How can I know the thickness of pyridine polymer with QCM?

I use a 10 MHz QCM to monitor a pyridine polymerization process, if the frequency is reduced by 20000Hz, and pyridine solution is 0.1mol/l with 0.86V polymerization voltage, then what is the...

01 February 2015 5,751 2 View

Can anyone tell me how to coat a quartz crystal disk (0.162mm) with graphene?

08 September 2014 5,962 3 View

Can anyone give me a good method to prevent false positive in loop-mediated isothermal amplification?

08 September 2014 3,253 4 View

Is anyone interested in multimode quartz crystal sensor ?

06 July 2014 9,293 2 View

Why do we have peaks that are not pesticides that we already know in pesticide residue analysis?

When using the instrument (GC or HPLC) for pesticide residue analysis, we found that there are many peaks that are not pesticides we already know , Also the peaks are not from chemicals of...

06 July 2014 682 7 View

Does anyone know of a physical method to obtain Nano-surface?

Nano-surface is a strong hydrophobic surface.

02 March 2013 7,298 2 View

Would anyone like to learn more about a Quartz crystal resonator related sensor?

Quartz crystal resonator related sensors are very complicated systems. Many studies that have been done by researchers may be a small part of it. So I hope someone has realized this and...

01 February 2013 1,574 0 View

What is the possibility that multidimensional sensors are created?

Could someone tell me the possibility that Multidimensional sensors are created

08 September 2012 3,840 15 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

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

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

How can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View