Table 1 Overview of the included compounds with respectively the applied solvent and the four concentrations.

PenG (µM)^54,55,56

H₂O (2%)

5

50

500

5000

VPA (mM)^{55,56,57,58,59,60,61,62}

H₂O (0.01%)

0.04

0.2

1

5

ATRA (nM)^{55,56,59,62,63,64}

DMSO (0.01%)

0.2

2

20

200

MTX (µM)^56,62,65,66

DMSO (0.12%)

0.1

1

10

100

TSA (nM)^60,61

DMSO (0.01%)

0.1

1

10

100

BIX (nM)^37,57

H₂O (0.4%)

0.01

0.1

1

10

DZNep (µM)^67,68

H₂O (0.4%)

0.01

0.1

1

10

Ethanol (mM)^51,69

Already a solution

0.1

1

10

100

Caffeine (µM)^52,53,54,56

H₂O (1%)

1

10

100

500

Nicotine (µM)^49,50,70

H₂O (0.4%)

0.002

0.02

0.2

2