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

Gurunathan Thangavel @Gurunathan_Thangavel

03 March 2018 1 5K Report

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 you in advance.

Jai Ghosh

Read the article attached herewith. It will give you some basic ideas on these materials:

Badges
Science topic

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

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

Parts both for modified and homopolymer of PS. How can I measure the scratch resistance property of PS (Non Destructive). Would appreciate any suggestion.

02 March 2018 8,481 2 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

How to assess the osmotic power of a substance?

Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...

06 August 2024 977 1 View

How to check pH of a high strength hydrogel?

We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...

30 July 2024 942 2 View

EDTA buffer solution?

Hello everyone! How can i prepare EDTA buffer solution (pH 8.2) to determine GSH levels? Thank you in advance.

29 July 2024 4,374 1 View

Whether i can preserve leaves samples in 2.5% glutaraldehyde in 0.05 M phosphate buffer, pH 7 for coming several weeks for further LM study ?

I want to preserve the sample leaves for the LM study of the stomata and conidia analysis. Whether 2.5% glutaraldehyde in 0.05 M phosphate buffer with pH 7 can be applied for preservation.

29 July 2024 8,560 0 View

How can I regenerate a SCX column modified with Sulfonate group (Thermo 054995)? The colmun has lost its Resolution and peak to valley ratio?

The column is used in Ion Exchange Chromatography of Monoclonal antibodies and the method of analysis is based on pH gradint.

13 July 2024 7,462 1 View

My Cyclic voltammetry curve doesn't show cathodic peak of Cu2+ to Cu+. how to solve this problem?

I performed CV of Cu-MOF in a buffer solution of pH 8, and we did not find any peak corresponding to Cu2+ to Cu+. What is the reason behind this? Please give your valuable suggestions.

08 July 2024 2,388 4 View

Is it possible to generate a (semi-)permanent "transcription bubble" within a replicable plasmid?

I was wondering if it is possible to form a permanent open "ssDNA bubble" similar to a transcription bubble (>13 nucleotides) within E. coli. These criteria are important: 1. Open ssDNA...

07 July 2024 8,275 5 View

Is it possible for the soil pH to be around 8, but with negligible amounts of carbonates, bicarbonates and exchangeable sodium?

Can this pH of 8 be due to the presence of other substances? Or do I have an error somewhere in the analysis? Thank you!

26 June 2024 9,093 4 View

Which pH range is allowed for subcutaneous pump administration?

Hello, We are designing a protocol to determine the effect of certain compounds in the health of rats, but our problems have certain instability issues when subjected to certain pHs. We were...

19 June 2024 5,950 1 View

Ni-NTA protein purification - how to obtain higher yield concentration?

Hello, I am trying to purify a 6X-His tagged protein using Ni-NTA chromatography. However, I obtain very less yield & concentration; and considerable protein in load flow through. Any...

16 June 2024 5,876 5 View