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https://www.readbyqxmd.com/read/28732277/assessment-of-metal-and-pah-profiles-in-suds-soil-based-on-an-improved-experimental-procedure
#1
Damien Tedoldi, Ghassan Chebbo, Daniel Pierlot, Yves Kovacs, Marie-Christine Gromaire
The increasing use of infiltration-based systems for stormwater management questions the soil's ability to act as a long-term filter for runoff contaminants, and brings about operational matters regarding the most effective maintenance practices to enhance contaminant retention in SUDS. This paper reports the vertical extent of metal and PAH contamination in the soil of seven source-control devices in operation for more than 10 years, assessed via a two-step sampling strategy to optimize the representativeness of the contamination profiles...
July 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28731707/dynamic-effects-of-biochar-on-the-bacterial-community-structure-in-soil-contaminated-with-polycyclic-aromatic-hydrocarbons
#2
Yang Song, Yongrong Bian, Fang Wang, Min Xu, Ni Ni, Xinglun Yang, Chenggang Gu, Xin Jiang
The amendment of soil with biochar is an effective soil remediation strategy for organic contaminants. This study investigated the dynamic effects of wheat straw biochar on the bacterial community structure during remediation by high-throughput sequencing. The wheat straw biochar amended into the soil significantly reduced the bioavailability and toxicity of polycyclic aromatic hydrocarbons (PAHs). Biochar amendment helped to maintain the bacterial diversity in the PAH-contaminated soil. The relationship between the immobilization of PAHs and the soil bacterial diversity fit quadratic model...
July 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28730740/statistical-process-control-and-verifying-positional-accuracy-of-a-cobra-motion-couch-using-step-wedge-quality-assurance-tool
#3
Diana Binny, Craig M Lancaster, Jamie V Trapp, Scott B Crowe
This study utilizes process control techniques to identify action limits for TomoTherapy couch positioning quality assurance tests. A test was introduced to monitor accuracy of the applied couch offset detection in the TomoTherapy Hi-Art treatment system using the TQA "Step-Wedge Helical" module and MVCT detector. Individual X-charts, process capability (cp), probability (P), and acceptability (cpk) indices were used to monitor a 4-year couch IEC offset data to detect systematic and random errors in the couch positional accuracy for different action levels...
July 21, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28730365/cd-pb-and-zn-mobility-and-bio-availability-in-contaminated-soils-from-a-former-smelting-site-amended-with-biochar
#4
Tonia Lomaglio, Nour Hattab-Hambli, Florie Miard, Manhattan Lebrun, Romain Nandillon, Dalila Trupiano, Gabriella Stefania Scippa, Arnaud Gauthier, Mikael Motelica-Heino, Sylvain Bourgerie, Domenico Morabito
Biochar is a potential candidate for the remediation of metal(loid)-contaminated soils. However, the mechanisms of contaminant-biochar retention and release depend on the amount of soil contaminants and physicochemical characteristics, as well as the durability of the biochar contaminant complex, which may be related to the pyrolysis process parameters. The objective of the present study was to evaluate, in a former contaminated smelting site, the impact of two doses of wood biochar (2 and 5% w/w) on metal immobilization and/or phytoavailability and their effectiveness in promoting plant growth in mesocosm experiments...
July 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28730203/growth-study-of-hierarchical-ag3po4-laco3oh-heterostructures-and-their-efficient-photocatalytic-activity-for-rhb-degradation
#5
Virendrakumar G Deonikar, Santosh S Patil, Mohaseen S Tamboli, Jalindar D Ambekar, Milind V Kulkarni, Rajendra P Panmand, Govind G Umarji, Manish D Shinde, Sunit B Rane, Nagegownivari R Munirathnam, Deepak R Patil, Bharat B Kale
We have demonstrated the synthesis of Ag3PO4/LaCO3OH (APO/LCO) heterostructured photocatalysts by an in situ wet chemical method. From pre-screening evaluations of photocatalysts with APO/(x wt% LCO) composites with mass ratios of x = 5, 10, 15, 20, 25 and 30 wt%, we found that the APO/LCO (20 wt%) exhibited a superior photocatalytic activity for organic pollutant remediation. Therefore, an optimised photocatalyst APO/LCO (20 wt%) is selected for the present study and we investigate the effect of a mixed solvent system (H2O:THF) on the morphology, which has a direct effect on the photocatalytic performance...
July 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28729228/tangled-history-of-the-european-uses-of-sphagnum-moss-and-sphagnol
#6
REVIEW
Jacek Drobnik, Adam Stebel
ETHNOPHARMACOLOGICAL RELEVANCE: Sphagnum mosses and peat could have been utilized as wound dressings for centuries, however reliable data on this subject are ambiguous; sometimes even no distinction between peat moss (Sphagnum spp.) and peat is made or these terms become confused. The first scientific account on surgical use of peat comes from 1882: a peat digger who successfully, by himself and in the way unknown to the then medicine, cured an open fracture of his forearm with peat. The peat, and very soon the peat moss itself (which is the major constituent of peat) drew attention of the 19(th)-century surgeons...
July 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28726759/high-resolution-inhibition-profiling-combined-with-hplc-hrms-spe-nmr-for-identification-of-ptp1b-inhibitors-from-vietnamese-plants
#7
Binh Thi Dieu Trinh, Anna K Jäger, Dan Staerk
Protein tyrosine phosphatase 1B (PTP1B) plays a key role as a negative regulator in insulin signal transduction by deactivating the insulin receptor. Thus, PTP1B inhibition has emerged as a potential therapeutic strategy for curing insulin resistance. In this study, 40 extracts from 18 different plant species were investigated for PTP1B inhibitory activity in vitro. The most promising one, the EtOAc extract of Ficus racemosa, was investigated by high-resolution PTP1B inhibition profiling combined with HPLC-HRMS-SPE-NMR analysis...
July 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28726668/formulation-and-technology-development-of-herbal-phenolic-biopolymer-containing-films-for-burn-treatment
#8
S Gokadze, V Barbakadze, K Mulkijanyan, A Bakuridze, L Bakuridze
Application of phytofilms based on biosolublepolymers is considered as a prospectivemethod for burn treatment . Herbal remedies contain biologically active substances, that are relatively less toxic, do not cause skin irritation or allergic reactions and, importantly, affectstrains of the microorganisms and viruses resistant to antibiotics and synthetic drugs. Nowadays, the advantages are given to such burn healing drugs, which along with high specific efficacy, have analgesic, anti-inflammatory and antimicrobial effects, and don't irritate the tissues...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28726225/the-principle-and-effect-of-transfer-agent-for-the-removal-of-pce-during-in-situ-chemical-oxidation
#9
Yunsong Liu, Jiajun Chen, Qingwei Wang, Lanxiang Shi, Yandan Shi
Viscosity remedial technology, which uses a water-soluble polymer mixed with remedial fluids, has been introduced in recent years to improve the removal efficacy of perchloroethylene/tetrachloroethylene (PCE) by improving oxidant coverage (i.e. sweep efficiency). Xanthan gum and hydrolysed polyacrylamide (HPAM) are relatively stable with time and temperature and possess salt and oxidation resistance, indicating that they may be good flooding agents (the former is better than the latter in this work). In this work, we quantified the polymer directly improved oxidation of PCE during transport by using a two-dimensional flow tank...
July 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28726221/redox-properties-of-humic-substances-under-different-environmental-conditions
#10
Wenyu Tian, Zhen Yang, Xue Zhang, Weifang Ma, Jie Jiang
Humic substances (HS) are one of the most important parts of dissolved organic matter which are ubiquitous in environments playing an important role in many (bio)geochemical processes. In order to define the effects of environmental conditions on the biological transformation of compounds in the presence of HS, microbial reduction rates of ferrihydrite under different HS concentrations, environmental temperature, and pH values were determined. The results showed that increasing the concentration of standard humic substances (Pahokee peat standard humic acids (PPHA) or Pahokee peat standard fulvic acids (PPFA)) purchased from the International Humic Substances Society could compensate for the certain gap of reduction rates between low temperature (10 °C) and high temperature (35 °C)...
July 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28725655/cell-replacement-therapy-is-the-remedial-solution-for-treating-parkinson-s-disease
#11
REVIEW
Venkatesan Dhivya, Vellingiri Balachandar
The selective degeneration of dopaminergic (DA) neurons in Parkinson's disease (PD) has made an idol target for cell replacement therapies and other emerging surgical treatments. Certainly, by transplantation method, the therapeutic regimens such as human fetal ventral midbrain (hfVM) cells, human embryonic stem cells (hESCs), human neural stem/precursor/ progenitor cells (hNSCs/hNPCs), human mesenchymal stem cells (hMSCs), human induced neural stem cells (hiNSCs), and human induced pluripotent stem cells (hiPSCs) have been used into DA deficient striatum...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28725525/microbial-degradation-of-petrochemical-waste-polycyclic-aromatic-hydrocarbons
#12
M H Fulekar
BACKGROUND: Petrochemical industry is one of the fastest growing industries. This industry has immense importance in the growth of economy and manufacture of large varieties of chemicals. The petrochemical industry is a hazardous group of industry generating hazardous waste containing organic and inorganic compounds. In spite of the present treatment process, the hazardous waste compounds are found untreated to the acceptable level and found discharged at soil-water environment resulting into the persistent organic-inorganic pollutant into the environment...
2017: Bioresources and Bioprocessing
https://www.readbyqxmd.com/read/28725154/new-constituents-triterpene-ester-and-sugar-derivatives-from-panax-ginseng-meyer-and-their-evaluation-of-antioxidant-activities
#13
Ill-Min Chung, Nasir Ali Siddiqui, Seung Hyun Kim, Praveen Nagella, Azmat Ali Khan, Mohd Ali, Ateeque Ahmad
Panax ginseng C. A. Meyer (Araliaceae), is a well-known herb and used in the old established system of Oriental remedy, especially in Japan, China and Korea. Four new compounds characterized as (cis)- 7β,11α,19,21-tetra-O-decanoyl-18, 22β-dihydroxy-dammar-1-en-3-one (1), 3β,4α,12β-trihydroxystigmast-5-en-21-yl octadecan-9',12'-dienoate (2), dammar-12, 24-dien-3α, 6β, 15α-triol-3α-D-arabinopyranosyl-6β-L-arabinopyranoside (3) and dammar-24-en-3α, 6β, 16α, 20β-tetraol-3α-D-arabinopyranosyl-6β-D-arabinopyranoside (4) were isolated and established from the ethyl acetate and butanol extracts of the roots of P...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28725022/action-video-games-improve-reading-abilities-and-visual-to-auditory-attentional-shifting-in-english-speaking-children-with-dyslexia
#14
Sandro Franceschini, Piergiorgio Trevisan, Luca Ronconi, Sara Bertoni, Susan Colmar, Kit Double, Andrea Facoetti, Simone Gori
Dyslexia is characterized by difficulties in learning to read and there is some evidence that action video games (AVG), without any direct phonological or orthographic stimulation, improve reading efficiency in Italian children with dyslexia. However, the cognitive mechanism underlying this improvement and the extent to which the benefits of AVG training would generalize to deep English orthography, remain two critical questions. During reading acquisition, children have to integrate written letters with speech sounds, rapidly shifting their attention from visual to auditory modality...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724883/calcium-prepartions-do-not-inhibit-allergic-reactions-a-randomized-controlled-trial
#15
Klaudia Matysiak, Michał Matuszewski, Wojciech Feleszko
INTRODUCTION    Massive consumption of dietary supplements, including vitamins and minerals, has recently became a serious public issue in Europe. When ingested, they may negatively affect pharmacological activity of various medications, including anti-allergic drugs. Calcium preparations are well-known and commonly used in some European countries as a popular remedy for allergy-related skin reactions, such as itching, erythema and wheals, as well as insect bites. However, their action has not been reliably proven yet...
June 27, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28724298/definitions-of-healing-and-healing-interventions-across-different-cultures
#16
Ann H Lichtenstein, Ann Berger, M Jennifer Cheng
For centuries healing has been embedded in non-Western cultures. Traditional cultures believe that healing is derived from the divine and utilize a holistic approach to healing including the body, mind, and spirit. The community and environment are key elements in individual healing along with herbal remedies and ceremonies. Western cultures have accepted some traditional methods of relaxation and exercise, such as yoga and tai chi. In this paper we will examine some similar themes of traditional practices to better understand traditional patients' healing paradigm and find new tools as practitioners of Western medicine...
July 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/28724250/reuse-water-exposure-duration-seasonality-and-treatment-affect-tissue-responses-in-a-model-fish
#17
B J Blunt, A Singh, L Wu, M Gamal El-Din, M Belosevic, K B Tierney
Partially remediated gray (reuse) water will likely find increasing use in a variety of applications owing to the increasing scarcity of freshwater. We aimed to determine if a model fish, the goldfish, could sense reuse water using olfaction (smell), and if 30min or 7d (acute) and 60d (sub-chronic) exposures would affect their olfactory responses to natural odorants. We examined olfaction as previous studies have found that numerous chemicals can impair the olfactory sense, which is critical to carrying out numerous life-sustaining behaviors from feeding to mating...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724226/application-of-a-crustacean-bioassay-to-evaluate-a-multi-contaminated-metal-pah-pcb-harbor-sediment-before-and-after-electrokinetic-remediation-using-eco-friendly-enhancing-agents
#18
Y Tian, C Boulangé-Lecomte, A Benamar, N Giusti-Petrucciani, A Duflot, S Olivier, C Frederick, J Forget-Leray, F Portet-Koltalo
Electrokinetic (EK) remediation can be a suitable technology for treating contaminated dredged harbor sediment, stored on terrestrial disposal sites. Citric acid (CA) and biosurfactants (rhamnolipids and saponin) were chosen as enhancing agents for simultaneous metal (Cd, Cr, Cu, Pb, Zn) and PAH/PCB removal by EK because of their potential low toxicity with a view to site restoration. Three EK runs were performed using a periodic voltage (1Vcm(-1)) and various concentrations of agents. The best combination of CA (0...
July 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724112/desert-vegetation-forty-years-after-an-oil-spill
#19
Mara Nothers, Nitzan Segev, Juergen Kreyling, Amgad Hjazin, Elli Groner
Deserts are the most frequent locations of terrestrial crude oil contaminations. Nevertheless, the long-term effects of petroleum hydrocarbons on desert ecosystems are still unknown, which makes risk assessment and decision making concerning remediation difficult. This study examined the long-term effects of petroleum hydrocarbons on perennial desert vegetation. The study site was a hyper-arid area in the south of Israel, which was contaminated by a crude oil spill in 1975. The contaminated area was compared to uncontaminated reference areas...
May 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28723615/nanoformulations-of-curcumin-an-emerging-paradigm-for-improved-remedial-application
#20
REVIEW
Meeta Gera, Neelesh Sharma, Mrinmoy Ghosh, Do Luong Huynh, Sung Jin Lee, Taesun Min, Taeho Kwon, Dong Kee Jeong
Curcumin is a natural polyphenol and essential curcuminoid derived from the rhizome of the medicinal plant Curcuma longa (L.) is universally acknowledged as "Wonder drug of life". It is a vital consumable and restorative herb, commonly keened for several ailments such as cancer, arthritis, pain, bruises, gastrointestinal quandaries, swelling and much more. Despite its enormous curative potential, the poor aqueous solubility and consequently, minimal systemic bioavailability with rapid degradation are some of the major factors which restrict the utilization of curcumin at medical perspective...
July 11, 2017: Oncotarget
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