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I Poulopoulou et al.
Journal of animal physiology and animal nutrition, 96(2), 172-181 (2011-02-16)
Terpenes have been proposed as potential biomarkers in verifying the diets of grazing animals. A study of the relationships between the intake of terpenes and their presence in animal tissues (blood and milk) as well as in the final product
Waseem Raza et al.
The Science of the total environment, 607-608, 326-338 (2017-07-12)
The complexity of soil processes involved in the production, consumption and accumulation of volatile organic compounds (VOCs) makes hard to access the overall dynamics of VOCs in the soil. In this study, the field soil, applied with inorganic (CF), organic
Christof Björn Steingass et al.
Analytical and bioanalytical chemistry, 407(9), 2591-2608 (2015-02-24)
Qualitative ripening-dependent changes of pineapple volatiles were studied via headspace solid-phase microextraction and analyzed by comprehensive two-dimensional gas chromatography quadrupole mass spectrometry (HS-SPME-GC×GC-qMS). Early green-ripe stage, post-harvest ripened, and green-ripe fruits at the end of their commercial shelf-life were compared
José Octavio Saucedo-Lucero et al.
Environmental science and pollution research international, 25(10), 9806-9816 (2018-01-27)
A biotrickling filter was evaluated to treat the air of the interior of a bioprocess research laboratory. Initially, various solid-phase microextraction (SPME) fibers were used to identify and quantify the volatile organic pollutants and hexane, methyl isobutyl ketone, benzene, toluene
Seyed Ghavameddin Attari et al.
Journal of environmental health science & engineering, 12(1), 123-123 (2014-10-04)
A green, environmental friendly and sensitive method for determination of volatile organohalogen compounds was described in this paper. The method is based on a homemade sol-gel single-walled carbon nanotube/silica composite coated solid-phase microextraction to develop for sampling and analysis of
Lillemor Gustavsson et al.
Environmental science and pollution research international, 14(3), 202-211 (2007-06-15)
Sweden has prohibited the deposition of organic waste since January, 2005. Since 1 million tons of sludge is produced every year in Sweden and the capacity for incineration does not fill the demands, other methods of sludge management have to
Han Wang et al.
Analytical chemistry, 88(1), 796-802 (2015-11-26)
Trace mercury speciation in cells is critical to understand its cytotoxicity and cell protection mechanism. In this work, we fabricated a chip-based magnetic solid-phase microextraction (MSPME) system, integrating a cell lysis unit as well as a sample extraction unit, and
Sângela Nascimento do Carmo et al.
Journal of chromatography. A, 1525, 23-31 (2017-10-17)
In this study, an environmentally friendly and low-cost biosorbent coating was evaluated, for the first time, as the extraction phase for solid-phase microextraction (SPME) supported on a nitinol alloy. The characterization of the new fiber was performed by Fourier transform
Miao Pei et al.
Journal of chromatography. A, 1517, 1-8 (2017-08-29)
To extract tetracycline antibiotics (TAs) effectively, a new adsorbent based on poly (muconic acid-co-divinylbenzene/ethylenedimethacrylate) monolith was fabricated and used as the extraction medium of multiple monolithic fiber solid-phase microextraction (MD/MF-SPME). The effect of the fabrication parameters on extraction efficiency was
Liz M Díaz-Vázquez et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 825(1), 11-20 (2005-08-23)
Methodology using MAE/SPME/GC-MS is being pursued for the analysis of organic pollutants in sebum. The microwave-assisted extraction (MAE) of standards of semi volatile organic pollutants from sebum was optimized. All compounds were extracted from sebum with recoveries analyzed by GC/MS
Niels Timmer et al.
Analytica chimica acta, 1002, 26-38 (2018-01-08)
Working with and analysis of cationic surfactants can be problematic since aqueous concentrations are difficult to control, both when taking environmental aqueous samples as well as performing laboratory work with spiked concentrations. For a selection of 32 amine based cationic
M A Stack et al.
Chemosphere, 41(11), 1821-1826 (2000-11-01)
Solid phase micro extraction (SPME) was applied to the determination of selected trihalomethanes (THMs), chloroform, bromodichloromethane, dibromochloromethane, bromoform, in potable and recreational waters. The selected samples were environmentally significant due to mandatory limits imposed by regulatory agencies. Extraction of the
Anupam Giri et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 34(12), 2069-2084 (2017-09-09)
For the implementation of Regulation (EC) No 2065/2003 related to smoke flavourings used or intended for use in or on foods a method based on solid-phase micro extraction (SPME) GC/MS was developed for the characterisation of liquid smoke products. A
Laure Rebière et al.
Analytica chimica acta, 660(1-2), 149-157 (2010-01-28)
A headspace-solid-phase micro-extraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) method has been developed to quantify a range of volatile compounds in Hunter Valley Semillon wines. The fibre selected for the method was a 50/30 microm divinylbenzene/carboxen/polydimethylsiloxane fibre, a three-phase fibre that allows extraction
Calum R Wilson et al.
PloS one, 12(7), e0181831-e0181831 (2017-07-27)
Tomato spotted wilt virus (TSWV) causes sporadic but serious disease in Australian potato crops. TSWV is naturally spread to potato by thrips of which Thrips tabaci is the most important. Prior studies indicated possible non-preference of potato cultivars to T.
Sahar Ghasemi et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 971, 112-119 (2014-10-04)
Methyl-tert-butyl ether (MTBE) is widely used as an antiknock additive for increasing octane number of gasoline. Recently, the in vivo studies demonstrated that MTBE has genotoxic potential and able to form adducts with DNA. In the work, the interactions of
Malik Chalal et al.
Frontiers in plant science, 6, 350-350 (2015-06-05)
Inducing resistance in plants by the application of elicitors of defense reactions is an attractive plant protection strategy, particularly for grapevine (Vitis vinifera), which is susceptible to severe fungal diseases. Although induced resistance (IR) can be successful under controlled conditions
Paweł Mochalski et al.
The Analyst, 137(14), 3278-3285 (2012-06-05)
Headspace solid phase micro-extraction gas chromatography-mass spectrometry (SPME-GC-MS) analysis was performed over an in-house made filling chamber loaded with brick or concrete, mimicking a potential entrapment scene of building collapse following natural or man-made disasters. Permeation profiles of 22 volatile
Tiffany Baiocchi et al.
Scientific reports, 7(1), 6270-6270 (2017-07-26)
Entomopathogenic nematodes (EPNs) are insect parasites used as biological control agents. Free-living infective juveniles (IJs) of EPNs employ host-seeking behaviors to locate suitable hosts for infection. We found that EPNs can differentiate between naïve and infected hosts, and that host
Kristin Schallschmidt et al.
Journal of breath research, 9(2), 027103-027103 (2015-02-11)
In vitro cultured lung cancer cell lines were investigated regarding the possible identification of volatile organic compounds as potential biomarkers. Gas samples from the headspace of pure culture medium and from the cultures of human lung adenocarcinoma cell lines A549
Fabian Fischer et al.
Environmental science & technology, 50(17), 9708-9716 (2016-08-06)
In chronic toxicity tests with Caenorhabditis elegans, it is necessary to feed the nematode with bacteria, which reduces the freely dissolved concentration (Cfree) of hydrophobic organic chemicals (HOCs), leading to poorly defined exposure with conventional dosing procedures. We examined the
Shuqin Liu et al.
Analytica chimica acta, 878, 109-117 (2015-05-24)
Mesoporous TiO2 nanoparticles were synthesized with the hydrothermal method and characterized by powder X-ray diffraction (PXRD) and transmission electron microscope (TEM). Then a superior solid-phase microextraction (SPME) fiber was fabricated by sequentially coating the stainless steel fiber with silicone sealant
Karolin Axelsson et al.
Microbial ecology, 74(1), 177-184 (2017-01-12)
The pine weevil, Hylobius abietis, is a severe forest pest insect as it feeds on newly planted conifer seedlings. To identify and develop an antifeedant could be one step towards the protection of seedlings from feeding damage by the pine
Vilma Kaškonienė et al.
Natural product research, 30(12), 1373-1381 (2015-07-30)
Since biological activity of medicinal plants is dependent on cultivation area, climatic conditions, developmental stage, genetic modifications and other factors, it is important to study flora present in different growing sites and geographical zones. This study was focused on screening
Mario F Mirabelli et al.
The Analyst, 143(4), 891-899 (2018-01-23)
We evaluated the performance of a dielectric barrier discharge ionization (DBDI) source for pesticide analysis in grape juice, a fairly complex matrix due to the high content of sugars (≈20% w/w) and pigments. A fast sample preparation method based on
F Pena-Pereira et al.
The Analyst, 140(21), 7417-7422 (2015-09-15)
Ionogels, a family of hybrid materials in which ionic liquids (ILs) are confined in a sol-gel network, are receiving much attention in a variety of scientific and technological fields. In this work, ionogels derived from three different ILs based on
Stefano Dugheri et al.
International journal of analytical chemistry, 2016, 2129053-2129053 (2016-11-11)
Hydrogen fluoride (HF) is a basic raw material for a wide variety of industrial products, with a worldwide production capacity of more than three million metric tonnes. A novel method for determining particulate fluoride and gaseous hydrogen fluoride in air
Kai-Min Yang et al.
Journal of oleo science, 66(2), 113-122 (2017-01-20)
Algae oil and fish oil are n-3 PUFA mainstream commercial products. The various sources for the stability of n-3 PUFA oxidation are influenced by the fatty acid composition, extraction and refined processing. In this study, the oil stability index (OSI)
Jianping Cao et al.
Environmental science & technology, 51(16), 9137-9145 (2017-07-18)
Clothes play an important role in dermal exposure to indoor semivolatile organic compounds (SVOCs). The diffusion coefficient of SVOCs in clothing material (D
Lijun Xie et al.
Analytica chimica acta, 853, 303-310 (2014-12-04)
Metal-organic frameworks (MOFs) have received great attention as novel sorbents due to their fascinating structures and intriguing potential applications in various fields. In this work, a MIL-101(Cr)-coated solid-phase microextraction (SPME) fiber was fabricated by a simple direct coating method and
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