How to dissolve styrene-acrylic resin pellets(BASF Joncryl684) into a water/1,2-butanediol mixed solution to prepare an emulsion?
Ransomware attack has become a common criminal pattern, but the governance of countries basically focuses on fraud and computer crime. Dear colleagues, I would like to ask you how the definition...
21 May 2024 262 8 View
I prepare the precursor with both hydroxy and Nitrogenous group on the side chain by RAFT. Then, through the method mentained in the following literature that add AIBN to wipe off the residue of...
11 May 2024 2,941 0 View
使用购买的EVA(VA含量40%)产品,在甲苯溶液中溶解,然后添加了氢氧化钠和醇的混合溶液,浓度大概有1mol/l和0.25mol/l的。 产品测试红外结果较为正常,但是在DMSO中一直无法溶解,困扰了很久。有没有做这方面研究的大佬可以解答一下或者讨论一下。是否自己合成的EVA再去做EVOH会好溶于dmso一些。
21 December 2023 7,565 0 View
The purchased EVA (VA content 40%) product is dissolved in toluene solution, and then a mixture of sodium hydroxide and alcohol is added, the concentration is about 1mol/l and 0.25mol/l. The...
21 December 2023 8,974 3 View
I’m currently conducting research on telomeres in THP-1 cells. During my gel electrophoresis experiments using a 1% gel, I’ve encountered an issue where the DNA seems to be stuck at the top of the...
29 October 2023 9,561 7 View
I dissolved the styrene acrylic resin (molecular weight 1500): 1,2-butanediol = 3:5(weight ratio), added the emulsifier, and then slowly added it to the water containing the emulsifier using a...
27 October 2023 3,341 0 View
When I was doing a blend of two polymers, I determined from the literature that a cross-linking reaction with hydrogen bonding would occur between them. Hydrogen bonding occurs when a hydrogen...
25 September 2023 5,492 1 View
Hi. I am looking for the code of this article Phys.Rev.Lett. 111 (2013) 3, 032501. It is useful for our many-body calculation. Notice: I am not looking for the code of how they calculate the...
24 September 2023 4,566 0 View
I prepare the composite film by fixing the support layer on a flat and smooth glass plate and then applying the casting solution using a wire rod or a wet film preparer. I would like to ask what...
24 September 2023 1,365 0 View
I was recently doing a Co-IP work. And I got some weird result as show in the picture, the target protein was not seen in the whole cell lysate but it was seen in the supernatant after IP. The...
30 August 2023 7,220 0 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
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 8,163 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
I am trying to load curcumin emulsion in 4% chitosan gel but i don not know how many mg powder is needed ?
10 July 2024 2,462 1 View
Even adding fragrance is not working
05 July 2024 741 2 View
Dear Colleagues, I am currently formulating oil in glycerin/water nanoemulsionn of Thymol and Eugenol, using cationic surfactant. After phase diagram, I got trouble that the clear and...
03 July 2024 4,200 2 View