DNA isolation

DNA extraction is the removal of deoxyribonucleic acid (DNA) from the cells or viruses in which it normally resides. It is often an early step in many diagnostic processes used to detect bacteria and viruses in the environment as well as diagnosing disease and genetic disorders. The ability to extract DNA is of primary importance to studying the genetic causes of disease and for the development of diagnostics and drugs. It is also essential for carrying out forensic science, sequencing genomes, detecting bacteria and viruses in the environment and for determining paternity. One of the most common methods is the Sequencing in witch the operator take portions of, or whole genomes for comparison with existing sequence in the public data base for analyze their composite. A DNA extraction consist in break open the cells or virus containing the DNA of interest and then remove with enzymes or specific chemicals every sustance contained in the cell that`s not the DNA. The extraction of DNA is pivotal to biotechnology. It is the starting point for numerous applications, ranging from fundamental research to routine diagnostic and therapeutic decision-making. Extraction and purification are also essential to determining the unique characteristics of DNA, including its size, shape and function.  

My favourite subject

From very beginning of my schooling day as far as I remember, I have an attraction for Mathematics, I never feel anything boring about this Subject. As my father is an engineer, he always helps me to learn the subject well. Also he teaches me with a great technique of visual representation.

I like this subject because it doesn't need memorizing skill, only mental logic is sufficient, It’s one of the subjects in which anyone can score full marks and overall of marks can be improved. Also I think that is very important that mathematical know is a very common type of knowledge that has greater impact on our day to day life.

In our classes we only learn theorems and laws from math that helps us to solve different problems or exercises that the teacher proposes, which I think is very boring. Our classes could be more interactive with more activities or that kind of thigs, not only calculate on our notebooks contexts that are far from the reality.

   

A scientist to admire

Linus Carl Pauling (February 28, 1901 – August 19, 1994) was an American chemist, biochemist, peace activist, author, and educator, he was one of the founders of the fields of quantum chemistry and molecular biology. Pauling was awarded the Nobel Prize in Chemistry in 1954. In 1962, for his peace activism, he was awarded the Nobel Peace Prize. This makes him the only person to be awarded two unshared Nobel Prizes. Pauling has been listed among the 20 greatest scientists of all time. His discoveries led to decisive contributions in a diverse array of areas including quantum mechanics, inorganic chemistry, organic chemistry, protein structure, molecular biology, and medicine. But also he began to circulate a petition among scientists to stop nuclear testing on January 15, 1958, Pauling and his wife presented a petition to United Nations Secretary General Dag Hammarskjöld calling for an end to the testing of nuclear weapons. It was signed by 11,021 scientists representing fifty countries.

I admire Linus Pauling because he was able to combine science and humanity, creating greats discoveries in a long list of diverses themes and fighting also for an safer and more trustworthy world without nuclear weapons that could create a big damage both to the humanity and the planet we live on.