Les résines échangeuses d'ions sont constituées d’un mélange de résine cationique sous forme H+ et de résine anionique sous forme OH-. Elles sont insolubles dans l'eau.
What is the prepared reference material that can be used in the ICPE-9820 Shimadzu Japan instrument, which employs inductively coupled plasma optical emission spectrometry (ICP-OES) to measure...
06 August 2024 1,896 1 View
Hello everyone, I am currently working on a research project that aims to integrate machine learning techniques into an open source SIEM tool to automate the creation of security use cases from...
04 August 2024 3,196 2 View
DOS version.
29 July 2024 6,064 1 View
I synthesised a nanocarrier by conjugation MOF (MIL-100) with folic acid for use in chemotherapy but the samples didn't dissolve completely in aqueous solution or DMSO. Instead, they only...
19 July 2024 8,522 0 View
I want to write article in a topic of positive role of politics in nursing, and I'm confused how can we add add questionnaire and what will be the questionnaires.
18 July 2024 10,021 3 View
In general, the characteristic of electric current as a function of voltage in argon plasma jet using dielectric barrier discharge in atmospheric pressure, jet length will increase by the increase...
16 July 2024 9,316 1 View
15 July 2024 2,414 1 View
I need help for find a subject for PhD in insect physiology
12 July 2024 8,227 1 View
What could be the reason for mixotrophs to be yellow too instead of green? Thank you
08 July 2024 594 2 View
Effective collaboration between scientists from different disciplines is crucial for tackling complex, multifaceted research problems. what is the strategies and considerations that can help...
02 July 2024 6,367 5 View
Hello everyone, I am currently working on a protein that is 10x his-tagged and positively charged (predicted pI=10.16). But when I tried to use Ni-NTA column to purify the protein, it's not...
24 July 2024 7,293 4 View
The resin bonded carbon containing refractories are aged before use. How time of aging is determined? And mechanism behind aging.
23 July 2024 3,205 0 View
Hello, I am experiencing an issue with mixing micro powder with resin in a 3D printer. The problem is that sedimentation occurs after a short period (about half an hour to an hour). Could you...
23 July 2024 1,672 0 View
https://en.wikipedia.org/wiki/Viscosity
21 July 2024 3,089 4 View
So i have a few peptides (synthesized by SPPS and not cleaved from resin) and I want to add a maleimide label. We have NHS-PEG-Maleimide and from literature it is evident that the free amine group...
18 July 2024 4,075 3 View
Good day everyone, Trying to perform protein purification for the first time, gotta buy the whole equipment/reagents. Protein of interest 48 kDa (Antithrombin), expressed from his-tagged plasmid...
16 July 2024 3,692 6 View
Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...
15 July 2024 9,975 1 View
Even adding fragrance is not working
05 July 2024 741 2 View
Effect of tackifying resin mol. wt. on tackiness of a Adhesive
21 June 2024 4,596 1 View
Also, I will appreciate whole curing mechanism of Novolak with Hexamine
14 June 2024 9,908 0 View