دورية أكاديمية
A Microscale Planar Linear Ion Trap Mass Spectrometer.
| العنوان: | A Microscale Planar Linear Ion Trap Mass Spectrometer. |
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| المؤلفون: | Decker TK; Brigham Young University, Provo, UT, USA., Zheng Y; Brigham Young University, Provo, UT, USA., Ruben AJ; Brigham Young University, Provo, UT, USA., Wang X; Brigham Young University, Provo, UT, USA., Lammert SA; Brigham Young University, Provo, UT, USA., Austin DE; Brigham Young University, Provo, UT, USA., Hawkins AR; Brigham Young University, Provo, UT, USA. hawkins@ee.byu.edu. |
| المصدر: | Journal of the American Society for Mass Spectrometry [J Am Soc Mass Spectrom] 2019 Mar; Vol. 30 (3), pp. 482-488. Date of Electronic Publication: 2018 Dec 12. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: ACS Publications Country of Publication: United States NLM ID: 9010412 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1123 (Electronic) Linking ISSN: 10440305 NLM ISO Abbreviation: J Am Soc Mass Spectrom Subsets: PubMed not MEDLINE |
| أسماء مطبوعة: | Publication: 2020- : Washington, DC : ACS Publications Original Publication: New York, NY : Elsevier, c1990- |
| مستخلص: | The planar linear ion trap (PLIT) is a version of the two-dimensional linear quadrupole ion trap constructed using two facing dielectric substrates on which electrodes are lithographically patterned. In this article, we present a PLIT that was successfully miniaturized from a radius of 2.5 mm to a microscale radius of 800 μm (a scaling factor of 3.125). The mathematics concerning scaling an ion trap mass spectrometer are demonstrated-including the tradeoff between RF power and pseudopotential well depth. The time average power for the microscale PLIT is, at best, ~ 1/100 that of the PLIT but at a cost of potential well depth of ~ 1/10 the original. Experimental data using toluene/deuterated toluene and isobutylbenze to verify trap performance demonstrated resolutions around 1.5 Da at a pressure of 5.4 × 10 -3 Torr. The microscale PLIT was shown to retain resolutions between 2.3 and 2.7 Da at pressures up to 42 × 10 -3 Torr while consuming a factor of 3.38 less time average power than the unscaled PLIT. Graphical Abstract. |
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| معلومات مُعتمدة: | 1404886 National Science Foundation |
| فهرسة مساهمة: | Keywords: Instrumentation; Ion trap miniaturization; Ion traps; Mass spectrometry |
| تواريخ الأحداث: | Date Created: 20181214 Date Completed: 20190315 Latest Revision: 20200225 |
| رمز التحديث: | 20221213 |
| DOI: | 10.1007/s13361-018-2104-x |
| PMID: | 30542974 |
| قاعدة البيانات: | MEDLINE |
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Full Text Finder | تدمد: | 1879-1123 |
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| DOI: | 10.1007/s13361-018-2104-x |