I am mixing sodium hydroxide with a stabilizing agent PVP and the solution turns a brown orange. Does that mean that a reaction is taking place? Is there a formation of some sort of gel? The pH is very basic (11-12).
Phosphate ester may get hydrolyzed.
Hello Everyone, I know IL-1B is a soluble protein. So how to extract it from the supernatant? Please advice. Thanks!
05 January 2021 7,349 5 View
As of now, I am trying to explore the potential of using high/very high-resolution satellite imagery with machine learning (ML) to identify or map forest cover (e.g. rubber). As a newbie in this...
17 November 2020 7,187 3 View
I need to run a quick EEG experiment. I don't want to spend time and money to set my own lab. I wonder if there exist EEG labs that can run an experiment for me for a fee?
10 September 2020 5,492 3 View
I have knocked down a gene of interest using siRNA and am using qRT-PCR to confirm reduced expression. All samples treated with non-specific siRNA have Ct values around 35, but all samples...
29 July 2020 8,198 3 View
Where is silver in spherical shape used other than for solar cell electrodes? Most of the silver in electronics seems to be flake. Is this statement accurate?
24 May 2020 7,604 3 View
Hi, I'm looking for an entomologist that can recommend a good book on the trapping of insects for study. Thanks
30 January 2020 2,710 2 View
How would you distinguish peripheral monocytes from tissue macrophages with IHC? Specifically, I am interested in looking at rodent brain tissue. Any help is appreciated! Thanks, Dan
07 October 2019 2,683 3 View
I'm modelling insect populations over time (1968 - present) in the UK at over 500 sites. I have detected a decline in sites that are mainly suburban (based on 500m radii using the CEH Land Cover...
02 September 2019 535 3 View
Dear scientists of noble gas and hydrology, Would equilibrium and/or excess concentrations of noble gases change after isolation from gas exchange with atmosphere? (Non-atmospheric noble gas was...
20 February 2019 255 5 View
I have a sample size of 30, representing three different groups (one intervention and two controls). I would like to see if there is an association between my dependent variable and 4 self-report...
18 February 2019 4,619 3 View
Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...
01 March 2021 2,622 3 View
Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...
21 February 2021 8,132 1 View
12 February 2021 2,958 1 View
I need to determine the open formula of our complex, presumably consisting of sodium tungstate Na2WO4 and aluminum sulfate Al2 (SO4) 3. Our problem is that with an increase in the concentration...
11 February 2021 5,821 1 View
I am doing a salt tolerance-related experiment and for that I need to relate my salt levels to that in bacto agar. I don't want my salt concentrations to increase due to already salt content...
09 February 2021 4,158 1 View
When I tried to mix a sodium metabisulfite solution with sodium hydroxide solution, the mixture solution quickly became turbid. Before mixing both were clear solutions. Please help explain the...
03 February 2021 8,075 2 View
Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate
01 February 2021 9,509 1 View
I work with insect primary cells, which I let grow in TC100 insect medium. For fluorescence measurements I have to discard medium (because of its fluorescence properties) and give a saline...
28 January 2021 3,867 1 View
Hi everyone! I am purifying a peptide from a mixture of proteins. The peptide (3 kDA) is in a solution containing a high concentration of urea and imidazole. I would like to be able to change the...
27 January 2021 4,055 4 View
I wanted to perform rhodanese enzyme assay using salt potassium ferricyanide (K3Fe(CN)6). The assay is based on the products formed in the reaction but I can't get the reaction i.e what product...
26 January 2021 8,044 4 View