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https://www.readbyqxmd.com/read/30316175/factors-associated-with-home-births-in-a-selected-ward-in-mberengwa-district-zimbabwe
#1
Wilfred Njabulo Nunu, Vuyelwa Ndlovu, Auther Maviza, Moreblessings Moyo, Oliver Dube
OBJECTIVE: Despite many efforts put by the Government to ensure that women give birth in health facilities under trained personnel supervision; statistics suggest that ward 2 in Mberengwa District in Zimbabwe has the highest home births. This study sought to assess factors that are associated with home births in ward 2 of Mberengwa District in Zimbabwe. DESIGN: Case- control. SETTING: Ward 2 in Mberengwa District in Zimbabwe. PARTICIPANTS: 35 and 105 women who gave birth at home and facilities, respectively...
October 3, 2018: Midwifery
https://www.readbyqxmd.com/read/30307113/ratiometric-fluorescence-nanosensors-based-on-core-shell-structure-of-carbon-cdte-quantum-dots-and-surface-molecularly-imprinted-polymers-for-detection-of-sulfadiazine
#2
Xiaoqiang Chen, Yu Luan, Ningwei Wang, Zhiping Zhou, Xiaoni Ni, Yunfei Cao, GuangShe Zhang, Yufeng Lai, Wenming Yang
Sulfadiazine is an environmental pollutant derived from abuse of antibiotics. Its content in environmental water is closely related to human health. Thus, a novel dual emission surface molecularly imprinted nanosensor is designed for specific adsorption and detection of sulfadiazine. In the system, blue emissive carbon quantum dots wrapped with silica served as the internal reference signal for eliminating background interference while red emissive thioglycolic acid-modified CdTe quantum dots were encapsulated in the imprinted layer to offer recognition signal...
October 11, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/30285766/conceptualising-production-productivity-and-technology-in-pharmacy-practice-a-novel-framework-for-policy-education-and-research
#3
D Baines, I Bates, L Bader, C Hale, P Schneider
CONTEXT AND BACKGROUND: People and health systems worldwide face serious challenges due to shifting disease demographics, rising population demands and weaknesses in healthcare provision, including capacity shortages and lack of impact of healthcare services. These multiple challenges, linked with the global push to achieve universal health coverage, have made apparent the importance of investing in workforce development to improve population health and economic well-being. In relation to medicines, health systems face challenges in terms of access to needed medicines, optimising medicines use and reducing risk...
October 3, 2018: Human Resources for Health
https://www.readbyqxmd.com/read/30283997/a-signal-on-electrochemiluminescence-sensor-for-clenbuterol-detection-based-on-zinc-based-metal-organic-framework-reduced-graphene-oxide-cdte-quantum-dot-hybrids
#4
Xiaoxia Hu, Han Zhang, Shihong Chen, Ruo Yuan, Junhao You
Clenbuterol (CLB) is harmful to human health when used long term, and it has been listed by the World Anti-Doping Agency (WADA). In this work, a novel zinc-based metal-organic frameworks-reduced graphene oxide-CdTe quantum dots (ZnMOF-RGO-CdTe QDs) hybrid was used to construct an electrochemiluminescence (ECL) sensor for detecting CLB. CdTe QDs, loaded by RGO, exhibited an enhanced ECL signal. In addition, the ZnMOFs catalyzed OH• generation by coreactant H2 O2 , which further strengthened the ECL signal of the CdTe QDs...
October 3, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/30227840/long-term-psychiatric-inpatients-perspectives-on-weight-gain-body-satisfaction-diet-and-physical-activity-a-mixed-methods-study
#5
Susanna Every-Palmer, Mark A Huthwaite, Jane L Elmslie, Eve Grant, Sarah E Romans
BACKGROUND: Obesity is a significant problem for people with serious mental illness. We aimed to consider body size from the perspective of long-stay psychiatric inpatients, focussing on: weight gain and its causes and impacts; diet and physical activity; and the perceived ability to make meaningful change in these domains. METHOD: A mixed methods study with 51 long-term psychiatric forensic and rehabilitation inpatients using semi-structured interviews combined with biometric and demographic data...
September 18, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/30184800/quantum-dots-attached-to-graphene-oxide-for-sensitive-detection-of-ascorbic-acid-in-aqueous-solutions
#6
Nandhini Arumugam, JongSung Kim
Water-soluble fluorescent carboxyl-functionalized CdSe-ZnS quantum dots (QDs) were immobilized on graphene oxide (GO) and used for sensitive detection of ascorbic acid in aqueous solutions. QDs were attached to the surface of graphene oxide using the EDC/NHS-sulfo coupling reaction. Ascorbic acid is known as an antioxidant. It plays a crucial role in health maintenance, bio synthetic pathways such as formation of collagen and regulates immune system. The photoluminescence (PL) intensity of as-prepared GO-QD hybrids in water was quenched by ascorbic acid at ambient temperature...
November 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/30172510/highly-selective-and-sensitive-determination-of-uranyl-ion-by-the-probe-of-cdte-quantum-dot-with-a-specific-size
#7
Mengxia Hua, Sen Yang, Jiaqi Ma, Weiwei He, Liangju Kuang, Daoben Hua
Determination of trace amounts of uranyl ions is of great significance to environment and human health, but challenging. In this paper, we demonstrate a new approach for highly effective determination of uranyl ions by the probe of CdTe quantum dot (QD) with a specific size. The selectivity is relied on the probe of CdTe quantum dots; the selectivity, which was a function of QDs size, was optimum at 6.8 nm. The probe has a detection limit of 7.88 × 10-9 mol L-1 and responded linearly to uranyl ion concentration in the range of 2...
December 1, 2018: Talanta
https://www.readbyqxmd.com/read/30160338/a-real-time-wearable-uv-radiation-monitor-based-on-a-high-performance-p-cuzns-n-tio-2-photodetector
#8
Xiaojie Xu, Jiaxin Chen, Sa Cai, Zhenghao Long, Yong Zhang, Longxing Su, Sisi He, Chengqiang Tang, Peng Liu, Huisheng Peng, Xiaosheng Fang
Solar radiation, especially ultraviolet (UV) light, is a major hazard for most skin-related cancers. The growing needs for wearable health monitoring systems call for a high-performance real-time UV sensor to prevent skin diseases caused by excess UV exposure. To this end, here a novel self-powered p-CuZnS/n-TiO2 UV photodetector (PD) with high performance is successfully developed (responsivity of 2.54 mA W-1 at 0 V toward 300 nm). Moreover, by effectively replacing the Ti foil with a thin Ti wire for the anodization process, the conventional planar rigid device is artfully turned into a fiber-shaped flexible and wearable one...
August 30, 2018: Advanced Materials
https://www.readbyqxmd.com/read/30149792/the-future-of-nanotechnology-in-plant-pathology
#9
Wade Elmer, Jason C White
Engineered nanoparticles are materials between 1 and 100 nm and exist as metalloids, metallic oxides, nonmetals, and carbon nanomaterials and as functionalized dendrimers, liposomes, and quantum dots. Their small size, large surface area, and high reactivity have enabled their use as bactericides/ fungicides and nanofertilizers. Nanoparticles can be designed as biosensors for plant disease diagnostics and as delivery vehicles for genetic material, probes, and agrichemicals. In the past decade, reports of nanotechnology in phytopathology have grown exponentially...
August 25, 2018: Annual Review of Phytopathology
https://www.readbyqxmd.com/read/30128350/partnership-trajectories-and-cardiovascular-health-in-late-life-of-older-adults-in-england-and-germany
#10
Maja Djundeva
Objectives: Previous studies have shown marital status differences in incidence and prevalence of cardiovascular disease and cardiovascular mortality. This study examines the consequences of partnership on biomarkers related to cardiovascular health of older men and women in Germany and England (C-reactive protein, HbA1c, systolic and diastolic blood pressure; and total cholesterol). Methods: Data used is from older adults (60 +) from the German Survey of Health and Retirement Europe SHARE (n=955) and the English Longitudinal Study of Ageing ELSA (n=9707)...
December 2018: SSM—Population Health
https://www.readbyqxmd.com/read/30117440/mapping-of-health-research-funding-in-india
#11
Lalit Dandona, Rakhi Dandona, G Anil Kumar, Krycia Cowling, Pritty Titus, Vishwa Mohan Katoch, Soumya Swaminathan
Background.: We aimed to estimate the total annual funding available for health research in India. We also examined the trends of funding for health research since 2001 by major national and international agencies. Methods.: We did a retrospective survey of 1150 health research institutions in India to estimate the quantum of funding over 5 years. We explored the Prowess database for industry spending on health research and development and gathered data from key funding agencies...
November 2017: National Medical Journal of India
https://www.readbyqxmd.com/read/30097809/recent-status-of-nanomaterial-fabrication-and-their-potential-applications-in-neurological-disease-management
#12
REVIEW
Khwaja Salahuddin Siddiqi, Azamal Husen, Sayed Sartaj Sohrab, Mensur Osman Yassin
Nanomaterials (NMs) are receiving remarkable attention due to their unique properties and structure. They vary from atoms and molecules along with those of bulk materials. They can be engineered to act as drug delivery vehicles to cross blood-brain barriers (BBBs) and utilized with better efficacy and safety to deliver specific molecules into targeted cells as compared to conventional system for neurological disorders. Depending on their properties, various metal chelators, gold nanoparticles (NPs), micelles, quantum dots, polymeric NPs, liposomes, solid lipid NPs, microparticles, carbon nanotubes, and fullerenes have been utilized for various purposes including the improvement of drug delivery system, treatment response assessment, diagnosis at early stage, and management of neurological disorder by using neuro-engineering...
August 10, 2018: Nanoscale Research Letters
https://www.readbyqxmd.com/read/30086021/ncrp-vision-for-the-future-and-program-area-committee-activities-in-2017
#13
John D Boice
The National Council on Radiation Protection and Measurements' (NCRP) vision for the future is to improve radiation protection for the general public and workers. This vision is embodied within NCRP's ongoing initiatives: preparedness for nuclear terrorism, increasing the number of radiation professionals critically needed for the nation, providing new guidance for radiation protection in the United States, addressing the protection issues surrounding the ever-increasing use of ionizing radiation in medicine, assessing the radiation doses to aircrew due to higher altitude and longer flights, providing guidance on emerging radiation issues such as the radioactive waste from hydraulic fracturing, focusing on difficult issues such as high-level waste management, and providing better estimates of radiation risks at low doses within the framework of the Million Person Study of Low Dose Radiation Health Effects...
February 2018: Health Physics
https://www.readbyqxmd.com/read/30073803/carbon-based-nanomaterials-for-cancer-therapy-via-targeting-tumor-microenvironment
#14
REVIEW
Jabran Saleem, Liming Wang, Chunying Chen
Cancer remains one of the major health problems all over the world and conventional therapeutic approaches have failed to attain an effective cure. Tumor microenvironments (TME) present a unique challenge in tumor therapy due to their complex structures and multiple components, which also serve as the soil for tumor growth, development, invasion, and migration. The complex TME includes immune cells, fibrous collagen structures, and tortuous blood vessels, in which conventional therapeutic approaches are rendered useless...
August 2, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/30073717/label-free-optical-single-molecule-micro-and-nanosensors
#15
REVIEW
Sivaraman Subramanian, Hsin-Yu Wu, Tom Constant, Jolly Xavier, Frank Vollmer
Label-free optical sensor systems have emerged that exhibit extraordinary sensitivity for detecting physical, chemical, and biological entities at the micro/nanoscale. Particularly exciting is the detection and analysis of molecules, on miniature optical devices that have many possible applications in health, environment, and security. These micro- and nanosensors have now reached a sensitivity level that allows for the detection and analysis of even single molecules. Their small size enables an exceedingly high sensitivity, and the application of quantum optical measurement techniques can allow the classical limits of detection to be approached or surpassed...
August 2, 2018: Advanced Materials
https://www.readbyqxmd.com/read/30062964/a-review-on-quantum-dots-synthesis-to-in-silico-analysis-as-next-generation-antibacterial-agents
#16
Sounik Manna, Munmun Ghosh, Ranadhir Chakraborty, Sudipto Ghosh, Santi M Mandal
Succumbing to multi-drug resistant (MDR) bacteria is a great distress to recent health care system. Out of the several attempts that have been made to kill MDR pathogens, a few gained short-lived success. The failures, of the discovered or innovated antimicrobials, were mostly due to their high level of toxicity to hosts and the phenomenal rate of developing resistance by the pathogens against the new arsenal. Recently, a few quantum dots were tested against the pathogenic bacteria and therefore justified for potential stockpiling of next generation antibacterial agents...
July 31, 2018: Current Drug Targets
https://www.readbyqxmd.com/read/30047324/extrapolation-of-phenolic-compounds-as-multi-target-agents-against-cancer-and-inflammation
#17
Naresh Kumar, Saurabh Gupta, Tara Chand Yadav, Vikas Pruthi, Pritish Kumar Varadwaj, Nidhi Goel
Natural product acquires massive structural and chemical diversity, which cannot be coordinated by any synthetic libraries for small molecules and they are continuing to inspire novel discoveries in health sciences. We have performed the computational calculations for geometry optimization and prediction of electronic and structural properties of some plant phenolic compounds through Gaussian 09 program. Energies of molecular orbitals were computed, to mimic out the stabilities arising from charge delocalization and intramolecular interactions...
July 26, 2018: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/30039489/reproductive-drugs-and-environmental-contamination-quantum-impact-assessment-and-control-strategies
#18
Harpreet Kaur, Madhu Bala, Gulshan Bansal
Industrial and municipal solid wastes, noise, pesticides, fertilizers and vehicular emission are visible pollutants responsible for environmental contamination and ill-effects on health of all living systems. But, environmental contamination due to drugs or medicines used for different purposes in humans and animals goes unseen largely and can affect the health of living system severely. During the last few decades, the usage of drugs has increased drastically, resulting in increased drug load in soil and water...
September 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/30023562/multifunctional-biochar-for-highly-efficient-capture-identification-and-removal-of-toxic-metals-and-superbugs-from-water-samples
#19
Ye Gao, Avijit Pramanik, Salma Begum, Carrie Sweet, Stacy Jones, Azmain Alamgir, Paresh Chandra Ray
According to the World Health Organization, more than two billion people in our world use drinking water sources which are not free from pathogens and heavy metal contamination. Unsafe drinking water is responsible for the death of several millions in the 21st century. To find facile and cost-effective routes for developing multifunctional materials, which has the capability to resolve many of the challenges associated with drinking water problem, here, we report the novel design of multifunctional fluorescence-magnetic biochar with the capability for highly efficient separation, identification, and removal of pathogenic superbugs and toxic metals from environmental water samples...
November 30, 2017: ACS Omega
https://www.readbyqxmd.com/read/30016094/polyethylenimine-capped-cds-quantum-dots-for-sensitive-and-selective-detection-of-nitrite-in-vegetables-and-water
#20
Hui-Hui Ren, You Fan, Bin Wang, Li-Ping Yu
In the present work, polyethylenimine-capped CdS quantum dots (PEI-CdS QDs) with bright green fluorescence were synthesized and applied for sensitively and selectively detecting the nitrite in vegetable and water samples. Highly fluorescent and environment-friendly PEI-CdS QDs (quantum yield about 8%) with diameters of ca. 5 nm were easily synthesized by using hyperbranched PEI as functional polymer. Formation of the PEI-CdS QDs was verified by transmission electron microscopy and UV-vis spectroscopy. The fluorescence intensity of the as-synthesized PEI-CdS QDs was enhanced pronouncedly by the increasing amount of PEI and was stable when the pH ranged from 5...
August 22, 2018: Journal of Agricultural and Food Chemistry
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