CV vertex current is increasing and peak is shifting? Any good reference pointing those issues with dicussion?

Hello, I am looking for some good references that are mentioning/discussing/resoning the shifting of oxidation and reduction peaks as well as describing the reason of increasing the vertex current...

03 April 2019 7,534 4 View

Electrolysis using Ti electrode? better or bad?

Hello all, I am using a nano-indention device (JKR) to check adhesion capability of polymer gel under electric condition. I place two electrode on top of my sample. one electrode is indention stem...

02 March 2019 6,910 2 View

Electrical conductivity and resistivity of graphene?

Hello, I was looking for a electrical conductivity and resistivity value of graphene sheet but could not find any. Most of the info says it is superconductive without any value. Will be happy to...

31 December 2018 6,856 4 View

Why N-Acetyldopamine is giving 2 oxidation and reduction peaks?

Hello I was checking the peak of N-Acetyl dopamine using cyclic voltammerty. The electrolyte was pH 7.4 tris buffer. N-acetyle dopamine was diluted in buffer. reference electrode ag/agcl, working...

09 October 2018 9,054 0 View

How to measure PPM from the Concentration?

Hello, I am trying to measure Acetone exposure amount to the sensor. I used to blow air through acetone and pass the air into a flowmeter which gives reading in cc/Min. and then the output air...

31 December 2016 490 5 View

How to make graphene layer non reactive to water vapor?

Hello, Just asking to get some knowledge, how can I make graphene layer non reactive with water vapor exposure? will appreciate any kind of paper or information. thank

10 November 2016 3,521 3 View

How to make SnO2 and TiO2 nanocomposite paste?

09 October 2016 556 5 View

ATR-FTIR of solvent exposing on graphene! IS my interpretation ok? need suggestion?

Hello I was trying to find difference between solvent exposure on graphene. I added a picture here. Is my interpretation ok about the bonding? though all the curve looks like same except the...

07 August 2016 7,627 5 View

Raman Peak undefined?

06 July 2016 5,190 9 View

Attenuted Total reflactance dip at 2400 cm-1. need explanation?

Hello Everyone, I am making some grapheme film, and exposing it to different gases. After that I am doing ATR(Attenuated Total reflectance) to see the effect. The problem is When I am exposing to...

06 July 2016 5,800 5 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

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

How to immerse bricks in wax ( for coating ) ?

Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax

28 February 2021 6,685 2 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 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

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View