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 condition required for coating of Fe3O4@SiO2 by using APTES?

I tried coating Fe3O4@ SiO2 by using APTES in 5% water-ethanol but it is not coated. Kindly suggest a solution for it. Thanks

24 February 2021 5,992 4 View

How to calculate Transport properties using impedance spectroscopy for polymer nanocmposites?

Hello Friends / Teachers . I have obtained data from hioki impendence analyzer IM3570 But i am not understanding how to calculate Transport properties for polymer nano composites .

24 July 2020 5,611 2 View

How to obtain the sputtering yield of different species in Quaternary sputtering target?

we have prepared the CZTS thin films using single target in RF sputtering. which formula should i use to obtain the sputtering yield of different atoms such as Cu, Sn, Zn . is it possible to get...

15 October 2019 1,699 6 View

How to obtain the crystallinity and strain in the thin film using RAMAN shift?

we have deposited the semiconducting thin film (CZTS) using sputtering. is it possible to obtain the crystallanity and strain in thin film using RAMAN spectra? which formula should i use for that?

09 September 2019 8,088 1 View

Is it possible to get different RAMAN shifts for the same sample deposited by different process parameters?

I have deposited CZTS by RF sputtering at different temperatures, pressures and powers. In RAMAN analysis i am getting peaks at 334,337,330 cm-1 is it possible to observe these kind of shifts due...

04 September 2019 5,898 2 View

Can someone help me find some legal practitioner's commentaries on Artificial Intelligence impacting the Corporate Governance Code?

I am researching on impact of Artificial Intelligence on the Corporate Governance Code for my Legal Practice Course and would appreciate any help and guidance on the same.

22 March 2019 3,525 2 View

Using floating dead cells in western blot analysis after drug treatment?

Hey guys, I need your help to decide if I should include floating dead cells in my western blot analysis. I am looking to check expression of certain proteins after drug treatment in adherent...

28 January 2019 4,354 10 View

Does , thickness of counter electrode, i.e Gold, affect the solar cell performance? In Perovskite solar cells?

want, to know whether, there is any optimal value of gold's thickness? for Perovskite solar cell?

01 May 2018 5,685 5 View

Which is the best compositon for the spiro-OMeTAD in perovskite solar cell?

27 April 2017 1,326 10 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View