What question did this study set out to answer?

To develop a high-sensitivity, dynamically tunable mid-infrared biosensor based on nanostructured graphene for label-free detection and chemical identification of protein monolayers.

July 9, 2015ScienceOpen Access

Mid-infrared plasmonic biosensing with graphene

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Implication

Experimental platform demonstrates tunable mid-infrared detection of protein monolayers using graphene plasmonics, suggesting advanced label-free biosensing capabilities.

Key Points

To develop a high-sensitivity, dynamically tunable mid-infrared biosensor based on nanostructured graphene for label-free detection and chemical identification of protein monolayers.
Fabricated nanostructured graphene capable of dynamic electro-optical tuning of plasmon resonances across mid-infrared vibrational frequencies.
Probed target protein monolayers label-free to measure spectral responses and extract their complex refractive index.
Achieved spatial light confinement up to two orders of magnitude higher than conventional metals, substantially increasing electromagnetic field overlap with nanometric biomolecules.
Demonstrated chemically specific, label-free identification of protein monolayers via dynamic spectral tuning across their characteristic vibrational fingerprints.

Cite This Study

A 2015 study studied this question.

synapsesocial.com/papers/6a7c910b273accedbda8ac86 https://doi.org/10.1126/science.aab2051

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Implication

Experimental platform demonstrates tunable mid-infrared detection of protein monolayers using graphene plasmonics, suggesting advanced label-free biosensing capabilities.

Mid-infrared plasmonic biosensing with graphene

Discussion

Member takes

Implication

Key Points

Cite This Study

Mid-infrared plasmonic biosensing with graphene

Discussion

Member takes

Implication

Key Points

Cite This Study

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