What is the most appropriate statistical tool to carry out a study on: Effects of Jigsaw Strategies on Students' Performance in Maths?

The Performance consists of Attitude, Achievement and Retention

10 December 2020 5,459 2 View

Is iron oxide (rust) a problem in DNA extractions?

Hello, I just started extracting DNA from some spiders, using 5-mm ball bearings to grind the specimens in a tissue mill. I had ordered the ball bearings on Amazon, and thought it was a good idea...

21 July 2020 2,271 6 View

Where to find resources to improve a self-designed psychometric instrument?

When our institution had to switch rapidly to remote instruction, professors who had not taught remotely before wondered what the best blend of synchronous and asynchronous activities would be....

27 May 2020 841 3 View

Why are surrogates only added at the time of extraction, not at the time of sample collection and processing?

I am working on a study on pharmaceutical fate and uptake in plants. We are wondering about analyte degradation during the initial transport, processing, and storage of the soil and plant samples,...

30 October 2019 3,540 1 View

Can anyone give me information on machine learning algorithm code?

Researching in the field of Abnormal Traffic Identification Methods.

26 March 2019 9,495 5 View

Can anyone suggest some qualitative research that has been done on low SES parental attitudes to literacy and lanaguge development?

I am studying this area for my masters in education thesis and would appreciate any suggestions on good articles/books/journals on this area.

06 October 2017 9,978 2 View

Any way to salvage data from merged colonies in a colony forming assay?

We attempted a series of colony forming assays of cancer cells for irradiation. However, due to some vibration issues from our incubator, the cells settled towards the center of the plate...

27 July 2017 5,593 1 View

How do heart-rate monitors work?

03 July 2017 1,651 8 View

What are the key morphological differences between male and female Tuta absoluta, a tomato leaf miner?

I am doing some biological studies on Tuta absoluta

04 April 2017 3,287 21 View

Issues with imaging Stain-free gels without using Biorad's imaging system?

I'm trying to do total protein quantification with Stain-free precast gels and after a lot of reading and many phone calls with Bio-rad, I am confident it's possible to read the gels and membranes...

15 March 2017 4,443 6 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

What HPLC Marker(s) should be used to detect anthocyanins in a sample?

What HPLC Marker(s) or standard is used to detect and quantify anthocyanins such as Delphinidin, Cyanidin in a given sample of plant extract?

23 February 2021 1,832 4 View