How can I prepare 300mg/L concentration of lead(II) nitrate ( Mol. Wt reffered is 331.21) incoorporated Luria-Bertani (LB) agar ?

I need to check the Heavy metal (lead) consumption assay using microbes at varying concentration in same media. ( 200mg/L to 2000mg/L).kindly help me to clear it.

19 January 2021 1,946 9 View

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Is it possible to activate these models with the presence of e-learning at the present time or are they somewhat difficult to implement?

29 December 2020 1,076 12 View

Is THC causing underlying paranoia in individuals?

In other words, is there a chemical impact caused by THC which could be activating neural correlates in the insular cortex (ic) of the brain? The increase in the sensory activating...

04 August 2020 967 4 View

Will genetic characteristics of bacterial isolate have stored for long time can change such as plasmid loss?

I hope get answers with evidence

02 May 2020 707 46 View

What methods should be used for analyzing PCR amplification products?

What method(s) should be used for analyzing PCR amplification products?

27 April 2020 7,499 8 View

What is the best in the genetic modification of plants, plant cell or chloroplasts and why?

cloning endotoxin gene in chloroplast

24 January 2019 8,093 3 View

Is it possible to write the ANN model equation based on the resulted weights?

Artificial neural network model

17 December 2018 598 5 View

Why 3-aminopropyltriethoxysilane coating of glass surfaces with water ?

Why 3-aminopropyltriethoxysilane coating of glass surfaces with water ?

05 July 2018 7,593 3 View

How to choose the k-point sampling and the planewaves energy cutoff ?

Should I fix the k-point density and then increase the energy cutoff in steps until convergence, or should I fix the energy cutoff and then increase the k-point density in steps?

16 June 2018 5,463 5 View

What are the most famous plant extracts used in green synthesis of nanoparticles ?

What are the most famous plant extracts used in green synthesis of nanoparticles ?

06 June 2018 8,760 12 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

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

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

How to run Cross-lagged panel Design on AMOS?

25 February 2021 3,126 1 View