Table 1.

Tissue clearing methods used on heart tissue—abbreviations and names

	Method name	Full name of the method	Citation
Solvent based	BABB	Benzyl-Alcohol:Benzyl-Benzoate	Zucker et al., (1998)
	FluorClear BABB	Fluorophore preservation Clearing Benzyl-Alcohol:Benzyl-Benzoate	Schwarz et al. (2015); Foster et al. (2019)
	DBE	Phenylmethoxymethylbenzene (Dibenzyl Ether)	Becker et al., (2012)
	3DISCO	Three-Dimensional Imaging of Solvent-Cleared Organs	Molbay et al., (2021)
	iDISCO	Immunolabeling-enabled three-Dimensional Imaging of Solvent-Cleared Organs	Renier et al., (2016)
	Ethanol-Eci	Ethanol-ethyl-3-phenylprop-2-enoate (Ethyl Cinnamate [ECi])	Klingberg et al. (2017)
	FASTClear	Free of Acrylamide SDS-based Tissue Clearing	Liu et al., (2017)
Simple immersion	FRUIT	Fructose and Urea	Hou et al., (2015)
	MACS	MXDA-based Aqueous Clearing System	Zhu et al. (2020)
	SeeDB	See Deep Brain	Ke et al. (2013); Murray et al. (2015)
	Sucrose	Sucrose	Tsai et al., (2009)
Hyperhydratation	CUBIC	Clear, Unobstructed Brain Imaging Cocktails and computational analysis	Susaki et al. (2014); Susaki et al., (2015)
	SCALE S	SCALE—name, not abbreviation	Hama et al. (2015)
	SCALE A2	SCALE—name, not abbreviation	Hama et al. (2015)
	SUT	Scheme Update on tissue Transparency	Wang et al. (2018); Matryba et al. (2019)
Hydrogel embedding	ACT-PRESTO	Active Clarity Technique-Pressure Related Efficient and Stable Transfer of macromolecules into Organs technique	Lee et al. (2016)
	Clarity	Clear Lipid-exchanged Acrylamide-hybridized Rigid Imaging/Immunostaining/in situ-hybridization-compatible Tissue hYdrogel	Chung et al. (2013); Tomer et al. (2014)
	SCM	Simplified Clarity Method	Sung et al. (2016); Matryba et al. (2019)
	PACT	PAssive Clarity Technique	Yang et al., (2014); Neckel et al., (2016)
	PARS	Perfusion-assisted Agent Release in Situ	Yang et al., (2014)
	SWITCH	System-Wide control of Interaction Time and kinetics of Chemicals	Murray et al. (2015)