04 January 2024 0 5K Report

Considering children between 6 and 18 years of age

More Carlos Efraín Marchena Cárdenas's questions See All
What does a decreasing 𝐶𝑒 vs. 𝑄e ​plot indicate in an adsorption isotherm?

I am conducting adsorption experiments in a liquid medium, and one of my samples showed a decrease in Qe​ values with an increase in Ce​. Has anyone encountered this behavior before? What does it...

26 June 2024 7,304 2 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

Word error in a title / full text (1 page) shared: may I correct it ?

A recently published visual abstract should have the title "Word First Myelography..." instead of the error "Mielography". (the 2 other text references in the article are correct) I am changing it...

20 May 2024 8,134 1 View

Fluorescence spectroscopy: signal from water?

In order to proceed with the quantification of an Azide Alkyne Cycloaddition reaction efficiency by using a fluorogenic probe with Cy5-DBCO, I first need to construct a calibration curve. The...

16 May 2024 6,266 5 View

Is there a commercially available cell line from human cancer-associated fibroblasts (CAFs) isolated from malignant pleural mesothelioma or lung ca ?

Dear community, I am currently working on a proposal focusing on cancer-associated fibroblasts (CAFs) from malignant pleural mesothelioma (MPM). In my search among commercial cell line providers,...

05 May 2024 5,572 4 View

For DOM (dissolved organic matter) and in addition to the Follin method strategy, is there another way to determine phenolic content in the sample?

This is working with DOM (dissolved organic matter) and in addition to the acid-base titration strategy, Follin's method, there is another strategy to determine the amount of phenolic?

23 April 2024 2,197 1 View

Could you use a Tesla Turbine in a car?

In 1913, Nikola Tesla patented a new kind of turbine that required no blades and converted kinetic fluid energy into rotational energy. It uses nozzles that apply fluid to the edges of smooth...

17 April 2024 6,702 0 View

Where i can find calibration area used from my model ?

Hello, friends. Currently, I am working on species distribution modelling using maxent. I have run the model using occurrence and climate data from WorldClim. Where i can find calibration area...

14 April 2024 2,460 3 View

How can I reduce the variability of CFU counts between replicates?

I'm challenging bacteria with different compounds, then plating the suspension on LB agar to assess CFU and understand the bactericidal properties of my compounds. However, I'm encountering...

10 April 2024 7,458 7 View

Aside from the diagnostic efficacy of the various immunoassays for HDV, do these tests vary in risks or health hazard for the medical technologist?

Pertaining to the study "Diagnostic Efficacy of Serological Antibody Detection Tests for Hepatitis Delta Virus: A Systematic Review and Meta-Analysis" by Pan et. al (2023), they discussed the...

09 April 2024 4,044 1 View

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How do I correct that wrong author's profile in my publication?

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

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Is there a validated questionnaire for target audience research?

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