13 Questions 33 Answers 0 Followers
Questions related from S.M.Ali Dadfar
Dear all, Does anyone have experience with the pancreatin enzyme? It seems the solubility of pancreatin in water is very poor and I am looking for a way to increase its solubility (e.g. adding...
27 October 2022 6,745 4 View
Dear friends, For a clinical study, I need some synthetic bovine serum albumin (BSA) NOT obtained from animals! Does anyone know any company that sells synthetic BSA? Best regards Ali
06 November 2021 6,683 2 View
Hello everybody, Do you know how we can prevent the precipitation of iron oxide nanoparticles coated with citrate in DMEM media? Kind regards, Ali
30 May 2017 3,690 2 View
Hello, I am preparing liposomes with the thin film hydration method. I am working with DPPC,, DSPE-PEG 2000 and Cholesterol in methanol/chloroform (1/2 ratio). The phospholipids weight are about...
11 August 2016 9,035 6 View
Dear Scientists, Recently, I have faced with a problem and would like to ask you for some help. I am using Malvern Zetasizer for measuring the zeta potential of nanoparticles. But, I have noticed...
01 January 1970 9,720 4 View
Dear Scientists, I would like to consult you about an issue that I have regarding DLS. As we know DLS measures the hydrodynamic diameter of the nanoparticles according to brownian motion. Also, I...
01 January 1970 6,129 8 View
Dear all, I would like to ask you for a method for measuring the core size and shape structure of iron oxide nanoparticles in high viscose liquid (except XRD) which cannot be evaporated. Also, I...
01 January 1970 7,103 8 View
Dear all, I would like to consult you about the techniques or additives that can increase the stability of big nanoparticles (around 800 nm). Actually, the particles are precipitated after a few...
01 January 1970 4,647 20 View
Dear Scientists, I would like to ask you for sharing your experience regarding the relationship between molecular weight and size (nm). I know that there is no accurate way to find that...
01 January 1970 8,389 4 View
01 January 1970 1,976 3 View
Dear Researchers, I have to speed up the sedimentation time of a suspension including microparticles. I am looking for a non-toxic additive that can increase the precipitation time. It could be...
01 January 1970 1,660 6 View
Dear Scientists, I have recently faced an issue and need your help and suggestions. I tried to pass a sample solved in DMF via a polyacrylonitrile (PAN) membrane. But, the membrane shrank and I...
01 January 1970 4,568 2 View
Dear Scientists, I would like to consult you about the issue that I recently faced with that. I am planning to do 0.2 µm filtration of silica nanoparticles in water with a size of around 50 nm. I...
01 January 1970 6,173 1 View
