Charlene Trestrail

6 Questions 7 Answers 0 Followers

Questions related from Charlene Trestrail

What is the extinciton coefficient of Remazol Brilliant Blue (aka Reactive Blue-19)?

Can anyone advise me on the extinction coefficient of Remazol Brilliant Blue R, also known as Reactive Blue-19? Coefficients in the literature vary widely from 5000 - 10 000 M-1 cm-1 for...

02 July 2020 4,056 0 View

Is there a way to measure gut passage time in invertebrates without using radioisotopes?

I would like to measure gut retention time in mussels. Is there a protocol for doing this that does not use isotope tracers?

06 January 2018 8,814 4 View

Can the exoskeleton be left on when cryo-sectioning marine invertebrates ?

Do you need to remove or soften exoskeleton before embedding and sectioning invertebrate samples, or will the tissue still cut well with the exoskeleton present?

22 September 2017 9,133 4 View

Should the relationship between enzyme reaction rate and protein concentration be linear for carbonic anhydrase?

I am measuring carbonic anhydrase activity using the delta pH method, and have read that reaction rate should increase linearly with protein concentration. However, I don't see that trend with my...

25 October 2016 9,395 4 View

Does anyone know a way to colourimetrically measure pH change caused by carbonic anhydrase activity?

I would like to determine carbonic anhydrase activity in mollusc tissue, but I don't have enough volume to use a pH probe.

08 September 2016 2,335 2 View

What is the best solution to use for preserving marine crustacean larvae?

I want to be able to measure them at a later date.

23 September 2015 4,525 3 View