How to obtain samples of gracilaria & gelidium seaweed for production of agar?

More Cecylia Szewczyk's questions See All

Do plants produce hormones that have the same influence properties of animal hormones?

I know that all animals and insects produces hormones. Do plants produce hormones that can have an equivalent effect on an animal like animal hormones?

13 June 2024 3,860 1 View

The pH of my buffer drops rapidly at cold temperature. Why?

UPDATE: the temperature sensor of the pH meter was broken Hello, I use this buffer during my protein purification process: 20mM Tris-HCl pH 8.0, 6M urea, (+ protease inhibitors) In one step of...

04 March 2021 9,717 3 View

What are your arguments for and/or against nuclear power technology in terms of environmental and health safety?

I do not agree that nuclear technology is a safe technology to be used as a source of power/energy. What we are missing in our equation is a term called human factor. This is a very common...

28 August 2020 9,633 9 View

Quantitative determination of allicin by spectrophotometry - how to do this?

I would like to use spectrophotometric method to quantitative determination of allicin in garlic extracts. I tried method by Han et al. (A spectrophotometric method for quantitative determination...

11 March 2020 8,519 3 View

Quantitative determination of allicin by spectrophotometry - how to do this?

I would like to use spectrophotometric method to quantitative determination of allicin in garlic extracts. I tried method by Han et al. (A spectrophotometric method for quantitative...

05 March 2020 3,694 0 View

How quasiclassical propagator is derived?

Some authors build their Green's function from Hamiltonian using quasiclassical propagator. Sometimes this propagator is referred as Gor'kov propagator or Eilenberger propagator. I could not...

30 December 2017 7,547 1 View

Where would one find ultra sensitive polarized dc relays?

I read a section on relays in "Instrument Engineers' Handbook" by Roberts, Liptak and Durden. They mentioned about relays with coil sensitivity ex: of 20 micro watts. I could not find that kind...

04 June 2013 2,827 3 View

Do you have good tips for seaweed tissue preservation in the field for post RNA extraction?

I will be with my students collecting seaweed samples in a marine farm and later we will process this tissue for RNA isolation and further sequencing. Does anyone have tips on how to collect the...

04 August 2024 501 2 View

Why is it that I keep on obtaining negative and positive %radical scavenging activity (RSA) in DPPH?

As a context, we have been optimizing the DPPH protocol for our seaweed ethanolic extract. We also use varying concentration points from the various methods in published journal articles, yet none...

28 May 2024 3,097 2 View

Please suggest me some large databases of phytochemicals (plants/algae/fungi) for computer-aided drug design study?

Apart from IMPPAT, TIPDB, MeFSAT and Seaweed metabolite databases, could you please suggest me some more databases for virtual screening study. The target receptor is from...

09 April 2024 2,881 3 View

Are green seaweeds listed as GRAS list for human consumption?

I could find few red seaweeds and brown seaweeds. Any suggestions or links to the reports are highly appreciated.

25 March 2024 7,357 1 View

Research on chaetomorpha?

I have been searching for a model organism to study some nutrient physiology related aspects on seaweeds. In my nearby coastal area ulva, gracilaria and chaetomorpha available. Im planning to take...

21 March 2024 1,378 2 View

Do molecular identification of seaweed is important to publish a research work done on seaweed?

I have worked on physiological response of green seaweed which is a genus belongs to Ulva and chaetomorpha, from myself i have morphologically compared it with research papers i have confirmed it...

03 March 2024 7,641 0 View

Can anyone help me identify below seaweed species?

It would be very helpful?

19 February 2024 4,633 2 View

What is the recommended method for quantifying algal cover on a rocky shore?

I want to describe the abundance of several algae genera in the intertidal zone, on a mostly rock beach. I cannot use any destructive method (weighing or similar). Checking the percent cover in...

30 January 2024 9,981 2 View

For culturing seaweeds, culture containers need to be opened with aeration or closed with aeration?

Actually, I am trying to culture seaweeds inside lab for experimental purpose. I'm facing contamination in spore culture and also I can't get a proper growth response with juvenile algae. I m...

24 January 2024 507 4 View

GLMM tutorial in SPSS?

We are trying to find some tutorials on using and running Generalized Linear Mixed Models (GLMM) in SPSS software. We are working with seaweeds, and ran an experiment for 4 weeks, testing two...

20 December 2023 3,829 1 View

Younes Boundir

Hello Cecylia.

Well, it depends in which area you are located and where you want to collect. In some areas and with big quantities you need an authorization from the autorities out there, if it's just some small quantities for experiments it is totally fine to collect fron the nearest coast to your location.

Hope this can helps you. Younes

Chita Ranjan Sahoo

You may contact seaweed production units, near to your location.