46 Results for "

ion indicator

" in MedChemExpress (MCE) Product Catalog:
Products (46)

46 Results for "ion indicator" in MCE Product Catalog:

63
Fluo-4 AM
Fluo-4 AM
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63 Publications Verification
Cat. No.: HY-101896
CAS No.: 273221-67-3
Fluo-4 AM is a cell-permeable Ca 2+ (calcium ion) indicator (Ex/Em = 485/526 nm) .
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15
Calcein
Calcein
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15 Cited Publications
Cat. No.: HY-D0040
CAS No.: 1461-15-0
Synonyms: Fluorexon
Calcein is a fluorescent dye and self-quenching probe, used as an indicator of lipid vesicle leakage, and also as a complexometric indicator for titration of calcium ions with EDTA, and for fluorometric determination of calcium. Calcein cannot directly cross the intact cell membrane of a living cell, unlike Calcein-AM (HY-D0041) which is cell-permeable. Calcein can also be used as a model drug for evaluating efficiency and bioavailability of drug delivery systems .
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10
Fura-2 AM
Fura-2 AM
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10 Cited Publications
Cat. No.: HY-101897
CAS No.: 108964-32-5
Purity:  99%
Synonyms: Fura-2 Acetoxymethyl ester
Fura-2 AM is a membrane permeable, intracellular, UV light-excitable and ratiometric fluorescent Ca 2+ (calcium ion) indicator. Fura-2 AM crosses cell membranes and is converted to Fura-2 (HY-D0110A) via cellular esterases. Fura-2 AM can be used to detect calcium in cells.
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8
Lucigenin
Lucigenin
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8 Cited Publications
Cat. No.: HY-D0720
CAS No.: 2315-97-1
Synonyms: NSC-151912; L-6868
Lucigenin is a chemiluminescence probe. Lucigenin can be used to detect the production of endogenous superoxide anion radical (O 2-). Lucigenin is extremely sensitive to chloride ions, while it combined with chloride ions, the fluorescence will be quenched. Lucigenin also can be used as a chloride indicator. Ex/Em=455/505 nm .
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4
Zinpyr-1
Zinpyr-1
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4 Cited Publications
Cat. No.: HY-D0155
CAS No.: 288574-78-7
Zinpyr-1 is a zinc-responsive fluorescent indicator and a membrane-permeable metal-binding probe. Zinpyr-1 forms a complex with Mn 2+ ions and generates a fluorescence turn-on signal. Zinpyr-1 binds to free zinc ions in serum, enabling quantitative detection of free zinc concentration. Zinpyr-1 produces fluorescence signals reflecting the relative zinc concentration in plant root cells, localizes to specific layers of plant root cells, and can be used to support analyses related to plant zinc transporter mutations and homeostasis .
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2
Pyranine
Pyranine
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2 Cited Publications
Cat. No.: HY-D0023
CAS No.: 6358-69-6
Synonyms: HPTS; Solvent Green 7
Pyranine (HPTS; Solvent Green 7) is a cell-impermeant pH-sensitive fluorescent indicator. Pyranine acts as a class of fluorescent chemosensor for the Cu + ion. Pyranine is used as a coloring agent, biological stain, optical detecting reagent, and pH indicator (Ex/Em = 450/510 nm) .
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2,6-Dichlorophenolindophenol sodium hydrate
2,6-Dichlorophenolindophenol sodium hydrate
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1 Cited Publications
Cat. No.: HY-W129633
CAS No.: 1266615-56-8
Synonyms: DCIP sodium hydrate; DPIP sodium hydrate
2,6-Dichlorophenolindophenol (DCIP; DPIP) sodium hydrate is a redox chromogenic indicator with a redox potential of +217 mV relative to SHE, and it acts as a substrate for reduction reactions. During the metabolic process of nutrient consumption by Saccharomyces cerevisiae, 2,6-Dichlorophenolindophenol sodium hydrate is reduced from dark blue to colorless, resulting in a decrease in absorbance. 2,6-Dichlorophenolindophenol sodium hydrate is widely used in spectrophotometric biochemical oxygen demand determination and preclinical colorimetric toxicity analysis for heavy metal ion detection based on Saccharomyces cerevisiae .
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Xylenol orange tetrasodium salt, IND
Xylenol orange tetrasodium salt, IND
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1 Cited Publications
Cat. No.: HY-W110883
CAS No.: 3618-43-7
Xylenol orange tetrasodium salt, IND is commonly used as a colorimetric indicator for metal titration and possesses Zn 2+ chelating activity. Xylenol orange tetrasodium salt, IND binds Zn 2+ under physiological pH, and its Zn-XO complex allows visual differentiation between tartrate and malate ions. Xylenol orange tetrasodium salt, IND undergoes decolorization upon oxidation by hydrogen peroxide, undergoes a Co (II)-catalyzed pseudo-second-order reaction in a strong alkaline environment, and regulates the ferrous ion oxidation process mediated by peroxy radicals. Xylenol orange tetrasodium salt, IND forms colored ternary complexes with various anions, cations and iron-alanine, which is suitable for spectrophotometric quantification and can also be used for alanine irradiation dose detection. Xylenol orange tetrasodium salt, IND is applicable to EDTA metal titration analysis under acidic conditions .
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Hydroxynaphthol Blue
Hydroxynaphthol Blue
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Cat. No.: HY-D1247
CAS No.: 63451-35-4
Hydroxynaphthol Blue is an azo dye and serves as a metal indicator. Hydroxynaphthol Blue binds to specific metal ions to form stable complexes with distinct color and fluorescence properties. Hydroxynaphthol Blue is used for the visual monitoring of isothermal nucleic acid amplification results. A visible color difference appears between positive and negative nucleic acid amplification reactions, allowing result discrimination by the naked eye without opening the reaction tube .
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Safranin
Safranin
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Cat. No.: HY-D0215
CAS No.: 477-73-6
Synonyms: Safranine T
Safranin (Safranin T) is an important and classical phenazinium dye. Safranin has been extensively used in the academic field as a spectroscopic probe and indicator. Safranin possesses a planar structure and cationic charge. Safranin can readily intercalate into biological macromolecules, including DNA and proteins. Safranin has antibacterial effects against gram-positive bacteria (S. aureus). Safranin can be used as a redox indicator in the determination of metal ion concentration .
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Alizarin Red S Indicator (4.3-6.3), IND
Alizarin Red S Indicator (4.3-6.3), IND
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Cat. No.: HY-W110927
CAS No.: 130-22-3
Alizarin red S indicator (C.I. 58005) is a reductively active (quinone-based) anthraquinone dye that forms complexes with metal ions (such as zirconium, calcium) or boric acid to label calcium deposition and perform electrochemical sensing functions. Alizarin Red S undergoes reversible redox reactions (for electrochemical detection) and irreversible chelation (for bone staining). Alizarin Red S is mainly used in bone metabolism research (labeling mineralized tissue), sugar detection (boric acid-sugar competition system) and metal ion sensing (such as zirconium ion detection)， and can be used in osteoporosis and metabolic disease research .
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Eriochrome black T, Indicator
Eriochrome black T, Indicator
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Cat. No.: HY-W110910
CAS No.: 1787-61-7
Eriochrome black T, Indicator is a complexing agent for metal ions (e.g., Ca 2+, Mg 2+) and is used as an indicator in complexometric titrations. Eriochrome black T, Indicator forms colored complexes with metal ions through covalent coordination bonds, and indicates the endpoint of the titration by color change. Eriochrome black T, Indicator can be used as an anionic azo dye in photocatalytic degradation studies to evaluate the performance of photocatalysts. The reaction solution of Eriochrome black T, Indicator combined with Mg 2+ is initially purple. During loop-mediated isothermal amplification (LAMP), the color changes from purple to sky blue due to the consumption of Mg 2+ by the formation of magnesium pyrophosphate, indicating a positive reaction. The optimal concentration of Eriochrome black T, Indicator in LAMP is 60 μM, and the detection limit for Mycobacterium tuberculosis is 1 pg DNA/reaction .
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Fluo-4 AM (solution)
Fluo-4 AM (solution)
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Cat. No.: HY-DY1028
CAS No.: 273221-67-3
Fluo-4 AM (solution) is a cell-permeable Ca 2+ (calcium ion) indicator (Ex/Em = 485/526 nm) .
Solvent and concentration: DMSO: 1 mM
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Mordant Blue 29
Mordant Blue 29
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Cat. No.: HY-D0800
CAS No.: 1667-99-8
Chromeazurol S is a compound belonging to the class of azo dyes. It is often used as an indicator in analytical chemistry to detect metal ions such as copper, nickel, and cobalt. Chromeazurol S turns from yellow to blue in the presence of metal ions, allowing them to be detected and quantified. It can be applied to a test strip or added directly to a solution for analysis.
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Dithizone
Dithizone
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Cat. No.: HY-W110793
CAS No.: 60-10-6
Synonyms: Diphenylthiocarbazone
Dithizone can be toxic to pancreatic islet cells and cause experimental diabetes. Dithizone can be used for in vitro in vivo staining of transplanted islets and cytoplasmic granules of bone marrow cells. Dithizone can be used as a chelating agent and colorimetric indicator for the detection and extraction of various heavy metals, including lead and mercury, in analytical and biochemical applications. Dithizone forms stable colored complexes with metal ions and can be quantitatively analyzed by methods such as spectrophotometry .
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Hydroxy naphthol blue disodium
Hydroxy naphthol blue disodium
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Cat. No.: HY-W151206
CAS No.: 165660-27-5
Hydroxy naphthol blue disodium is an azo dye compound commonly used as an acid-base indicator (λmax = 650 nm). Within the pH range of 12 to 13, the indicator solution of Hydroxy naphthol blue disodium appears pale red in the presence of calcium ions and dark blue in the presence of disodium EDTA .
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Hydromethylthionine
Hydromethylthionine
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Cat. No.: HY-109116
CAS No.: 613-11-6
Synonyms: Leukomethylene blue
Hydromethylthionine (Leukomethylene blue) has a very active photochemically active reagent, especially in its interaction with dissolved oxygen. The photochemical activity of Hydromethylthionine is mainly regulated by the reaction of its triplet state with dissolved oxygen, which reacts with dissolved oxygen to form Methylene Blue (HY-14536) and hydronium ions under ultraviolet light. Hydromethylthionine can be used for the photodegradation of model pollutants in semiconductor photocatalysis and for the study of indicators in chemical analysis .
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Pyrene-1,3,6,8-tetrasulfonic acid tetrasodium
Pyrene-1,3,6,8-tetrasulfonic acid tetrasodium
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Cat. No.: HY-D0142
CAS No.: 59572-10-0
Pyrene-1,3,6,8-tetrasulfonic acid tetrasodium is a fluorescent dye and pH indicator, also as a ligand of multifunctional metal-organic framework. Pyrene-1,3,6,8-tetrasulfonic acid tetrasodium has been used to detect CO2 release. Pyrene-1,3,6,8-tetrasulfonic acid tetrasodium acts as a water-soluble fluorescent dye for fluorescence quenching assays monitoring gramicidin ion-channel activity . Ex/Em = 396/404 nm.
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Asante potassium green-1 AM
Asante potassium green-1 AM
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Cat. No.: HY-D2482
CAS No.: 1369302-18-0
Synonyms: APG-1 AM
Asante potassium green-1 AM (APG-1 AM) is a cell-permeable K +-sensitive fluorescent indicator and potassium ion indicator that exhibits minimal interference from Na + and pH at physiologically relevant intracellular levels. Asante potassium green-1 AM enables non-invasive monitoring and quantitative analysis of intracellular potassium ion concentrations (Ex/Em = 522/547 nm) .
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Asante potassium green-2 TMA
Asante potassium green-2 TMA
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Cat. No.: HY-D2481
CAS No.: 1369302-21-5
Synonyms: APG-2 TMA
Asante potassium green-2 TMA (APG-2 (TMA)) is a cell-impermeable K + fluorescent indicator that produces a fluorescent response to changes in extracellular potassium ion concentration (Ex/Em = 525/545 nm) .
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