Date published: 2025-9-8

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FITC Activators

The chemical class of FITC Enhancers refers to a range of compounds that can enhance the fluorescence intensity, stability, or labeling efficiency of FITC (Fluorescein isothiocyanate)-conjugated molecules. FITC is widely used in biological sciences for labeling proteins, antibodies, and other biomolecules for fluorescence-based detection methods. The effectiveness of FITC labeling and the subsequent fluorescence signal can be significantly influenced by the chemical environment and the stability of the labeled compounds.

Compounds such as sodium bicarbonate and Tris buffer are used to maintain an optimal pH, which is crucial for the maximum fluorescence of FITC. Stabilizing agents like glycerol, sucrose, and propylene glycol are essential to protect FITC-labeled molecules from photobleaching, thereby enhancing the durability of the fluorescence signal. Solvents like N,N-Dimethylformamide and ethanol facilitate the solubilization and efficient conjugation of FITC to biomolecules. Sodium azide serves as a preservative, preventing microbial growth in FITC-labeled solutions, thus maintaining the integrity of the fluorescence label.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Sodium bicarbonate

144-55-8sc-203271
sc-203271A
sc-203271B
sc-203271C
sc-203271D
25 g
500 g
1 kg
5 kg
25 kg
$20.00
$28.00
$42.00
$82.00
$683.00
1
(1)

Increases the pH, which can enhance the fluorescence of FITC as it fluoresces more intensely in alkaline conditions.

Glycerol

56-81-5sc-29095A
sc-29095
100 ml
1 L
$55.00
$150.00
12
(5)

Used as a stabilizing agent in many fluorescence applications, glycerol can protect FITC-labeled compounds from photobleaching.

Sodium azide

26628-22-8sc-208393
sc-208393B
sc-208393C
sc-208393D
sc-208393A
25 g
250 g
1 kg
2.5 kg
100 g
$42.00
$152.00
$385.00
$845.00
$88.00
8
(2)

Used as a preservative in FITC-labeled antibody solutions to prevent microbial growth, thus maintaining the stability of the fluorescence label.

Tween-20

9005-64-5sc-29113C
sc-29113
sc-29113B
sc-29113A
100 ml
500 ml
1 L
3.8 L
$18.00
$30.00
$50.00
$160.00
54
(5)

A detergent that can help in solubilizing FITC-labeled proteins, enhancing the efficiency of labeling.

Sucrose

57-50-1sc-204311
sc-204311B
sc-204311C
sc-204311A
0.5 kg
50 kg
100 kg
5 kg
$57.00
$1224.00
$1760.00
$195.00
6
(1)

Acts as a stabilizer in FITC-labeled preparations, protecting against photobleaching.