Cited by 124Plasmonic and Surface Plasmon ResearchGold and Silver Nanoparticles Synthesis and ApplicationsMetamaterials and Metasurfaces Applications

Infrared Metasurface Augmented by Deep Learning for Monitoring Dynamics between All Major Classes of Biomolecules

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John‐Herpin, Aurelian, Kavungal, Deepthy, von Mücke, Lea, Altug, Hatice·2021·Advanced Materials

Abstract

Insights into the fascinating molecular world of biological processes are crucial for understanding diseases, developing diagnostics, and effective therapeutics. These processes are complex as they involve interactions between four major classes of biomolecules, i.e., proteins, nucleic acids, carbohydrates, and lipids, which makes it important to be able to discriminate between all these different biomolecular species. In this work, a deep learning‐augmented, chemically‐specific nanoplasmonic technique that enables such a feat in a label‐free manner to not disrupt native processes is presented. The method uses a highly sensitive multiresonant plasmonic metasurface in a microfluidic device, which enhances infrared absorption across a broadband mid‐IR spectrum and in water, despite its strongly overlapping absorption bands. The real‐time format of the optofluidic method enables the collection of a vast amount of spectrotemporal data, which allows the construction of a deep neural network to discriminate accurately between all major classes of biomolecules. The capabilities of the new method are demonstrated by monitoring of a multistep bioassay containing sucrose‐ and nucleotides‐loaded liposomes interacting with a small, lipid membrane‐perforating peptide. It is envisioned that the presented technology will impact the fields of biology, bioanalytics, and pharmacology from fundamental research and disease diagnostics to drug development.

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Crossref · 10.1002/adma.202006054

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  • Dimensionality reduction of spectral data using machine learning algorithms is an invaluable aid to VOC sensors.

    “Therefore, dimensionality reduction of spectral data using ML algorithms is an invaluable aid to VOC sensors.”
  • AI algorithms can facilitate the analysis and processing of data by VOC sensors in a prompt, direct, and automated manner.

    “AI algorithms can facilitate the analysis and processing of data by VOC sensors in a prompt, direct, and automated manner (John-Herpin et al. 2021; Kuhner et al. 2019).”
  • A deep learning method using multi-resonant plasmonic nanoantennas augments dynamics monitoring between four major classes of biomolecule from absorption spectra at three working wavelengths of 3.4 μm, 6.5 μm, and 9 μm.

    “Leveraging the multi-resonant PNAs, the deep learning method is proposed to augment the dynamics monitoring between four major classes of biomolecule (lipids, proteins, nucleic acids, and carbohydrates) from the absorption spectra in three working wavelengths of 3.4 μm, 6.5 μm, and 9 μm50.”
  • In PNA-based SEIRAS, the great challenge is the limited bandwidth of nanoantenna resonances compared with the ultra-broadband vibrational absorption fingerprints.

    “In PNA-based surface-enhanced IR absorption spectroscopy (SEIRAS), the great challenge is the limited bandwidth of nanoantenna resonances compared with the ultra-broadband vibrational absorption fingerprints.”
  • Previous works show many solutions using multiple resonances of nanoantenna structures to capture plasmonic enhanced molecular fingerprints in separate wavelength ranges for sensing different molecule species.

    “Previous works show many solutions using multiple resonances of nanoantenna structures to capture the plasmonic enhanced molecular fingerprints in separate wavelength ranges for sensing different molecule species22,39,41,50,54–56.”

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1 of the 60 references couldn’t be matched to a known paper.

Research works printed but not linked: 12

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Authors
John‐Herpin, A., Kavungal, D., von Mücke, L., & Altug, H.
Affiliations
  • École Polytechnique Fédérale de Lausanne (CH)
  • Institute of Bioengineering École Polytechnique Fédérale de Lausanne (EPFL) Lausanne 1015 Switzerland
Corresponding author
Altug, Hatice
Venue
Advanced Materials
Publisher
Wiley
Published
2021-02-22
Volume
33
Issue
14
Pages
e2006054-e2006054
ISSN
  • 0935-9648 (ISSN-L)
  • 1521-4095
OpenAlex
W3132124173
Cited by
124
References
60
Citations by year
2026: 12 · 2025: 26 · 2024: 26 · 2023: 20 · 2022: 25 · 2021: 15
FWCI
6.53
Type
journal article
Language
en
Open access
Locations
  • Advanced Materials (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Funders
European Research Council (682167)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Metamaterials and Metasurfaces Applications
Keywords
infrared metasurfaces, nanoplasmonics, deep learning, label-free biosensing, optofluidics, microfluidics, mid-infrared spectroscopy, liposomes, nucleotides, sucrose, drug development
MeSH terms
Deep Learning, Biological Assay, Infrared Rays, Liposomes, Nucleic Acids, Nucleotides, Proteins, Spectrophotometry, Infrared, Sucrose, Lab-On-A-Chip Devices

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