Výsledky vyhledávání - "Hamid Badiei"

Atmospheric-Pressure Dielectric Barrier Discharge as an Elemental Ion Source for Gas Chromatographic Analysis of Organochlorines

Autor: Hamid Badiei, Kaveh Jorabchi, Michael J. Dolan, Peter J. Haferl, Kunyu Zheng

Publikováno v: Analytical Chemistry. 90:2148-2154

Atmospheric-pressure dielectric barrier discharge (AP-DBD) plasma has emerged in recent years as a versatile plasma for molecular ionization and elemental spectroscopy. However, its capabilities as an elemental ion source have been less explored, par

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a29d160d4f1055e4ed0b026d8454966
https://doi.org/10.1021/acs.analchem.7b04446

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Atmospheric pressure plasma assisted reaction chemical ionization for analysis of chlorinated compounds separated by liquid chromatography

Autor: Haopeng Wang, Hamid Badiei, Kunyu Zheng, William P. McMahon, Joseph E. Lesniewski, Kaveh Jorabchi

Publikováno v: Journal of Analytical Atomic Spectrometry. 32:1757-1765

We report development of an atmospheric pressure plasma assisted reaction chemical ionization (PARCI) source with liquid sample introduction, enabling high sensitivity detection of chlorine in LC-separated compounds. In this novel approach, analytes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::48cfb67098c76d6ff0ca7872fe08b4ae
https://doi.org/10.1039/c7ja00115k

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Computational Fluid Dynamics (CFD) Applied to a Glass Vaporization Chamber for Introduction of Micro- or Nano-Size Samples into Lab-Based ICPs and to a CFD-Derived (and Rapidly Prototyped Via 3D Printing) Smaller-Size Chamber for Portable Microplasmas

Autor: Gordon Stubley, Hamid Badiei, Ryan Fitzgerald, Vassili Karanassios, Melanie Saddler

Computational fluid dynamics (CFD) is used extensively in many industries ranging from aerospace engineering to automobile design. We applied CFDs to simulate flows inside vaporization chambers designed for micro- or nano-sample introduction into con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3531a3626142205ef2606389dbc8a020
https://doi.org/10.5772/intechopen.72650

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High-sensitivity elemental ionization for quantitative detection of halogenated compounds

Autor: Hamid Badiei, Kaveh Kahen, Haopeng Wang, Kaveh Jorabchi, Carina S. Minardi

Publikováno v: The Analyst. 140:8177-8185

The rising importance of organohalogens in environmental, pharmaceutical, and biological applications has drawn attention to analysis of these compounds in recent years. Elemental mass spectrometry (MS) is particularly advantageous in this regard bec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58869d97f662d537c2342b9be1108826
https://doi.org/10.1039/c5an01958c

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Improvements in the detection and characterization of engineered nanoparticles using spICP-MS with microsecond dwell times

Autor: James F. Ranville, Manuel D. Montaño, Hamid Badiei, S. Bazargan

Publikováno v: Environ. Sci.: Nano. 1:338-346

The imminent release of engineered nanomaterials (ENPs) into the environment has raised several questions regarding their fate, transport, and toxicity. However, their small size, expected low concentrations (ng L−1), and the high environmental bac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e299de54afe28e7c2f294e78778f6506
https://doi.org/10.1039/c4en00058g

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Taking part of the lab to the sample: On-site electrodeposition of Pb followed by measurement in a lab using electrothermal, near-torch vaporization sample introduction and inductively coupled plasma-atomic emission spectrometry

Autor: Hamid Badiei, Vassili Karanassios, Chuan Liu

Publikováno v: Microchemical Journal. 108:131-136

An electrodeposition method for preconcentration and separation of labile Pb from liquid samples with a complex matrix is described. For the first time, Pb was electrodeposited on-site on Re coiled-filament assemblies that were developed for use with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb7b5a81366fe85c9260a3d14e1a3936
https://doi.org/10.1016/j.microc.2012.10.013

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Bringing part of the lab to the field: On-site chromium speciation in seawater by electrodeposition of Cr(III)/Cr(VI) on portable coiled-filament assemblies and measurement in the lab by electrothermal, near-torch vaporization sample introduction and inductively coupled plasma-atomic emission spectrometry

Autor: Vassili Karanassios, Hamid Badiei, Jennifer McEnaney

Publikováno v: Spectrochimica Acta Part B: Atomic Spectroscopy. 78:42-49

A field-deployable electrochemical approach to preconcentration, matrix clean up and selective electrodeposition of Cr(III) and Cr(III) + Cr(VI) in seawater is described. Using portable, battery-operated electrochemical instrumentation, Cr species in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ca1e719ad937870dc4e633d8ce94778
https://doi.org/10.1016/j.sab.2012.10.002

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Micro- and nano-volume samples by electrothermal, near-torch vaporization sample introduction using removable, interchangeable and portable rhenium coiled-filament assemblies and axially-viewed inductively coupled plasma-atomic emission spectrometry

Autor: Hamid Badiei, Bryant Lai, Vassili Karanassios

Publikováno v: Spectrochimica Acta Part B: Atomic Spectroscopy. 77:19-30

An electrothermal, near-torch vaporization (NTV) sample introduction for micro- or nano-volume samples is described. Samples were pipetted onto coiled-filament assemblies that were purposely developed to be removable and interchangeable and were drie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6b12f4fd2a2df3f9f17bde1526b9ed97
https://doi.org/10.1016/j.sab.2012.07.025

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Ti in dilute slurries of TiO2 nanoparticles by in-torch vaporization sector field inductively coupled plasma-mass spectrometry☆

Autor: Vassili Karanassios, Hamid Badiei, Blair D. Gibson

Publikováno v: Spectrochimica Acta Part B: Atomic Spectroscopy. 61:753-758

A Re coil-filament in-torch vaporization (ITV) sample introduction system was interfaced to a sector field inductively coupled plasma-mass spectrometry (SFICP-MS) system. In this first report on an un-optimized ITV-SF-ICP-MS system, detection limits

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a404b904e7d0daa208e9e309531b9475
https://doi.org/10.1016/j.sab.2006.01.010

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Calcium content of individual, microscopic, (sub) nanoliter volume Paramecium sp. cells using rhenium-cup in-torch vaporization (ITV) sample introduction and axially viewed ICP-AES

Autor: Hamid Badiei, Vassili Karanassios, Michael Rutzke

Publikováno v: Journal of Analytical Atomic Spectrometry. 17:1007-1010

The Ca content of individual Paramecium species (sp.) cells with an average volume of about 0.1 nL was determined by Re-cup in-torch vaporization (ITV) sample introduction and an axially viewed inductively coupled plasma atomic emission spectrometry

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::50ac0ebd3f37bdf3c05cb53b8ece4657
https://doi.org/10.1039/b203352f

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