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William D Kranz et al.
Analytical and bioanalytical chemistry, 406(30), 7817-7825 (2014-11-27)
Genuine explosive materials are traditionally employed in the training and testing of explosive-detecting canines so that they will respond reliably to these substances. However, challenges arising from the acquisition, storage, handling, and transportation of explosives have given rise to the
Michelle Hartmann et al.
In vitro cellular & developmental biology. Animal, 44(10), 458-463 (2008-09-24)
Serum of animal origin, like foetal calf serum (FCS), is used as a standard supplement for media to cultivate mammalian cells, mostly due to its growth-supporting properties. Unfortunately, animal serum has many disadvantages like the risk of contamination, high costs
Igor Jerković et al.
Chemistry & biodiversity, 13(2), 210-218 (2016-02-18)
Eight propolis samples from Croatia were analyzed in detail, to study the headspace, volatiles, anti-Varroa-treatment residue, phenolics, and antioxidant properties. The samples exhibited high qualitative/quantitative variability of the chemical profiles, total phenolic content (1,589.3-14,398.3 mg GAE (gallic acid equivalent)/l EtOH extract)
Pawliszyn, Janusz
Handbook of Solid Phase Microextraction, 410-410 (2009)
Maria Celeiro et al.
Chemosphere, 195, 201-211 (2017-12-22)
Due to the high concern generated in the last years about the safety of recycled tire rubber used for recreational sports surfaces, this study aims at evaluating the presence of forty organic compounds including polycyclic aromatic hydrocarbons (PAHs), phthalates, adipates
Weiqian Liang et al.
Journal of chromatography. A, 1491, 9-15 (2017-02-27)
In this work, a barley husk biomaterial was successfully carbonized by hydrothermal method. The carbon had a high specific surface area and good stability. It was coated onto a stainless steel wire through sol-gel technique to prepare a solid-phase microextraction
Adriana Neves Dias et al.
Analytica chimica acta, 888, 59-66 (2015-09-01)
This study describes the use of cork as a new coating for bar adsorptive microextraction (BAμE) and its application in determining benzophenone, triclocarban and parabens in aqueous samples by HPLC-DAD. In this study bars with 7.5 and 15 mm of
Cristina Bach et al.
Journal of chromatography. A, 1448, 98-106 (2016-04-30)
Here, we developed and validated a headspace-solid-phase microextraction-gas chromatography/mass spectrometry (HS-SPME-GC/MS) method for the determination of 14 volatile perfluorinated alkylated substances (PFASs) in water and sediment samples according to SANTE 11945/2015 guidelines. Three fluorotelomer alcohols (FTOHs), two perfluoroalkyl iodides (PFIs)
Nor H Kamarulzaman et al.
Talanta, 191, 535-544 (2018-09-29)
Different extraction procedures were evaluated to assess their potential for measuring volatile organic compounds (VOCs) from raw rubber materials. Four headspace sampling techniques (SHS, DHS, HS-SPME and µ-CTE) were studied. Each method was firstly optimised to ensure their reliability in
Masoud Ghader et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1083, 222-232 (2018-03-20)
Vaccine production is a biological process in which variation in time and output is inevitable. Thus, the application of Process Analytical Technologies (PAT) will be important in this regard. Headspace solid - phase microextraction (HS-SPME) coupled with GC-MS can be
Aníbal Valenzuela et al.
Talanta, 125, 196-203 (2014-05-21)
A new headspace solid-phase micro-extraction (HS-SPME) method followed by gas chromatography with pulsed flame photometric detection (GC-PFPD) analysis has been developed for the simultaneous determination of 11 organotin compounds, including methyl-, butyl-, phenyl- and octyltin derivates, in human urine. The
Igor Jerković et al.
Molecules (Basel, Switzerland), 21(3), 377-377 (2016-03-24)
The samples of Satureja subspicata Vis. honey were confirmed to be unifloral by melissopalynological analysis with the characteristic pollen share from 36% to 71%. Bioprospecting of the samples was performed by HPLC-DAD, GC-FID/MS, and UV/VIS. Prephenate derivatives were shown to
Heike Gerhardt et al.
Journal of chemical ecology, 42(8), 725-738 (2016-07-06)
Spatially controlled in vivo sampling by contact solid phase microextraction with a non-coated silica fiber combined with gas chromatography-mass spectrometry (GC-MS) was utilized for hydrocarbon profiling in tarsal adhesion secretions of four insect species (Nicrophorus vespilloides, Nicrophorus nepalensis, Sagra femorata
Zarrin Es'haghi et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 973C, 142-151 (2014-12-03)
Hollow fiber-solid phase micro-extraction (HF-SPME) technique containing sol-gel-derived Fe
Hatam Amanzadeh et al.
Analytica chimica acta, 884, 52-60 (2015-06-16)
In this work, ZnO/PPy nanocomposite coating was fabricated on stainless steel and evaluated as a novel headspace solid phase microextraction (HS-SPME) fiber coating for extraction of ultra-trace amounts of environmental pollutants; namely, aliphatic hydrocarbons in water and soil samples. The
J A Baz-Lomba et al.
Journal of chromatography. A, 1531, 32-38 (2017-11-29)
This article presents a novel approach for the analysis of 13 drugs in wastewater for use in wastewater-based epidemiology (WBE) studies. Sample preparation remains one of the principal bottlenecks in modern high-throughput analysis by ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS).
Hester Peltenburg et al.
Journal of chromatography. A, 1447, 1-8 (2016-04-17)
The mixed-mode (C18/strong cation exchange-SCX) solid-phase microextraction (SPME) fiber has recently been shown to have increased sensitivity for ionic compounds compared to more conventional sampler coatings such as polyacrylate and polydimethylsiloxane (PDMS). However, data for structurally diverse compounds to this
Xin-Yue Song et al.
Journal of chromatography. A, 1374, 23-30 (2014-12-02)
A new, efficient, and environmental friendly solid-phase microextraction (SPME) medium based on β-cyclodextrin (β-CD)-modified carbon nanotubes (CNTs) and a hollow fiber (HF) was prepared. Functionalized β-CD was covalently linked to the surface of the carboxylic CNTs and then the obtained
Li-Ming Li et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 36(6), 934-938 (2014-01-02)
To analyse the volatile compositions of different specification of Panax notoginseng. Volatile compositions from different specification of Panax notoginseng were detected by Headspace Solid-Phase Micro-Extraction with GC/MS. Terpenoids were the main compositions in different specification of Panax Notoginseng, and a-guaiene
Leontina Lipan et al.
Foods (Basel, Switzerland), 5(4) (2017-02-24)
In this work, the volatile profiles of smoked and non-smoked Iranian rice were identified, and their relative abundance was calculated and compared. Headspace solid-phase microextraction together with gas chromatography-mass spectrometry (SPME-GC-MS) were used to extract and identify the volatile compounds.
Chinthaka A Seneviratne et al.
Rapid communications in mass spectrometry : RCM, 30(1), 89-94 (2015-12-15)
Ambient mass spectrometry can detect small molecules directly, but complex mixtures can be a challenge. We have developed a method that incorporates small molecule separation based on laser desorption with capture on a solid-phase microextraction (SPME) fiber for injection into
Paweł Mochalski et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 959, 62-70 (2014-04-29)
Gas chromatography with mass spectrometric detection (GC-MS) coupled with solid phase micro-extraction as pre-concentration method (SPME) was applied to identify and quantify volatile organic compounds (VOCs) emitted by human skin. A total of 64 C4-C10 compounds were quantified in skin
Magdalena Cerkowniak et al.
Biomedical chromatography : BMC, 32(2) (2017-07-20)
A constant problem in veterinary medicine, human healthcare, agriculture, forestry and horticulture is the large number of pests, and the lack of effective methods to combat them which cause no harm to the rest of the environment. It is recommended
S T Smith et al.
Journal of dairy science, 99(11), 8687-8698 (2016-10-21)
Whey and milk permeates are by-products of high-protein dairy powder manufacture. Previous work has shown that these permeates contribute to salty taste without contributing significantly to sodium content. The objective of this study was to explore the sensory characteristics and
Kaisa J Raninen et al.
Nutrition research (New York, N.Y.), 36(6), 612-619 (2016-05-18)
Our pilot study examined the potential of exhaled breath analysis in studying the metabolic effects of dietary fiber (DF). We hypothesized that a high-fiber diet (HFD) containing whole grain rye changes volatile organic compound (VOC) levels in exhaled breath and
Pallavi Mohekar et al.
Journal of agricultural and food chemistry, 65(4), 872-878 (2017-01-10)
Brown marmorated stink bugs (BMSB) release stress compounds, tridecane and (E)-2-decenal, that affect final wine quality. This study focuses on determining the effect of wine processing on (E)-2-decenal and tridecane release in both red and white wines. Wines were produced
Hester Peltenburg et al.
Journal of pharmaceutical and biomedical analysis, 115, 534-542 (2015-08-28)
Freely dissolved concentrations are considered to be the most relevant concentration in pharmacology and toxicology, as they represent the active concentration available for interaction with its surroundings. Here, a solid-phase microextraction (SPME) coating that combines octadecyl and propylsulfonic acid groups
Jijie Kong et al.
Journal of separation science (2018-04-03)
A solid-phase microextraction coupled with gas chromatography and mass spectrometry method has been developed for the determination of ten nitrated polycyclic aromatic hydrocarbons in water samples. Five different kinds of commerical fibers were used to compare the extraction efficiency, including
Johannes Langen et al.
Analytical and bioanalytical chemistry, 408(23), 6483-6496 (2016-07-16)
Native concentrations of α-ionone, β-ionone, and β-damascenone were studied in various authentic and commercial wines. In addition, the enantiomeric distribution of α-ionone was determined and its merits as a potential marker for aroma adulteration in wine were discussed. For extraction of
Seta Noventa et al.
Analytica chimica acta, 858, 66-73 (2015-01-20)
This work validated an automated, fast, and low solvent- consuming methodology suited for routine analysis of tributyltin (TBT) and degradation products (dibutyltin, DBT; monobutyltin, MBT) in biota samples. The method was based on the headspace solid-phase microextraction methodology (HS-SPME), coupled
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