Does anyone is working on the HEMTs based Bio/chemical sensors .... How efficient are they comparatively ?

I am working on III-nitrides and related application since long, however started exploring HEMTs recently. I am trying to explore HEMTs for different sensors ... Does anyone is working in this area?

31 December 2016 4,025 0 View

Search for a perfect ligand for the selective and sensitive arsenite detection?

I am working on the arsenic detection via photo-electrochemical/optical route using different nanostructured material. Can anyone help me to get a perfect ligand for the selective and sensitive...

07 August 2016 5,994 2 View

Finding potentail window of electrolyte and various working electrodes (Au, Pt, GC, Ag). Isn't there any database available on this ?

How one should start then to find the potential window of electrolyte and various working electrodes (Au, Pt, GC, Ag). Isn't there any database available on this ?

03 April 2016 4,198 2 View

How to functionalized carbon quantum dots with GSH (Glutathione) or DTT (Dithiotheritol) ??

How to functionalized carbon quantum dots with GSH (Glutathione) or DTT (Dithiotheritol) ??

03 April 2016 5,108 2 View

Can you help me with a problem in electrochemical impedance data recording?

I am working on electrochemiocal sensor and facing some problem in impedance analysis. I did impedance of my modified electrodes (results attached) in 5 mM ferri/ferro solution containing 0.1 M...

02 March 2015 3,900 11 View

How do I detect arsenic in carbonate buffer?

02 March 2015 3,989 4 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

What is the indication of the absence of peaks in Methanol electrooxidation CV curves ?

I have several question regarding the MOR; hope anyone help me better understand. 1- in CV using (KOH+MEOH) what is the indication of absence of the redox peaks? shouldn't they exist as a sign...

28 February 2021 4,851 8 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 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

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 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