The visually perceived property of objects created by absorption or reflection of specific wavelengths of light. | Contact experts in Color to get answers
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Questions related to Color
Is there any component in the YCbCr color space undefined in some cases? Like in HSV, the Hue plane is undefined when Saturation equals 0. Also, the Hue and Saturation are undefined when Value...
13 November 2020 1,714 2 View
I'm planning to use Benidict solution to do research on the amount of glucose in candy, but I'm not sure how to calculate the specific amount of sugar from the Benedict solution. Is there a way to...
11 November 2020 1,649 3 View
I'm interested in quantifying the output of a chromoprotein (amilCP specifically) in E. coli. I will be using this color output as a pseudo-quantification of the concentration of iron in the...
11 November 2020 2,978 1 View
I am currently designing a research proposal for isolation of dopaminergic neurones progenitors by FACs (after immunolabbeling for 3 different intracellular proteins). I wondered whether this...
10 November 2020 8,552 5 View
Hey all, My question is about the spectrophotometer. I am trying to read the % T of E.coli in MaCckonkey broth which has the color violet to Blue. I am asking at what wavelength should I be...
30 October 2020 416 1 View
I have synthesized NCQDs using citric acid and urea as precursors. The powder-color of the quantum dot after the freeze-dried is green; however, the color will change to black as stored at room...
30 October 2020 3,922 3 View
I am synthesizing Graphene Oxide from Anthracite Coal. Anthracite coal was first pre-treated with 30% HNO3 for 2 hours at 80 oC temperature. Then washed with distilled water several times until...
29 October 2020 8,413 1 View
Why the pink color will change to yellow, when the DMEM media is frozen? however after dissolution in room temperature, media color will change back into pink.
27 October 2020 1,203 2 View
Dear community, I want to use Zebrafish as an animal model to check T-cell activation by a special Antibody containing an anti-CD3 Domain. Therefore I will inject human PBMCs and with some delay...
21 October 2020 5,073 0 View
Hi to every one, I'm performing Wittig reaction using methyltriphenyphosphonium iodide (new), nBuLi in hexane (new) and my aldehyde, in dry THF (not totally fresh). I noted some colour change...
19 October 2020 3,037 1 View
Pomengranate, Fruit wall, degradation
13 October 2020 6,708 13 View
I have SEM image of cross section of multilayer thin film sample and need to represent the different color for different layer without losing its morphological information on the image. Is there...
09 October 2020 10,109 6 View
Hi there, Is it possible to convert between color scales like Lovibond, Gardner, Apha or the solutions mentioned in Ph. Eur ? I found descriptions of spectophotometers where e.g. EBC and SRM were...
08 October 2020 6,170 1 View
The tlc plate show pink, sky blue and purple color under uv light. is there any standard through which i can read that this color show this compound? and also there are some compounds which show...
07 October 2020 6,491 3 View
I have conducted an experiment of electroforming using stainless steel as a mandrel and nickel sulphamate as a solution using 1 L of beaker. The size stainless steel mandrel is 4cm x 13.5 cm....
06 October 2020 6,079 3 View
looking for some assistance.. how do you determine which MCF-7 cancer cells have been well cultured in flasks just by observing the color of the contents in the flask and microscopic view?
29 September 2020 7,805 1 View
I want to use ImageJ for counting my different tephra populations in a thin section sample, but I am not able to separate the lighter populations from the darker ones in ImageJ before counting. I...
29 September 2020 5,953 2 View
The color of dichloropropane changed from colorless to brown color during distillation. The actual color of dichloropropane is colorless. Why the color changed. Thank you
28 September 2020 3,564 3 View
I'm working on the purification of a few different his tagged proteins and while some have turned out good, other preps present this strong yellow colour after purification. I've expressed in a...
28 September 2020 4,482 7 View
If $A$ is a G-graded algebra then one can define on it a color involution, i.e. a bijective linear map preserving the grading such that the image of a product of two homogeneous elements is...
25 September 2020 5,640 3 View
Dear RG friends,please describe and suggests any good articles,DOI link,references or APHA Manual-2017 for Color Detection and degradation. Regards, Md.O Aquatar
16 September 2020 1,026 3 View
I want to measure a low concentration of Hg2+ in a solution spectrophotometrically, ia there an indicator or something i can use as an indicator for Hg2+ to color it and make it easy to measure
15 September 2020 3,766 3 View
After the appearance of yellow color solution, on the addition of drop wise AgNO3 solution...how can i convert it to dry form ?
09 September 2020 3,186 2 View
#Zeta potential
07 September 2020 8,091 3 View