Labeling & Detection

Cy3 maleimide chloride is a dye derivative of Cyanine 3 (Cy3) containing maleimide functional groups.

The cleavage of the chromogenic caspase-3 substrate Ac-DEVD-pNA can be monitored at 405 nm.

Ac-D-Leu-OH عبارة عن مجموعة حماية أمينية من الأحماض الأمينية المستبدلة من N-.

Boc-Lys-AMC is a dipeptide fluorescent substrate containing AMC (7-amino-4-methylcoumarin).

Boc-Val-Leu-Gly-Arg-pNA is a chromogenic peptide substrate. Boc-Val-Leu-Gly-Arg-pNA can be specifically hydrolyzed by the limulus clotting enzyme, releasing p-nitroaniline (pNA) to produce a color change.

Bz-Nle-Lys-Arg-Arg-AMC is a fluorogenic tetra-peptide substrate for yellow fever virus (YFV) non-structural 3 (NS3), dengue virus (DV) NS2B/3 serine proteases, and Zika virus (ZIKV) NS2B/NS3 serine proteases.

H-D-Pro-Phe-Arg-pNA . 2 HCl is a chromogenic peptide substrate that has been used for the determination of kallikreins.

H-D-Val-Leu-Lys-pNA . 2 HCl is a colorimetric substrate for the detection of protease activity, particularly plasmin.

H-Gln-AMC is a fluorogenic substrate commenly used to measure the activity of glutaminyl cyclase (QC) enzymes with K m value of 51 ± 3µM at pH 8.0 and k cat value of 5.4 ± 0.1s -1 .

H-Gln-βNA . HCl is a specific fluorescent substrate for glutaminyl cyclase, with the excitation wavelength of 320nm and emission wavelength of 410nm.

H- غلي برو- AMC. HBr هي صبغة فلورية ، يمكن استخدامها كركيزة فلورية محددة للكشف عن نشاط Dipeptidyl peptidase IV (DPP-IV).

L-threo-Phenylserine is a β-hydroxy-α-amino acid with two chiral centers.

Suc-Ala-Ala-Pro-Ile-pNA (Suc-AAPI-pNA) is a synthetic peptide compound used as a substrate for detecting and studying the activity of various proteases. Under the action of enzymes, Suc-Ala-Ala-Pro-Ile-pNA is hydrolyzed, releasing yellow p-nitroaniline (pNA). The change in absorbance at 400-410 nm is measured by colorimetry to reflect enzyme activity.

Suc-Ala-Phe-Lys-AMC is a highly sensitive fluorogenic substrate.

Tos-Gly-Pro-Arg-AMC . HCl is a fluorescent substrate for thrombin, which is widely used to detect serine protease activity. Its excitation and emission wavelengths are 380nm and 460nm, respectively.

Z-Ala-Ala-Asn-AMC (Cbz-Ala-Ala-Asn-AMC) هي الركيزة البقوليةالبقوليات المفرطة التعبير في 293 خلية من خلايا الساق المشقوقة بقوة CBZ-Ala-Ala-Asn-AMC

Z-RGR-pNA is a chromogenic substrate for the determination of factor Xa.

Z-Gly-Pro-AMC عبارة عن ركيزة فلورية

Amplex Red is utilized to measure hydrogen peroxide concentrations or peroxidase activities.

Mag-Fura-2 AM is a fluorescent dye which is useful for measuring changes in cytosolic Mg 2+ with E x /E m =336/503nm.

Merocyanin 540 is a fluorescent membrane probe that selectively stains the membranes of various electrically excitable cells but not non-excitable cells. Its maximum excitation wavelength Ex is 540nm and its maximum emission wavelength Em is 580nm.

used for Click chemistry to label alkyne-modified oligonucleotides

carbonyl-reactive dye