Could only one bacteria produce three differents nature of biosurfactants?

09 October 2023 0 3K Report

i'm in biosurfactant characterization produce by soil bacteria

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Science method

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What are the employability skills needed by TVET graduates for sustainable economic development in an era of uncertainties in Nigeria?

Employability skills refer to the skills or abilities possessed by an individual so as to be employed in a particular field. TVET graduates are products of Technical and Vocational Education and...

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Dear RG community, can you help us to identify these palynomorphs?

Hello, These NPPs were found in modern soil samples from the central Tunisian Dorsale mountain range. NPP6, 7, 8 and 9 seem to belong to Glomus-type. Could anyone provide a more precise...

18 April 2024 5,599 3 View

Dear RG community, can you help us to identify these palynomorphs?

Hello, This NPP was found in a modern dung sample from the central Tunisian Dorsale mountain range. Thank you in advance for your help, Best regards, Yannick Miras

18 April 2024 838 5 View

Dear RG community, can you help us to identify these palynomorphs?

Hello, This NPP was found in modern dung Olea and Ceratonia root samples from the central Tunisian Dorsale mountain range. Thank you in advance for your help, Best regards, Yannick Miras

18 April 2024 8,367 0 View

Daubechies wavelet for Continous Wavelet Transform ?

Dear all, thank you for considering this question. Do you know any reason why Daubechies wavelet can't be used for CWT ? Matlab toolbox and Python packages don't allow for such transform, and I...

12 November 2023 855 3 View

What thesis methodology covers available literature and expert interviews?

Hello everyone, I am currently working on my bachelor thesis and struggle with a concept. The goal of the thesis is to analyse the potential benefits and risks for a data exchange Platform for...

21 October 2023 4,249 6 View

Scientific article on the subject of shortage of engineers in Germany?

scientific article on the subject of shortage of engineers in Germany?

13 June 2023 633 0 View

Expansion of murine NK cells in vitro?

Dear all, I am looking for a way to expand murine NK cells from splenocytes in vitro to be used in further experiments. Would be very greatful for any suggestions or protocols that you could help...

07 March 2022 4,695 1 View

Can authors names in a publish paper influence the visibility of that particular article?

Can the position, grade, number of publication of scientists that authored a paper influence the visibility (acceptance, read, recommendation, citation,....) of an article during the submitting...

14 July 2020 3,221 8 View

Could someone Labelled CD8 T cells in deparaffinized section?

Hi I am trying to labelled murine CD8 LT by immunofluorescence on thymus and tumor sections embedded in paraffin and dewaxed. I meet some difficulties. I tried several Antobodies without...

08 December 2019 4,622 1 View

How can I quantify the amount of lipids in my lipopeptide biosurfactant?

I have checked the presence of the lipids using Thin Layer Chromatography.

31 January 2024 8,937 0 View

Thermodynamic data on the formation of rhamnolipids?

I am trying t understand the thermodynamics of bio surfactants, particularly Rhamnolipids. All I find is information on the free enrgy of formation of micelles, which is not of interst for my...

14 December 2023 9,075 0 View

How do I revive my culture which seems to be losing its efficiency?

Hi, I am working on research based on biosurfactants. From last few months I feel my bacterial culture has lost its efficiency, there is a difference in growth pattern and isn't as slimy as it was...

12 February 2023 2,769 2 View

Can i use Orcinol monohydrate instead of Orcinol for Rhamnolipid quantification?

Hi, I am currently doing research on Biosurfactant production, esp Rhamnolipid. From a few article that i read, it is possible to estimate Rhamnolipid percentage using Orcinol-Sulfuric Acid...

31 January 2023 7,135 1 View

Can anyone help me to find institutes that perform CMC analysis for Biosurfactants?

It will be helpful if anyone suggests places to perform the CMC analysis.

07 December 2022 755 1 View

Is Infors Labfors 5 suitable for the production of biosurfactants?

I would like to use the Infors Labfors 5 (13L) bioreactor to make biosurfactants from petroleum hydrocarbons. I could not find any relevant literature that focused on the biosurfactant in these...

23 April 2022 8,062 1 View

Can we use any other reagent instead of hexadecane for checking emulsification activity of biosurfactant?

It is used as a model hydrophobic agent for calculating the emulsification activity of a biosurfactant

02 January 2022 3,942 4 View

How do I sterilise oil for use in bacterial cultures?

For production of bacterial biosurfactants, it is recommended to add sterile oil to the culture broth (MSM or LB). While the medium can simply be autoclaved, how can the oil be sterilised prior to...

16 December 2021 4,310 3 View

Which purification method for biosurfactant is the best & will yield a good result, normal phase silica gel column chromatography or the reverse one?

I am considering the purification method for biosurfactant produced by Streptomyces sp. Please take into considerations that this method will be conducted using conventional ways and not via...

20 November 2021 1,705 3 View

What are the ways to produce high yield of rhamnolipid from Pseudomonas aeruginosa?

I am given a task to extract rhamnolipid from P. aeruginosa. What are the ways or precautions can be done to produce high yield of rhamnolipid?

28 October 2021 7,070 2 View