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https://www.readbyqxmd.com/read/29793146/development-of-a-novel-tridentate-ligand-for-colorimetric-detection-of-mn-2-based-on-agnps
#1
Jianyu Wei, Jinfan Chen, Guozong Yue, Liangsheng Hu, Danqing Zhao, Jing Zhu, Luming Yang, Deshun Huang, Pengxiang Zhao
A novel tridentate ligand nitrilotris(methylene)tris(1,2,3-triazole)triacetate (NTTTA) has been synthesized by click reaction and followed with ester hydrolysis reaction. The silver nanoparticles (AgNPs) were then modified and stabilized by this ligand, and subsequently been employed for the highly selective and sensitive colorimetric detection of Mn2+ in aqueous solution. The presence of Mn2+ can cause the aggregation of AgNPs, which leads to the color change of the dispersion from yellow to brown, as well as the decrease and red-shift of the surface plasmon resonance absorption...
May 9, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29793085/socio-demographic-factors-associated-with-choosing-violent-methods-of-suicide-2011-2016-ilam-province
#2
Yousef Veisani, Fathola Mohamadian, Ali Delpisheh, Salman Khazaei
BACKGROUND: In new strategies towards of suicide prevention the best approach currently is based on specific method had specific risk factors. Therefore in this study we aimed to find out the association between socio-demographic factors and methods in completed suicide, 2011-2016, Ilam province. METHODS: A cross-sectional study, 2011-2016, was conducted. A total of 540 completed suicides were recruited to the study. Data were collected by systematic registration suicide data (SRSD) and Legal Medicine Organization (LMO)...
May 21, 2018: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29793050/small-scale-managed-marine-areas-over-time-developments-and-challenges-in-a-local-fijian-reef-fishery
#3
Elodie Fache, Annette Breckwoldt
This paper investigates the Locally Managed Marine Area (LMMA) approach through looking at developments and challenges of community-based marine resource management over time, with a particular focus on Fiji in the South Pacific region. A diachronic perspective, based on two multi-method empirical studies, is used to exemplify the social complexities of the implementation of this LMMA approach in a specific island setting. This perspective connects local stakeholders' establishment and management of a LMMA covering their entire customary fishing rights area (iqoliqoli) with the national context articulated around the Fiji Locally Managed Marine Area (FLMMA) network, as well as with regional networking and international conservation dynamics...
May 21, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29793025/simultaneous-immobilization-of-borate-arsenate-and-silicate-from-geothermal-water-derived-from-mining-activity-by-co-precipitation-with-hydroxyapatite
#4
Keiko Sasaki, Yoshikazu Hayashi, Kenta Toshiyuki, Binglin Guo
The treatment of the geothermal water discharged through mining activity is a critical issue because the rate of discharge is 12,000 m3 per day and the discharge contains high concentrations of borate (>20 mg/L) and arsenate (ca. 0.4 mg/L) as well as silicate and carbonate. The simultaneous reduction of borate and arsenate concentrations to acceptable levels was successfully performed by co-precipitation with hydroxyapatite (HAp). Although the coexisting high concentrations of carbonate act as a disturbing element, the co-precipitation equilibrium of borate was shifted to lower values by adjusting the P/Ca molar ratio, and the removal rate of borate was accelerated by using Al3+ additives, resulting in the efficient reduction of borate within 1 h...
May 16, 2018: Chemosphere
https://www.readbyqxmd.com/read/29792994/lumbar-spinal-stenosis-comparison-of-surgical-practice-variation-and-clinical-outcome-in-three-national-spine-registries
#5
Greger Lønne, Peter Fritzell, Olle Hägg, Dennis Nordvall, Paul Gerdhem, Tobias Lagerbäck, Mikkel Andersen, Søren Eiskjaer, Martin Gehrchen, Wilco Jacobs, Miranda L van Hooff, Tore K Solberg
BACKGROUND: Decompression surgery for lumbar spinal stenosis (LSS) is the most common spinal procedure in the elderly. To avoid persisting low back pain, adding arthrodesis has been recommended, especially if there is a coexisting degenerative spondylolisthesis. However, this strategy remains controversial, resulting in practice-based variation. PURPOSE: To evaluate in a pragmatic study if surgical selection criteria and variation in use of arthrodesis in three Scandinavian countries can be linked to variation in treatment effectiveness...
May 21, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29792925/change-in-patient-reported-outcomes-in-patients-with-and-without-mechanical-symptoms-undergoing-arthroscopic-meniscal-surgery-a-prospective-cohort-study
#6
Kenneth Pihl, Aleksandra Turkiewicz, Martin Englund, L Stefan Lohmander, Uffe Jørgensen, Nis Nissen, Jeppe Schjerning, Jonas B Thorlund
OBJECTIVE: Patients with degenerative or traumatic meniscal tears are at high risk of developing knee osteoarthritis. We investigated if younger (≤40 years) and older (>40 years) patients with preoperative mechanical symptoms improved more in patient-reported outcomes after meniscal surgery than those without mechanical symptoms. DESIGN: Patients from Knee Arthroscopy Cohort Southern Denmark (KACS) undergoing arthroscopic surgery for a meniscal tear completed online questionnaires before surgery, and at 12 and 52 weeks follow-up...
May 21, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29792911/prolonged-drug-release-properties-for-orodispersible-films-by-combining-hot-melt-extrusion-and-solvent-casting-methods
#7
Isabell Speer, Maren Preis, Jörg Breitkreutz
Orodispersible films (ODFs) are an advantageous dosage form to accomplish patient convenience and compliance in oral drug delivery. They provide a number of special application features, such as the ease of administration without water and suitability for patients with swallowing problems. However, this promising dosage form has been limited to immediate release formulations so far. The aim of this study was to develop a thin film produced by solvent casting, which is rapidly disintegrating when placed in the mouth, but which provides prolonged drug release characteristics by incorporating drug-loaded matrix particles (MPs)...
May 21, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29792891/pcl-eug-scaffolds-with-tunable-stiffness-can-regulate-macrophage-secretion-behavior
#8
REVIEW
Y Z B Xue, Yiming Niu, B Tang, C M Wang
Osteoarthritis (OA) is a prevalent joint disorder worldwide. Recent studies suggested that macrophages play an important role in the progression of OA. However, the detailed pathology related to macrophages is still ambiguous, especially those related to mechanotransduction. In this study, PCL/EUG composite scaffolds were first fabricated by electrospinning. The stiffness of as-fabricated scaffolds was controlled by adjusting the PCL-versus-EUG ratio. The mechanical properties, structural characterics and chemical composition of the scaffolds were investigated using various materials characterization techniques...
May 21, 2018: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/29792872/association-of-glucocerebrosidase-polymorphisms-and-mutations-with-dementia-in-incident-parkinson-s-disease
#9
Kristin Aaser Lunde, Janete Chung, Ingvild Dalen, Kenn Freddy Pedersen, Jan Linder, Magdalena E Domellöf, Eva Elgh, Angus D Macleod, Charalampos Tzoulis, Jan Petter Larsen, Ole-Bjørn Tysnes, Lars Forsgren, Carl E Counsell, Guido Alves, Jodi Maple-Grødem
INTRODUCTION: Both polymorphisms and mutations in glucocerebrosidase (GBA) may influence the development of dementia in patients with Parkinson's disease. METHODS: Four hundred forty-two patients and 419 controls were followed for 7 years. Dementia was diagnosed using established criteria. Participants were analyzed for GBA genetic variants, including E326K, T369M, and L444P. Associations between GBA carrier status and dementia were assessed with Cox survival analysis...
May 21, 2018: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/29792750/metrics-to-evaluate-quality-of-glycemic-control-comparison-of-time-in-target-hypoglycemic-and-hyperglycemic-ranges-with-risk-indices
#10
David Rodbard
OBJECTIVE: We sought to cross validate several metrics for quality of glycemic control, hypoglycemia, and hyperglycemia. RESEARCH DESIGN AND METHODS: We analyzed the mathematical properties of several metrics for overall glycemic control, and for hypo- and hyperglycemia, to evaluate their similarities, differences, and interrelationships. We used linear regression to describe interrelationships and examined correlations between metrics within three conceptual groups...
May 2018: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/29792711/interfacial-emulsification-an-emerging-monodisperse-droplet-generation-method-for-microreactors-and-bioanalysis
#11
Shenglong Liao, Yi Tao, Wenbin Du, Yapei Wang
Generation of uniform droplets has been extensively investigated owing to its profound potentials both in scientific research and engineering applications. Although various methods have been put forward to expand this area, new innovations are still needed to improve the technical convenience and save instrumental cost. In this feature article, we highlight an Interfacial Emulsification technique that we developed in the past several years. This technique serves as a platform for preparing uniform droplets that are formed on the air-liquid interface of the continuous phase based on interfacial shearing...
May 24, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29792664/tricolor-white-light-emitting-carbon-dots-with-multiple-cores-shell-structure-for-wled-application
#12
Tianyi Zhang, Feifei Zhao, Li Li, Bin Qi, Dongxia Zhu, Jianhua Lü, Changli Lü
The past few years have witnessed the rapid development of carbon dots (CDs) due to their outstanding optical properties and a wide range of applications. However, the design and control of CDs with long-wavelength and multicolor emission are still huge challenges to be addressed for their practical use in different fields. Here, novel nitrogen doped multiple-cores@shell structured CDs with tricolor emissions of red, green and blue were constructed via one pot hydrothermal method from citric acid (CA) and 5-amino-1,10-phenanthroline (Aphen) as reactants and the growth process of CDs was monitored with the reaction time in the synthetic system...
May 24, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29792555/vaccine-hesitancy-among-caregivers-and-association-with-childhood-vaccination-timeliness-in-addis-ababa-ethiopia
#13
Nina B Masters, Yemesrach A Tefera, Abram L Wagner, Matthew L Boulton
INTRODUCTION: Vaccines are vital to reducing childhood mortality, and prevent an estimated 2 to 3 million deaths annually which disproportionately occur in the developing world. Overall vaccine coverage is typically used as a metric to evaluate the adequacy of vaccine program performance, though it does not account for untimely administration, which may unnecessarily prolong children's susceptibility to disease. This study explored a hypothesized positive association between increasing vaccine hesitancy and untimeliness of immunizations administered under the Expanded Program on Immunization (EPI) in Addis Ababa, Ethiopia...
May 24, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29792549/analysis-of-the-effects-of-individual-and-community-level-predictors-on-migrant-children-s-primary-immunization-in-yiwu-city-east-china
#14
Yu Hu, Yaping Chen, Liang Hui, Ying Wang
BACKGROUND: To evaluate the effects of a wide range of individual- and community-level factors on migrant children's primary immunization. METHODS: Migrant children aged 13-24 months (born from 1 June 2013 to 31 May 2014) were surveyed in Yiwu city, in June 2015. Social-demographic factors and vaccination records were collected. Five factors at community-level including community wealth, distance to the nearest immunization clinic, maternal education, antenatal clinic (ANC) visits, and hospital delivery were constructed...
May 24, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29792537/recognizing-quantifying-and-managing-patient-ventilator-asynchrony-in-invasive-and-noninvasive-ventilation
#15
Eugenio Garofalo, Andrea Bruni, Corrado Pelaia, Luisa Liparota, Nicola Lombardo, Federico Longhini, Paolo Navalesi
Patient-ventilator asynchrony may occur with modes of partial ventilatory support. Because this problem is associated with worsened outcomes, identifying and managing asynchronies has been recognized as a relevant clinical problem during both invasive and non-invasive (NIV) mechanical ventilation. Areas covered: In this review article, we first describe the different forms of patient-ventilator asynchrony and how they are classified and quantified. Then, we show how these asynchronies can be recognized, considering the techniques used to properly detect asynchronies, by either ventilator waveform observation, or through systems based on more complexes mathematical algorithms, by means of adjunctive signals, such as the electrical activity of the diaphragm or esophageal pressure...
May 24, 2018: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/29792533/efficacy-of-the-resilience-and-adjustment-intervention-after-traumatic-brain-injury-a-randomized-controlled-trial
#16
Jeffrey S Kreutzer, Jennifer H Marwitz, Adam P Sima, Ana Mills, Nancy H Hsu, Herman R Lukow
OBJECTIVE: Examine a psychoeducational and skill-building intervention's effectiveness for individuals after traumatic brain injury (TBI), using a two-arm, parallel, randomized, controlled trial with wait-listed control. METHODS: The Resilience and Adjustment Intervention (RAI) targets adjustment challenges and emphasizes education, skill-building and psychological support. Overall, 160 outpatients were randomly assigned to a treatment or wait-list control (WLC) group...
May 24, 2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29792521/problematic-video-gaming-in-a-young-spanish-population-association-with-psychosocial-health
#17
Carlos Buiza-Aguado, Araceli Alonso-Canovas, Celia Conde-Mateos, Juan Jose Buiza-Navarrete, Douglas Gentile
Problematic video gaming (PVG) is a concern for psychologists attending children and adolescents. Uniform diagnostic criteria are lacking, and risk factors are poorly understood. Internet gaming disorder (IGD) was included in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), and scales derived from its diagnostic criteria may be helpful to assess PVG. A multicenter study was conducted in secondary schools using an IGD-derived scale (dichotomous Nine-Item Internet Gaming Disorder Scale [IGD-9]), analyzing PVG-related variables...
May 24, 2018: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/29792505/a-new-test-for-the-assessment-of-working-memory-in-clinical-settings-validation-and-norming-of-a-month-ordering-task
#18
Imke Buekenhout, José Leitão, Ana A Gomes
Month ordering tasks have been used in experimental settings to obtain measures of working memory (WM) capacity in older/clinical groups based solely on their face validity. We sought to assess the appropriateness of using a month ordering task in other contexts, including clinical settings, as a psychometrically sound WM assessment. To this end, we constructed a month ordering task (ucMOT), studied its reliability (internal consistency and temporal stability), and gathered construct-related and criterion-related validity evidence for its use as a WM assessment...
May 24, 2018: Psychological Assessment
https://www.readbyqxmd.com/read/29792480/the-impact-of-familial-expressed-emotion-on-clinical-and-personal-recovery-among-patients-with-psychiatric-disorders-the-mediating-roles-of-self-stigma-content-and-process
#19
Kevin Ka Shing Chan, Chun Bun Lam
The present study examined the associations of familial expressed emotion (EE) with clinical and personal recovery among patients with psychiatric disorders, as well as the potential mechanisms underlying these associations. Guided by the content-process theory of self-stigma, we hypothesized that EE would be negatively associated with clinical and personal recovery and that these associations would be mediated by self-stigma content and process. A total of 311 patients with psychiatric disorders completed questionnaires on their perceptions of EE, self-stigma, and recovery...
May 24, 2018: American Journal of Orthopsychiatry
https://www.readbyqxmd.com/read/29792477/psychological-adjustment-in-spanish-young-adult-domestic-adoptees-mental-health-and-licit-substance-consumption
#20
Yolanda Sánchez-Sandoval, Sandra Melero
Although adoptive families have been shown to provide a protective context for human development, some adopted children and adolescents are at increased risk for psychological adjustment problems. On the other hand, little is known about psychological adjustment of young adult adoptees. The aim of this study is to analyze the mental health and legal substance consumption (tobacco and alcohol) of young adults (n = 134) who were domestically adopted by Spanish families. Young adults showed significantly worse scores on the Symptom Check-List-90-R (Derogatis, 1975) and also more substance use than did the Spanish general population, but fewer difficulties than did the clinical population...
May 24, 2018: American Journal of Orthopsychiatry
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