I tried to prepare Pt/Mxene catalyst for pemfc but not able to prepare catalyst ink for the fabrication MEA, because while preparing catalyst ink it appeares that the catalyst is not getting homogeneously mixed with the Nafion and IPA
I used Type169 for data exchange between Python and TRNSYS. Unfortunately, facing the following error. No proper documentation is available for this part. TRNSYS Message 105: A TYPE was called in...
14 February 2021 5,577 1 View
Can Amine (such as Et3N) be used as solvent as well as base for the Sonogashira Coupling? How to decide the amount of solvent to be used in any reaction? Does the amount of solvent affect the...
14 February 2021 4,018 3 View
I'm working on gram negative i want to use any natural extract (plant extract) or triple drug combination against its biofilm formation.
14 February 2021 1,403 3 View
I'm a new siesta learner, I'm working on lithium-ion batteries, I have calculated adsorption energy but i am not able to calculate diffusion barrier of Li ion. kindly help me how to calculate...
14 January 2021 2,688 1 View
Suggest some good journals having Impact factor more than 3 which is not an open access one for alternative and complimentary medicine?
11 January 2021 7,782 1 View
In alkaline lysis solution3 acetic acid should be used to adjust pH according to protocol. Can I use hcl instead of glacial acetic acid? Will there be any change in composition of solution?
08 January 2021 7,764 3 View
I want to extract plasmid dna from bacterial culture guide me what will be the most appropriate method.
05 January 2021 1,118 14 View
I want to promote peace and non-violence in school and collaborate for such initiative in future.
30 December 2020 973 3 View
Super austenitic stainless steel castings showed liquation crack after liquid penetrant testing post heat treatment. How to reduce this in thick walled castings.
26 December 2020 7,959 3 View
We have currently extruded Magnesium alloy AZ61A into Rods of 9.5mm diameter and are aiming to cold draw them to smaller sizes of 9mm, 4.5mm and 3mm. Can someone outline the cold drawing process...
24 November 2020 5,689 2 View
I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...
02 March 2021 1,404 6 View
Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...
01 March 2021 1,907 3 View
Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...
24 February 2021 9,902 5 View
I will be performing RNA isolation with frozen lung biopsy samples and am in the market for a tissue homogenizer. I am wanting a homogenizer that will fit in a 1.5ml tube. I was looking at the...
24 February 2021 3,623 3 View
I am designing a metal oxide catalyst and among many characterization of this sample, TPR emerges quite significantly. The brief explanation in journal is limited to the sample that is...
21 January 2021 6,346 1 View
Hello! We use homogenates of mouse brains for our aims (determination of cytokines by the ELISA method). After removing the brain, we freeze the tissue in liquid nitrogen, then store it for a...
19 January 2021 5,203 1 View
Hello, For now, I am following the integrated technique to derive the mass from the smaller scale (microstructure). Is there any better approach to get the mass of a given macro-structure from...
16 January 2021 4,792 1 View
I want to fixation Cl, K, Na in gasification slag, which type of catalyst can be used?
13 January 2021 2,145 2 View
I understand that glycerol should be reacted with propaoiocic acid to produce monopropionin and with butyric acid to produce monobutyrin , if you can help with the reaction conditions based on 1...
13 January 2021 1,151 4 View
In order to calibrate a model, I need to make mixtures of two or more substances with different concentrations. The substances are in powder form and the calibration model will then be used to...
12 January 2021 1,202 3 View