Spin orbit interaction in nonlinear optical responces espesially SHG

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How to dissolve Span 80 in mineral oil or liquid paraffin?

I want to work on microfluidic chip. Dispersed phase of alginate solution and continuous phase of Span 80 solution in combination with mineral oil or liquid paraffin. But I had a problem with the...

19 May 2024 1,790 7 View

Why we did not have clear bands with FluorChem protein simple imaging system?

we did not have clear bands with FluorChem protein simple imaging system .That is, the intensity of the bands are so high that the distance between the wells containing different samples are not...

26 January 2024 9,162 0 View

Should the new column from the subproblem always go into the base of the master problem in the next iteration?

In some iterations, when a new column is added to the master, it does not enter the base and a stop condition occurs, or a new column with a better objective function is found. is it correct? When...

20 November 2023 8,677 0 View

Can we consider incident rate ratio equal to hazard ratio in meta-analysis?

In a meta-analysis, there is just one study that reported the incident rate ratio, can I consider it as HR?

03 November 2023 1,845 4 View

Why my transduction efficiency doesn't exceed 10% with MOI=10 in Jurkat cells?

I am expressing two genes (CAR and a reporter) under EF-1a promoter in a lentiviral vector. I am using 2nd-generation lentiviral system (psPAX2 and VSV-G). My transfection efficiency in 293LTV...

24 October 2023 5,750 5 View

Whats the simplest method to measure OH radicals in a solution?

Hello everyone, I am currently involved in research focused on the electrochemical removal of synthetic wastewater as part of my project. I am seeking the simplest method to measure the OH...

04 October 2023 6,694 3 View

How to prevent the aggregation of positively charged nanoparticles in the aqueous environment?

I have made positively charged nanoparticles with Lecithin, Squalene, Tween 80, Span 85 and Dotap. But after using ultrasonic, the particles are aggregated and their size increases. How can...

10 September 2023 3,280 3 View

Hi, what is the problem?

I made cationic nanocarrier by lecithin, Squalen, tween 80, span 85 and DOTAP via melting method in 80 C, but nanoparticles had negative charge instead of positive charge. Does anyone know where...

04 August 2023 5,742 1 View

Can lipid nanoparticles larger than 200 nm pass through the 0.2 filter due to flexibility?

Hi, Can lipid nanoparticles larger than 200 nm pass through the 0.2 filter due to flexibility?

04 August 2023 2,727 2 View

What is the Maldi-tof technique?

What is the Maldi-tof technique? Is it necessary to perform Maldi-tof technique after protein purification?

16 June 2023 9,555 4 View

Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

How to confirm the site-directed mutagenesis result without performing NGS?

I'm cloning a fragment of 3200 nts into plasmid. The cloning was successful, however, 02 amino acids were mutated. Now I want to fix these 02 aa by site-directed mutagenesis technique using...

08 August 2024 4,645 2 View

How do I conformally do PR spin coating on trench structure?

I did PR spin coating on trench structure. I used AZ P4620 PR and the thickness or PR is around 11um. The substrate is Si. And my trench structure depth is 141um(negative way). Even though I...

08 August 2024 2,298 0 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 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 understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Can't spin-orbit coupling(SOC) be included in optical properties calculation in CASTEP?

I am currently using CASTEP version 2020. When I want to run optical properties calculations with spin-orbit coupling(SOC), I encounter the following error in a pop-up window before the job gets...

02 August 2024 2,890 0 View

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 View

Why Powder XRD is performed after cruhsing a crystal if Single Crystal XRD analysis of the same crystal has been performed already ?

What information we can get from PXRD analysis other than from SCXRD analysis of a crystal ?

30 July 2024 6,261 4 View

How to know the b axis of a single crystal?

How to apply magnetic field parallel to b axis of any crystal

29 July 2024 4,083 2 View