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Caterina Maulini-Duran et al.
Bioresource technology, 147, 43-51 (2013-09-03)
Volatile organic compound (VOC) and ammonia, that contribute to odor pollution, and methane and nitrous oxide, with an important greenhouse effect, are compounds present in gaseous emission from waste treatment installations, including composting plants. In this work, gaseous emissions from
Irene Catanzaro et al.
Journal of hazardous materials, 185(2-3), 591-597 (2010-10-20)
The aim of this work was to study the biological effects of four monoterpenes, i.e. α-pinene, β-pinene, 3-carene and D-limonene present in the wastewater of a citrus transformation factory. The study was carried out by exposing V79 Chinese hamster cells
Arash Asfaram et al.
Ultrasonics sonochemistry, 32, 407-417 (2016-05-07)
A simple, low cost and ultrasensitive method for the simultaneous preconcentration and determination of trace amount of auramine-O and malachite green in aqueous media following accumulation on novel and lower toxicity nanomaterials by ultrasound-assisted dispersive solid phase micro-extraction (UA-DSPME) procedure
Paolo Grassi et al.
Phytochemical analysis : PCA, 15(3), 198-203 (2004-06-19)
A non-equilibrium solid phase micro-extraction application was tested for the rapid extraction of essential oil from single oil glands of sage and the oil components compared with those determined by solvent extract and distillation. Oil glands were directly ruptured with
Corrigendum to "A novel dispersive micro solid phase extraction using zein nanoparticles as the sorbent combined with headspace solid phase micro-extraction to determine chlorophenols in water and honey samples by GC-ECD" [Talanta 128 (1 October 2014) 493-499].
Khalil Farhadi et al.
Talanta, 175, 574-574 (2017-08-27)
A Mena Granero et al.
Journal of chromatography. A, 1045(1-2), 173-179 (2004-09-24)
Coupling headspace solid-phase microextraction (HS-SPME) and low-pressure gas chromatography-tandem mass spectrometry (LP-GC-MS-MS) has been used for determining 20 volatile compounds present in flowers. HS-SPME coupled with LP-GC-MS-MS acts in a synergic way allowing a fast extraction and analysis of the
Dalva A Souza et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 38(4), 417-428 (2003-07-15)
Solid-phase micro-extraction (SPME) coupled on line with high resolution gas chromatography and mass spectrometric detection is described for the analysis of pesticides in environmental water samples. Experiments were performed in order to optimize the SPME extraction conditions for selected pesticides
Elena E Stashenko et al.
Journal of biochemical and biophysical methods, 70(2), 235-242 (2006-10-19)
Recent advances in the development of analytical methods based on headspace/solid-phase micro-extraction (HS/SPME) of natural aroma compounds are reviewed, with special emphasis on increasing reproducibility. Representative examples of applications of HS/SPME to the determination of components at trace levels, strategies
Fatemeh Mousavi et al.
Journal of proteome research, 15(3), 963-975 (2016-01-27)
Sampling and sample preparation plays an important role in untargeted analysis as it influences final composition of the analyzed extract and consequently reflection of the metabolome. In the current work, mechanism of bactericidal action of cinnamaldehyde (CA) against Escherichia coli
Huan Cheng et al.
Molecules (Basel, Switzerland), 23(7) (2018-07-06)
The dried cubeb berries are widely used as medicinal herb and spicy condiment with special flavor. However, there is a significant definition discrepancy for cubeb berries. In this study, an efficient analytical method to characterize and discriminate two popular cubeb
Hai-Long Qian et al.
Journal of chromatography. A, 1542, 1-18 (2018-03-03)
Covalent organic frameworks (COFs) are a new class of multifunctional crystalline organic polymer constructed with organic monomers via robust covalent bonds. The unique properties such as convenient modification, low densities, large specific surface areas, good stability and permanent porosity make
Wen-bo Wang et al.
Guang pu xue yu guang pu fen xi = Guang pu, 24(1), 59-61 (2005-03-17)
In the present paper, butyl acrylate and phenylethylene were used as monomers, benzoyl peroxide as evocator, n-butyl acetate and methylbenzene as solvent, a new type of solid-phase micro extraction adsorbent that is phenylethylene-butyl acrylate copolymer was synthesized by solution polymerization.
Jun Gao et al.
Talanta, 167, 8-13 (2017-03-28)
Advances in sample nebulization and injection technology have significantly reduced the volume of solution required for trace impurity analysis in plutonium and uranium materials. Correspondingly, we have designed and tested a novel chip-based microfluidic platform, containing a 100-µL or 20-µL
Shuqin Liu et al.
Analytica chimica acta, 987, 38-46 (2017-09-17)
This study presents the preparation and the characterizations of six tri-metal centered metal-organic frameworks (tM-MOFs) as solid-phase microextraction (SPME) adsorbents. Possessing different proportions of Al, Ga and In atoms in their frameworks, the tM-MOF-based SPME coatings exhibited different extraction performance
Remziye Yazici et al.
Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA, 30(5), 542-550 (2011-07-13)
The aim of this study was to investigate the aerobic and anaerobic degradation of phenol and its derivatives in aerobic and anaerobic landfills. Phenolic compounds were extracted from leachate samples using the solid phase micro-extraction method. In this study, analysis
Sara Triñanes et al.
Talanta, 132, 433-442 (2014-12-06)
A new straightforward and inexpensive sample screening method for both EPA and EU priority polycyclic aromatic hydrocarbons (PAHs) in water has been developed. The method is based on combined direct immersion and headspace (DIHS) sorptive extraction, using low-cost disposable material
M Soubhi Altaki et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 34(5), 728-739 (2017-01-10)
The occurrence of furan in commercial baby food samples from the Spanish market was evaluated using an automated headspace solid-phase microextraction method coupled to gas chromatography-mass spectrometry (HS-SPME-GC-MS). A total of 76 baby food samples including infant formula, baby cereals
Sandrine Aguerre et al.
Analytical and bioanalytical chemistry, 376(2), 226-235 (2003-04-19)
The coupling between gas chromatography (GC) and inductively coupled plasma-atomic emission spectrometry (ICP-AES) has been optimised using experimental designs. Four factors were considered in order to assist the crucial part of the coupling which is the analytes passing through the
G Romanik et al.
Journal of biochemical and biophysical methods, 70(2), 253-261 (2006-11-28)
This paper discusses preparation techniques of samples of plant material for chromatographic analysis. Individual steps of the procedures used in sample preparation, including sample collection from the environment or from tissue cultures, drying, comminution, homogenization, leaching, extraction, distillation and condensation
Afshin Rajabi Khorrami et al.
Analytica chimica acta, 727, 20-25 (2012-05-01)
In this work, a molecular sol-gel imprinting approach has been introduced to produce a fiber coating for selective direct immersion solid-phase microextraction (SPME) of caffeine. The polymerization mixture was composed of vinyl trimethoxysilane and methacrylic acid as vinyl sol-gel precursor
Yonghua Wang et al.
Journal of separation science, 41(1), 180-194 (2017-06-20)
Metal-organic frameworks are promising materials in diverse analytical applications especially in sample pretreatment by virtue of their diverse structure topology, tunable pore size, permanent nanoscale porosity, high surface area, and good thermostability. According to hydrostability, metal-organic frameworks are divided into
Meng Mei et al.
Journal of chromatography. A, 1525, 1-9 (2017-10-23)
Due to the endocrine disrupting properties, organic UV filters have been a great risk for humans and other organisms. Therefore, development of accurate and effective analytical methods is needed for the determination of UV filters in environmental waters. In this
Celia Ruiz-Palomero et al.
The Analyst, 140(10), 3431-3438 (2015-03-18)
An innovative and versatile strategy of Solid Phase Microextraction (SPME) is shown by using a new type of β-cyclodextrin-modified nanocellulose (CD-NC) as a sorbent material. β-cyclodextrin (used as an inclusion-type selector) was covalently bonded to amine-modified nanocellulose by an amidation
David J S Patinha et al.
Materials (Basel, Switzerland), 10(9) (2017-09-21)
Crosslinked pyrrolidinium-based poly(ionic liquids) (Pyrr-PILs) were synthesized through a fast, simple, and solventless photopolymerization scheme, and tested as solid phase microextraction (SPME) sorbents. A series of Pyrr-PILs bearing three different alkyl side chain lengths with two, eight, and fourteen carbons
Leopoldo Cruz-López et al.
Journal of chemical ecology, 41(5), 458-464 (2015-04-29)
The guava fruit fly, Anastrepha striata, is a pest of several cultivated species of Myrtaceae in the American tropics and subtropics. During calling, A. striata males release numerous volatiles. This study was conducted to identify which of the male volatiles
Marzieh Piryaei et al.
Natural product research, 29(19), 1789-1792 (2015-01-24)
In this work, a highly porous fibre coated with polythiophene/hexagonally ordered silica nanocomposite (PT/SBA-15) was prepared and used for extraction of essential oils with microwave-assisted distillation headspace solid phase microextraction (MA-HS-SPME) method. The prepared nanomaterials were immobilised on a stainless
Jacek A Koziel et al.
Food chemistry, 232, 799-807 (2017-05-12)
A passive sampling method, using retracted solid-phase microextraction (SPME) - gas chromatography-mass spectrometry and time-weighted averaging, was developed and validated for tracking marker volatile organic compounds (VOCs) emitted during aerobic digestion of biohazardous animal tissue. The retracted SPME configuration protects
Liu Yang et al.
Journal of chromatography. A, 1471, 80-86 (2016-10-22)
In this work, a novel poly(3,4-ethylenedioxythiophene)@Au nanoparticles (PEDOT@AuNPs) hybrid coating was prepared and characterized. Firstly, the monomer 3,4-ethylenedioxythiophene was self-assembled on AuNPs, and then electropolymerization was performed on a stainless steel wire by cyclic voltammetry. The obtained PEDOT@AuNPs coating was
Shanshan Zhou et al.
Journal of separation science, 40(24), 4796-4804 (2017-10-28)
A new strategy for the immobilization of phenyl-functionalized silica nanoparticles onto nickel-titanium alloy wires is presented. The homogeneous and compact silica nanoparticle coating was achieved on the hydrothermally treated nickel-titanium wires with large surface area by electrophoretic deposition, and followed
Tomasz Sawoszczuk et al.
Journal of separation science, 40(4), 858-868 (2016-12-10)
The goal of this work was to determine the microbial volatile organic compounds emitted by moulds growing on wool in search of particular volatiles mentioned in the literature as indicators of active mould growth. The keratinolytically active fungi were inoculated
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