Protein identification by 3D OrbiSIMS to facilitate in situ imaging and depth profiling
Label-free protein characterization at surfaces requires digestion or matrix application prior to mass spectrometry. Here, the authors report the assignment of undigested proteins at surfaces by de novo sequencing and apply the methodology to a protein monolayer biochip and for in situ depth profili...
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| Autores principales: | , , , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Nature Portfolio
2020
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/a9b0c0983019431ea85e4e67217dcf3d |
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| Sumario: | Label-free protein characterization at surfaces requires digestion or matrix application prior to mass spectrometry. Here, the authors report the assignment of undigested proteins at surfaces by de novo sequencing and apply the methodology to a protein monolayer biochip and for in situ depth profiling of proteins through human skin. |
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