Date published: 2025-10-10

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R-PE Activators

R-PE Activators are a diverse group of chemical compounds that enhance the functional activity of R-PE through stabilization, protection, and enhancement of its intrinsic fluorescent properties. Compounds such as Borate buffer and Histidine enhance the stability and brightness of R-PE by maintaining an optimal pH, which is crucial for the conformational integrity and peak performance of this protein's fluorescence. Glycerol and Sucrose play pivotal roles in protecting R-PE against photobleaching, either by increasing the viscosity of the solution or by serving as a protectant during storage, respectively. Antioxidants like Trolox, N-propyl gallate, and Ascorbic acid further protect R-PE from oxidative damage caused by reactive oxygen species, thereby preserving the intensity and longevity of its fluorescence. β-mercaptoethanol enhances fluorescence by reducing improper disulfide bonds, while Sodium azide indirectly contributes to the stability of R-PE by preventing microbial-induced degradation.

Furthermore, compounds like EDTA bolster R-PE's activity by chelating metal ions that could otherwise facilitate oxidative reactions, leading to a decrease in fluorescence. Arginine and Trehalose are crucial in ensuring proper protein folding and protecting against environmental stresses, which can otherwise lead to aggregation and reduced fluorescence efficacy. These activators collectively enhance the functional activity of R-PE by addressing various aspects of the protein's fluorescence stability and intensity, ensuring that it maintains its role as a reliable fluorescent marker in a multitude of research applications. Their contributions are specifically targeted at enhancing the photostability and fluorescence output of R-PE, enablingR-PE Activators are a curated set of chemical compounds that elevate the functional activity of R-PE by targeting various aspects of its stability and fluorescence properties. The use of Borate buffer and Histidine directly impacts R-PE's structural integrity by stabilizing its conformation within an optimal pH range, which is essential for maintaining fluorescent activity.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Boric Acid

10043-35-3sc-202083B
sc-202083
sc-202083C
sc-202083A
sc-202083D
50 g
500 g
1 kg
2.5 kg
5 kg
$36.00
$76.00
$120.00
$173.00
$310.00
10
(1)

Borate forms a complex with R-PE, which can stabilize its conformation and enhance fluorescence intensity by maintaining the protein in an optimal pH range.

Glycerol

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

Glycerol is used to increase the viscosity of the solution, which can reduce photobleaching of fluorescent proteins like R-PE by limiting molecular oxygen diffusion that can quench fluorescence.

β-Mercaptoethanol

60-24-2sc-202966A
sc-202966
100 ml
250 ml
$88.00
$118.00
10
(2)

β-mercaptoethanol can reduce disulfide bonds that might form aberrantly in R-PE and quench its fluorescence, thus preserving its fluorescent activity.

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)

Sodium azide inhibits microbial growth, which could otherwise degrade R-PE, thus indirectly enhancing its functional stability in storage or experimental conditions.

Trolox

53188-07-1sc-200810
sc-200810A
sc-200810B
sc-200810C
sc-200810D
500 mg
1 g
5 g
25 g
100 g
$37.00
$66.00
$230.00
$665.00
$1678.00
39
(1)

Trolox is a water-soluble vitamin E analog that acts as an antioxidant, protecting R-PE from oxidative damage that can diminish its fluorescence.

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)

Sucrose can be used as a protectant in cryopreservation or lyophilization processes, which enhances the stability and activity of R-PE during storage.

L-Arginine

74-79-3sc-391657B
sc-391657
sc-391657A
sc-391657C
sc-391657D
5 g
25 g
100 g
500 g
1 kg
$20.00
$30.00
$60.00
$215.00
$345.00
2
(0)

Arginine is often used in refolding buffers for proteins and may enhance the correct folding of R-PE, thereby increasing its fluorescent efficacy.

L-Histidine

71-00-1sc-394101
sc-394101A
sc-394101B
sc-394101C
sc-394101D
25 g
100 g
250 g
500 g
1 kg
$53.00
$82.00
$185.00
$200.00
$332.00
1
(0)

Histidine can act as a buffer agent and metal chelator. It can stabilize the R-PE structure, particularly at different pH levels, enhancing its fluorescence.

D-(+)-Trehalose Anhydrous

99-20-7sc-294151
sc-294151A
sc-294151B
1 g
25 g
100 g
$29.00
$164.00
$255.00
2
(0)

Trehalose is a disaccharide that protects proteins against aggregation and denaturation, potentially enhancing R-PE's fluorescence stability under stress conditions.

Propyl gallate

121-79-9sc-250794
sc-250794A
sc-250794B
sc-250794C
sc-250794D
sc-250794E
100 g
250 g
500 g
1 kg
2 kg
5 kg
$75.00
$220.00
$279.00
$500.00
$800.00
$1600.00
1
(1)

N-propyl gallate is an antioxidant that can protect R-PE against photobleaching by scavenging reactive oxygen species.