Negative result on natural product sample cholinergic assay?

i have been doing cholinergic assay on natural product and for some of the samples, i get negative value for the inhibition activity. can anyone help me explain the meaning of the negative value...

17 February 2021 4,118 1 View

How i can reduce the number of atoms using Vesta ?

I'm a new Vesta learner, I have downloaded cif of Ch3Nh3PbI3. Total number of atom in chemical formula for Ch3Nh3PbI3 is 12. But when i convert this cif to poscar file using Vesta, total number of...

14 January 2021 5,733 11 View

For a new biofertilizer what efficient methods should I follow to test it's quality(non-presence of pathogens, types &number of symbiotic microbes)?

Also it's effects on plants.

22 December 2020 2,318 3 View

How to convert 30 ng of PCR product in microlitres?

11 October 2020 5,619 3 View

Are there guidelines for the Decommissioning of offshore oil and gas installations in the Gulf of Guinea ?

The Countries bordering the North-East Atlantic are bound by the OSPAR Guidelines on the decommissioning of offshore oil and gas installations. Are there similar guidelines under the Abidjan...

24 September 2020 3,830 1 View

What is meant by awaiting reviewer selection after being under review in scholar one online submission system?

I have a submitted a manuscript The status was for two month under review then turned awaiting reviewer selection

31 May 2020 688 3 View

How deep (or large) must neural networks layers be: to be considered as a deep learning algorithm?

The best approach to hierarchical scalability of deep learning to maximize prediction accuracy (1)in the absence of large data, (2) and in the presence of large data.

24 March 2020 2,958 4 View

What are the current research challenges in deep learning to improve breast cancer and early detection of mammography (breast imaging) screening?

Current research challenges in breast imaging using deep learning or ensemble algorithm, Tesoro Flow, Diffusion Tensor Imaging

24 March 2020 6,508 1 View

What is the best way to dilute cisplatin and 5-flurouracil for cells drug treatment?

I have the drug in crystal form and i want to dilute them in a way that i can store them for a long time. i want to use them on my esophageal cancer cell lines (using RPMI-160 as my cell media).

23 March 2020 6,596 4 View

Changing Aspen Plus non-conventional component into a mixture of few conventional compounds?

I have performed a bio-refinery simulation on Aspen Plus using non-conventional components. Now, what I am willing to do is to specify one of the product (non-conventional) into a mixture of some...

12 February 2020 5,469 4 View

How long do vaccines protect us against COVID 19?

Or will we have to get vaccinated every year, as in the case of influenza?

27 February 2021 1,048 5 View

Can COVID-19 vaccines protect against the emerging strains of SARS-CoV-2?

Can COVID-19 vaccines protect against the emerging strains of SARS-CoV-2?

18 February 2021 8,221 8 View

How to calculate the TCID50 when the highest CPE is 50% or less?

I am doing TCID50 to measure progeny virus and some treatments protected the cells in a way that the highest CPE observed is 50% or less. How should I do the titre calculation in that case? Thank you!

16 February 2021 8,768 1 View

What are the popular techniques for pre-processing measurement data in Smart Grid/Power System?

The data collected from various measurement devices often contains erroneous values - such as noise, missing values, etc. What are the popular techniques for pre-processing measurement data in...

14 February 2021 4,642 2 View

How to improve the adhesion of epoxy coating on steel substrate? Which factor affects?

I am facing a problem regarding a de-adhesion problem with the coating. A brief description of my methodology is given below. I am using mild or Low Carbon steel as a substrate and I polish the...

14 February 2021 2,167 4 View

Can Immunogenic BNT162b vaccines protect HUMANS from SARS-CoV-2?

"A safe and effective vaccine against COVID-19 is urgently needed in quantities sufficient to immunise large populations. We report the preclinical development of two BNT162b vaccine candidates,...

11 February 2021 6,628 9 View

Can explain this diagram to me, is this the average consumption curve for one day or the total consumption of days in a month summed up in specific?

The hourly load curves of the selected household in each season are shown in Fig. 28. Figure 28 shows the demand for electricity in four months on an hourly basis. Can you explain this diagram to...

08 February 2021 657 16 View

Recombinant restriction enzyme: how strong should the corresponding methyltransferase expression level be?

Hello. We are planning expression of a restriction enzyme in E. coli, and wondering how much of the corresponding methyltransferase is needed to be expressed in order to protect the host genome...

23 January 2021 2,096 4 View

How do we address vaccine hesitancy among healthcare providers?

Healthcare providers have the duty and commitment to protect patients from harm. One way of achieving this goal is by getting the vaccines. But we also learn that the providers themselves are...

13 January 2021 3,638 4 View

How does titanium dioxide (TiO2) as a coating's component enhance the coating performance in terms of anticorrosion??

Greetings, Recently, I was asked by a researcher how does TiO2 enhance the coatings polymeric structure making it able to reduce corrosion reaction by preventing the penetration of aggressive...

02 January 2021 5,257 5 View