Evidence map›Paper›PMID 24850441›Full record

ReviewJournal of the American Society for Mass Spectrometry2014

Are clusters important in understanding the mechanisms in atmospheric pressure ionization? Part 1: Reagent ion generation and chemical control of ion populations.

Sonja Klee, Valerie Derpmann, Walter Wißdorf, Sebastian Klopotowski, Hendrik Kersten, Klaus J Brockmann, Thorsten Benter, Sascha Albrecht, Andries P Bruins, Faezeh Dousty and 5 more

Abstract readReview
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In one paragraph

Review in Journal of the American Society for Mass Spectrometry, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Ion-neutral Clustering of Bile Acids in Electrospray Ionization Across UPLC Flow Regimes.Journal of the American Society for Mass Spectrometry · 2018
    Article
  11. Method for Continuous Monitoring of Electrospray Ion Formation.Journal of the American Society for Mass Spectrometry · 2017
    Article
  12. Article
  13. Article
  14. A Functional Group Approach for Prediction of APPI Response of Organic Synthetic Targets.Journal of the American Society for Mass Spectrometry · 2015
    Article
  15. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors.

Sonja KleeInstitute for Pure and Applied Mass Spectrometry, Physical and Theoretical Chemistry, University of Wuppertal, 42119, Wuppertal, Germany, s.klee@uni-wuppertal.de.
Valerie Derpmann
Walter Wißdorf
Sebastian Klopotowski
Hendrik Kersten
Klaus J Brockmann
Thorsten Benter
Sascha Albrecht
Andries P Bruins
Faezeh Dousty
Tiina J Kauppila
Risto Kostiainen
Rob O'Brien
Damon B Robb
Jack A Syage

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

It is well documented since the early days of the development of atmospheric pressure ionization methods, which operate in the gas phase, that cluster ions are ubiquitous. This holds true for atmospheric pressure chemical ionization, as well as for more recent techniques, such as atmospheric pressure photoionization, direct analysis in real time, and many more. In fact, it is well established that cluster ions are the primary carriers of the net charge generated. Nevertheless, cluster ion chemistry has only been sporadically included in the numerous proposed ionization mechanisms leading to charged target analytes, which are often protonated molecules. This paper series, consisting of two parts, attempts to highlight the role of cluster ion chemistry with regard to the generation of analyte ions. In addition, the impact of the changing reaction matrix and the non-thermal collisions of ions en route from the atmospheric pressure ion source to the high vacuum analyzer region are discussed. This work addresses such issues as extent of protonation versus deuteration, the extent of analyte fragmentation, as well as highly variable ionization efficiencies, among others. In Part 1, the nature of the reagent ion generation is examined, as well as the extent of thermodynamic versus kinetic control of the resulting ion population entering the analyzer region.

Indexed as

Air IonizationAtmospheric PressureModels, ChemicalChemical PhenomenaIndicators and ReagentsLightPhotochemical ProcessesSpatio-Temporal AnalysisThermodynamicsIndicators and Reagents

Identifiers

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.