la resine ehangeuse d'ions sont constituées d’un mélange de résine cationique sous forme H+ et résine anionique sous forme OH- . est 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 What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...
05 August 2024 3,246 1 View
I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...
31 July 2024 2,033 1 View
Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?
29 July 2024 4,570 0 View
I am currently performing cell-free DNA (cfDNA) extraction from plasma using an in-house developed kit that employs silica-coated magnetic beads. My protocol works effectively with plasma obtained...
28 July 2024 3,559 0 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
I have been looking for the principle of Cysteine-carbazole-sulfuric acid reaction in research papers and books, but couldn't find it. This reaction is mainly used for the quantification of...
23 July 2024 3,891 0 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