclear factor erythroid 2-related factor (Nrf2) in CS-induced cerebrobvascular/BBB impairments and how these cerebrovascular harmful effects can be circumvented by the use of metformin (MF; a widely prescribed, firstline anti-diabetic drug) treatment...
February 12, 2017: Redox Biology
https://www.readbyqxmd.com/read/28207902/methamphetamine-treatment-outcomes-among-gay-men-attending-a-lgbti-specific-treatment-service-in-sydney-australia
#19
Toby Lea, Johann Kolstee, Sarah Lambert, Ross Ness, Siobhan Hannan, Martin Holt
Gay and bisexual men (GBM) report higher rates of methamphetamine use compared to heterosexual men, and thus have a heightened risk of developing problems from their use. We examined treatment outcomes among GBM clients receiving outpatient counseling at a lesbian, gay, bisexual, transgender and intersex (LGBTI)-specific, harm reduction treatment service in Sydney, Australia. GBM receiving treatment for methamphetamine use from ACON's Substance Support Service between 2012-15 (n = 101) were interviewed at treatment commencement, and after 4 sessions (n = 60; follow-up 1) and 8 sessions (n = 32; follow-up 2)...
2017: PloS One
https://www.readbyqxmd.com/read/28202930/harm-reduction-and-e-cigarettes-distorting-the-approach
#20
Michael Moore, Martin McKee, Mike Daube
Some supporters of electronic cigarettes have argued that they should be considered a form of harm reduction, analogous to that which has been successful with narcotics. In this viewpoint, we contend that this argument is based on highly selective use of the evidence, coupled with a fundamental misunderstanding of a comprehensive harm minimisation strategy. This includes not only harm reduction but also reduction in demand and supply-two elements that are explicitly rejected by many advocates of electronic cigarettes...
December 2016: Journal of Public Health Policy
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