Does anyone have any suggestions for determination of formate ion's concentration in the mixed solution( oxalate ions,sodiom ions and formate ions) by titration methodes?
I need to make a lysing solution to lyse the RBC and WBC for using in cell counter of sysmex k1000. When I use the blood control all parameter are normal but when I used the human blood the cell...
11 February 2024 8,536 0 View
I have a solution containig some salts and also Sodium Lauryl Sulfate (SLS). How can I identify the quantity of this surfactant?
13 July 2023 9,195 2 View
I used phase lock tubes for RNA extraction, but after adding chloroform and spinning down the gel came on top of aqueous layer! does anyone know why this might happen? and what should I do to...
25 April 2023 8,718 0 View
Dear fellows I am into micropropagation of calladium. we didn't observe any bacterial contamination during the initiation and first subculture stages. the second subculture was done last week and...
09 August 2022 6,391 3 View
I have a master with nanohole with diametre ~ 200 nm and a depth of 150 nm. i can not replicate the PDMS mold out from this master, every time PDMS is attached and fill the holes... Does anyone...
08 May 2022 1,143 0 View
-The atomic radius of lanthanum is approximately 0.35 nm, as opposed to 0.3 nm for water molecules. -Seawater sample also contain organic contaminants such as Mg, Na, etc. some of them with the...
02 January 2022 6,673 4 View
Hello everyone! I'm trying to make 2% MC, but after I autoclave the solution the water and the gel phase separate from each other! What can be done about this? Can I put it again on stirrer to...
21 July 2021 7,568 3 View
I am working on human fibroblast cells from synovial tissue and now they are in 4-5 passages. These cells have been confirmed with specific markers (99% purity). Recently, I have decided to...
17 November 2020 930 3 View
Diclofenac is separated by a nanofiltration membrane and the molecular size of diclofenac is needed to prove the mechanism of size exclusion. I did not find the molecular size of diclofenac...
29 October 2020 7,792 2 View
Hi dear fellows I am working on micropropagation of Begonia and Gloxinia which in both of them have internal bacterial contamination. I tried ppm and antibiotics in media but both of them have...
20 September 2020 8,423 4 View
I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...
08 August 2024 8,329 0 View
I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...
03 August 2024 6,500 3 View
What is human-computer interaction (HCI)?
22 July 2024 10,056 2 View
I am performing fluorescence experiments using a ligand to detect metal ions. I want to determine the Lowest Detection Limit (LOD) using the formula LOD = 3σ / K. However, I'm uncertain about...
19 July 2024 1,086 1 View
Suppose a material "A" has both tetrahedral and octahedral sites and we are doping another material "B" - usually an ion into it. How can we detect if the dopant has occupied the octahedral site...
17 July 2024 4,299 4 View
I need to plot cycle number vs. capacity with multicurrent density. please let me know if my steps are right or not as the below picture
14 July 2024 7,702 2 View
What are the opportunities and limitations for using digestate ion different crops and soil typs and how can its application be optimized - I have few of them listed and can be updated in this...
13 July 2024 2,431 2 View
Hello everyone, I currently have a protein in a fully equilibrated membrane system. For the analysis I am running, I need to remove Na+ ions from the inside of the pore region. I would normally...
25 June 2024 4,579 4 View
Any help will be appreciated!! I am trying to use the Visual MINTEQ to investigate the speciation of ions in some environmental samples. In the input files, I only fixed the pH value and provided...
24 June 2024 9,138 0 View
What basis set/basis sets will be useful for DFT (using Gaussian16) of cerium ion adsorption?
24 June 2024 6,927 3 View