The Agilent 8453E UV-Visible spectroscopy system is the most economical way to control the Agilent 8453 spectrophotometer. It includes a handheld controller and a Agilent 8453, allowing complete palmtop control of your spectroscopic measurements. A series of predefined methods for the determination of total protein content using the Agilent 8453E system is available for download. Instructions to transfer the methods to the target system and a detailed description of all methods provided is part of the package.