Accurate mass measurements of some glucuronide derivatives by electrospray low resolution quadrupole mass spectrometry

Risto Kostiainen, Jari Tuominen, Leena Luukkanen, Jyrki Taskinen, B. Green

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)

Abstract

The measurement of exact masses using negative‐ion quadrupole low resolution electrospray mass spectrometry (ESMS) is demonstrated with p‐nitrophenol, entacapone, mitecapone and 1‐hydroxypyrene glucuronides. The results are compared with those obtained by high resolution fast‐atom bombardment mass spectrometry (FAB‐MS). The errors with ESMS between measured and calculated values ranged from −1.7 to 3.1 ppm (−0.8 to 1.2 milli‐mass units (mmu). The standard deviations of the measurements were between ±1.1 and 4.8 ppm (±0.5 and 2.3 mmu). The errors with high resolution FAB‐MS were between −2.5 and 3.2 ppm (−1.1 and 1.0 mmu). These results show that accurate mass measurements using low resolution quadrupole ESMS are comparable to those achievable in practice using high resolution instruments. A precondition for a successful measurement with low resolution mass spectrometry is that the sample ion be completely separated from background ions, since even very small levels of unresolved ions can interfere with the accuracy of mass analysis.

Original languageEnglish
Pages (from-to)283 - 285
Number of pages3
JournalRapid Communications in Mass Spectrometry
Volume11
Issue number3
DOIs
Publication statusPublished - 1997
MoE publication typeA1 Journal article-refereed

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Glucuronides
Mass spectrometry
Derivatives
Ions

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Kostiainen, Risto ; Tuominen, Jari ; Luukkanen, Leena ; Taskinen, Jyrki ; Green, B. / Accurate mass measurements of some glucuronide derivatives by electrospray low resolution quadrupole mass spectrometry. In: Rapid Communications in Mass Spectrometry. 1997 ; Vol. 11, No. 3. pp. 283 - 285.
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abstract = "The measurement of exact masses using negative‐ion quadrupole low resolution electrospray mass spectrometry (ESMS) is demonstrated with p‐nitrophenol, entacapone, mitecapone and 1‐hydroxypyrene glucuronides. The results are compared with those obtained by high resolution fast‐atom bombardment mass spectrometry (FAB‐MS). The errors with ESMS between measured and calculated values ranged from −1.7 to 3.1 ppm (−0.8 to 1.2 milli‐mass units (mmu). The standard deviations of the measurements were between ±1.1 and 4.8 ppm (±0.5 and 2.3 mmu). The errors with high resolution FAB‐MS were between −2.5 and 3.2 ppm (−1.1 and 1.0 mmu). These results show that accurate mass measurements using low resolution quadrupole ESMS are comparable to those achievable in practice using high resolution instruments. A precondition for a successful measurement with low resolution mass spectrometry is that the sample ion be completely separated from background ions, since even very small levels of unresolved ions can interfere with the accuracy of mass analysis.",
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Accurate mass measurements of some glucuronide derivatives by electrospray low resolution quadrupole mass spectrometry. / Kostiainen, Risto; Tuominen, Jari; Luukkanen, Leena; Taskinen, Jyrki; Green, B.

In: Rapid Communications in Mass Spectrometry, Vol. 11, No. 3, 1997, p. 283 - 285.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Accurate mass measurements of some glucuronide derivatives by electrospray low resolution quadrupole mass spectrometry

AU - Kostiainen, Risto

AU - Tuominen, Jari

AU - Luukkanen, Leena

AU - Taskinen, Jyrki

AU - Green, B.

PY - 1997

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N2 - The measurement of exact masses using negative‐ion quadrupole low resolution electrospray mass spectrometry (ESMS) is demonstrated with p‐nitrophenol, entacapone, mitecapone and 1‐hydroxypyrene glucuronides. The results are compared with those obtained by high resolution fast‐atom bombardment mass spectrometry (FAB‐MS). The errors with ESMS between measured and calculated values ranged from −1.7 to 3.1 ppm (−0.8 to 1.2 milli‐mass units (mmu). The standard deviations of the measurements were between ±1.1 and 4.8 ppm (±0.5 and 2.3 mmu). The errors with high resolution FAB‐MS were between −2.5 and 3.2 ppm (−1.1 and 1.0 mmu). These results show that accurate mass measurements using low resolution quadrupole ESMS are comparable to those achievable in practice using high resolution instruments. A precondition for a successful measurement with low resolution mass spectrometry is that the sample ion be completely separated from background ions, since even very small levels of unresolved ions can interfere with the accuracy of mass analysis.

AB - The measurement of exact masses using negative‐ion quadrupole low resolution electrospray mass spectrometry (ESMS) is demonstrated with p‐nitrophenol, entacapone, mitecapone and 1‐hydroxypyrene glucuronides. The results are compared with those obtained by high resolution fast‐atom bombardment mass spectrometry (FAB‐MS). The errors with ESMS between measured and calculated values ranged from −1.7 to 3.1 ppm (−0.8 to 1.2 milli‐mass units (mmu). The standard deviations of the measurements were between ±1.1 and 4.8 ppm (±0.5 and 2.3 mmu). The errors with high resolution FAB‐MS were between −2.5 and 3.2 ppm (−1.1 and 1.0 mmu). These results show that accurate mass measurements using low resolution quadrupole ESMS are comparable to those achievable in practice using high resolution instruments. A precondition for a successful measurement with low resolution mass spectrometry is that the sample ion be completely separated from background ions, since even very small levels of unresolved ions can interfere with the accuracy of mass analysis.

U2 - 10.1002/(SICI)1097-0231(19970215)11:3<283::AID-RCM792>3.0.CO;2-M

DO - 10.1002/(SICI)1097-0231(19970215)11:3<283::AID-RCM792>3.0.CO;2-M

M3 - Article

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JO - Rapid Communications in Mass Spectrometry

JF - Rapid Communications in Mass Spectrometry

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