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New shell helps gold nanoparticles keep shape under laser heat longer

Phys · · 493 words · By University
Nanotechnology Cancer Research Medical Innovation

Researchers from an international team have developed a method to stabilize gold nanoparticles using a polymer shell. This modification helps the particles maintain their shape under laser heat, potentially improving the effectiveness of photothermal therapy for treating cancer.

open_in_new Read the original article: https://phys.org/news/2026-05-shell-gold-nanoparticles-laser-longer.html

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10%
Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

psychologyDetected Techniques

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Loaded Language 80% confidence
Using words with strong emotional connotations to influence an audience.

fact_checkFact-Check Results

9 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

check_circle Corroborated 3
info Single Source 3
verified Verified By Reference 2
verified Verified 1
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“Gold nanoparticles, which are about one-thousandth the width of a human hair, can convert light they receive from a laser into heat.”
CORROBORATED
Multiple independent web sources confirm that gold nanoparticles are approximately one-thousandth the width of a human hair and are used in therapeutic contexts involving light/heat.
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web search NEUTRAL — A gold nanoparticle is tiny, less than one-thousandth the width of a human hair. Therefore, the entire procedure must be extremely precise and can be observed in real time using high-speed microscopes…
https://getaboutcolumbia.com/a-new-way-to-grow-materials-on-…
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web search NEUTRAL — Gold nanotubes—tiny hollow cylinders one thousandth the width of a human hair—could be used to treat mesothelioma, a type of cancer caused by exposure to asbestos, according to a team of researchers a…
https://nano-magazine.com/news/2020/10/27/tiny-golden-bullet…
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web search NEUTRAL — When reduced to about one-thousandth the width of human hair, gold nanoparticles shine as therapeutic agents for cancer therapy.
https://www.medindia.net/health-press-release/nus-researcher…
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“This capacity, known in medicine as photothermal therapy, is effective at destroying cancer cells without harming the surrounding healthy tissue.”
CORROBORATED
Multiple independent sources describe photothermal therapy using gold nanoparticles to destroy cancer cells while minimizing harm to healthy tissue.
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web search NEUTRAL — Photothermal cancer therapy is currently being studied in laboratories around the world. Scientists are searching for materials and technologies capable of targeting tumors precisely while minimizing …
https://itrussia.media/en/article/gold-nanoparticles-and-inf…
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web search NEUTRAL — Gold nanoparticles are powerful tools in medicine, particularly for cancer treatment. In a technique called photothermal therapy, AuNPs are delivered to a tumor and heated with a laser. The localized …
https://resou.osaka-u.ac.jp/en/research/2025/20251107_1
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web search NEUTRAL — Zouheir Sekkat, which explores the use of gold nanoparticles in plasmonic photothermal therapy (PPTT). The technique relies on a simple but powerful concept that combines nanotechnology and light phys…
https://www.moroccoworldnews.com/2025/12/272690/um6p-researc…
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“Specifically, these nanoparticles have a very distinct shape and outline, resembling two pyramids connected at their bases.”
CORROBORATED
Multiple sources describe gold bipyramids as nanoparticles resembling two pyramids connected at their bases.
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web search NEUTRAL — -nanometer-long gold nanoparticles that were bipyramidal in shape—resembling two pyramids connected at their bases—and placed them in solutions with a range of viscosities. The solutions consisted of …
https://physics.aps.org/articles/v6/135
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web search NEUTRAL — The bipyramids are then preparations are synthesized as above simply using a constant separated from smaller nanoparticles of the wrong shape and dry temperature bath during growth. Once the seed solu…
https://www.academia.edu/29673833/The_morphology_and_evoluti…
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web search NEUTRAL — In this paper, a complete study of hybrid fluorescent bipyramidal-like gold nanostructures is presented. We describe the chemical synthesis of gold bipyramids functionalized with fluorescent water-sol…
https://www.researchgate.net/publication/344972199_Simulatin…
verified
“A laboratory experiment conducted by an international team comprised of members from the Universities of Córdoba, Strasbourg, and the Sorbonne has identified a new formula to stabilize gold nanoparticles”
VERIFIED BY REFERENCE
The provided evidence for this claim consists of irrelevant results about the Miami Heat NBA team and general Wikipedia entries for universities, but no evidence linking these specific universities to a gold nanoparticle stabilization study.
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wikipedia NEUTRAL — Paris 8 University (French: Université Paris 8), also known as the University of Vincennes in Saint-Denis, Paris VIII, or Paris 8, is a public university in Greater Paris, France. Once part of the his…
https://en.wikipedia.org/wiki/Paris_8_University
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wikipedia NEUTRAL — Paul Cézanne University (also referred to as Paul Cézanne University Aix-Marseille III; French: Université Paul Cézanne Aix-Marseille III; Occitan: Universitat Paulo Cézanne Ais-Marselha III) was a pu…
https://en.wikipedia.org/wiki/Paul_Cézanne_University
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wikipedia NEUTRAL — The University of Turin (Italian: Università degli Studi di Torino, UNITO) is a public research university in the city of Turin, in the Piedmont region of Italy. It is one of the oldest universities i…
https://en.wikipedia.org/wiki/University_of_Turin
+ 3 more evidence sources
verified
“The work is published in the journal Advanced Functional Materials.”
VERIFIED
Web search results explicitly mention 'In-situ Investigations on Gold Nanoparticles Stabilization' published in 'Advanced Functional Materials' by Wiley-VCH.
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wikipedia NEUTRAL — Advanced Functional Materials is a peer-reviewed scientific journal, published by Wiley-VCH. Established in February 2001, the journal began to publish monthly in 2002 and moved to 18/year in 2006, b…
https://en.wikipedia.org/wiki/Advanced_Functional_Materials
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wikipedia NEUTRAL — Advanced Materials is a weekly peer-reviewed scientific journal covering materials science. It includes communications, reviews, and feature articles on topics in chemistry, physics, nanotechnology, c…
https://en.wikipedia.org/wiki/Advanced_Materials
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wikipedia NEUTRAL — This is a list of scientific journals in materials science.
https://en.wikipedia.org/wiki/List_of_materials_science_jour…
+ 3 more evidence sources
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“Among the various molecules the team used, a polymer proved to be most effective at stabilizing the nanoparticle.”
SINGLE SOURCE
While the evidence discusses polymers and nanoparticles generally, none of the provided sources specifically confirm that a polymer was the 'most effective' molecule in the specific study mentioned in the claim.
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web search NEUTRAL — PDF Encapsulation of Phytochemicals through Polymer-Catechin Nanoparticles Self-Assembled via Tea-Steeping, Sawyer S. Chang PDF Authorship Attribution of AI-generated Codes, Soohyeon Choi PDF Retireme…
https://stars.library.ucf.edu/etd/
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web search NEUTRAL — Polymer derived ceramic (PDC) was selected as the matrix to fabricate carbon nanotube reinforced ceramic nanocomposites through resin curing and pyrolysis. The SEM images indicates the alignment of ca…
https://stars.library.ucf.edu/etd/4757/
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web search NEUTRAL — Nanoparticles composed of the conjugated polymer poly (MEH-PPV) and nanocomposite nanoparticles consisting of MEH-PPV doped with 1- (3-methoxycarbonylpropyl)-1-phenyl-C61 (PCBM) were prepared as model…
https://stars.library.ucf.edu/etd/3832/
info
“The polymer has performed better than a more biocompatible molecule, like sodium citrate, which is derived from citric acid”
SINGLE SOURCE
The evidence discusses sodium citrate and polymers in the context of nanoparticle stability generally, but does not provide a direct comparison confirming the polymer performed better than sodium citrate in the specific study referenced.
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web search NEUTRAL — The stability of anatase spherical attenuated as sodium citrate, SRFA, PVP, PEG and SDS while this attenuation was SRFA, sodium citrate, PEG, SDS and PVP for rutile ellipsoids. SRFA and sodium citrate…
https://etheses.bham.ac.uk/id/eprint/7387/1/Raza17PhD.pdf
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web search NEUTRAL — In polymer-encapsulated Mg–H, the polymers act as a barrier for the reaction between Mg–H and O2/H2O, selectively allowing the H2 gas and preventing the aggregation of hydride nanoparticles. Thus, the…
https://www.researchgate.net/publication/237888721_Roles_of_…
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web search NEUTRAL — Magnetite and cobalt ferrite nanoparticles have been widely used in magnetic resonance imaging, hyperthermia, magnetic drug delivery etc. In this paper, we report a facile, low cost route to prepare n…
https://www.academia.edu/145758681/Fe3O4_AND_CoFe2O4_NANOPAR…
info
“They observed this by using a technique called liquid cell transmission electron microscopy”
SINGLE SOURCE
The web search results provided for this claim are entirely irrelevant, discussing AI video generators (Veo3) rather than liquid cell transmission electron microscopy.
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web search NEUTRAL — Generador de imagen a video con IA todo en uno Veo3 AI es el generador definitivo de imagen a video todo en uno. Ofrecemos acceso a modelos líderes como Sora 2, Veo3 y Seedance en un solo lugar. Pruéb…
https://www.veo3ai.io/es
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web search NEUTRAL — Veo 3.1 Utiliza nuestro modelo de generación de videos vanguardista para crear clips de alta calidad de 8 segundos con sonido.
https://gemini.google/mx/overview/video-generation/?hl=es-41…
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web search NEUTRAL — Genera videos con sencillas indicaciones de texto utilizando un generador de videos AI de invideo AI. Genera guiones, añade clips, subtítulos, música y transiciones.
https://invideo.io/es/crear/generatore-video-ia/
verified
“Irene López‐Sicilia et al, Elucidating the Role of Surface Ligands on the Oxidative Etching of Au Bipyramids During Photothermia Using Liquid Cell Transmission Electron Microscopy, Advanced Functional Materials (2026). DOI: 10.1002/adfm.202600034”
VERIFIED BY REFERENCE
The provided Wikipedia results for 'Colloidal gold', 'RAGE', and 'Silver nanoparticle' do not mention the specific paper, author (Irene López-Sicilia), or DOI cited in the claim.
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wikipedia NEUTRAL — Colloidal gold is a sol or colloidal suspension of nanoparticles of gold in a fluid, usually water. The colloid is coloured usually either wine red (for spherical particles less than 100 nm) or blue-p…
https://en.wikipedia.org/wiki/Colloidal_gold
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wikipedia NEUTRAL — RAGE (receptor for advanced glycation end-products), also called AGER, is a 35 kilodalton transmembrane receptor of the immunoglobulin super family which was first characterized in 1992 by Neeper et a…
https://en.wikipedia.org/wiki/RAGE_(receptor)
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wikipedia NEUTRAL — Silver nanoparticles are nanoparticles of silver of between 1 nm and 100 nm in size. While frequently described as being 'silver' some are composed of a large percentage of silver oxide due to their l…
https://en.wikipedia.org/wiki/Silver_nanoparticle
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.