FIG. 1.
A comparison of cryodevices used in this study, including CS, QC, and the 5 mL cryovial. The diameter of QC is 200 μm with a thin wall of 10 μm. Scale bar: 15 mm. CS, conventional straw; QC, quartz capillary. Color images available online at www.liebertpub.com/tec