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https://www.readbyqxmd.com/read/28548172/a-theoretical-study-on-anion-sensing-mechanism-of-multi-phosphonium-triarylboranes-intramolecular-charge-transfer-and-configurational-changes
#1
Haamid R Bhat, Prakash C Jha
The binding selectivity and recognition mechanism of a series of mono-, di- and triphosphonium substituted triarylboranes: (4-(dimesitylboryl)-3,5-dimethylphenyl)phosphonium ([Mes2BAr(P)](+), 1), 1,1'-mesitylboranediylbis(3,5-dimethylphenyl)phosphonium ([MesBAr(P)2](2+), 2) and 1,1',1''-boranetriyltris(3,5-dimethylphenyl)phosphonium ([BAr(P)3](3+), 3) where Ar(P) = 4-(H3P)-2,6-Me2-C6H2, for various anions has been investigated by employing density functional theory (DFT) and time dependent-density functional theory (TD-DFT) methods...
May 26, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28545835/omniphr-a-distributed-architecture-model-to-integrate-personal-health-records
#2
Alex Roehrs, Cristiano André da Costa, Rodrigo da Rosa Righi
The advances in the Information and Communications Technology (ICT) brought many benefits to the healthcare area, specially to digital storage of patients' health records. However, it is still a challenge to have a unified viewpoint of patients' health history, because typically health data is scattered among different health organizations. Furthermore, there are several standards for these records, some of them open and others proprietary. Usually health records are stored in databases within health organizations and rarely have external access...
May 22, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28542274/detecting-infection-hotspots-modeling-the-surveillance-challenge-for-elimination-of-lymphatic-filariasis
#3
Julie R Harris, Ryan E Wiegand
BACKGROUND: During the past 20 years, enormous efforts have been expended globally to eliminate lymphatic filariasis (LF) through mass drug administration (MDA). However, small endemic foci (microfoci) of LF may threaten the presumed inevitable decline of infections after MDA cessation. We conducted microsimulation modeling to assess the ability of different types of surveillance to identify microfoci in these settings. METHODS: Five or ten microfoci of radius 1, 2, or 3 km with infection marker prevalence (intensity) of 3, 6, or 10 times background prevalence were placed in spatial simulations, run in R Version 3...
May 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28535969/economic-evaluation-of-infection-control-activities
#4
Takayuki Seko, Tomoya Tachi, Naoki Kawashima, Teruo Maeda, Minako Yasuda, Yoshihiro Noguchi, Hitomi Teramachi
BACKGROUND: Healthcare-associated infections by drug-resistant bacteria affect a patient's prognosis. Infection control activities at medical institutions in Japan are increasingly focused on the threat from these bacteria. AIM: Infection control activities incur various costs. The aim of this study was to undertake a full cost analysis that included the costs of consumables and labour required for infection control activities. METHODS: We surveyed the cost of infection control activities undertaken by the infection control team (ICT) at Nishimino Kosei Hospital in Japan, from January 2013 to December 2015...
May 20, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28533426/a-reappraised-meta-analysis-of-the-genetic-association-between-vitamin-d-receptor-bsm-i-rs1544410-polymorphism-and-pulmonary-tuberculosis-risk
#5
Mohammed Y Areeshi, Raju K Mandal, Sajad Ahmad Dar, Abdulrahman M Alshahrani, Aqeel Ahmad, Arshad Jawed, Mohd Wahid, Mohtashim Lohani, Aditya K Panda, Shafiul Haque
BsmI (rs1544410) polymorphism located in intron 8 at the 3' end of the VDR gene is known to be involved in the regulation of mRNA stability. Many studies evaluated the possible correlation between VDR Bsm I polymorphism and the risk of pulmonary tuberculosis (PTB), and reported conflicting results. In this study, an updated meta-analysis was performed to evaluate the above said association. PubMed, EMBASE, and Google Scholar web-databases were searched for the relevant studies and a meta-analysis was performed by calculating pooled odds ratios (ORs) and 95% confidence intervals (95% CIs) for all the genetic models...
May 22, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28528553/protonation-induced-room-temperature-phosphorescence-in-fluorescent-polyurethane
#6
Wei Sun, Zhaowu Wang, Tao Wang, Li Yang, Jun Jiang, Xing Yuan Zhang, Yi Luo, Guoqing Zhang
Room-temperature phosphorescence (RTP) from purely organic systems is of practical importance in biological imaging, oxygen sensing and displaying technologies. The key step to obtaining RTP from organic molecules is efficient intersystem crossing (ISC), which is usually low compared to inorganic materials. Here we show that protonation of a dye molecule, a thioflavin derivative, in strongly polar polyurethane can be used to effectively harness RTP. Prior to protonation, the predominant transition is π-π* for the polymer, which has nearly undetectable RTP due to the large singlet-triplet energy splitting (0...
May 22, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28528494/carotenoid-to-bacteriochlorophyll-energy-transfer-in-the-rc-lh1-pufx-complex-from-rhodobacter-sphaeroides-containing-the-extended-conjugation-keto-carotenoid-diketospirilloxanthin
#7
Václav Šlouf, Gürkan Keşan, Radek Litvín, David J K Swainsbury, Elizabeth C Martin, C Neil Hunter, Tomáš Polívka
RC-LH1-PufX complexes from a genetically modified strain of Rhodobacter sphaeroides that accumulates carotenoids with very long conjugation were studied by ultrafast transient absorption spectroscopy. The complexes predominantly bind the carotenoid diketospirilloxanthin, constituting about 75% of the total carotenoids, which has 13 conjugated C=C bonds, and the conjugation is further extended to two terminal keto groups. Excitation of diketospirilloxanthin in the RC-LH1-PufX complex demonstrates fully functional energy transfer from diketospirilloxanthin to BChl a in the LH1 antenna...
May 20, 2017: Photosynthesis Research
https://www.readbyqxmd.com/read/28527817/lymphatic-filariasis-elimination-efforts-in-rufiji-south-eastern-tanzania-decline-in-circulating-filarial-antigen-prevalence-in-young-school-children-after-twelve-rounds-of-mass-drug-administration-and-utilization-of-long-lasting-insecticide-treated-nets
#8
Clarer Jones, Billy Ngasalla, Yahya A Derua, Donath Tarimo, Mwelecele N Malecela
BACKGROUND: Lymphatic filariasis (LF) is a parasitic infection transmitted by mosquito vectors and in sub Saharan Africa it is caused by nematode Wuchereria bancrofti. The disease has been targeted for global elimination by using annual mass drug administration (MDA) strategy. On the other hand, vector control is known to play important complementary role to the MDAs in reducing LF transmission. We report the findings of the effect of MDA and ITNs intervention implemented in endemic area of south-eastern Tanzania METHODS: A cross-sectional study for W...
May 17, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28525861/an-experimental-and-theoretical-study-of-solvent-hydrogen-bond-donating-capacity-effects-on-ultrafast-intramolecular-charge-transfer-of-ld-490
#9
Hui Li, Hang Yin, Xiaochun Liu, Ying Shi, Mingxing Jin, Dajun Ding
The excited-state intramolecular charge transfer (ICT) of LD 490 were investigated in different hydrogen-bond-donating solvents (α scale) on the basis of the Kamlet-Taft solvatochromic parameters (π*, α, β). The femtosecond transient absorption spectra and the kinetics decay rate reveal that with an increase of solvent's α capacity, the long-lived picosecond process, which is attributed to the ICT, becomes much faster. Combining with time-dependent density functional theory (TDDFT) calculations, we demonstrate that the enhancement of α acidity substantially increases the electronegativity of the carbonyl oxygen in LD 490, which strengthen excited-state intermolecular hydrogen bonding interactions and consequently facilitate the ICT process...
May 15, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28523053/seroprevalence-of-transfusion-transmitted-infections-among-different-blood-group-donors-at-blood-bank-lumhs-hyderabad
#10
Faheem Ahmed Memon, Ikram Din Ujjan, Amir Iqbal Memon, Abdul Rehman Shaikh, Ali Raza Rao, Arshi Naz
OBJECTIVES: To study the prevalence of HBsAg, Anti-HCV, HIV, Syphilis and Malaria in blood donors. METHODS: This is a cross sectional descriptive study, conducted at Blood bank and Transfusion center at Liaquat University of Medical & Health Sciences (LUMHS) Hyderabad, during the period from January, 2014 to June, 2015. A total of 4683 blood donors were screened for HBsAg, Anti-HCV and HIV on Architect 20001 (manufactured by Abbott), employing chemiluminescent microparticle immunoassay (CMIA)...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28520478/violence-against-women-and-household-ownership-of-radios-computers-and-phones-in-20-countries
#11
Lauren F Cardoso, Susan B Sorenson
OBJECTIVES: To examine the relationship between household ownership of information and communication technologies (ICTs) and justifications for wife beating. METHODS: Women aged 15 to 49 years in 20 countries were surveyed via UNICEF's Multiple Indicator Cluster Surveys between 2006 and 2014. Multivariate logistic regressions accounted for individual-, household-, and structural-level variables. RESULTS: Household ownership of any ICT (radio, computer, fixed phone, or mobile phone but not television) was associated with increased odds of women rejecting wife beating...
May 18, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28516345/performance-and-cost-evaluation-of-health-information-systems-using-micro-costing-and-discrete-event-simulation
#12
Olfa Rejeb, Claire Pilet, Sabri Hamana, Xiaolan Xie, Thierry Durand, Saber Aloui, Anne Doly, Pierre Biron, Lionel Perrier, Vincent Augusto
Innovation and health-care funding reforms have contributed to the deployment of Information and Communication Technology (ICT) to improve patient care. Many health-care organizations considered the application of ICT as a crucial key to enhance health-care management. The purpose of this paper is to provide a methodology to assess the organizational impact of high-level Health Information System (HIS) on patient pathway. We propose an integrated performance evaluation of HIS approach through the combination of formal modeling using the Architecture of Integrated Information Systems (ARIS) models, a micro-costing approach for cost evaluation, and a Discrete-Event Simulation (DES) approach...
May 17, 2017: Health Care Management Science
https://www.readbyqxmd.com/read/28508813/web-and-mobile-based-hiv-prevention-and-intervention-programs-pros-and-cons-a-review
#13
Sharareh Niakan, Esmaeil Mehraeen, Tayebeh Noori, Elahe Gozali
BACKGROUND: With the increasing growth of HIV positive people the use of information and communication technologies (ICT) can play an important role in controlling the spread of the AIDS. Web and Mobile are the new technologies that young people take advantage from them. OBJECTIVES: In this study a review to investigate the web and mobile based HIV prevention and intervention programs was carried out. METHODS: A scoping review was conducted including PubMed, Science direct, Web of Science and Proquest to find relevant sources that published in 2009 to 2016...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28508810/timed-up-and-go-device-for-unsupervised-functional-assessment-of-elderly-patients
#14
Andreas Ziegl, Robert Modre-Osprian, Alberto Sánchez, Markus Falgenhauer, Peter Kastner, Günter Schreier
Functional evaluation of elderly patients is one key component in a comprehensive Geriatric Assessment. The increased workload and high costs associated to close and continuous monitoring in clinical settings may be counterbalanced by the application of ICT-supported remote follow-up. Although clinical parameters and questionnaires can be supported with smartphones and smart gadgets, physical performance trials pose a challenge for community-based approaches with difficulties arising from setting up trials, the lack of guidance and supervision...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28508794/on-the-prototyping-of-an-ict-enhanced-toilet-system-for-assisting-older-persons-living-independently-and-safely-at-home
#15
Paul Panek, Gabor Fazekas, Theresa Lüftenegger, Peter Mayer, Tamas Pilissy, Matteo Raffaelli, Atilla Rist, Ramona Rosenthal, Arso Savanovic, Anna Sobjak, Franziska Sonntag, Andras Toth, Birgit Unger
Standard toilets often do not meet the needs of a significant number of older persons and persons with disabilities. The EU funded iToilet project aims at design and development of a new type of ICT enhanced modular toilet system which shall be able to support autonomy, dignity and safety of older persons living at home. Methodologically the project started with gathering user requirements by means of questionnaires, interviews and focus group discussion involving a total of 74 persons, thereof 41 subjects with movement disorders (primary users), 21 caregivers (secondary users) and 12 healthcare managers (tertiary users)...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28508786/implementation-of-nationwide-electronic-health-record-in-albania-a-case-study
#16
Olegas Niaksu, Paulin Kodra, Mariola Pina, Johannes Grabenweger
BACKGROUND: This paper presents a case study of the nationwide implementation of an Electronic Health Record system based on industry standards. OBJECTIVES: To critically review the finalized nationwide EHR implementation in Albania, pointing out the achievements and the shortcomings, gained knowledge and sharing lessons learned. METHODS: This paper reports on our analysis of the project's documentation, first-hand experience working with healthcare professionals during and after project implementation...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28508533/cocrystal-engineering-creating-two-photon-absorption-property-by-intermolecular-charge-transfer-interactions
#17
Wenping Hu, Lingjie Sun Sun, Weigang Zhu Zhu, Wei Wang Wang, Fangxu Yang Yang, Congcong Zhang Zhang, Shufeng Wang Wang, Xiaotao Zhang Zhang, Rongjin Li, Huanli Dong
A new cocrystal of 4-Styrylpyridine and 1,2,4,5-Tetracyanobenzene has been successfully achieved through supramolecular self-assembly, in which the donor-acceptor interactions as the main self-assembly driving force contribute to the intermolecular charge transfer (ICT). Attractively, interesting two-photon absorption (TPA) properties are generated from the co-crystals which does not find in their individual single components. It is found that the TPA properties are originated from the ICT interactions in the D-A system...
May 15, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28502219/towards-an-ethics-for-telehealth
#18
Carlo Botrugno
Over the last two decades, a public rationale for the implementation of telehealth has emerged at the interplay of specialised literature and political orientations. Despite the lack of consistent findings on the magnitude of its benefits, telehealth is nowadays presented as a worthy solution both for patients and healthcare institutions. Far from denying the potential advantages of telehealth, the main objective of this work is to provide a critical assessment on the spread of the remote services as a vector of positive transformation of contemporary health systems...
January 1, 2017: Nursing Ethics
https://www.readbyqxmd.com/read/28501562/a-joint-venture-model-of-recontacting-in-clinical-genomics-challenges-for-responsible-implementation
#19
Sandi Dheensa, Daniele Carrieri, Susan Kelly, Angus Clarke, Shane Doheny, Peter Turnpenny, Anneke Lucassen Dphil
Advances in genomics often lead healthcare professionals (HCPs) to learn new information, e.g., about reinterpreted variants that could have clinical significance for patients seen previously. A question arises of whether HCPs should recontact these former patients. We present some findings interrogating the views of patients with a rare or undiagnosed condition about how such recontacting might be organised ethically and practically. Forty-one interviews with patients were analysed thematically. Participants suggested a 'joint venture' model in which efforts to recontact are shared with HCPs...
May 10, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28500536/benzocoumarin-styryl-hybrids-aggregation-and-viscosity-induced-emission-enhancement
#20
Umesh Warde, Nagaiyan Sekar
Two benzo[h]chromen-3-yl)ethylidene) malononitrile styryl hybrid dyes are synthesized and characterized by NMR and elemental analysis. One is based on nitrogen donor and other on oxygen (3b and 3b respectively). Dyes are low emissive in the solution but dramatically showed increase in emission intensity in aggregates form in the THF (tetrahydrofuran) /water system. Dyes are also sensitive to viscosity and showed increased emission intensity in the DCM:PEG 400 system and DMF:PEG 400 system respectively. Dyes 3a and 3b showed higher viscosity sensitivity constant (0...
May 12, 2017: Journal of Fluorescence
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