In phytochemical screening why do we use different solvents?

When we conduct different screening tests to identify phytochemicals in plant extracts, we use more than one solvent. What are the criteria or how do we select the best solvent rather than using...

07 August 2020 2,933 5 View

How can I send a digital signal to an actuator, after recognizing a defect of a print using python and openCV?

I have got a defects subtracted image using python and openCV. Now I want to send a digital signal to an actuator to take necessary actions when a defect is detected. How can I do that? I wish to...

31 July 2018 8,067 3 View

Do you believe that your living surrounding, climate and time of the day affect on your health?

CVA is more likely to get early in the morning and in winter. Bronchial asthma may aggravate at night. Some psychological diseases worsen on fullmoon days. Why is that?

01 January 1970 8,179 2 View

Can online teachig be used in primary and secondary education sustainably?

Covid 19 pandemic taught many lessons to the mankind. Online teaching were encouraged in every stage of education. Delivering online teachig was successful to great extent in university education....

01 January 1970 3,748 35 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View