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Related Experiment Video

Updated: Jan 19, 2026

Photoreceptors and Plant Responses to Light
02:00

Photoreceptors and Plant Responses to Light

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Biological Kerker Effect Boosts Light Collection Efficiency in Plants.

Hani Barhom, Andrey A Machnev, Roman E Noskov

  • 1Research Institute of Influenza , Ministry of Healthcare of the Russian Federation , Prof. Popova str. 15/17 , St. Petersburg 197376 , Russia.

Nano Letters
|September 10, 2019
PubMed
Summary
This summary is machine-generated.

Alpine plants use calcium carbonate nanoparticles to enhance light collection for photosynthesis. These vaterite nanospherulites exhibit directional light scattering via the Kerker effect, improving efficiency.

Keywords:
Biophotonicsautofluorescencecalciteplant photonicspolycrystalline biomineral spherulitevaterite

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Related Experiment Videos

Last Updated: Jan 19, 2026

Photoreceptors and Plant Responses to Light
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Photoreceptors and Plant Responses to Light

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Genetic Manipulation of the Plant Pathogen Ustilago maydis to Study Fungal Biology and Plant Microbe Interactions
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Light Sheet Fluorescence Microscopy of Plant Roots Growing on the Surface of a Gel
06:41

Light Sheet Fluorescence Microscopy of Plant Roots Growing on the Surface of a Gel

Published on: January 18, 2017

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Area of Science:

  • Biomaterials Science
  • Optics
  • Plant Biology

Background:

  • Vaterite and calcite, polymorphs of calcium carbonate (CaCO3), are recognized for their potential in drug delivery and tissue engineering.
  • These minerals are crucial biogenic components in nature, often forming self-assembled polycrystal micro- and nanoparticles (spherulites).
  • Alpine plants, specifically the Saxifraga genus, have been observed to produce CaCO3 nanoparticles on leaf margins.

Purpose of the Study:

  • To investigate how Saxifraga plants utilize CaCO3 polycrystal nanoparticles for improved light collection efficiency.
  • To elucidate the optical properties of synthesized vaterite nanospherulites and the underlying physical mechanisms.
  • To explore the application of the Kerker effect in bioinspired light-harvesting strategies.

Main Methods:

  • Artificial synthesis of vaterite nanospherulites.
  • Dark-field spectroscopy measurements to analyze optical properties.
  • Comprehensive numerical analysis to model particle microstructure and light scattering.
  • Ex vivo studies of leaf microstructure and optical properties of Saxifraga plants.

Main Results:

  • Demonstration of directional light scattering from synthesized vaterite nanospherulites.
  • Observation of the generalized Kerker condition, where higher-order multipoles interfere constructively in the forward direction.
  • Highly directive forward light scattering from vaterite nanospherulites across the visible spectrum.
  • Confirmation of the Kerker effect's importance in alpine Saxifraga species for light collection.

Conclusions:

  • Saxifraga plants employ CaCO3 nanoparticles to tailor light scattering channels and enhance light collection efficiency.
  • The observed phenomenon is governed by the Kerker effect, enabling constructive interference of multipoles for forward scattering.
  • This research offers a bioinspired strategy for designing efficient light-harvesting systems using self-assembled CaCO3 nanoparticles.