Global ETD Search
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Showing 1 to 9 of 9 for “"Direct Analysis in Real Time"”.
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Optimization And Validation Of Direct Analysis In Real Time Mass Spectrometry (dart-Ms) For Quantitation Of Sugars To Advance Biofuel Production
<p>A direct analysis in real time mass spectrometry method was developed and validated for the analysis and quantitation of sugars that would be generated from pretreated and hydrolyzed switchgrass. This research aspect can be divided into two sections: </p> <p><em>i) Literature Review</em>: A …
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Characterizing organic colorants in mock-ups of a 15th-century Iranian Timurid Qur'an by direct analysis in real time time-of-flight mass spectrometry
<p>The Detroit Institute of Art (DIA) has in its possession a 15th century Iranian Timurid Qur’an (accession number 30.323) as the centerpiece of the Islamic Art Collection. The Qur’an manuscript pages are folio size, highly polished, and brightly colored. The pages are composed of 10 distinct …
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Investigation and characterization of the Direct Analysis in Real Time helium metastable beam open-air ion source: Mechanism of ionization, fluid dynamic visualization, and applications
<p>The DART ion source was introduced in 2005 at the ASMS Sanibel Conference and immediately afterward Professor Sparkman was contemplating of a way to get our lab this revolutionary mass spectrometry ionization technique. It did not take long because it was delivered to the Pacific Mass …
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Ambient Ionization Mass Spectrometry Analysis Pertaining To Biofuel Process Development
… (MS) has undergone a revolution with the introduction of a new group of desorption/ionization (DI) techniques known collectively as Ambient Ionization mass spectrometry. Ambient ionization mass spectrometry allows for direct analysis of analytes and typically requires little or no sample …
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The Development and Application of Non- Targeted Mass Spectrometry Based Methods to Tea (Camellia Sinensis L.)
Non-targeted analysis is an analytical approach which attempts to measure changes in the abundance of as many metabolites as possible (both known and unknown) in a single sample. Methodologies to perform this demanding task require regular improvement to keep pace with on-going technological …
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Rapid identification, confirmation, and quantitation using an open-air ion source coupled to a time-of-flight mass spectrometer
… ability to identify and confirm a compound using mass spectrometry usually involves time consuming sample preparation and method development. The open-air ion source DART (Direct Analysis in Real Time) can ionize compounds in the gas, solid, or liquid phase without chromatography or sample …
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Methods Of Analysis For Fermentation Science Products Using Various Analytical Techniques
… products for consumption, has been around since the dawn of modern civilization. Historically, the fermentation process has been utilized for the production of alcoholic beverages. More recently, however, the production of bioethanol and biodiesel as a fuel source alternative to classical …
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Exploring recent innovations in ambient mass spectrometry to deliver a paradigm shift in food safety, security and authenticity
… and producers for millennia; the Roman Empire instituted some of the first legislation to protect against practices which could cause illness or death to its citizens. Governments in the years since have instituted a wide variety of safeguards to protect lives and to ensure socio-economic …
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Characterizing the impact of package type on different beer styles using advanced analytical tools
In 2020 there was over 9,000 breweries in the US, increasing the beer market competition and driving the importance of product stability under variable storage conditions. More breweries, specifically craft breweries, than ever before are choosing to package in cans due to ongoing effects of the …