Anybody has expertise in wire bonding on polymer thin films, especially PVDF?

Hello all, I am looking at methods to take electrical connections from metal pads on polymer thin films. Our metal pad dimensions are less than 200 micron X 200 micron and therefore, conductive...

05 June 2019 6,052 3 View

Direct measurement of soil pH??

I have a problem in which I need to measure the pH of soil directly (without making any soil solution). Is there any method by which I can accomplish the same? I understand that this problem is...

10 November 2018 1,419 7 View

What is the easiest way to measure Boron doping concentration in a Silicon thin film deposited on glass/SiO2?

Dear all, Can anyone suggest me the easiest way to assess the boron concentration in a thin silicon film (50nm) deposited on a glass/SiO2 substrate? Will EDS in SEM help? There are literature...

06 July 2016 5,495 4 View

Which metal gives best result for metal assisted chemical etching?

We are trying metal assisted chemical etching in our lab. Since the metal layer for this purpose needs to be too thin (few nm), the adhesion of metal to the silicon substrate is poor. We observed...

07 August 2015 1,720 4 View

Measuring Young's modulus and other material properties of deposited thin films..?

Hi all, Does anyone have idea about measuring Young's Modulus, Poisson ratio and density of deposited/grown thin films? What will be the best method to calculate all these?

07 August 2015 8,625 1 View

Is amorphous silicon thin film (approx. 100 nm) optically transparent ?

I have deposited amorphous silicon thin film (appx. 100 nm) using PVD technique. Initial deposition trials were on silicon substrate and hardly I could differentiate the colour of thin film and...

06 July 2015 4,656 6 View

Any suggestions on the preparation of conductive SU-8?

I want to prepare a conductive SU-8 thin film. I have already tried preparing conductive SU-8 thin films by mixing CNT in SU-8 with different solvents. But none of these yield me a good and...

06 July 2015 198 4 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View