Fluorescent Probes

Fluorescent probes bound to receptors or proteins enable researchers to detect particular components of complex biomolecular assemblies, such as live cells, with high sensitivity and selectivity. Tocris also offers a wide selection of fluorescent dyes and labels and stains.

Cat No Product Name / Activity
5765 4-azido-N-ethyl-1,8-naphthalimide
Click-activated fluorescent probe
5908 Bis-ANS
Fluorescent probe for nonpolar cavities in proteins; used to detect Aβ fibres
3312 BzATP triethylammonium salt
Photoaffinity label for ATPase; also P2X7 agonist and P2X1/P2Y1 partial agonist
5119 Calcein AM
Cell permeable compound; hydrolyzed to become fluorescent in living cells
4803 CRANAD 2
Near-infrared probe that detects Aβ40 aggregates
5122 Dansyl-NECA
Potent and selective fluorescent adenosine A1 agonist
5609 DFHBI
Mimic of GFP fluorophore for imaging RNA in living cells
5610 DFHBI 1T
Mimic of GFP fluorophore for imaging RNA in living cells
5712 4-ethynyl-N-ethyl-1,8-naphthalimide
Click-activated fluorescent probe
5200 FFN 102 mesylate
Selective fluorescent substrate of DAT and VMAT2
5911 FFN 200 dihydrochloride
Selective fluorescent VMAT2 substrate
5043 FFN 206 dihydrochloride
Fluorescent VMAT2 substrate
3878 FFN 511
Fluorescent substrate for VMAT2
2226 Flutax 1
Fluorescent taxol derivative
2220 FURA-2AM
Fluorescent Ca2+ indicator
5935 H2DCFDA
Fluorescent ROS indicator; cell permeable
2875 Homovanillic acid
Fluorimetric reagent
5561 IHR-Cy3
Potent fluorescent Smo antagonist
3144 K 114
Amyloid fibril-specific fluorescent dye
5085 L 012 sodium salt
Chemiluminescent ROS and RNS indicator
Fluorescent ligand for α4β1 (VLA-4)
4920 Methoxy-X04
Fluorescent amyloid β detector; brain penetrant
4428 MitoPY1
Fluorescent mitochondrial hydrogen peroxide indicator
6046 Naloxone fluorescein acetate
Fluorescent opioid antagonist; fluorescent-derivative of naloxone (Cat. No. 0599)
6065 2-NBDG
Fluorescent glucose uptake indicator
3953 cis-Ned 19
Fluorescently labels NAADP receptors in intact cells
3954 trans-Ned 19
Fluorescently labels NAADP receptors in intact cells
5905 Neurosensor 521
Selective noradrenalin and dopamine fluorescent indicator
2919 NPE-caged-HPTS
Caged fluorescent pH indicator
4086 PE 154
Fluorescent, potent AChE inhibitor
4944 Peroxy Orange 1
Fluorescent hydrogen peroxide indicator
4943 Sulfidefluor 7 AM
H2S fluorescent probe
5146 Sulforhodamine 101
Fluorescent dye; selective astrocyte marker
5118 SynaptoRedTM C2
Fluorescent dye; stains synaptic vesicles
5441 5-TAMRA SE
Fluorescent probe for DNA and RNA; also shown to stain telomeres
2540 Tocrifluor T1117
Novel fluorescent cannabinoid ligand; fluorescent form of AM 251 (Cat. No. 1117)