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https://www.readbyqxmd.com/read/29667526/optimizing-best-management-practices-to-control-anthropogenic-sources-of-atmospheric-phosphorus-deposition-to-inland-lakes
#1
Lee Weiss, Jesse Thé, Jennifer Winter, Bahram Gharabaghi
Excessive phosphorus loading to inland freshwater lakes around the globe has resulted in nuisance plant growth along the waterfronts, degraded habitat for cold water fisheries, and impaired beaches, marinas and waterfront property. The direct atmospheric deposition of phosphorus can be a significant contributing source to inland lakes. The atmospheric deposition monitoring program for Lake Simcoe, Ontario indicates roughly 20% of the annual total phosphorus load (2010-2014 period) is due to direct atmospheric deposition (both wet and dry deposition) on the lake...
April 18, 2018: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/29667028/a-review-of-commercial-and-medical-grade-physiological-monitoring-devices-for-biofeedback-assisted-quality-of-life-improvement-studies
#2
Pedro Nogueira, Joana Urbano, Luís Paulo Reis, Henrique Lopes Cardoso, Daniel Castro Silva, Ana Paula Rocha, Joaquim Gonçalves, Brígida Mónica Faria
With the rise in wearable technology and "health culture", we are seeing an increasing interest and affordances in studying how to not only prolong life expectancy but also in how to improve individuals' quality of life. On the one hand, this attempts to give meaning to the increasing life expectancy, as living above a certain threshold of pain and lack of autonomy or mobility is both degrading and unfair. On the other hand, it lowers the cost of continuous care, as individuals with high quality of life indexes tend to have lower hospital readmissions or secondary complications, not to mention higher physical and mental health...
April 17, 2018: Journal of Medical Systems
https://www.readbyqxmd.com/read/29666265/an-explainable-deep-machine-vision-framework-for-plant-stress-phenotyping
#3
Sambuddha Ghosal, David Blystone, Asheesh K Singh, Baskar Ganapathysubramanian, Arti Singh, Soumik Sarkar
Current approaches for accurate identification, classification, and quantification of biotic and abiotic stresses in crop research and production are predominantly visual and require specialized training. However, such techniques are hindered by subjectivity resulting from inter- and intrarater cognitive variability. This translates to erroneous decisions and a significant waste of resources. Here, we demonstrate a machine learning framework's ability to identify and classify a diverse set of foliar stresses in soybean [ Glycine max (L...
April 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29665633/spatial-glyphosate-and-ampa-redistribution-on-the-soil-surface-driven-by-sediment-transport-processes-a-flume-experiment
#4
Célia P M Bento, Meindert C Commelin, Jantiene E M Baartman, Xiaomei Yang, Piet Peters, Hans G J Mol, Coen J Ritsema, Violette Geissen
This study investigates the influence of small-scale sediment transport on glyphosate and AMPA redistribution on the soil surface and on their off-site transport during water erosion events. Both a smooth surface (T1) and a surface with "seeding lines on the contour" (T2) were tested in a rainfall simulation experiment using soil flumes (1 × 0.5 m) with a 5% slope. A dose of 178 mg m-2 of a glyphosate-based formulation (CLINIC® ) was applied on the upper 0.2 m of the flumes. Four 15-min rainfall events (RE) with 30-min interval in between and a total rainfall intensity of 30 mm h-1 were applied...
March 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29665101/2d-perovskites-with-short-interlayer-distance-for-high-performance-solar-cell-application
#5
Chunqing Ma, Dong Shen, Tsz-Wai Ng, Ming-Fai Lo, Chun-Sing Lee
2D perovskites have emerged as one of the most promising photovoltaic materials owing to their excellent stability compared with their 3D counterparts. However, in typical 2D perovskites, the highly conductive inorganic layers are isolated by large organic cations leading to quantum confinement and thus inferior electrical conductivity across layers. To address this issue, the large organic cations are replaced with small propane-1,3-diammonium (PDA) cations to reduce distance between the inorganic perovskite layers...
April 17, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29664696/evaluation-of-a-mobile-phone-app-for-providing-adolescents-with-sexual-and-reproductive-health-information-new-york-city-2013-2016
#6
Allyna Steinberg, Marybec Griffin-Tomas, Desiree Abu-Odeh, Alzen Whitten
The New York City (NYC) Department of Health and Mental Hygiene released the Teens in NYC mobile phone application (app) in 2013 as part of a program to promote sexual and reproductive health among adolescents aged 12-19 in NYC. The app featured a locator that allowed users to search for health service providers by sexual health services, contraceptive methods, and geographic locations. We analyzed data on searches from the Where to Go section of the app to understand the patterns of use of the app's search functionality...
January 1, 2018: Public Health Reports
https://www.readbyqxmd.com/read/29663618/synthesis-of-3h-benzo-e-indoline-and-its-application-to-small-molecule-organic-solar-cells
#7
Yao Chen, Jianglin Wu, Lin Yang, Bin Hu, Daobin Yang, Zhiyun Lu, Yan Huang
A squaraine-based small molecule (USQ-BI) bearing 3H-benzo[e]indoline was synthesized as an electron donor, and the corresponding organic solar cells show power conversion efficiency of 5.35% with an excellent short circuit current over 15 mA/cm2. At the same time, the hole mobility of USQ-BI was about 5 times (9.57×10-5 vs. 2.00×10-5 cm2 V-1 s-1) higher than that of indoline-based squaraine.
April 16, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29663265/telemedicine-and-mobile-health-technology-are-effective-in-the-management-of-digestive-diseases-a-systematic-review
#8
REVIEW
Brian C Helsel, Joel E Williams, Kristen Lawson, Jessica Liang, Jonathan Markowitz
BACKGROUND: Mobile applications and interactive websites are an increasingly used method of telemedicine, but their use lacks evidence in digestive diseases. AIM: This study aims to explore digestive disease studies that use telemedicine to effectively manage disease activity, help monitor symptoms, improve compliance to the treatment protocol, increase patient satisfaction, and enhance the patient-to-provider communication. METHODS: EBSCO, PubMed, and Web of Science databases were searched using Medical Subject Headings and other keywords to identify studies that utilized telemedicine in patients with digestive disease...
April 16, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29662765/a-wearable-exoskeleton-suit-for-motion-assistance-to-paralysed-patients
#9
Bing Chen, Chun-Hao Zhong, Xuan Zhao, Hao Ma, Xiao Guan, Xi Li, Feng-Yan Liang, Jack Chun Yiu Cheng, Ling Qin, Sheung-Wai Law, Wei-Hsin Liao
Background/Objective: The number of patients paralysed due to stroke, spinal cord injury, or other related diseases is increasing. In order to improve the physical and mental health of these patients, robotic devices that can help them to regain the mobility to stand and walk are highly desirable. The aim of this study is to develop a wearable exoskeleton suit to help paralysed patients regain the ability to stand up/sit down (STS) and walk. Methods: A lower extremity exoskeleton named CUHK-EXO was developed with considerations of ergonomics, user-friendly interface, safety, and comfort...
October 2017: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29662262/treatment-of-endo-periodontal-lesion-using-leukocyte-platelet-rich-fibrin-a-case-report
#10
Pablo Betancourt, Ricardo Elgueta, Ramon Fuentes
Case Description: The main objective of this paper was to report the clinical effectiveness of leukocyte- platelet- rich fibrin (L-PRF) in the treatment of a combined endo-periodontal lesion of an upper first premolar. Clinical Findings: The tooth had a profound abfraction on the vestibular aspect and presented no mobility but revealed a deep pocket measuring of 11 mm on the mesial vestibular aspect and 14 mm on the mesial palatine aspect. The three dimensional image analysis showed total bone loss in the mesial aspect and an extensively bone loss of the vestibular aspect of the vestibular root...
December 30, 2017: Colombia Médica: CM
https://www.readbyqxmd.com/read/29660960/are-functional-mobility-tests-responsive-to-group-physical-therapy-intervention-in-individuals-with-parkinson-s-disease
#11
Gessyca Spagnuolo, Christina D C M Faria, Bruna Adriana da Silva, Angélica Cristiane Ovando, Joyce Gomes-Osman, Alessandra Swarowsky
BACKGROUND: The Timed up and go test (TUG), the Five times sit-to-stand test (FTSTS) and the Bed Mobility test (BMT) are widely used in clinical practice for Parkinson Disease (PD). However, no reported studies have evaluated the responsiveness to group physical therapy intervention (GPTI). OBJECTIVE: To verify if TUG, FTSTS and BMT were responsive to GPTI. METHODS: Thirty individuals with PD were assessed prior to and after an 8-week evidence-based GPTI...
April 7, 2018: NeuroRehabilitation
https://www.readbyqxmd.com/read/29660665/investigation-of-anti-hepatitis-c-virus-sofosbuvir-and-daclatasvir-in-pure-form-human-plasma-and-human-urine-using-micellar-monolithic-hplc-uv-method-and-application-to-pharmacokinetic-study
#12
Dalia W Zidan, Wafaa S Hassan, Manal S Elmasry, Abdalla A Shalaby
Simultaneous determination of sofosbuvir (SOF), and daclatasvir (DAC) in their dosage forms, human urine and human plasma using simple and rapid micellar high performance liquid chromatographic method coupled with UV detection (HPLC-UV) had been developed and validated. These drugs are described as co-administered for treatment of Hepatitis C virus (HCV). HCV is the cause of Hepatitis C and some cancers such as liver cancer (hepatocellular carcinoma) and lymphomas in humans. Separation and quantitation were carried out on anonyx™ C8 monolithic (100 × 4...
April 7, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29660663/developing-an-uplc-ms-ms-method-to-quantify-maoecrystal-a-in-rat-plasma-application-to-a-pharmacokinetic-study
#13
Chenning Zhang, Caibin Qin, Guangyi Yang, Fadia Boughaba, Yue He, Weidong Ma, Yonghong Zhang, Song Gao
Maoecrystal A (MC-A) is an ent-kaurane-type diterpene isolated from Rabdosia eriocalyx (Dunn) Hara. MC-A has been reported to show different types of pharmacological activities, including anticancer, anti-inflammatory and bacteriostatic functions. However, bioanalysis of MC-A has not been reported. The purpose of this study is to develop an UPLC-MS/MS method to quantify MC-A in plasma and determine its pharmacokinetic properties using an animal model. The separation was performed using a Waters HSS T3 column (50 mm × 2...
April 10, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29659257/diurnal-variability-and-emission-pattern-of-decamethylcyclopentasiloxane-d-5-from-the-application-of-personal-care-products-in-two-north-american-cities
#14
Matthew M Coggon, Brian McDonald, Alexander Vlasenko, Patrick Veres, Francois Bernard, Abigail R Koss, Bin Yuan, Jessica B Gilman, Jeff Peischl, Kenneth C Aikin, Justin DuRant, Carsten Warneke, Shao-Meng Li, Joost A de Gouw
Decamethylcyclopentasiloxane (D5 ) is a cyclic volatile methyl siloxane (cVMS) that is widely used in consumer products and commonly observed in urban air. This study quantifies the ambient mixing ratios of D5 from ground sites in two North American cities (Boulder, CO, USA and Toronto, ON, CA). From these data, we estimate the diurnal emission profile of D5 in Boulder, CO. Ambient mixing ratios were consistent with those measured at other urban locations; however, the diurnal pattern exhibited similarities with those of traffic-related compounds such as benzene...
April 16, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29658753/aging-and-attention-to-self-selected-emotional-content-a-novel-application-of-mobile-eye-tracking-to-the-study-of-emotion-regulation-in-adulthood-and-old-age
#15
Derek M Isaacowitz, Kimberly M Livingstone, Michael Richard, Magy Seif El-Nasr
Previous studies of attentional deployment to a single stream of experimenter-selected affective stimuli have found that compared to younger adults, older adults attend relatively more to positive and less to negative stimuli, and this can relate to better mood for them. Past studies of situation selection have yielded a contrasting picture of age similarity. In everyday life, attentional deployment is fundamentally and dynamically related to situation selection, but prior studies have investigated them only in isolation...
March 2018: Psychology and Aging
https://www.readbyqxmd.com/read/29658672/-present-situation-and-prospect-of-enhanced-recovery-after-surgery-in-pancreatic-surgery
#16
Mengyu Feng, Taiping Zhang, Yupei Zhao
Enhanced recovery after surgery is a multimodal perioperative strategy according to the evidence-based medicine and multidisciplinary collaboration, aiming to improve the restoration of functional capacity after surgery by reducing surgical stress, optimal control of pain, early oral diet and early mobilization. Compared with other sub-specialty in general surgery, pancreatic surgery is characterized by complex disease, highly difficult procedure and more postoperative complications. Accordingly, pancreatic surgery shares a slow development in enhanced recovery after surgery...
May 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/29656642/-semi-ladder-type-bithiophene-imide-based-all-acceptor-semiconductors-synthesis-structure-property-correlations-and-unipolar-n-type-transistor-performance
#17
Yingfeng Wang, Han Guo, Alexandra Harbuzaru, Mohammad Afsar Uddin, Iratxe Arrechea-Marcos, Shaohua Ling, Jianwei Yu, Yumin Tang, Huiliang Sun, Juan Teodomiro López Navarrete, Rocio Ponce Ortiz, Han Young Woo, Xugang Guo
Development of high-performance unipolar n-type organic semiconductors still remains as a great challenge. In this work, all-acceptor bithiophene imide-based ladder-type small molecules BTIn and semiladder-type homopolymers PBTIn (n =1-5) were synthesized and their structure-property correlations were studied in depth. It was found that Pd-catalyzed Stille coupling is superior to Ni-mediated Yamamoto coupling to produce polymers with higher molecular weight and improved polymer quality, thus leading to greatly increased electron mobility (μe)...
April 14, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29656248/human-health-risk-assessment-for-nanoparticle-contaminated-aquifer-systems
#18
Tiziana Tosco, Rajandrea Sethi
Nanosized particles (NPs), such as TiO2 , Silver, graphene NPs, nanoscale zero-valent iron, carbon nanotubes, etc., are increasingly used in industrial processes, and releases at production plants and from landfills are likely scenarios for the next years. As a consequence, appropriate procedures and tools to quantify the risks for human health associated to these releases are needed. The tiered approach of the standard ASTM procedure (ASTM-E2081-00) is today the most applied for human health risk assessment at sites contaminated by chemical substances, but it cannot be directly applied to nanoparticles: NP transport along migration pathways follows mechanisms significantly different from those of chemicals; moreover, also toxicity indicators (namely, reference dose and slope factor) are NP-specific...
April 12, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29655840/capillary-electrophoresis-for-aluminum-ion-speciation-optimized-separation-conditions-for-complex-polycation-mixtures
#19
Nesrine Ouadah, Claudine Moire, Fabien Brothier, Jean-François Kuntz, Olivier Deschaume, Carmen Bartic, Hervé Cottet
Aluminum chlorohydrates (ACH) are used in numerous applications and commercial products on a global scale including water treatment, catalysis or antiperspirants. They are complex mixtures of water soluble aluminum polycations of different degrees of polymerization, that are difficult to separate and quantify due to their susceptibility to depolymerize in solution when placed out of equilibrium, which is inherent to any separation process. We recently achieved the first capillary electrophoresis separation and characterization of ACH oligomers using 4-morpholineethanesulfonic acid (MES) as background electrolyte counter-ion...
March 29, 2018: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29655528/a-mobile-app-for-patients-with-pompe-disease-and-its-possible-clinical-applications
#20
Giulia Ricci, Sigrid Baldanzi, Fabrizio Seidita, Chiara Proietti, Francesca Carlini, Silvia Peviani, Giovanni Antonini, Andrea Vianello, Gabriele Siciliano
In recent years, the potential of smart technology to provide innovative solutions for disease management has raised high expectations for patients' and healthcare professionals' community. We developed a mobile app, called AIGkit, specifically designed for adult patients with Pompe disease, with the aim to help them manage the burden of illness-related factors, and also to provide clinicians with continuous tracking of each patient in real-time and ambient conditions of everyday life. We present the AIGkit as an innovative approach exploiting cutting-edge technology to improve quality of care and research into neuromuscular disorders...
March 12, 2018: Neuromuscular Disorders: NMD
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