Muhammad Jawad

6 Questions 4 Answers 0 Followers

Questions related from Muhammad Jawad

How to perform drug release analysis of drug loaded polymeric nanoparticles in PBS?

I've encapsulated hydrophobic drug in polymeric nanoparticles. How to check drug release percentage over a period of time. I would like to complete methodology and what kinetic models or formulae...

21 January 2025 7,239 5 View

Why DLS hydrodynamic particle size is different from SEM?

Recently I've observed that the size of polymeric nanoparticles is larger than the size shown in SEM images. The nanoparticles are also coated with PEG. Can someone explain why this issue is...

18 December 2024 9,913 3 View

How can I determine molecular weight of a polymer other than Gel Permeation Chromatography?

I am working on polymer but I do not have any access to GPC so I want to find alternative options.

08 March 2024 8,452 3 View

Where can I do gel permeation chromatography in Pakistan. Is it available in islamabad or Lahore at places other than Nust and PIEAS?

I need to find out molecular weight of a polymer.

28 November 2023 2,026 2 View

If you have a same nanocarrier but there are 8 variations of it how to justify that scientifically?

A polymeric nanocarrier has been established and to check it's entrapment efficiency 8 drugs having anticancer properties have been encapsulated in shell of nanocarrier. The question is why do...

01 January 1970 1,512 1 View

If a drug gives multiple absorbance peaks on UV Vis spectrometry, can we use any of the peak for drawing a standard curve.

I'm trying to draw a standard curve of a drug through UV Vis spectrometry. The drug gives multiple absorbance peaks when spectrometry is performed in range. The wavelength at which the lamda max...

01 January 1970 5,429 3 View