How can I identify the size of nanoparticles without the use of electron microscopy?

01 February 2019 7,263 20 View

How can I separate the different sizes of nanoparticles?

I could get nanoparticles by using a physical method, but because of that method we get different sized molecules. How can I separate the different sizes of nanoparticles?

01 February 2019 8,452 3 View

Is there a simple test we can perform to ensure that we get nanoparticles?

There are many methods we can make to ensure that the compound becomes in the size of the nanoparticles, most based on devices such as transmission electron microscopy (TEM). Which are not...

31 December 2018 8,683 4 View

Can we estimate the concentration of a substance by measuring its absorption at 3 wavelengths, such as what the eyes do?

The eyes can estimate the concentration of a solution roughly. Through three receptors of colors. Can we estimate the concentration of a substance by measuring its absorption at 3 wavelengths,...

31 December 2018 3,471 3 View

The sensitivity of spectrophotometric methods depends on the length of the optical path. How can we increase the optical path length in the sample?

Is there any research papers about increasing the sensitivity of spectrophotometric methods by increasing the length of the optical path?

31 December 2018 4,128 1 View

I want to produce an inbred mice strain to use in toxicity tests. What qualities should be chosen? And How to do that?

In Egypt, there is a lack of pure strains of experimental mice. How can I produce a pure strain? What are the tests that confirm obtaining a pure strain? After how many generations to get a pure...

04 May 2018 2,530 0 View

Can we feed on white rat meat?

White mice are characterized by rapid reproduction and rapid growth. Can their meat be used in food industry experiments?

04 May 2018 7,421 5 View

How can I get solar cells in the form of a hollow cylinder?

I want to study the effect of temperature on the efficiency of solar cells. So, I needed solar cells in the form of a hollow cylinder to run a stream of water in it. How can I get it and from where?

04 May 2018 6,105 7 View

How can I evaluate the selectivity of some pesticides?

I want to evaluate some fungicides on some fungus as well as some fungus and bacteria used to biological control of this fungus. How can I evaluate the selectivity of these pesticides?

02 March 2018 1,554 4 View

What is the best free program to correct grammatical and linguistic for the English language?

Since my native language is Arabic, I find difficult to review the linguistic and grammatical errors of my English language. So I want a free program to correct the language and grammar for the...

02 March 2018 4,138 0 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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 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