Research papers using FG beads were published.

1)K. Akiyoshi et al., Journal of Magnetism and Magnetic Materials 500 (2020) 166356
Wash-free detection of biological target using cluster formation of magnetic markers

2)K. Todoroki et al., Journal of Pharmaceutical and Biomedical Analysis 179 (2020) 112991
Bioanalytical methods for therapeutic monoclonal antibodies and antibody–drug conjugates: A review of recent advances and future perspectives