Originally, the bacterial pigments are considered virulence factor, so my question is how can we applied them in food as colorurings?
I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?
03 August 2024 4,624 3 View
Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?
01 August 2024 7,504 2 View
Here's a serious question: If we were to stop emitting all greenhouse gases right now, would the Earth's temperature start to cool down, or would the existing greenhouse gases continue to warm the...
30 July 2024 5,123 4 View
Dear users, I would like to simulate a zeolite structure in gromacs. I got the .cif file from IZA expanded in one direction in Materials Studio and exported a .pdb file. However, when I want to...
24 July 2024 367 4 View
I am looking to purchase a photography kit for onsite metallurgical investigations, such as capturing photos of worn areas, hot tears, cold tears etc. Could anyone suggest me a good...
22 July 2024 3,490 2 View
Hello researchers, I have sequenced the A549 cell line using RNA sequencing approach and then I have it against the human genome reference sequence. Would I expect a 100% mapping percent? I got...
20 July 2024 9,705 0 View
What protocol can be used to measure the cellular uptake of a nanoparticle? Is there a way to get more of a non-targeted nanoparticle into the cell? Why a fluorescent nanoparticle does not enter...
18 July 2024 7,153 2 View
Dear Gromacs users, I would like to simulate a zeolite-water system. In different literature, it is suggested to consider a rigid framework of zeolite to decrease the computational cost. I would...
15 July 2024 4,590 1 View
Hello, I have a problem in classification of "Additive Manufacturing" techniques. There are several classification for Additive Manufacturing e.g. Powder, Extrusion, Resin etc. Actually, I am OK...
15 July 2024 139 3 View
A question about scientific methodology
13 July 2024 2,160 8 View
I have a response variable called skin yellowness, which I will measure via a scored color chart, whereby 1 is pale yellow and 15 is orange. I'm not sure if this counts as an ordinal variable,...
11 August 2024 4,793 1 View
Hi everyone. I need to do a lot of colony counting tomorrow and when I was doing it today I’ve noticed that most of the colonies are too transparent - I have to shine bright light on them all the...
12 June 2024 711 3 View
Trying to identify the isolate from the high saline area . morphologically isolate is pigmented. extracted the DNA and tried to amplify the 16S. but repeatedly unsuccessful. 1) DNA dilution is...
12 June 2024 2,568 4 View
My experimental product is a base shower cream by mixing the fatty acid with KOH at 75 degrees Celsius and other ingredients (hydroxypropyl methylcellulose (HPMC), emulsion chemical, salt,...),...
12 March 2024 8,769 0 View
Hello, I encountered a problem isolating a phage for Pseudomonas aeruginosa bacteria. When performing the spot test, lytic zones appeared. but when trying to do the plaque assay test I didn't...
09 March 2024 6,008 3 View
Chlorophyll pigments were extracted according to the Arnon method using 80% acetone. Can anyone suggest me if the same extraction can be used for any other physiological experiments like other...
27 February 2024 3,123 3 View
HemInozoin cristals are very compact in human parasites. However in opther haemoparasites as order haemosporidia is observed volutin. Do you think is there any correlation between protein...
26 February 2024 3,806 2 View
under the addition of antifungal, the microalgae did not have significant green pigment in the petriplate and cells looked bleached in petriplate. on microscopic analysis few cells were found to...
20 February 2024 6,788 0 View
I need to measure the H2O2 content in cotton anthers. However, due to the high pigment content, I cannot obtain stable and repeatable results. I have tested methods based on Fe2+, I-, and...
30 January 2024 2,554 0 View
Where can I find pigmented short hair guinea pigs for laboratory? Do you know any sellers?
26 December 2023 7,918 2 View