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https://www.readbyqxmd.com/read/28732329/an-experimental-study-on-the-influence-of-water-stagnation-and-temperature-change-on-water-quality-in-a-full-scale-domestic-drinking-water-system
#1
Lj Zlatanović, J P van der Hoek, J H G Vreeburg
The drinking water quality changes during the transport through distribution systems. Domestic drinking water systems (DDWSs), which include the plumbing between the water meter and consumer's taps, are the most critical points in which water quality may be affected. In distribution networks, the drinking water temperature and water residence time are regarded as indicators of the drinking water quality. This paper describes an experimental research on the influence of stagnation time and temperature change on drinking water quality in a full-scale DDWS...
July 10, 2017: Water Research
https://www.readbyqxmd.com/read/28731870/the-association-of-cognitive-reserve-in-chronic-phase-functional-and-neuropsychological-outcomes-following-traumatic-brain-injury
#2
Jacob B Leary, Grace Y Kim, Catherine L Bradley, Uzma Z Hussain, Maryanne Sacco, Martha Bernad, John Collins, John Dsurney, Leighton Chan
OBJECTIVE: Examine the association of cognitive reserve (CR) factors (estimated premorbid intelligence quotient [IQ], years of education, and occupational attainment) and traumatic brain injury (TBI) severity with functional and neuropsychological outcomes 1 to 5 years following TBI. PARTICIPANTS: Patients with mild (N = 58), moderate (N = 25), or severe (N = 17) TBI. MAIN MEASURES: Cognitive reserve factors (estimated premorbid IQ, years of education, and occupational attainment); neuropsychological test battery; Glasgow Outcome Scale-Extended; Short Form-36 Health Survey...
July 20, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28731369/experimental-evaluation-of-tranexamic-acid-loaded-porous-starch-as-a-hemostatic-powder
#3
Chaoyun Xi, Liguo Zhu, Yuan Zhuang, Shufang Wang, Guixiang Sun, Yaqian Liu, Deqing Wang
We evaluated the effectiveness of a novel hemostatic powder called Tranexamic Acid-loaded Porous Starch (TAPS) developed recently on blood clotting activity and hemostasis. The effectiveness of TAPS was evaluated by comparing hemostatic properties with those of Quick-acting Styptic Powder (QSP) and Compound Microporous Polysaccharide Haemostatic powder (CMPHP). The blood clotting activities of human blood were analyzed by thromboela-stogram (TEG) assays in vitro. The hemostatic effectiveness in vivo was evaluated using a rat model with hepatic traumatic hemorrhage...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28730575/the-effect-of-chronic-fluorosis-on-calcium-ions-and-camkii%C3%AE-and-c-fos-expression-in-the-rat-hippocampus
#4
Yao Teng, Jing Zhang, Zigui Zhang, Juan Feng
This study investigated neurotoxicity of chronic fluorosis in the rat hippocampus. Newly weaning, male, Sprague-Dawley (SD) rats were administered 15, 30, and 60 mg/L sodium fluoride (NaF) solution (fluorine ion concentration 8.25, 16.50, and 33.00 mg/L, respectively), and tap water, for 18 months. The neurotoxicological mechanism was examined with a focus on intracellular calcium overload. Results showed that as the fluoride concentration increased, calcium ion concentration [Ca(2+)], the expression of calcium/calmodulin-dependent protein kinase II α (CaMKIIα), and the expression of catus proto-oncogene protein c-fos (c-fos) all tend to increase...
July 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28729233/dynamo-a-modular-platform-for-monitoring-process-outcome-and-algorithm-based-treatment-planning-in-psychotherapy
#5
Tim Kaiser, Anton Rupert Laireiter
BACKGROUND: In recent years, the assessment of mental disorders has become more and more personalized. Modern advancements such as Internet-enabled mobile phones and increased computing capacity make it possible to tap sources of information that have long been unavailable to mental health practitioners. OBJECTIVE: Software packages that combine algorithm-based treatment planning, process monitoring, and outcome monitoring are scarce. The objective of this study was to assess whether the DynAMo Web application can fill this gap by providing a software solution that can be used by both researchers to conduct state-of-the-art psychotherapy process research and clinicians to plan treatments and monitor psychotherapeutic processes...
July 20, 2017: JMIR Medical Informatics
https://www.readbyqxmd.com/read/28728559/effect-of-insulin-therapy-and-dietary-adjustments-on-safety-and-performance-during-simulated-soccer-tests-in-people-with-type-1-diabetes-study-protocol-for-a-randomized-controlled-trial
#6
Javier Calvo-Marín, Gabriel Torrealba-Acosta, Matthew Campbell, Jesse Gaboury, Ajmol Ali, Chih Hao Chen-Ku
BACKGROUND: Despite the reduction in glycemic derangement in patients with type 1 diabetes mellitus (T1D) through dietary and therapeutic adjustments implemented before, during and after continuous exercise, evidence for its effectiveness with intermittent forms of exercise, such as soccer, is still lacking. METHODS/DESIGN: We designed a study protocol for a randomized, crossover, double-blinded, controlled trial, for the evaluation of the effect that a strategy of dietary and therapeutic modifications may have on safety and performance of persons with T1D in soccer training sessions and cognitive testing...
July 20, 2017: Trials
https://www.readbyqxmd.com/read/28727917/a-3d-printed-portable-optical-sensing-platform-for-smartphones-capable-of-detecting-the-herbicide-2-4-dichlorophenoxyacetic-acid
#7
Yijia Wang, Mohamed Maarouf Ali Zeinhom, Mingming Yang, Rongrong Sun, Shengfu Wang, Jordan N Smith, Charles Timchalk, Lei Li, Yuehe Lin, Dan Du
Onsite rapid detection of herbicide and herbicide residuals in environmental and biological specimens is important for agriculture, environment, food safety, and health care. Traditional method for herbicide detection requires expensive laboratory equipment and a long turn-round time. In this work, we developed a single-stripe microliter plate smartphone colorimetric device for rapid and low-cost in-field test. This portable smartphone platform is capable of screening 8 samples in a microplate single-stripe...
July 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28727704/evaluating-the-adjuvant-effect-of-dexamethasone-to-ropivacaine-in-transversus-abdominis-plane-block-for-inguinal-hernia-repair-and-spermatocelectomy-a-randomized-controlled-trial
#8
Robert Wegner, Duane Akwar, Sarah Guzman-Reyes, Greesha Pednekar, Rabail Chaudhry, Navneet Grewal, Naveen Kukreja, Omar L Mancillas, George W Williams, Omonele Nwokolo
BACKGROUND: The transversus abdominis plane (TAP) block is a relatively straightforward regional technique used for postoperative analgesia in patients undergoing abdominal surgeries. Various adjuvants have been used in past to prolong the duration of action of analgesia in peripheral nerve blocks. Several studies investigating the analgesic efficacy of dexamethasone added to local anesthetic agents, such as bupivacaine, have shown promising results. However, there are few studies comparing the efficacy of dexamethasone with ropivacaine...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28727528/racial-ethnic-and-socioeconomic-disparities-in-hydration-status-among-us-adults-and-the-role-of-tap-water-and-other-beverage-intake
#9
Carolyn J Brooks, Steven L Gortmaker, Michael W Long, Angie L Cradock, Erica L Kenney
OBJECTIVES: To evaluate whether differences in tap water and other beverage intake explain differences in inadequate hydration among US adults by race/ethnicity and income. METHODS: We estimated the prevalence of inadequate hydration (urine osmolality ≥ 800 mOsm/kg) by race/ethnicity and income of 8258 participants aged 20 to 74 years in the 2009 to 2012 National Health and Nutrition Examination Survey. Using multivariable regression models, we estimated associations between demographic variables, tap water intake, and inadequate hydration...
July 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28726022/quantification-of-hand-motor-symptoms-in-parkinson-s-disease-a-proof-of-principle-study-using-inertial-and-force-sensors
#10
Josien C van den Noort, Rens Verhagen, Kees J van Dijk, Peter H Veltink, Michelle C P M Vos, Rob M A de Bie, Lo J Bour, Ciska T Heida
This proof-of-principle study describes the methodology and explores and demonstrates the applicability of a system, existing of miniature inertial sensors on the hand and a separate force sensor, to objectively quantify hand motor symptoms in patients with Parkinson's disease (PD) in a clinical setting (off- and on-medication condition). Four PD patients were measured in off- and on- dopaminergic medication condition. Finger tapping, rapid hand opening/closing, hand pro/supination, tremor during rest, mental task and kinetic task, and wrist rigidity movements were measured with the system (called the PowerGlove)...
July 19, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28725990/molecular-characterization-of-the-indigenous-stingless-bees-tetragonula-spp-complex-using-issr-marker-from-southern-peninsular-india
#11
P P Nayak, J Prakash
India is a country bestowed enormously with stingless bees, but genetic information about them is extremely minimal. This study focused to tap the geographic allocation, genetic variability, and differentiation among Tetragonula species complexes from natural and semi-urban habitats. Genetic analyses were assessed among 36 contrasting genotypes utilizing 20 ISSR primers. The dual combination exquisitely and productively amplified 245 DNA fragments at the loci, of which 240 bands were polymorphic (97.95%). Low to moderate level of genetic differentiation was detected from different estimators (Ht 0...
July 19, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28725129/estimation-of-fluoride-concentration-in-drinking-water-and-common-beverages-in-united-arab-emirates-uae
#12
Tarun Walia, Salem Abu Fanas, Madiha Akbar, Jamal Eddin, Mohamad Adnan
OBJECTIVE: To assess fluoride concentration in drinking water which include tap water of 4 emirates - Abu Dhabi, Dubai, Sharjah and Ajman plus bottled water, commonly available soft drinks & juices in United Arab Emirates. METHODS: Five different samples of tap water collected from each of the four emirates of UAE: Ajman, Sharjah, Abu Dhabi and Dubai; twenty-two brands of bottled water and fifteen brands of popular cold beverages, purchased from different supermarkets in U...
July 2017: Saudi Dental Journal
https://www.readbyqxmd.com/read/28724270/synergistic-effects-of-ad-libitum-low-dose-fructose-drinking-and-low-dose-streptozotocin-treatment-in-wistar-rats-a-mild-model-of-type-2-diabetes
#13
Asie Sadeghi, Maani Beigy, Samira Alizadeh, Hossein Mazloom, Sanaz Vakili, Saideh Ahmadi, Reza Meshkani
To develop a convenient animal model of T2D by pretreatment with low-dose 10% w/v fructose (FRC) solution followed by the injection of low doses of streptozotocin (STZ) in Wistar rats. For this 8-week experimental study; rats were first fed a standard chow ad-libitum diet and either tap water (n=40) or 10% w/v FRC solution (n=40) for 4 weeks. Next, rats in each category were randomly allocated to 4 subgroups (n=10 each) of low-dose STZ (25,35, and 45 mg/kg). The final mean fasting blood sugar (FBG) of FRC+STZ45 (197±55...
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28724110/coal-bed-methane-water-effects-on-soil-properties-and-camelina-productivity
#14
Henry Y Sintim, Valtcho D Zheljazkov, Michael E Foley, Roque L Evangelista
Every year, the production of coal-bed natural gas in the Powder River Basin results in the discharge of large amounts of coal-bed methane water (CBMW) in Wyoming; however, no sustainable disposal methods for CBMW are currently available. A greenhouse study was conducted to evaluate the potential to use CBMW as a source of irrigation water for camelina [ (L.) Crantz]. We assessed the effects of three CBMW concentrations (0% [1:0], 50% [1:1], and 100% [0:1] tap water to CBMW) on selected soil properties, growth, seed oil, and fatty acid composition of three camelina cultivars: Blaine Creek, Ligena, and Pronghorn...
May 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28723714/vent-incisions-to-facilitate-peripheral-unfolding-of-the-dmek-graft
#15
Christopher Liu, Alfonso Vasquez-Perez, Jordan Vassileff Chervenkoff, Venkata Avadhanam
PURPOSE: To present the results of 15 cases in which a modified technique of Descemet membrane endothelial keratoplasty (DMEK) with vent incisions was used to assist unfolding of tight peripheral inward folds. METHODS: This is a retrospective case series of 15 consecutive eyes that underwent a modified vent incision technique for DMEK. Six oblique, small-size (1 mm) vent incisions parallel to the limbus and 3.5 mm from the center were performed after descemetorhexis...
July 17, 2017: Cornea
https://www.readbyqxmd.com/read/28723208/the-triple-roles-of-glutathione-for-a-dna-cleaving-dnazyme-and-development-of-a-fluorescent-glutathione-cu-2-dependent-dnazyme-sensor-for-detection-of-cu-2-in-drinking-water
#16
Shijin Wang, Chengcheng Liu, Guiying Li, Yongjie Sheng, Yanhong Sun, Hongyue Rui, Jin Zhang, Jiacui Xu, Dazhi Jiang
Pistol-like DNAzyme (PLDz) is an oxidative DNA-cleaving catalytic DNA with ascorbic acid as cofactor. Herein, glutathione was induced into the reaction system to maintain reduced ascorbic acid levels for higher efficient cleavage. However, data indicated that glutathione played triple roles in PLDz-catalyzed reactions. Glutathione alone had no effect on PLDz, and showed inhibitory effect on ascorbic acid-induced PLDz catalysis, but exhibited stimulating effect on Cu(2+)-promoted self-cleavage of PLDz. Further analysis of the effect of glutathione/Cu(2+) on PLDz indicated that H2O2 played a key role in PLDz catalysis...
March 24, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28723185/silanization-of-sapphire-surfaces-for-optical-sensing-applications
#17
Tanja Sandner, Annina M Steinbach, Peter Knittel, Thomas Diemant, R Jürgen Behm, Steffen Strehle, Christine Kranz, Boris Mizaikoff
Well-characterized silane layers are essential for optimized attachment of (bio)molecules enabling reliable chem/biosensor performance. Herein, binding properties and orientation of 3-mercaptopropyltrimethoxysilane layers at crystalline sapphire (0001) surfaces were determined by water contact angle measurements, infrared reflection absorption spectroscopy, atomic force microscopy, and X-ray photoelectron spectroscopy. Infrared reflection absorption spectroscopy measurements suggest an almost perpendicular arrangement of the MPTMS molecules to the substrate surface...
April 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28721534/capsule-commentary-on-gryczynski-et-al-validation-of-the-taps-1-a-four-item-screening-tool-to-identify-unhealthy-substance-use-in-primary-care
#18
Sarah M Hartz
No abstract text is available yet for this article.
July 18, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28720878/comparison-of-dna-pma-and-rna-based-16s-rrna-illumina-sequencing-for-detection-of-live-bacteria-in-water
#19
Ru Li, Hein Min Tun, Musarrat Jahan, Zhengxiao Zhang, Ayush Kumar, Dilantha Fernando, Annemieke Farenhorst, Ehsan Khafipour
The limitation of 16S rRNA gene sequencing (DNA-based) for microbial community analyses in water is the inability to differentiate live (dormant cells as well as growing or non-growing metabolically active cells) and dead cells, which can lead to false positive results in the absence of live microbes. Propidium-monoazide (PMA) has been used to selectively remove DNA from dead cells during downstream sequencing process. In comparison, 16S rRNA sequencing (RNA-based) can target live microbial cells in water as both dormant and metabolically active cells produce rRNA...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720600/is-the-mechanism-of-re-expansion-pulmonary-oedema-in-a-heart-lung-interaction
#20
Candy Masego Mokotedi, Martin Balik
The mechanism of re-expansion pulmonary oedema (Re-PE) is unclear. There are multiple variables in play when evaluating the response to evacuation of pleural fluid. We present an educational case of a critically ill patient admitted for respiratory failure who was fully dependent on ventricular pacing set at a constant rate throughout the episode of Re-PE. The transthoracic echocardiography (TTE) showed an ejection fraction of 38%, moderate mitral regurgitation (MR), mildly dilated right ventricle and moderate pulmonary hypertension...
July 18, 2017: BMJ Case Reports
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