所有产品仅用作实验室科学研究，不为任何个人用途提供产品和服务。 β-Ala-Gly-Arg-PNA 是凝血酶（thrombin）的特异性显色底物。当凝血酶与其结合时，会水解精氨酸与 pNA 之间的酰胺键，释放游离的 pNA。游离 pNA 在 405 nm 处的吸光度变化与酶活性成正比，因此可 ...

三字母序列：Val - Ile - Leu - Ser - Leu - Asp - Val - Pro - Ile - Gly - Leu - Leu - Arg - Ile - Leu - Leu - Glu - Gln - Ala - Arg - Tyr - Lys - Ala - Ala - Arg - Asn - Gln - Ala - Ala - Thr - Asn - Ala - ...

Fans eagerly awaited tickets for Travis Scott's concert in India, but faced long virtual queues on BookMyShow, leading to social media jokes.

The American Library Association, its 8 divisions, 21 round tables, and offices host many conferences, meetings, forums, institutes, and other events. Use the filters to explore our many available ...

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From mud to the mat: The Kho Kho Federation is sparing no effort to put the sport on the map Premium Story It also marked the culmination of the behind-the-scene efforts by the Kho Kho Federation ...

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On March 15, the American Library Association (ALA) released a statement in response to the White House’s March 14 executive order calling for the elimination of the Institute of Museum and Library ...

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