Advise non-toxic high molecular weight, organic electron-excess compounds such as humic acids?

15 February 2024 1 6K Report

Hello, colleagues. What high-molecular organic compounds do you know, such as lignin or humic acids (the presence of electron-excess compounds in the composition).

Importantly, these compounds must be non-toxic

Srinivasan Jayakumar

Valeriya Velichko

Some of the non-toxic, electron-rich high molecular organic compounds include Lignin, Humic Acids, Fulvic Acids, Alginic Acid, Chitin, Pectins and Cellulose.

Badges
Science topic

More Valeriya Velichko's questions See All

Colleagues, please advise the literature on selective tritium adsorption?

I am very interested in the methods of selective adsorption of tritium from water, except for distillation columns. Can you recommend the literature on the fundamental physics of tritium to me?

19 February 2024 7,977 1 View

Is reaction conditions Ca(OH)2 + SiO2 = CaSiO3 + H2O?

Dear colleagues, does anyone know the temperature and pressure for the reaction Ca(OH)2 + SiO2 = CaSiO3 + H2O?

28 August 2023 7,477 2 View

How to separate the organized urine sediment after centrifugation?

I am currently working with tritium effects and would like to split organized urine's sediment i.e making it divided into classes (proteins, red blood cells, ketones, etc.). Can I use for this...

25 October 2019 1,426 1 View

How to regress out nuisance regressors (CSF&WM signal, motion and global mean outliers) from resting state fMRI data with FSL FEAT?

Having problems with the JISCMail, so trying my luck here: How can I regress out nuisance regressors (WM, CSF signal, motion and global mean outliers) without having a model or main EVs because my...

09 May 2016 941 8 View

What are the best measurement tools for divergent versus convergent thinking processes?

I am hoping to better understand the neuroscience of divergent versus convergent thinking as part of a creative process, so I am thinking of a block-design fmri study including divergent and...

27 April 2016 6,697 2 View

What is the standard procedure to regress out CSF and white matter in resting state analysis with FSL?

I am doing a resting-state seed-based analysis as I understoon, I will need to include regressors for CSF and White matter to regress them out in the GLM. How exactly do I make that happen?...

26 March 2016 205 10 View

Which FSL atlas is best to use for DMN ROI masks?

I want to create separate masks for right and left hemispheres of the following regions: ventro medial prefrontal ctx (vmPFC), dorso medial prefrontal ctx dmPFC), anterior middle cingulate ctx...

09 March 2016 6,541 16 View

Which global mean and movement thresholds are best to use in ART artifact detection tools?

Have encountered 3std and 1mm, 6 and 2, 3 and 2, 5 and 3 in literature...what would you recommentd? Is there a rule of thumb to decide what's best for which data or similar?

07 March 2016 2,658 5 View

What is a good way to detect and remove noise components after melodic ICA on single session resting state data?

I am using FSL to perform resting state analysis, just past pre-processing, I realized that identifying noise components manually is not only time comsuming, but may not be 100% accurate. Are...

06 February 2016 8,562 4 View

What do you think about mission, functions and tasks of University libraries in the digital era? What we can to do for researchers and students?

We are collecting suggestions for planning the work of Tomsk State University Library. So, researchers point of view is very important.

07 March 2013 5,854 20 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Are there instances where molecules with larger molecular weights exhibit greater mobility than those with smaller molecular weights?

Hi, I know that low molecular weight (MW) molecules generally tend to have higher mobility, while high molecular weight molecules tend to have lower mobility. However, in my experimental...

06 August 2024 1,495 2 View

The aqueous fraction of the hydroethanolic extract is showing the presence of palmitic acid. What is the mechanism responsible ?

Palmitic acid presence in aqueous fraction

05 August 2024 8,624 4 View

For an in-vitro drug release study, what molecular weight cut-off (MWCO) dialysis bag is required for a 117 kDa protein?

kindly reply me. Thanking you in advance.

05 August 2024 7,727 4 View

Which distribution type should I use when calculating the average particle size from TEM image? and how to calculate the error ?

average particle size calculation from TEM

04 August 2024 2,921 1 View

How to start a Molecular Dynamics Simulation?

Is it possible to conduct a molecular dynamics simulation to see the effects of a specific carbohydrate on the structure of lipids (e.g., micelle structure)? I am a beginner in this field and plan...

03 August 2024 3,371 3 View

Which will be the best software for the Hydration shell analysis with molecular dynamics?

I am using a windows system, what software I should use for hydration shell analysis with molecular dynamics?

02 August 2024 3,143 4 View

Can anyone provide me with molecular docking softwares/ websites?

Molecular docking software/ websites?

02 August 2024 8,704 7 View