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https://www.readbyqxmd.com/read/28647262/development-of-a-hybrid-photo-bioreactor-and-nanoparticle-adsorbent-system-for-the-removal-of-co2-and-selected-organic-and-metal-co-pollutants
#1
Andrea A Rocha, Christian Wilde, Zhenzhong Hu, Oleg Nepotchatykh, Yevgen Nazarenko, Parisa A Ariya
Fossil fuel combustion and many industrial processes generate gaseous emissions that contain a number of toxic organic pollutants and carbon dioxide (CO2) which contribute to climate change and atmospheric pollution. There is a need for green and sustainable solutions to remove air pollutants, as opposed to conventional techniques which can be expensive, consume additional energy and generate further waste. We developed a novel integrated bioreactor combined with recyclable iron oxide nano/micro-particle adsorption interfaces, to remove CO2, and undesired organic air pollutants using natural particles, while generating oxygen...
July 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28642934/evaluation-of-the-antibacterial-and-antifungal-properties-of-phragmanthera-capitata-sprengel-balle-loranthaceae-a-mistletoe-growing-on-rubber-tree-using-the-dilution-techniques
#2
Franklin Uangbaoje Ohikhena, Olubunmi Abosede Wintola, Anthony Jide Afolayan
The alarming increase in multidrug resistance of pathogenic microorganisms to conventional drugs in recent years has prompted the search for new leads in alternative remedies in natural products. Hence, this study was aimed at evaluating the antimicrobial properties of Phragmanthera capitata, a parasitic mistletoe growing on rubber trees. The in vitro antimicrobial activities of the acetone, methanol, ethanol, and aqueous extracts were investigated using five gram-negative and five gram-positive bacteria and four fungi...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28638877/protective-effect-of-iris-germanica-l-in-%C3%AE-amyloid-induced-animal-model-of-alzheimer-s-disease
#3
Mona Borhani, Mohammad Sharifzadeh, Mohammad Hosein Farzaei, Zahra Narimani, Fatemeh Sabbaghziarani, Mahdi Gholami, Roja Rahimi
BACKGROUND: Alzheimer's disease (AD) is the most common cause of dementia that is an irretrievable chronic neurodegenerative disease. In the current study, we have examined the therapeutic effects of Iris germanica extract on Amyloid β (Aβ) induced memory impairment. MATERIALS AND METHODS: Wistar rats were divided into five groups of 8 per each. Groups were as followed: control group which were normal rats without induction of AD, Aβ group which received Aβ (50 ng/side), iris 100 group which received Aβ + Iris (100 mg/kg), iris 200 group which received Aβ + Iris (200 mg/kg), and iris 400 group which received Aβ + Iris (400 mg/kg)...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28633064/an-innovative-approach-to-bioremediation-of-mercury-contaminated-soils-from-industrial-mining-operations
#4
Damien McCarthy, Grant C Edwards, Mae S Gustin, Andrew Care, Matthieu B Miller, Anwar Sunna
Soils contaminated with mercury (Hg) have proved expensive and logistically difficult to remediate. Research continues into finding suitable environmentally-friendly and efficient ways of achieving this end. Bioremediation is an option, which employs the strategies microorganisms have evolved to deal with Hg. One microbial strategy involves uptake and intracellular volatilisation of mercuric ions, which passively diffuse from the cell and back into the atmosphere. In this work, Pseudomonas veronii cells grown to stationary phase were immobilised in a xanthan gum-based biopolymer via encapsulation...
June 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28629650/the-directionality-of-distinctively-mathematical-explanations
#5
Carl F Craver, Mark Povich
In "What Makes a Scientific Explanation Distinctively Mathematical?" (2013b), Lange uses several compelling examples to argue that certain explanations for natural phenomena appeal primarily to mathematical, rather than natural, facts. In such explanations, the core explanatory facts are modally stronger than facts about causation, regularity, and other natural relations. We show that Lange's account of distinctively mathematical explanation is flawed in that it fails to account for the implicit directionality in each of his examples...
June 2017: Studies in History and Philosophy of Science
https://www.readbyqxmd.com/read/28628877/remediation-of-groundwater-contaminated-with-arsenic-through-enhanced-natural-attenuation-batch-and-column-studies
#6
Saeedreza Hafeznezami, Amity G Zimmer-Faust, Dukwoo Jun, Megyn B Rugh, Heather L Haro, Austin Park, Jae Suh, Tina Najm, Matthew D Reynolds, James A Davis, Tarannom Parhizkar, Jennifer A Jay
Batch and column laboratory experiments were conducted on natural sediment and groundwater samples from a contaminated site in Maine, USA with the aim of lowering the dissolved arsenate [As(V)] concentrations through chemical enhancement of natural attenuation capacity. In batch factorial experiments, two levels of treatment for three parameters (pH, Ca, and Fe) were studied at different levels of phosphate to evaluate their impact on As(V) solubility. Results illustrated that lowering pH, adding Ca, and adding Fe significantly increased the sorption capacity of sediments...
June 12, 2017: Water Research
https://www.readbyqxmd.com/read/28628538/memory-rehabilitation-strategies-in-nonsurgical-temporal-lobe-epilepsy-a-review
#7
Alessandra Del Felice, Marzia Alderighi, Matteo Martinato, Davide Grisafi, Anna Bosco, Pamela J Thompson, Josemir W Sander, Stefano Masiero
People with temporal lobe epilepsy (TLE) who have not undergone epilepsy surgery often complain of memory deficits. Cognitive rehabilitation is employed as a remedial intervention in clinical settings, but research is limited and findings concerning efficacy and the criteria for choosing different approaches have been inconsistent. We aimed to appraise existing evidence on memory rehabilitation in nonsurgical individuals with temporal lobe epilepsy and to ascertain the effectiveness of specific strategies. A scoping review was preferred given the heterogeneous nature of the interventions...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28623832/a-review-on-in-situ-phytoremediation-of-mine-tailings
#8
REVIEW
Li Wang, Bin Ji, Yuehua Hu, Runqing Liu, Wei Sun
Mine tailings are detrimental to natural plant growth due to their physicochemical characteristics, such as high pH, high salinity, low water retention capacity, high heavy metal concentrations, and deficiencies in soil organic matter and fertility. Thus, the remediation of mine tailings has become a key issue in environmental science and engineering. Phytoremediation, an in situ cost-effective technology, is emerging as the most promising remediation method for mine tailings by introducing tolerant plant species...
June 7, 2017: Chemosphere
https://www.readbyqxmd.com/read/28620231/facile-preparation-of-water-soluble-hyperbranched-polyamine-functionalized-multiwalled-carbon-nanotubes-for-high-efficiency-organic-dye-removal-from-aqueous-solution
#9
Lihua Hu, Zhongping Yang, Yaoguang Wang, Yan Li, Dawei Fan, Di Wu, Qin Wei, Bin Du
Water-soluble hyperbranched polyamine functionalized multiwalled carbon nanotubes nanocomposite (WHPA-OMCNT) was successfully prepared and applied to water remediation in this paper. WHPA-OMCNT was characterized by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), zeta potential, scanning electron microscopy (SEM) and transmission electron microscope (TEM) analyses. WHPA-OMCNT exhibited excellent adsorption performance for removal of organic dyes e.g., methylene blue (MB), malachite green (MG) and methyl violet (MV)...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28611610/music-games-potential-application-and-considerations-for-rhythmic-training
#10
REVIEW
Valentin Bégel, Ines Di Loreto, Antoine Seilles, Simone Dalla Bella
Rhythmic skills are natural and widespread in the general population. The majority can track the beat of music and move along with it. These abilities are meaningful from a cognitive standpoint given their tight links with prominent motor and cognitive functions such as language and memory. When rhythmic skills are challenged by brain damage or neurodevelopmental disorders, remediation strategies based on rhythm can be considered. For example, rhythmic training can be used to improve motor performance (e.g...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28609847/soil-contamination-with-cadmium-consequences-and-remediation-using-organic-amendments
#11
REVIEW
Muhammad Amjad Khan, Sardar Khan, Anwarzeb Khan, Mehboob Alam
Cadmium (Cd) contamination of soil and food crops is a ubiquitous environmental problem that has resulted from uncontrolled industrialization, unsustainable urbanization and intensive agricultural practices. Being a toxic element, Cd poses high threats to soil quality, food safety, and human health. Land is the ultimate source of waste disposal and utilization therefore, Cd released from different sources (natural and anthropogenic), eventually reaches soil, and then subsequently bio-accumulates in food crops...
June 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28606809/animal-derived-natural-products-used-in-the-bhutanese-sowa-riga-medicine
#12
Karma Yeshi, Paolo Morisco, Phurpa Wangchuk
ETHNOPHARMACOLOGICAL RELEVANCE: Bhutan has two traditional healing systems: a folklore medicine and the Bhutanese Sowa Rigpa medicine (BSM). Three different types of ingredients namely plants, animals (and their derived products) and minerals are used for the preparation of various formulations in combined form. Animals and their derived products are vital ingredients in the preparation of numerous traditional remedies. Unlike medicinal plants, research on medicinal animals has remained largely untouched...
June 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28605331/classification-source-and-effect-of-environmental-pollutants-and-their-biodegradation
#13
REVIEW
Blessy Baby Mathew, Himani Singh, Vinai George Biju, N B Krishnamurthy
Any foreign chemical substance that is unusually present within an organism or is unexpectedly found in the environment at a higher concentration than the permissible limits can be termed a xenobiotic or a pollutant. Such substances include carcinogens, drugs, food additives, hydrocarbons, dioxins, polychlorinated biphenyls, pesticides or even some natural compounds. Pollutants are known for their higher persistence and pervasiveness, and along with their transformed products, they can remain in and interact with the environment for prolonged periods...
2017: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/28603710/use-of-non-prescription-remedies-by-ghanaian-human-immunodeficiency-virus-positive-persons-on-antiretroviral-therapy
#14
Amos K Laar, Awewura Kwara, Priscillia A Nortey, Augustine K Ankomah, Michael P K Okyerefo, Margaret Y Lartey
BACKGROUND: Inappropriate use of non-prescription remedies by persons living with human immunodeficiency virus (PLHIV) may result in adverse events or potentiate non-adherence to prescribed medications. This study investigated the use of non-prescription remedies among PLHIV receiving antiretroviral therapy (ART) from four treatment centers in southern Ghana. METHODS: A mixed method design using quantitative and qualitative methods was used. This article focuses on the quantitative survey of 540 respondents...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28603418/vesicular-melatonin-efficiently-downregulates-sodium-fluoride-induced-rat-hepato-and-broncho-tnf-%C3%AE-tgf-%C3%AE-expressions-and-associated-oxidative-injury-a-comparative-study-of-liposomal-and-nanoencapsulated-forms
#15
Suvomoy Sana, Swarupa Ghosh, Nirmalendu Das, Sibani Sarkar, Ardhendu Kumar Mandal
The importance of fluoride as a natural and industrial toxicant is recognized worldwide. We evaluated the regulating role and biological effect of vesicular (liposomal and nanoencapsulated) melatonin (N-acetyl-5-methoxytryptamine) for drug delivery and controlled release on the depletion of inflammatory mediators, as well as oxidative damage in sodium fluoride (NaF)-treated lungs and liver. Hepatic and bronchial damage was induced in Swiss albino rats with a single acute ingestion of NaF (48 mg/kg body weight, oral gavage)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28603137/review-nigella-sativa-prophetic-medicine-a-review
#16
Hira Ijaz, Ume Ruqia Tulain, Junaid Qureshi, Zeeshan Danish, Samina Musayab, Muhammad Furqan Akhtar, Ammara Saleem, Khanzada Khanzada Khan, Muhammad Zaman, Imran Waheed, Imran Khan, Mohamed Abdel-Daim
The present report is a significant effort to explore detail description of N. Sativa, its pharmacognostic characteristics, morphological characteristics, and mechanism of actions, doses and medicinal uses. Nigella sativa (N. Sativa) is greatest form of healing medicine. It is also known as Prophetic Medicine as its use has been mentioned in Prophetic Hadit, as natural remedy for all the diseases except death. It is recommended on daily basis in Tibb-e-Nabwi (Prophetic Medicine). Hazrat Abu Hurairah States ''I have heard from Rasool Allah (PBUH) that there is cure for every disease in black seeds except death and black seeds are shooneeze''...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28598741/toward-a-research-agenda-for-competency-based-medical-education
#17
Larry Gruppen, Jason R Frank, Jocelyn Lockyer, Shelley Ross, M Dylan Bould, Peter Harris, Farhan Bhanji, Brian D Hodges, Linda Snell, Olle Ten Cate
Competency-based medical education (CBME) is both an educational philosophy and an approach to educational design. CBME has already had a broad impact on medical schools, residency programs, and continuing professional development in health professions around the world. As the CBME movement evolves and CBME programs are implemented, a wide range of emerging research questions will warrant scholarly examination. In this paper, we describe a proposed CBME research agenda developed by the International CBME Collaborators...
June 2017: Medical Teacher
https://www.readbyqxmd.com/read/28597371/uptake-and-biotransformation-of-pure-commercial-microcystin-lr-versus-microcystin-lr-from-a-natural-cyanobacterial-bloom-extract-in-the-aquatic-fungus-mucor-hiemalis
#18
Maranda Esterhuizen-Londt, Stefanie Hertel, Stephan Pflugmacher
OBJECTIVES: To evaluate the remediation efficiency of Mucor hiemalis by comparing media elimination, uptake, and biotransformation of microcystin-LR with exposure to pure toxin versus a crude bloom extract. RESULTS: With exposure to the extract, the elimination rate of microcystin-LR from the media, which was 0.28 ng MC-LR l(-1) h(-1), was significantly higher compared to that achieved with exposure to the pure toxin (0.16 ng MC-LR l(-1) h(-1)) after 24 h...
June 8, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28597163/shift-in-microbial-group-during-remediation-by-enhanced-natural-attenuation-rena-of-a-crude-oil-impacted-soil-a-case-study-of-ikarama-community-bayelsa-nigeria
#19
Chioma Blaise Chikere, Christopher Chibueze Azubuike, Evan Miebaka Fubara
Acute and chronic pollution of environments with crude oil does not bode well for biota living within the vicinity of polluted environments. This is due to environmental and public health concerns on the negative impact of crude oil pollution on living organisms. Enhancing microbial activities by adding nutrients and other amendments had proved effective in pollutant removal during bioremediation. This study was carried out to determine how microbial group respond during remediation by enhanced natural attenuation (RENA) during a field-scale bioremediation...
June 2017: 3 Biotech
https://www.readbyqxmd.com/read/28597053/community-exposure-and-vulnerability-to-water-quality-and-availability-a-case-study-in-the-mining-affected-paz%C3%A3-a-municipality-lake-poop%C3%A3-basin-bolivian-altiplano
#20
Megan French, Natalie Alem, Stephen J Edwards, Efraín Blanco Coariti, Helga Cauthin, Karen A Hudson-Edwards, Karen Luyckx, Jorge Quintanilla, Oscar Sánchez Miranda
Assessing water sources for drinking and irrigation along with community vulnerability, especially in developing and rural regions, is important for reducing risk posed by poor water quality and limited water availability and accessibility. We present a case study of rural mining-agricultural communities in the Lake Poopó Basin, one of the poorest regions on the Bolivian Altiplano. Here, relatively low rainfall, high evaporation, salinization and unregulated mining activity have contributed to environmental degradation and water issues, which is a situation facing many Altiplano communities...
June 8, 2017: Environmental Management
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