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

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

Does anyone have any ideas why drug-resistant malaria is increasing in Southeast Asia even when those drugs are no longer used?

When dealing with bacterial toxins, there are three varieties of microbes that develop in your petri dish: toxic, resistant, and susceptible. Initially, there are only toxic and vulnerable...

21 February 2021 6,084 5 View

Is anyone else having a similar situation?

I'm looking for the genetic sequence for the TAR region of HIV. If I put Transactivator Response Region, and HIV, and "genetic sequence: into a browser...is it not unreasonable to expect to be...

10 February 2021 658 5 View

Looking for a scale to measure attitudes towards violence against women and the factors that impact attitudes in South Africa?

I am interested in doing research on attitudes towards violence against women and the factors that impact attitudes in South Africa? Does anyone know which attitude scale I can use to measure...

06 February 2021 3,076 1 View

Hi, Good day! Do you have related studies about my title, "Factors Affecting the Senior High School Students' Stress Tolerance in Problem Solving"?

I am new researcher. I want to learn more and I need your help. Thank you.

04 February 2021 6,834 4 View

Apricot database - where to search?

I work in apricot research and we have a breeding program for abiotic stress tolerance. I collect data from the cultivars i could use in this program individually, but there are several hundred...

01 February 2021 386 3 View

Is Juniper Publisher ( Journal of Gynecology and Women's Health) a good journal to publish my paper?

Dear colleagues, Do you have any knowledge about Juniper Publishers? Have any of you published in the Journal of Gynecology and Women's Health ( ISSN: 2474-7602, Impact Factor: 0.621 (2017-18))? I...

21 January 2021 9,362 4 View

Is there any low-cost filtering system (or other tech.)to lower the salt conc. (salinity) of surface/groundwater for large scale agricultural system??

The available water (surface and groundwater) is highly saline (6-20 dS/m). It is required to produce crop (moderately saline tolerant, up to 6 dS/m). Is there any low-cost filtering system (or...

18 January 2021 5,015 3 View

Why would adding one variable to a regression make other variables go from insignificant to significant?

I am regressing stock market participation (binary variable equal to 1 if an individual owns equities and 0 otherwise) on debt and a bunch of control variables using a logistic regression. debt is...

14 January 2021 6,451 1 View