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https://www.readbyqxmd.com/read/28231068/recent-advances-on-iron-oxide-magnetic-nanoparticles-as-sorbents-of-organic-pollutants-in-water-and-wastewater-treatment
#1
Angela M Gutierrez, Thomas D Dziubla, J Zach Hilt
The constant growth in population worldwide over the past decades continues to put forward the need to provide access to safe, clean water to meet human needs. There is a need for cost-effective technologies for water and wastewater treatment that can meet the global demands and the rigorous water quality standards and at the same maximizing pollutant efficiency removal. Current remediation technologies have failed in keeping up with these factors without becoming cost-prohibitive. Most recently, nanotechnology has been sought as the best alternative to increase access to water supplies by remediating those already contaminated and offering ways to access unconventional sources...
February 23, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28231067/the-association-of-peripubertal-serum-concentrations-of-organochlorine-chemicals-and-blood-lead-with-growth-and-pubertal-development-in-a-longitudinal-cohort-of-boys-a-review-of-published-results-from-the-russian-children-s-study
#2
Oleg Sergeyev, Jane S Burns, Paige L Williams, Susan A Korrick, Mary M Lee, Boris Revich, Russ Hauser
Organochlorine chemicals and lead are environmental exposures that have endocrine disrupting properties (EDCs) which interfere with many aspects of hormone action. Childhood and adolescence are windows of susceptibility for adverse health effects of EDCs. Our ongoing study, the Russian Children's Study (RCS), is one of the few longitudinal studies investigating the impact of EDCs on growth and puberty in boys. It is conducted in the historically contaminated city of Chapaevsk, in the Samara region. The study focuses on evaluating the associations of persistent organochlorine chemicals and lead with growth and pubertal timing...
February 23, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28230013/iodine-125-radioactive-seed-tissue-implantation-as-a-remedy-treatment-for-recurrent-cervical-cancer
#3
Lei Han, Changlun Li, Junye Wang, Xueqi He, Xiao Zhang, Jundong Yang, Guofeng Liu
PURPOSE: This study was designed to discuss feasibility, short-term efficacy, and complications of iodine-125 radioactive seed tissue implantation for remedying recurrent cervical cancer. MATERIALS AND METHODS: From June 2009 to December 2010, 17 patients with recurrent cervical cancer received radioactive seed implantation under computed tomography (CT) guidance. Matched peripheral dose was 145 Gy, while the number of implanted seeds was from 6 to 68 with a median of 20...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28229948/mixing-and-capping-techniques-for-activated-carbon-based-sediment-remediation-efficiency-and-adverse-effects-for-lumbriculus-variegatus
#4
Sebastian Abel, Inna Nybom, Kimmo Mäenpää, Sarah E Hale, Gerard Cornelissen, Jarkko Akkanen
Activated carbon (AC) has been proven to be highly effective for the in-situ remediation of sediments contaminated with a wide range of hydrophobic organic contaminants (HOCs). However, adverse biological effects, especially to benthic organisms, can accompany this promising remediation potential. In this study, we compare both the remediation potential and the biological effects of several AC materials for two application methods: mixing with sediment (MIX) at doses of 0.1 and 1.0% based on sediment dw and thin layer capping (TLC) with 0...
February 16, 2017: Water Research
https://www.readbyqxmd.com/read/28229194/screening-level-assessment-of-metal-concentrations-in-streambed-sediments-and-floodplain-soils-within-the-grand-lake-watershed-in-northeastern-oklahoma-usa
#5
Ean M Garvin, Cas F Bridge, Meredith S Garvin
Metal releases have been received by the Grand Lake watershed from the Tri-State Mining District (TSMD) since the mid 1800s. To address data gaps in metal distributions in the Oklahoma portion of the watershed, streambed sediment and floodplain soil was sampled on various streams. The <63-µm fraction was analyzed for Cd, Pb, and Zn concentrations by portable X-ray fluorescence spectroscopy and inductively coupled plasma-mass spectrometry. Mean metal concentration results at reference transects indicated that background sediment/soil concentrations for Cd, Pb, and Zn within the watershed were 0...
February 22, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28228197/the-fundamentals-of-resident-dismissal
#6
Paul J Schenarts, Sean Langenfeld
Residents have the rights and responsibilities of both students and employees. Dismissal of a resident from a training program is traumatic and has lasting repercussions for the program director, the faculty, the dismissed resident, and the residency. A review of English language literature was performed using PUBMED and OVID databases, using the search terms, resident dismissal, resident termination, student dismissal, student and resident evaluation, legal aspects of education, and remediation. The references of each publication were also reviewed to identify additional appropriate citations...
February 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28227862/effects-of-high-frequency-rtms-on-sleep-deprivation-a-pilot-study
#7
D P Martinez-Cancino, J Azpiroz-Leehan, L Jimenez-Angeles, A Garcia-Quintanar, R Santana-Miranda, D P Martinez-Cancino, J Azpiroz-Leehan, L Jimenez-Angeles, A Garcia-Quintanar, R Santana-Miranda, A Garcia-Quintanar, L Jimenez-Angeles, R Santana-Miranda, J Azpiroz-Leehan, D P Martinez-Cancino
Transcranial magnetic stimulation is a neurostimulation technique which has the potential to serve as a unique research tool for investigating a wide variety of fields in cognitive neuroscience. TMS has been approved by the FDA to serve as a treatment to depression and has also been used to evaluate its effects among several conditions such as Alzheimer, Parkinson disease, chronic pain and stroke. High frequency TMS has been previously used with the intention to measure and modulate the negative effects of sleep deprivation in cognitive performance, but there is no consensus about the ideal protocol yet...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227640/hardness-map-of-human-meta-tarsals-and-phalanges-of-toes
#8
Irfan Manarvi, Irfan Manarvi, Irfan Manarvi
Predicting location of fracture in human bones has been a keen area of research for the past few decades. A variety of tests for hardness, deformation and strain field measurement have been conducted in the past; but considered insufficient due to various limitations. Researchers therefore have proposed further studies due to inaccuracies in measurement methods, testing machines and experimental errors. Advancement and availability of hardware, measuring instrumentation and testing machines can now provide remedies to these limitations...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226863/synaptic-depression-depends-on-charge-delivered-to-network
#9
Robert D Graham, Sharon Jose, Alex Kaiser, Nathalia Peixoto, Robert D Graham, Sharon Jose, Alex Kaiser, Nathalia Peixoto, Sharon Jose, Alex Kaiser, Robert D Graham, Nathalia Peixoto
In vitro neuronal networks cultured on microelectrode arrays enable the study of network electrophysiology on a fundamental level. Neuronal response to electrical stimulation is an area of interest at the laboratory bench and in the clinic, given its wide application for remedying neurological disorders. Here we investigated the change in cortical network response over time to varied amounts of charge used for stimulation, which may lead to a phenomenon known as selective adaptation. There is a charge threshold that invokes a reverberating network response; when stimulating at 900 mV, five stimulation electrodes were required to elicit a response across the entire network...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226445/difficulty-understanding-speech-in-noise-by-the-hearing-impaired-underlying-causes-and-technological-solutions
#10
Eric W Healy, Sarah E Yoho, Eric W Healy, Sarah E Yoho, Sarah E Yoho, Eric W Healy
A primary complaint of hearing-impaired individuals involves poor speech understanding when background noise is present. Hearing aids and cochlear implants often allow good speech understanding in quiet backgrounds. But hearing-impaired individuals are highly noise intolerant, and existing devices are not very effective at combating background noise. As a result, speech understanding in noise is often quite poor. In accord with the significance of the problem, considerable effort has been expended toward understanding and remedying this issue...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226291/cell-free-synthetic-biology-for-environmental-sensing-and-remediation
#11
REVIEW
David K Karig
The fields of biosensing and bioremediation leverage the phenomenal array of sensing and metabolic capabilities offered by natural microbes. Synthetic biology provides tools for transforming these fields through complex integration of natural and novel biological components to achieve sophisticated sensing, regulation, and metabolic function. However, the majority of synthetic biology efforts are conducted in living cells, and concerns over releasing genetically modified organisms constitute a key barrier to environmental applications...
February 19, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28225464/beyond-selection-the-use-of-situational-judgement-tests-in-the-teaching-and-assessment-of-professionalism
#12
Barbara D Goss, Anna T Ryan, Joshua Waring, Terry Judd, Neville G Chiavaroli, Richard Charles O'Brien, Stephen C Trumble, Geoffrey J McColl
PROBLEM: Professionalism is a critical attribute of medical graduates. Its measurement is challenging. The authors sought to assess final-year medical students' knowledge of appropriate professional behavior across a broad range of workplace situations. APPROACH: Situational judgement tests (SJTs) are used widely in applicant selection to assess judgement or decision making in work-related settings as well as attributes such as empathy, integrity, and resilience...
February 21, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28224284/complementary-and-alternative-medicine-use-in-rheumatoid-arthritis-considerations-for-the-pharmacological-management-of-elderly-patients
#13
REVIEW
Sizheng Zhao, Fred Otieno, Asan Akpan, Robert J Moots
Complementary and alternative medicines (CAMs) are widely used by patients with rheumatoid arthritis (RA); however, a significant proportion of these patients do not inform their physicians. This has many potential implications in a group of predominantly elderly patients with altered pharmacokinetics, comorbidities and polypharmacy of potentially toxic drugs. CAM usage may affect compliance and pharmacokinetics of conventional therapy for RA and comorbidities; therefore, physicians should engage patients in dialogues regarding CAM usage...
February 21, 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28224176/soil-and-groundwater-contamination-and-remediation
#14
EDITORIAL
I Panagiotakis, D Dermatas
No abstract text is available yet for this article.
February 21, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28222891/coumarins-scaffolds-as-cox-inhibitors
#15
REVIEW
Hrishikesh Mohan Revankar, Syed Nasir Abbas Bukhari, Gajjela Bharath Kumar, Hua-Li Qin
The discovery of COX enzymes has led to a better understanding of inflammation and its related biological pathways. Apart from being related to inflammation and pain, it has also been associated with cancer and neuropsychiatric diseases such as schizophrenia. Proverbially speaking, study of these enzymes has been crucial as they happen to "have fingers in many pies". Non-steroidal anti-inflammatory drugs (NSAID) that act specifically as COX-2 inhibitors have been known for a while; however these are also associated with severe side effects such as cardiac problems...
February 9, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28222608/postsynthetically-modified-covalent-organic-frameworks-for-efficient-and-effective-mercury-removal
#16
Qi Sun, Briana Aguila, Jason Perman, Lyndsey D Earl, Carter W Abney, Yuchuan Cheng, Hao Wei, Nicholas Nguyen, Lukasz Wojtas, Shengqian Ma
A key challenge in environmental remediation is the design of adsorbents bearing an abundance of accessible chelating sites with high affinity, to achieve both rapid uptake and high capacity for the contaminants. Herein, we demonstrate how two-dimensional covalent organic frameworks (COFs) with well-defined mesopore structures display the right combination of properties to serve as a scaffold for decorating coordination sites to create ideal adsorbents. The proof-of-concept design is illustrated by modifying sulfur derivatives on a newly designed vinyl-functionalized mesoporous COF (COF-V) via thiol-ene "click" reaction...
February 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28222560/depression-following-traumatic-brain-injury-impact-on-post-hospital-residential-rehabilitation-outcomes
#17
Frank D Lewis, Gordon J Horn
BACKGROUND: A need exists to better understand the impact of depression on functional outcomes following TBI. OBJECTIVES: To evaluate the prevalence and severity of depression among a large group of chronic TBI adults; to determine the impact of depression on outcomes of post-hospital residential rehabilitation programs; and to assess effectiveness of post-hospital residential rehabilitation programs in treating depression. METHODS: 820 adults with moderate to severe traumatic brain injury (TBI) were assigned to one of four groups based on MPAI- 4 depression ratings: (1) Not Depressed, (2) Mildly Depressed, (3) Moderately Depressed, and (4) Severely Depressed...
February 8, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28222400/antiprotozoal-antimycobacterial-and-anti-inflammatory-evaluation-of-cnidoscolus-chayamansa-mc-vaugh-extract-and-the-isolated-compounds
#18
Mariana Z Pérez-González, Gabriel A Gutiérrez-Rebolledo, Lilián Yépez-Mulia, Irma S Rojas-Tomé, Julieta Luna-Herrera, María A Jiménez-Arellanes
Cnidoscolus chayamansa is a medicinal and edible plant known as Chaya, is commonly used as an anti-inflammatory, antiprotozoal, antibacterial agent and as a remedy for respiratory illness, gastrointestinal disorders, and vaginal infections related with the inflammation process. In this paper, we describe the plant's phytochemical analysis and biological activities (antimycobacterial, antibacterial, antiprotozoal, and anti-inflammatory properties) of the CHCl3:MeOH (1:1) leaves extract and isolated compounds, as well as the acute and sub-acute toxic effects...
February 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28222371/remediating-1-4-dioxane-contaminated-water-with-slow-release-persulfate-and-zerovalent-iron
#19
Ann Kambhu, Megan Gren, Wei Tang, Steve Comfort, Clifford E Harris
1,4-dioxane is an emerging contaminant that was used as a corrosion inhibitor with chlorinated solvents. Metal-activated persulfate can degrade dioxane but reaction kinetics have typically been characterized by a rapid decrease during the first 30 min followed by either a slower decrease or no further change (i.e., plateau). Our objective was to identify the factors responsible for this plateau and then determine if slow-release formulations of sodium persulfate and Fe(0) could provide a more sustainable degradation treatment...
February 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28222352/status-of-pharmaceuticals-in-african-water-bodies-occurrence-removal-and-analytical-methods
#20
REVIEW
Lawrence Mzukisi Madikizela, Nikita Tawanda Tavengwa, Luke Chimuka
In this review paper, the milestones and challenges that have been achieved and experienced by African Environmental Scientists regarding the assessment of water pollution caused by the presence of pharmaceutical compounds in water bodies are highlighted. The identification and quantification of pharmaceuticals in the African water bodies is important to the general public at large due to the lack of information. The consumption of pharmaceuticals to promote human health is usually followed by excretion of these drugs via urine or fecal matter due to their slight transformation in the human metabolism...
February 18, 2017: Journal of Environmental Management
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