Some metal elements,especially trace elements,have obvious nutritional and physiological functions on the human body,which can promote the growth and development of the body,regulate the function of the body and maint...Some metal elements,especially trace elements,have obvious nutritional and physiological functions on the human body,which can promote the growth and development of the body,regulate the function of the body and maintain the metabolism of the human body.Compared with the elements in the form of inorganic salts,metal chelating peptides are more easily absorbed by the human body.Metal chelating peptides efficiently provide various trace elements necessary for life activities,have antioxidant,antibacterial and other biological activities,and have broad application prospects in food,medicine,cosmetics and other fields.In this paper,the methods of preparation,separation and purification of metal chelating peptides from animals and plants were reviewed,the structure-activity relationship and antioxidant activity of metal chelating peptides were analyzed,and the development prospect of metal chelating peptides was prospected.展开更多
The Ising spin–orbit coupling could give rise to the spin-triplet Cooper pairs and equal-spin Andreev reflection(AR)in Ising superconductors.Here we theoretically study the valley-dependent equal-spin AR in a ferroma...The Ising spin–orbit coupling could give rise to the spin-triplet Cooper pairs and equal-spin Andreev reflection(AR)in Ising superconductors.Here we theoretically study the valley-dependent equal-spin AR in a ferromagnet/Ising superconductor junction with a circularly polarized light applied to the ferromagnet.Because of the spin-triplet Cooper pairs and the optical irradiation,eight kinds of AR processes appear in the junction,including equal-spin AR and normal AR,the strengths and properties of which strongly depend on the valley degree of freedom.The AR probabilities for the incident electron from the two valleys exhibit certain symmetry with respect to the magnetization angle and the effective energy of light.The equal-spin AR and normal AR present different features and resonant behaviors near the superconducting gap edges.Due to equal-spin-triplet Cooper pairs,not only charge supercurrent but also spin supercurrent can transport in the Ising superconductors.The differential spin conductance for electron injecting from the two valleys can be controlled by the circularly polarized light.展开更多
基金support provided by the National Natural Science Foundation of China(No.31900861).
文摘Some metal elements,especially trace elements,have obvious nutritional and physiological functions on the human body,which can promote the growth and development of the body,regulate the function of the body and maintain the metabolism of the human body.Compared with the elements in the form of inorganic salts,metal chelating peptides are more easily absorbed by the human body.Metal chelating peptides efficiently provide various trace elements necessary for life activities,have antioxidant,antibacterial and other biological activities,and have broad application prospects in food,medicine,cosmetics and other fields.In this paper,the methods of preparation,separation and purification of metal chelating peptides from animals and plants were reviewed,the structure-activity relationship and antioxidant activity of metal chelating peptides were analyzed,and the development prospect of metal chelating peptides was prospected.
基金Project supported by the National Natural Science Foundation of China(Grant Nos.11974153,12374034 and 11921005)the Innovation Program for Quantum Science and Technology(Grant No.2021ZD0302403)the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB28000000)。
文摘The Ising spin–orbit coupling could give rise to the spin-triplet Cooper pairs and equal-spin Andreev reflection(AR)in Ising superconductors.Here we theoretically study the valley-dependent equal-spin AR in a ferromagnet/Ising superconductor junction with a circularly polarized light applied to the ferromagnet.Because of the spin-triplet Cooper pairs and the optical irradiation,eight kinds of AR processes appear in the junction,including equal-spin AR and normal AR,the strengths and properties of which strongly depend on the valley degree of freedom.The AR probabilities for the incident electron from the two valleys exhibit certain symmetry with respect to the magnetization angle and the effective energy of light.The equal-spin AR and normal AR present different features and resonant behaviors near the superconducting gap edges.Due to equal-spin-triplet Cooper pairs,not only charge supercurrent but also spin supercurrent can transport in the Ising superconductors.The differential spin conductance for electron injecting from the two valleys can be controlled by the circularly polarized light.
