Should the RDE scan of electrochemical Oxygen Reduction Reaction be positive-going RDE scan or a negative-going RDE scan?

Hi, When we perform an electrochemical oxygen reduction reaction, should it be a positive-going RDE scan or a negative-going RDE scan? Thanks, Saurav

10 November 2019 4,707 8 View

What are the 3 basic conditions for impedance measurements that it must satisfy?

Hi All, Reviewer has asked to demonstrate that EIS data conforms the three basic conditions for impedance measurements. Can anyone please clarify what are these 3 conditions? Thanks, Saurav

04 May 2019 8,809 3 View

Can Mott-schottky plot be used in electrochemistry?

Hi, I have a semiconductor system that I am using to understand electroreduction reaction. Can I use Mott-schottky plot to comment on the n-type/p-type behavior of the system? My worry is that I...

02 March 2018 4,365 3 View

Can I use Stainless steel plate as counter electrode for accelerated degradation test in HER?

Hi, I have been using Pt coil as counter electrode for HER in 0.5 M H2SO4. Unfortunately, we can observe Pt leaching out from the coil during prolonged cycling. To avoid this I started using...

08 September 2017 6,375 7 View

Should we purge oxygen in KOH before performing electrochemical OER?

Hi, While going though the literature I found two sets of researchers- one who purge electrolyte with O2 before OER and another set who purge N2 before OER. I am confused what to do. Please...

08 September 2017 3,508 7 View

Can anyone help me with electrochemistry of Palladium in alkaline medium?

Hi, If I have two types of Pd in my system, will I observe splitted Pd-O reduction region in CV corresponding to the presence of two types of Pd? Thanks, Saurav

11 December 2016 5,078 2 View

What is the correct way for stability check for ORR?

Hi, I am doing stability check for my catalyst using ADT method. If I am doing a 5000 cycle stability check, then should I do the 5000 cycles in one shot or can I break up into 5 x 1000...

08 September 2016 2,978 4 View

Can I have an ECSA value of 10.9 cm2 for commercially available Pd/C?

02 March 2016 8,455 2 View

Can anyone please explain me the difference between NHE, RHE and SHE in a simple way?

I am too confused by the use of these terms (NHE, RHE and SHE) in research papers. Can anyone please help me out?

02 March 2016 8,755 5 View

Finding Problem with electron count calculation for ORR. Can anyone please help me out?

01 February 2016 5,871 7 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Can linear DNA be used as template for site-directed mutagenesis?

Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...

03 March 2021 401 4 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 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

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View