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Jade material in vitro and in vivo : A study on the anti-inflammatory and repair efficacy of jade material on the skin / Xiaohong Shu in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 45, N° 2 (03-04/2023)
[article]
inINTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 45, N° 2 (03-04/2023) . - p. 177-186
Titre : Jade material in vitro and in vivo : A study on the anti-inflammatory and repair efficacy of jade material on the skin Type de document : document électronique Auteurs : Xiaohong Shu, Auteur ; Ling Wang, Auteur ; Ruina Qu, Auteur ; Li Li, Auteur ; Xi Wang, Auteur Année de publication : 2023 Article en page(s) : p. 177-186 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Anti-inflammatoires
Dermo-cosmétologie
Jade et constituants
Peau -- Inflammation
Peau -- Physiologie
Peau -- Soins et hygiène
Tests de sécuritéIndex. décimale : 668.5 Parfums et cosmétiques Résumé : - Objective : The biological safety of natural jade materials and assembled jade-activated materials on cells and their anti-inflammatory and damage repair functions, as well as the repair function on sensitive skin, were studied utilizing in vitro cell biology and in vivo.
- Methods : Human skin fibroblasts were used as model cells to conduct cytotoxicity experiments in vitro, and the effects on the expression of inflammatory factors and growth factor-related genes in fibroblasts were explored. The gene expression values of inflammatory factors IL-1, IL-6, TNF-α and cytokines epidermal growth factors, fibroblast growth factors and COL1A1 in fibroblasts were measured by polymerase chain reaction test. Thirty women with sensitive skin were selected to apply a mask containing jade extract three times a week. After two weeks, non-invasive measures related to skin sensitivity were tested.
- Results : We confirmed the presence of anti-inflammatory effects in both jade materials, with the effects of the assembled activated jade material being superior to that of the natural jade material. Jade extracts significantly increased the gene expressions of EGF, FGF and COL1A1 in HDF. The results of the in vivo study showed that the mask containing jade extract could significantly increase the skin hydration and decrease the rate of transepidermal water loss and skin lactic acid sting test scores after two weeks of use. Subjective evaluations confirmed improvements in skin dryness, smoothness and fineness. No new sensitization occurred in subjects, and the product was non-irritating. No adverse skin reactions were observed during the test.
- Conclusions : The jade materials were able to downregulate the expression of inflammatory factor genes, up-regulate the expression of growth factor genes, and improve the anti-inflammation and repair ability of skin. Furthermore, the test results of participants with sensitive skin after using the mask containing jade extract showed that the mask has repairing ability.Note de contenu : - MATERIALS AND METHODS : In vitro experiments - Effects of jade materials on gene expression of inflammatory cytokines and growth factors in HDF - Statistical analysis - In vivo experiment
- RESULTS : In vitro experimental results and discussion - Anti-inflammatory effects of jade materials - Reparative effects of jade materials on skin wounds - In vivo experimental results
- DISCUSSION : In vitro experimental discussion
- Table 1 : Primer sequences for qPCR
- Table 2 : Lactic acid sting test scores of the skin at different time pointsDOI : https://doi.org/10.1111/ics.12829 En ligne : https://drive.google.com/file/d/1KvuNE6Cejjs0x77KaXASVgHYHgPNIs55/view?usp=share [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39168 [article]Exemplaires
Code-barres Cote Support Localisation Section Disponibilité aucun exemplaire Superhydrophilic multifunctional antifogging coatings based on triethoxysilyl-terminated poly(N-vinylpyrrolidone) / Fangfei Meng in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 6 (11/2023)
[article]
inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 6 (11/2023) . - p. 2091-2099
Titre : Superhydrophilic multifunctional antifogging coatings based on triethoxysilyl-terminated poly(N-vinylpyrrolidone) Type de document : texte imprimé Auteurs : Fangfei Meng, Auteur ; Wenjin Wang, Auteur ; Yijia Yu, Auteur ; Wenjuan Xia, Auteur ; Ling Wang, Auteur ; Zhaoqiang Wu, Auteur ; Hong Chen, Auteur Année de publication : 2023 Article en page(s) : p. 2091-2099 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésion
Auto-nettoyage
Caractérisation
Enrobage (technologie)
Essais d'adhésion
Hydrophilie
Polymères -- Synthèse
Polyvinylpyrrolidone
Revêtements anti-buée
Revêtements organiques
Surfaces fonctionnelles
Transparence (optique)Index. décimale : 667.9 Revêtements et enduits Résumé : A simple and convenient strategy for fabricating superhydrophilic multifunctional antifogging coatings was developed by hydrolyzing triethoxysilyl-terminated poly(N-vinylpyrrolidone) (TRES-PVP) with tetraethyl orthosilicate (TEOS) under acidic conditions. These antifogging coatings can be easily obtained by coating TRES-PVP hydrolysates on substrates at room temperature and then curing by thermal treatment. The superhydrophilic transparent coatings exhibited excellent antifogging, self-cleaning and antifouling properties. Additionally, the coatings also have good adhesion against the cross-cut test and remain stable after exposure to the laboratory environment for five months or immersion in water at room temperature for 20 days. Therefore, the present TRES-PVP hydrolysate coatings are promising for practical multifunctional antifogging applications. Note de contenu : - EXPERIMENTAL : Materials - Instruments and characterization - Preparation of the small molecular initiator (APTES-Br) - Preparation of TRES-PVP polymer - Preparation of multifunctional antifogging coatings - Adhesion tests - Antifogging property of the coating - Stability assessment - Self-cleaning tests - Antifouling property of the coating
- RESULTS AND DISCUSSION : Synthesis of TRES-PVP polymers -
Preparation and characterization of the TRES-PVP coating - Antifogging properties - Adhesive properties of TRES-PVP coatings - Stability of the TRES-PVP coating - Self-cleaning property - Antifouling propertyDOI : https://doi.org/10.1007/s11998-023-00805-3 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-023-00805-3.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40184 [article]Réservation
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