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Questions related from Andrew Mtewa
Please, any lab in Tanzania that is currently doing cytotoxicity tests on cancerous cell lines? Kindly let me know Regards
11 November 2018 3,130 0 View
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,...
10 October 2018 1,670 8 View
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)?
09 September 2018 3,801 3 View
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...
08 August 2018 3,752 4 View
which is better to extract from fresh or dried plant samples?
06 June 2018 679 0 View
What is your experience/knowledge about crossing borders with research plant sample extracts? - Any challenges? - Noteworthy details? Please share Thank you and kind regards
06 June 2018 2,328 0 View
What are the most common non-material addiction drugs you know? - Please share if you know any conventional drugs on the market
06 June 2018 2,827 0 View
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...
06 June 2018 9,956 6 View
Do you know any medicinal properties of chlorophyll? Please share your ideas
06 June 2018 6,890 11 View
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...
06 June 2018 10,053 22 View
Can drug synthesis be done based purely on molecular 'drug-like' properties? From already proven bioactive extracts?
05 May 2018 3,328 2 View
Does anyone know if plant fossils (or their products) contain phytochemicals? Are we looking at a newer source of drugs in fossils? Can this be possible or the compounds could long get...
05 May 2018 5,562 0 View
Please share any links or documents on specifications for drug tablets and syrup - Physical parameters as well as chemical parameters, I will appreciate
05 May 2018 6,634 0 View
It is common knowledge for academicians and researchers to share success stories with their students to motivate them. However, failure stories may have a place in student motivation and...
05 May 2018 2,565 0 View
Is an AChE inhibitor the drug molecule itself as a whole or it is contained in a drug molecule? Please assist
04 April 2018 8,477 7 View
Please share if you have any on that area
04 April 2018 951 0 View
Microbials, kept subjected to several under-doses (mostly) and over-doses from herbal medicine use, are likely to develop resistance to particular drug molecules, which could also be the principle...
04 April 2018 4,332 6 View
How can I train a todler to grow up, loving, liking and excelling in numbers and sciences? Please help with your knowledge from experiences or literacy
04 April 2018 9,617 0 View
How can communities help in ending hybrid warfare? Can community 'ethics check' committees work? Do communities have this power at all?
04 April 2018 9,129 0 View
Hello Colleagues, Please let me know your opinions. How would/ do you recruit your students into your projects, both postgrads and undergrads? - Considering that they are usually busy (Mostly for...
04 April 2018 1,398 19 View
Social media sounds very unprofessional. What do we call RG and linkedin? professional media? Is this language true?
04 April 2018 9,125 6 View
Please help me know your ideas and understanding in your areas about how to calculate workload for a University teching staff, regardless of posts (Professors, etc). - It's easier to calculate...
04 April 2018 8,481 0 View
Colleagues, I need you help. Can I undertake invitro and insitu permeability assays in any biochemistry lab or they require a specific class of a lab?
04 April 2018 5,884 4 View
Please share if you have protocols on semi-synthesis or synthesis related to Q-structural activity relationships
04 April 2018 4,738 0 View
Esteemed researchers and colleagues in the field, I visited a clinic years back where the pharmacist administered an eye ointment for my little todler son. The drug was four days towards expiry...
04 April 2018 3,696 9 View
Some say 30% of population for qualitative research Others say any sample size for quantitative research is good enough Please share your ideas on the question, both in qualitative and...
04 April 2018 5,166 5 View
I assume that national budgets are public information to citizens. It's easy for me to get one in my own country. But now for research purposes, how and where do people get national budgets for...
03 March 2018 3,243 3 View
During drug discovery and development, there is need for frequent tests of th drug material against particular biological targets. For project planning purposes, from plant to clinical trials, at...
03 March 2018 3,767 2 View
The relationship between cancers and inflamation is so great. Can these two, atleast at early stages, share drug?
03 March 2018 4,858 2 View
A proper drug molecule needs to be optimized to within some acceptable values for it to 'predictably' be considered an efficient drug or drug lead. This sounds logical for deep biological targets....
03 March 2018 7,468 4 View
I have a project on insectcides. Do I require specific ethical clearance as for animal models?
03 March 2018 3,188 0 View
Research in herbal medicine has been conducted vastly and still is in Africa. Africa has been able to develop herbal/complementary medicine of various kinds, present on the market. But has Africa...
03 March 2018 1,141 9 View
When patients take some herbal medicines, they usually use water as a solvent. Lab scientists test the same herb for efficacy and toxicity using Hexane, DCM, Et-Ac, MeOH/EtOH..., rarely do some...
03 March 2018 8,625 3 View
Drug use can potentijally have adverse toxic effects from for example over dose deliberately or otherwise. Other drugs are used to counter the toxic effects. However, there are some that do not or...
12 December 2017 2,798 2 View
