Nonlinear enhancement of spontaneous biophoton emission of sweet potato by silver nanoparticles

Marius Hossu; Lun Ma; Wei Chen

doi:10.1016/j.jphotobiol.2010.02.002

Nonlinear enhancement of spontaneous biophoton emission of sweet potato by silver nanoparticles

Marius Hossu, Lun Ma, Wei Chen^*

^*Corresponding author for this work

University of Texas at Arlington

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Ultraweak biophoton emission of cutting-injured sweet potato is enhanced by the incubation with Ag nanoparticles in a nonlinear way. The late peak of the emission after the cutting injury is amplified as much as 15 times, while only little amplification was identified for the emission measured immediately after the cutting. The effect requires the presence of nutritive media to support the active metabolic processes and is also affected by the timing of the addition of the Ag nanoparticles. Proposed mechanisms of reactive oxygen species generation and energy resonance transfer are discussed.

Original language	English
Pages (from-to)	44-48
Number of pages	5
Journal	Journal of Photochemistry and Photobiology B: Biology
Volume	99
Issue number	1
DOIs	https://doi.org/10.1016/j.jphotobiol.2010.02.002
Publication status	Published - Apr 2010
Externally published	Yes

Keywords

Biophoton
Nanoparticle
Silver
Sweet potato

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10.1016/j.jphotobiol.2010.02.002

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abstract = "Ultraweak biophoton emission of cutting-injured sweet potato is enhanced by the incubation with Ag nanoparticles in a nonlinear way. The late peak of the emission after the cutting injury is amplified as much as 15 times, while only little amplification was identified for the emission measured immediately after the cutting. The effect requires the presence of nutritive media to support the active metabolic processes and is also affected by the timing of the addition of the Ag nanoparticles. Proposed mechanisms of reactive oxygen species generation and energy resonance transfer are discussed.",

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AB - Ultraweak biophoton emission of cutting-injured sweet potato is enhanced by the incubation with Ag nanoparticles in a nonlinear way. The late peak of the emission after the cutting injury is amplified as much as 15 times, while only little amplification was identified for the emission measured immediately after the cutting. The effect requires the presence of nutritive media to support the active metabolic processes and is also affected by the timing of the addition of the Ag nanoparticles. Proposed mechanisms of reactive oxygen species generation and energy resonance transfer are discussed.

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KW - Nanoparticle

KW - Silver

KW - Sweet potato

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IS - 1

ER -

Nonlinear enhancement of spontaneous biophoton emission of sweet potato by silver nanoparticles

Abstract

Keywords

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