ranging from aqueously soluble metabolites to non-polar lipids and lipophilic components. The application of metabolomics can be hypothesis driven, through targeted (closed) methods quantifying a ...

In these semiconductors, that polarity can flip under an electric field—and stay that way even after the field is gone.

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School of Materials Science and Engineering, Nankai University, Tianjin 300350, P. R. China ...

Department of Physics, National Cheng Kung University, Tainan 701, Taiwan Center for Quantum Frontiers of Research & Technology (QFort), National Cheng Kung University, Tainan 701401 Taiwan ...