How does a nafion membrane work to block interference?

In bio-sensor applications nafion is often used to prevent anionic interfering species (e.g ascorbate, urate etc) from reaching the electrode surface while letting the sensor sensitive to only...

04 May 2016 7,034 2 View

Solvent for Cellulose Acetate?

04 May 2016 5,174 10 View

How can I fabricate a Ag/AgCl reference electrode?

06 July 2015 1,016 16 View

Is there anyone who worked with MLX90129?

How does MLX90129 work as a transponder chip or RFID tag? It does not even have its own antenna. We can actually fabricate our own RFID tag simply just having an antenna along with a capacitor....

05 June 2015 6,227 1 View

How can I solidify gel?

31 December 2014 5,534 3 View

What are the reactions going on in Ag/AgCl reference electrode?

Hi, Ag/AgCl reference electrode uses an electrolyte of KCl solution saturated with AgCl. The most often seen reaction in literature is AgCl= Ag++ Cl-. But what are the actual reactions going on...

31 December 2014 5,983 4 View

Tutorials CHI 1200 series Electrochemical analyzer?

Is there anyone who has used or have any idea on this series? I badly need some tutorials specially on CV analysis. Any suggestions/ links would be much appreciated.

31 December 2014 8,939 3 View

How to test standard potential of Ag/AgCl reference electrode?

Hi, I am trying to fabricate my own Ag/AgCl reference electrode. How can I measure the potential of it? What is the process people usually do to check the potential and the stability of potential...

31 December 2014 5,708 10 View

Why is Ag/AgCl used as a reference electrode in amperometry?

Most of the amperometric experiments done I have seen in different publications used Ag/AgCl as reference electrode. Why is it necessary to do? What is the advantage of using Ag/AgCl electrode...

11 December 2014 5,205 3 View

How do you use an Ag/AgCl reference electrode for amperometry?

Is it necessary to have the Ag wire dipped into a KCl solution during using it as a reference electrode? Or can I just use the Ag wire having a layer of Chloride on it?

11 December 2014 4,477 8 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

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

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

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 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

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

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 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

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