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
I am working on depositing Polyaniline on titanium through electropolymerization using cyclic voltammeter for antibacterial effect. I found a couple of articles showing that they achieved...
24 April 2021 1,577 2 View
Hello together, I am conducting the established assay for carbohydrate detection with anthrone reagent in an aquatic organism. Normally, the color changes like expected from yellow to green, or...
21 April 2021 803 3 View
I want to show evolution of hydrogen by sending the evolving gas into a solution containing Pd/C catalyst. Is there a molecule, or group of molecules that will change colour when reduced with...
20 April 2021 7,866 4 View
Iam following the paper by Hyatt et al. but the mentioned coloured product isnt coming
19 April 2021 3,777 5 View
I would like to know if there are any natural bioactive compound or other post-harvest treatments to prevent chilling injury, control decay, preserve fruit color and firmness and prolong the shelf...
18 April 2021 9,051 11 View
A. baumannii is a lactose non-fermenter bacteria, I cultured clinical swab on hiCrome Acinetobacter agar Base, then subculture on MacConkey because this bacteria is lactose non-fermenter, it...
16 April 2021 7,013 2 View
I have segmented an image using kmeans and color threshold methods Calculated mean and variance. Now , How to analyse two segmented images using mean and variance values? Please anyone answer me?
15 April 2021 7,515 4 View
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 8,612 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 6,021 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 8,368 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 4,351 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 3,697 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 186 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 7,337 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 2,547 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 9,468 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 3,848 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 2,031 1 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 1,560 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 1,931 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 1,382 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 2,072 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 8,862 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 7,671 4 View