Mostafa E. Elshobary

7 Questions 3 Answers 0 Followers

Questions related from Mostafa E. Elshobary

What is the maximum absorbance of OD at 680 nm for algal growth?

Hello everyone, I would like to ask what is the maximum value of absorbance on the spectrophotometer when I measure the OD of the algal growth at 680 nm? in all my papers, it didn't exceed 1, but...

20 December 2022 2,159 1 View

How can I calculate CO2 concentration from CO2 cylinder?

Hello Dears, I would like to different CO2 concentration into different algal culture but I don't know how can calculate it. Does it need specific regulator of I can calculate it from the flow...

27 December 2020 3,532 1 View

Could you please, help me to find a good primer for seaweeds molecular identification?

I have tried 18S and ITS primers to identify some seaweeds but I didn't get good results so I will be appreciated if anyone can send me the primer sequence of specific genes suitable to identify...

15 April 2020 7,003 0 View

How to estimate ethanol after yeast fermentation?

Dear All, Could you help me to estimate ethanol after yeast fermentation ? what is the best methods HPLC or spectophotometry? and I will be appreciated if you send me best methods in...

01 January 2019 6,551 2 View

What is preferred dry or fresh biomass for extraction and estimation of pigments, carbohydrates, proteins, phycopiliproteins and lipid from seaweeds?

I will be very appreciated if you send me the recommended methods for these extractions and estimations.

29 March 2018 7,386 3 View

How to kill algal grazer in phytoplanktonic culture?

after isolating cylindrotheca and skeletonema from algal blooming, some algal grazer were found like cotswolds and copepod that feed on our isolated algae in few days. so how we can kill these...

15 October 2017 6,394 5 View

Dear All, Does any send me the best method for depigmention, deproteinization and defatting of different seaweeds?

for sulfated polysaccharides and polyphenol extraction

05 August 2017 8,611 4 View