PhD Bio renewable energy research topic?

I am having challenge in picking a research topic that focuses on bio-renewable energy probably because a lot of feedstocks and methods have been research on. I would like suggestions on topic...

27 October 2020 9,898 2 View

How to Separate saturated FFA from Unsaturated FFA?

Starting from soybean oil, how can only unsaturated free fatty acid be separated from the saturated free fatty acid in the Oil? The purpose of this is to synthesis Alkyd resin with just only the...

11 October 2020 5,149 3 View

How to syntheses Alkyd resin with bright colour from dark brown rubber seed oil?

All of the alkyd sample from rubber seed oil I have synthesized is always black in colour, such colour is not good for the production of white oil paint. I need help on what to do to achieve...

10 October 2020 9,860 1 View

What would be an appropriate parent-report tool for measuring circumscribed interests in young children with autism?

I'm looking to get an idea of the intensity of circumscribed interests for young children (3-6 years) with autism. Does anyone know of an appropriate parent questionnaire that can be used to...

14 January 2019 7,013 3 View

In gas-liquid-liquid STR, how is turbulence modified and what is the impact on drag felt by the gas bubbles?

In the CFD prediction of gas hold up in gas-liquid STR, it is necessary to take into account the observation that turbulence increases the effective drag felt by gas bubbles thereby reducing their...

17 June 2018 3,014 2 View

Grid size vs bubble size in Euler-Euler simulation of gas-liquid flows in stirred tank reactors?

In the simulation of stirred tank reactors, it is necessary to finely resolve the region near the impeller so as to adequately capture turbulence properties such as the energy dissipation rate....

07 February 2018 9,687 2 View

What is the optimum time for transfection PEI system?

I am transfection 293 cells for viral packaging. Will it be a problem if I change media 6 hrs post transfection. Using the PEI system.

26 October 2017 1,650 2 View

Soultion that dissolves Praziquantel powder,?

I have purchased praziquantel powder for mouse experiments. I always have a problem with dissolving this powder. I used Distilled water, hot and cold, but still no luck. Is there a proper solution...

20 May 2015 9,719 3 View

In ELISA, why does the IgG standard only bind when I coat plate with anti IgG,.,.but does not bind with my protein of interest.?

I have ran an elisa assay with one side coated with anti igg and one side coated with SEA protein,.,.i put standads in both sides,.but only the side coated with anti igg showed to have working...

16 December 2014 4,993 2 View

How can I prevent mold and yeast contamination of cell cultures?

26 November 2014 1,049 16 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View