RAD16-I hydrochloride is a self-assembling peptide with nanofibrous morphology that provides an optimal microenvironment for the proliferation and differentiation of human mesenchymal stem cells (hMSC) into chondrocytes. This peptide, known as RAD16-I, has been extensively studied and serves as a model to assess the amyloid-like staining properties of self-assembling peptide nanofibers (SAPNFs).