Which coupling agent is best to conjugate a polymer (Hyaluronic acid) with secondary alcohol?

22 August 2017 0 3K Report

I have tried DCC and DMAP, Pybop and DCC and NHS but none of them have worked till now

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My question concerns MTT cell viability assay?

Despite not having cells in the media, I am getting purple color. I have tried many troubleshooting methods, varying media types, and even different MTTs from different companies to figure out the...

21 July 2024 9,914 1 View

Guidance needed for preparing the hydrogel samples for the XRD instrument?

I'm working with a hydrogel sample and I'd like to perform XRD analysis. Can anyone offer guidance on preparing the hydrogel for the XRD instrument? Specifically, I'm unsure about the best method...

20 July 2024 3,611 4 View

How can I extract the mathematical equation from existing Neural Network Model?

There exists a neural network model designed to predict a specific output, detailed in a published article. The model comprises 14 inputs, each normalized with minimum and maximum parameters...

14 July 2024 2,714 3 View

Why does my IVT gRNA product gives HMW smear in gel?

We are using MEGAshortscript™ T7 Transcription Kit for transcribing gRNAs from linearized plasmid templates. (MSP3485 digested with HindIII) (https://www.addgene.org/140082/) We let the reaction...

01 July 2024 6,342 0 View

How can Abaqus CAE be utilized to assess the variation in wall thickness throughout a plastic bottle following a blow molding simulation?

Hello ResearchGate Community, How can Abaqus CAE be utilized to assess the variation in wall thickness throughout a plastic bottle following a blow molding simulation?

26 June 2024 9,281 4 View

JCR 2024 Impact Factor Download File-Factors caused decline in IF are?

Why the IF of almost all journals declined so much? For the file download go to https://www.researchgate.net/post/JCR_Impact_Factor_2024-Factors_causes_decline_in_IF

21 June 2024 3,358 0 View

Drawing fullerene more than 60 carbon?

I have ChemDraw 22.2.0 and I want to draw PC70BM but I just found C60 and less in the templates so, any one can help me ?

18 June 2024 3,098 3 View

When use a HOMER Pro to design hybrid system PV/electrolyzer/hydrogen tank. How can I use all electrical load to power the electrolyzer?

Simulating a Hybrid System with PV, Grid, Electrolyzer (No Load) in HOMER. here is a question about how to use HOMER Pro to design a solar PV system for water electrolysis using electrolyzer for...

05 June 2024 5,609 0 View

Expert questionnaire, Is it possible for people with a specialty in music psychology to evaluate this questionnaire? Through the link below?

It is possible for people specialized in music psychology to evaluate this questionnaire Through the link below Thank you https://forms.gle/qzoD7jN2UDUhMjwQ7

02 June 2024 9,546 0 View

How can we extract DNA from yeast isolates without using any lysis buffer or lysis enzymes? Is there any manual protocol?

31 May 2024 548 4 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

How to increase simulation box size?

We intend to study the interaction between peptides and polymer (like PP, PE and PS) through MD simulations using Martini force fields ( Martini 2 for PP and Martini 3 for PE, PS). We have...

08 August 2024 4,842 0 View

How to heat polymer for about 130° without oil bath ?

is there any other way to heat a polymer evenly other than oil bath if so what are those and how to use it

06 August 2024 947 1 View

Conjugation of PEG-Amine to an Amino Acid Using EDC?

I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...

31 July 2024 2,033 1 View

Is the mentioned CV graph a valid one as this graph have only one peak prominent (reduction)?

I have used Prussian blue nanoparticles as a redox couple. The PBNPs have been made using only one salt precursor. Also, during scan rate studies, a small oxidation peak can be consistently found...

31 July 2024 9,697 0 View

How do you obtain a Letter of Access for Citizen Researchers?

Please may I ask if non-salaried Public Contributors conduct data collection interviews or Focus Groups with NHS patients as part of your study? This means that the Public Contributor will either...

29 July 2024 3,085 0 View

How to explain the different interaction between soluble and insoluble polymer in water?

Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.

29 July 2024 6,350 3 View

Why is it not common to see similar pairs in polymer sliding pairs?

If the pairs are similar, will it reduce the adhesion due to electric charges?

29 July 2024 3,185 2 View

HAs anyone used TGA to find activation enegy of water evaporation?

I have different polymer solutions and I hypothesize that water molecules are retained based on the water-polymer interactions, so the amount of free water is less to intercat with drug tablet....

28 July 2024 9,545 6 View

EDC carbodiimide and NHS easter 's half life among different pH?

It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...

25 July 2024 8,738 0 View