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A Nanobionic Light-Emitting Plant.

Seon-Yeong Kwak¹, Juan Pablo Giraldo^1,2, Min Hao Wong¹

¹Department of Chemical Engineering, Massachusetts Institute of Technology , 77 Massachusetts Aveue, Cambridge, Massachusetts United States.

|November 18, 2017

Summary

This summary is machine-generated.

Researchers engineered living plants to emit light using nanoparticles, creating sustainable illumination. This plant nanobionic approach achieves long-lasting luminosity and controllable light emission, advancing self-powered photonics.

Keywords:

Plant nanobionics chemiluminescence light-emitting plant nanoparticles pressurized bath infusion of nanoparticles (PBIN)

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Area of Science:

Plant nanobionics
Bioluminescence engineering
Sustainable photonics

Background:

Living plants offer self-sustaining energy and repair for illumination.
Previous methods faced limitations like luciferin toxicity and poor colocalization.

Purpose of the Study:

To develop a plant nanobionic approach for enhanced luminosity and lifetime.
To enable controllable light emission and near-infrared signaling in plants.

Main Methods:

Utilized four chemically interacting nanoparticles: SNP-Luc, PLGA-LH2, CS-CoA, and semiconductor nanocrystals.
Developed an in vitro kinetic model for nanoparticle release to optimize chemiluminescent lifetimes.
Introduced Pressurized Bath Infusion of Nanoparticles (PBIN) and a nanofluidic model for plant delivery and localization.

Main Results:

Achieved chemiluminescent lifetimes exceeding 21.5 hours in vitro.
Demonstrated mature watercress plants emitting >1.44 × 10^12 photons/sec.
Enabled "off" and "on" light modulation and shifted emission to 760 nm using CdSe nanocrystals for near-infrared signaling.

Conclusions:

The plant nanobionic approach significantly enhances luminosity and lifetime.
Nanoparticle design controls tissue localization for efficient light emission.
Developed nanobionic plants are viable self-powered photonics and sustainable light sources.