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https://www.readbyqxmd.com/read/29667916/fiscal-impact-of-smoking-cessation-in-thailand-a-government-perspective-cost-benefit-analysis
#1
Mark P Connolly, Nikolaos Kotsopoulos, Pichaya Suthipinijtham, Suthat Rungruanghiranya
We evaluate the broader public economic consequences of investments in smoking cessation that change lifetime productivity, which can influence future government tax revenue and social transfer costs and health care spending. The analysis applies a government perspective framework for assessing the intergenerational relationships between morbidity and mortality and lifetime tax revenue and social transfers received. Applying smoking prevalence in Thailand, a cohort model was developed for smoker and former smokers to estimate impact on lifetime direct taxes and tobacco taxes paid...
April 1, 2018: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/29667904/establishing-cut-offs-for-urine-erythrocyte-and-leukocyte-dipstick-tests
#2
Yousun Chung, Dae-Hyun Ko, Jungwon Hyun, Hyun Soo Kim, Min-Jeong Park, Dong Hoon Shin
Urine erythrocyte (Ery) and leukocyte (Leu) dipstick tests are essential for detecting microhematuria and urinary tract infection. Currently, there is no suggestion for establishing the cut-off limits in an ordinal scale test. This study aimed to establish the cut-off limits for urine Ery and Leu dipstick tests via probit regression. From 1 January 2016 to 30 June 2016, laboratory data were collected from patients at one teaching hospital whose specimen had analytical results from both a urine dipstick test and an automated urine particle analyzer...
April 18, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29667902/myocardial-protection-following-del-nido-cardioplegia-in-pediatric-cardiac-surgery
#3
Debasish Panigrahi, Saibal Roychowdhury, Rahul Guhabiswas, Emmanuel Rupert, Mrinalendu Das, Pradeep Narayan
Background This study was designed to compare myocardial protection with del Nido cardioplegia and conventional blood cardioplegia in children undergoing cardiac surgery in Risk Adjustment for Congenital Heart Surgery categories 1 and 2. Methods Sixty patients were randomized into 2 groups receiving del Nido cardioplegia solution or conventional blood cardioplegia. Myocardial injury was assessed using biochemical markers (troponin I and creatine kinase-MB). Vasoactive-inotropic scores were calculated to compare inotropic requirements...
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29667818/balancing-the-electron-and-hole-transfer-for-efficient-quantum-dot-light-emitting-diodes-by-employing-a-versatile-organic-electron-blocking-layer
#4
Xiao Jin, Chun Chang, Weifeng Zhao, Shujuan Huang, Xiaobing Gu, Qin Zhang, Feng Li, Yubao Zhang, Qinghua Li
The electron blocking layer (EBL) is important to balance the charge carrier transfer and achieve highly efficient quantum dot light-emitting diodes (QLEDs). Here we report the utilization of a soluble tert-butyldimethylsilyl chloride-modified poly(p-phenylene benzobisoxazole) (TBS-PBO) as an EBL for simultaneous good charge carrier transfer balance while maintaining high current density. We show that the versatile TBS-PBO blocks excess electron injection into the QDs, thus leading to better charge carrier transfer balance...
April 18, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29667813/a-sensitive-water-soluble-reversible-optical-probe-for-hg-2-detection
#5
Sayani Das, Anindita Sarkar, Ananya Rakshit, Ankona Datta
We report the serendipitous discovery of an optical mercury sensor while trying to develop a water-soluble manganese probe. The sensor is based on a pentaaza macrocycle conjugated to a hemicyanine dye. The pentaaza macrocycle earlier designed in our group was used to develop photoinduced electron transfer (PET)-based "turn-on" fluorescent sensors for manganese. (1) In an attempt to increase the water-solubility of the manganese sensors we changed the dye from BODIPY to hemicyanine. The resultant molecule qHCM afforded a distinct reversible change in the absorption features and a concomitant visible color change upon binding to Hg2+ ions, leading to a highly water-soluble mercury sensor with a 10 ppb detection limit...
April 18, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29667740/capturing-volatile-organic-compounds-employing-a-superalkali
#6
Heejune Park, Giovanni Meloni
In this study, interactions between the superalkali species Li3F2 and four volatile organic compounds (VOCs), methanol, ethanol, formaldehyde, and acetaldehyde, are assessed using the CBS-QB3 composite model. Adiabatic ionization energy (AIE), adiabatic electron affinity (AEA), binding energy (BE), charge transfer (∆q), and highest occupied molecular orbital and lowest unoccupied molecular orbital (HOMO-LUMO) gaps have been computed. Stronger interactions are observed between Li3F2 and the aldehydes than alcohols...
April 18, 2018: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29667672/tuning-ultrafast-electron-injection-dynamics-at-organic-graphene-metal-interfaces
#7
Abhilash Ravikumar, Gregor Kladnik, Moritz Müller, Albano Cossaro, Gregor Bavdek, Laerte L Patera, Daniel Sánchez-Portal, Latha Venkataraman, Alberto Morgante, Gian Paolo Brivio, Dean Cvetko, Guido Fratesi
We compare the ultrafast charge transfer dynamics of molecules on epitaxial graphene and bilayer graphene grown on Ni(111) interfaces through first principles calculations and X-ray resonant photoemission spectroscopy. We use 4,4'-bipyridine as a prototypical molecule for these explorations as the energy level alignment of core-excited molecular orbitals allows ultrafast injection of electrons from a substrate to a molecule on a femtosecond timescale. We show that the ultrafast injection of electrons from the substrate to the molecule is ∼4 times slower on weakly coupled bilayer graphene than on epitaxial graphene...
April 18, 2018: Nanoscale
https://www.readbyqxmd.com/read/29667603/atomic-clocks-for-geodesy
#8
Tanja E Mehlstäubler, Gesine Grosche, Christian Lisdat, Piet O Schmidt, Heiner Denker
We review experimental progress on optical atomic clocks and frequency transfer, and consider the prospects of using these technologies for geodetic measurements. Today, optical atomic frequency standards have reached relative frequency inaccuracies below 10-17 , opening new fields of fundamental and applied research. The dependence of atomic frequencies on the gravitational potential makes atomic clocks ideal candidates for the search for deviations in the predictions of Einstein's general relativity, tests of modern unifying theories and the development of new gravity field sensors...
April 18, 2018: Reports on Progress in Physics
https://www.readbyqxmd.com/read/29667553/car-t-cell-therapy-a-new-era-in-cancer-immunotherapy
#9
Miliotou N Androulla, Papadopoulou C Lefkothea
BACKGROUND: Cancer is one of the leading causes of death worldwide. Over the years, a number of conventional cytotoxic approaches for neoplastic diseases has been developed. However, due to their limited effectiveness in accordance with the heterogeneity of cancer cells, there is a constant search for therapeutic approaches with improved outcome, such as immunotherapy that utilizes and enhances the normal capacity of the patient's immune system. METHODS: Chimeric Antigen Receptor (CAR) T-cell therapy involves genetic modification of patient's autologous T-cells to express a CAR specific for a tumor antigen, following by ex vivo cell expansion and re-infusion back to the patient...
April 17, 2018: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29667534/assessing-manual-wheelchair-caster-design-for-mobility-in-winter-conditions
#10
M Berthelette, D D Mann, J Ripat, C M Glazebrook
Wheelchair users who live in cold climates are faced with daily difficulties related to personal independence and societal inclusion, as their assistive devices are unable to overcome the physical barriers created by snow and ice. The purpose of the research was to evaluate four commercially available casters to determine which caster performed best on snow-covered surfaces. Performance measures included: travel time, force transfer through the palms of the hands, number of propulsive movements, static resistance to movement, kinetic resistance to movement, and caster penetration into the packed snow...
April 18, 2018: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/29667519/an-investigation-of-factors-affecting-the-performance-of-wheelchair-transfers
#11
Giulia Barbareschi, Catherine Holloway
PURPOSE: Being able to transfer in and out of their wheelchair is an important task for wheelchair users that can be affected by a variety of different factors. The aim of this study was to investigate the interplay between personal characteristics, wheelchair users' transferring technique and the other factors that can affect the performance of wheelchair transfers. METHOD: A cross-sectional survey study was designed to recruit wheelchair users, aged 18 or older, performing sitting-pivot or standing-pivot wheelchair transfers, independently or with assistance...
April 18, 2018: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29667516/comparison-on-surface-properties-and-desulfurization-of-mno-2-and-pyrolusite-blended-activated-carbon-by-steam-activation
#12
Guochen Zhang, Xin Zhao, Ping Ning, Danni Yang, Xia Jiang, Wenju Jiang
In this study, MnO2 and pyrolusite were used as the catalysts to prepare modified activated carbon, i.e., AC-Mn and AC-P, respectively, from coals by blending method and steam activation. The BET results indicated that the AC-P had higher surface areas and micropore volumes than the AC-Mn with the same blending ratio. The relative contents of basic functional groups (i.e. C = O, π-π*) on AC-P were slightly lower than those on AC-Mn, while both contained the same main metal species, i.e. MnO. The desulfurization results showed that with 3 wt% of blending ratio, AC-Mn3 and AC-P3 had higher sulfur capacities at 220 and 205 mg/g, respectively, which were much higher than blank one (149...
April 18, 2018: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/29667512/alternative-technique-to-transfer-jaw-relations-for-custom-mandibular-advancement-devices-a-case-report
#13
Filiz Keyf, Defne Burduroğlu, Selma Fırat Güven, Bülent Çiftçi
Background Oral appliance therapy for obstructive sleep apnea can be helpful in mild and moderate cases. This clinical report evaluates the efficacy of a protocol that predicts an optimal jaw position and describes the response of a young OSA patient to treatment. Clinical Presentation A 27-year-old woman was diagnosed with moderate OSA and had an apnea-hypopnea index (AHI) of 25.8/hr. In order to fabricate a custom device, an alternative procedure to determine the optimal protrusion and vertical positioning of the jaw was applied...
April 18, 2018: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29667464/end-user-evaluation-of-a-kneeling-wheelchair-with-on-the-fly-adjustable-seating-functions
#14
Johanne Mattie, Angie Wong, Danny Leland, Jaimie Borisoff
A "kneeling" ultralight wheelchair prototype has been developed that allows users to adjust seat position "on the fly" for different activities throughout the day. The wheelchair includes independent adjustment functions for rear seat height, front seat height ("kneeling") and backrest angle.  Aim: This work aimed to gather feedback about the wheelchair's functionality and performance through end user evaluation trials.  Methods: Eight manual wheelchair users evaluated the prototype Kneeling Wheelchair for a range of activities...
April 18, 2018: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29667395/benzothiazole-based-aiegen-with-tunable-excited-state-intramolecular-proton-transfer-esipt-and-restricted-intramolecular-rotation-rir-processes-for-highly-sensitive-physiological-ph-sensing
#15
Kai Li, Qi Feng, Guangle Niu, Weijie Zhang, Yuanyuan Li, Miaomiao Kang, Kui Xu, Juan He, Hongwei Hou, Ben Zhong Tang
In this work, a benzothiazole-based aggregation-induced emission luminogen (AIEgen) of 2-(5-(4-carboxyphenyl)-2-hydroxyphenyl)benzothiazole (3) was designed and synthesized, which exhibited multi-fluorescence emissions in different dispersed or aggregated state based on tunable excited-state intramolecular proton transfer (ESIPT) and restricted intramolecular rotation (RIR) processes. 3 was successfully used as a ratiometric fluorescent chemosensor for the detection of pH, which exhibited reversible acid/base-switched yellow/cyan emission transition...
April 18, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29667357/revealing-the-double-edged-sword-role-of-graphene-on-boosted-charge-transfer-versus-active-site-control-in-tio-2-nanotube-arrays-rgo-mos-2-heterostructure
#16
Quan Quan, Shunji Xie, Bo Weng, Ye Wang, Yi-Jun Xu
Charge separation/transfer is generally believed to be the most key factor affecting the efficiency of photocatalysis, which however will be counteracted if not taking the active site engineering into account for a specific photoredox reaction. Here, a 3D heterostructure composite is designed consisting of MoS2 nanoplatelets decorated on reduced graphene oxide-wrapped TiO2 nanotube arrays (TNTAs@RGO/MoS2 ). Such a cascade configuration renders a directional migration of charge carriers and controlled immobilization of active sites, thereby showing much higher photoactivity for water splitting to H2 than binary TNTAs@RGO and TNTAs/MoS2 ...
April 18, 2018: Small
https://www.readbyqxmd.com/read/29667337/insights-into-the-n-heterocyclic-carbene-nhc-catalyzed-intramolecular-cyclization-of-aldimines-general-mechanism-and-role-of-catalyst
#17
Xue Li, Mingsheng Tang, Yanyan Wang, Yang Wang, Zhongjun Li, Ling-Bo Qu, Donghui Wei
One of the most challenging questions in the Lewis base organocatalyst field is how to predict the most electrophilic carbon for the complexation of N-heterocyclic carbene (NHC) and reactant. This study provides a valuable case for this issue. Multiple mechanisms (A, B, C, D and E) for the intramolecular cyclization of aldimine catalyzed by NHC were investigated using density functional theory (DFT). The computed results reveal that NHC energetically prefers attacking the iminyl carbon (AIC mode, which is associated with mechanisms A and C) rather than attacking the olefin carbon (AOC mode, which is associated with mechanisms B and D) or attacking the carbonyl carbon (ACC mode, which is associated with mechanism E) of aldimine...
April 17, 2018: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/29667325/a-host-configured-lithium-sulfur-cell-built-on-3d-nickel-photonic-crystal-with-superior-electrochemical-performances
#18
Shengxuan Lin, Yang Yan, Zihe Cai, Lin Liu, Xiaobin Hu
The insulator of the sulfur cathode and the easy dendrites growth of the lithium anode are the main barriers for lithium-sulfur cells in commercial application. Here, a 3D NPC@S/3D NPC@Li full cell is reported based on 3D hierarchical and continuously porous nickel photonic crystal (NPC) to solve the problems of sulfur cathode and lithium anode at the same time. In this case, the 3D NPC@S cathode can not only offer a fast transfer of electron and lithium ion, but also effectively prevent the dissolution of polysulfides and the tremendous volume change during cycling, and the 3D NPC@Li anode can efficiently inhibit the growth of lithium dendrites and volume expansion, too...
April 18, 2018: Small
https://www.readbyqxmd.com/read/29667316/opposite-effects-of-the-spinach-food-matrix-on-lutein-bioaccessibility-and-intestinal-uptake-lead-to-unchanged-bioavailability-compared-to-pure-lutein
#19
Marielle Margier, Caroline Buffière, Pascale Goupy, Didier Remond, Charlotte Halimi, Catherine Caris, Patrick Borel, Emmanuelle Reboul
SCOPE: Food matrix is generally believed to alter carotenoid bioavailability, but its effect on xanthophylls is usually limited. We thus aimed to decipher the digestion-absorption process of lutein in the presence or not of a food matrix. METHODS: We assessed lutein transfer to gastric-like lipid droplets or artificial mixed micelles when lutein was added to test meals either as a pure molecule ((all-E)-lutein) or in canned spinach ((Z) + (all-E)-lutein). The obtained mixed micelles were delivered to Caco-2 cells to evaluate lutein uptake...
April 17, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29667254/adjustable-electrochemiluminescence-from-highly-passivated-cdte-cds-nanocrystals-via-simple-surface-decoration-with-counterions
#20
Yupeng He, Shifeng Hou, Liqiong Yang, Fang Zhang, Guizheng Zou
Tunable optics and electronics of II-VI nanocrystals (NCs) is mainly achieved in the traditional size-dependent strategy. Herein, adjustable triggering energy, intensity, and even spectrum for reductive-oxidation electrochemiluminescence (ECL) from highly-passivated CdTe/CdS NCs of the same size are achieved via decorating NCs with counterions, which proves surface chemistry can bring out varied electrostatic interaction between surface vacancies and electrochemically injected carriers for adjustable electrochemical redox induced radiative charge-transfer...
April 17, 2018: Chemistry: a European Journal
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