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Questions related from Bibek Thapa
We PEGylated nanoparticles in DMSO with (5KDa PEG). Then we performed dialysis using a membrane of 3.5-5 kDa MWCO against DI water. Our nanoparticles has mol. wt. of 441 g/mol (441 Da) and size...
14 December 2021 5,788 12 View
I want to conjugate APTES with COOH-PEG-Folate. The purpose is to make amide bonding between -NH2 of APTES with COOH of COOH-PEG-Folate. Is this possible by EDC/NHS crosslinking? Which medium is...
04 November 2021 3,865 14 View
I need to use the crystal structure of Tantalum Oxide nanoparticles to calculate drug loading efficiency calculation.
29 July 2021 5,955 10 View
I would be thankful to you all for the answer to my following curiosity: Magnetic resonance imaging (MRI) or NMR exploits the proton spin of H-atom in water (mostly). Protons' spins are...
12 March 2017 7,412 5 View
I carried out RT VSM measurements of iron oxide nanoparticles using 7400 series Lakeshore VSM system. I noticed the curve splits at saturation magnetization (see the attached pic). Could anyone...
07 November 2016 3,166 14 View
I would be grateful to you if somebody suggests me to solve my problem. I synthesized oleic acid coated iron oxide nanoparticles by thermal decomposition method. Now for XRD and VSM measurements,...
13 July 2016 1,910 2 View
I have magnetite (Fe3O4) powder coated with PEG (M.W 3350). I am unable to calculate how much powder should be added to water to obtain aq. solution of powder with iron concentration of [Fe]=1 mM....
20 November 2015 3,132 3 View
If the sample is not in the right height, the XRD spectra will shift due to the fact that: incoming beam has certain divergence, and the detector has certain angle of acceptance.
14 November 2014 4,953 1 View
