Please, any lab in Tanzania that is currently doing cytotoxicity tests on cancerous cell lines?

Please, any lab in Tanzania that is currently doing cytotoxicity tests on cancerous cell lines? Kindly let me know Regards

10 November 2018 3,023 0 View

How do I further isolate uncoloured fractions that show peaks on HPLC?

Hello Colleagues, I have several fractions (Hex:EtAc). In one small fraction (about 2mls), I got 6 peaks on HPLC. What do I need to do further or how do I need to separate these compounds,...

09 October 2018 1,547 8 View

How can I prepare a preparative TLC plate (PTLC) using silica gel? or where can I buy already prepared PTLC plates?

Dear Colleagues, Please help. How can I prepare a preparative TLC plate (PTLC) using silica gel? or where can I buy already prepared PTLC plates (Close to Malawi)?

08 September 2018 3,606 3 View

At what point does sequential solvent extraction make more sense? At crude extraction or fractionation?

Dear colleagues, At what point does sequential solvent extraction make more sense? At crude extraction or fractionation stage? One other thought would be to do crude extraction using MeOH and do...

07 August 2018 3,616 4 View

What is the best way of working with extremely busy co-authors in a manuscript?

Dear researchers, Sometimes we have to work with our highly respected co-authors that are extremely too busy to give time to our manuscriots, but for some important reasons, they have to be on the...

05 June 2018 9,949 22 View

What are the most common non-material addiction drugs you know?

What are the most common non-material addiction drugs you know? - Please share if you know any conventional drugs on the market

05 June 2018 2,728 0 View

What is you experience/knowledge about crossing borders with research plant sample extracts?

What is your experience/knowledge about crossing borders with research plant sample extracts? - Any challenges? - Noteworthy details? Please share Thank you and kind regards

05 June 2018 2,226 0 View

Which is better to extract: From fresh or dried plant samples?

which is better to extract from fresh or dried plant samples?

05 June 2018 529 0 View

Is it worthy spending resources on researching orally and intravenously effective drugs from polar compounds?

Dear researchers, I understand that we can get drugs from polar compounds, but these are usually hardly bioavailable. This means the drug has to keep being modified to improve it's bioavailability...

05 June 2018 9,842 6 View

Do you know any medicinal properties of chlorophyll?

Do you know any medicinal properties of chlorophyll? Please share your ideas

05 June 2018 6,720 11 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

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

Can cells be reused after using WST 8/ CCK 8 from Sigma Aldrich?

Hi all, Can cells be reused after I have seed them onto 96 well plates and test them with cell counting kit at OD450 (CCK8) at 12 hours, wash them with PBS x3 and add new media and let them...

24 February 2021 5,072 1 View

Why cannot world and community leaders be gentle? Where did ethics of care go?

The whole world is in a mess and paused. We all are tired of seeing hypermasculinized and destructive leaderships all around us. This world has seen enough of the aggressive patriarchal social...

23 February 2021 292 7 View

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22 February 2021 9,932 11 View

How to perform Haldane correction on SPSS?

I was wondering if anyone knew how to perform the Haldane correction for SPSS (this is the definition of the correction -...

21 February 2021 2,882 1 View

Is it okay to mention you distributed your qualitrics study link through social media sites?

Just want to be clear and know it is okay to say I have distributed the qualitrics link through social media such as Facebook, Instagram and Twitter to ensure my target audience is reached in my...

21 February 2021 5,143 2 View

What is the minimum number of exosomes/ml to have a good yield of total RNA for Illumina sequencing?

I am using IZON qEV2 columns to isolate exosomes from 100 ml of cancer cell conditioned medium. in NTA analysis I usually see concentration of 2x10^9 particles/ml. But when I proceed with this...

20 February 2021 6,879 3 View

Any suggestions or recommendations on a good publishing house based on the African for academic books in the field of Communication and media studies?

I am currently working on a book on Public Relations (from an African perspective) and the rationale behind the book is the fact that as instructors in this field, we borrow instances and case...

19 February 2021 2,482 2 View