Definition of chromophore - an atom or group whose presence is responsible for the colour of a compound. Definition of chromophore - an atom or group whose presence is responsible for the colour of a compound.
El Sereno, Los Angeles. El Sereno is a Los Angeles City neighborhood in the Eastside Los Angeles region of the County of Los Angeles, California. El Sereno as mapped by the Los Angeles Times. Cal State Los Angeles is in the lower right corner.
Covering 11.019 square miles, El Centro is the largest city in Imperial County. We are located 616 miles southwest of San Francisco. 117 miles east of San Diego and 245 miles west of Phoenix AZ. and just 15 minutes from the international industrial complexes in Mexicali, Baja California.