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In mass spectrometry, direct analysis in real time (DART) is an ion source that produces electronically or vibronically excited-state species from gases such as helium, argon, or nitrogen that ionize atmospheric molecules or dopant molecules. The ions generated from atmospheric or dopant molecules undergo ion-molecule reactions with the sample molecules to produce analyte ions. Analytes with low ionization energy may be ionized directly. The DART ionization process can produce positive or negative ions depending on the potential applied to the exit electrode.

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  • Direct Analysis in Real Time (de)
  • Direct analysis in real time (en)
  • Analisi diretta in tempo reale (it)
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  • In spettrometria di massa l'analisi diretta in tempo reale è una tecnica di ionizzazione diretta. Questa tecnica produce poca frammentazione, è una tecnica di ionizzazione soft. Comunemente si indica con DART, dalla lingua inglese Direct analysis in real time. (it)
  • Direct Analysis in Real Time (DART) ist eine Technik zur Erzeugung von Ionen unter Atmosphärendruck aus festen, flüssigen und gasförmigen Stoffen. Entwickelt wurde diese analytische Methode 2005 durch J. Laramée und R. Cody und wird von JEOL und IonSense vermarktet und vertrieben. Diese Ionisationstechnik war eine der ersten, die keine zusätzliche Probenvorbereitung benötigt, sondern die direkte Analytik von festen, flüssigen und gasförmigen Materialien in unveränderter Form erlaubt. So kann die Ionisierung direkt auf Oberflächen wie z. B. Tabletten oder Körperflüssigkeiten (Blut, Speichel oder Urin), Glas, Blätter oder Kleidung stattfinden. Die Ionisation ist dabei eine Kombination aus thermaler Desorption und der Penning-Ionisation. Eingesetzt wird diese Technik unter anderem in der Parf (de)
  • In mass spectrometry, direct analysis in real time (DART) is an ion source that produces electronically or vibronically excited-state species from gases such as helium, argon, or nitrogen that ionize atmospheric molecules or dopant molecules. The ions generated from atmospheric or dopant molecules undergo ion-molecule reactions with the sample molecules to produce analyte ions. Analytes with low ionization energy may be ionized directly. The DART ionization process can produce positive or negative ions depending on the potential applied to the exit electrode. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/DART_ion_source_capsule.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/DART-transmission_mode.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/DART_source_red_ink_spectrum.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Schematic_diagram_of_a_DART_ion_source.png
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  • Direct Analysis in Real Time (DART) ist eine Technik zur Erzeugung von Ionen unter Atmosphärendruck aus festen, flüssigen und gasförmigen Stoffen. Entwickelt wurde diese analytische Methode 2005 durch J. Laramée und R. Cody und wird von JEOL und IonSense vermarktet und vertrieben. Diese Ionisationstechnik war eine der ersten, die keine zusätzliche Probenvorbereitung benötigt, sondern die direkte Analytik von festen, flüssigen und gasförmigen Materialien in unveränderter Form erlaubt. So kann die Ionisierung direkt auf Oberflächen wie z. B. Tabletten oder Körperflüssigkeiten (Blut, Speichel oder Urin), Glas, Blätter oder Kleidung stattfinden. Die Ionisation ist dabei eine Kombination aus thermaler Desorption und der Penning-Ionisation. Eingesetzt wird diese Technik unter anderem in der Parfüm-Industrie sowie in der Pharmazeutischen Industrie oder Forensik. (de)
  • In mass spectrometry, direct analysis in real time (DART) is an ion source that produces electronically or vibronically excited-state species from gases such as helium, argon, or nitrogen that ionize atmospheric molecules or dopant molecules. The ions generated from atmospheric or dopant molecules undergo ion-molecule reactions with the sample molecules to produce analyte ions. Analytes with low ionization energy may be ionized directly. The DART ionization process can produce positive or negative ions depending on the potential applied to the exit electrode. This ionization can occur for species desorbed directly from surfaces such as bank notes, tablets, bodily fluids (blood, saliva and urine), polymers, glass, plant leaves, fruits & vegetables, clothing, and living organisms. DART is applied for rapid analysis of a wide variety of samples at atmospheric pressure and in the open laboratory environment. It does not need a specific sample preparation, so it can be used for the analysis of solid, liquid and gaseous samples in their native state. With the aid of DART, exact mass measurements can be done rapidly with high-resolution mass spectrometers. DART mass spectrometry has been used in pharmaceutical applications, forensic studies, quality control, and environmental studies. (en)
  • In spettrometria di massa l'analisi diretta in tempo reale è una tecnica di ionizzazione diretta. Questa tecnica produce poca frammentazione, è una tecnica di ionizzazione soft. Comunemente si indica con DART, dalla lingua inglese Direct analysis in real time. (it)
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