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Results for "

quencher

" in MedChemExpress (MCE) Product Catalog:

47

Inhibitors & Agonists

21

Fluorescent Dye

3

Biochemical Assay Reagents

12

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3

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1

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Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-P2536
    Mca-Ala-Pro-Lys(Dnp)-OH

    		Angiotensin-converting Enzyme (ACE) Others
    Mca-Ala-Pro-Lys(Dnp)-OH, a specific ACE2 quenched fluorogenic substrate, can be used to detect ACE2 activity, such as urinary, heart and lung .
    Mca-Ala-Pro-Lys(Dnp)-OH
  • HY-D1045
    Dabcyl acid

    DABCYL; Para-methyl red

    		 Fluorescent Dye Others
    Dabcyl acid (Dabcyl) is the original dark fluorescence quencher.
    Dabcyl acid
  • HY-123630
    Allura Red AC

    FD&C RED NO. 40; CI 16035

    		 Fluorescent Dye Others
    Allura Red AC, a food colourant, is dark red and water-soluble powder or granules used in various applications, such as in drinks, syrups, sweets and cereals. Allura Red AC has the ability to quench the intrinsic fluorescence of HSA through static quenching .
    Allura Red AC
  • HY-P4931
    Mca-Lys-Pro-Leu-Gly-Leu-Dap(Dnp)-Ala-Arg-NH2

    Mca-Lys-Pro-Leu-Gly-Leu-Dpa-Ala-Arg-NH2

    		 MMP Cancer
    Mca-Lys-Pro-Leu-Gly-Leu-Dap(Dnp)-Ala-Arg-NH2 (FS-6) is a fluorescent peptide that is a quenched MMP peptide substrate. Mca-Lys-Pro-Leu-Gly-Leu-Dap(Dnp)-Ala-Arg-NH2 can be used for real-time quantification of MMP enzymatic activity. Mca-Lys-Pro-Leu-Gly-Leu-Dap(Dnp)-Ala-Arg-NH2 is an elongated peptide of MMP substrate (FS-1) and is active against collagenases (MMP-1, MMP-8, MMP-13 ) and MT1-MMP with higher specificity constants than FS-1 . (Ex/Em=325 nm/400 nm)
    Mca-Lys-Pro-Leu-Gly-Leu-Dap(Dnp)-Ala-Arg-NH2
  • HY-D1080
    EDANS
    1 Publications Verification

    1,5-EDANS

    		 Fluorescent Dye Others
    EDANS (1,5-EDANS) is a novel and quenched fluorogenic substrate for assaying retroviral protease by resonance energy transfer (RET) .
    EDANS
  • HY-D1663
    APTAB

    		Fluorescent Dye Others
    APTAB is a fluorescent cationic membrane probe. APTAB locates the anthracene-labeled molecules incorporated into model membranes by fluorescence quenching .
    APTAB
  • HY-D1045A
    Dabcyl acid sodium

    DABCYL sodium; Para-methyl red sodium

    		 Fluorescent Dye Others
    Dabcyl acid sodium (DABCYL sodium) is a nonfluorescent chromophore and a quencher. Dabcyl acid sodium can be used as molecular beacon nucleic acid probes to recognize and report the presence of specific nucleic acids in homogeneous solutions .
    Dabcyl acid sodium
  • HY-149931
    BMV109

    		Fluorescent Dye Cancer
    BMV109 is a quenched probe that becomes fluorescent when cleaved and covalently bound by active cathepsin proteases. BMV109 can be exploited for tumor imaging .
    BMV109
  • HY-117245
    Pallidol

    		Reactive Oxygen Species Fungal Others
    Pallidol is a potent and selective singlet oxygen quencher. Pallidol shows antioxidant and antifungal activities .
    Pallidol
  • HY-123630R
    Allura Red AC (Standard)

    		Fluorescent Dye Others
    Allura Red AC (Standard) is the analytical standard of Allura Red AC. This product is intended for research and analytical applications. Allura Red AC, a food colourant, is dark red and water-soluble powder or granules used in various applications, such as in drinks, syrups, sweets and cereals. Allura Red AC has the ability to quench the intrinsic fluorescence of HSA through static quenching .
    Allura Red AC (Standard)
  • HY-153770
    DHPN

    		Biochemical Assay Reagents Others
    DHPN is a reversible carrier of singlet oxygen ( 1O2) and can be used as a chemical and physical quencher of 1O2 .
    DHPN
  • HY-P4920
    Mca-SEVNLDAEFK(Dnp)-NH2

    		Fluorescent Dye Others
    Mca-SEVNLDAEFK(Dnp)-NH2 contains a highly fluorescent 7-methoxycoumarin group that is efficiently quenched by resonance energy transfer to the 2,4-dinitrophenyl group. It can be used to measure the activities of peptidases that are capable of cleaving an amide bond between the fluorescent group and the quencher group, causing an increase in fluorescence, such as can be used to measure the activity of BACE-1 .
    Mca-SEVNLDAEFK(Dnp)-NH2
  • HY-D0040
    Calcein
    Maximum Cited Publications
    6 Publications Verification

    Fluorexon

    		 Fluorescent Dye Others
    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
  • HY-P1853
    Abz-FR-K(Dnp)-P-OH

    		Angiotensin-converting Enzyme (ACE) Cardiovascular Disease
    Abz-FR-K(Dnp)-P-OH is an angiotensin I-converting enzyme (ACE) substrate and an internally quenched fluorogenic substrate for real time fluorescent assay .
    Abz-FR-K(Dnp)-P-OH
  • HY-126965
    Lipid Y

    		Others Others
    Lipid Y is a potent monosaccharide which contains two bromines per chain. lipid Y binds to a tryptophan residue in a membrane protein and then quenches the fluorescence of the tryptophan residue .
    Lipid Y
  • HY-D1030
    Fluorescein Biotin

    		Fluorescent Dye Inflammation/Immunology
    Fluorescein Biotin is used as an alternative to radioactive biotin for detecting and quantitating biotin-binding sites by either fluorescence or absorbance; the the fluorescence or absorbance of Fluorescein Biotin is quenched, upon binding to avidin or streptavidin.
    Fluorescein Biotin
  • HY-P4919
    Mca-SEVNLDAEFK(Dnp)

    		Beta-secretase Others
    Mca-SEVNLDAEFK(Dnp) is a Beta-secretase 1 (BACE-1) peptide FRET substrate, containing the 'Swedish' Lys-Met/Asn-Leu mutation of the amyloid precursor protein (APP) β-secretase cleavage site. Cleavage at -Leu-Asp- of Mca-SEVNLDAEFK(Dnp) liberates the highly fluorescent 7-methoxycoumarin (Mca) fragment from the proximity quenching effect of the 2,4-dinitrophenyl (Dnp) internal quencher resulting in a large and easily detectable increase in fluorescence intensity.
    Mca-SEVNLDAEFK(Dnp)
  • HY-N12698
    (9Z)-Antheraxanthin

    		Others Others
    (9Z)-Antheraxanthin is a carotenoid and can be isolated from K. antarctica .
    (9Z)-Antheraxanthin
  • HY-W012642A
    2-Aminopurine dihydrochloride

    		DNA Stain Others
    2-Aminopurine dihydrochloride is a fluorescent analog of guanosine. 2-Aminopurine dihydrochloride can be used as a fluorescence probe for nucleic acid structure and dynamics. Incorporating 2-Aminopurine dihydrochloride into DNA quenches its fluorescence .
    2-Aminopurine dihydrochloride
  • HY-118213
    N-(2-Hydroxyethyl)-1,8-naphthalimide

    		Fluorescent Dye Others
    N-(2-Hydroxyethyl)-1,8-naphthalimide is a fluorescent probe for detecting nucleic acids and their precursors. The fluorescence of N-(2-Hydroxyethyl)-1,8-naphthalimide will be quenched by these molecules.
    N-(2-Hydroxyethyl)-1,8-naphthalimide
  • HY-163204
    RhQ-DMB

    		P-glycoprotein Cancer
    RhQ-DMB is a potent inhibitor of P-gp. RhQ-DMB exhibits high affinity and inhibitory activity in yeast strains expressing CmABCB1 .
    RhQ-DMB
  • HY-D1080R
    EDANS (Standard)

    1,5-EDANS (Standard)

    		 Fluorescent Dye Others
    EDANS (1,5-EDANS) (Standard) is an analytical standard for EDANS. This product is intended for research and analytical applications. EDANS (1,5-EDANS) is a novel quenched fluorogenic substrate for the analysis of retroviral proteases by resonance energy transfer .
    EDANS (Standard)
  • HY-D1049
    DNP-X acid

    6-((2,4-Dinitrophenyl)amino)hexanoic acid

    		 Fluorescent Dye Metabolic Disease
    DNP-X acid (6-((2,4-Dinitrophenyl)amino)hexanoic acid), an amine-reactive building block for developing a probe, can be recognized by anti-DNP antibodies. DNP-X acid is also an excellent amine-reactive FRET quencher paired with Trp or Tyr.
    DNP-X acid
  • HY-P10163
    α-Secretase Substrate II, Fluorogenic

    		Fluorescent Dye Others
    α-Secretase Substrate II, Fluorogenic is an internally quenched fluorogenic peptide substrate for α-Secretase that contains the α-secretase cleavage site of β-Amyloid precursor protein (APP) .Ex/Em = 340/490 nm
    α-Secretase Substrate II, Fluorogenic
  • HY-155786
    3,7-DMF

    		TGF-beta/Smad Others
    3,7-DMF is an orally active inhibitor of TGF-β1-induced activation of HSCs. 3,7-DMF induces antioxidant genes and quenches ROS away, which can be used to study liver fibrosis .
    3,7-DMF
  • HY-D0720
    Lucigenin
    5 Publications Verification

    NSC-151912; L-6868

    		 Fluorescent Dye Reactive Oxygen Species Others
    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 .
    Lucigenin
  • HY-118159
    Diphenyl-1-pyrenylphosphine

    DPPP

    		 Reactive Oxygen Species Others
    Diphenyl-1-pyrenylphosphine (DPPP) is a fluoregenic peroxide reactive probe. Diphenyl-1-pyrenylphosphine exhibits a unique phototriggered aggregation-induced emission (AIE)/aggregation-induced quenching (ACQ) transition with a remarkable third-order nonlinear optical signal change .
    Diphenyl-1-pyrenylphosphine
  • HY-126823
    Phen Green SK diacetate (5/6-mixture)
    5 Publications Verification

    PGSK diacetate (5/6-mixture)

    		 Fluorescent Dye Others
    Phen green SK (PGSK) diacetate is a fluorescent heavy metal indicator that reacts with a variety of metal ions, including Fe2+, Cd2+, Co2+, Ni2+, Zn2+. PGSK diacetate displays excitation/emission maxima of 507/532 nm, respectively, and fluorescence is quenched upon interaction with metal ions
    Phen Green SK diacetate (5/6-mixture)
  • HY-W012642
    2-Aminopurine

    		DNA Stain Others
    2-Aminopurine, a fluorescent analog of guanosine and adenosine, is a widely used fluorescence-decay-based probe of DNA structure. When 2-Aminopurine is inserted in anoligonucleotide, its fluorescence is highly quenched by stacking with the natural bases. 2-Aminopurine has been used to probe nucleic acid structure and dynamics .
    2-Aminopurine
  • HY-D1682
    NFQ1

    		Fluorescent Dye Others
    NFQ1 is a non-fluorescent quencher (absorption wavelength: 474 nm), and is used for a new type of One Sample Fluorescence Resonance Energy Transfer (OS-FRET) method. OS-FRET enable measurement of unquenched donor emission in the same sample. NFQ1 shows broad absorption spectrum ensuring its utility as a dark acceptor for many donors .
    NFQ1
  • HY-D1050
    DNP-X, SE
    1 Publications Verification

    6-(2,4-Dinitrophenyl)aminohexanoic acid, succinimidyl ester

    		 Fluorescent Dye Metabolic Disease
    DNP-X, SE (6-(2,4-Dinitrophenyl)aminohexanoic acid, succinimidyl ester), the DNP-X acid modified by succinimidyl ester, is an amine-reactive building block for developing a probe, which can be recognized by anti-DNP antibodies. DNP-X, SE (6-(2,4-Dinitrophenyl)aminohexanoic acid, succinimidyl ester) is also an excellent amine-reactive FRET quencher paired with Trp or Tyr.
    DNP-X, SE
  • HY-158235
    Tyrosinase-IN-27

    		Tyrosinase Others
    Tyrosinase-IN-27 (compound 6f) is a tyrosinase (TYR) inhibitor (IC50: 0.88 μM) that statically quenches TYR. Tyrosinase-IN-27 increases the hydrophobicity of the enzyme microenvironment by binding to TYR, reducing the content of α-helices in the enzyme and changing its secondary structure. Tyrosinase-IN-27 can be used in the food industry to effectively inhibit the browning of lotus root slices .
    Tyrosinase-IN-27
  • HY-P1883
    Bacterial Sortase Substrate III, Abz/DNP

    		Fluorescent Dye Infection
    Bacterial Sortase Substrate III, Abz/DNP is an internally quenched fluorescent peptide substrate. Staphylococcus aureus transpeptidase sortase A (SrtA) reacts with its native substrate Bacterial Sortase Substrate III, Abz/DNP, cleaving it and catalyzing the formation of an amide bond between the carboxyl group of threonine and the amino group of cell-wall crossbridges. Cleavage of this substrate can be monitored at Ex/Em=320 nm/420 nm.
    Bacterial Sortase Substrate III, Abz/DNP
  • HY-P3749
    Mca-(ala7,lys(dnp)9)-bradykinin

    		Fluorescent Dye Others
    Mca-(ala7,lys(dnp)9)-bradykinin is a sensitive fluorogenic substrate for ECE-1 (endothelin-converting enzyme-1). The incorporation of a (7-methoxycoumarin-4-yl)acetyl (Mca) fluorescent group and a 2,4-dinitrophenyl (Dnp) quenching group has resulted in a large fluorescence increase upon substrate cleavage .
    Mca-(ala7,lys(dnp)9)-bradykinin
  • HY-W013205
    Bis(4-nitrophenyl) phosphate

    		Biochemical Assay Reagents Others
    Bis(4-nitrophenyl) phosphate is a catalyst for metal micelles and can catalyze the hydrolysis of (4-nitrophenyl) phosphate. Bis(4-nitrophenyl) phosphate is also an effective catalyst for ring-opening polymerization (ROP), which can achieve controlled polymerization of β-butyrolactone (β-BL) ring-opening and can be used to prepare diembedded polymers without quenching. segment copolymer .
    Bis(4-nitrophenyl) phosphate
  • HY-P1883A
    Bacterial Sortase Substrate III, Abz/DNP TFA

    		Fluorescent Dye Infection
    Bacterial Sortase Substrate III, Abz/DNP TFA is an internally quenched fluorescent peptide substrate. Staphylococcus aureus transpeptidase sortase A (SrtA) reacts with its native substrate Bacterial Sortase Substrate III, Abz/DNP, cleaving it and catalyzing the formation of an amide bond between the carboxyl group of threonine and the amino group of cell-wall crossbridges. Cleavage of this substrate can be monitored at Ex/Em=320 nm/420 nm.
    Bacterial Sortase Substrate III, Abz/DNP TFA
  • HY-D1590
    BODIPY Green 8-P2M

    		Fluorescent Dye Others
    ODIPY Green 8-P2M is a novel thiol-reactive fluorescence probe based on the BODIPY fluorophore, the fluorescence is strongly quenched by d-PeT and then can be restored after reaction with thiol, resulting in an extremely high signal-to-noise ratio. ODIPY Green 8-P2M can be useful for detecting extremely low concentrations of protein in the gel after SDS-PAGE .
    BODIPY Green 8-P2M
  • HY-D2365
    QSY 21 NHS

    		Fluorescent Dye Others
    QSY 21 NHS, a dark quencher is an efficient energy transfer acceptor of the far red and NIR fluorescent probes. QSY 21 NHS works in the wavelength range of 540-750 nm, and is frequently used in FRET applications. QSY 21 NHS does not emit fluorescence in normal conditions. NHS esters can be used to label the primary amines (R-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules .
    QSY 21 NHS
  • HY-W142692
    Dodecyl β-D-glucopyranoside

    		Biochemical Assay Reagents Others
    Dodecyl β-D-glucopyranoside is a non-ionic detergent and surfactant commonly used to solubilize and purify membrane proteins in biochemical research. Dodecyl β-D-glucopyranoside also interacts with bovine serum albumin (BSA) to quench its intrinsic fluorescence. The critical micelle concentration (CMC) of Dodecyl β-D-glucopyranoside (DG) and DG/BSA complex is 2.0 mM and 2.34 mM, respectively. Micelles can be formed in aqueous solutions above this concentration .
    Dodecyl β-D-glucopyranoside
  • HY-160062
    S2.2 aptamer sodium

    		Mucin Cancer
    S2.2 aptamer sodium is a nucleic acid aptamer targeting the mucin MUC1 and can be used for targeted imaging of MCF-7 cancer cells. S2.2 aptamer sodium was labeled with Cy5, and when fluorescent silicon nanodots (SiND) were present, the fluorescence was quenched; when MUC1 was also present, the fluorescence was restored. S2.2 aptamer sodium detects MUC1 with a linear range of 3.33-250 nM .
    S2.2 aptamer sodium
  • HY-D2204
    SHP1-IN-1

    		Phosphatase Fluorescent Dye Cancer
    SHP1-IN-1 (compound 5p) is a fluorescent probe for the protein tyrosine phosphatase SHP1 containing the Src homology 2 domain. SHP1-IN-1 has SHP1 inhibitory activity, selectivity for Fe 3+ ions and good fluorescence properties. SHP1-IN-1 exhibits aggregation post-quenching (ACQ) effect, good interference immunity and low detection limit (5.55 μM) .
    SHP1-IN-1
  • HY-W001952
    6-Bromo-2-naphthol

    		Fluorescent Dye Others
    6-Bromo-2-naphthol is an RTP (real-time polymerase chain reaction) probe capable of real-time monitoring of PCR reactions and quantification of specific nucleic acid sequences. 6-Bromo-2-naphthol phosphoresces at room temperature. RTP probes are a type of small DNA or RNA sequence labeled with fluorescent dyes and quencher molecules and can be widely used for gene expression analysis, SNP genotyping and pathogen detection .
    6-Bromo-2-naphthol
  • HY-W127716
    Ru(bpy)2(mcbpy-O-Su-ester)(PF6)2
    1 Publications Verification

    		 Fluorescent Dye Cancer
    Ru(bpy)2(mcbpy-O-Su-ester)(PF6)2 is a potent ruthenium-based dye. Ru(bpy)2(mcbpy-O-Su-ester)(PF6)2 can bu used as an effective quencher of quantum dots (QDs) fluorescence and the capture probe of virus antigen EV71. Ru(bpy)2(mcbpy-O-Su-ester)(PF6)2 can be used sensitive electrogenerated chemiluminescence (ECL) labels for detection of matrix metalloproteinases (MMPs) .
    Ru(bpy)2(mcbpy-O-Su-ester)(PF6)2
  • HY-W013205R
    Bis(4-nitrophenyl) phosphate (Standard)

    		Biochemical Assay Reagents Others
    Bis(4-nitrophenyl) phosphate (Standard) is the analytical standard of Bis(4-nitrophenyl) phosphate. This product is intended for research and analytical applications. Bis(4-nitrophenyl) phosphate is a catalyst for metal micelles and can catalyze the hydrolysis of (4-nitrophenyl) phosphate. Bis(4-nitrophenyl) phosphate is also an effective catalyst for ring-opening polymerization (ROP), which can achieve controlled polymerization of β-butyrolactone (β-BL) ring-opening and can be used to prepare diembedded polymers without quenching. segment copolymer .
    Bis(4-nitrophenyl) phosphate (Standard)
  • HY-116762
    N-butyryl-L-Homocysteine thiolactone

    		Biochemical Assay Reagents Others
    Quorum sensing is a regulatory system used by bacteria to control gene expression in response to increased cell density. The control of bacterial infection by quenching the quorum sensing system of bacteria is a promising research area. The expression of specific target genes, such as transcriptional regulators belonging to the LuxIR protein family, is coordinated by the synthesis of diffusible acyl homoserine lactone (AHL) molecules. N-butyryl-L-Homocysteine thio-lactone is an analog of N-butyryl-L-homoserine lactone, a small, diffusible signaling molecule involved in quorum sensing, thereby controlling gene expression and cellular metabolism . N-butyryl-L-homocysteine thiolactone induces violacein expression in Viola viola mutants that normally fail to produce AHL.
    N-butyryl-L-Homocysteine thiolactone
  • HY-43520
    BODIPY-FL

    		Fluorescent Dye Others
    BODIPY-FL is a green fluorescent dye that can be used to label probes or primers. BODIPY-FL fluorescence can be quenched after interacting with uniquely positioned guanine, making it useful for quantifying specific DNA or RNA molecules. BODIPY-FL-labeled sphingolipid analogs can be used to investigate sphingolipid internalization, transport, and endocytosis in mouse embryonic stem cells. BODIPY-FL-labeled monoterpenes can quickly penetrate bacteria, mammalian, and fungal cells, allowing for the detection of characteristics of a broad spectrum of Gram-positive and Gram-negative bacteria, as well as pathogenic fungi. The maximum absorption wavelength of BODIPY-FL is 505 nm, and the maximum emission wavelength is 513 nm .
    BODIPY-FL
  • HY-158320
    T3SS-IN-5

    		Bacterial Infection
    T3SS-IN-5 (Compound F9) is a specific inhibitor of the type III secretion system (T3SS). T3SS-IN-5 reduces bacterial pathogenicity without affecting bacterial viability by inhibiting the expression of genes associated with T3SS .
    T3SS-IN-5

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