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Results for "

pH sensitive probe

" in MedChemExpress (MCE) Product Catalog:

By Targets:	HIF/HIF Prolyl-Hydroxylase (1) Autophagy (1) Biochemical Assay Reagents (1) Fluorescent Dye (15) Pim (1)
By Research Areas:	Cancer (3) Infection (1) Inflammation/Immunology (1)

Inhibitors & Agonists

Fluorescent Dyes

Peptides

Targets Recommended: HIF/HIF Prolyl-Hydroxylase Hormone-Sensitive Lipase (HSL) VAP-1

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-D1563

pH Receptor Probe 1 Publications Verification	Fluorescent Dye	Others
pH Receptor Probe is a pH-sensitive cyanine derivative and a environmental sensitive fluorophore. pH Receptor Probe has a pH-sensitive maximal absorption at 644 nm and emission at 664 nm. pH Receptor Probe has been used as a pH sensor of lysosomal compartments .

HY-D1094

Carboxy-SNARF 1 (5/6-mixture) 1 Publications Verification SNARF 1	Fluorescent Dye	Others
Carboxy-SNARF 1 (5/6-mixture) (SNARF 1) is a fluorescent probe that is sensitive to pH (Ex: 488 nm). Carboxy-SNARF 1 (5/6-mixture) can be used for measurement pH. Carboxy-SNARF 1 (5/6-mixture) exhibits a significant emission shift from yellow-orange (Em: 580 nm) to deep red fluorescence (Em: 640 nm) under acidic and basic conditions (pH=7-8), respectively .

HY-P10152

INF7	Biochemical Assay Reagents	Infection
INF7 is a derivative of the N-terminal domain of the HA2 protein and is sensitive to pH. INF7 disrupts the stability of endosomal membranes through a mechanism independent of membrane fusion. INF7 can be used to enhance the endosome escape of complex or liposome-encapsulated proteins. Co-encapsulation of INF7 and molecular imaging probes in liposomes can enhance intracellular signaling and probe retention .

HY-15940

5(6)-Carboxyfluorescein 5 Publications Verification 5(6)-FAM; 5-(and-6)-Carboxyfluorescein mixed isomers	Fluorescent Dye	Cancer
5(6)-Carboxyfluorescein (5(6)-FAM) is an amine-reactive pH-sensitive green fluorescent probe. 5(6)-Carboxyfluorescein (5(6)-FAM) can be used to label proteins, peptides and nucleotides. 5(6)-Carboxyfluorescein can be used for the detection of tumour areas in vivo .

HY-118155

9-Amino-6-chloro-2-methoxyacridine 2 Publications Verification ACMA	Fluorescent Dye	Others
9-Amino-6-chloro-2-methoxyacridine is a pH sensitive fluorescent probe. 9-Amino-6-chloro-2-methoxyacridine has been frequently used to measure changes in vacuolar pH when a specific substrate crosses the tonoplast through a putative H ⁺/solute antiport system .

HY-D0077

2',7'-Difluorofluorescein Oregon green 488	Fluorescent Dye	Others
2',7'-Difluorofluorescein (Oregon green 488) is a fluorescein derivative and a pH-sensitive fluorescent probe (pK_a ~4.7). Upon excitation at 488 nm, 2',7'-Difluorofluorescein exhibits pH-sensitive fluorescence intensity through the formation of dianions, while its pH sensitivity decreases under excitation at 450 nm, allowing its use in ratiometric pH analysis. 2',7'-Difluorofluorescein can be used for the quantitative analysis of pH values in the range of 2-7 in submicron aerosol particles. 2',7'-Difluorofluorescein undergoes buffer-mediated and buffer-free excited-state proton transfer between different protonated forms, and its cationic form undergoes rapid excited-state deprotonation. 2',7'-Difluorofluorescein is resistant to photodegradation, maintains stable absorption and fluorescence properties within the physiological pH range, and serves as a fluorescent protein label, a component of Ca ²⁺ indicators, a fluorescent imaging agent, and an anisotropy probe .

HY-W110898

Nile blue chloride	Fluorescent Dye	Others
Nile blue chloride is a highly fluorescent and photostable organic dye. Nile blue chloride and fluorescein isothiocyanate (FITC) can be used to construct a ratiometric pH sensitive probe for tracking the pH of the extracellular fluid between cancer cells in realtime. Nile Blue chloride has the potential for the research of nonlinear optics .

HY-124473

Naphthofluorescein NapHthafluorescein	HIF/HIF Prolyl-Hydroxylase	Cancer
Naphthofluorescein inhibits the interaction between HIF-1 and Mint3. Naphthofluorescein suppresses Mint3-dependent HIF-1 activity and glycolysis in cancer cells and macrophages without cytotoxicity in vitro and adverse effect in vivo . Naphthofluorescein is also a fluorescent pH-sensitive probe that can be used for functional Cerenkov imaging .

HY-D1457

DND-189	Fluorescent Dye	Others
DND-189, a low-pH fluorescent probe, is sensitive to neutral and low pH range. DND-189 can be used to measure the pH of acidic organelles .

HY-D1093

Carboxy SNARF-1, acetoxymethyl ester (5/6-mixture)	Fluorescent Dye	Others
Carboxy SNARF-1, acetoxymethyl ester (5/6-mixture) is a fluorescent probe that is sensitive to pH. Carboxy SNARF-1, acetoxymethyl ester (5/6-mixture) can be used for measurement of intracellular pH .

HY-DY1071

pH Receptor Probe (solution)	Fluorescent Dye	Others
pH Receptor Probe (solution) is a pH-sensitive cyanine derivative and a environmental sensitive fluorophore. pH Receptor Probe has a pH-sensitive maximal absorption at 644 nm and emission at 664 nm. pH Receptor Probe has been used as a pH sensor of lysosomal compartments . Solvent and concentration: DMSO: 10 mM

HY-157036

INSA	Fluorescent Dye	Others
INSA is a a pH-sensitive fluorescent probe. INSA can simultaneously light up mitochondria (red emission) and lysosomes (green emission) for their internal pH differences .

HY-20794

8-Hydroxyjulolidine	Fluorescent Dye	Others
8-Hydroxyjulolidine is a chromophore moiety of a fluorescent probe for the detection of weak acid ions. 8-Hydroxyjulolidine can be used to synthesize the salicylaldehyde derivative 9-formyl-8-hydroxyjulolidine, which exhibits sensitive detection ability to pH changes of hydrogen sulfide and silicate in aqueous solution .

HY-150175

HKSOX-1	Fluorescent Dye	Inflammation/Immunology
HKSOX-1 and its derivatives (HKSOX-1r and HKSOX-1m) are novel fluorescent probes designed for highly sensitive and selective detection of the superoxide anion radical (O₂ ^•−) in cellular environments. These probes utilize an aryl trifluoromethanesulfonate group that undergoes O₂ ^•−-mediated cleavage, releasing a free phenol and emitting fluorescence. They demonstrate excellent specificity and sensitivity across various pH ranges, withstand interference from strong oxidants and reductants typical in cellular contexts. HKSOX-1r, optimized for cellular retention, has been effectively employed in diverse assays including confocal imaging, flow cytometry, and zebrafish embryo studies, highlighting its utility in investigating O₂ ^•− roles in inflammation, mitochondrial stress, and other physiological processes .

HY-D1463

Nile Blue Methacrylamide	Fluorescent Dye	Others
Nile Blue Methacrylamide is a pH-responsive probe. Nile Blue Methacrylamide exhibits pH-sensitive absorption and fluorescence emission in the physiological pH range, with spectral shifts occurring between acidic and near-physiological pH conditions . (Ex/Em = 590/670-700 nm)

HY-147104

Fmoc-Lys(5-FITC)-OH	Fluorescent Dye	Others
Fmoc-Lys(5-FITC)-OH is a marker for polypeptides or proteins. FITC is a fluorescence probe for the labeling of amines. FITC is a pH- and Cu ²⁺-sensitive fluorescence dye .

HY-155717

NDBM	Autophagy Pim	Cancer
NDBM is a probe and binds to tumor-specific Pim-1 kinase, releases strong fluorescence, and produces cytotoxicity, thus achieving cell screening and killing effects. NDBM can specifically target lysosomes and sensitively respond to pH. NDBM can be used to track the pH changes in the intracellular environment under conditions of autophagy and external stimulation .

HY-D2998

ONOO-LysopH	Fluorescent Dye	Others
ONOO-LysopH is a new Rhodamine-based near-infrared fluorescent probe. ONOO-LysopH is acid-sensitive, exhibiting rapid near-infrared fluorescence enhancement around 686 nm under acidic pH conditions. ONOO-LysopH also displays a rapid NIR turn-on fluorescence around 678 nm for ONOO− at physiological pH. ONOO-LysopH can target lysosomes to track lysosomal pH changes and image endogenous/exogenous ONOO− in live cells. ONOO-LysopH is applicable for cell imaging ONOO− and tracking lysosomal pH changes .

Cat. No.	Product Name	Type

HY-D1563

pH Receptor Probe 1 Publications Verification	Fluorescent Dyes
pH Receptor Probe is a pH-sensitive cyanine derivative and a environmental sensitive fluorophore. pH Receptor Probe has a pH-sensitive maximal absorption at 644 nm and emission at 664 nm. pH Receptor Probe has been used as a pH sensor of lysosomal compartments .

HY-D1094

Carboxy-SNARF 1 (5/6-mixture) 1 Publications Verification SNARF 1	Fluorescent Dyes
Carboxy-SNARF 1 (5/6-mixture) (SNARF 1) is a fluorescent probe that is sensitive to pH (Ex: 488 nm). Carboxy-SNARF 1 (5/6-mixture) can be used for measurement pH. Carboxy-SNARF 1 (5/6-mixture) exhibits a significant emission shift from yellow-orange (Em: 580 nm) to deep red fluorescence (Em: 640 nm) under acidic and basic conditions (pH=7-8), respectively .

HY-15940

5(6)-Carboxyfluorescein 5 Publications Verification 5(6)-FAM; 5-(and-6)-Carboxyfluorescein mixed isomers	Fluorescent Dyes
5(6)-Carboxyfluorescein (5(6)-FAM) is an amine-reactive pH-sensitive green fluorescent probe. 5(6)-Carboxyfluorescein (5(6)-FAM) can be used to label proteins, peptides and nucleotides. 5(6)-Carboxyfluorescein can be used for the detection of tumour areas in vivo .

HY-118155

9-Amino-6-chloro-2-methoxyacridine 2 Publications Verification ACMA	Fluorescent Dyes
9-Amino-6-chloro-2-methoxyacridine is a pH sensitive fluorescent probe. 9-Amino-6-chloro-2-methoxyacridine has been frequently used to measure changes in vacuolar pH when a specific substrate crosses the tonoplast through a putative H ⁺/solute antiport system .

HY-D1457

DND-189	Fluorescent Dyes
DND-189, a low-pH fluorescent probe, is sensitive to neutral and low pH range. DND-189 can be used to measure the pH of acidic organelles .

HY-D1093

Carboxy SNARF-1, acetoxymethyl ester (5/6-mixture)	Fluorescent Dyes
Carboxy SNARF-1, acetoxymethyl ester (5/6-mixture) is a fluorescent probe that is sensitive to pH. Carboxy SNARF-1, acetoxymethyl ester (5/6-mixture) can be used for measurement of intracellular pH .

HY-DY1071

pH Receptor Probe (solution)	Fluorescent Dyes
pH Receptor Probe (solution) is a pH-sensitive cyanine derivative and a environmental sensitive fluorophore. pH Receptor Probe has a pH-sensitive maximal absorption at 644 nm and emission at 664 nm. pH Receptor Probe has been used as a pH sensor of lysosomal compartments . Solvent and concentration: DMSO: 10 mM

HY-157036

INSA	Fluorescent Dyes
INSA is a a pH-sensitive fluorescent probe. INSA can simultaneously light up mitochondria (red emission) and lysosomes (green emission) for their internal pH differences .

HY-D1463

Nile Blue Methacrylamide	Fluorescent Dyes
Nile Blue Methacrylamide is a pH-responsive probe. Nile Blue Methacrylamide exhibits pH-sensitive absorption and fluorescence emission in the physiological pH range, with spectral shifts occurring between acidic and near-physiological pH conditions . (Ex/Em = 590/670-700 nm)

HY-D2998

ONOO-LysopH	Fluorescent Dyes
ONOO-LysopH is a new Rhodamine-based near-infrared fluorescent probe. ONOO-LysopH is acid-sensitive, exhibiting rapid near-infrared fluorescence enhancement around 686 nm under acidic pH conditions. ONOO-LysopH also displays a rapid NIR turn-on fluorescence around 678 nm for ONOO− at physiological pH. ONOO-LysopH can target lysosomes to track lysosomal pH changes and image endogenous/exogenous ONOO− in live cells. ONOO-LysopH is applicable for cell imaging ONOO− and tracking lysosomal pH changes .

ONOO-LysopH

Fluorescent Dyes

ONOO-LysopH is a new Rhodamine-based near-infrared fluorescent probe. ONOO-LysopH is acid-sensitive, exhibiting rapid near-infrared fluorescence enhancement around 686 nm under acidic pH conditions. ONOO-LysopH also displays a rapid NIR turn-on fluorescence around 678 nm for ONOO− at physiological pH. ONOO-LysopH can target lysosomes to track lysosomal pH changes and image endogenous/exogenous ONOO− in live cells. ONOO-LysopH is applicable for cell imaging ONOO− and tracking lysosomal pH changes .

Cat. No.	Product Name	Target	Research Area

HY-P10152

INF7	Biochemical Assay Reagents	Infection
INF7 is a derivative of the N-terminal domain of the HA2 protein and is sensitive to pH. INF7 disrupts the stability of endosomal membranes through a mechanism independent of membrane fusion. INF7 can be used to enhance the endosome escape of complex or liposome-encapsulated proteins. Co-encapsulation of INF7 and molecular imaging probes in liposomes can enhance intracellular signaling and probe retention .

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