While the presence and significance of melanin have long been accepted, its exact chemical makeup remains unclear. Melanin has an inherent diversity of structure and complexity, making understanding ...

have tackled this problem head-on by designing a class of MOFs that incorporate structures called pillar[5]arene rings into a MOF framework (Fig. 1). Pillar[5]arenes are molecular rings that bind ...

A key element of this transformation is the visual cycle—a complex chain of chemical reactions ... DHA (docosahexaenoic acid) did not lead to significant changes in the structure of RBP3 ...

Division of Physical Biology, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China ...

Treatment options include topical creams (such as hydroquinone, tranexamic acid, and retinoids). Chemical peels and laser therapy are used for stubborn cases. Strict sun protection (daily sunblock ...