Which is the best way to swell PS-DVB resins?

More Poornima Dineshika Herath Mudiyanselage's questions See All

What are the evidence available for using thermo-tactile stimulations on patients with dysphagia?

- Using ice for massage oral cavity and structures etc.

30 May 2024 6,180 0 View

World Congress on NURSING EDUCATION & PRACTICE - 12th Edition ?

Hi Everyone, Our research team has received an invitation to present our research work at the “12th Edition - World Congress on NURSING EDUCATION & PRACTICE" (World Nursing Congress 2024)...

06 April 2024 3,104 1 View

How to improve RPL objective function? by implementing new designed metrics in RPL using Contiki/cooja. Can you please explain how to do this?

I'm trying to improve RPL objective function by implementing new designed metrics in RPL using.

03 April 2024 6,710 3 View

What is the Conceptual Framework of a research?

My supervisor asked me to include a diagram of a conceptual framework in my dissertation, but I'm unsure about its meaning and how to create such a diagram. Can someone provide guidance on this?

01 November 2023 9,667 1 View

Is anyone having Kalu River ground based rainfall data from 2015-2023 ?

I'm planning to do new research related to the Kalu River and I need monthly ground-based rainfall data from 2015-2023. Please contact me if anyone has this particular data set for sharing.

09 September 2023 1,103 5 View

Do methylated primers amplify unmethylated DNA?

I used bisuflite converted, fully methylated DNA, bisulfite converted fully unmethylated DNA and unconverted DNA controls from Qiagen and tested out methylated and unmethylated primers. The...

02 September 2023 2,813 0 View

For the below attached image, I wish to know the tools available to draw models like that for research paper?

I'm currently working on the cognitive radio network technology. For illustrative purpose I wish to know the tools available for depicting my idea effectively.

23 July 2023 8,112 4 View

Do you have any publication on the influence of Social Media on health advice seeking Behavior?

When analyzing dialogues being exchanged on Facebook and youtube like social media, it's seen that there are more queries on health-related problems. It is good to research the sociological aspect...

23 June 2023 7,649 2 View

Can anyone let me the know how to convert the ground level ozone data concentration from Dobson unit to ppm?

We have a data downloaded from google earth engine from the dataset TOMS and OMI Merged Ozone Data. The data is expressed in terms of Dobson unit. To correlate the satellite data with the ground...

06 June 2023 4,704 1 View

What is the difference between dynamic forecast and static forecast in EViews? which gives the most accurate forecasts?

I'm using stock price data to model the volatility and forecast volatility using EViews. In forecasting when I use the static forecast, the mean absolute percentage error is high but it is low...

04 May 2023 5,927 5 View

What is the solvent for 8YSZ nano material?

I need to do some experiment with it in liquid form.

07 August 2024 613 3 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View

I need to dissolve stigmasterol for an animal experiment, it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent?

Hello everyone, I need to dissolve stigmasterol for an animal experiment, but it hasn't dissolved in either DMSO or vegetable oil. Can anyone recommend the best solvent for stigmasterol?

01 August 2024 7,504 2 View

A positively charged and 10x his-tagged protein that doesn't bind to any chromatographic resin?

Hello everyone, I am currently working on a protein that is 10x his-tagged and positively charged (predicted pI=10.16). But when I tried to use Ni-NTA column to purify the protein, it's not...

24 July 2024 7,293 4 View

What is the principle/mechanism behind aging of carbon (graphite) containing refractory mix for isostatically pressed refractories?

The resin bonded carbon containing refractories are aged before use. How time of aging is determined? And mechanism behind aging.

23 July 2024 3,205 0 View

Prevent sedimentation and maintain the suspension of powder particles in the resin ?

Hello, I am experiencing an issue with mixing micro powder with resin in a 3D printer. The problem is that sedimentation occurs after a short period (about half an hour to an hour). Could you...

23 July 2024 1,672 0 View

Why methanol and sulphuric acid used in the analysis of polyhydroxyalkanoates (PHA) by GC-MS?

Why methanol and sulphuric acid, used in the analysis of polyhydroxyalkanoates (PHA) methyl esters by GC-MS? Additionally, why do we typically use non-polar solvents in GC-MS?

22 July 2024 1,210 2 View

When making abraxane with Nab tech, why is 9:1 Chloroform&EtOH used as solvents?

Is it the best optimization ratio based on experiments?

22 July 2024 8,170 0 View

Any relation between resin viscosity（mPa*s）and resin relative molecule weight？why the former is used in manufacture?

https://en.wikipedia.org/wiki/Viscosity

21 July 2024 3,089 4 View

What is the solvent system required to run tlc for calixarenes?

If you don't understand my question let me know

21 July 2024 563 1 View

Oleg Novikov

Dear Poornima Dineshika Herath Mudiyanselage ! The best swelling agent for 4-(Hydroxymethyl)benzoyl-4-methylbenzhydrylamide resin copolymers is acetone. But you need to understand what is the purpose of the project? https://www.peptide.com/resources/peptide-synthesis-resins/cleavage-from-hmba-mbha-resin/

Poornima Dineshika Herath Mudiyanselage

Dear Oleg Novikov Thank you for your reply.