Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

Onset of Photo Oxidation in Polymers?

Hi! I am looking for some specific information in regards to the minimum amount of UV intensity required to begin the photo degradation process in polymers. I understand each polymer is...

15 February 2021 7,703 4 View

Peptide precipitation as pre-step for acid hydrolysis for amino acid analysis?

I'm currently experiencing problems during acid hydrolysis for total amino acid analysis as my first samples contain high amounts of sugar (I get too low results back). I therefore had the idea to...

14 February 2021 6,049 3 View

Kinetics of Enzyme production in Recombinant E Coli?

Hello, I am trying to find kinetic information (such as rate of enzyme production etc.) on the expression of taq polymerase in E-Coli after inserting a recombinant plasmid. Any help would be...

12 February 2021 1,386 3 View

What are the conflicts between EIA and environmental engineers and lawyers?

Environmental Impact Assessment (EIA) does not live up to the expectation of environmental lawyers and environmental engineers. In your own opinion, how can the EIA process therefore be made more...

03 February 2021 1,329 6 View

What is the maximum storage time for samples used in soil enzyme assays?

01 February 2021 4,616 3 View

What are the factors on which exchange current density of an electrode depends, and how can they be predicted?

While surface roughness is an obvious factor, this is not what is exactly asked. Rather, periodic variation of exchange current density (of an electrode) with solution chemistry (of electrolyte)...

30 January 2021 4,886 5 View

How to design an Ultrafiltration membrane for a CSTR?

Dear all, I am designing an Ultrafiltration (UF) membrane coupled with a CSTR. It is desired to utilized a dead end stirred reactor. The main purpose is to separate the enzyme used from the final...

27 January 2021 7,924 1 View

Solving diffusion- reversible chemical reaction equation: How to solve both terms numerically?

I am using finite difference method to discretize the parabolic equation (explicit method), but confused about the chemical reaction term. Solving the generic equation for i specie involves a...

24 January 2021 1,149 18 View