It's Colombia, not Columbia!

Arturo C. Porzecanski @Arturo-Porzecanski

01 January 1970 0 8K Report

Thesis Stumbling Toward the Up Escalator: How Trends in Internation...

"The second essay evaluates environmental and social protections covering development lending for infrastructure in the Andean nations of Columbia, Ecuador, Peru, and Bolivia..."

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¿Cuales son los virus fitopatógenos persistentes?

El tema pedido corresponde al curso de fitopatología agrícola de la carrera vde agronomia

26 May 2024 3,908 3 View

Why does base doping profile disappear after diffusion step when using init tdr=file in SPROCEES?

Hi, I have generated doping profiles with SDE and I want to use the generated tdr files as an input for further processing in SPROCESS. Using "init tdr=file" properly loads the doping profile...

24 January 2024 5,676 0 View

How to properly calculate statistics with data (time series) repeated in the same time stamp?

We have made almost 400 laser experiments where the measurements are done through a photocell, registering voltage variations corresponding to variations in the intensity of the laser beam. When...

02 October 2023 7,538 2 View

Preventive transfussion or not in sickle cell disease?

Hello all. I have been trying to find if there are studies suggesting or not preventive transfusion in patients with sickle cell disease in order to prevent cardiovascular disease, also if there...

28 March 2023 1,018 1 View

Why is my PBMC pellet red to the bottom of the tube after washing?

I use Lymphoprep solution to separete and I wash with HBSS.

20 December 2022 9,322 4 View

What is trade off?

I am reading an article related to herbivory strategies such as tolerance and defense and their potential linking in trade-offs. According to Rosenthal and Kotanen (1994), natural selection might...

19 December 2021 1,193 0 View

In a paper is it necesary a permission to reproduce almost all a table from a paper published in other paper? or is enough indicate the reference?

I with co-authors included almost all a table from other paper in a paper that we are going to submit, but we are not sure if we need permision for copyright to reproduce the table or is only...

14 September 2021 7,180 6 View

What is the best cryoprotectant for Lactobacilli if skim milk is not available ?

Hi All, I have a very particular question, I used to use skim milk powder as a cryoprotectant for lactobacilli that would face freeze-drying, (skim milk would give the best viability). However,...

29 March 2021 6,012 5 View

Data visualization in Python: How to reduce the number of plots?

Hello everyone, I am conducting an investigation where the influence of the coefficient of friction on the deformation of a material is analyzed. With the results I have made 4 simple plots of...

27 March 2021 3,529 5 View

What interferences are present in the Folin-Ciocalteu's Method that overestimate the concentration of polyphenols?

Greetings! I'm trying to develop a quick routine method (quality control) to determine polyphenols in hydroalcoholic extracts of Moringa oleifera seeds. However, the test results reflects...

07 March 2021 5,444 6 View

Why do exism movements become permanent dictatorship threats within liberal democracy thinking under majority rule-independent rule of law system?

Exism movements after gaining power within liberal democracies under majority rule and independent rule of law system become permanent dictatorship threats, but why this is the case is not clear...

04 August 2024 8,125 3 View

How Social Media Affects Your Mental Health ?

How Social Media Affects Your Mental Health

04 August 2024 6,961 3 View

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,230 4 View

Are current regulations effective in preventing cancer caused by toxins?

I am currently researching the impact of environmental toxins on children's health and would greatly appreciate insights from experts in the field. If you are an expert or researcher working on...

02 August 2024 4,474 2 View

How does social media influence people's dental habits and interest in aesthetic dental treatments?

Hello, Dear friends, I am surveying as part of my thesis research and would greatly appreciate your participation. The study investigates how social media influences dental health behaviors...

01 August 2024 9,349 2 View

What is effective targeted chaos?

Perfect democracy thinking assumes no chaos so no need for independent rule of law system and liberal democracies assume the possibility of normal democratic chaos that can be sorted out by an...

28 July 2024 473 1 View

What are the important scholarly articles related to 'Use of Likert Scale in social science research' ?

The Likert scale is a commonly used measurement tool in social science research to assess people's attitudes, opinions, or perceptions. The social science students still have difficulty selecting...

25 July 2024 7,535 1 View

Can primary care be sustainable ? And how ?

I am starting to work on this question, with particular reference to what we might be able to learn from countries outside the UK. Of course this topic is huge, and I am breaking sustainability...

25 July 2024 1,545 3 View

Corporate Social responsibility strategy?

strategy and organisation of effective social responsibility in corporations

24 July 2024 5,003 2 View

How can I identify popular hashtags on a social media platform from three years ago?

I'm looking into climate change fake news (specifically ice melt fake news) on TikTok and YouTube, and I'm going to be gathering relevant social media posts from around COP26. Any ideas on how I...

23 July 2024 6,737 2 View