Mechanical Unfolding and Folding of a Slipknot Protein Observed by using Optical Tweezers Wang, Han ; He, Chengzhi ; Hu, Chunguang ; Li, Hongbin Abstract Publication: Biophysical Journal Pub Date: February 2018 DOI: 10.1016/j.bpj.2017.11.3157 Bibcode: 2018BpJ...114..577W