Do you know about coating materials for bio-polymer beads?

I am working under bio-polymer micro beads and need to coat my beads to improve its durability. Can you comment about those coating materials?

06 September 2020 2,389 4 View

Can you explain more experiences regarding research about "Guar Gum and oil emulsions" ?

Dear all, I would like to know about guar gum as coating material for oil encapsulation. Please Suggest...? Need to find research experiences under Guar gum.....

19 July 2020 4,810 2 View

Can you comment regarding the identification of mono layers of graphene oxide in aqueous solution using UV-Visible spectroscopy?

I just wanted to identify the mono layers of GO in aqueous solution using UV-Visible spectroscopy.

26 February 2020 5,665 3 View

Has anyone observed (proved by data) a significant change in rainfall amount / pattern as a result of global warming?

Scientists have observed nearly 1 degree Celsius increase of global mean temperature during the last 100 years and they make different predictions / projections on climate change. Has any...

09 October 2019 8,307 7 View

Psychological Well-being Scale for Sri Lanka?

Are there any validated scale/index published for measuring the psychological well-being particularly for Sri Lankan or Asia?

04 June 2019 7,346 2 View

Pilot study followed by reliability and validity evidences?

As an accepted practice, most researchers conduct a pilot test prior to proceed final data collection with the aim of to checking the suitability of the research instrument (standard research...

05 January 2018 3,845 5 View

Does convenient sampling suits SEM?

I have witnessed that most of the recent quantitative social media research studies which published in the top world ranked journals were employing statistical technique as simple as regression...

07 August 2017 6,331 3 View

How to move two molecules separately in a gausview window ?

I have to study the interactions between two molecules, say A and B. And I need to position A in various orientations related to B.

28 April 2017 9,588 1 View

How I separate the layer in between organic solvent and water?

08 August 2016 5,504 5 View

Can anyone suggest the reason for this results of gel electrophoresis?

04 July 2016 7,501 14 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

Latent profile analysis based on two variables/sources of data?

Hello, for my master project, I would like to conduct a latent profile analysis about self-regulated learning skills. I would like to take two different measures into account when creating the...

21 February 2021 2,326 3 View

Where can I find raw quantitative datasets on ecosystem services?

I'm an Undergraduate student on the search for a research topic which has to involve any ecosystem service(s) and a response to environmental change. I'm looking for raw quantitative data sets (I...

19 February 2021 5,911 2 View

Person-Codes for questionnaires in longitudinal studies: Is there an easy solution for better matching-rates?

Hi, I have a problem regarding matching of longitudinal data in my field of research (university students). We have a Person-Code for matching data measured in different time points, but 30%+ of...

17 February 2021 3,075 4 View

Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 View

What are the available keys and descriptions for the identification of lice and fleas in domesticated animals?

I am an undergraduate student at the University of Peradeniya Sri Lanka, currently working on ecto-parasites in domesticated animals. I found difficulties in the identification due to a lack of a...

15 February 2021 277 1 View