How to remove particles from a methylene blue solution without changing its concentration?

27 February 2024 1 6K Report

I have a solution of methylene blue and the centrifugation isn't able to decant all the particles, and I need to do a UV/vis spectrophotometry of it, but the particles induces to a wrong result.

Ralph Nelson

Try filtration.

Badges
Science topic

Similar topics
Econ
Manufacturing
Industry

More Marcos Metidieri's questions See All

Can you recommend to me survey studies (peer-reviewed) analyzing the relationship between Blockchain and Supply Chain?

More specifically, I would like to find papers with a robust research methodology and providing the research questionnaire. Thank you.

23 November 2020 8,537 8 View

When will we have access to Brazilian agricultural censuses microdata publically available? Can Google and Microsoft help it?

Microdata are a wonderful way of analyzing specific issues in an heterogeneous environment. Brazil is wonderfully diverse country, and its countryside is also extremely heterogeneous. We have...

25 October 2020 8,900 2 View

Does anyone have a Bragg Grating simulation example in comsol?

I was searching for a bragg Grating simulation example in comsol, but I did not find any. The only one that I found was incomplete. Does anyone have a Bragg Grating simulation example in comsol?...

03 October 2020 4,337 6 View

Avigan ( Favipiravir), Hydroxychloroquine plus Azithromycin. A possible Cocktail against SARS-COV2 ?

All the three medicaments have promising results reported and supposed complementary mechanism of action?

10 April 2020 6,909 7 View

What might be causing the discontinuity in my UV-VIS?

The image I am posting is just two examples of gold nanoparticles, but the problem I am getting is not sample sensitive. The equipment is showing the same discontinuity no matter what we are...

23 August 2019 4,805 3 View

How to use a TEV protease from Genscript?

Hello everyone!, I would like to know if someone can help us with this issue. We are using TEV PROTEASE in my Lab following the manufacturer instructions (Genscript, USA) and we have had bad...

02 April 2019 6,248 1 View

Does anyone know any dataset of a multicriteria decision making problem?

I am looking for a dataset which contains the judgments of the decision-makers for the decision problem, as in the AHP method. The problem can be in any area. Most datasets are related with...

13 March 2019 5,469 3 View

Could we organize collective human intelligence to achieve and surpass the breakthroughs obtained or crystallized by individual human geniuses?

The biophysicist Jacques Monod hypothesized that man will never understand itself due to that a logical system could not be higher than itself. With the internet becomes common use the somewhat...

30 January 2019 8,014 10 View

Image H Mahler?

Where can I find a high-resolution image, OPEN ACCESS OR ALL RIGHTS FOR THE UNIVERSITY PRESS of Halfdan T MAHLER (1923-- 2016) who was director-general of the World Health Organization (WHO) from...

03 August 2018 8,519 3 View

Why does a miRNA downregulate the mRNA levels of its target gene but does not bind to its 3'-UTR?

Hi everyone. I am trying to validate the regulation of one miRNA over its predictive gene. To achieve it, I have done two different experiments: 1) To do overexpression experiments in cells at...

29 July 2018 4,616 3 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Why do my MCFs not form monolayer?

Hello, I am looking for some expertise on culturing MCF7s. I purchased them from ATCC and I have been following all media and culture conditions. Media is EMEM with 10% FBS and 10ug/mL of...

27 February 2021 3,904 2 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

Questio regarding micro/nano particles fabrication ?

I will start to fabricate micro/nanoparticles for growth factor release and I check out a procedure quite nice, however, it is lacking some details and since I don't have much knowledge doing this...

20 February 2021 199 2 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View

Why is my pressure equal to kinetic energy in NVT MD simulation?

I don't know much about molecular dynamics, but I am suspicious of my pressure being equal to kinetic energy. I am using // sum the velocities squared: double v2sum = 0.0; for (int i = 0; i

15 February 2021 1,316 3 View

How complex systems physics/statistical mechanics would be helpful for particle physics & Networking?

Recently, I've been selected for an ICTP program named Physics of Complex Systems. But, I have a keen interest in Particle Physics & Quantum networks. As statistical mechanics involved in...

11 February 2021 699 3 View