Readers should cite both the Bio-protocol preprint and the original research article where this protocol was used:

Shafiee, H(2021). Characterization techniques and analyses. Bio-protocol Preprint. bio-protocol.org/prep945.
Draz, M. S., Vasan, A., Muthupandian, A., Kanakasabapathy, M. K., Thirumalaraju, P., Sreeram, A., Krishnakumar, S., Yogesh, V., Lin, W., Yu, X. G., Chung, R. T. and Shafiee, H.(2020). Virus detection using nanoparticles and deep neural network–enabled smartphone system. Science Advances 6(51). DOI: 10.1126/sciadv.abd5354