If the power source is a listed Class 2 transformer or listed Class 2 power supply — or it’s in listed equipment marked to identify the Class 2 power source — you’ve got a Class 2 circuit between the ...

The strength of the genetic association between specific MHC class II alleles and an individual's susceptibility to particular chronic inflammatory diseases renders these alleles the main known risk ...

Understanding the function of dendritic cells (DCs) forms the basis of the characterization of professional antigen-presenting cells (APCs). DCs recognize and respond to danger-associated and pathogen ...

We first see the Zone system in Art. 505, which provides this alternative system for Class I locations (the combustibles are gases). The Zones are 0, 1, and 2. But if the combustibles are dust or ...

Over the past few years, electric bikes have skyrocketed in popularity (conscious decision not to use the word exploded there), with some estimates saying that ebike sales in the US grew tenfold over ...