| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "Another good way to quantitate sugars is with a refractometer. They are pretty cheap and often used in wineries. " | Read more » | over 5 years ago | |||
| david_uwi | "Both glucose and sucrose solutions are colourless so visible light is not going to work. A homemade spectrometer will not go very far into the UV ,..." | Read more » | over 5 years ago | |||
| kokoz | "I think the sucrose is in different wavelenghts? in human body sucrose is broken down in to glucose.. " | Read more » | over 5 years ago | |||
| warren | "I don't know about glucose, but this post notes how to detect sugar (sucrose, i guess?) in wine: https://publiclab.org/notes/ygzstc/07-23-2014/dete..." | Read more » | over 5 years ago | |||
| chongyukwai | "I think that set still has error since some of the important band is still below the dim light area eg red if they are using the same light source ..." | Read more » | almost 9 years ago | |||
| warren | "I'm worried though that your images are not taken with the same calibration, so the wavelengths may not be comparable. Also, in this sample, I see ..." | Read more » | almost 9 years ago | |||
| chongyukwai | "Yes, i have done the calibration manually uses the blue and green light. Because the urine(concentrated urine and non-concentrated urine) are colle..." | Read more » | almost 9 years ago | |||
| warren | "Your three spectra don't seem to have the same range -- are you sure about their calibrations matching? " | Read more » | almost 9 years ago |