Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

The cells with brownish-yellow particles in their nuclei and/or cytoplasm were ... and then introduced into a psiCHECK-2.0 vector. HL-1 cell line was cultured in 24-well plates and transfected with ...