How can we determine the surface area or number of active sites of Pt on supported catalyst using CO pulse titration method?

03 August 2016 1 3K Report

I need to find out the TON and TOF for oxidation of VOCs on Pt/support catalyst.

The standard practice assumes that one CO molecule adsorb on one surface Pt atom. If you assume that an active site is a surface Pt atom, then number of active site is simply equal to CO uptake (usually given in umol).

More Shazia Sharmin Satter's questions See All

Can anyone here guide how to write a good patent?

Dear Scientists I want to a person to guide me how to write a good patent.

08 February 2021 3,297 5 View

I am looking for a postdoc. Can anyone guide me in this respect?

My PhD thesis entitled as "Anticarcinogenic activity of Terpenoid containing plants against induced Hepatocellular Carcinoma (HCC). My extensive experimental work critically examined the potential...

08 February 2021 8,628 3 View

How can we assess professionalism for medical students in COVID-19 ear , when assess is being done online for most of the course?

Assessing professionalism is very challenging these days when most of assessment is online . We can declare students proficient un till unless we assess professionalism.

21 December 2020 2,467 3 View

Helo everyone, I am looking for 4T1 cell for mouse model. from where can I get it at cheaper price?

I am trying to make syngeneic mouse model for TNBC for that I need 4T1 cell line. It is quite expansive commercially. So if anyone knows from where to get it or if someone can share it will truly...

15 October 2020 1,979 2 View

I need to make animal model for TNBC.My institute lab do not have facilities for athymic/ nude or scid mice, can anyone guide to to proceed with this?

i want a xenograft MDA MB231 cell line animal model. can ER, PR and HER2 negative model be prepared by using an immunodeficient mouse model eg. BALB mice and which chemical can be used for this...

17 August 2020 7,279 3 View

Need advise about Journal selection ?

I am looking for Journal to publish a review article on COVID-19 and role of AI in pandemic. Kindly suggest me open access and free publishing journal. Thank

18 May 2020 9,202 9 View

how can i make sure that bacteria are growing on polymer surface?

I have made polymer films on glass substrate through spin coating and then tested them against E.coli using JIS Z2801 protocol. No colonies observed in any dilution. How can i make sure that...

18 February 2020 3,666 3 View

How i can resolve solubility issue of polyvinyl phosphonic acid polymers?

I have attached Bi metal to polymer and i want to analyse it for Bi and P through ICP-OES but the complexes are not digested in conc. HNO3, I dont have access to MW acid digester or LA-ICPMS, what...

23 September 2019 2,786 1 View

What is the difference between a medicine and drug?

11 April 2018 2,155 17 View

Is CO-chemisorption method the correct way to find out the dispersion and size of Ru nanoparticles impregnated in mesoporous silica?

If the above case is correct (which I have seen in a few papers), in case of synthesis of Ru-Pt bimetal on mesoporous silica, the CO-chemisorption will give the dispersion of both the metals...

20 February 2018 2,910 3 View

How to polymerize TEOS?

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

How to quantify carbon deposition on CuZnAl catalyst?

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

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

Best plasmid could be used as a standard curve for AAV titration?

I have been trying to have a good AAV titration for my production and I have tried different plasmids to set up as a standard curve but each one behaves differently. i am trying to use ITR for...

23 February 2021 5,167 3 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View