While the instrumentation has seen improvements in portability and sensitivity, the software for UV-VIS spectrometry is fueling the technology's growth.FAROOQ AHMED, CONTRIBUTING EDITORUltraviolet-visible (UV-VIS) spectroscopy has been a robust spectroscopic modality since at least the early 1940s. That’s when National Technical Laboratories (now Beckman Coulter) released its DU spectrophotometer — one of the first widely available, tabletop-size UV-VIS instruments. Although many scientists and engineers have preferred other spectroscopic methods as light source and detector technologies have advanced, the use of UV-VIS spectroscopy has not dwindled. 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