General FAQs - Insoluble Chromogenic Substrates

What wavelength is optimal for measuring enzyme action on AZCL-chromogenic substrates?
590 nm. Product Page (Insoluble Chromogenic Substrates)
Fri, 25 Mar, 2016 at 10:59 AM
What is the size of the dye molecule in relation to the sugar unit?
We do not supply details of the dye and crosslinking procedure we use. Product Page (Insoluble Chromogenic Substrates)
Fri, 25 Mar, 2016 at 11:41 AM
Why are the AZCL-chromogenic substrates inhibited by salt concentrations over 100 mM?
Salt inhibits because it restricts the swelling of the dyed, crosslinked gel particles – this undoubtedly causes steric hindrance. Product Page (I...
Fri, 25 Mar, 2016 at 11:41 AM
What is the protocol for preparing solid agar plates using the AZCL insoluble chromogenic substrates?
The AZCL-polysaccharides are insoluble chromogenic substrates. They are used at a concentration of about 0.01 – 0.1% w/v in agar plate screening tes...
Fri, 13 May, 2016 at 4:57 PM
What is the Magnesium concentration in the tablet form of the AZCL-substrates?
We use Magnesium stearate as an agent to help the flow of powder in tabletting. Typically the concentration of this is 0.5%. Product Page (Insolubl...
Fri, 25 Mar, 2016 at 11:41 AM
How are the AZCL substrates used?
The products are insoluble chromogenic substrates. They are used at a concentration of about 0.01 – 0.1% w/v in agar plate screening tests. These substrate...
Fri, 22 Apr, 2016 at 12:24 PM
What does the insoluble chromogenic substrates acronym "AZCL" stand for?
AZCL stands for Azurine-CrossLinked. Insoluble Chromogenic Substrates
Thu, 24 Aug, 2017 at 3:33 PM