"LOQ" stands for limit of quantification, which is a term often used in scientific studies to refer to the lowest concentration of a substance that can be reliably measured. Synonyms for "LOQ" include limit of detection, detection limit, lower limit of quantification, and minimum detectable concentration. These terms are commonly used interchangeably in research papers and scientific literature, referring to the same concept of a threshold below which a particular method of measurement would not be able to accurately detect the presence of the substance being studied. Understanding the definition and synonyms of "LOQ" is important for accurately interpreting scientific data and experimental results.