FRET Probes

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Fluorescent Dyes > FRET Probes

Fluorescence resonance energy transfer (FRET) is transfer of the excited state energy from the initially excited donor (D) to an acceptor (A). The donor molecules typically emit at shorter wavelengths that overlap with the absorption of acceptors. The process is a distance-dependent interaction between the electronic excited states of two molecules without emission of a photon. FRET is the result of long-range dipole-dipole interactions between the donor and acceptor. Excited donor molecule has several routes to release its captured energy returning to the ground state. The excited state energy can be dissipated to the environment (as light or heat) or transferred directly to a second acceptor molecule, sending the acceptor to an excited state. The latter process is called FRET.

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Product	Size	Catalog #	US$
QXL™ 490 acid	10 mg	81825-10	$374

QXL™ 490 acid, SE QXL™ 490 acid, NHS ester	5 mg	81826-5	$193

QXL™ 490 C2 amine	5 mg	81828-5	$247

QXL™ 490 C2 maleimide	5 mg	81827-5	$247

QXL™ 570 acid	10 mg	81835-10	$374

QXL™ 570 acid, SE QXL™ 570 acid, NHS ester	5 mg	81836-5	$374

QXL™ 570 C2 amine	5 mg	81837	$501

QXL™ 570 C2 maleimide	5 mg	81838	$450

QXL™ 570 hydrazide	5 mg	81848	$501

QXL™ 610 acid	10 mg	81815-10	$374

QXL™ 610 acid, SE QXL™ 610 acid, NHS ester	5 mg	81816-5	$193

QXL™ 610 vinyl sulfone Thiol - Reactive	25 mg	81817	$247

QXL™ 670 acid, SE QXL™ 670 acid, NHS ester	5 mg	81841	$374

QXL™ 670 C2 amine	5 mg	81842	$374

QXL™ 680 acid	10 mg	81855	$374

QXL™ 680 acid, SE QXL™ 680 acid, NHS ester	5 mg	81851	$374

QXL™ 680 C2 amine	1 mg	81852	$374

QXL™ 680 C2 maleimide	1 mg	81854	$374

DABCYL acid [4 - ((4 - (dimethylamino)phenyl)azo)benzoic acid] UltraPure Grade	1 g	81800	$66

DABCYL acid, SE 4 - ((4 - (dimethylamino)phenyl)azo)benzoic acid, succinimidyl ester; DABCYL acid, NHS ester	100 mg	81801	$88

DABCYL C2 amine	100 mg	81819	$121

DABCYL C2 maleimide	25 mg	81802	$121

DABCYL hydrazide	100 mg	81820	$121

DABCYL Plus™ acid	100 mg	81803	$121

DABCYL Plus™ acid, SE DABCYL Plus™ acid, NHS ester	25 mg	81804	$121

DABCYL Plus™ C2 maleimide	10 mg	81805	$121

DABSYL - L - methionine	25 mg	81811	$66

DNP - X acid [6 - (2,4 - Dinitrophenyl)aminohexanoic acid]	100 mg	81227	$66

DNP - X acid, SE 6 - (2,4 - Dinitrophenyl)aminohexanoic acid, succinimidyl ester; DNP - X acid, NHS ester	25 mg	81228	$66

DNP C2 maleimide	25 mg	81822	$66

Fmoc - Lys(DABCYL) - OH N - α - Fmoc - N - ε - (4,4 - dimethylazobenzene - 4’carbonyl) - L - lysine	100 mg	23496-01	$115

Boc - Lys(DABCYL) - OH N - α - t - Boc - N - ε - (4,4 - dimethylazobenzene - 4’ - carbonyl) - L - lysine	100 mg	23490-01	$115

Fmoc - Lys(DABCYL) Wang resin N - α - Fmoc - N - ε - 4 - (4 - dimethylaminophenylazo)benzoyl - L - lysine Wang resin	0.5 g	23858	$303

Fmoc - Lys(DABCYL) Wang resin N - α - Fmoc - N - ε - 4 - (4 - dimethylaminophenylazo)benzoyl - L - lysine Wang resin	1 g	23859	$517

Boc - Lys(DABCYL) - OH N - α - t - Boc - N - ε - (4,4 - dimethylazobenzene - 4’ - carbonyl) - L - lysine	1 g	23490	$665

Boc - Lys(DABCYL) - OH N - α - t - Boc - N - ε - (4,4 - dimethylazobenzene - 4’ - carbonyl) - L - lysine	5 g	23491	$2662

Fmoc - Lys(DABCYL) - OH N - α - Fmoc - N - ε - (4,4 - dimethylazobenzene - 4’carbonyl) - L - lysine	1 g	23496	$665

Fmoc - Lys(DABCYL) - OH N - α - Fmoc - N - ε - (4,4 - dimethylazobenzene - 4’carbonyl) - L - lysine	5 g	23497	$2662

DABCYL 4,4 - Dimethylamino - azobenzene - 4' - carboxylic acid	0.5 g	23884	$39

DABCYL 4,4 - Dimethylamino - azobenzene - 4' - carboxylic acid	1 g	23885	$66

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