Navid Taghavi

9 Questions 14 Answers 0 Followers

Questions related from Navid Taghavi

How to measure water contact angle of PE and PS plastic?

Hi everyone, I have the same question, I wan to measure the water contact angle of PE plastic bag, however, due to its structure, the surface is not flat enough so how the water contact angle can...

10 September 2020 5,833 11 View

How to make phosphate buffer 0.06M?

Hi everyone, Does anyone know how to make phosphate buffer with 0.06 M? I know to to make for example lactate buffer or sodium buffer, but for phosphate buffer it is strange. Most people use...

28 June 2019 9,967 5 View

Bio-surfactant and oil displacement technique?

Dear all scientists, I am working on degradation of plastic by microorganisms. During the experiment I analysed my sample for the possible bio-surfactant production. I used oil displacement method...

26 June 2019 768 0 View

Fluorescent staining of bacteria and fungi?

Hi all scientists, I am going to determine the LIVE/ DEAD fungi and bacteria cells with fluorescent dye in the possible biofilm on my plastic films surface. I have TTC (tetrazolium chloride) but...

06 June 2019 2,974 2 View

How to detect the secreted exoenzymes in liquid media?

Hi everyone, I want to detect the possible secretion of exoenzymes from my liquid culture. I incubated various microbial consortia for almost 3 months, and now I want to figure out if any of the...

13 March 2019 1,901 0 View

FTIR analysis of plastic films?

Hi everyone, I am going to analyze my plastic films incubated in bacteria media cultures. I am not sure for analyzing with FTIR do I need to rinse the plastic films with water, SDS or ethanol at...

18 December 2018 9,276 5 View

Aerobic and anaerobic incubation of microorganism

Hi everyone, I have an urgent question. For growing aerobic microorganisms, I prepared conical flasks which covered with cotton at top. After 3 months I decided to measure the amount of produced...

01 January 1970 5,373 3 View

Growth inhibition by H2O2?

Hi everyone, I really confused because I grew my bacteria cells 48 H in nutrient broth and then measured the OD 600 in a micro-plate reader. Following, I added different concentration of H2O2...

01 January 1970 3,674 1 View

Which analytic technique (LC-MS / GC-MS) should be used for identification of plastic biodegraded product?

Hi everyone, I need your specialty in my research.I would like to understand what kind of compounds are created as the by-product of polyethylene, polystyrene, polypropylene and PET plastic...

01 January 1970 2,975 4 View