I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

How to read a flow cytometry graph detailing cell cycle?

Hello everyone, When determining cells in different stages of the cell cycle, cells are stain for Brdu and Propidium Iodide. I understand how PI can be used to discriminate between G1 and S/G2...

18 February 2021 3,920 3 View

What influences inter-day reproducibility in UPLC-MS/MS analysis?

I was analyzing some metabolites in human plasma. While the intraday precision of these metabolites was acceptable ( less than 20%), the interday precision was quite large. So what influences...

13 February 2021 9,183 9 View

How to improve NHBE adhesion after subculture?

I'm trying to subculture NHBE cells from Lonza, however, the cells seem to not adhere to the new flasks after detachment. I've followed Lonza detachment protocol (2 mL/25 cm2 of Trypsin 0.05% and...

10 February 2021 196 1 View

Where can I find FDI data by sector/industry for Asian countries like India and China for the last 30 years?

Common databanks like UNCTAD, OECD, WorldBank and ASEAN Website did not have the data for the last 30 years.

09 February 2021 4,701 4 View

Error While Solving Stiff Problems In COMSOL?

Hi, So I am trying to solve a stiff problem using Global ODEs and DAEs. The problem has 32 differential equations and I have inserted all the initial values correctly, however, I keep getting this...

28 January 2021 1,872 3 View

How to solubilize protein?

Hello, I have cloned my gene of interest in a bacterial expression system i.e. BL 21 Gold (DE3) and checked for protein production and solubility. Good amount of protein was observed on SDS-PAGE...

15 January 2021 7,063 5 View

How to solve AMPS 1D simulation error?

I am trying to model a photovoltaic device using AMPS-1D software. But once I am submitting it to the queue, it remains there for an infinite amount of time without giving the result. I couldn't...

11 January 2021 9,801 2 View

How to perform Potential Surface Energy Exploration (PES) calculations?

I would like to receive help, as I am trying to make an analysis of the ethanol PES, but the calculations are always giving error. I use the conda-forge version of xtb (* xtb version 6.3.2...

04 January 2021 602 2 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

No title

22 February 2021 9,932 11 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

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

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

Phenol-pH graphic?

We want to use phenol pH graphic to measure the pH of mediums before and after inhibitor application to cells. We have phenol absorbence values at 460, 560 and 720 nm wavelength. When we measure...

20 February 2021 7,700 3 View

How to measure the pH of Peat Soil?

Peat possess organic content above 75% and is highly acidic in nature (i.e. pH < 4). Before commencing stabilization, it is mandatory to know about the pH level of peat. Therefore, your...

18 February 2021 9,424 7 View