Why is my synthesized Thiolated polyvinylalcohol insoluble?

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What could be the main threats on an international level based on current global issues?

Based on current global issues, the main threats at the international level can be summarized as follows: 1. Particularly, global pandemics can pose serious health threats on an international...

29 January 2024 313 4 View

Can you explain how geopolitical factors might influence intelligence operations?

Geopolitical factors influence intelligence operations in various ways: 1. Geopolitical considerations assist intelligence agencies in determining strategic priorities. The political, economic,...

29 January 2024 1,621 0 View

Do you have any experince to etch 20 nm Au with DRIE by using Ar or Cl2? Do you have any suggestion about thin gold etching?

Do you have any experince to etch 20 nm Au with DRIE by using Ar or Cl2? Do you have any suggestion about thin gold etching? Note that as a etching mask, I will not use metal layer, just polymer mask.

28 January 2024 2,338 0 View

What is the correct way to draw tangents on potential sweep data for Tafel analysis?

My data has multiple straight line regions for both anodic and cathodic reaction

05 November 2023 645 0 View

Is it suggestted to use multiple comparisons such as FDR for structural equation modelling (SEM)?

In my hypothesis driven SEM, I have in total 28 variables and 58 edges. Considering such amount, do you suggest me to report adjusted p-values with FDR for example or raw p-values? Thank you in...

15 August 2023 5,489 5 View

Can somebody explain why this baseline drops coming in chronoamperometry?

I am using N2 gas pump for continuous buffer flow in plastic microfluidics channel.

10 August 2023 8,903 1 View

What drove human evolution? Natural Selection or DNA?

The driver seems DNA based on the parallelisms below? (?a nonstop dominance struggle in DNA between progressive and retrogressive forces?) Evidence for the parallelism between extreme warmings...

09 June 2023 6,230 10 View

Downbeat nystagmus in Meniere Disease?

Hi everyone, I had a patient 3 days ago complaining of left ear fluctuating sensorineural hearing loss, otofonia before attacks, and vertigo(lasts one hour). his test results : unterberger has no...

13 May 2023 7,060 2 View

Since quantum entanglement is a proven fact, wouldn't the speed of light be exceeded?

No, quantum entanglement does not allow for the violation of the speed of light limit. Quantum entanglement is a phenomenon in which two or more particles become correlated in such a way that the...

02 March 2023 6,936 3 View

Effect of PDMS Mold Surface Roughness for PDMS-Glass Bonding?

Hi All, Normally when we are preparing the PDMS, we usually use Si as mold . Assume that you fabricate your PDMS mold in 3D-Printer instead of patterns on Si fabricated by SU-8 . Do you think...

27 January 2023 4,346 3 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

How to improve peaks separation in HPLC?

Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...

30 July 2024 435 3 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

What is the best method to detect the chemical composition of pollen ?

I have multiple small samples of grass pollen with anthers. I want to find a method to identify concentrations of proteins, lipids, and other various elements for these samples. any suggestions?

28 July 2024 5,331 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

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