Can any one explain why the ethyl ester Biodiesel (FAEE) has higher than that of the metyl ester FAME- both of them are derived from the same oil?

Biodiesels derived from waste vegetable oil transesterification with Ethanol (FAEE) show higher peroxide values than those derived by transesterification with methanol (FAME) prepared under the...

13 February 2021 193 6 View

What happens to a gas after compressing it for 10 years?

Will it lose a fraction of its expansion power assuming it was insulated in this system? Because I am designing an insulated gas spring. what I want to know if the gas will lose some of its...

07 December 2020 6,150 3 View

What about the protocol used for president Trump for treating COVID-19?

The protocol used in managing COVID-19 for Mr. president Trump containing: Regenerons poly-clonal antibody cocktail Zinc Vit. D Fomatidine Melatonin Aspirin what are the differences and...

09 October 2020 7,623 3 View

Dose BCG and Chicken pox vaccine had a role in management or prevention of COVID 19?

Is there a relation between people whom take BCG and chicken pox vaccine in pandemic of COVID 19 or any change in management of it or prognosis?

27 April 2020 4,313 9 View

Is it possible to hygienically turn diapers, ladies' higienic towels, and soiled toilet paper into heating oil for boilers or diesel-like fuel?

Is it possible to hygienically turn diapers, ladies' higienic towels, and soiled toilet paper into diesel-likefuel or heating oil for boilers ? I beleive that by pyrolysis of dried or not dries...

28 March 2020 7,254 4 View

What is DNA sequencing ?

What is DNA sequencing ? DNA has the code for a person. The code comes from the father and the mother. But how can we read this code?

17 March 2020 9,364 5 View

What means Lewis number ?

Lewis number in heat transfer

24 December 2018 7,379 10 View

Excuse me please , i need to know how can i calculate the Nusselt number in partitioned triangular enclosures?

My research about calculation the natural heat transfer through triangular enclosure with partitions numerically and i need to calculate the Nusselt number for it

17 December 2018 6,805 3 View

What is the effect of climate change on global water resources and world's agriculture?

It has been reported that climate change has drifted from its norm in an unprecedented manner since the 1950s. What is the effect of such a climate change on global water resources and world's...

28 December 2017 4,481 17 View

How to Calculate Cell Potential for SOFC ?

Hi...i am calculating Cell Potential for SOFC but i have a problem to find partial pressure for H2, O2 H2O is there design point for fuel composition,so can i start with it to find molar fraction...

06 July 2016 1,286 5 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View