How can I substitute ONPG in betagalactosiade colorimetric assay?

Hi, I am wondering if there is any other colorimetric product to use instead of ONPG in betagalactosidase assay (for beta galactosidase bacterial production). Thanks in advance !

20 June 2019 424 5 View

How can I calculate the number of carboxyl groups coating the gold nanoparticles?

water soluble gold nanoparticles, the nano gold were bonded with carbon of benzoic acid

26 March 2017 9,141 3 View

How can I determine core-shell by uv-vis?

I have synthesized bimetallic palladium with gold, silver, and copper and I want to know the type of this bimetallic core-shell or alloy

29 May 2013 7,338 2 View

Are Angiotensin Receptor Blocker Trials as Therapy Inhibiting COVID 19 Infection Successful?

There has been some discussion about the comorbidities, including cardiovascular disease and diabetes, which often qualify for angiotensin inhibitor (ACEI) therapy, which significantly increase...

27 April 2020 172 36 View

Are antibiotic resistant bacteria and genes water treatment problem?

ARG and ARB are predominantly found in food. Their minimal presence is found in water bodies.

02 March 2019 9,357 3 View

Finite element simulation of accumulative roll-bonding process?

I want to simulate the ARB simulation in Abaqus, I did the first model for two layers for the first cycle and it works but when I want to do this model for the 2nd cycle or decrease the thickness...

01 February 2019 6,406 3 View

How to estimate microcrack in multilayer composite ?

microcracks cause strengh reduce in multilayer composite produce br ARB How I can sure this reason reduce strength ?

04 May 2018 3,105 0 View

Is the Pareto method valid for combating the spread of antibiotic-resistant bacteria and genes (ARB and ARG)?

We know that the PARETO method advises us to focus efforts on 20% of the causes to reduce losses by 80%. Is this principle is valid for combating ARB and ARG.

09 October 2017 1,045 3 View

Can someone recommend a lab in Europe to quantify constituents of Arctostaphylos uva-ursi leaves, especially arbutin (Arb) content?

08 September 2016 6,624 1 View

How can i simulate ARB (accumulative roll bonding )for multilayer in Abaqus?

05 June 2016 3,149 1 View

How can we illustrate the improvement in corrosion resistance of Al 5083 alloy with anodic Al3Mg2 precipitation after 5 cycle of ARB process?

I have applied the ARB process on Al 5083 aluminium alloy. This resulted in the grains to become ultra fine. and consequently the corrosion resistance has increased in comparison with the as...

09 October 2015 8,486 5 View