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https://www.readbyqxmd.com/read/28738613/a-selective-distance-based-paper-analytical-device-for-copper-ii-determination-using-a-porphyrin-derivative
#1
Rimadani Pratiwi, Michael P Nguyen, Slamet Ibrahim, Naoki Yoshioka, Charles S Henry, Daryono H Tjahjono
Meso-tetrakis(1,2-dimethylpyrazolium-4-yl)porphyrin sulfonate (TDMPzP), a water-soluble porphyrin derivative, was synthesized and used as a colorimetric reagent for Cu(2+) detection on a microfluidic paper-based analytical device (µPAD) using distance-based quantification. TDMPzP showed a high selectivity for Cu(2+) detection in aqueous solutions. When Cu(2+) was added to the TDMPzP under acidic conditions, a color change from green to a pink was observed by the naked eye. Under optimized conditions, the application of this system to a distance-based μPAD exhibited good analytical response...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738424/use-of-high-throughput-in-vitro-toxicity-screening-data-in-cancer-hazard-evaluations-by-iarc-monograph-working-groups
#2
Weihsueh A Chiu, Kathryn Z Guyton, Matthew T Martin, David M Reif, Ivan Rusyn
Evidence regarding carcinogenic mechanisms serves a critical role in International Agency for Research on Cancer (IARC) Monograph evaluations. Three recent IARC Working Groups pioneered inclusion of the US Environmental Protection Agency (EPA) ToxCast program high-throughput screening (HTS) data to supplement other mechanistic evidence. In Monograph V110, HTS profiles were compared between perfluorooctanoic acid (PFOA) and prototypical activators across multiple nuclear receptors. For Monograph V112 -113, HTS assays were mapped to 10 key characteristics of carcinogens identified by an IARC expert group, and systematically considered as an additional mechanistic data stream...
July 24, 2017: ALTEX
https://www.readbyqxmd.com/read/28738262/systematic-review-of-community-health-impacts-of-mountaintop-removal-mining
#3
REVIEW
Abee L Boyles, Robyn B Blain, Johanna R Rochester, Raghavendhran Avanasi, Susan B Goldhaber, Sofie McComb, Stephanie D Holmgren, Scott A Masten, Kristina A Thayer
BACKGROUND: The objective of this evaluation is to understand the human health impacts of mountaintop removal (MTR) mining, the major method of coal mining in and around Central Appalachia. MTR mining impacts the air, water, and soil and raises concerns about potential adverse health effects in neighboring communities; exposures associated with MTR mining include particulate matter (PM), polycyclic aromatic hydrocarbons (PAHs), metals, hydrogen sulfide, and other recognized harmful substances...
July 21, 2017: Environment International
https://www.readbyqxmd.com/read/28738225/the-effect-of-low-fat-beef-patties-formulated-with-a-low-energy-fat-analogue-enriched-in-long-chain-polyunsaturated-fatty-acids-on-lipid-oxidation-and-sensory-attributes
#4
Marta Alejandre, Denis Passarini, Iciar Astiasarán, Diana Ansorena
A new low-energy gelled emulsion containing algae oil was developed as animal fat replacer. Its stability was evaluated under different storage conditions: 4V (4°C/vacuum), 4NV (4°C/no vacuum), 25V (25°C/vacuum) and 25NV (25°C/no vacuum). According to moisture, hardness, color and lipid oxidation data, 4°C under vacuum (4V) was selected as the best condition. Once the gelled emulsion was characterized, its effectiveness as fat analogue was demonstrated in beef patties. Reformulated patties were produced with 100% of animal fat replacement and compared to conventional patties (9%fat)...
July 13, 2017: Meat Science
https://www.readbyqxmd.com/read/28735625/free-fatty-acid-receptor-ffar-agonists-inhibit-proliferation-of-human-ovarian-cancer-cells
#5
Mandi M Hopkins, Kathryn E Meier
Many cellular actions of omega-3 fatty acids are mediated by two G protein-coupled receptors, FFA1 and FFA4, free fatty acid receptor (FFAR) family members that are activated by these dietary constituents. FFAR agonists inhibit proliferation of human prostate and breast cancer cells. Since omega-3 fatty acids can inhibit ovarian cancer cell growth, the current study tested the potential role of FFARs in the response. OVCAR3 and SKOV3 human ovarian cancer cell lines express mRNA for FFA1; FFA4 mRNA was detected at low levels in SKOV3 but not OVCAR3...
July 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28732558/resolvins-as-proresolving-inflammatory-mediators-in-cardiovascular-disease
#6
Xavier Capó, Miquel Martorell, Carla Busquets-Cortés, Silvia Tejada, Josep A Tur, Antoni Pons, Antoni Sureda
Cardiovascular disease (CVD) represents a global burden with a prevalence that continues increasing progressively. CVD comprises a group of disorders of the heart and blood vessels including coronary heart disease, cerebrovascular disease and peripheral arterial disease. This group of disorders is associated with an inflammatory process which can participate in the pathophysiology of these diseases. Inflammation resolution is an active process involving the participation of pro-resolving mediators such as lipoxins, resolvins, protectins and maresins...
July 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28732058/the-role-of-a-fads1-polymorphism-in-the-association-of-fatty-acid-blood-levels-bmi-and-blood-pressure-in-young-children-analyses-based-on-path-models
#7
Maike Wolters, Carmen Dering, Alfonso Siani, Paola Russo, Jaakko Kaprio, Patrizia Risé, Luis A Moreno, Stefaan De Henauw, Kirsten Mehlig, Toomas Veidebaum, Denés Molnár, Michael Tornaritis, Licia Iacoviello, Yannis Pitsiladis, Claudio Galli, Ronja Foraita, Claudia Börnhorst
BACKGROUND: The recent obesity epidemic in children also showed an increase in the prevalence of hypertension. As blood pressure (BP) is associated with (long-chain) polyunsaturated fatty acids (LC PUFA), genetic variation in desaturase enzymes being involved in the synthesis of LC PUFA may be associated with BP. This study aimed to investigate the direct effects (independent of mediating variables) and indirect effects (mediated through intermediate variables) of a common variant in the FADS1 gene, rs174546, known to affect delta-5 desaturase (D5D) activity on PUFA level, body mass index (BMI) and BP...
2017: PloS One
https://www.readbyqxmd.com/read/28730848/cpa-treatment-guidelines-for-individuals-at-clinical-high-risk-of-psychosis
#8
Jean Addington, Donald Addington, Sabina Abidi, Thomas Raedler, Gary Remington
OBJECTIVE: Young people who are at clinical high risk (CHR) of developing psychosis are often help seeking and have significant distress and dysfunction. There are limited guidelines for the assessment and treatment for this population. The aim of this guideline was to develop treatment recommendations for this at-risk group. METHOD: A systematic search was conducted for published guidelines for CHR. All current guidelines for schizophrenia were reviewed for treatment guidelines on individuals at CHR...
January 1, 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28730165/plasma-free-fatty-acids-in-hyperemesis-gravidarum-pregnancy
#9
Mustafa Ulubay, Mustafa Ozturk, Ozlem Ozturk, Ugur Keskin, Ulas Fidan, Erdim Sertoglu, Hakan Aydin, Ali Yilmaz, Mufit Cemal Yenen
We evaluated the free fatty acids differences in plasma between hyperemesis gravidarum(HG) and healthy pregnant in first trimester pregnancy. OBJECTIVE: We aimed to compare the plasma levels of DHA, AA and EPA, between HG patients and healthy pregnant women. DESIGN: Fifty-two pregnants were involved in the study. Twenty-six pregnants of them were HG as study group, and twenty-six pregnants were enrolled as healthy pregnant women at the similar gestational age. The saturated fatty acids C14, C15, C16, C18, C20, C22, and C24; the omega-3 fatty acids eicosapentaenoic acid, (EPA) and docosahexaenoic acid, (DHA); the omega-6 fatty acids linoleic acid, arachidonic acid (AA), and homo-gamma-linolenic acid; and the omega-9 fatty acids oleic acid, erucic acid, and nervonic acid were analysed by gas chromatography...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/28729009/development-of-entrustable-professional-activities-for-hospice-and-palliative-medicine-fellowship-training-in-the-united-states
#10
Lindy H Landzaat, Michael D Barnett, Gary T Buckholz, Jillian L Gustin, Jennifer M Hwang, Stacie K Levine, Tomasz Okon, Steven M Radwany, Holly B Yang, John Encandela, Laura J Morrison
CONTEXT: Entrustable Professional Activities (EPAs) represent the key physician tasks of a specialty. Once a trainee demonstrates competence in an activity, they can then be 'entrusted' to practice without supervision(1). A physician workgroup of the American Academy of Hospice and Palliative Medicine (AAHPM) sought to define Hospice and Palliative Medicine (HPM) EPAs. OBJECTIVE: To describe the development of a set of consensus EPAs for HPM fellowship training in the United States...
July 17, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28725903/suppressive-effects-of-dietary-epa-rich-fish-oil-on-the-degradation-of-elastin-fibers-in-the-aortic-wall-in-nicotine-administered-mice
#11
Hirona Kugo, Nobuhiro Zaima, Megumi Onozato, Chie Miyamoto, Keisuke Hashimoto, Kenichi Yanagimoto, Tatsuya Moriyama
Abdominal aortic aneurysm (AAA) is a vascular disease involving gradual dilation of the abdominal aorta. Recent studies suggest that nicotine, which is a primary component in cigarette smoke, is closely associated with the development and rupture of an AAA. Nicotine accelerates AAA development through the weakening of the vascular wall by increasing oxidative stress and matrix metalloproteinase (MMP)-2 expression. However, little is known about preventing the AAA induced by nicotine. A non-surgical means of preventing the weakening of the vascular wall before the onset of AAA by functional food factors would be a valuable option over surgery...
July 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28721723/enrichment-of-long-chain-polyunsaturated-fatty-acids-by-coordinated-expression-of-multiple-metabolic-nodes-in-the-oleaginous-microalga-phaeodactylum-tricornutum
#12
Xiang Wang, Yu-Hong Liu, Wei Wei, Xia Zhou, Wasiqi Yuan, Srinivasan Balamurugan, Ting-Bin Hao, Wei-Dong Yang, Jie-Sheng Liu, Hong-Ye Li
Microalgal long-chain polyunsaturated fatty acids (LC-PUFAs) have emerged as promising alternatives to depleting fish oils. However, the overproduction of LC-PUFAs in microalgae has remained challenging. Here, we report a sequential metabolic engineering strategy that systematically overcomes the metabolic bottlenecks and overproduces LC-PUFAs. Malonyl CoA-acyl carrier protein transacylase, catalyzing the first committed step in type II fatty acid synthesis, and desaturase 5b, involved in fatty acid desaturation, were coordinately expressed in Phaeodactylum tricornutum...
July 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28721583/microbial-and-genetically-engineered-oils-as-replacements-for-fish-oil-in-aquaculture-feeds
#13
REVIEW
M Sprague, M B Betancor, D R Tocher
As the global population grows more of our fish and seafood are being farmed. Fish are the main dietary source of the omega-3 (n-3) long-chain polyunsaturated fatty acids (LC-PUFA), eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids, but these cannot be produced in sufficient quantities as are now required for human health. Farmed fish have traditionally been fed a diet consisting of fishmeal and fish oil, rich in n-3 LC-PUFA. However, the increase in global aquaculture production has resulted in these finite and limited marine ingredients being replaced with sustainable alternatives of terrestrial origin that are devoid of n-3 LC-PUFA...
July 18, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28721338/is-aortic-aneurysm-preventable
#14
Undurti N Das
Abdominal aortic aneurysm (AAA) is a chronic inflammatory condition, triggered by the local accumulation of macrophages, oxidative stress and damage to the aortic wall. Pro-inflammatory eicosanoids seem to play a significant role in AAA. The pro-inflammatory events seen in AAA could be due to a deficiency of anti-inflammatory eicosanoids such as lipoxin A4 (LXA4), resolvins, protectins and maresins as a result of reduced tissue concentrations of their precursors: arachidonic acid (AA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA)...
June 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28720927/report-of-the-2016-17-academic-affairs-standing-committee-entrustable-professional-activities-implementation-roadmap
#15
Amy L Pittenger, Debra A Copeland, Matthew M Lacroix, Quamrun N Masuda, Peter Mbi, Melissa S Medina, Susan M Miller, Scott K Stolte, Cecilia M Plaza
The purpose of this report is to: 1) Identify linkages across the EPA statements, Center for the Advancement of Pharmacy Education 2013 Educational Outcomes (CAPE 2013) and the Joint Commission of Pharmacy Practitioners' Pharmacist Patient Care Process (PPCP); 2) Provide ways EPA statements can be used to communicate core skills that are part of the entry-level pharmacist identity; 3) Suggest a potential roadmap for AACP members on how to implement EPA statements.
June 2017: American Journal of Pharmaceutical Education
https://www.readbyqxmd.com/read/28720343/exposure-to-ambient-dichloromethane-in-pregnancy-and-infancy-from-industrial-sources-and-childhood-cancers-in-california
#16
Andrew S Park, Beate Ritz, Chenxiao Ling, Myles Cockburn, Julia E Heck
BACKGROUND: The incidence of childhood cancers has been increasing and environmental exposure to air toxics has been suggested as a possible risk factor. This study aims to explore ambient exposure to dichloromethane (methylene chloride). METHODS: We frequency matched by birth year approximately 20 cancer-free controls identified from birth records to all childhood cancers ages 0-5 in the California Cancer Registry diagnosed from 1988 to 2012; i.e. 13,636 cases and a total of 270,673 controls...
June 24, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28720176/determination-of-polycyclic-aromatic-hydrocarbons-in-commercial-parenteral-formulations-and-medications-using-high-performance-liquid-chromatography-with-diode-array-detection
#17
Marcia M Barichello, Denise Bohrer, Carine Viana, Leandro M Carvalho, Paulo C Nascimento
HPLC coupled to UV diode array detection (DAD) is proposed for the determination of polycyclic aromatic hydrocarbons (PAHs) in pharmaceutical products for parenteral administration. Because rubber is a possible source of PAHs for these products, samples stored in containers with rubber parts were selected for the analysis. The basis for method optimization was EPA Method 8310, which determines 16 priority PAHs in ground water and wastewater by HPLC using both UV and fluorescence detection. Using DAD, two channels were selected for detection, with one operating at 254 nm for the detection of nine PAHs and the other at 225 nm for the detection of seven PAHs...
July 1, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28719869/effectiveness-of-table-top-water-pitcher-filters-to-remove-arsenic-from-drinking-water
#18
Roxanna Barnaby, Amanda Liefeld, Brian P Jackson, Thomas H Hampton, Bruce A Stanton
Arsenic contamination of drinking water is a serious threat to the health of hundreds of millions of people worldwide. In the United States ~3 million individuals drink well water that contains arsenic levels above the Environmental Protection Agency (EPA) maximum contaminant level (MCL) of 10μg/L. Several technologies are available to remove arsenic from well water including anion exchange, adsorptive media and reverse osmosis. In addition, bottled water is an alternative to drinking well water contaminated with arsenic...
July 15, 2017: Environmental Research
https://www.readbyqxmd.com/read/28719337/determination-of-some-heavy-metals-in-mastacembelus-mastacembelus-banks-solander-1794-in-terms-of-public-health
#19
M Eroğlu, M Düşükcan, Ö Canpolat, M Çalta, D Şen
In this study, the accumulation of some heavy metals in spiny eel (Mastacembelus mastacembelus Banks and Solander, 1794) living in Karakaya Dam Lake was determined and human health risk of this fish when consumed as food was examined. For this purpose, the amounts of copper (Cu), chromium (Cr), cadmium(Cd), iron (Fe), zinc (Zn) in water samples and in the muscle tissues of the fishes were determined. The amounts of heavy metals showed differences in the muscle tissues of Mastacembelus mastacembelus according to weight, length, sex and age groups of fish...
May 20, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28717347/effect-of-eicosapentaenoic-acids-rich-fish-oil-supplementation-on-motor-nerve-function-after-eccentric-contractions
#20
Eisuke Ochi, Yosuke Tsuchiya, Kenichi Yanagimoto
BACKGROUND: This study investigated the effect of supplementation with fish oil rich in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) on the M-wave latency of biceps brachii and muscle damage after a single session of maximal elbow flexor eccentric contractions (ECC). METHODS: Twenty-one men were completed the randomized, double-blind, placebo-controlled, and parallel-design study. The subjects were randomly assigned to the fish oil group (n = 10) or control group (n = 11)...
2017: Journal of the International Society of Sports Nutrition
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