Hanieh Montaseri

10 Questions 21 Answers 0 Followers

Questions related from Hanieh Montaseri

Drug Content in Silica NPs?

I have loaded a hydrophobic drug into silica NPs and have been using indirect approach to measure the loading amount of drug based on the supernatnt but this approach does show me the right...

24 September 2024 3,093 9 View

Cancer biology reference book?

Anyone can suggest me a good reference book on cancer biology that covers drug delivery and discovery as well as basic concenpts of cancer biology?

26 June 2024 9,292 1 View

Release of drug from NPs?

I have loaded mesoporous silica nanoparticles with a drug and attached them to antibodies but after conjugation with antibodies, the nanoparticles loaded with the drug lose their functionality to...

13 May 2024 4,735 1 View

Amount of drug in mesoporous silica NPs?

I need to measure the concentration of a drug in the mesoporous silica NPs. Is there any method to measure the content directly? I know we can use indirect method to measure it in the supernatant...

22 November 2023 4,433 0 View

Gold nanostars coated with mesoporous silica?

I am trying to coat gold nanostars with mesoporous silica shell but many AuNSs are coated with silica instead of one individual nanostar. Anyone has any idea why and what I can do to have one...

04 February 2023 6,245 3 View

Conjugation of antibody to the gold NPs?

Anyone has a protocol regarding the conjugation of antibodies to the amine functionalized gold NPs (NH2-PEG-S-AuNPs)? I need to activate the carboxyl group of antibody with EDC/NHS and conjugate...

25 October 2020 2,248 16 View

Conjugation of PEG to AuNPs?

I have gold NPs and I am looking for a reliable procedure how to conjugate SH-PEG-NH2 to gold nanoprticles

31 March 2020 6,771 10 View

How to measure the absorbance of protoporphyrin IX (PpIX) through 5-aminolevulinic acid (5-ALA)?

5-ALA is a precursor of porphyrin, heme, and bile pigments, and it is metabolized into protoporphyrin IX (PpIX) in the course of heme synthesis. PpIX can accumulate into cancer cells and we then...

15 October 2019 4,846 4 View

How we can find the extinction coefficient of antibodies?

I need extinction coefficient of anti-HER-2 antibody. where can I find it?

09 August 2019 9,493 1 View

Modification of Janus nanoparticles?

I would like to synthesis gold/polyacrylic acid (PAA) Janus nanoparticles and modify gold hemisphere with a photosensitizer contains amine and carboxylic groups while the polymer hemisphere with...

29 July 2019 6,228 0 View