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turn-on

" in MedChemExpress (MCE) Product Catalog:

18

Inhibitors & Agonists

12

Fluorescent Dye

1

Biochemical Assay Reagents

Targets Recommended:
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) .
    Msr-blue
  • 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.
    WSP-5
  • 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.
    BODIPY-TS
  • 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 .
    Caffeine orange
  • 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 .
    NIR-H2O2
  • HY-D1395
    RH-EDA

    		Reactive Oxygen Species (ROS) Others
    RH-EDA is a rhodamine-based turn-on fluorescent probe for detecting hydroxyl radicals in living systems.
    RH-EDA
  • 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 .
    NIR-Thiol dinitrobenzenesulfonate
  • 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 (λex/λem=430/535 nm). NEP has the potential for parkinsonism .
    NEP
  • 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) .
    Thiofluor 623
  • HY-172333
    HCy-Lyso

    		Fluorescent Dye Others
    HCy-Lyso is a lysosome-targeting turn-on fluorescent probe based on hydrocyanine. HCy-Lyso integrates a hydrocyanine moiety for selective recognition of hydroxyl radicals (•OH) and a morpholine group for lysosome targeting. Upon reacting with •OH, HCy-Lyso undergoes an extension of its π-conjugation system, producing a strong fluorescence signal at 598 nm when excited at 510 nm .
    HCy-Lyso
  • 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.
    Naph-EA-mal
  • HY-W005148
    3-Amino-2-naphthoic acid

    		Biochemical Assay Reagents Others
    3-Amino-2-naphthoic acid is a derivative of naphthalene and can be used to synthesize other compounds. 3-Amino-2-naphthoic acid is commonly used as the base material for synthesizing various dyes and pigments. 3-Amino-2-naphthoic acid has been developed as a "turn-on" fluorescence probe for the specific detection of the cyanate anion (CNO -) .
    3-Amino-2-naphthoic acid
  • HY-176513
    Cy-OH-LP

    		Fluorescent Dye Others
    Cy-OH-LP is a turn-on fluorescent and photoacoustic probe that can detect lipid-associated hydroxyl radicals. Cy-OH-LP can be oxidized to Cy7 in the presence of hydroxyl radicals, which displays weak fluorescent and photoacoustic signals in water-soluble environments and strong fluorescent and photoacoustic signals in lipid-rich environments due to its lipid solubility. Cy-OH-LP can be used for in vivo photoacoustic imaging of hydroxyl radicals .
    Cy-OH-LP
  • 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 .
    AMC-GlcNAc
  • 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.
    LysoFP-NO2
  • HY-129109
    NBD-Pen

    		Fluorescent Dye Inflammation/Immunology Cancer
    NBD-Pen is the first fluorescence probe for lipid radicals with high selectivity and sensitivity (λex: 470 nm, λem: 530 nm). NBD-Pen specifically detects lipid derived radicals over other reactive species present in biological systems, including H2O2, ClO -, O2 -∙, and ∙OH. NBD-Pen directly detects lipid radicals in living cells by turn-on fluorescence. NBD-Pen decreases inflammation, apoptosis, and oxidative stress markers. NBD-Pen can be studied in various disease models such as hepatic carcinoma .
    NBD-Pen
  • 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 Ki 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 .
    UGT1A1-IN-1
  • HY-149203
    MQA-P

    		Fluorescent Dye Others
    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 - (λem=645 nm) and is highly sensitive to viscosity/polarity in the NIR channel with λem>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

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