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Fig. 3 | Reproductive Biology and Endocrinology

Fig. 3

From: Cryopreservation of single-sperm: where are we today?

Fig. 3

(a) (Adapted from Schuster et al. [29]) Cryoloops can be magnetically attached to a metal wand for easier manipulation. (b) (Adapted from Sereni et al. [34]) Microdrop in a plastic dish. (c) (Adapted from Endo et al. [35]) Cell Sleeper vial (i) is equipped with an inner tray (ii) and a screw cap (iii). (d) (Adapted from Endo et al. [35]) Cryotop comprises a fine polypropylene strip (i), plastic handle (ii), and cover straw (iii). (e) (Adapted from Peng et al. [39]) A cryoleaf bound to a handle by cotton thread is placed to a protective casing containing cotton wool at the bottom. (f) (Adapted from Sun et al. [40]) Droplets and polypropylene piece of cryopiece system. (g) (Adapted from Ma et al. [41]) The closed slice frozen carrier comprised self-made non-toxic polypropylene flakes and conventional sperm cryovials. (h) (Adapted from Berkovitz et al. [43]) The sperm vitrification device

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