Results 131 to 140 of about 17,078 (277)

Krim Ekstrak Panax Ginseng Menghambat Peningkatan Ekspresi MMP-1 Dan Penurunan Jumlah Kolagen Pada Tikus Wistar Jantan (Rattus Norvegicus) Yang Dipajan Sinar UV-B [PDF]

open access: yes, 2017
: Ultraviolet B (UV-B) is a source of free radicals that accelerates aging process, especially in the skin. Repeated exposures to UV-B rays activate enzymes that degrade collagen and inhibit collagen production by inducing the expression of MMP-1.
Liliana, N. (Nize)   +2 more
core  

Regulatory Mechanisms of Natural Active Ingredients and Compounds on Keratinocytes and Fibroblasts in Mitigating Skin Photoaging

open access: yesClinical, Cosmetic and Investigational Dermatology
Xinru Hu,* Meng Chen,* Jahanzeb Nawaz, Xi Duan Department of Dermatovenereology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People’s Republic of China*These authors contributed equally to this workCorrespondence:
Hu X, Chen M, Nawaz J, Duan X
doaj  

Caenorhabditis elegans as a Model to Study Aging and Photoaging

open access: yesBiomolecules
Caenorhabditis elegans (C. elegans) has emerged as an outstanding model organism for investigating the aging process due to its shortened lifespan, well-defined genome, and accessibility of potent genetic tools.
Saowanee Jeayeng   +2 more
doaj   +1 more source

Monitoring photoaging by use of multiphoton fluorescence and second harmonic generation microscopy [PDF]

open access: green, 2006
Sung‐Jan Lin   +10 more
openalex   +1 more source

Effect of Photoaging on the Structure, Optical Properties and Roughness of One-Shade Composite Restoratives

open access: yesJournal of Functional Biomaterials
The aim of the study was to evaluate changes in the degree of C=C conversion (DC%), chemical structure, optical properties and roughness of one-shade composites before/after photoaging.
Aikaterini Petropoulou   +4 more
doaj   +1 more source

Sunbed Use Induces the Photoaging-Associated Mitochondrial Common Deletion [PDF]

open access: bronze, 2007
Verena Reimann   +8 more
openalex   +1 more source

Recent Developments in Using Microneedle Patch Technology as a More Efficient Drug Delivery System for Treating Skin Photoaging

open access: yesClinical, Cosmetic and Investigational Dermatology
Xiong Lv, Chun Xiang, Yan Zheng, Wan-Xuan Zhou, Xu-Ling Lv Department of Plastic Surgery, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s Hospital, Quzhou, Zhejiang, People’s Republic of ChinaCorrespondence: Xiong Lv, Email ...
Lv X, Xiang C, Zheng Y, Zhou WX, Lv XL
doaj  

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