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Peter Mundel joined Goldfinch Bio after serving as a Consultant to Third Rock Ventures, where he played a leading role in the creation and launch of Goldfinch Bio. Peter brings more than 25 years of experience as a leader in academic research, most recently at Massachusetts General Hospital and Harvard Medical School. A major focus of Peter's work has been the development of precision therapeutics for patients with kidney diseases through a mechanistic understanding of the cell biology and pathology of the kidney, with a focus on podocytes. A pioneer of molecularly targeted treatment for proteinuric kidney disease, Peter has published more than 140 peer-reviewed manuscripts and has given numerous invited lectures nationally and internationally. He is a member of the American Society for Clinical Investigation.

An important part in a biosensor is to attach the biological elements (small molecules/protein/cells) to the surface of the sensor (be it metal, polymer or glass). The simplest way is to functionalize the surface in order to coat it with the biological elements. This can be done by polylysine, aminosilane, epoxysilane or nitrocellulose in the case of silicon chips/silica glass. Subsequently, the bound biological agent may be for example fixed by Layer by layer depositation of alternatively charged polymer coatings. [25]
Alternatively three-dimensional lattices ( hydrogel / xerogel ) can be used to chemically or physically entrap these (where by chemically entraped it is meant that the biological element is kept in place by a strong bond, while physically they are kept in place being unable to pass through the pores of the gel matrix). The most commonly used hydrogel is sol-gel , a glassy silica generated by polymerization of silicate monomers (added as tetra alkyl orthosilicates, such as TMOS or TEOS ) in the presence of the biological elements (along with other stabilizing polymers, such as PEG ) in the case of physical entrapment. [26]
Another group of hydrogels, which set under conditions suitable for cells or protein, are acrylate hydrogel, which polymerize upon radical initiation . One type of radical initiator is a peroxide radical, typically generated by combining a persulfate with TEMED ( Polyacrylamide gel are also commonly used for protein electrophoresis ), [27] alternatively light can be used in combination with a photoinitiator, such as DMPA ( 2,2-dimethoxy-2-phenylacetophenone ). [28] Smart materials that mimic the biological components of a sensor can also be classified as biosensors using only the active or catalytic site or analogous configurations of a biomolecule. [29]

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