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Helix Fluor™ 575, succinimidyl ester

Fluorescent dye NHS esters (or succinimidyl esters) are the most popular tool for conjugating dyes to a peptide, protein, antibody, amino-modified oligonucleotide or nucleic acid. NHS esters react readily with the primary amines (R-NH<sub>2</sub>) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The resulting dye conjugates are quite stable.
Fluorescent dye NHS esters (or succinimidyl esters) are the most popular tool for conjugating dyes to a peptide, protein, antibody, amino-modified oligonucleotide or nucleic acid. NHS esters react readily with the primary amines (R-NH<sub>2</sub>) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The resulting dye conjugates are quite stable.
Fluorescent dye NHS esters (or succinimidyl esters) are the most popular tool for conjugating dyes to a peptide, protein, antibody, amino-modified oligonucleotide or nucleic acid. NHS esters react readily with the primary amines (R-NH<sub>2</sub>) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The resulting dye conjugates are quite stable.
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Physical properties
Molecular weight770.31
SolventDMSO
Spectral properties
Excitation (nm)553
Emission (nm)570
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12171501

OverviewpdfSDSpdfProtocol


Molecular weight
770.31
Excitation (nm)
553
Emission (nm)
570
FAM, TET, VIC, JOE, NED, TAMRA and ROX fluorescent dyes are frequently used for labeling oliogs. These fluorescent oligo conjugates are often used for nucleic acid sequencing and nucleic acid amplification. Our Helix Fluor™ 575 is an excellent alternative to the NED dye for preparing fluorescent oligos.

Calculators


Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of Helix Fluor™ 575, succinimidyl ester to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM129.818 µL649.089 µL1.298 mL6.491 mL12.982 mL
5 mM25.964 µL129.818 µL259.636 µL1.298 mL2.596 mL
10 mM12.982 µL64.909 µL129.818 µL649.089 µL1.298 mL

Molarity calculator

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Spectrum


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spectrum

Spectral properties

Excitation (nm)553
Emission (nm)570

Product Family


NameExcitation (nm)Emission (nm)
Helix Fluor™ 545, succinimidyl ester526543

Images


References


View all 1 references: Citation Explorer
Detection and typing of Herpes Simplex virus (HSV) in mucocutaneous samples by TaqMan PCR targeting a gB segment homologous for HSV types 1 and 2
Authors: Namvar L, Olofsson S, Bergstrom T, Lindh M.
Journal: J Clin Microbiol (2005): 2058