Essays on Formaldehyde

Damien Hirst is one of the most expensive contemporary artists who became such because of topic of death and his own impudence. His works provoke both delight and disgust; collectors pay for them millions of dollars. How he manages to sell the dismembered animals rolled into formaldehyde for such fabulous sums – this seems to be a secret. But one thing is for sure – Damien Hirst is a talent who has his own unique style. In 1988, Hirst organized the exhibition of young artists called Freeze. A collector and promoter Charles Saatchi came to check young talents and their works. ...

Lignin Chemistry

Lignin History Lignin is a plant-derived biopolymer with several applications. It is considered an effective alternative to chemically synthesized plastics that pose serious environmental problems during manufacture and disposal. Lignin is often obtained as a byproduct in paper and pulp manufacture. Lignin has to be dissolved to obtain cellulose from wood. In 1838, Anselme Payen discovered that wood contained cellulose, and oxidizable coatings (later called lignin) that bind the cellulose together (McCarthy and Islam, 2000). This coating material could be removed from wood after acid treatment and washing with an aqueous alkali solution (McCarthy and Islam, 2000). Later, several ...

Introduction

Tobacco companies are developing and advertising products that they claim have reduced harm on the health of the consumers. As a result of this development, the number of youths using e-cigarettes is increasing at a very alarming rate. Center for Disease Control states that the use of e-cigarettes among the middle school teenagers as well as high school students has been tripling every year. It increased from 4.5 percent in 2013 to 13.4 percent in the year 2014. This was a percentage of high school teenagers alone. The use of e-cigarettes among the youths has greatly surpassed the youths’ ...