Is using NaOAc as reaction buffer along with pNG substrate and Na2CO3 as reaction stopper to liquid culture supernatant enough to measure the activity?
I need to do some experiment with it in liquid form.
07 August 2024 613 3 View
I am trying to recover liquid CO2 from a mixture of 0.6 CO2, 0.3 N2, and 0.1 O2. My aim is to recover about 99% liquid CO2 at the bottom of the column and make sure the amount of gaseous CO2...
06 August 2024 4,611 0 View
I have prepared a liquid broth containing Yeast (S. Cerevisiae) that i need to add from it to fermentation media of lignocellulosic hydrolysate. I need to know based on what parameters do we add...
06 August 2024 662 1 View
Hi guys If anyone is currently working on aging cells, you guys would like to give me some advice. I'm testing against biomarker (SA-beta-Gal), I encountered a false positive in the control group...
02 August 2024 6,735 1 View
What is the best way to freeze the rat brain - liquid nitrogen, Dry ice , isopentane - after isolation for later protein investigation by Elisa?
01 August 2024 1,722 1 View
Can we conduct DFT studies for Ionic Liquids with Amines at various concentrations? If so, how can we proceed with these studies? Additionally, what parameters, besides IR, NMR, and HOMO-LUMO, can...
18 July 2024 319 1 View
Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...
15 July 2024 9,975 1 View
Can I directly analyze a liquid metal-ligand sample without acid digestion in flame atomic absorption spectroscopy?
25 June 2024 1,866 2 View
How to size an liquid jet ejector to raise pressure of suction gas.I need to get dimensions for simple compression and also for absorption of say CO2 in Water
13 June 2024 4,551 0 View
I am planning to measure the the activity of beta galactosidase enzyme using a standard kit to detect glucose production. The kit reagent is a mixture including horseradish peroxidase and...
12 June 2024 7,331 1 View