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the claim
Isotopic abundance creates complex overlapping peak clusters in mass spectra
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
5 sources for · 0 against

Isotopic abundance patterns naturally span multiple mass-to-charge peaks that frequently overlap in mass spectra, driving the need for advanced deconvolution and peak-fitting algorithms.

Evidence for · 5
Statistical precision of the intensities retrieved from constrained fitting of overlapping peaks in high-resolution mass spectra
2015 · cited by 59
Discusses the need for constrained fitting of overlapping ion peaks in high-resolution mass spectra, which arises from complex isotopic and compositional mixtures.
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The analysis

The retrieved papers consistently confirm that isotopic distributions and natural abundances produce overlapping isotopic envelopes and peak clusters in mass spectra, necessitating specialized computational methods (deconvolution, curve fitting) to interpret the data correctly. There are no papers contradicting this fundamental analytical chemistry phenomenon.

More for · 4
Measurement of deamidation of intact proteins by isotopic envelope and mass defect with ion cyclotron resonance Fourier transform mass spectrometry
2006 · cited by 37
Notes that deamidated isotopic envelopes overlap directly with undeamidated isotopic envelopes, creating complex deconvolution challenges.
Isotopic Deconvolution of Matrix-Assisted Laser Desorption/Ionization Mass Spectra for Substance-Class Specific Analysis of Complex Samples
2001 · cited by 35
Mentions the general necessity of separating overlapping isotopic patterns in complex mass spectrometry samples.
Interpreting raw biological mass spectra using isotopic mass‐to‐charge ratio and envelope fingerprinting
2013 · cited by 33
Highlights that heavily overlapped isotopic envelopes (iEs) in biological mass spectra complicate data interpretation and require special deconvolution algorithms.
Multiplexed Data-Independent Acquisition-Based Proteomics Enabled by TMTpro Complementary Ions.
2025 · cited by 2
Proposes strategies specifically to reduce isotopic envelope overlap and simplify deconvolution in multiplexed mass spectrometry.
The paper trail · every fact has a biography
first checked04 Aug 2026
judged → SUPPORTED · 8604 Aug 2026
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