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https://www.readbyqxmd.com/read/29232642/feasibility-of-the-uv-aa-process-as-a-pretreatment-approach-for-bioremediation-of-dye-laden-wastewater
#1
Minghui Yang, Bingdang Wu, Qiuhao Li, Xiaofeng Xiong, Haoran Zhang, Yu Tian, Jiawen Xie, Ping Huang, Suo Tan, Guodong Wang, Li Zhang, Shujuan Zhang
Biodegradability and toxicity are two important indexes in considering the feasibility of a chemical process for environmental remediation. The acetylacetone (AA) mediated photochemical process has been proven as an efficient approach for dye decolorization. Both AA and its photochemical degradation products had a high bioavailability. However, the biocompatibility and ecotoxicology of the UV/AA treated solutions are unclear yet. In the present work, we evaluated the biocompatibility and toxicity of the UV/AA treated solutions at both biochemical and organismal levels...
December 1, 2017: Chemosphere
https://www.readbyqxmd.com/read/29232511/quadratic-response-properties-from-tddft-trials-and-tribulations
#2
Shane M Parker, Dmitrij Rappoport, Filipp Furche
We report on the efficient Turbomole implementation of quadratic response properties within the time-dependent density functional theory (TDDFT) context that includes the static and dynamic dipole hyperpolarizability, ground-to-excited-state two-photon absorption amplitudes (through a single residue) and state-to-state one-photon absorption amplitudes (through a double residue). Our implementation makes full use of arbitrary (including non-Abelian) point-group symmetry as well as permutational symmetry and enables the calculation of nonlinear properties with hybrid density functionals for molecules with hundreds of atoms and thousands of basis functions at a cost that is a fixed multiple of the cost of the corresponding linear properties...
December 12, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/29231878/greek-medicine-practice-at-ancient-rome-the-physician-molecularist-asclepiades
#3
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/29231730/selective-cation-exchange-enabled-growth-of-lanthanide-core-shell-nanoparticles-with-dissimilar-structure
#4
Hao Dong, Ling-Dong Sun, Lin-Dong Li, Rui Si, Rui Liu, Chun-Hua Yan
Core/shell nanostructure is versatile for improving or integrating diverse functions, yet it is still limited to homeomorphism with isomorphic core and shell structure. Here, we delineate a selective cation exchange strategy to construct lanthanide core/shell nanoparticles with dissimilar structure. Hexagonal NaLnF4, a typical photon conversion material, was selected to grow cubic CaF2 shell to protect surface exposed Ln3+. Preferential cation exchange between Ca2+ and Na+ triggered the surface hexagonal-to-cubic structure evolution, which remediated the large barrier for heteroepitaxy of monocrystalline CaF2 shell...
December 12, 2017: Journal of the American Chemical Society
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/29228804/treatment-of-postoperative-sore-throat-with-the-aid-of-the-homeopathic-remedy-arnica-montana-a-report-of-two-cases
#8
Dionysis Tsintzas, George Vithoulkas
We present 2 cases of severe postoperative sore throat, hoarseness, aphonia, and dysphagia, after a laryngeal mask insertion, who were treated successfully with the homeopathic remedy Arnica montana. Three doses of Arnica montana 200CH were given to the patients over 36 hours. Although the symptoms were very intense, the remedy was very effective and cleared most of the symptoms in 48 hours.
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/29228790/an-evidence-based-study-on-medicinal-plants-for-hemorrhoids-in-medieval-persia
#9
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
#10
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/29228785/an-overview-on-indications-and-chemical-composition-of-aromatic-waters-hydrosols-as-functional-beverages-in-persian-nutrition-culture-and-folk-medicine-for-hyperlipidemia-and-cardiovascular-conditions
#11
Azadeh Hamedi, Seyed Mahmoud Moheimani, Amirhossein Sakhteman, Hamed Etemadfard, Mahmoodreza Moein
Hydrosol beverages in Persian nutrition culture and ethnomedicine are the side products of essential oil industry that are used as delicious drinks or safe remedies. To investigate indications and chemical composition of hydrosol beverages for hyperlipidemia and cardiovascular conditions, Fars province was selected as the field of study. Ethnomedical data were gathered by questionnaires. The constituents of hydrosols were extracted with liquid/liquid extraction and analyzed by gas chromatography-mass spectrometry...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/29228357/surfactant-and-heavy-metal-interaction-in-poplar-a-focus-on-sds-and-zn-uptake
#12
Erika C Pierattini, Alessandra Francini, Andrea Raffaelli, Luca Sebastiani
Surfactants are widely used detergent ingredients and, thanks to their chemical properties, they are applied for remediation of sites polluted by heavy metals and organic contaminants, both in soil flushing and in phytoremediation. However, their direct effects on tree physiology especially in consociation with heavy metal pollution, as well as their possible absorption by plants, have not been appropriately investigated. In order to evaluate plant uptake/translocation of the surfactant sodium dodecyl sulfate (SDS) and the heavy metal zinc (Zn) in Populus alba L...
December 7, 2017: Tree Physiology
https://www.readbyqxmd.com/read/29227941/extractive-waste-management-a-risk-analysis-approach
#13
Neha Mehta, Giovanna Antonella Dino, Franco Ajmone-Marsan, Manuela Lasagna, Chiara Romè, Domenico Antonio De Luca
Abandoned mine sites continue to present serious environmental hazards because the heavy metals associated with extractive waste are continuously released into the environment, where they threaten human life and the environment. Remediating and securing extractive waste are complex, lengthy and costly processes. Thus, in most European countries, a site is considered for intervention when it poses a risk to human health and the surrounding environment. As a consequence, risk analysis presents a viable decisional approach towards the management of extractive waste...
December 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29227940/use-of-magnetic-biochars-for-the-immobilization-of-heavy-metals-in-a-multi-contaminated-soil
#14
H P Lu, Z A Li, G Gascó, A Méndez, Y Shen, J Paz-Ferreiro
Modified biochars, including magnetic biochars, have been tested in water for the removal of inorganic pollutants. However, at present it is unknown if they possess benefits over conventional biochar materials in relation to land remediation. A paddy soil was collected near Liantang village in Lechang Pb-Zn mine area in Guangdong Province (China). The soil was polluted with Cd, Cu, Zn and Pb, with total contents of 1.4mg/kg, 80mg/kg, 1638mg/kg and 2463mg/kg, respectively. We prepared magnetic and conventional biochar from two feedstocks (poultry litter and Eucalyptus) at a temperature of 300 and 500°C...
December 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29227574/light-treatments-of-nail-fungal-infections
#15
REVIEW
Jessica Houang, Gabriel Perrone, Damia Mawad, Philip C Boughton, Andrew J Ruys, Antonio Lauto
Nail fungal infections are notoriously persistent and difficult to treat which can lead to severe health impacts, particularly in the immunocompromised. Current antifungal treatments, including systemic and topical drugs, are prolonged and do not effectively provide a complete cure. Severe side effects are also associated with systemic antifungals, such as hepatoxicity. Light treatments of onychomycosis are an emerging therapy that has localised photodynamic, photothermal or photoablative action. These treatments have shown to be an effective alternative to traditional antifungal remedy with comparable or better cure rates achieved in shorter times and without systemic side effects...
December 11, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/29227274/study-of-pharmacometric-indexes-of-dosing-regimen-of-antihypoxant-okagerm-4
#16
V Lukyanchuk, D Kravets, D Litvinenko
In series of pharmacometrics research by determination of an optimum model of dosing is established that introduction of OKAGERM-4 in a dose of 96.8 mg/kg administered 40 minutes before the start of hypoxic damage realizes in maximum increase of estimated life expectancy of animals in hermetically sealed containers (65.57 min), ensuring a maximum effect of potential pharmacotherapeutic remedy - tartaric acid-based coordination compound of germanium with manganese. Thus, the results of pharmacometric research aimed to develop dosing regimen of OKAGERM-4 may be the base for future episodes of its pre-clinical study...
November 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29226929/synergistic-arsenic-v-and-lead-ii-retention-on-synthetic-jarosite-i-simultaneous-structural-incorporation-behaviour-and-mechanism
#17
J Aguilar-Carrillo, M Villalobos, T Pi-Puig, I N Escobar-Quiroz, F M Romero
Jarosite [KFe3(SO4)2(OH)6] minerals are effective scavengers of potentially toxic elements (PTEs) and are abundant, for example, in acid rock/mine drainage scenarios. The retention process is highly relevant for environmental attenuation of heavy metals and metalloids since these are usually highly soluble and thus mobile under acidic conditions. We investigated both macroscopically and at the molecular scale the extent and the effects of concomitant incorporation of As(v) and Pb(ii) into synthetic jarosite at different As/Pb starting molar ratios, using XRD-Rietveld, SEM, ATR-FTIR spectroscopy and wet chemistry...
December 11, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/29225988/effective-administration-of-rituximab-in-anti-mda5-antibody-positive-dermatomyositis-with-rapidly-progressive-interstitial-lung-disease-and-refractory-cutaneous-involvement-a-case-report-and-literature-review
#18
Yuka Ogawa, Dai Kishida, Yasuhiro Shimojima, Koichi Hayashi, Yoshiki Sekijima
We describe the case of a 48-year-old man with dermatomyositis (DM) who demonstrated rapidly progressive interstitial lung disease (RP-ILD) and refractory cutaneous involvement together with high levels of anti-melanoma differentiation-associated gene 5 antibody (anti-MDA5-Ab). Even after combination immunosuppressive therapy including a corticosteroid, cyclosporine A, and intravenous cyclophosphamide, his respiratory insufficiency and cutaneous involvement progressively worsened. However, the administration of rituximab (RTX) resulted in clinical remission as well as a visible reduction in anti-MDA5-Ab levels, suggesting that RTX could be a useful remedy in cases refractory to conventional immunosuppressive agents, especially those of RP-ILD related to anti-MDA5-Ab-positive DM...
2017: Case Reports in Rheumatology
https://www.readbyqxmd.com/read/29225002/documentation-of-plant-drugs-dispensed-via-local-weekly-shanties-of-madurai-city-india
#19
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/29224382/chemical-and-pharmacological-comparison-of-modern-and-traditional-dosage-forms-of-joshanda
#20
Sajida Parveen, Nadeem Irfan Bukhari, Naureen Shehzadi, Shaista Qamar, Ejaz Ali, Surriya Naheed, Abida Latif, Alamgeer Yuchi, Khalid Hussain
Recently, a traditional remedy (Joshanda) has been replaced largely by modern ready-to-use dosage forms, which have not been compared to the original remedy. Therefore, the present study aimed to compare a number of modern dosage forms with traditional remedy. Seven brands, 3 batches each, were compared with a Lab-made formulation with reference to analytical (proximate analyses, spectroscopic and chromatographic metabolomes) and pharmacological profiles (anti-inflammatory and antibacterial activities). Chemical and pharmacological differences were found between Lab-made Joshanda and modern dosage forms...
December 11, 2017: Natural Product Research
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