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Fluorescein-5-maleimide

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Amino Acid Derivatives (1) Apoptosis (1) COX (1) Endothelin Receptor (1) Fluorescent Dye (3) Interleukin Related (1) MMP (1) NF-κB (1) Prostaglandin Receptor (1) TNF Receptor (1)
By Research Areas:	Cancer (1) Cardiovascular Disease (1) Inflammation/Immunology (1)

Inhibitors & Agonists

Fluorescent Dyes

Peptides

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-D0098

*Fluorescein-5-maleimide* 5 Publications Verification N-(5-Fluoresceinyl)maleimide	Fluorescent Dye	Others
Fluorescein-5-maleimide (N-(5-Fluoresceinyl)maleimide) is a fluorescent dye. Fluorescein-5-maleimide can be used to detect the redox state of thiols in eukaryotic cells. Fluorescein-5-maleimide can label peptides and is used to detect negatively charged nanoparticles. Fluorescein-5-maleimide can also label actin to explore its interaction with cardiac myosin-binding protein C (cMyBP-C), which helps in developing small molecule modulators for heart failure. Fluorescein-5-maleimide can screen mutant proteins that contain cysteine residues. The excitation wavelength of Fluorescein-5-maleimide is 494 nm, and the emission wavelength is 519 nm .

HY-P2496

*Endothelin 1 (swine, human), Alexa Fluor* 488-labeled**	Endothelin Receptor Fluorescent Dye NF-κB COX Prostaglandin Receptor Apoptosis TNF Receptor Interleukin Related MMP	Cardiovascular Disease Inflammation/Immunology Cancer
Endothelin 1 (swine, human), Alexa Fluor 488-labeled is an Endothelin-1 conjugated with Alexa Fluor 488 (HY-D1304). Endothelin-1 is an endogenous vasoconstrictor and agonist of ETA/ETB receptor. Endothelin 1 (swine, human) exerts effects including promoting mitosis, angiogenesis, tumor invasion and metastasis, and inhibiting apoptosis. Endothelin 1 (swine, human) induces inflammation and oxidative stress by activating the NF-κB pathway. Endothelin 1 (swine, human), Alexa Fluor 488-labeled is specifically designed for fluorescence imaging, flow cytometry or receptor localization studies, and can be used in research related to sepsis, atherosclerosis, systemic inflammatory response syndrome, cancer and congestive heart failure .

HY-DY1088

Fluorescein-5-maleimide (solution) N-(5-Fluoresceinyl)maleimide (solution)	Fluorescent Dye	Others
Fluorescein-5-maleimide (solution) (N-(5-Fluoresceinyl)maleimide (solution)) is a fluorescent dye. Fluorescein-5-maleimide can be used to detect the redox state of thiols in eukaryotic cells. Fluorescein-5-maleimide can label peptides and is used to detect negatively charged nanoparticles. Fluorescein-5-maleimide can also label actin to explore its interaction with cardiac myosin-binding protein C (cMyBP-C), which helps in developing small molecule modulators for heart failure. Fluorescein-5-maleimide can screen mutant proteins that contain cysteine residues. The excitation wavelength of Fluorescein-5-maleimide is 494 nm, and the emission wavelength is 519 nm . Solvent and concentration: DMSO: 10 mM

HY-P4901

Fluorescein-6-carbonyl-Tyr-Val-Ala-DL-Asp(OMe)-fluoromethylketone	Amino Acid Derivatives	Others
Fluorescein-6-carbonyl-Tyr-Val-Ala-DL-Asp(OMe)-fluoromethylketone is a polypeptide.

Cat. No.	Product Name	Type

HY-D0098

*Fluorescein-5-maleimide* 5 Publications Verification N-(5-Fluoresceinyl)maleimide	Fluorescent Dyes
Fluorescein-5-maleimide (N-(5-Fluoresceinyl)maleimide) is a fluorescent dye. Fluorescein-5-maleimide can be used to detect the redox state of thiols in eukaryotic cells. Fluorescein-5-maleimide can label peptides and is used to detect negatively charged nanoparticles. Fluorescein-5-maleimide can also label actin to explore its interaction with cardiac myosin-binding protein C (cMyBP-C), which helps in developing small molecule modulators for heart failure. Fluorescein-5-maleimide can screen mutant proteins that contain cysteine residues. The excitation wavelength of Fluorescein-5-maleimide is 494 nm, and the emission wavelength is 519 nm .

Fluorescein-5-maleimide

5 Publications Verification

N-(5-Fluoresceinyl)maleimide

Fluorescent Dyes

Fluorescein-5-maleimide (N-(5-Fluoresceinyl)maleimide) is a fluorescent dye. Fluorescein-5-maleimide can be used to detect the redox state of thiols in eukaryotic cells. Fluorescein-5-maleimide can label peptides and is used to detect negatively charged nanoparticles. Fluorescein-5-maleimide can also label actin to explore its interaction with cardiac myosin-binding protein C (cMyBP-C), which helps in developing small molecule modulators for heart failure. Fluorescein-5-maleimide can screen mutant proteins that contain cysteine residues. The excitation wavelength of Fluorescein-5-maleimide is 494 nm, and the emission wavelength is 519 nm .

HY-DY1088

Fluorescein-5-maleimide (solution) N-(5-Fluoresceinyl)maleimide (solution)	Fluorescent Dyes
Fluorescein-5-maleimide (solution) (N-(5-Fluoresceinyl)maleimide (solution)) is a fluorescent dye. Fluorescein-5-maleimide can be used to detect the redox state of thiols in eukaryotic cells. Fluorescein-5-maleimide can label peptides and is used to detect negatively charged nanoparticles. Fluorescein-5-maleimide can also label actin to explore its interaction with cardiac myosin-binding protein C (cMyBP-C), which helps in developing small molecule modulators for heart failure. Fluorescein-5-maleimide can screen mutant proteins that contain cysteine residues. The excitation wavelength of Fluorescein-5-maleimide is 494 nm, and the emission wavelength is 519 nm . Solvent and concentration: DMSO: 10 mM

Fluorescein-5-maleimide (solution)

N-(5-Fluoresceinyl)maleimide (solution)

Fluorescent Dyes

Fluorescein-5-maleimide (solution) (N-(5-Fluoresceinyl)maleimide (solution)) is a fluorescent dye. Fluorescein-5-maleimide can be used to detect the redox state of thiols in eukaryotic cells. Fluorescein-5-maleimide can label peptides and is used to detect negatively charged nanoparticles. Fluorescein-5-maleimide can also label actin to explore its interaction with cardiac myosin-binding protein C (cMyBP-C), which helps in developing small molecule modulators for heart failure. Fluorescein-5-maleimide can screen mutant proteins that contain cysteine residues. The excitation wavelength of Fluorescein-5-maleimide is 494 nm, and the emission wavelength is 519 nm .

Solvent and concentration: DMSO: 10 mM

*Endothelin 1 (swine, human), Alexa Fluor* 488-labeled**	Endothelin Receptor Fluorescent Dye NF-κB COX Prostaglandin Receptor Apoptosis TNF Receptor Interleukin Related MMP	Cardiovascular Disease Inflammation/Immunology Cancer
Endothelin 1 (swine, human), Alexa Fluor 488-labeled is an Endothelin-1 conjugated with Alexa Fluor 488 (HY-D1304). Endothelin-1 is an endogenous vasoconstrictor and agonist of ETA/ETB receptor. Endothelin 1 (swine, human) exerts effects including promoting mitosis, angiogenesis, tumor invasion and metastasis, and inhibiting apoptosis. Endothelin 1 (swine, human) induces inflammation and oxidative stress by activating the NF-κB pathway. Endothelin 1 (swine, human), Alexa Fluor 488-labeled is specifically designed for fluorescence imaging, flow cytometry or receptor localization studies, and can be used in research related to sepsis, atherosclerosis, systemic inflammatory response syndrome, cancer and congestive heart failure .

Fluorescein-6-carbonyl-Tyr-Val-Ala-DL-Asp(OMe)-fluoromethylketone	Amino Acid Derivatives	Others
Fluorescein-6-carbonyl-Tyr-Val-Ala-DL-Asp(OMe)-fluoromethylketone is a polypeptide.

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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