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   Articles with "direct analysis" as a keyword



Analysis of Trace Drugs of Abuse by Direct Analysis in Real Time (DART) Mass Spectrometry.

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recommendations! Published in 2018 at "Methods in molecular biology"

DOI: 10.1007/978-1-4939-8579-1_17

Abstract: Analysis of trace amounts of drugs of abuse is important in a variety of situations, including forensic casework. Here, a method for the facile, rapid collection of traces of drugs from a variety of porous… read more here.

Keywords: analysis real; analysis; direct analysis; analysis trace ... See more keywords

Application of direct analysis in real time to the study of chemical vapor generation mechanisms: identification of intermediate hydrolysis products of amine-boranes

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recommendations! Published in 2019 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-019-01598-4

Abstract: AbstractIn order to elucidate controversial results emerging in chemical vapor generation (CVG) for trace element determination, we conducted a series of experiments devoted to the identification of intermediates formed by acid hydrolysis of amine-boranes. For… read more here.

Keywords: chemical vapor; amine boranes; direct analysis; time ... See more keywords
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Application of direct analysis in real time to study chemical vapor generation mechanisms: reduction of dimethylarsinic(V) acid with aqueous NaBH4 under non-analytical conditions

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recommendations! Published in 2020 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-020-02896-y

Abstract: The aqueous-phase reaction of dimethylarsinc acid (DMAs(V)) with NaBH4 (THB) was studied under non-analytical conditions (1000 μg/mL As, 0.1 M HCl, 1% NaBH4) with the aim of identifying intermediates and reaction products. The use of… read more here.

Keywords: non analytical; chemical vapor; real time; analysis real ... See more keywords
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A mass spectrometric study of hydride generated arsenic species identified by direct analysis in real time (DART) following cryotrapping

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recommendations! Published in 2021 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-021-03289-5

Abstract: Hydride generation (HG) coupled to cryotrapping was employed to introduce, separately and with high selectivity, four gaseous arsanes into a direct analysis in real time source for high-resolution mass spectrometry (DART-HR-MS). The arsanes, i.e., arsane… read more here.

Keywords: real time; analysis real; dart; direct analysis ... See more keywords

Identification of plant-based spilled oils using direct analysis in real-time–time-of-flight mass spectrometry with hydrophobic paper sampling

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recommendations! Published in 2025 at "Environmental Monitoring and Assessment"

DOI: 10.1007/s10661-024-13583-1

Abstract: Spilled plant-based oils behave very differently in comparison to petroleum oils and require different clean-up measures. They do not evaporate, disperse, dissolve, or emulsify to a significant degree but can polymerize and form an impermeable… read more here.

Keywords: analysis real; time; plant based; direct analysis ... See more keywords

Rapid Analysis of Ingredients in Cream Using Ultrasonic Mist–Direct Analysis in Real-Time Time-of-Flight Mass Spectrometry

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recommendations! Published in 2017 at "Journal of The American Society for Mass Spectrometry"

DOI: 10.1007/s13361-017-1746-4

Abstract: AbstractA novel method for the simultaneous detection of ingredients in pharmaceutical applications such as creams and lotions was developed. An ultrasonic atomizer has been used to produce a mist containing ingredients. The analyte molecules in… read more here.

Keywords: analysis real; analysis; direct analysis; time ... See more keywords

Advanced flexibility-based beam-column element allowing for shear deformation and initial imperfection for direct analysis

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recommendations! Published in 2019 at "Engineering Structures"

DOI: 10.1016/j.engstruct.2019.109586

Abstract: Abstract In this paper, a new flexibility-based beam-column element allowing the interaction of shear deformation and initial imperfections is proposed. The element is based on Hellinger-Reissner functional with exact force interpolation functions. An extended displacement… read more here.

Keywords: direct analysis; deformation initial; shear deformation; initial imperfection ... See more keywords

A rapid screening of histamine concentration in fish fillet by direct analysis in real time mass spectrometry (DART-MS)

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recommendations! Published in 2017 at "Food Control"

DOI: 10.1016/j.foodcont.2016.12.001

Abstract: Abstract Histamine is a biogenic amine causing scombroid foodborne poisoning. A rapid determination of the amine is effective in preventing the distribution of histamine-accumulated foods to market. Conventional methods for the determination of histamine concentration… read more here.

Keywords: histamine concentration; analysis real; dart; direct analysis ... See more keywords
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Practical investigation of direct analysis in real time mass spectrometry for fast screening of explosives

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recommendations! Published in 2020 at "Forensic Chemistry"

DOI: 10.1016/j.forc.2020.100233

Abstract: Abstract While the direct analysis in real time ionization coupled with mass spectrometry (DART-MS) is viable for the screening of trace explosives, a comprehensive evaluation is needed before its implementation in practice. This work has… read more here.

Keywords: real time; mass spectrometry; analysis real; analysis ... See more keywords

Rapid screening of 23 synthetic cannabinoids in blood by direct analysis in real time - Tandem mass spectrometry

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recommendations! Published in 2021 at "International Journal of Mass Spectrometry"

DOI: 10.1016/j.ijms.2021.116667

Abstract: Abstract New psychoactive substances of synthetic cannabinoids are cannabinoid receptor agonists which interact with the endocannabinoid system. They have become alternatives to traditional drugs by criminals for profit. Rapid detection of synthetic cannabinoids became the… read more here.

Keywords: mass spectrometry; synthetic cannabinoids; mass; rapid screening ... See more keywords

A direct analysis approach for ejection problem of the independent escape capsule

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recommendations! Published in 2017 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2017.08.053

Abstract: Abstract A direct analysis approach is adopted to handle ejection problem of the independent escape capsule from submarine in still water. Motion characteristics of the capsule and the gap between the capsule and submarine for… read more here.

Keywords: escape capsule; motion; escape; direct analysis ... See more keywords