NORTHBROOK, Ill., May 27, 2025 /PRNewswire/ -- Stepan Company (NYSE: SCL ) today announced that its subsidiary, Stepan Philippines Quaternaries, Inc. (SPQI), has entered into an agreement to sell SPQI ...

Surfactants have always been used for the preparation of nanoparticles to maintain the stability of nanocolloids, which greatly affect the efficiency of SERS sensing due to the space blocking between ...