Most cell signals are chemical in nature. For example ... In multicellular organisms, growth factors, hormones, neurotransmitters, and extracellular matrix components are some of the many types ...

That’s right: plant cells are raging with them, just like an angsty pre-teen. Hormones are chemical signals that regulate growth and metabolism and make you want to say stuff like ...

Chemical engineering is a branch of engineering ... are ideal materials as nanofiltration membranes for pharmaceuticals, hormones, antibiotics, and pesticide separation. This Review covers the ...