19 June 2022 3 5K Report

Hello, I’m looking for polystyrene/PMMA microsphere in Iran. Is there anyone to know where can I find them? Or could you please help me to synthesis them?

More Mahsa Souri's questions See All
What is the effect of moisture of the atmosphere on titer of Karl-Fischer reagent (one-component)?

I have a Karl-Fischer reagent (for volumetric titration, which is a one-component reagent) with a titer of 5mg/ml. All references unanimously say the Karl-Fischer solution loses its capability...

02 July 2024 5,044 3 View

What is bibliometric article?

Greetings and Regards I have a question about bibliometric articles about public health or nursing. If any of the researchers have experience or knowledge in this matter, please tell me. Thank You

15 June 2024 2,795 1 View

Is there any guideline for method validation for cosmetic?

Hi everyone Is there any guideline for method validation for cosmetic? I wanna know about criteria for that.

31 May 2024 1,990 2 View

Which types of data can be used for lung cancer mutation detection?

I am working on a project to detect genetic mutations in lung cancer using machine learning algorithms and I am new to genetics and medical sciences. Can I use RNA as input to the algorithm for...

13 May 2024 5,726 6 View

How can i prepare self healing hydrogel for MTT assay?

Generally when they want to use hydrogel for MTT assay, firstly they fix hydrogel with glutaraldehyde then use for MTT assay. so, now, i have self healing hydrogel and its have crosslinker in its...

11 May 2024 6,310 1 View

A question about optimization using Gaussian software?

The structure of hydroxyurea has been mentioned in different papers as a and b (attached figure). However, when I try to optimize the structure without restriction (at different theoretical...

18 April 2024 6,665 5 View

How can I extract and determination PAAs and PAHs in tatoo?

Hi Have a nice day I want to determination PAAs and PAHs in tatoo. Would you present and introduce methods to this?

02 April 2024 6,772 0 View

Is there a way to improve the fragility of polyethylene terephthalate after hot press?

"Hi, I gasify the polyethylene terephthalate granules and mold them using a hot press at a temperature of 260 degrees Celsius to prepare a bulk sample. However, after molding with the hot press,...

31 March 2024 8,668 0 View

How can I overcome the overfitting problem?

I have a dataset from lung cancer images with 163 samples (2D images). I use the fine-tuning of deep learning algorithms to classify samples, but the validation loss did not decrease. I augmented...

21 March 2024 8,344 6 View

Solvent for polyphthalamide?

Hello, I want to dissolve polyphthalamide in a solvent. I tested different solvents, formic acid, toluene, DMSO, alcohol-based solvents, etc. under high temperature and time, but it did not...

12 March 2024 3,030 1 View

Similar questions and discussions
Does anyone know where to find polypropylene microspheres or microparticles around 1-5micrometer?

These will be used for the study of microplastics in the lung

29 July 2024 9,609 2 View

How to resolve ‘[ atomtypes ] Invalid order for directive atomtypes’ error in Gromacs?

I have been using Gromacs 2021.7. I wanted to simulate two small molecules in water. But, while generating the ions.tpr, I am getting the following error. The topol.top and .itp files for each...

17 July 2024 9,897 4 View

What is alternative for PMMA?

If we want to introduce a material similar to polymethyl methacrylate "with the characteristics mentioned in the next paragraph" that can be added to a precursor and create a composite, which...

03 July 2024 2,371 1 View

To prepare polymethyl methacrylate polymer for the study of acoustic properties without of bubbles during this process, what measures should be taken?

To prepare polymethyl methacrylate polymer for the study of acoustic properties, a mixture of methyl methacrylate monomer and benzoyl peroxide is used. This mixture is then heated and placed on a...

27 June 2024 2,087 1 View

Can i use polystyrene as a matrix in a hybrid COMPOSITE?

fiber powders will be used as a reinforcement.

23 June 2024 10,027 3 View

How to functionalise the surface of a PMMA microparticle with amines?

I have porous PMMA microparticles up to 1mm in diameter. I would like to functionalise the surface with amines whilst keeping the particles intact. Chat GTP has recommended ethanolamine or ATPES...

13 June 2024 7,977 1 View

How can I get RAW264.7 cells to differentiate into osteoclasts?

I can't get RAW264.7 cells to differentiate into osteoclasts. I've tested different densities: 5000 cells/cm2 , 10,000 cells/cm² and 20,000 cells/cm² in 35mm polystyrene. I use DMEM medium, 10%...

12 June 2024 4,604 1 View

What is the reason for certain size measurement errors using Dynamic Light Scattering?

I am currently doing some initial tests on the size of carboxylate-modified polystyrene beads in deionised water to determine their interaction with BSA with and without the addition of PLL-g-PEG...

09 June 2024 5,603 7 View

What is best stabilizing buffer for conjogation of quantum dots to antibodies?

We are researching the conjugation of various antibodies to quantum dot microspheres and europium microspheres. The sustainability results have been unsatisfactory. Which stabilizing buffers do...

25 May 2024 7,663 3 View

Does anyone know how to Coat polystyrene particles with APTES ?

I want to have amine group attached on the polystyrene particle surface. APTES can be used to do that.

21 May 2024 8,092 0 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close