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Questions of scale The world of the infinitely small Defining nanos Detecting and measuring nanos - Nanometrology The main substances in nano form Nanos: between promises and realities Glossary
Applications Our product tests Nanos and agriculture Nano and food Nanos in the construction industry Nano and cosmetics Nanos and Covid-19 Nanotechnologies for water analysis and treatment Environmental applications of nanotechnology Nanomedicine: promises and risks Nanos and drugs Manufactured nanoplastics Nanos and dental care Nanos and textiles
Risks Nanos and risks: avoiding repeating past mistakes What are the health risks of nanos? What are the risks of nanos on the environment? Nanos and Occupational Health Specific risks according to chemical composition
Governance Dossier: What regulations exist for nanos? Risk assessment Nanotechnologies and ethics - Bibliography What role for civil society? What is the role of public authorities? And in concrete terms? Hot Topics! Our demands
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19 actualité(s) sur le site
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04/03/2021
Fewer toothpastes containing titanium dioxide
The association Agir Pour l’Environnement announced on Facebook that 7 new brands have recently committed to remove titanium dioxide from[...]
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04/03/2021
Titanium dioxide nanoparticles: exposure limits to avoid occupational cancers
With 17,000 tons produced or imported each year in France (according to industry declarations), titanium dioxide in nanoparticulate form is[...]
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11/05/2021
Will Switzerland also ban E171?
After France and the European Union, it is now Switzerland’s turn to announce the ban of E171. Carole Meylan, scientific[...]
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28/10/2021
(Nano)particles of titanium dioxide detected in Belgian masks
According to Sciensano, the Belgian health institute, (nano)particles of titanium dioxide have been detected, sometimes in very large quantities, in[...]
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22/12/2021
Kali magazine presses for titanium dioxide to be removed from drugs
On December 22, 2021, the new consumer magazine Kali was launched. The cover story of its January-February 2022 issue is[...]
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08/08/2022
Foodstuffs containing E171 on the European market: it’s over!
It’s official: as of today, foodstuffs containing E171 can no longer be placed on the European market. Those which had[...]
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27/09/2022
Nanoparticles and neurotoxicity: new insights but still too many grey areas
Three publications have particularly caught our attention this summer. Three publications have particularly caught our attention this summer. They all[...]
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23/11/2022
Industrials win (temporary) reversal of the classification of TiO₂ as a carcinogen
The European Union General Court invalidates the classification of titanium dioxide A new twist in the tug-of-war that has pitted[...]
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15/12/2022
AVICENN Tests: most products with unlabeled or even unauthorized nanos
AVICENN publishes today its investigation report “Searching for nanos in everyday products“. The association AVICENN publishes today its investigation report[...]
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22/02/2023
Pending appeals from France and the European Commission, the classification of TiO2 stays
Following appeals from France and the European Commission in February, the classification of titanium dioxide will remain in force until[...]
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25/04/2023
Only 300,000 tons of nanomaterials each year in France?
After more than two years delay, the two reports presenting the data collected in 2020 and 2021 via the r-nano[...]
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26/04/2023
Titanium dioxide: food and cosmetic products recalled in France
Between February and April 2023, at least three food products and five sunscreen products containing titanium dioxide were recalled on[...]
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18/07/2023
An increasing number of titanium dioxide-free toothpastes
In France, titanium dioxide (TiO2) has been removed from around 50 toothpastes in 2 years. While some brands are lagging[...]
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05/12/2023
Will Europe torpedo the mandatory [nano] food label?
The European Commission has just unveiled its proposal for a new definition of the term ‘manufactured nanomaterial’ in European food[...]
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04/04/2024
Increase in ‘made in France’ nanos: an artefact or a real trend?
The official report presenting the data collected on the r-nano portal in 2022 is finally online. In 2021, French nanos[...]
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17/07/2024
TiO2 in cosmetics: according to European experts, safety data are inconclusive
The highly detailed scientific opinion of the European Scientific Committee on Consumer Safety (SCCS) published at the end of May[...]
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23/07/2024
Consultation on improving information on nanos in France
The French Ministry of Ecological Transition has launched a consultation on the format and content of the r-nano report published[...]
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30/05/2025
Notice of the disappearance of E171 in the United States
The announcement went unnoticed in France, where the additive E171 has been banned since 2020. But it spread like wildfire[...]
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12/06/2025
E171 in pharmaceuticals: when will the European Commission end its silence?
The European Commission’s decision on whether or not to extend the authorization of titanium dioxide (E171) in medicinal products was[...]
23 fiche(s) sur le site
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Nanos and textiles
Nanos and textiles By the AVICENN team – Last updated April 2025 Why are there nanos in textiles? On the[...]
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The ban on TiO2 (E171) in food
Ban on TiO2 (E171) in food – chronology and state of play By the AVICENN team – Last added June[...]
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Towards the ban on titanium dioxide in cosmetics and medicines?
After the ban in foodstuff, will titanium dioxide be banned in cosmetics (except sunscreens) and medicines too? By AVICENN –[...]
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Nanos and drugs
Nanos and drugs By the AVICENN team – Last updated April 2025 Nanos in drugs: research and applications Reliable, up-to-date[...]
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Nanos and dental care
Nanos and dental care By the AVICENN team – Last updated March 2025 Nanomaterials found in dental products In the[...]
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Risks associated with titanium dioxide nanoparticles
Risks associated with titanium dioxide nanoparticles By the AVICENN team – Last modification in March 2025 Very strong presumptions of[...]
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Titanium dioxide (TiO2) nanoparticles
By the AVICENN team – Last modification March 2020 Titanium dioxide (TiO2) nanoparticles Why and how is TiO2 used? The[...]
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Labeling [nano]
Labeling [nano] By the AVICENN team – Last modification June 2022 Three categories of products supposed to be labeled “nano”[...]
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Regulating nanos in cosmetics
Regulating nanos in cosmetics By the AVICENN team – Last modification July 2024 Nanomaterials in cosmetics: definition and labeling obligation[...]
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Our product tests
Our product tests By the AVICENN team – Last modification February 2023 Context and objectives In the first half of[...]
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Revision of the definition of “nanomaterial” by the European Commission
Revision of the definition of the term “nanomaterial” by the European Commission (2014-2022) By the AVICENN team – Last modification[...]
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Physicochemical characteristics and toxicity of nanomaterials
“Physicochemical characteristics” and toxicity of nanomaterials By the AVICENN team – Last updated June 2022 At the nano scale, we[...]
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What recommendations for nanos in the workplace?
What are the recommendations for safeguarding occupational health when using nanos? By the AVICENN team – Last modification October 2023[...]
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Which nanoparticles in which cosmetic products?
The use of nanos in cosmetic products: state of play By the AVICENN team – Last updated December 2022 Virtually[...]
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European NGOs mobilized on nanos
By AVICENN team – Last modification February 2022 European NGOs mobilized on nanos Main NGOs mobilized on nanos at European[...]
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Entry points and fate of nanomaterials in the human body
Entry points and fate of nanomaterials in the human body By the AVICENN team – Last modification October 2024 Because[...]
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Nanos in food: review of the current situation
By the AVICENN team – Last modification September 2023 Presence of Nanos in food: what is the current situation? Nanos[...]
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Nanomaterials and cosmetics – Bibliography
Nanomaterials and cosmetics – Bibliography By AVICENN team – Latest addition July 2024 Search In French : In English: Public or[...]
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Nanomaterials and food – Bibliography
Nanomaterials and food – Bibliography Par l’équipe AVICENN – Dernier ajout septembre 2024 Search In French : In English: Public or[...]
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Nanos – role of French public authorities
Nanos – the role of public authorities in France, perspectives and shortcomings By the AVICENN team – Last modification May[...]
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Nanomaterials and occupational health – Bibliography
Nanomaterials and occupational health – Bibliography By the AVICENN team – Last added June 2025 Public / para-public organizations In[...]
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Risks associated with the ingestion of titanium dioxide nanoparticles
Risks associated with the ingestion of titanium dioxide nanoparticles By the AVICENN team – Last updated in June 2025 Titanium[...]
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E171 and pharmaceuticals – Bibliography
By AVICENN team – Latest addition June 2025 Public or para-public organizations In French In English Research (selection of synthetic[...]
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AVICENN’s work in the spotlight
In addition to our website and our own publications, we actively engage with journalists, researchers, consumers, and various organizations. Here[...]
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