Yinsheng Guo

Abstract Engineered low-symmetry colloidal crystals are emerging as promising performance-enhancing alternatives to natural materials for optical devices. However, current synthesis methods cannot precisely control structural features such as the orientation of the optical axes in these crystals. Here, DNA-modified nanorods and nanopentabipyramids were used as programmable atom equivalents to synthesize low-symmetry colloidal crystals.

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Triclosan (TCS) as a broadly spectrum antimicrobial agent is widely applied in personal care products and health care products, which induces widespread environmental pollution and human exposure [1]. TCS was detected in 74.6% U.S. general population urine samples [2]. TCS has also been detected in human plasma and milk samples [3].