How to test the physical and chemical stability of solution or colloid?

07 June 2019 1 6K Report

How to characterize the stability of DMF ( N,N-Dimethylformamide ) or DMSO ( Dimethyl sulfoxide ) solution of Lead Iodide?

Can you give me some advice or references? THANKS

Luma M. Ahmed

you can use different temperatures and scan the solution by UV-Visible- spectroscopy or read the turbidity for the colloid solution....

Badges
Science topic

More Hao Gu's questions See All

Can we mark 'EFL Learners shifting from general digital to AI technologies' as technological transition?

After COVID-19 it has seen that EFL learners technological affiliation has raised. In addition, in the post-COVID period learners started to engage AI technologies like ChatGPT while learning...

08 August 2024 8,964 4 View

How to generate a citation of my paper from ResearchGate?

How we can cite the papers from ResearchGate. I am trying to create citations for this article, Quantum Machine Learning Algorithms for Optimization Problems: Theory, Implementation, and...

08 August 2024 6,690 3 View

Does Anyone have expertise in in vitro transcription and RNA pull down assay?

I am currently working on LncRNA; to know the lncRNA-protein interactions I want to do RNA pull down assay, so I need to design primers with T7 promoter. I need assistance in this regard.

07 August 2024 6,622 1 View

How to fix background error in rietveld refinement of one XRD peak using GSAS-II?

I want to refine one XRD peak of my in-situ xrd but the background is never working good which ultimately fails the refinement. How to refine and adjust the background using GSAS-II

05 August 2024 5,291 2 View

How can I add own Henry coefficients in Aspen Plus?

Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?

05 August 2024 2,333 2 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Can usage of AI tools like chat GPT in research work is recommendable ?

AI tools like ChatGPT can enhance research work significantly when used responsibly and in conjunction with thorough human oversight.

05 August 2024 1,842 3 View

Usage of internal standards in LC-MS/MS analysis?

Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...

05 August 2024 3,084 6 View

ANY free software for reconstructing neurons in the microscopic image?

Hi everyone, I am working on brain slices for visualizing a protein in the soma and dendrites, using a fluorescence tag. However, I need a tool (not paid) for reconstruction of the whole neuron,...

04 August 2024 4,725 2 View

How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...

04 August 2024 8,997 1 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View

I need to dissolve stigmasterol for an animal experiment, it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent?

Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?

01 August 2024 7,504 2 View

What is the suitable solvent of MIL-100 for chemotherapy?

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

Kraft lignin and MMA(Methyl meth acrylate) free radical polymerization for synthesis of thermoplastics?

I am conducting free radical polymerization using Kraft lignin and MMA, with DMSO serving as the solvent and there is also an initiator. Following the reaction, I obtain a solution, but I am...

15 July 2024 9,827 1 View

Regarding solubility of Dorsomorphin in DMSO ?

I'm using Dorsomorphin (C24H25N5O) as one component in dual SMAD inhibition of pluripotent stem cells to differentiate into neurons alongwith SB431542. Now as to solubilizing 10mg SB in DMSO for...

11 July 2024 4,832 0 View

What is the basic difference between gum and hydrocolloid?

30 June 2024 4,031 3 View

My material is AlSi10Mg made by Selective laser melting. Why i am facing difficulty in EBSD?

1. Which phase should I select during EBSD? 2. Attached image is the polished surface but in your opinion what is on the surface of sample? it is oxide or colloidal? 3. Diamond polishing by paste...

27 June 2024 5,248 2 View

Does anyone have suggestions for this esterification?

I have a very polar alcohol (soluble in MeOH, H2O, partially in heated DMSO). And a long chain fatty acid that I would like to couple. I can't find a common solvent for them. I can form the...

24 June 2024 9,319 0 View

Why I am facing difficulty in EBSD of AlSi10Mg (made by selective laser melting)?

I had polished my sample till 3000 grade manually then done diamond polishing by 3 micron, 1 micron and 1/4 micron (By Diamond paste and aerosol). After that I had done colloidal polishing by 0.04...

19 June 2024 5,343 3 View

Control of Colloid Stability through Zeta Potential/ book?

please i need this book as pdf (Riddick, T.M. Control of Colloid Stability through Zeta Potential; Livingston Publishing Company: Wynnewood, PA, USA, 1968)

15 June 2024 9,973 3 View