What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

Is Handheld XRF analyzer useable? and accurate in geochemical test?

What is the different between Lab XRF and Hanheld XRF, is it accurate and useable to analyze sedimentary rocks?

23 January 2021 9,941 6 View

Does oil interfere Total Dissolved Solid determination in water?

Dear friends, this is regarding Total Dissolved Solids test. when we have a oil mixed sample how do we analyze TDS? when sample is filtered through a glass micro fiber filter paper, oil in the...

04 November 2020 5,065 3 View

UV-Vis Spectroscopy of Carbon Nano Tube ?

Dear all, I just started the UV-Vis Spectroscopy of Carbon nanotube (CNT). I just got confused to interpret the results. Would you please help me with these questions: 1- Why I cannot find the...

30 June 2020 4,676 7 View

Why do I not see any bands on SDS-PAGE while the Bradford colorimetric assay gives blue color ?

I am purifying a recombinant protein (MW 37 kD) using IMAC. I used the Bradford colorimetric assay (by adding a drop of the solution from the column to Coomassie blue G-250) on the wash and...

07 April 2020 3,068 9 View

How can connected between microbiology with histology or pathology?

any idea a bout how bacterial infection due to tissues pathology this could be a link between them or not.

08 February 2020 6,840 4 View

In meta analysis, what do you have to do with a research in which the dependent variable is broken into two variables ( y1 and y2)?

If you want to use the meta-analysis as your research method to investigate the relationship between two variables (ie x as independent and y as dependent variable), what do you have to do with a...

05 December 2019 5,666 3 View

Is there a way to test arsenic content in LPG streams up to ppb??

I working on adsorption of Arsine and phosphine from hydrocarbon streams such as propane, propylene, etc. Is there a test method that can be detect Arsine in the range of 1 ppb from these feed...

24 May 2019 5,007 1 View

Conductivity value not matching with other parameters?

10 March 2019 2,401 3 View

How can I calculate LOD and LOQ in HPLC-MS/MS?

Hi, Dear All, I got some results of my master thesis (atropine and scopolamine detection in contaminated millet with Datura seeds) with HPLC-MS/MS. Now, I want to calculate LOD and LOQ. I know it...

07 February 2017 4,458 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

OpenBCI eeg--has anyone used them?

I'm looking to try out an off-the-shelf EEG set for some exploratory work. Curious if anyone has used the OpenBCI, and how much set-up work is required. I've heard they are more difficult to get...

01 March 2021 4,128 3 View

Is there any expert in Smart PLS who can help me?

Dear colleagues, I have a manuscript that needs an expert in smart PLS to run the analysis, Is there anyone expert and ready to help me, please?

01 March 2021 8,212 3 View