whether the degree of quaternisation could be estimated by conductometry using standard silver nitrate solution. I would like to get the calculation and a reference for the same.
I have IMD grid data (0.25 by 0.25 resolution) in text format. How to extract rainfall data of a river basin? any tutorials? If it's not possible in ArcGIS any other software? I am familiar with...
24 August 2020 8,109 11 View
Warm greeting to all, Are there any reasons why Staphylococcus aureus more resistant against salt, if it's compared to Bacillus subtilis? and why Bacillus subtilis not growing well under salt...
11 January 2020 595 3 View
I want to screen a Pseudomonas aeruginosa mutant which would have a lacZ gene after being conjugated with E.coli. But unfortunately, on xgal plates i endup having accumulation of blue color...
26 November 2019 9,233 1 View
i would like to synthesize PVP nanoparticles or emlusion. But after washing it with NaOH, the top portion separates as a gel. is it the right way to proceed. and to make emulsion, vinyl pyridine...
18 April 2018 9,973 3 View
Need to understand the long term changes in the release from upstream storages to the intensively cultivated delta. Normally flows are from July to Feb months only, over the years flow has...
07 February 2018 7,072 3 View
We have tried running gels with both CBB G250 and bromophenol blue in separate gels and a significant variation was observed in both the gels. Bromophenol blue showed a smeared band and CBB showed...
22 June 2017 1,460 7 View
Many times when a complex geometry is meshed in Ansys I am not able to get every element above a certain quality (as shown from the mesh metric data). Will such a model give an accurate result....
25 December 2016 6,733 3 View
I have ONIOM file which consist of two layer i.e. High Layer (HL) and Low Layer (LL). HL was adjusted for 5 amino acid residues and LL for rest of residues. When I run in Gaussian09, I got failure...
01 January 1970 9,673 2 View
I had make made ONIOM input file from PDB file used 2 layers i.e. B3LYP/6-311++G(2d,2p): AMBER, but I don't know why it always get error (error message: "aborted....", "segmentation violation")....
01 January 1970 3,430 3 View
I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...
02 March 2021 7,626 1 View
In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...
01 March 2021 2,207 3 View
I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...
27 February 2021 4,285 3 View
Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...
25 February 2021 7,493 6 View
Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...
21 February 2021 8,680 1 View
Are there alternatives to the Devarda alloy when estimating nitrogen? devarda alloy is reducing the nitrate to ammonium
15 February 2021 8,838 3 View
I have chemically synthesized silver nanoparticle to combat microbes on wound site. I have used many methods of synthesis, but I found minimal field of silver NP product.I am getting whitish...
11 February 2021 4,964 13 View
I understand that the ability of standard salt solutions commonly used to produce a certain relative humidity (RH) in a closed space changes somewhat with the temperature. Where do I find data...
04 February 2021 7,370 4 View
Hi Dear colleagues This was my first experience on SSCP, and I couldn`t get any band by silver staining! Staining with Et Br was successful. I mixed the PCR product with formamide loading dye,...
01 February 2021 8,788 6 View
I have synthesized silver nanoparticles using sodium citrate as reducing agent. I have carried out XRD characterization by drop coating colloidal solution on the glass substrate ( since yield in...
27 January 2021 1,416 3 View