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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. 製品名 CAS No. Purity Chemical Structure
T23173 Ponceau S 6226-79-5 98%
Ponceau S (Acid Red 112) is the most commonly used stain for Western blotting binding with antibody-antigen, and stains the proteins on the membrane red.
TD0013 Sulfo-Cy5 diacid 252255-40-6 98%
Sulfo-Cyanine5 is an analog of Cy7, a very popular fluorophore, therefore this reagent is compatible to a wide range of standard fluorescent instrumentation such...
TD0041 Cy5.5 diacid TD0041 98%
Cy5.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
TD0031 Cy3 diacid 1034871-56-1 98%
Cy3 is often used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used in polypeptides, proteins, nucle...
TD0015 Sulfo-Cy5.5 ethylenediamine TD0015 98%
Sulfo-Cyanine5.5 is a water soluble cyanine dye for far red / NIR applications such as in vivo imaging. The dye possesses four sulfonate groups that render it hi...
TD0078 Succinimidyl 7-methoxycoumarin-3-carboxylate 150321-92-9 98%
7-Methoxycoumarin-3-carboxylic acid may be used as a reference compound in the purification, separation and analysis of coumarin compounds.
TD0044 Cy5.5 cadaverine TD0044 98%
Cy5.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
TD0047 Cy7 cadaverine TD0047 98%
Cy7 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used t...
TD0073 7-Hydroxycoumarin-3-carboxylic acid 779-27-1 98%
7-Hydroxycoumarin-3-carboxylic acid is a blue fluorophores for labeling proteins and nucleic acids mostly through the in situ formation of its succinimidyl ester...
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...
TD0009 Sulfo-Cy3 diacid 146397-17-3 98%
Sulfo-Cyanine 3 is an alternative dye primarily used for labeling peptides and oligos in replacing Cy5 that was originally developed by GE Healthcare.
TD0065 6-CR110, SE [6-Carboxyrhodamine 110, succinimidyl ester]*Single isomer* TD0065 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...
TD0096 5-(and-6)-Carboxy SNARF-1 126208-12-6 98%
5-(6)-Carboxy RhodFluor is a cell-impermeant pH indicator.
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...
TD0017 Sulfo-Cy7 ethylenediamine TD0017 98%
Sulfo-Cyanine7 is an improved analog of Cy7 fluorophore with quantum yield improved by 20%, and higher photostability. This fluorescent dye is especially useful ...
TD0030 Super Fluor 750, SE TD0030 98%
This Super Fluor 750, SE is a reactive dye for the labeling of antibodies, peptides, proteins, tracers, and amplification substrates optimized for cellular label...
TD0103 Safranin 477-73-6 98%
Basic Red 2 is an industrial dyes.
TD0077 7-Methoxycoumarin-3-carboxylic acid 20300-59-8 98%
7-Methoxycoumarin-3-carboxylic acid is used for HPLC derivatization. It is also used to develop FRET probes for analyzing protease activities.
TD0080 Super Texas Red,SE TD0080 98%
Texas Red is a Red fluorescent dye, purple-red powder, more stable.Texas Red is also a derivative of Rhodamine, which also includes Rhodamine red-x (RRX), TRITC,...
TD0079 Texas red-X,SE TD0079 98%
Texas Red-X succinimidyl ester,suitable for high bright Red succinimidyl fluorescence excitation/emission maximum ~ 595/615 nm.This reactive dye contains additio...
Ponceau S
T23173
Ponceau S (Acid Red 112) is the most commonly used stain for Western blotting binding with antibody-antigen, and stains the proteins on the membrane red.
Sulfo-Cy5 diacid
TD0013
Sulfo-Cyanine5 is an analog of Cy7, a very popular fluorophore, therefore this reagent is compatible to a wide range of standard fluorescent instrumentation such...
Cy5.5 diacid
TD0041
Cy5.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
Cy3 diacid
TD0031
Cy3 is often used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used in polypeptides, proteins, nucle...
Sulfo-Cy5.5 ethylenediamine
TD0015
Sulfo-Cyanine5.5 is a water soluble cyanine dye for far red / NIR applications such as in vivo imaging. The dye possesses four sulfonate groups that render it hi...
Succinimidyl 7-methoxycoumarin-3-carboxylate
TD0078
7-Methoxycoumarin-3-carboxylic acid may be used as a reference compound in the purification, separation and analysis of coumarin compounds.
Cy5.5 cadaverine
TD0044
Cy5.5 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used...
Cy7 cadaverine
TD0047
Cy7 dyes and their derivatives are commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.They are widely used t...
7-Hydroxycoumarin-3-carboxylic acid
TD0073
7-Hydroxycoumarin-3-carboxylic acid is a blue fluorophores for labeling proteins and nucleic acids mostly through the in situ formation of its succinimidyl ester...
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...
Sulfo-Cy3 diacid
TD0009
Sulfo-Cyanine 3 is an alternative dye primarily used for labeling peptides and oligos in replacing Cy5 that was originally developed by GE Healthcare.
6-CR110, SE [6-Carboxyrhodamine 110, succinimidyl ester]*Single isomer*
TD0065
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-(and-6)-Carboxy SNARF-1
TD0096
5-(6)-Carboxy RhodFluor is a cell-impermeant pH indicator.
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 ethylenediamine
TD0017
Sulfo-Cyanine7 is an improved analog of Cy7 fluorophore with quantum yield improved by 20%, and higher photostability. This fluorescent dye is especially useful ...
Super Fluor 750, SE
TD0030
This Super Fluor 750, SE is a reactive dye for the labeling of antibodies, peptides, proteins, tracers, and amplification substrates optimized for cellular label...
Safranin
TD0103
Basic Red 2 is an industrial dyes.
7-Methoxycoumarin-3-carboxylic acid
TD0077
7-Methoxycoumarin-3-carboxylic acid is used for HPLC derivatization. It is also used to develop FRET probes for analyzing protease activities.
Super Texas Red,SE
TD0080
Texas Red is a Red fluorescent dye, purple-red powder, more stable.Texas Red is also a derivative of Rhodamine, which also includes Rhodamine red-x (RRX), TRITC,...
Texas red-X,SE
TD0079
Texas Red-X succinimidyl ester,suitable for high bright Red succinimidyl fluorescence excitation/emission maximum ~ 595/615 nm.This reactive dye contains additio...
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