Samani Tupufia

13 Questions 15 Answers 0 Followers

Questions related from Samani Tupufia

What is a simple and effective method for extract polyphenols from plant materials and whats the best plant part to get the best yield?

I am looking for ways to extract polyphenols from plant materials and will later on go into purification. your kind assistance is much needed.

17 June 2025 6,858 3 View

Can you please help me build a HPLC method to analyses Kava lactone?

our team is looking for kava lactone from here in Samoa... we wanted to use a testing analysis please your help is very much appreciated

24 January 2024 7,167 2 View

Is there a software or easier method of calculating tree volume or forest volume per acres available?

My team we are looking into conducting a forest inventory of a 6000acres of forest plots and were simply looking for some methods or even a free software or app to assist us with our work. This...

25 January 2019 585 2 View

Whats the best pratice to culture photosynthetic bacteria inside lab?

Hi all please just wanted to ask if anyone can suggest a strategy or protocol or a layout etc to culture isolated photosynthetic bacteria in lab and what sort of light source to best fit this type...

05 October 2015 2,853 2 View

How can we extract aromatic compounds from oils etc.?

We are trying to extract and analyse aromatic compounds from coconut oil etc..., if anyone could kindly assist with some process or methodology (GLC, HPLC) for such request.

14 July 2013 6,963 1 View

Culturing Algae for Biofuel, how can i go about that (Lab scale)??

I am a biofuel person and mainly into biodiesel. The algae movement is getting very interesting and am wondering if I could get some assistance from you on how to culture algae (fresh water/...

23 January 2013 2,156 7 View

Enzyme immobilization?

I am using liquid enzymes (lipase) for my biodiesel research but they are very hard to recover in order to improve the production cost. I am looking for an idea or recommendation from experts if...

11 October 2012 2,581 7 View

Is there a chemical test (quick test) we can use to determine if the plastic material is starch based or biodegradable?

It's a hot issue with business in our country as some have brought in plastic bags, which are not biodegradable and I am trying to see if there is a quick determination method to check (randomly)...

07 October 2012 6,863 7 View

Is there a simple protocol to extract enzymes from plant materials?

I am working on a fruit, "breadfruit", to see how I can extract enzymes from it. Experts are amazed with the fast enzymatic activities of this fruit and I was wondering if there's a simple...

25 April 2012 2,515 5 View

Which oil would produce the best biodiesel and why do you think so?

Coconut oil with a fatty acid composition of mainly low molecular and saturated fatty acids or Jatropha oil.

25 April 2012 9,024 1 View

Would there be a difference in the cost if a process to produce bioethanol began from starch rather than the raw material?

I am now working to develop a process for bio-ethanol production in our small island country, but we only have a few first generation raw materials. Looking at the process, using a dual enzymatic...

24 April 2012 1,080 17 View

A quicker method to to quantify glucose in a fermentation sample?

I am working on a bioethanol project and our HPLC is always in use. Is there another, quicker method to quantify the amounts of glucose in a sample.

22 April 2012 4,821 89 View

Is there a define media for growing yeast like S.cerevisiae using glycerol as a carbon source??

i am doing some research on using glycerol derive from biodiesel (enzymatic) and would like to know if someone has already done some work on this and maybe can assist me with some suggestions. Cheers

25 October 2011 2,441 4 View