Browsing Vol. 35 Núm. 2 (2021) by Issue Date
Now showing items 1-8 of 8
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Armas químicas: descripción general de tipos, riesgos y tratamientos
(Pontificia Universidad Católica del PerúPE, 2021-08-22)Chemical weapons have been used since time immemorial with a particular boom during the 19th century and World War I, where they played a crucial role as weapons of mass destruction. Despite the current greater awareness ... -
La cromatografía en capa fina: una alternativa vigente en la industria farmacéutica
(Pontificia Universidad Católica del PerúPE, 2021-09-08)Thin-layer chromatography (TLC) emerged in the '50s, receiving great acceptance in its early years thanks to its versatility and efficiency. However, advances in new technologies caused thin layer chromatography to be ... -
Si la leche es blanca, ¿Por qué el queso es amarillo?
(Pontificia Universidad Católica del PerúPE, 2021-10-13)Cow's milk, which is used to make cheese, contains b-carotene, which is the compound responsible for the natural pale-yellow color of cheese. This yellow-orange colored compound is found naturally in the grass that cows ... -
Rojo: el color del Perú
(Pontificia Universidad Católica del PerúPE, 2021-10-19)The red color is characteristic of the symbols and emblems of Peru. It is not only present in the national flag, but is also characteristic of its national bird (Rupicola peruviana) and flower (Cantua buxifolia). Their ... -
100 años de la ciencia macromolecular: orígenes y perspectivas de futuro
(Pontificia Universidad Católica del PerúPE, 2021-11-05)The year 2020 marked the 100th anniversary of the emergence of macromolecular science, also known as polymer science. In 1920, German chemist Herman Staudinger conducted pioneering research in which he coined the term ... -
Tendencias en el uso del biocarbón como acondicionador de suelos
(Pontificia Universidad Católica del PerúPE, 2021-12-01)Biochar is a product that is obtained from different types of biomass such as pine wood bark, bamboo, organic and vegetable waste, human manure, poultry manure, among others. Biochar has been used in different ways as a ... -
Un bicentenario que también celebramos los químicos
(Pontificia Universidad Católica del PerúPE, 2021-12-21) -
Bicentenario… de la cafeína
(Pontificia Universidad Católica del PerúPE, 2021-12-21)Se cumplen doscientos años del descubrimiento de la cafeína y en este rincón filatélico se hace un repaso a los descubridores de esta molécula tan consumida en el mundo por medio de un conjunto de estampillas.
