Does anyone know how to improve scratch resistance of polystyrene (PS)?

More Gurunathan Thangavel's questions See All

How can cellulose and starch be modified to enhance the processability?

Please explain the difference between starch and cellulose in terms of the molecular architecture. Thanks!

03 April 2018 330 3 View

Can someone give me some idea about the pH sensitive polymer?

Polymers which are stable or unstable depending upon the pH environment they are subjected to. The application of this material would be a layer (intermattalic layer) in some micro-system. Thank...

02 March 2018 4,935 1 View

How about Soy based poly foam?

crate and barel sells a couch, they assured us it’s FR free and non toxic. Soy foam is less than 20% soy and more than 90% polyurethane foam. Do you have any idea?

01 February 2018 8,630 0 View

Do you know about the ECOS® Treeless Toilet Paper?

They are (ECOS®) made from renewable bamboo and sugarcane. Does it is free of inks, dyes and fragrances. I don’t know anything about the processing but bamboo and sugarcane are fine to use. I...

01 February 2018 8,098 2 View

How safe is the polyurethane in the new interior car seats from toyota and others?

I want to know if it is safe to buy. It has been on my mind as we are purchasing a car with softech or softtex.

01 February 2018 335 3 View

What do you think about a product that is made of "100% nylon coated Polyurethane"?

Since it’s made of polyurethane, I’m not convinced it’s safe.

01 February 2018 10,094 0 View

Have you heard of "Ryanair Pledges to Go Plastic-Free by 2023"?

The Irish airline Ryaniar has pledged to go plastic-free by 2023! The decision is part of the company’s latest plans to improve its service and is a welcome addition to the wave of governments and...

01 February 2018 2,370 1 View

What temperature do you recommend using all parchment paper?

Maximum all parchment paper that is free of non-stick coatings. The parchment paper I have seen has a silicone coating. Do you know what a typical parchment paper coating is made of?. What type of...

01 February 2018 5,220 0 View

MALDI-TOF MS of PDMS based ligand - What matrix should I select in order to obtain a good MS?

As I know, correct selection of the matrix is crucial for the success and correct interpretation. Could you suggest any matrix for long-chain PDMS ligand (masses range 10-20 kDa)? What conditions...

31 December 2017 6,051 2 View

Is there any relation between phase mixing/miscibility and phase separation/immiscibility in the polymer blends?

What exactly is the main result for this? Kindly explain briefly... I have checked so many publications associated with it, however, it is difficult for me to find the exact and clear definition....

31 December 2017 377 0 View

What is the best way to drop a plasmid?

Please address the best way to drop a plasmid. Background: I have a "bait" plasmid resistant to kanamycin and a "prey" plasmid resistant to carbenicillin. After many rounds of streaking on...

25 July 2024 2,532 3 View

My rosetta strain has chloramp resistance and i am transforming my plasmid with amp resistance but not getting colonies on chloramp/amp LB plates?

I have done the same procedure with BL21 and pLysE but i got colonies but multiple times on rosetta i did but not getting. can anyone explain what would have gone wrong?

12 July 2024 9,904 1 View

Quelles applications innovantes peuvent bénéficier des propriétés des géopolymère?

Les géopolymères offrent plusieurs propriétés intéressantes qui peuvent être exploitées dans diverses applications innovantes : 1. Construction durable : - Bétons à faible empreinte carbone -...

10 July 2024 7,457 1 View

What is alternative for PMMA?

If we want to introduce a material similar to polymethyl methacrylate "with the characteristics mentioned in the next paragraph" that can be added to a precursor and create a composite, which...

03 July 2024 2,371 1 View

How can we reduce the porosity of tungsten oxide (WO3) thin films during DC sputtering deposition (target: W, power: 100 W, 75 W, and 50 W)?

We are fabricating a tandem structure where a ~50 nm thick WO3 film is deposited between two metal films using DC sputtering. We use a mixture of Ar and O2 gases at different flow rates while...

01 July 2024 2,686 2 View

Hi i m workiking with hct116 resistant and naïve cells after passage half of my cells die can anybody help?

thanks

25 June 2024 4,667 0 View

Why carrier Concentration decreases while increasing Temperature ?

Hi All . Recently, I conducted Hall measurement experiments at high temperatures on highly p-doped diamond with a doping concentration of 2.5×10^20 cm−3 During these experiments, I observed two...

23 June 2024 4,763 0 View

Why carrier Concentration decreases while increasing Temperature ?

Hi All . Recently, I conducted Hall measurement experiments at high temperatures on highly p-doped diamond with a doping concentration of 2.5×10^20 cm−3 During these experiments, I observed two...

23 June 2024 6,583 2 View

Effect of post bake on PPR resist?

HI , i am concerned about any resist hardening effect of Post bake my LOR +PPR coated sample @90C for 5 mins. I wanted to do liftoff in acetone but the metals are hard to peel off. I cant use PG...

18 June 2024 5,741 0 View

Why should you convert a WGS to core genome? and what is a core genome?

I read a paper where they converted WGS to core genome to check for AMR through resfinder, any insights would be appreciated, new to bioinformatics.

10 June 2024 8,347 1 View