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Surface Template Realizing Oriented Perovskites for Highly Efficient Solar Cells.
Adv Mater
January 2025
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, 215123, China.
Formamidinium lead iodide (FAPbI) perovskite films, ensuring optically active phase purity with uniform crystal orientation, are ideal for photovoltaic applications. However, the optically active α-FAPbI phase is easy to degrade into δ-phase due to numerous defects within randomly oriented films. Here, a "quasi-2D" perovskite template is pre-deposited on the film surface within the crystallization process based on the two-step preparation technology, which directly induced pure and highly orientated crystallization of α-FAPbI across the downward growth process.
View Article and Find Full Text PDFEffects of light on biological functions and human sleep.
Handb Clin Neurol
January 2025
Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland; Research Cluster Molecular and Cognitive Neurosciences, University of Basel, Basel, Switzerland; Department of Biomedicine, University of Basel, Basel, Switzerland.
The nonvisual effects of light in humans are mainly conveyed by a subset of retinal ganglion cells that contain the pigment melanopsin which renders them intrinsically photosensitive (= intrinsically photosensitive retinal ganglion cells, ipRGCs). They have direct connections to the main circadian clock in the suprachiasmatic nuclei (SCN) of the hypothalamus and modulate a variety of physiological processes, pineal melatonin secretion, autonomic functions, cognitive processes such as attention, and behavior, including sleep and wakefulness. This is because efferent projections from the SCN reach other hypothalamic nuclei, the pineal gland, thalamus, basal forebrain, and the brainstem.
View Article and Find Full Text PDFImpact of Vitamin D on Skin Aging, and Age-Related Dermatological Conditions.
Front Biosci (Landmark Ed)
January 2025
Cardiometabolic and Endocrine Institute, North Brunswick, NJ 08902, USA.
Human skin is a physical and biochemical barrier that protects the internal body from the external environment. Throughout a person's life, the skin undergoes both intrinsic and extrinsic aging, leading to microscopic and macroscopic changes in its morphology. In addition, the repair processes slow with aging, making the older population more susceptible to skin diseases.
View Article and Find Full Text PDFAvoiding Chest Wall Morbidity in Outpatient Microvascular Free-Flap Breast Reconstruction.
J Clin Med
January 2025
My Houston Surgeons, 9230 Katy Freeway, Suite 600, Houston, TX 77055, USA.
Removal of the rib and adjacent cartilage is a common step for exposure of the recipient chest vessels in free-flap breast reconstructions. However, this adds both short- and long-term morbidity to the procedure. We describe our experience in avoiding rib removal in microvascular breast reconstruction.
View Article and Find Full Text PDFAutophagy-Enhancing Properties of Extracts in HaCaT Keratinocytes: Potential as an Anti-Photoaging Cosmetic Ingredient.
Molecules
January 2025
Graduate School of Biotechnology, Kyung Hee University, Yongin-si 17104, Republic of Korea.
The decline in autophagy disrupts homeostasis in skin cells, leading to oxidative stress, energy deficiency, and inflammation-all key contributors to skin photoaging. Consequently, activating autophagy has become a focal strategy for delaying skin photoaging. Natural plants are rich in functional molecules and widely used in the development of anti-photoaging cosmetics.
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