CRISPR–Cas is a bacterial defense system against phage infection and nucleic acid invasion. Class 2 type II CRISPR–Cas9 has also been widely used for genome engineering. Here, we review novel insights ...

Article 725 provides the requirements for Class 2 circuits in Part III. The definitions for Class 2 circuits can be found in Art. 100. In the November 2020 issue, we discussed the general requirements ...

A new type of device provides designers of automated installations for North America with performance, cost, and safety benefits. Industrial machinery and equipment system designs typically rely on ...