How best can one separate n-hexane-soluble fraction of plant extract that binds strongly to silica gel columns and what are the possible compounds?

I wanted to elute n-hexane-soluble fraction of a plant extract in a silica gel column using different proportions of dichloromethane/n-hexane. The bands separated visibly initially but moved only...

18 January 2021 9,270 3 View

How do I plot the correlation coefficients (r) on a map based on a list of variables?

I am working to improve a manuscript and I have been advised to provide a map showing where the correlation is significant. Any information or links to learn about this would be quite helpful....

26 December 2020 1,162 5 View

Please what is the impact of interest in schooling on academic resilience and learning orientation?

I need the definitions of the interest in schooling, factor affecting it and models or theories of interest in schooling if there is any? THANK YOU.

03 April 2020 3,204 3 View

Unable to perfiorm raster to-table join in ArcGIS?

Dear all, I am trying to replicate some results from a publication. There, one of the datasets they use is WISE30sec map (available for download here:...

18 February 2020 6,906 3 View

Is there any problem with magnetite nanoparticles to be observed in a FESEM system?

I ask this because I had a problem with a FESEM FEI SCIOS system. According to the technician he made observations of my sample TiO2/MAGNETITE. After many observations and session of my samples...

25 November 2019 3,024 4 View

Please l need suggestions from scientists on how to carry out snail vector control to reduce the incidence of schistosomiasis?

Can a snail vector be reared? If yes at what physiochemical conditions? Can a cercariae of schistosome be injected in an animal model? And which is the suitable model?

20 November 2019 1,748 2 View

Where can I get conference funding?

I have been accepted for conference presentation in Japan, but they dont cover my travel and staying expenses. Can you advise me on how to get my expenses cover?

31 July 2019 1,197 4 View

How do I get access to reliable NDVI Images for computation of VCI and VHI of a given location?

Websites for free downloads; high spatial resolution of images

02 September 2018 1,296 2 View

What may be the cause of this strange J-V curves in perovskite solar cells?

I fabricated some solar cell devices and I discovered that about 30% of the devices gave strange J-V curves as attached here.

09 June 2018 9,315 7 View

Is it statistcally valid to do regression with a time series dependent variable with independent variable from cross-sectional likert-scale data?

Choosing appropriate statistic.

07 January 2018 3,747 4 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

How does Scientist/RG community evaluates a case study article and the impact of it on a researcher career?

An article that is published as a case study in the SJR listed journal. How much value is added to a researcher career? How it is evaluated by a scientific researcher/University admission...

02 March 2021 9,661 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View