Cell culture instruments, namely, a photometer, spectrophotometer, fluorimeter, turbidimeter, reflectometer, luminometer for laboratory use; chemistry apparatus and instruments, namely, a photometer, spectrophotometer, fluorimeter, turbidimeter, reflectometer, luminometer for use in the fields of life science research, biomedical research, environmental contaminants monitoring, food testing and diagnostic applications.; sensors, namely, photometric measurement sensors using DNA and other biol...