I used the iced acetone in -20C , used 4 times double the volume of my protein, and incubated the mixture inside the ice for more than 3 hours and I didn't notice any pellet.
Dear colleagues, I require urgent assistance regarding the authenticity of the "Plasma Science and Technology" journal. Upon investigation, I found two websites bearing the same name and ISSN...
17 April 2024 5,732 2 View
I will be using it for DBA thesis
04 August 2023 8,236 1 View
Hi, I have 100 samples and want to find the correlation between the clinical characteristics of the samples. Can someone help me how to determine which one to use? I really appreciate any help...
03 June 2023 1,788 4 View
Hi, I have a total number of examined participants 642; the infected number is 61, and the Non-infected 581; any idea how to find the chi-square and p-value? regards
30 May 2023 7,161 5 View
Hi I need to make sure of the journal that I want to submit a manuscript is not fake. I have the journal citation report for 2022 but I need a journal citation report for 2023. regards
03 May 2023 9,896 3 View
Hi, I have sequence data and I have no idea how to compare them with reference sequences in NCBI to create a phylogenetic tree. is there any educational video or a way that someone can...
04 February 2023 6,196 6 View
Hi, I know that the odd ratio ( OR=1 Exposure does not affect odds of outcome, OR>1 Exposure associated with higher odds of outcome and OR
31 January 2023 8,676 3 View
I have received accession number data from NCBI, anyone can help how to create a Phylogenetic tree, I got all the data from the same organism and the same gene, I was thinking to make the tree...
18 January 2023 2,287 3 View
Hi, I need to know if there is a difference between Genbank, bankit and clinvar database in submitting sequence data. regards Lina
02 January 2023 6,076 3 View
Hi there, I have a PCR sequence for the SNP of a particular gene, and I want to submit it to NCBI, so I need to know how to submit the sequence to NCBI to get an accession number online. Is there...
07 December 2022 1,580 3 View
Hello, I am currently having problems with RNA extraction. I am using mouse liver (C57BL6J), and I have extracted RNA from mouse liver before. Before this experiment, my final RNA pellets were...
11 August 2024 7,082 3 View
Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...
10 August 2024 6,492 1 View
I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...
07 August 2024 5,177 3 View
I am trying to prepare samples for IP. The pellet size is good and I am using 1% Tx-100 and using a syringe to further lyse the cells and maintain protein-protein interactions. I keep having a...
01 August 2024 7,199 1 View
I'm fairly new to making homemade comp cells and have done so with some mild success. What is generally an acceptable way of resuspending comp cells during wash steps? I've been told to swirl the...
31 July 2024 8,309 0 View
I am cloning an overexpression plasmid with my protein of interest tagged with mScarlet. After transforming my ligated product into DH5α bacteria and plating on LB agar, I noticed colonies with a...
22 July 2024 5,953 6 View
How to determine tannin content in fodder pellets?
22 July 2024 8,162 3 View
I am extracting proteins from plant samples and am currently attempting to use the TCA/Acetone extraction method. I am having trouble resolubilizing my sample after drying the pellet. I collected...
15 July 2024 9,025 3 View
Hi All: I need to precipitate extracellular protein from supernatant. A bit confused with ammonium sulfate calculation. Should I be adding: 1. 65g of ammonium sulfate in 100 ml of...
09 July 2024 5,508 0 View
I synthesize silver nanoparticles ,and reserve it in water. Then, when I sonicate it some minutes or longer ,it couldn't be dispersed, most of them aggregate .Otherwise ,when I sonicate several...
09 July 2024 7,335 0 View