In a trade flows gravity model, how would you solve the problem of having fixed effects, the multilateral resistance and the border effect?

More Héctor Manuel Malacara Hernández's questions See All

Are the GABAergic neurons electrophysiologically equal in all brain areas?

Firing in GABAergic neurons has been characterized in several areas of the brain, but patterns are the same?

04 August 2024 4,090 0 View

Is possible to edit a gene present in a plasmid by Crispr Cas9?

Hello everyone! Someone working with Crispr Cas9. I have a question. Is it possible to edit a gene that is present on a plasmid (in this case with a low copy number)? In this case, is it possible...

22 July 2024 7,073 2 View

How to adjust the survey weights for non-response rate in a stratified random sample design?

Thank you in advance for your support. We conducted a stratified random survey in 13 strata and obtained a sample size for each stratum. At the time of the survey we had a variable...

01 July 2024 281 3 View

Can anyone recommend an antibody development course?

I would like to find a short course focused on the development of monoclonal antibodies covering the entire process, from the selection of antigen and carrier, to the purification of the final...

27 June 2024 5,618 1 View

How to reduce the material coming out of the torque rheometer?

A physical mix was in vitro evaluated on a torque rheometer. The composition was predominantly recycled polypropylene (PP), yet the melt flow index (MFI) was found to be excessively high....

25 June 2024 10,154 0 View

What are the best ways to the recount of microalgae?

I know the neubauer method, but I hear about the recount of growth with spectrophotometer.

23 June 2024 9,295 1 View

How can I get a PhD in Asia or Europe?

I want to do my post doc outside Mexico can you recommend me where to apply?

19 May 2024 9,053 0 View

Are there other studies that support the study's conclusion of decreased TAT with the use of plasma/ lithium heparinized plasma tubes?

The research "The transition from gel separatory serum tubes to lithium heparin gel tubes in the clinical laboratory" is a study that aims to assess the viability of replacing serum samples with...

09 April 2024 703 1 View

How do I know how much isoflurane to put in the vaporizer for surgery on rats?

That is, how many milliliters are used in each surgery? I have searched for information regarding consumption by respiratory volume or per kg of weight but I cannot find information.

24 March 2024 6,744 1 View

Relationship electrolyte solubility with dielectric constant solvent?

Is there a direct and simple relationship between the solubility of a salt and the dielectric constant of the solvent or solvent mixture in which the salt is to be solubilised? For example: the...

21 March 2024 2,313 2 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

Explain theoretically and with the aid of an example the concept of equation linear and not linear in variables and parameters?

In Econometrics

07 August 2024 6,142 4 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View