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https://www.readbyqxmd.com/read/28822069/characterization-of-ofloxacin-interaction-with-mutated-a91v-quinolone-resistance-determining-region-of-dna-gyrase-in-mycobacterium-leprae-through-computational-simulation
#1
J Nisha, V Shanthi
Mycobacterium leprae, the causal agent of leprosy is non-cultivable in vitro. Thus, the assessment of antibiotic activity against Mycobacterium leprae depends primarily upon the time-consuming mouse footpad system. The GyrA protein of Mycobacterium leprae is the target of the antimycobacterial drug, Ofloxacin. In recent times, the GyrA mutation (A91V) has been found to be resistant to Ofloxacin. This phenomenon has necessitated the development of new, long-acting antimycobacterial compounds. The underlying mechanism of drug resistance is not completely known...
August 18, 2017: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28822018/the-prevalence-of-growth-hormone-deficiency-in-survivors-of-subarachnoid-haemorrhage-results-from-a-large-single-centre-study
#2
Sumithra Giritharan, Joanna Cox, Calvin J Heal, David Hughes, Kanna Gnanalingham, Tara Kearney
OBJECTIVE: The variation in reported prevalence of growth hormone deficiency (GHD) post subarachnoid haemorrhage (SAH) is mainly due to methodological heterogeneity. We report on the prevalence of GHD in a large cohort of patients following SAH, when dynamic and confirmatory pituitary hormone testing methods are systematically employed. DESIGN: In this cross-sectional study, pituitary function was assessed in 100 patients following SAH. Baseline pituitary hormonal profile measurement and glucagon stimulation testing (GST) was carried out in all patients...
August 18, 2017: Pituitary
https://www.readbyqxmd.com/read/28820988/integrating-printed-microfluidics-with-silicon-photomultipliers-for-miniaturised-and-highly-sensitive-atp-bioluminescence-detection
#3
M F Santangelo, S Libertino, A P F Turner, D Filippini, W C Mak
Bioluminescence has been widely used for important biosensing applications such as the measurement of adenosine triphosphate (ATP), the energy unit in biological systems and an indicator of vital processes. The current technology for detection is mainly based on large equipment such as readers and imaging systems, which require intensive and time-consuming procedures. A miniaturised bioluminescence sensing system, which would allow sensitive and continuous monitoring of ATP, with an integrated and low-cost disposable microfluidic chamber for handling of biological samples, is highly desirable...
July 27, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28819930/association-between-patient-satisfaction-and-short-term-outcomes-after-major-cancer-surgery
#4
Deborah R Kaye, Caroline R Richardson, Zaojun Ye, Lindsey A Herrel, Chad Ellimoottil, David C Miller
OBJECTIVE: The aim of this study was to investigate whether patient satisfaction, as measured by the Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) survey, is associated with short-term outcomes after major cancer surgery. MATERIALS AND METHODS: We first used national Medicare claims to identify patients who underwent a major extirpative cancer surgery from 2011 to 2013. Next, we used Hospital Compare data to assign the HCAHPS score to the hospital where the patient underwent surgery...
August 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28818713/historical-human-exposure-to-perfluoroalkyl-acids-in-the-united-states-and-australia-reconstructed-from-biomonitoring-data-using-population-based-pharmacokinetic-modelling
#5
Melissa I Gomis, Robin Vestergren, Matthew MacLeod, Jochen F Mueller, Ian T Cousins
Perfluorooctanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS) and perfluorohexanesulfonic acid (PFHxS) are found in the blood of humans and wildlife worldwide. Since the beginning of the 21st century, a downward trend in the human body burden, especially for PFOS and PFOA, has been observed while there is no clear temporal trend in wildlife. The inconsistency between the concentration decline in human serum and in wildlife could be indicative of a historical exposure pathway for humans linked to consumer products that has been reduced or eliminated...
August 14, 2017: Environment International
https://www.readbyqxmd.com/read/28818687/consumer-exposure-to-certain-ingredients-of-cosmetic-products-the-case-for-tea-tree-oil
#6
Bernhard O Rieder
Reliable exposure data are essential to evaluate the safety of ingredients in cosmetics. The study reported here was carried out on behalf of the Australian Tea Tree Industry Association in order to support safety assessment of TTO in consumer cosmetic products. Data regarding the use of TTO-containing cosmetic products were collected through a web-survey among 2535 qualified users of validated TTO-containing cosmetics in 5 European countries. Data regarding the percentage of TTO present in the individual products (TTO-inclusion) were collected from the suppliers of those products...
August 14, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28818200/relationship-of-alcohol-consumption-to-all-cause-cardiovascular-and-cancer-related-mortality-in-u-s-adults
#7
Bo Xi, Sreenivas P Veeranki, Min Zhao, Chuanwei Ma, Yinkun Yan, Jie Mi
BACKGROUND: Previous studies have revealed inconsistent findings regarding the association of light to moderate alcohol consumption with cardiovascular disease (CVD) and cancer mortality. OBJECTIVES: The aim of this study was to examine the association between alcohol consumption and risk of mortality from all causes, cancer, and CVD in U.S. adults. METHODS: Data were obtained by linking 13 waves of the National Health Interview Surveys (1997 to 2009) to the National Death Index records through December 31, 2011...
August 22, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28818089/frequency-of-eating-home-cooked-meals-and-potential-benefits-for-diet-and-health-cross-sectional-analysis-of-a-population-based-cohort-study
#8
Susanna Mills, Heather Brown, Wendy Wrieden, Martin White, Jean Adams
BACKGROUND: Reported associations between preparing and eating home cooked food, and both diet and health, are inconsistent. Most previous research has focused on preparing, rather than eating, home cooked food; used small, non-population based samples; and studied markers of nutrient intake, rather than overall diet quality or health. We aimed to assess whether frequency of consuming home cooked meals was cross-sectionally associated with diet quality and cardio-metabolic health. METHODS: We used baseline data from a United Kingdom population-based cohort study of adults aged 29 to 64 years (n = 11,396)...
August 17, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28817781/availability-and-variation-of-publicly-reported-prescription-drug-prices
#9
Jeffrey T Kullgren, Joel E Segel, Timothy A Peterson, A Mark Fendrick, Simone Singh
OBJECTIVES: To examine how often retail prices for prescription drugs are available on state public reporting websites, the variability of these reported prices, and zip code characteristics associated with greater price variation. STUDY DESIGN: Searches of state government-operated websites in Michigan, Missouri, New York, and Pennsylvania for retail prices for Advair Diskus (250/50 fluticasone propionate/salmeterol), Lyrica (pregabalin 50 mg), Nasonex (mometasone 50 mcg nasal spray), Spiriva (tiotropium 18 mcg cp-handihaler), Zetia (ezetimibe 10 mg), atorvastatin 20 mg, and metoprolol 50 mg...
July 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/28817297/using-roll-up-measures-in-healthcare-quality-reports-perspectives-of-report-sponsors-and-national-alliances
#10
Jennifer L Cerully, Steven C Martino, Lise Rybowski, Melissa L Finucane, Rachel Grob, Andrew M Parker, Mark Schlesinger, Dale Shaller, Grant Martsolf
OBJECTIVES: To understand the views of prominent organizations in the field of healthcare quality on the topic of reporting roll-up measures that combine indicators of multiple, often disparate, dimensions of care to consumers. STUDY DESIGN: This study used a semi-structured, qualitative interview design. METHODS: We conducted 30- to 60-minute semi-structured telephone interviews with representatives of 10 organizations that sponsor public healthcare quality reports and 3 national alliances representing multiple stakeholder groups...
June 1, 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/28817066/consistency-of-eating-rate-oral-processing-behaviours-and-energy-intake-across-meals
#11
Keri McCrickerd, Ciaran G Forde
Faster eating has been identified as a risk factor for obesity and the current study tested whether eating rate is consistent within an individual and linked to energy intake across multiple meals. Measures of ad libitum intake, eating rate, and oral processing at the same or similar test meal were recorded on four non-consecutive days for 146 participants (117 male, 29 female) recruited across four separate studies. All the meals were video recorded, and oral processing behaviours were derived through behavioural coding...
August 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28816042/rapid-and-reliable-detection-of-alkaline-phosphatase-by-a-hot-spots-amplification-strategy-based-on-well-controlled-assembly-on-single-nanoparticle
#12
Yi Zeng, Jia-Qiang Ren, Shaokai Wang, Jiaming Mai, Bing Qu, Yan Zhang, Ai-Guo Shen, Jiming Hu
The first appeal of clinical assay is always accurate and rapid. For alkaline phosphatase (ALP) monitoring in medical treatment, a rapid, reliable surface-enhanced Raman scattering (SERS) test kit is designed based on a "hot spots" amplification strategy. Consisting of alkyne-tagged Au nanoparticles (NPs), Ag+, and enzyme substrate, the packaged test kit can achieve one-step clinical assay of ALP in human serum within several minutes, while the operation is simple as it directly inputs the sample into the test kit...
August 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28815800/a-method-for-data-driven-exploration-to-pinpoint-key-features-in-medical-data-and-facilitate-expert-review
#13
Kristina Juhlin, Kristina Star, G Niklas Norén
PURPOSE: To develop a method for data-driven exploration in pharmacovigilance and illustrate its use by identifying the key features of individual case safety reports related to medication errors. METHODS: We propose vigiPoint, a method that contrasts the relative frequency of covariate values in a data subset of interest to those within one or more comparators, utilizing odds ratios with adaptive statistical shrinkage. Nested analyses identify higher order patterns, and permutation analysis is employed to protect against chance findings...
August 16, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28814927/weight-loss-supplements-boon-or-bane
#14
EDITORIAL
Reshma Mohamed Ansari, Norfaizatul Shalida Omar
Dietary health supplements for weight loss seem to be the future nowadays. However, this industry is plagued by lack of regulations and ignorance regarding the constituents of the supplements. Of all the supplements consumed, the ones for weight loss are most commonly found in the market. Reports of liver failure, kidney impairment and worsening of chronic ailments in patients who consume these supplements are surfacing recently which make us question the credibility of these products. The safety of these products lie in the clear stating of the ingredients by the manufacturer, well informed patient, knowledgeable physician and tight regulations from the regulatory board...
May 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28814895/caffeine-as-an-opioid-analgesic-adjuvant-in-fibromyalgia
#15
J Ryan Scott, Afton L Hassett, Chad M Brummett, Richard E Harris, Daniel J Clauw, Steven E Harte
BACKGROUND: Caffeine's properties as an analgesic adjuvant with nonsteroidal anti-inflammatory drugs/acetaminophen are well documented. However, little clinical research has explored caffeine's effects on opioid analgesia. This study assessed the effects of caffeine consumption on pain and other symptoms in opioid-using and nonusing chronic pain patients meeting the survey criteria for fibromyalgia. MATERIALS AND METHODS: Patients presenting to a university-based pain clinic completed validated self-report questionnaires assessing symptoms...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28814720/seasonal-total-methane-depletion-in-limestone-caves
#16
Chris L Waring, Stuart I Hankin, David W T Griffith, Michael A Kertesz, Victoria Kobylski, Neil L Wilson, Nicholas V Coleman, Graham Kettlewell, Robert Zlot, Michael Bosse, Graham Bell
Methane concentration in caves is commonly much lower than the external atmosphere, yet the cave CH4 depletion causal mechanism is contested and dynamic links to external diurnal and seasonal temperature cycles unknown. Here, we report a continuous 3-year record of cave methane and other trace gases in Jenolan Caves, Australia which shows a seasonal cycle of extreme CH4 depletion, from ambient ~1,775 ppb to near zero during summer and to ~800 ppb in winter. Methanotrophic bacteria, some newly-discovered, rapidly consume methane on cave surfaces and in external karst soils with lifetimes in the cave of a few hours...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814125/recreational-drug-use-at-a-major-music-festival-trend-analysis-of-anonymised-pooled-urine
#17
Lotte Christine Groth Hoegberg, Cecilie Christiansen, Jesper Soe, Rasmus Telving, Mette Findal Andreasen, Dan Staerk, Lona Louring Christrup, Kenneth Thermann Kongstad
OBJECTIVE: The spread of new psychoactive substances (NPS) has expanded rapidly in the last decade. The complexity of the pharmacological effects of NPS challenges the traditional treatment guidelines, and information of the emergence of new arrivals is valuable. Our knowledge on the actual range of recreational drugs used and NPS available in Denmark is limited as identification is possible only when consumers become patients in the healthcare system or through drug seizures. We aimed to detect classical recreational drugs and NPS in the urine of music festival attendees and evaluate if the use of NPS could have been predicted by comparing study data with drug seizure data from the previous year published by European and Danish health authorities...
August 17, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28814033/towards-nirs-based-hand-movement-recognition
#18
Marco Paleari, Riccardo Luciani, Paolo Ariano
This work reports on preliminary results about on hand movement recognition with Near InfraRed Spectroscopy (NIRS) and surface ElectroMyoGraphy (sEMG). Either basing on physical contact (touchscreens, data-gloves, etc.), vision techniques (Microsoft Kinect, Sony PlayStation Move, etc.), or other modalities, hand movement recognition is a pervasive function in today environment and it is at the base of many gaming, social, and medical applications. Albeit, in recent years, the use of muscle information extracted by sEMG has spread out from the medical applications to contaminate the consumer world, this technique still falls short when dealing with movements of the hand...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813595/activation-of-a-nickel-based-oer-catalyst-on-a-hematite-photoanode-via-incorporation-of-cerium-for-photoelectrochemical-water-oxidation
#19
Hyungseob Lim, Jae Young Kim, Edward J Evans, Amritesh Rai, Jun-Hyuk Kim, Bryan R Wygant, Charles Buddie Mullins
There has been debate on whether Ni(OH)2 is truly catalytically active for the photo/-electrocatalytic oxygen evolution reaction. In this report, we have synthesized a Ni(OH)2 co-catalyst on a hematite photoanode and showed that, as has been proposed in other studies, the current density varies as a function of scan rate, which arise due to a photo-induced capacitive charging effect. We have discovered that this photo-induced charging of Ni2+/3+ can be overcome by mixing cerium nitrate into the Ni precursor solution...
August 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28812931/advocacy-and-public-policy-perceptions-and-involvement-of-master-certified-health-education-specialists
#20
Dianne L Kerr, Emily Van Wasshenova, Rachel Mahas, F Jeannine Everhart, Amy Thompson, Debra Boardley
Master Certified Health Education Specialists (MCHES; n = 186) participated in a mail survey on advocacy and public policy. Over half of participants reported that they had contacted a public official or provided policy-related information to consumers or other professionals. Participants identified barriers and benefits to influencing public policy. The greatest benefit was identified as improving the health or welfare of the public while the greatest barrier was that they were busy with other priorities. Participants also described their level of involvement, knowledge, training in advocacy, and their self-efficacy in performing various advocacy activities...
September 2017: Health Promotion Practice
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