I want to extract engine oil from a soil sample,please how much amount of anhydrous sodium sulphate am i going to add to 10kg soil?

Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate

01 February 2021 9,509 1 View

On what basis will an article be with an Editor for over two months?

Especially unpaid Journals

02 January 2021 9,028 7 View

How to synthesize pyrrolium ionic salt?

I am keenly interested in the synthesis of heteroaromatic ionic salts for use as an organic template. I want to synthesize alkyl pyrrolium chloride or bromide through a simple addition reaction...

30 December 2020 2,778 3 View

Is it possible to get a standard questionnaire or how to develop it, to measure perception & attitude of healthcare professionals towards investment?

I'm planning to adopted a standard questionnaire to conduct a survey that will measure the perception and attitude of healthcare professionals on investment and access to loans in the...

20 September 2020 4,911 2 View

What gaps exist in the study of Knowledge Management (KM) relating to Cost Management of construction works or services ?

Researching into Knowledge Management adoption and implementation frameworks in AEC for a developing economy and have been running short of gaps relating to cost management of infrastructure...

11 January 2020 8,784 3 View

How could we provide a constant voltage in the output of the DC/DC converter while getting the best results from the MPPT at the same time?

06 October 2019 8,669 5 View

Is it possible to couple FTIR with UV-VIS spectrophotometer?

I know there are double resonance experiments, mostly based on either photodissociation and fluorescence which are quite expensive. But I wonder if it is possible to do similar experiments in the...

22 January 2019 6,950 3 View

Does combining old and new stock of 16 US EPA Mix PAH affect my calibration plot?

Hi Ladies & gentlemen, Does combining old (500 microlitres(400 microgram/mL) and new(400 microgram/mL)( stock 16 US EPA Mix PAH affect my calibration plot? Am NOT getting a good R squared...

27 February 2017 3,936 5 View

Is there a lab in Nigeria that is well known for gene sequencing and expression?

I need a lab that is renowned and capable of conducting gene expression and sequencing..... Thank you.

22 November 2016 5,421 4 View

How to release and study the activity of peptide encapsulated in chitosan nanoparticles?

The peptides are multi-functional and hydrophillic

06 June 2016 5,093 1 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Does any one can help me choose a reasonable basis set for intermediate metal ions interactions with guanine (i.e Fe2+, Mn2+, Cu2+ and exc.)?

Hello every body Does any one has any idea to help me choose a reasonable basis set for intermediate metal ions (i.e Fe2+, Mn2+, Cu2+ and exc.) interactions with guanine or other DNA organic...

01 March 2021 6,187 2 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Can someone suggest a way to prepare slides to observe under confocal microscope for observing fluorescent tagged proteins??

I am growing the cells on coverslips and transfecting the fluorescent tagged protein directly on them. Then i want to observe these cells under confocal microscope. Currently i am just using...

01 March 2021 6,142 3 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View