Improved Method of Study on the Photothermal Effect of Plasmonic Nanoparticles by Dynamic IR Thermography

Chernov, G. Ya.; Ibarra-Valdez, J. L.; Carrillo-Torres, R. C.; Medrano-Pesqueira, None Teresita C.; Chernov, V.; Barboza-Flores, M.

doi:10.1007/s11468-018-0877-1

Cited by 4 publications

(1 citation statement)

References 24 publications

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“…Although much more costly, the ambiguities related to the positioning of the thermocouple can be neglected. Although the TGC was used before, 46 the related ambiguity is however associated with the way the T max is determined, the highest versus averaged values, or the area of averaging temperature over the heated volume may significantly affect the ultimate η Q calculations. This equivocality originates from the presence of temperature gradients (as shown in Figure 2).…”

Section: Resultsmentioning

confidence: 99%

Standardization of Methodology of Light-to-Heat Conversion Efficiency Determination for Colloidal Nanoheaters

Paściak

Pilch-Wróbel

Marciniak

et al. 2021

ACS Appl. Mater. Interfaces

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Localized photothermal therapy (PTT) has been demonstrated to be a promising method of combating cancer, that additionally synergistically enhances other treatment modalities such as photodynamic therapy or chemotherapy. PTT exploits nanoparticles (called nanoheaters), that upon proper biofunctionalization may target cancerous tissues, and under light stimulation may convert the energy of photons to heat, leading to local overheating and treatment of cancerous cells. Despite extensive work, there is, however, no agreement on how to accurately and quantitatively compare light-to-heat conversion efficiency (η Q ) and rank the nanoheating performances of various groups of nanomaterials. This disagreement is highly problematic because the obtained η Q values, measured with various methods, differ significantly for similar nanomaterials. In this work, we experimentally review existing optical setups, methods, and physical models used to evaluate η Q . In order to draw a binding conclusion, we cross-check and critically evaluate the same Au@SiO 2 sample in various experimental conditions. This critical study let us additionally compare and understand the influence of the other experimental factors, such as stirring, data recording and analysis, and assumptions on the effective mass of the system, in order to determine η Q in a most straightforward and reproducible way. Our goal is therefore to contribute to the understanding, standardization, and reliable evaluation of η Q measurements, aiming to accurately rank various nanoheater platforms.

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Section: Resultsmentioning

confidence: 99%

Standardization of Methodology of Light-to-Heat Conversion Efficiency Determination for Colloidal Nanoheaters

Paściak

Pilch-Wróbel

Marciniak

et al. 2021

ACS Appl. Mater. Interfaces

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Thermoplasmonics with Gold Nanoparticles: A New Weapon in Modern Optics and Biomedicine

Guglielmelli

Pierini

Tabiryan

et al. 2021

Advanced Photonics Research

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Thermoplasmonics deals with the generation and manipulation of nanoscale heating associated with noble metallic nanoparticles. To this end, gold nanoparticles (AuNPs) are unique nanomaterials with the intrinsic capability to generate a nanoscale confined light‐triggered thermal effect. This phenomenon is produced under the excitation of a suitable light of a wavelength that matches the localized surface plasmonic resonance frequency of AuNPs. Liquid crystals (LCs) and hydrogels are temperature‐sensitive materials that can detect the host AuNPs and their photo‐induced temperature variations. In this perspective, new insight into thermoplasmonics, by describing a series of methodologies for monitoring, detecting, and exploiting the photothermal properties of AuNPs, is offered. From conventional infrared thermography to highly sophisticated temperature‐sensitive materials such as LCs and hydrogels, a new scenario in thermoplasmonic‐based, next generation, photonic components is presented and discussed. Moreover, a new road in thermoplasmonic‐driven biomedical applications, by describing compelling and innovative health technologies such as on‐demand drug‐release and smart face masks with smart nano‐assisted destruction of pathogens, is proposed. The latter represents a new weapon in the fight against COVID‐19.

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Evaluation of Plasmonic Optical Heating by Thermal Lens Spectroscopy

de Pedrosa,

Boudebs,

de Araujo

2023

Plasmonics

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Improved Method of Study on the Photothermal Effect of Plasmonic Nanoparticles by Dynamic IR Thermography

Cited by 4 publications

References 24 publications

Standardization of Methodology of Light-to-Heat Conversion Efficiency Determination for Colloidal Nanoheaters

Standardization of Methodology of Light-to-Heat Conversion Efficiency Determination for Colloidal Nanoheaters

Thermoplasmonics with Gold Nanoparticles: A New Weapon in Modern Optics and Biomedicine

Evaluation of Plasmonic Optical Heating by Thermal Lens Spectroscopy

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