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https://www.readbyqxmd.com/read/29239477/effect-of-incorporation-of-nature-chemicals-in-water-ice-glazing-on-freshness-and-shelf-life-of-pacific-saury-cololabis-saira-during-18-%C3%A2-c-frozen-storage
#1
Haibo Luo, Weihua Wang, Wei Chen, Haiqing Tang, Li Jiang, Zhifang Yu
BACKGROUND: Microbial spoilage and lipid oxidation are two major factors causing freshness deterioration of Pacific saury (Cololabis saira) during frozen storage. To provide a remedy, the effects of several natural chemicals incorporated alone or in combination in traditional water ice-glazing on the freshness and shelf-life of Pacific saury during frozen storage at -18 °C were investigated. Pacific sauries were subjected to individual quick freezing (IQF) followed by immediately dipping into cold tap water (control) or solutions containing nisin, chitosan, phytic acid (single-factor experiment) or their combinations [(L9 (34 ) orthogonal experiment] for 10 s at 1 °C, and then packaged in polypropylene bags before frozen storage at -18 °C...
December 14, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29236243/application-potential-of-aerobic-denitrifiers-coupled-with-a-biostimulant-for-nitrogen-removal-from-urban-river-sediment
#2
Yinqi Tang, Meng Li, Danning Xu, Jianjun Huang, Jingmei Sun
Aerobic denitrifiers coupled with a denitrification agent were applied in the sediment of an urban river for the bioremediation of nitrogen pollution. The results revealed that 14.7% of the total nitrogen in the sediment was removed after 115 days of treatment and the nitrate nitrogen concentration removal rate was enhanced in the overlying water. Compared with the control, the total transferable nitrogen in the sediment increased from 0.097 to 0.166 mg/g, indicating that more nitrogen is likely to be involved in the biogeochemical cycling of nitrogen...
December 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29236016/synthesis-of-mnfe2o4-and-mn3o4-magnetic-nano-composites-with-enhanced-properties-for-adsorption-of-cr-vi-artificial-neural-network-modeling
#3
Kartick Lal Bhowmik, Animesh Debnath, Ranendu Kumar Nath, Biswajit Saha
This study reports adsorptive removal of Cr(VI) by magnetic manganese ferrite and manganese oxide nano-particles (MnF-MO-NPs) composite from aqueous media. The X-ray diffraction pattern of MnF-MO-NPs revealed a polycrystalline nature with nanoscale crystallite size. The prepared adsorbent with high Brunauer-Emmett-Teller specific surface area of 100.62 m2/g and saturation magnetization of 30.12 emu/g exhibited maximum Cr(VI) removal at solution pH 2.0 and was easily separated from water under an external magnetic field...
December 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/29231878/greek-medicine-practice-at-ancient-rome-the-physician-molecularist-asclepiades
#4
Luigi Santacroce, Lucrezia Bottalico, Ioannis Alexandros Charitos
Background: In the pre-Hellenistic period, the concept of medicine was not well-defined. Usually, a disease was considered as a divine punishment and its treatment was devolved to the priests who asked for healing from the divinities. The only job that could be compared to medical practice was a kind of itinerant medicine, derived from the Egyptian therapeutic tradition based only on practical experience and performed by people that knew a number of remedies, mostly vegetable, but without any theoretical bases about the possible mechanisms of action...
December 12, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/29230645/pollution-evaluation-of-total-and-acid-leachable-trace-elements-in-surface-sediments-of-hooghly-river-estuary-and-sundarban-mangrove-wetland-india
#5
Priyanka Mondal, Amanda J Reichelt-Brushett, M P Jonathan, S B Sujitha, Santosh Kumar Sarkar
The present work investigated the spatial distribution and ecological risk assessment of total and mild acid-leachable trace elements in surface sediments (top 0-10 cm; grain size ≤ 63 μm) along the Hooghly (Ganges) River Estuary and Sundarban Mangrove Wetland, India. The trace elements, analyzed by ICPMS, showed wide range of variations with the following descending order (mean values expressed in milligrams per kilogram): Fe (25,050 ± 4918) > Al (16,992 ± 4172) > Mn (517 ± 102) > Zn (53 ± 18) > Cu (33 ± 11) > Cr (29 ± 7) > Ni (27 ± 6) > Pb (14 ± 3) > As (5 ± 1) > Se (0...
December 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29229940/single-crystal-organic-nanoflowers
#6
Sajitha Sasidharan, Shyni P C, Nitin Chaudhary, Vibin Ramakrishnan
Nano-flowers reported so far were mostly constituted of inorganic or hybrid materials. We have synthesized and crystallized a new organic compound, 1, 2-bis(tritylthio)ethane forming an organic nano-flower consisting of single crystalline petals. Crystal structure at nano and micro level indicates that π-π stacking interactions between aromatic systems is the principal factor governing molecular recognition and assembly. Single crystal X-ray Diffraction (S-XRD) supported by Selective Area Electron Diffraction (SAED) experiments indicate the single crystalline nature of the flower-like assembly even at the nanoscale...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29229200/waste-based-alternative-adsorbents-for-the-remediation-of-pharmaceutical-contaminated-waters-has-a-step-forward-already-been-taken
#7
REVIEW
Carla Patrícia Silva, Guilaine Jaria, Marta Otero, Valdemar I Esteves, Vânia Calisto
When adsorption is considered for water treatment, commercial activated carbon is usually the chosen adsorbent for the removal of pollutants from the aqueous phase, particularly pharmaceuticals. In order to decrease costs and save natural resources, attempts have been made to use wastes as raw materials for the production of alternative carbon adsorbents. This approach intends to increase efficiency, cost-effectiveness, and also to propose an alternative and sustainable way for the valorization/management of residues...
December 2, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29228790/an-evidence-based-study-on-medicinal-plants-for-hemorrhoids-in-medieval-persia
#8
Mohammad Hashem Hashempur, Fatemeh Khademi, Maryam Rahmanifard, Mohammad M Zarshenas
Hemorrhoids is one of the most common gastrointestinal diseases. There are several therapeutic options associated with some complications. Therefore, researchers look for traditional medicines as a potential resource for introduction of new natural drugs. The current study reports an evidence-based review of herbal remedies for hemorrhoids in traditional Persian medicine. A comprehensive survey about hemorrhoids on the most important manuscripts of traditional Persian medicine was done. Then, scientific data banks were searched for possible related properties of each herb in the conventional medicine...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/29228789/a-mechanistic-review-on-medicinal-plants-used-for-diabetes-mellitus-in-traditional-persian-medicine
#9
Fatemeh Farzaei, Mohammad Reza Morovati, Fatemeh Farjadmand, Mohammad Hosein Farzaei
Diabetes mellitus is the most common endocrine disorder and a major cause of morbidity and mortality. Traditional medicines worldwide suggest a wide range of natural remedies for the prevention and treatment of chronic disorders, including diabetes mellitus. This mechanistic review aims to highlight the significance of medicinal plants traditionally used as dietary supplements in Persian medicine in adjunct with restricted conventional drugs for the prevention and treatment of diabetes mellitus. Mounting evidence suggests that these natural agents perform their protective and therapeutic effect on diabetes mellitus via several cellular mechanisms, including regeneration of pancreatic β cell, limitation of glycogen degradation and gluconeogenesis, anti-inflammatory, immunoregulatory, antiapoptosis, antioxidative stress, as well as modulation of intracellular signaling transduction pathways...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/29225002/documentation-of-plant-drugs-dispensed-via-local-weekly-shanties-of-madurai-city-india
#10
Tagadur Sureshchandra Suma, Kaliamoorthy Ravikumar, Byadarahalli Srikantiah Somashekhar, Devendra Kumar Ved, Roohi Zaman, Gopalakrishnan Rajalakshmi, S N Venugopalan Nair, Subrahmanya Kumar Kukkupuni
BACKGROUND: The Valaiyār (Moopanar) communities of Tamil Nadu are traditionally known for catching rats and snakes from the agricultural fields. Prior to independence, some of these families have faced socio-economic changes and chosen to become herbalists in Madurai city. They are mainly engaged in collecting and dispensing fresh and dried plant drugs in its 'natural form' at Tiḷagar tīḍal market of Madurai city. Their business is unique, because customers receive 'prescriptions' and 'plant drugs', unlike the conventional dispensaries...
December 7, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/29223812/could-saponins-be-used-to-enhance-bioremediation-of-polycyclic-aromatic-hydrocarbons-in-aged-contaminated-soils
#11
Marie Davin, Amandine Starren, Magali Deleu, Georges Lognay, Gilles Colinet, Marie-Laure Fauconnier
Polycyclic aromatic hydrocarbons (PAH) are persistent organic compounds of major concern that tend to accumulate in the environment, threatening ecosystems and health. Brownfields represent an important tank for PAHs and require remediation. Researches to develop bioremediation and phytoremediation techniques are being conducted as alternatives to environmentally aggressive, expensive and often disruptive soil remediation strategies. The objectives of the present study were to investigate the potential of saponins (natural surfactants) as extracting agents and as bioremediation enhancers on an aged-contaminated soil...
December 1, 2017: Chemosphere
https://www.readbyqxmd.com/read/29219064/natural-product-formulations-for-prevention-and-treatment-of-alzheimer-s-disease-a-patent-review
#12
Rumiana Koynova, Boris Tenchov
INTRODUCTION: Although considerable efforts have been made to develop effective therapeutic agents for Alzheimer's disease (AD), neither a consensus concerning the pathogenesis of the disease nor a successful therapy for its treatment is available. The natural product chemistry brings tremendous diversity and abundant resource for medical needs. OBJECTIVES: The present review summarizes recent patents on natural extracts and derived drugs as agents for prevention and treatment of AD...
December 7, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/29214642/allergic-contact-dermatitis-caused-by-topical-herbal-remedies-importance-of-patch-testing-with-the-patients-own-products
#13
Liesbeth Gilissen, Sara Huygens, An Goossens
BACKGROUND: Natural ingredients have variable compositions, so their allergenic potencies may differ. OBJECTIVES: To retrospectively analyse subjects reacting to herbal remedies over the past 27 years, with the aim of (i) evaluating demographic characteristics and lesion locations, (ii) describing the frequencies of positive patch test reactions, (iii) identifing sensitization sources, and (iv) studying concomitant sensitivity. PATIENTS AND METHODS: In total, 15980 patients were patch tested between 1990 and 2016 with the European baseline series and/or other series, product(s) used, and, whenever possible, the respective ingredients...
December 7, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/29213260/increased-denitrification-rates-associated-with-shifts-in-prokaryotic-community-composition-caused-by-varying-hydrologic-connectivity
#14
Abigail Tomasek, Christopher Staley, Ping Wang, Thomas Kaiser, Nicole Lurndahl, Jessica L Kozarek, Miki Hondzo, Michael J Sadowsky
While modern developments in agriculture have allowed for increases in crop yields and rapid human population growth, they have also drastically altered biogeochemical cycles, including the biotransformation of nitrogen. Denitrification is a critical process performed by bacteria and fungi that removes nitrate in surface waters, thereby serving as a potential natural remediation strategy. We previously reported that constant inundation resulted in a coupling of denitrification gene abundances with denitrification rates in sediments, but these relationships were not maintained in periodically-inundated or non-inundated environments...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29213257/bacterial-community-dynamics-in-dichloromethane-contaminated-groundwater-undergoing-natural-attenuation
#15
Justin Wright, Veronica Kirchner, William Bernard, Nikea Ulrich, Christopher McLimans, Maria F Campa, Terry Hazen, Tamzen Macbeth, David Marabello, Jacob McDermott, Rachel Mackelprang, Kimberly Roth, Regina Lamendella
The uncontrolled release of the industrial solvent methylene chloride, also known as dichloromethane (DCM), has resulted in widespread groundwater contamination in the United States. Here we investigate the role of groundwater bacterial communities in the natural attenuation of DCM at an undisclosed manufacturing site in New Jersey. This study investigates the bacterial community structure of groundwater samples differentially contaminated with DCM to better understand the biodegradation potential of these autochthonous bacterial communities...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29210670/synthesis-of-non-toxic-as-and-cr-nanoparticles-through-redox-activity-of-highly-flexible-layered-coordination-polymer-of-ni-ii
#16
Rashmi A Agarwal
A simple method for the sequestration of As(III) and Cr(VI) from water has been demonstrated by utilizing a high flexible porous coordination polymer (PCP) of Ni(II) in its as synthesized form or without solvent removal. This PCP reduces highly toxic As(III) and Cr(VI) ions into non-toxic As(0) and Cr/Cr2O3/CrO2 (zero, tri and tetravalent) nanoparticles (NPs) within its pores characterized by PXRD, XPS and HRTEM analysis. The high functionality of this polymer is due to the presence of monodentate carboxylate groups of benzenetricarboxylate linker which provide anchoring sites to the metal ions of metal precursors...
December 6, 2017: Nanotechnology
https://www.readbyqxmd.com/read/29208280/formulation-and-biological-actions-of-nano-bioglass-ceramic-particles-doped-with-calcarea-phosphorica-for-bone-tissue-engineering
#17
S Dinesh Kumar, K Mohamed Abudhahir, N Selvamurugan, S Vimalraj, R Murugesan, N Srinivasan, A Moorthi
The improvisation of the treatment procedures for treating the various kind of bone defects such as, bone or dental trauma and for diseases such as osteoporosis, osteomyelitis etc., need the suitable and promising biomaterials with resemblance of bone components. Bioactive glass ceramic (BGC) has recently acquired great attention as the most promising biomaterials; hence it has been widely applied as a filler material for bone tissue regeneration. Because it elicts specific biological responses after implantation in addition more potential in formation of strong interface with both hard and soft tissues by dissolution of calcium and phosphate ions...
February 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29207531/microbial-and-plant-assisted-bioremediation-of-heavy-metal-polluted-environments-a-review
#18
REVIEW
Omena Bernard Ojuederie, Olubukola Oluranti Babalola
Environmental pollution from hazardous waste materials, organic pollutants and heavy metals, has adversely affected the natural ecosystem to the detriment of man. These pollutants arise from anthropogenic sources as well as natural disasters such as hurricanes and volcanic eruptions. Toxic metals could accumulate in agricultural soils and get into the food chain, thereby becoming a major threat to food security. Conventional and physical methods are expensive and not effective in areas with low metal toxicity...
December 4, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29207520/plants-of-the-genus-zingiber-as-a-source-of-bioactive-phytochemicals-from-tradition-to-pharmacy
#19
REVIEW
Mehdi Sharifi-Rad, Elena Maria Varoni, Bahare Salehi, Javad Sharifi-Rad, Karl R Matthews, Seyed Abdulmajid Ayatollahi, Farzad Kobarfard, Salam A Ibrahim, Dima Mnayer, Zainul Amiruddin Zakaria, Majid Sharifi-Rad, Zubaida Yousaf, Marcello Iriti, Adriana Basile, Daniela Rigano
Plants of the genus Zingiber (Family Zingiberaceae) are widely used throughout the world as food and medicinal plants. They represent very popular herbal remedies in various traditional healing systems; in particular, rhizome of Zingiber spp. plants has a long history of ethnobotanical uses because of a plethora of curative properties. Antimicrobial activity of rhizome essential oil has been extensively confirmed in vitro and attributed to its chemical components, mainly consisting of monoterpene and sesquiterpene hydrocarbons such as α-zingiberene, ar-curcumene, β-bisabolene and β-sesquiphellandrene...
December 4, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29191876/comment-on-water-harvesting-from-air-with-metal-organic-frameworks-powered-by-natural-sunlight
#20
Duc Thuan Bui, Kian Jon Chua, Jeffrey M Gordon
Kim et al (Reports, 28 April 2017, p. 430) presented results for the solar-driven harvesting of water from air via metal-organic frameworks as a prodigious potential advance toward remedying global water shortages. Basic thermodynamics and a survey of multiple off-the-shelf technologies show that their approach is vastly inferior in efficiency (and thereby in feasibility) to available alternatives.
December 1, 2017: Science
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