Does magnetic stirring helps to avoid agglomeration of particles during synthesis of nanoparticles

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

What is the best practice for resuspending cell pellets during competent cell preparation (both electro and comp)?

I'm fairly new to making homemade comp cells and have done so with some mild success. What is generally an acceptable way of resuspending comp cells during wash steps? I've been told to swirl the...

31 July 2024 8,309 0 View

What is the best method for removing paraffin from plant samples prepared for microtome?

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24 July 2024 3,087 3 View

I want to buy Hydrothermal Synthesis Autoclave from any European company. Can anyone suggest any company inside Europe?

Thanks

22 July 2024 1,143 3 View

Hi dear researchers, do you suggest the best and shortest path for chemical synthesis and green synthesis of magnetite(Fe3O4)?

Suggest the best and shortest route for the chemical synthesis and and green synthesis of magnetite(Fe3O4) The chemical synthesis should contain the least dangerous chemicals along with full...

21 July 2024 2,476 2 View

Im trying iodination of an arene, but only getting black precipitates, is there anyone with iodination experience who can advise?

Organic Synthesis. My student has been trying iodination of arenes (our goal is to iodinate p-phenylenediamine) following these literature procedures: 1. Synthesis 2004, No. 11, 1869-1873 using...

16 July 2024 6,630 1 View

What could be the possible reason that sintering of polycrystalline diamond fabricated with tape casting has suddenly started failing?

I make polycrystalline diamond with tape casting followed by HPHT sintering. When i sintered the samples up till May, the sintering was good. When i sintered the samples in June and July at the...

16 July 2024 3,212 5 View

Liposome Preparation using Heating Method - Why does my liposome suspension form aggregates?

Hello everyone, I am trying to encapsulate an essential oil in the liposomes using the heating method and encountering some issues. I am following the protocol described below, but my solution...

10 July 2024 4,083 3 View

Why is my HPRT1 housekeeping gene not coming at same Ct in qPCR?

I am doing qPCR but my HPRT1 Ct is not coming at the same point. I see a 2 cycle spread in Ct. I have checked my RNA quality A260/280, 230/280 values, did ethidium bromide gel. I used superscript...

04 July 2024 5,605 3 View

About exosome isolation?

Hi, All, I am relatively new for exosome isolation. I used an izon column 70nm to isolate exosomes from differentiated neural cells, but the concentrations were pretty low after NTA analysis (I...

01 July 2024 2,558 0 View

Edwin A. Murillo

Hello dear it depend on the viscosity of your system, if you are talking me about miniemulsion polymerization, my answer is negative (No). The preferred stirring method is mechanical. For example some methods like sol-gel employ magnetic stirring

Wesam A A Twej

Hi my hint is to look for fixed pH value to keep the zeta potential in correct value

Suresh Sathyanathan

Thank you friends