| Title: |
Advanced Polymer Characterization: Modular Operations for Spectral Alignment by Iterative Compression (MOSAIC) |
| Authors: |
Hanlin M. Wang; Benjamin A. Suslick; David J. Lundberg; Jacob J. Lessard; Zhenchuang Xu; Mary A. Choy; Jeremiah A. Johnson; Jeffrey S. Moore |
| Publication Year: |
2025 |
| Collection: |
The University of Auckland: Figshare |
| Subject Terms: |
Biochemistry; Genetics; Marine Biology; Virology; Space Science; Chemical Sciences not elsewhere classified; visually apparent clusters; systematic analytical approach; general cipher algorithm; five copolymers formed; enabling intuitive assignment; derived mass contributions; assisted laser desorption; advanced polymer characterization; applies modular arithmetic; nonconstitutional repeating units; mass spectral features; introduce modular operations; cluster maldi peaks; modular operations; spectral alignment; base units; yet decrypting; spectra requires; revealing end; iterative compression; group distributions; filter monomer; copolymer ensembles; comonomer incorporation |
| Description: |
Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry encodes structural information across diverse homo- and copolymer ensembles, yet decrypting these spectra requires a systematic analytical approach. We introduce Modular Operations for Spectral Alignment by Iterative Compression (MOSAIC)a general cipher algorithm that applies modular arithmetic to filter monomer-derived mass contributions and cluster MALDI peaks by nonconstitutional repeating units (non-CRUs). MOSAIC performs sequential modular operations using monomer mass differences as base units to compress complex spectral data, revealing end-group distributions and comonomer incorporation. As a demonstration, we applied MOSAIC to five copolymers formed by two different polymerization mechanisms. The resulting remainder–mass plots clearly resolve polymer homologs with distinct non-CRUs into visually apparent clusters, enabling intuitive assignment of mass spectral features. |
| Document Type: |
article in journal/newspaper |
| Language: |
unknown |
| Relation: |
https://figshare.com/articles/journal_contribution/Advanced_Polymer_Characterization_Modular_Operations_for_Spectral_Alignment_by_Iterative_Compression_MOSAIC_/29598698 |
| DOI: |
10.1021/acsmacrolett.5c00385.s001 |
| Availability: |
https://doi.org/10.1021/acsmacrolett.5c00385.s001; https://figshare.com/articles/journal_contribution/Advanced_Polymer_Characterization_Modular_Operations_for_Spectral_Alignment_by_Iterative_Compression_MOSAIC_/29598698 |
| Rights: |
CC BY-NC 4.0 |
| Accession Number: |
edsbas.E3EEA60D |
| Database: |
BASE |