Please help me to find out some electrochemical active biomolecules other than DA, UA ,AA, FA,aminoacids, and vitamins?

More Karthikeyan Rangasamy's questions See All

Why size of the quantum dots increased after attachment on the glassy carbon electrode surface?

Size of the quantum dots is 2.3 nm after attachment on glassy carbon substrate, the size drastically increased to 40 nm. but shape of the Quantum dots is retained. is it due to aggregation?...

02 March 2019 2,062 3 View

Is it possible to get high electrocatalytic activity with electrode with lower electroactive surface area?

is it possible to get high electrocatalytic activity with electrode with lower electroactive surface area? what are the factors affecting electrocatalytic activity of the modified electrodes?

05 June 2018 6,479 0 View

Is it possible C-O bond formation like C-N bond in glassy carbon electrode in the basic condition?

is it possible C-O bond formation like C-N bond in glassy carbon electrode in the basic condition? In alkaline condition is Carbon-Oxygen bond formation possible in glassy carbon electrode?

31 December 2017 1,140 0 View

How to elucidate the structure of carbon dots?

How to find the exact structrue of carbon dots? i want to find the structure of carbon dots precursor for carbon dots was glucose is there any relation between precursor and structure of Carbon...

09 October 2017 8,278 1 View

Doubt in BSA capped Nanoparticles?

BSA is bulky protein molecule. when it used as capping agent using borohydrate as reducing agent is it borohydrate to unfolding of Protein is there any change in the nature of protein and how it...

05 June 2017 6,279 3 View

How to remove Gold nanoparticles from glassy carbon electrode surface?

please anyone help me to clean Glassy carbon electrode modified with AuNPs . how to remove AuNPs from Glassy carbon electrode surface and also from sides of electrode

04 May 2017 6,120 7 View

Role of laviron equation electrochemical determination of methyl parathion?

in the electrochemical determination of methyl parathion from laviron equation it follows 4 electron reduction while doing effect of pH i got 15 mV /pH i am, confused between laviron and nernst...

04 May 2017 4,533 0 View

Is there any relation between pH and surface area?

in modified electrodes at particular pH, higher current and less negative potential are obtained. so, is there any relation between electroactive surface area and pH?

02 March 2017 8,398 0 View

Can anyone suggest me negative redox potential biomolecules ?

please help to fine negative redox potential biomolecules like Hydrogen peroxide

01 February 2017 3,216 0 View

How to find the concentration of carbon dots?

How to find the concentration of Carbon dots? from weight of the starting materials how to find the concentration of carbon dots. is there any relation between the total weight of the starting...

31 December 2016 2,962 1 View

What procedure should I follow for current controlled PPy film electrochemical deposition on ITO?

For example, I perform passivation process before electropolymerization of Py for adhesion to titanium surface. Is a similar or different procedure required for ITO? If necessary, I would be glad...

06 August 2024 3,175 0 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,781 2 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

Do some Staphylococcus aureus strains have in vitro antimycobacterial activity ?

Some Staphylococcus aureus strains Inhibit the growth of Mycobacteria in Mueller Hinton Agar medium containing 10% OADC. Do some Staphylococcus aureus strains have in vitro antimycobacterial activity?

29 July 2024 10,022 2 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

What binder would be the best choice to modify glassy carbon electrode with a 2D Material like Graphene or MXene?

I am trying to drop cast 2D Materials on Glassy Carbon Electrode for Cyclic voltametry and EIS purpose. What would be best binders to use?

23 July 2024 5,776 2 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,030 1 View

Trouble finding an anti-Digoxigenin antibody to perform Southern Blot technique?

I'm currently using Roche anti-DIG-AKP Fab fragments to perform Southern Blot assays, but this reagent is delayed since november last year. It's anybody facing the same problem? If so, how are you...

15 July 2024 6,668 0 View

Anran Chen

hi, what is FA?

Vedagiri Lakshminarayanan

Heme proteins are redox active molecules. examples are Cytochrome, haemoglobin ,HRP and also many other redox active metallo proteins you can find in literature.

Karthikeyan Rangasamy

FA means Folic acid

Yangping Wen

hormones such as indole-3-acetic acid,salicylic acid,maleic hydrazide,6-benzylaminopurine