What spectrophotometric method can be used to detect and quantify total nitroso compounds in wine?

The samples will be fruit wines, since nitrosation in red wine was reported to contribute to mutagenicity. So far, a chemiluminescence method was reported, although our laboratory has limited...

11 December 2014 7,314 6 View

What is the best assay to detect pro-oxidative stress in bacterial and cell cultures?

I am interested to know what assays can be used to detect pro-oxidative stress in cells.

04 May 2014 8,839 2 View

Can science education graduates perform experimental research in chemistry?

I am aware that chemistry science education students should perform science education research. But is it allowed for a student to conduct research on natural product chemistry or environmental...

03 April 2014 5,009 2 View

Where can I obtain a copy of the Sternberg Triarchic Ability Test?

I am interested in using the questionnaire to assess the intelligence profile of students in our department in relation to developing a plan of action for our teaching strategies.

03 April 2014 4,161 3 View

Which is a more appropriate statistical test for assessing genotoxicity of samples: Student's T-test or ANOVA?

I compared the genotoxicity of four compounds (metal complexes of an organic compound) with the positive control. Most studies utilized Student's T-test. What I have in mind is ANOVA with post hoc...

11 December 2013 8,060 5 View

Is there a protocol for the isocratic HPLC for ochratoxin A and sterigmatocystin using UV?

I am planning to quantify the two fungal toxins in coffee simultaneously using HPLC but our equipment has no fluorescence detector. Is it possible to utilize UV detection?

09 October 2013 3,196 4 View

How do you separate biogenic amines using paper electrophoresis?

I used a pH 6.0 Phosphate Buffer Solution, and regular paper chromatography at 100V. It did not work well though.

03 April 2013 4,569 3 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