Let’s talk about biomedical research kits

Scientists often use experimental kits that come with prepackaged enzymes, buffers and substrates for biomedical research. Credit: Hugh Threlfall/Alamy Since my postdoctoral years at Louisiana State University in Baton Rouge more than three decades ago, I have witnessed a profound change in how biomedical research is conducted. This change has made research much more productive, has strengthened experimental protocols and has helped to ensure that findings are replicable. But it has also led to a huge increase in costs and, for some scientists, perhaps a loss of fundamental understanding about experimentation. The age of the biomedical research kit is upon us. Kits used for biomedical research are commercially produced, pre-packaged experimental systems designed to perform a specific assay or measurement with minimal preparation by the user. A typical kit arrives as a small box containing pre-measured reagents — often enzymes, buffers and substrates — aliquoted into tubes or plates, alongside a concise protocol. The assays are designed to be straightforward, reducing the amount of preparation and optimization performed by the user. In minutes to hours, most protocols yield a numerical signal, such as a measurement of absorbance, fluorescence or luminescence. This output is then interpreted as a representation of a biological phenomenon of interest. Experimental kits span a wide price and complexity spectrum. Simple assays might cost up to a few hundred US dollars. …