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
Hi, I would need to match some images between different categories by complexity i.e. in terms of colour patterns and shapes. Is there any step-by-step procedure to follow? I probably need to...
14 April 2021 8,629 2 View
I do Photo Degradation experiment in Sun light.(Dark, 30min, 60min, 90min, 120,min,150min,180min). But Our Result is depend on time increase color.
13 April 2021 6,034 1 View
Using Spectroradiometer to measure samples, can the color of the background be ignored? Neutral gray, black, and white backgrounds are often used for color measurement. Will the use of...
13 April 2021 8,382 3 View
I want to ferment unripe matured banana, without losing its colour and nutritional properties except for a reduction in sugar
13 April 2021 4,358 5 View
Since multiple alleles are working for variation in different individuals for a particular trait due to mutation over the wild allele, which leads to functional features or traits, how different...
12 April 2021 3,706 4 View
I am preparing activated carbon from a sludge-based precursor by dry impregnation with K2CO3. However, after activation when the acid wash was performed on the prepared product, it imparted...
12 April 2021 201 5 View
Dear colleagues, I would like to ask a question upon request of my student: “Hello everyone, I am a student and I am doing a project on a very interesting topic: why men and women perceive colors...
10 April 2021 7,345 4 View
Our lab has see these black things in our organoid cultures for the last two weeks. We use a ECM Matrigel. The things do not change the media color and do not seem to grow quickly if at all. Any...
07 April 2021 2,560 2 View
I am currently conducting a protein assay with the Bio-Rad Protein Assay Dye Reagent Concentrate, it's active ingredient is Coomassie Brilliant blue G-250. When distilled water is added to the...
25 March 2021 9,478 5 View
Hi I am looking for a method/recipe for making a lysis buffer for extracting coloured proteins from E.coli K12. The coloured proteins are derived from GFP. The antibiotic used is...
23 March 2021 3,858 3 View
I'm studying the extraction of xylan from hardwoods and I see many different colours. Some colours are specific to each tree species, but I observe colour changes before and after pretreatments...
23 March 2021 2,043 1 View
Dear Connections, I have a sample which has a very strong odor of Kerosene, So I wanna cover this awful odor. I made a trial using some esters but didn't work. If there any suggestions, I'll be...
23 March 2021 1,978 2 View
I have tried to add a colour to an EDTA solution, adjusting the pH using citric acid. At concentrations from 5% down to 2% (EDTA), however the colour appears to 'bleach' out after only a couple of...
22 March 2021 1,569 1 View
After analysis of a model in ABAQUS CAE, in the results of Pore water pressure am getting white color (in spectrum) as shown in the attached picture. What does it mean..? Hope someone will help...
12 March 2021 1,941 3 View
I tried following process A mixture of 0.48 g of sodium tungsten dehydrate was dissolved in 10 mL of deionized water under magnetic stirring for 30 min. Then, 20 wt% thiourea , and 2.5 mL of...
04 March 2021 1,392 2 View
What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...
22 February 2021 2,120 4 View
I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....
22 February 2021 8,914 1 View
I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...
18 February 2021 7,715 4 View
The intensity of the color developed at the test line is more than that of the control line but mostly vice versa occurs. Waiting for valuable suggestions.
17 February 2021 4,846 1 View
I would like to read about your experiences in the measurement of the color of liquid samples (wine, oil, or whatever) using a glass cuvette to calculate L* a* and b* parameters with the...
09 February 2021 6,876 4 View
We have been color banding American Kestrels using A-craft alpha-numeric color bands since ~2013 and would like to test other options. I am curious if any other researchers have experience using...
02 February 2021 6,953 3 View
Astaxanthin is a keto-carotenoids having reddish color. It occurs naturally in certain algae and causes the pink or red color of different seafood especially salmon, shrimp, trout, and lobster....
30 January 2021 8,071 2 View
I found that most of differentiating cells (3T3-L1 preadipocytes, HaCaT keratinocytes, C2C12 myocytes....) show very active metabolism and make "the medium color" red to yellow (presumably by acid...
29 January 2021 9,082 0 View
Previously, I have tried testing of nitrate in water. Sometimes I got intense blue color. However this procedure is not repeatable. It is highlighted that when I prepared diphenylamine in sulfuric...
27 January 2021 4,953 1 View