What is the relation between Zero Point State and Vacuum energy?

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How to synthesis the uniform polyamide active layer on the aminated PVC support layer?

we work on forward osmosis membrane. the support layer is aminated PVC and the active layer is polyamide. for synthesis of polyamide , I follow the routine methods of interfacial polymerization...

19 April 2024 3,574 1 View

How to detect Asparaginase resistant cell lines?

Dear friends How to detect Asparaginase resistant cell lines? Do you know cell lines resistant to asparaginase? Is there any protocol to detect the resistance?

20 August 2023 7,261 1 View

Can siRNA be delivered into human normal/leukemia cell?

Hi Do you know that siRNA can be inserted into the white blood cells of normal people and leukemic people sample?

11 July 2023 7,580 1 View

Recombinant protein protocol?

Dear colleagues Please suggest a comprehensive and complete protocol for the production and purification of bacterial recombinant protein in E.Coli BL21 strain.

10 July 2023 8,318 2 View

How can I calculate C-statistic for specific time interval in STATA?

for example, how can I calculate c-index or c-statistic (for investigation of my prediction model performance) at 5-year and 10-year follow-up in cohort sample?

04 October 2022 6,666 2 View

Do you have a standard scfv production protocol?

I want to make scfv from E.coli, but I can't find a standard and clear protocol. Please help me if you can🙏

20 September 2022 2,378 1 View

What type of phosphate buffer is suitable for extracting protein from the plant?

What type of phosphate buffer is suitable for extracting protein from the plant I intend to extract and measure protein from plants by using the Bradford method. In order to do this, I need a...

13 March 2022 2,771 6 View

Any solution to find the optimal point?

Dear all, I am working on a string matching project. I want to find the best and most appropriate index in each array of the string to divide it into two groups so that it has the lowest cost if a...

02 February 2022 9,481 9 View

How to calculate standard deviation from confidence interval in large sample size studies?

we are conducting a meta-analysis on community-based intervention trials. Some of the studies don't have the standard deviation, but only the 95% CI and mean. Sample sizes are large. I have tried...

27 December 2021 6,179 3 View

How to define the major predictors, confounding variables, and collinearity of predictors in clinical prediction model?

We are trying to run a clinical prediction model (based on regression analysis) to predict the effect of some dietary and non-dietary factors on mortality from a specific disease in a cohort...

01 December 2021 7,161 2 View

Stability of the Solar System: Insights from Einstein’s Equations ?

The stability of the Solar System is a complex subject that blends the classical framework of Newtonian mechanics with the modern insights provided by General Relativity (GR). Understanding this...

07 August 2024 2,569 1 View

How to use Density Functional Theory to calculate carrier mobilities of solid system?

Hello, everyone. I have tried to determine carrier motilities of some materials, by Density Functional Theory, using Quantum ESPRESSO. There are a few methods to do it, like a package called...

04 August 2024 8,894 1 View

Can a photocatalytic degradation of methylene blue from red mud be pseudo- zero order kinetics?

My photocatalyst from solid waste red med. Dye is methylene blue My all parameter study is showing zero order. How to prove it further that the reaction in zero order?

29 July 2024 7,404 1 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 View

Can anyone kindly suggest research topics in the area of thermodynamics, heat transfer, fluid mechanics or renewable energy?

I am an undergraduate mechanical engineering student seeking suggestions on topics related to either thermodynamics, fluid mechanics, heat transfer or renewable energy for my final year project....

24 July 2024 4,058 5 View

How to determine method detection limit in an analytical method?

I know the difference between instrumental LOD and method LOD but my query is - in case of any sample whose concentration is zero or not detected by the instrumental LOD, is it possible to get...

24 July 2024 6,592 5 View

Can we isolate microplastic from sludge sample without using vacuum filter..?

isolation of microplastic from sludge sample using centrifugation ..

23 July 2024 6,418 0 View

Radar Detection Probabilities using beta distributed Scattering Cross section?

Currently I need to calculate detection probabilities (PD) from radar cross section (RCS) data. Beta distribution parameters for this RCS data are calculated and will be used in Swerling0...

22 July 2024 868 0 View

Is there a good macro photography kit for on-site metallurgical investigation?

I am looking to purchase a photography kit for onsite metallurgical investigations, such as capturing photos of worn areas, hot tears, cold tears etc. Could anyone suggest me a good...

22 July 2024 3,490 2 View