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Results for "

turn-on

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Fluorescent Dye (11) Reactive Oxygen Species (1) UGT (1)
By Research Areas:	Infection (1) Inflammation/Immunology (1) Metabolic Disease (2) Neurological Disease (2)

Inhibitors & Agonists

Fluorescent Dye

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-D1256

Msr-blue	Fluorescent Dye	Neurological Disease Metabolic Disease
Msr-blue is a first turn-on fluorescent probe for methionine sulfoxide reductase with a more than 100-fold fluorescence increment. Msr-blue is used for monitoring the enzyme activity in live cells (λex=340 nm, λem=440 nm) .

HY-129420

WSP-5	Fluorescent Dye	Others
WSP-5 is a fluorescent probe for fast detection of H₂S in biological samples and cells. WSP-5 selectively and rapidly reacts with H₂S and exhibits fluorescence through a reaction-based fluorescent turn-on strategy.

HY-D1262

BODIPY-TS Thiol-green 2	Fluorescent Dye	Others
BODIPY-TS (Thiol-green 2) is a fast response and thiol-specific turn-on probe. BODIPY-TS utilizes the thiosulfonate scaffold as a thiol recognition unit. BODIPY-TS has low toxicity, and features high selectivity, low detection limit, and quantitative reaction to thiols . Ex: 490 nM; Em: 515 nM.

HY-D1261

Naph-EA-mal 1 Publications Verification Thiol-green 1	Fluorescent Dye	Others
Naph-EA-mal (Thiol-green 1) is a rapid detect and ultrafast turn-on thiol fluorescence probe for protein labeling and bioimaging. Naph-EA-mal (Thiol-green 1) can be used to detect thiols in living cells, label the protein thiols, quantify the concentration of total thiols in cell lysate, and determine the reversible protein thiols oxidation in fixed cells . Ex: 488 nM; Em: 540 nM.

HY-D2264

Caffeine orange	Fluorescent Dye	Others
Caffeine orange (Compound 1) is an aqueous-phase fluorescence turn-on sensor for caffeine that is highly selective to caffeine. Caffeine orange makes caffeinated coffee appear orange when exposed to 532 nM of green excitation light. Caffeine orange has excellent photophysical properties such as high extinction coefficient, high light stability and narrow emission bandwidth, which can be used in the research of caffeine detection devices 。

HY-D1065

NIR-H2O2	Fluorescent Dye	Inflammation/Immunology
NIR-H2O2 is a cell-permeable near-infrared (NIR) fluorescent turn-on sensor. NIR-H2O2 has both absorption and emission in the NIR region. NIR-H2O2 responds to H₂O₂ with a large turn-on NIR fluorescence signal upon excitation in the NIR region. NIR-H2O2 is capable of imaging endogenously produced H₂O₂ in living cells and mice .

HY-D1395

RH-EDA	Reactive Oxygen Species	Others
RH-EDA is a rhodamine-based turn-on fluorescent probe for detecting hydroxyl radicals in living systems.

HY-D1066

NIR-Thiol dinitrobenzenesulfonate	Fluorescent Dye	Others
NIR-Thiol dinitrobenzenesulfonate has both absorption and emission in the NIR region. NIR-Thiol dinitrobenzenesulfonate responds to thiol with a large turn-on NIR fluorescence signal upon excitation in the NIR region. NIR-Thiol dinitrobenzenesulfonate is capable of imaging endogenously produced thiol in living cells and mice .

HY-D1259

NEP VDP-green (NEP)	Fluorescent Dye	Neurological Disease
NEP (VDP-green (NEP)) is a turn-on fluorescent probe based on the intramolecular charge transfer (ICT) mechanism for sensing vicinal dithiol-containing proteins (VDPs). NEP exhibits high selectivity toward VDPs in live cells and in vivo and displays a strong green fluorescence signal (λ_ex/λ_em=430/535 nm). NEP has the potential for parkinsonism .

HY-112526

Thiofluor 623	Fluorescent Dye	Others
Thiofluor 623 (Compound 3) is a fluorescent turn-on probe that can be used for the selective sensing and bioimaging of thiols. Thiofluor 623 displays excellent immunity to interference from nitrogen and oxygen nucleophiles. Thiofluor 623 is essentially nonfluorescent in the absence of thiols, which cleave the probe and release the red-emissive donor-acceptor fluorophore (Ex=563 nm, Em=623 nm) .

HY-143285

AMC-GlcNAc	Fluorescent Dye	Infection
AMC-GlcNAc (compound 1) is a potent fluorogenic probe for detection and characterization of β-hexosaminidase enzyme activity. AMC-GlcNAc enables continuous monitoring by turn-on fluorescence and fluorescence signal is constant over a wide pH range (Ex=325 nm, Em=390 nm). AMC-GlcNAc enables ratiometric fluorescence detection with high sensitivity and low background, which can be used to screen for recombinant dispersin B activity in E. coli cell lysate .

HY-130783

LysoFP-NO2	Fluorescent Dye	Others
LysoFP-NO2 is a turn-on fluorescent probe for carbon monoxide (CO) that localizes to the lysosome. In the presence of lysosomal CO, lysoFP-NO2 is transformed into lysoFP-NH2, which is highly fluorescent. LysoFP-NO2 is selective for CO over various reactive nitrogen, oxygen, and sulfur species. It displays excitation/emission maxima of 440/528 nm, respectively, and is not cytotoxic to HepG2 cells for up to five hours when used at a concentration of 30 μM.

HY-160250

UGT1A1-IN-1	UGT	Metabolic Disease
UGT1A1-IN-1 (compound 2) is a non-competitive inhibitor of UGT1A1, which can inhibit the 1-O-glucuronidation process mediated by UGT1A1 with a K_i value of 5.02 μM. UGT1A1-IN-1 (compound 2) can bind on UGT1A1 at the same ligand-binding site as bilirubin (HY-N0323). UGT1A1-IN-1 can serve as a ‘turn-on’ fluorescent probe substrate for UGT1A1 .

Cat. No.	Product Name	Type

HY-D1256

Msr-blue	Fluorescent Dyes/Probes
Msr-blue is a first turn-on fluorescent probe for methionine sulfoxide reductase with a more than 100-fold fluorescence increment. Msr-blue is used for monitoring the enzyme activity in live cells (λex=340 nm, λem=440 nm) .

HY-129420

WSP-5	Fluorescent Dyes/Probes
WSP-5 is a fluorescent probe for fast detection of H₂S in biological samples and cells. WSP-5 selectively and rapidly reacts with H₂S and exhibits fluorescence through a reaction-based fluorescent turn-on strategy.

HY-D1262

BODIPY-TS Thiol-green 2	Fluorescent Dyes/Probes
BODIPY-TS (Thiol-green 2) is a fast response and thiol-specific turn-on probe. BODIPY-TS utilizes the thiosulfonate scaffold as a thiol recognition unit. BODIPY-TS has low toxicity, and features high selectivity, low detection limit, and quantitative reaction to thiols . Ex: 490 nM; Em: 515 nM.

HY-D1261

Naph-EA-mal 1 Publications Verification Thiol-green 1	Fluorescent Dyes/Probes
Naph-EA-mal (Thiol-green 1) is a rapid detect and ultrafast turn-on thiol fluorescence probe for protein labeling and bioimaging. Naph-EA-mal (Thiol-green 1) can be used to detect thiols in living cells, label the protein thiols, quantify the concentration of total thiols in cell lysate, and determine the reversible protein thiols oxidation in fixed cells . Ex: 488 nM; Em: 540 nM.

HY-D2264

Caffeine orange	Fluorescent Dyes/Probes
Caffeine orange (Compound 1) is an aqueous-phase fluorescence turn-on sensor for caffeine that is highly selective to caffeine. Caffeine orange makes caffeinated coffee appear orange when exposed to 532 nM of green excitation light. Caffeine orange has excellent photophysical properties such as high extinction coefficient, high light stability and narrow emission bandwidth, which can be used in the research of caffeine detection devices 。

Caffeine orange

Fluorescent Dyes/Probes

Caffeine orange (Compound 1) is an aqueous-phase fluorescence turn-on sensor for caffeine that is highly selective to caffeine. Caffeine orange makes caffeinated coffee appear orange when exposed to 532 nM of green excitation light. Caffeine orange has excellent photophysical properties such as high extinction coefficient, high light stability and narrow emission bandwidth, which can be used in the research of caffeine detection devices 。

HY-D1065

NIR-H2O2	Fluorescent Dyes/Probes
NIR-H2O2 is a cell-permeable near-infrared (NIR) fluorescent turn-on sensor. NIR-H2O2 has both absorption and emission in the NIR region. NIR-H2O2 responds to H₂O₂ with a large turn-on NIR fluorescence signal upon excitation in the NIR region. NIR-H2O2 is capable of imaging endogenously produced H₂O₂ in living cells and mice .

HY-D1066

NIR-Thiol dinitrobenzenesulfonate	Fluorescent Dyes/Probes
NIR-Thiol dinitrobenzenesulfonate has both absorption and emission in the NIR region. NIR-Thiol dinitrobenzenesulfonate responds to thiol with a large turn-on NIR fluorescence signal upon excitation in the NIR region. NIR-Thiol dinitrobenzenesulfonate is capable of imaging endogenously produced thiol in living cells and mice .

HY-D1259

NEP VDP-green (NEP)	Fluorescent Dyes/Probes
NEP (VDP-green (NEP)) is a turn-on fluorescent probe based on the intramolecular charge transfer (ICT) mechanism for sensing vicinal dithiol-containing proteins (VDPs). NEP exhibits high selectivity toward VDPs in live cells and in vivo and displays a strong green fluorescence signal (λ_ex/λ_em=430/535 nm). NEP has the potential for parkinsonism .

HY-112526

Thiofluor 623	Fluorescent Dyes/Probes
Thiofluor 623 (Compound 3) is a fluorescent turn-on probe that can be used for the selective sensing and bioimaging of thiols. Thiofluor 623 displays excellent immunity to interference from nitrogen and oxygen nucleophiles. Thiofluor 623 is essentially nonfluorescent in the absence of thiols, which cleave the probe and release the red-emissive donor-acceptor fluorophore (Ex=563 nm, Em=623 nm) .

HY-143285

AMC-GlcNAc	Fluorescent Dyes/Probes
AMC-GlcNAc (compound 1) is a potent fluorogenic probe for detection and characterization of β-hexosaminidase enzyme activity. AMC-GlcNAc enables continuous monitoring by turn-on fluorescence and fluorescence signal is constant over a wide pH range (Ex=325 nm, Em=390 nm). AMC-GlcNAc enables ratiometric fluorescence detection with high sensitivity and low background, which can be used to screen for recombinant dispersin B activity in E. coli cell lysate .

AMC-GlcNAc

Fluorescent Dyes/Probes

AMC-GlcNAc (compound 1) is a potent fluorogenic probe for detection and characterization of β-hexosaminidase enzyme activity. AMC-GlcNAc enables continuous monitoring by turn-on fluorescence and fluorescence signal is constant over a wide pH range (Ex=325 nm, Em=390 nm). AMC-GlcNAc enables ratiometric fluorescence detection with high sensitivity and low background, which can be used to screen for recombinant dispersin B activity in E. coli cell lysate .

HY-149203

MQA-P	Fluorescent Dyes/Probes
MQA-P is a multifunctional near-infrared (NIR) fluorescent probe for simultaneously detecting ONOO ^-, viscosity, and polarity within mitochondria. MQA-P exhibits a remarkable turn-on response to ONOO ^- (λ_em=645 nm) and is highly sensitive to viscosity/polarity in the NIR channel with λ_em>704 nm. MQA-P exhibits excited-state intramolecular charge transfer (ESICT) feature that is highly polarity-sensitive by engineering N,N-dimethylamino as the electron donor and a quinoline cationic unit as the electron acceptor. MQA-P is used for ferroptosis or cancer diagnosis in vitro and in vivo via dual-channel images .

MQA-P

Fluorescent Dyes/Probes

MQA-P is a multifunctional near-infrared (NIR) fluorescent probe for simultaneously detecting ONOO ^-, viscosity, and polarity within mitochondria. MQA-P exhibits a remarkable turn-on response to ONOO ^- (λ_em=645 nm) and is highly sensitive to viscosity/polarity in the NIR channel with λ_em>704 nm. MQA-P exhibits excited-state intramolecular charge transfer (ESICT) feature that is highly polarity-sensitive by engineering N,N-dimethylamino as the electron donor and a quinoline cationic unit as the electron acceptor. MQA-P is used for ferroptosis or cancer diagnosis in vitro and in vivo via dual-channel images .

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