Table 1.

Particle and tetrad sizes

Construct	Particle size (nm)	Tetrad spacing (nm)
α1S	8.2±1.2	42.7±3.1
α1C	10.5±1.6
CSk3	10.2±1.8	42.9±3.7
SkLC	10.0±1.4
SkLCS46	7.9±1.2	44.6±3.6
SkLM	8.3±1.0	44.0±4.8
SkLMS45	8.7±1.2	42.8±4.2
CLM	10.0±1.6

Mean ± SD; number of measurements: particle size, n = 60; tetrad spacing, n = 48–50.