Does the material (ultrahigh molecular weight polyethylene) really causing ecotoxicity?

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Is there any solid evidence on leaching activities of POPs /or PHCs associated with plastic fragments after ingestion by marine biota?

Some additives used in the plastic materials are surfactants but frequently they are not used for their surface or interfacial activity. Surfactant-like stuffs may increase the leaching...

31 December 2017 3,543 2 View

Monomers / small oligomers used in the plastic materials are really hazardous? When it becomes toxic?

Usually, residual monomers / small oligomers (e.g. BPA, styrene, vinyl chloride, ethylene, propylene etc.) are found in the different plastic materials since polymerization reactions are hardly...

11 December 2017 4,796 6 View

Is there any added risk if marine organisms unfortunately consume microplastic particles associated with organic matters / living materials?

As we know that marine microplastics gets colonised by various organic matters / living materials (e.g. biofilms, algae, microbes etc.) within a few weeks; Previous study has also indicated that...

11 December 2017 6,975 5 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 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

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 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

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

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

How to improve peaks separation in HPLC?

Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...

30 July 2024 435 3 View

How to restart MD without using checkpint file in GROMACS?

Dear All Gromacs User I would like to restart MD without using checkpint .cpt files? I heard there is a way for acheiveing this. Any input and sugegstions are most welcome. Thanking You Budheswar

29 July 2024 3,084 8 View

Amin Shavandi Popular answer

Very much depend on the application, for example if uses for manufacturing equipment then shouldn't cause toxicity. Find more here:

https://www.azom.com/article.aspx?ArticleID=4237

Dimitar P. Mitev

It can be ecotoxic in aspect of pollution with non-biodegradable polymers. This is heavy problem for the living creatures in oceans nowadays.

Amin Shavandi

Dusmant Maharana

Thank you very much for providing valuable information.