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Hongchun Liu et al.
Clinical therapeutics, 34(3), 614-622 (2012-03-06)
Studies of dentifrices containing strontium chloride or potassium nitrate have documented the clinical efficacy of these formulations for dentin hypersensitivity (DH), but few studies have evaluated dentifrices containing both active ingredients. The objective of this study was to compare the
Yu Yang et al.
Environmental science & technology, 48(11), 6391-6400 (2014-04-24)
Titanium dioxide (TiO2) is widely used in food products, which will eventually enter wastewater treatment plants and terrestrial or aquatic environments, yet little is known about the fraction of this TiO2 that is nanoscale, or the physical and chemical properties
V S Kuzenkov et al.
Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova, 112(12 Pt 2), 35-39 (2013-02-08)
Effects of nitrates NaNO(3), KNO(3), Mg(NO(3)) 2 on animals (Wistar rats) were studied on the basis of the experimental model of ischemic stroke induced by the occlusion of two carotid arteries. The animals were divided into two groups: the main
Laura Asturias-Arribas et al.
Analytica chimica acta, 834, 30-36 (2014-06-15)
This paper describes the voltammetric determination of cocaine in presence of three different interferences that could be found in street samples using disposable sensors. The electrochemical analysis of this alkaloid can be affected by the presence of codeine, paracetamol or
Shafaqat Ali et al.
Environmental science and pollution research international, 22(14), 10669-10678 (2015-03-11)
Little information is available on the role of glycinebetaine (GB) in chromium (Cr) tolerance while Cr toxicity is widespread problem in crops grown on Cr-contaminated soils. In this study, we investigated the influence of GB on Cr tolerance in wheat
Oliver Peacock et al.
Medicine and science in sports and exercise, 44(11), 2213-2219 (2012-08-10)
The objective of this study is to examine the effects of acute ingestion of dietary nitrate on endurance running performance in highly trained cross-country skiers. Dietary nitrate has been shown to reduce the oxygen cost of submaximal exercise and improve
Muhammad Khairud Dahri et al.
Environmental monitoring and assessment, 187(8), 546-546 (2015-08-02)
Cempedak durian peel (CDP) was used to remove Brilliant Green (BG) dye from aqueous solution. The adsorption of BG onto CDP was studied as functions of contact time, pH, temperature, ionic strength and initial concentration. In order to understand the
LianZhen Li et al.
Ecotoxicology and environmental safety, 119, 66-73 (2015-05-16)
We examined the short-term toxicity of AgNPs and AgNO3 to Daphnia magna at sublethal levels using (1)H NMR-based metabolomics. Two sizes of polyvinylpyrrolidone-coated AgNPs (10 and 40nm) were synthesized and characterized and their Ag(+) release was studied using centrifugal ultrafiltration
Samuel Mabbott et al.
The Analyst, 140(13), 4399-4406 (2015-05-13)
The ever increasing numbers and users of designer drugs means that analytical techniques have to evolve constantly to facilitate their identification and detection. We report that surface enhanced Raman scattering (SERS) offers a relatively fast and inexpensive method for the
Jun Zhou et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 72(3), 377-383 (2015-07-24)
A continuous upflow biofilm reactor packed with ceramsite was constructed for nitrate removal under an anaerobic atmosphere without an organic carbon source. Denitrifying bacteria, Pseudomonas sp. W1, Pseudomonas sp. W2 and Microbacterium sp. W5, were added to the bioreactor as
[Alterations in the structure and activity of microbial soil community upon mineral nitrogen supplementation].
I V Evdokimov et al.
Mikrobiologiia, 81(6), 803-809 (2013-04-25)
E-A Kouotou et al.
Annales de dermatologie et de venereologie, 139(10), 617-620 (2012-11-06)
A cutaneous adverse drug reaction is a skin eruption secondary to the intake of a drug, be it prescribed by a medical practitioner or taken as auto-medication for a given ailment. In this document we present an original case of
B Gómara et al.
Journal of chromatography. A, 1423, 86-95 (2015-11-11)
The retention behavior of nine MPAEs has been studied, using commercial LC columns with octadecylsilane (ODS), phenyl, and amide-type SPs. First, it was found that the use of methanol in the mobile phase is not advisable, because induce a transesterification
Muhammad Adrees et al.
Ecotoxicology and environmental safety, 122, 1-8 (2015-07-15)
Chromium (Cr) is one of the most phytotoxic metals in the agricultural soils and its concentration is continuously increasing mainly through anthropogenic activities. Little is known on the role of mannitol (M) on plant growth and physiology under metal stress.
Nicole K Richards-Henderson et al.
Physical chemistry chemical physics : PCCP, 17(48), 32211-32218 (2015-11-19)
The photochemistry of nitrate ions in bulk aqueous solution is well known, yet recent evidence suggests that the photolysis of nitrate may be more efficient at the air-water interface. Whether and how this surface enhancement is altered by the presence
Yilmaz Ucuncu et al.
Life sciences, 130, 31-37 (2015-03-31)
This study investigates the effect of a new combination of glucosamine hydrochloride, chondroitin sulfate, methylsulfonylmethane, Harpagophytum procumbens root extract (standardized to 3% harpagoside) and bromelain extract (GCMHB) on formalin-induced damage to cartilage tissue in the rat knee joint and evaluates
Jasmine Seror et al.
Nature communications, 6, 6497-6497 (2015-03-11)
Hyaluronan, lubricin and phospholipids, molecules ubiquitous in synovial joints, such as hips and knees, have separately been invoked as the lubricants responsible for the remarkable lubrication of articular cartilage; but alone, these molecules cannot explain the extremely low friction at
N V S Cruz et al.
Archives of oral biology, 60(9), 1231-1236 (2015-06-21)
To evaluate the effect of a low-fluoride dentifrice (LFD) containing sodium trimetaphosphate (TMP) on enamel erosion in vitro. Bovine enamel blocks (n=144) were selected by surface hardness (SH) and subjected to erosive challenges, in two sets of experiments for 2
Concha Bosch-Navarro et al.
Physical chemistry chemical physics : PCCP, 17(44), 29628-29636 (2015-10-20)
The electrochemical activity of graphene is of fundamental importance to applications from energy storage to sensing, but has proved difficult to unambiguously determine due to the challenges innate to fabricating well defined graphene electrodes free from contamination. Here, we report
Kamonwad Ngamchuea et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 16(11), 2338-2347 (2015-06-04)
Partially blocked electrodes (PBEs) are important; many applications use non-conductive nanoparticles (NPs) to introduce new electrode functionalities. As aggregation is a problem in NP immobilization, developing an in situ method to detect aggregation is vital to characterise such modified electrodes.
Ziren Yan et al.
Beilstein journal of nanotechnology, 6, 1362-1368 (2015-07-23)
Metal nanocages have raised great interest because of their new properties and wide applications. Here, we report on the use of galvanic replacement reactions to synthesize substrate-supported Ag-Au nanocages from silver templates electrodeposited on transparent indium tin oxide (ITO) film
Fatai Adigun Aborode et al.
Metallomics : integrated biometal science, 7(7), 1056-1066 (2015-03-10)
Three month old Thunbergia alata were exposed for 13 days to 10 μM selenite to determine the biotransformation of selenite in their roots. Selenium in formic acid extracts (80 ± 3%) was present as selenopeptides with Se-S bonds and selenium-PC
Peigao Duan et al.
Bioresource technology, 186, 58-66 (2015-03-25)
This study presents experimental results that compare the use of hydrothermal liquefaction (HTL), alcoholysis (Al), pyrolysis (Py) and hydropyrolysis (HPy) for the production of bio-oil from a microalga (Chlorella pyrenoidosa) and the catalytic hydrothermal upgrading of crude bio-oils produced by
Diana C Vanegas et al.
Biosensors & bioelectronics, 74, 37-44 (2015-06-22)
The objective of this study was to develop a self-referencing electrochemical biosensor for the direct measurement of ATP flux into the extracellular matrix by living cells/organisms. The working mechanism of the developed biosensor is based on the activity of glycerol
Carlotta Pucci et al.
Soft matter, 10(48), 9657-9667 (2014-10-31)
The phase behavior of an ad hoc synthesized surfactant, sodium 8-hexadecylsulfate (8-SHS), and its mixtures with didecyldimethylammonium bromide (DiDAB) in water is reported. We dealt with dilute concentration regimes, at a total surfactant content of <30 mmol kg(-1) where vesicular
Xian Tang et al.
Journal of pharmaceutical and biomedical analysis, 107, 258-264 (2015-01-28)
A novel strategy for dual-channel detection of metallothioneins (MTs) and Hg(2+) has been proposed. In the absence of Hg(2+), the functional chimera aptamer (FCA) designed can form an intact G-quadruplex with flexibility, which was demonstrated to have peroxidase-like activities upon
Jasmina Stojkovska et al.
Carbohydrate polymers, 111, 305-314 (2014-07-20)
In this work, we present a comprehensive approach to evaluation of alginate microbeads with included silver nanoparticles (AgNPs) at the concentration range of 0.3-5mM for potential biomedical use by combining cytotoxicity, antibacterial activity, and silver release studies. The microbeads were
Z J Jay et al.
Applied and environmental microbiology, 81(17), 5907-5916 (2015-06-21)
Thermoproteales (phylum Crenarchaeota) populations are abundant in high-temperature (>70°C) environments of Yellowstone National Park (YNP) and are important in mediating the biogeochemical cycles of sulfur, arsenic, and carbon. The objectives of this study were to determine the specific physiological attributes
Manuel Gutiérrez-Capitán et al.
Analytical chemistry, 87(4), 2152-2160 (2015-01-17)
This work reports on the fabrication and comparative analytical assessment of electrochemical sensors applied to the rapid analysis of chemical oxygen demand (COD) in urban waste waters. These devices incorporate a carbon nanotube-polystyrene composite, containing different inorganic electrocatalysts, namely, Ni
Ying Zhang et al.
Journal of hazardous materials, 237-238, 376-381 (2012-09-18)
A stable four-member bacterial consortium, DNC5 that was capable of metabolizing atrazine was isolated from corn-planted soil. The main objective of this paper is to characterize the individual metabolic characteristics and the mutualism of the cultivable members in the consortium
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