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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
TD0054 Fluo-3, pentaammonium salt TD0054 98%
Fluo-3, pentaammonium salt
Fluo-3, pentaammonium sal is a visible light-excitable calcium indicators. Fluo-3 can be used to study changes in intracellular free calcium concentration.
TD0086 ROX Reference Dye TD0086 98%
ROX Reference Dye
ROX Reference Dye was designed to standardize fluorescent reporter gene signals in real-time quantitative PCR or RT-PCR
TD0002L CelRed nucleic acid gel stain *10,000× concentrate in DMSO* TD0002L 98%
CelRed nucleic acid gel stain *10,000× concentrate in DMSO*
1) Non-toxicity: The unique oiliness and high molecular weight characteristics of CelRed prevent it from penetrating cell membranes into cells. Ames test results...
TD0023 Super Fluor 555 TD0023 98%
Super Fluor 555
Probes with high fluorescence quantum yield and high photostability allow detection of low-abundance biological structures with great sensitivity. Super Fluor 55...
TD0068 5(6)-ROX N-succinimidyl ester 114616-32-9 98%
5(6)-ROX N-succinimidyl ester
5(6)-ROX, SE is an amine-reactive fluorescent probe that is widely used for oligonucleotide labeling and automated DNA sequencing applications.
T67840 5-TAMRA Azide 1006592-61-5 98%
5-TAMRA Azide
5-TAMRA Azide (TAMRA Azide, isomer 5) is the orange-fluorescent probe that is compatible with various excitation sources including mercury arc, tungsten and xeno...
TD0051 Fluo-4, pentaammonium salt TD0051 98%
Fluo-4, pentaammonium salt
Fluo-4, pentaammonium salt is a visible light-excitable calcium indicators. Fluo-4 can be used to study changes in intracellular free calcium concentration.
TD0084 DiI triflate [1,1‘-Dioctadecyl-3,3,3’,3‘-tetramethylindocarbocyanine triflate] TD0084 98%
DiI triflate [1,1‘-Dioctadecyl-3,3,3’,3‘-tetramethylindocarbocyanine triflate]
DiI triflate is a lipophilic fluorescent stain for labeling membranes and other hydrophobic structures.
T78409 Boc-Val-Pro-Arg-MCA hydrochloride 70375-24-5 98%
Boc-Val-Pro-Arg-MCA hydrochloride
Boc-Val-Pro-Arg-MCA hydrochloride (Boc-Val-Pro-Arg-MCA HCl) is a sensitive fluorescent substrate for the determination of trypsin-like serine proteases activity....
T78427 MAOS 82692-97-5 98%
MAOS
MAOS is a novel Trinder reagent that is a colorimetric probe.
T78428 X-Gluc cyclohexanamine 114162-64-0 98%
X-Gluc cyclohexanamine
X-Gluc cyclohexanamine is a dye used to detect β-glucuronidase (GUS) activity and is commonly used as a marker for gene expression, which can be used to detect t...
TD0097 BAPTA, tetrapotassium salt 73630-08-7 98%
BAPTA, tetrapotassium salt
BAPTA, tetrapotassium salt is a Ca2+ chelator.
TD0012 Sulfo-Cy5 cadaverine TD0012 98%
Sulfo-Cy5 cadaverine
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...
TD0048 5-(and-6)-Carboxy SNARF-1, Acetoxymethyl Ester, Acetate 126208-13-7 98%
5-(and-6)-Carboxy SNARF-1, Acetoxymethyl Ester, Acetate
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...
T31797 FlAsH-EDT2 212118-77-9 98%
FlAsH-EDT2
FlAsH-EDT2 is a membrane-permeable fluorescent diarsenical compound.FlAsH-EDT2 is a protein labeling reagent.FlAsH-EDT2 binds to CCXXCC motifs and non-specific e...
TD0025 Super Fluor 647 TD0025 98%
Super Fluor 647
Super Fluor 647 dye is a bright, far-red–fluorescent dye with excitation ideally suited for the 594 nm or 633 nm laser lines. For stable signal generation in ima...
TD0029 Super Fluor 750 TD0029 98%
Super Fluor 750
Super Fluor 750 dye is a bright, near-IR–fluorescent dye with excitation ideally suited for the 633 nm laser line or dye-pumped laser excitation. Super Fluor 750...
TD0039 Cy5 ethylenediamine TD0039 98%
Cy5 ethylenediamine
Cy5 ethylenediamine is commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.
TD0046 Cy7 ethylenediamine TD0046 98%
Cy7  ethylenediamine
Cy7 ethylenediamine is commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.
TD0066 5(6)-TAMRA [5-(and-6)-Carboxytetramethylrhodamine] *Mixed isomers* 150347-56-1 98%
5(6)-TAMRA [5-(and-6)-Carboxytetramethylrhodamine] *Mixed isomers*
5(6)-TAMRA contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid. This bright, orange-fluor...
Fluo-3, pentaammonium salt
TD0054
Fluo-3, pentaammonium sal is a visible light-excitable calcium indicators. Fluo-3 can be used to study changes in intracellular free calcium concentration.
ROX Reference Dye
TD0086
ROX Reference Dye was designed to standardize fluorescent reporter gene signals in real-time quantitative PCR or RT-PCR
CelRed nucleic acid gel stain *10,000× concentrate in DMSO*
TD0002L
1) Non-toxicity: The unique oiliness and high molecular weight characteristics of CelRed prevent it from penetrating cell membranes into cells. Ames test results...
Super Fluor 555
TD0023
Probes with high fluorescence quantum yield and high photostability allow detection of low-abundance biological structures with great sensitivity. Super Fluor 55...
5(6)-ROX N-succinimidyl ester
TD0068
5(6)-ROX, SE is an amine-reactive fluorescent probe that is widely used for oligonucleotide labeling and automated DNA sequencing applications.
5-TAMRA Azide
T67840
5-TAMRA Azide (TAMRA Azide, isomer 5) is the orange-fluorescent probe that is compatible with various excitation sources including mercury arc, tungsten and xeno...
Fluo-4, pentaammonium salt
TD0051
Fluo-4, pentaammonium salt is a visible light-excitable calcium indicators. Fluo-4 can be used to study changes in intracellular free calcium concentration.
DiI triflate [1,1‘-Dioctadecyl-3,3,3’,3‘-tetramethylindocarbocyanine triflate]
TD0084
DiI triflate is a lipophilic fluorescent stain for labeling membranes and other hydrophobic structures.
Boc-Val-Pro-Arg-MCA hydrochloride
T78409
Boc-Val-Pro-Arg-MCA hydrochloride (Boc-Val-Pro-Arg-MCA HCl) is a sensitive fluorescent substrate for the determination of trypsin-like serine proteases activity....
MAOS
T78427
MAOS is a novel Trinder reagent that is a colorimetric probe.
X-Gluc cyclohexanamine
T78428
X-Gluc cyclohexanamine is a dye used to detect β-glucuronidase (GUS) activity and is commonly used as a marker for gene expression, which can be used to detect t...
BAPTA, tetrapotassium salt
TD0097
BAPTA, tetrapotassium salt is a Ca2+ chelator.
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...
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...
FlAsH-EDT2
T31797
FlAsH-EDT2 is a membrane-permeable fluorescent diarsenical compound.FlAsH-EDT2 is a protein labeling reagent.FlAsH-EDT2 binds to CCXXCC motifs and non-specific e...
Super Fluor 647
TD0025
Super Fluor 647 dye is a bright, far-red–fluorescent dye with excitation ideally suited for the 594 nm or 633 nm laser lines. For stable signal generation in ima...
Super Fluor 750
TD0029
Super Fluor 750 dye is a bright, near-IR–fluorescent dye with excitation ideally suited for the 633 nm laser line or dye-pumped laser excitation. Super Fluor 750...
Cy5 ethylenediamine
TD0039
Cy5 ethylenediamine is commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.
Cy7 ethylenediamine
TD0046
Cy7 ethylenediamine is commonly used in biomolecular labeling, fluorescence imaging and other fluorescence biological analysis.
5(6)-TAMRA [5-(and-6)-Carboxytetramethylrhodamine] *Mixed isomers*
TD0066
5(6)-TAMRA contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid. This bright, orange-fluor...
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