Mohammad Sadegh Aghajanzadeh

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Questions related from Mohammad Sadegh Aghajanzadeh

How to sterilize GelMA when we use it as a bioink?

I would like to incorporate cell lines into GelMA and 3D print it. However, not being sterile is one of our challenge as we get contamination after a while. So, could you tell me or send links of...

26 June 2024 6,742 0 View

Using GC/MS to look at the ECM content of decellularized lung/breast tumors?

Hello colleagues! I am looking for papers on decellularized lung/breast tumors. In particular in papers where the authors looked by GC/MS at the content of ECM in lung and breast cancers. I...

12 June 2024 4,548 0 View

Why does my hydrogel make the pH of the medium acidic?

I have oxidized one polysaccharide and make a hydrogel with Schiff base reaction with gelatin, but the hydrogel makes my medium acidic. I cannot realize what step of my work is wrong.

19 August 2021 2,289 3 View

How can do live/dead assay with hydrogel?

I have two question First, how should I sterilize my hydrogel or hydrogel's ingredients for a live/dead assay? The ingredients are not autoclavable. Second, how can I mix cell suspension with my...

19 August 2021 2,620 3 View

How can sterilize the hydrogels for Cellular tests?

I want to do cells viability assays for my hydrogel, but I don't know how should sterilize it. The ingredients of my hydrogels are gelatin and xanthan oxide, which are not autoclavable. Can I make...

19 August 2021 1,897 0 View

How can solve/disperse silicon nanoparticles in water?

I want to add silicon nanoparticles to my hydrogel, but when I sonicated these particles with water to disperse them in water, they agglomerated on the water's surface. How can I disperse them in...

27 January 2021 668 4 View

What is the difference between silicon nanoparticles and silicon microparticles?

Does anyone know what is the difference between silicon nanoparticles and silicon microparticles in biomedical and tissue engineering applications? (In terms of release of silicon ions, drug...

08 August 2020 4,648 2 View