Laser characterization of hydrocarbons?

More Sandra Milena Lopez Zamora's questions See All

Why do open and free science in a world where science is not open and free?

Because I have realized that the world tends more and more to do open and free science and there is a trend more and more to choose free databases, free tools and open access platforms.

01 August 2024 10,046 1 View

How many events should be counted for the analysis of apoptosis with nuclear staining with Hoechst 33342 whit microscopy ?

Greeting How many events should be counted for the analysis of apoptosis with nuclear staining with Hoechst 33342 whit microscopy ? Are 100 events count sufficient and three repetitions for...

25 July 2024 7,520 0 View

Why Is My mtDNA Ct Value Higher Than Nuclear DNA in qPCR?

Hello everyone, I'm currently working on calculating the relative levels of mtDNA using qPCR by comparing the Ct values of a mitochondrial gene (nd1) and a nuclear gene. According to my...

16 July 2024 5,508 0 View

Is it possible that the Earth's axis of rotation could change?

Due to the shifting ocean currents, the planet could be thrown off balance, altering the angle of rotation, and even causing the axis to shift, plunging us into chaos. In reality, it doesn't take...

15 July 2024 8,949 1 View

How to Freeze Embryos for Spatial Transcriptomics?

Hello everyone, I am currently working on a project involving spatial transcriptomics on E14 mouse embryos. We need to perform cryosectioning without fixing the embryos. Here is the protocol we...

10 July 2024 5,985 0 View

In silico techniques for identification of inhibitor/activator/substrate activity?

Hello dear researchers, I would like to know about available in silico tests that could predict the activity of ligands (small molecules) against the target protein. I have performed docking...

08 July 2024 4,724 4 View

Are there any information about protocols of CRISPR in leishmania strains?

I am looking for a CRISPR protocol for application in leishmania strains

08 July 2024 9,732 1 View

¿En qué medida las tecnologías educativas están siendo efectivas para promover el desarrollo de habilidades para la vida?

las

19 June 2024 2,125 3 View

Expert in advanced statistics interested in contributing to an academic article on the adoption of digital innovations in agriculture?

We are looking for a highly qualified researcher with expertise in advanced statistical analysis to contribute to a scientific article to be submitted to a prestigious journal by the end of the...

13 June 2024 569 4 View

Does wind power turbine use increase world temperatures a lot and create hurricanes?

Wind turbines extract a lot of energy, about 30-35%, that passes through. Now they are building a lot of them, more and more powerful. Change wind trajectory is easy, if a lot of obstacles is in...

12 June 2024 9,002 2 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

Using OBD technique i am trying to measure laser induced shockwaves velocity i found that at start velocity increases and then decay?

i am unable to interpret why its increases in start as shown in figure

11 August 2024 2,179 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

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 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

Why does my protein refolded to beta sheet during thermal denaturation analysis?

Hi! So i attempted to understand a novel protein behavior towards heat application by analyzing its secondary structure change. I subjected the protein to a thermal denaturation analysis using...

06 August 2024 1,989 3 View

Please explain how the plastic input value should be considered from the true stress-strain curve for the bilinear elastoplastic material model ?

I am working on Abaqus/Explicit(Quasistatic ) for the deformation of the auxetic structure model. Please explain how the plastic input value should be considered from the true stress-strain curve...

05 August 2024 454 3 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View