Farha Memon

15 Questions 4 Answers 0 Followers

Questions related from Farha Memon

Can reduction of copper nanoparticles in powder form happen in solvent-free environment with the aid of thermal energy and reducing agent?

I want to carry out an experiment in depositing thin film of copper on plastic or glass substrate. I have read papers on depositing copper nanoparticles formulated in ink form with solvent,...

10 May 2024 5,997 1 View

How should I prepare sample for capturing SEM image of ultra-soft polymer nanocomposite?

Dear all, I have prepared ultra-soft PDMS CNT-CB nanocomposite with Young's modulus of around 2kPa. The total carbon filler dopped in PDMS matrix is 0.3%. However, when I took SEM image of...

06 October 2019 798 4 View

How to concentrate magnetic field of 0.6 T magnet?

I have 0.6 T cylindrical axial -permanent magnet. I want to concentrate the magnetic field axially. I am thinking putting a conical implant which can concentrate the magnetic field to the tip of...

14 May 2018 3,246 3 View

Which ASTM series is applied to tensile testing of CNT reinforced PDMS elastomer?

Dear all, I have made a nanocomposite of CNT-PDMS nanocomposite and wish to do tensile testing of this composite. I came across papers with other material wherein they follow specific ASTM...

23 March 2018 2,521 3 View

Can one disperse MWCNTs at concentration 2 mg/ml chloroform for making piezoresistor?

I am trying to make piezoresistors. I would not like to use higher amount of solvent. Most literature uses 0.3 mg CNT per ml chloroform for dispersing them using tip ulrasonication. Is it suitable...

13 January 2018 8,735 3 View

Can anyone suggest me literature which can guide me with the designing of piezoresistors in polymer pressure sensor?

I wish to fabricate low pressure piezoresistive polymer pressure sensor. I would like to go through literature/book which guide me with designing/configuration of piezoresitor in the diaphragm.

28 November 2017 6,479 1 View

How to characterize the piezoresistive diaphragm made of elastomer with poison ratio 0.5 and young's modulus 100 kPa?

I have fabricated a highly flexible (elastic) piezoresistive diaphragm whose young's modulus is 100kPa and poison ratio of material is 0.5. Now I wish to see the sensitivity of the device. I...

14 August 2017 418 0 View

Do we need to heat MWCNTs before making nanocomposite with polymers?

Hello all, I have been heating carbon black at 140 degree cencius for 2 hours before making composites with polmer. This used to improve conductivity. Now I want to use MWCNT as conducting filler...

04 August 2017 10,024 5 View

I could not get conductivity when I made upto 15% Carbon black in PDMS matrix to make nanocomposite.

I am trying to make Carbon black/PDMS nanocomsite for piezoresister. However, ever after using upto 15% carbon black, I could not get conductivity. I dont walk to increase concentration further as...

23 July 2017 3,312 5 View

Which of the filler-Silver nanoparticles, Carbon Black, Graphene or CNTs would increase the young's modulus of polymer composites?

If add 20% of Silver nanoparticles, Carbon Black, Graphene or CNTs to uncured polymer and let it polymerize which of all this would increase the stiffnss or young's modulus of compsite as compared...

23 July 2017 9,696 5 View

How can I get concentrated magnetic field on a glass slide kept on magnet?

So I have been trying to trap Plasmodium infected RBC on a glass slide of 300um thicknees. I have a rod magnet of 0.8 T on the surface of the magnet. On the surface of the 300 um thick glass...

19 July 2017 465 3 View

Can paper withstand silicon dioxide sputtering in dielectric sputter?

I wish to sputter silicon dioxide or any other dielectric oxide using dilelectric sputtering instrument on paper coated with graphite. will this process burn the paper or pull out graphite?

11 July 2016 4,991 4 View

I wish to generate hydroxyl group on gold substrate. which is the best method for it?

I wish to silanize gold substrate to immobilized my proteins for SPR studies. Can anyone suggest a method to generate hydroxyl group. can we go for oxygen plasma or air plasma? will it affect SPR...

21 April 2016 7,162 3 View

Does the purified antibody from soruce has the same PI?

If I want to know the isoelectric point of say rabbit IgG. Will all rabbit IgG irrespective of which antigen it generated for, have same isoelectric point.

16 February 2016 4,794 3 View

How can I replace a gene inserted in recombinant vaccinia genome with another gene?

If I have a recombinant vaccinia virus with a gene inserted into TK locus for selection then how do I replace this gene with another gene. I came across a method called direct ligation, but I feel...

02 January 2015 1,664 1 View