Ma.Roselette Laserna Alojado

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Is there a way to measure the separate RGB of multiple selection using Image J?

I will be analyzing digital images through RGB measurements. For this, I will use Image J. I am not an expert with it so what I do is select an area (using the round selector) then measure the...

10 October 2014 8,708 6 View

Free software for RSM

I am looking for a free software for conducting Response Surface Methodology. I would be needing it for the development of my method. If you know any, please send me a response. Thanks in advance.

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What is the function/purpose of acetic acid in a Phloroglucinol Assay for pentoses?

The Phloroglucinol Assay makes use of this coloring reagent: 0.5g phloroglucinol + 100ml glacial acetic acid + 10ml conc. hydrochloric acid The reaction involves the conversion of pentose into...

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Is it possible for dehydration of xylose to furfural to occur in the absence of heat?

Based on references I've read, the dehydration of xylose to form furfural requires heating (most of them above 100°C) in the presence of a strong acid. However, I was wondering if it's possible to...

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Is there a way to distinguish between xylose and arabinose?

I am working on a colorimetric determination of xylose in fermentation medium. As basis, I would use the phloroglucinol assay but instead of using a spectrophotometer, I will do digital...

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