Quantitative Biology

2005 Submissions

[6] viXra:2005.0233 [pdf] submitted on 2020-05-23 14:02:49

Hydraulic Pressure Drives Urine Concentration Too

Authors: Johan Nygren
Comments: 4 Pages.

The kidney has connected filtration and reabsorption in series down a pressure gradient and both rely on pressure generated by the heart as a pump.
Category: Quantitative Biology

[5] viXra:2005.0207 [pdf] submitted on 2020-05-20 15:25:51

Kidney Filtration Pressure as a “single Effect” for Osmotic Gradient

Authors: Johan Nygren
Comments: 1 Page.

Consider the name of the renal pyramids, and that it points to them being pyramidal. This anatomy suggests the “urine compartment”, the nephrons and collecting ducts, narrows from the base of the renal pyramid (cortex) to the top (papilla), in the same way as a funnel. This anatomical arrangement likely has a role in the reabsorption of 99% of all filtrate produced per day, simply by providing resistance. If this architecture is able to contribute to reabsorption of water, and, by that, concentration of urine, and if this concentrated urine to some extent equilibrates with the surrounding medullary interstitium, then it would provide a “single effect” for an osmotic multiplier.
Category: Quantitative Biology

[4] viXra:2005.0188 [pdf] submitted on 2020-05-18 18:41:40

The Present Behavior of Linear Increasing of Cases of Covid-19

Authors: Valdir Monteiro dos Santos Godoi
Comments: 19 Pages.

We see in graphs the current approximately linear behavior of the advance in the number of confirmed cases, deaths and recovered cases by Covid-19.
Category: Quantitative Biology

[3] viXra:2005.0127 [pdf] submitted on 2020-05-11 17:35:55

When Will Brazil Overtake Other Countries in Numbers of Confirmed Cases and Deaths in This Pandemic?

Authors: Valdir Monteiro dos Santos Godoi
Comments: 7 Pages.

We calculated when Brazil, which today it is in the eighth position in the ranking of confirmed cases, but has the highest growth rate of this disease among the first 11 countries, will overtake the USA, today in first place in the ranking of confirmed cases and deaths by COVID-19. We did the same with the other 6 countries.
Category: Quantitative Biology

[2] viXra:2005.0086 [pdf] replaced on 2020-05-09 06:46:43

A New Forecast of Total Deaths by COVID-19 in the World, US and Countries of South America (May-04-2020)

Authors: Valdir Monteiro dos Santos Godoi
Comments: 5 Pages.

Based on datas of Johns Hopkins University we calculated an estimative of deaths by COVID-19 in the world, US and countries of South America.
Category: Quantitative Biology

[1] viXra:2005.0030 [pdf] submitted on 2020-05-02 17:52:31

Forecast of Total Deaths by COVID-19 in the World, US and South America (May-01-2020)

Authors: Valdir Monteiro dos Santos Godoi
Comments: 3 Pages.

We asked the following questions: 1) When an entire population will have been infected by the coronavirus, in this COVID-19 pandemic, assuming that no vaccination or other form of preventive (or curative) medication exists until that day, and the population remains constant (births and deaths are not accounted for)? We also assume that no change in social behavior occurs until that date, for simplicity. 2) What is the corresponding number of deaths by COVID-19 on that date?
Category: Quantitative Biology