Optimized MALDI-TOF MS Strategy for Characterizing Polymers Article Swipe
Zhenxin Wang
,
Quanqing Zhang
,
Huali Shen
,
Pengyuan Yang
,
Xinwen Zhou
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3389/fchem.2021.698297
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3389/fchem.2021.698297
In recent years, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) plays an essential role in the analysis of polymers. To acquire a more reliable strategy for polymer profiling, we characterized four representative polymers including polyethylene glycol 6000, polyvinylpyrrolidone K12, polymer polyol KPOP-5040, and polyether polyol DL-4000. The preparation methods of these four polymer samples have been optimized from six aspects, including matrix, cationization reagent, solvent, mixing ratio of cationization reagent to polymer, mixing ratio of matrix to polymer, and laser intensity. After investigating the effects of seven commonly used matrices on the ionization efficiency of four polymers, trans -2-[3-(4-tert-butylphenyl)-2-methyl-2-propenylidene] malononitrile (DCTB) was found to be the only matrix suitable for the analysis of all the four polymers. Our experimental results suggested that different polymers showed a certain preference for different cationization reagents. For example, the polymer polyol KPOP-5040 was suitable for sodium iodide as the cationization reagent, while polyvinylpyrrolidone K12 was more suitable for silver trifluoroacetate (AgTFA). For the choice of solvent, tetrahydrofuran is a reagent with rapid evaporation and a wide range of dissolution which can achieve the best results for the analysis of four polymers. The optimized method was successfully applied to the identification of DSPE-PEG-NH 2 with different polymerized degrees. This MALDI-TOF strategy potentially provided the supplementary function through the polymer’s application in biomedical and visible probing.
Related Topics
Concepts
Polymer
Reagent
Chemistry
Matrix-assisted laser desorption/ionization
Polymer chemistry
Chemical engineering
Desorption
Organic chemistry
Engineering
Adsorption
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3389/fchem.2021.698297
- https://www.frontiersin.org/articles/10.3389/fchem.2021.698297/pdf
- OA Status
- gold
- Cited By
- 26
- References
- 34
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3173351534
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3173351534Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3389/fchem.2021.698297Digital Object Identifier
- Title
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Optimized MALDI-TOF MS Strategy for Characterizing PolymersWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
-
2021-06-24Full publication date if available
- Authors
-
Zhenxin Wang, Quanqing Zhang, Huali Shen, Pengyuan Yang, Xinwen ZhouList of authors in order
- Landing page
-
https://doi.org/10.3389/fchem.2021.698297Publisher landing page
- PDF URL
-
https://www.frontiersin.org/articles/10.3389/fchem.2021.698297/pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
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https://www.frontiersin.org/articles/10.3389/fchem.2021.698297/pdfDirect OA link when available
- Concepts
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Polymer, Reagent, Chemistry, Matrix-assisted laser desorption/ionization, Polymer chemistry, Chemical engineering, Desorption, Organic chemistry, Engineering, AdsorptionTop concepts (fields/topics) attached by OpenAlex
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26Total citation count in OpenAlex
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2025: 8, 2024: 4, 2023: 9, 2022: 5Per-year citation counts (last 5 years)
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34Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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