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Dye Reagents

A dye is a colored substance that has an affinity for the substrate applied to it.

Based on selective fluorescent staining with Nile red (NR), and then density extraction and filtration, a new method for the analysis of microplastics in environmental samples was proposed. Dyes stick to plastic surfaces and fluoresce when irradiated with blue light. Fluorescence emission was detected by simple photographic examination of an orange filter. Image analysis allows the identification and counting of fluorescent particles. The enlarged image can be recorded and tiled to cover the entire filter area, thus detecting particles of a few microns. The discoloration properties of Nile red also provide the possibility of plastic classification based on the surface polar characteristics of the recognized particles. Anthocyanin dye can be used to quantify the amount of dsDNA in the sample. The linearity of fluorescence was obtained by measuring the fluorescence intensity at the optimal excitation and emission maxima as a function of the DNA amount of the six dyes.

Targetmol provides dye reagents, which are widely used in fluorescent labeling and biochemical detection, and is committed to providing high-quality reagent products and services for life science research.

Cat. No. Product name CAS No. Purity Chemical Structure
TD0067 5(6)-ROX [5-(and 6)-Carboxy-X-rhodamine] *Mixed isomers* TD0067 98%
ROX dyes have a strong red fluorescence.Their excitation and emission wavelengths are longer than those of traditional rhodamine dyes.They are used as labels for...
TD0051 Fluo-4, pentaammonium salt TD0051 98%
Calcium measurement is critical for numerous biological investigations. Fluorescent probes that show spectral responses upon binding calcium have enabled researc...
TD0012 Sulfo-Cy5 cadaverine TD0012 98%
Sulfo-Cyanine5 is an analog of Cy6, a very popular fluorophore, therefore this reagent is compatible to a wide range of standard fluorescent instrumentation such...
TD0070 6-ROX, SE 216699-36-4 98%
The isomeric 6-ROX, SE is an amine-reactive form of carboxy-X-rhodamine and is widely used for oligonucleotide labeling and automated DNA sequencing applications...
TD0042 Cy5.5 diacid , SE TD0042 98%
Cy5.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
TD0074 N-Succinimidyl 7-hydroxycoumarin-3-carboxylate 134471-24-2 98%
7-Hydroxycoumarin-3-carboxylic acid, SE is the amine-reactive succinimidyl ester of 7-Hydroxycoumarin-3-carboxylic acid. This coumarin is also increasingly used ...
TD0048 5-(and-6)-Carboxy SNARF-1, Acetoxymethyl Ester, Acetate 126208-13-7 98%
The cell-permeant pH indicator, carboxy SNARF-1, acetoxymethyl ester, acetate (CAS #126208-13-7) has a pKa of ~7.5 after de-esterification, thus is useful for me...
TD0043 Cy5.5 ethylenediamine TD0043 98%
Cy5.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
TD0096 5-(and-6)-Carboxy SNARF-1 126208-12-6 98%
5-(6)-Carboxy RhodFluor is a cell-impermeant pH indicator.
TD0014 Sulfo-Cy5 diacid, SE 146368-15-2 98%
Sulfo-Cyanine5 is an analog of Cy8, a very popular fluorophore, therefore this reagent is compatible to a wide range of standard fluorescent instrumentation such...
TD0083 DiIiodide1,1‘-Dioctadecyl-3,3,3’,3‘-tetramethylindocarbocyanine iodide] TD0083 98%
DiI, DiO, DiD and DiR dyes are a family of lipophilic fluorescent stains for labeling membranes and other hydrophobic structures. The fluorescence of these envir...
TD0034 Cy3.5 diacid , SE TD0034 98%
Cy3.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
TD0052 Fluo-3, pentasodium salt TD0052 98%
Calcium measurement is critical for numerous biological investigations. Fluorescent probes that show spectral responses upon binding calcium have enabled researc...
TD0019 Sulfo-Cy7 diacid 1268616-88-1 98%
Sulfo-Cyanine7 is an improved analog of Cy7 fluorophore with quantum yield improved by 22%, and higher photostability. This fluorescent dye is especially useful ...
TD0046 Cy7 ethylenediamine TD0046 98%
Cy7 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used t...
TD0040 Cy5 cadaverine TD0040 98%
Cy5 cyanine dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widel...
TD0063 5(6)-CR110, SE [5-(and 6)-Carboxyrhodamine 110, succinimidyl ester] *Mixed isomers* 254732-34-8 98%
Compared to fluorescein labeling reagents such as FITC and FAM, CR110 reagents give more photostable and pH-independent bioconjugates that have the absorption ma...
TD0060 5(6)-CR110 [5-(and 6)-Carboxyrhodamine 110] *Mixed isomers* TD0060 98%
Compared to fluorescein labeling reagents such as FITC and FAM, CR110 reagents give more photostable and pH-independent bioconjugates that have the absorption ma...
TD0007 Sulfo-Cy3 ethylenediamine TD0007 98%
Sulfo-Cyanine 3 is an alternative dye primarily used for labeling peptides and oligos in replacing Cy3 that was originally developed by GE Healthcare.
TD0006 EB Eraser TD0006 98%
The strong EB detoxification agent is specially designed to remove the contaminated product of Ethidium bromide (EB).It can effectively destroy the structure of ...
5(6)-ROX [5-(and 6)-Carboxy-X-rhodamine] *Mixed isomers*
TD0067
ROX dyes have a strong red fluorescence.Their excitation and emission wavelengths are longer than those of traditional rhodamine dyes.They are used as labels for...
Fluo-4, pentaammonium salt
TD0051
Calcium measurement is critical for numerous biological investigations. Fluorescent probes that show spectral responses upon binding calcium have enabled researc...
Sulfo-Cy5 cadaverine
TD0012
Sulfo-Cyanine5 is an analog of Cy6, a very popular fluorophore, therefore this reagent is compatible to a wide range of standard fluorescent instrumentation such...
6-ROX, SE
TD0070
The isomeric 6-ROX, SE is an amine-reactive form of carboxy-X-rhodamine and is widely used for oligonucleotide labeling and automated DNA sequencing applications...
Cy5.5 diacid , SE
TD0042
Cy5.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
N-Succinimidyl 7-hydroxycoumarin-3-carboxylate
TD0074
7-Hydroxycoumarin-3-carboxylic acid, SE is the amine-reactive succinimidyl ester of 7-Hydroxycoumarin-3-carboxylic acid. This coumarin is also increasingly used ...
5-(and-6)-Carboxy SNARF-1, Acetoxymethyl Ester, Acetate
TD0048
The cell-permeant pH indicator, carboxy SNARF-1, acetoxymethyl ester, acetate (CAS #126208-13-7) has a pKa of ~7.5 after de-esterification, thus is useful for me...
Cy5.5 ethylenediamine
TD0043
Cy5.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
5-(and-6)-Carboxy SNARF-1
TD0096
5-(6)-Carboxy RhodFluor is a cell-impermeant pH indicator.
Sulfo-Cy5 diacid, SE
TD0014
Sulfo-Cyanine5 is an analog of Cy8, a very popular fluorophore, therefore this reagent is compatible to a wide range of standard fluorescent instrumentation such...
DiIiodide1,1‘-Dioctadecyl-3,3,3’,3‘-tetramethylindocarbocyanine iodide]
TD0083
DiI, DiO, DiD and DiR dyes are a family of lipophilic fluorescent stains for labeling membranes and other hydrophobic structures. The fluorescence of these envir...
Cy3.5 diacid , SE
TD0034
Cy3.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
Fluo-3, pentasodium salt
TD0052
Calcium measurement is critical for numerous biological investigations. Fluorescent probes that show spectral responses upon binding calcium have enabled researc...
Sulfo-Cy7 diacid
TD0019
Sulfo-Cyanine7 is an improved analog of Cy7 fluorophore with quantum yield improved by 22%, and higher photostability. This fluorescent dye is especially useful ...
Cy7 ethylenediamine
TD0046
Cy7 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used t...
Cy5 cadaverine
TD0040
Cy5 cyanine dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widel...
5(6)-CR110, SE [5-(and 6)-Carboxyrhodamine 110, succinimidyl ester] *Mixed isomers*
TD0063
Compared to fluorescein labeling reagents such as FITC and FAM, CR110 reagents give more photostable and pH-independent bioconjugates that have the absorption ma...
5(6)-CR110 [5-(and 6)-Carboxyrhodamine 110] *Mixed isomers*
TD0060
Compared to fluorescein labeling reagents such as FITC and FAM, CR110 reagents give more photostable and pH-independent bioconjugates that have the absorption ma...
Sulfo-Cy3 ethylenediamine
TD0007
Sulfo-Cyanine 3 is an alternative dye primarily used for labeling peptides and oligos in replacing Cy3 that was originally developed by GE Healthcare.
EB Eraser
TD0006
The strong EB detoxification agent is specially designed to remove the contaminated product of Ethidium bromide (EB).It can effectively destroy the structure of ...
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