The paper Optical tweezers study of red blood cell aggregation and disaggregation in plasma and protein solutions written by Maria D. Khokhlova, Evgeny V. Lyubin, Andrey A. Fedyanin in collaboration with Kisung Lee, Matti Kinnunen, Alexander V. Priezzhev and Igor Meglinski has just been published online in The Journal of Biomedical Optics.