Phenols

According to the United States Environmental Protection Agency, hydraulic fracturing or fracking is a “well stimulation process used to maximize the extraction of underground resources.” The resource most commonly extracted using hydraulic fracturing is natural gas. The practice of hydraulic fracturing is highly controversial as proponents and opponents debate its environmental benefits and costs. To begin, the use of hydraulic fracturing has greatly increased in the twenty-first century. The…

Eg- glutamate, aspartate it devided aminoacid considering about the amino acid is heterocyclic,aromatic or aliphatic aromatic means it is phenyl or phenol ring eg-phenylanine(phenyl ring), tyrosine heterocyclic amino acid- aliphatic amino acid- deviding amino acid considering whether it is acidic,basic or neutral acidic it means if any amino acid having more than one group COOH.…

DNA ISOLATION INTRODUCTION: Deoxyribonucleic acid (DNA) isolation is an extraction process of DNA from various sources. Methods used to isolate DNA are dependent on the source, age, and size of the sample. Despite the wide variety of methods used, there are some similarities among them. In general, they aim to separate DNA present in the nucleus of the cell from other cellular components. Isolation of DNA is needed for genetic analysis, which is used for scientific, medical, or forensic purposes…

An unknown sample #18 was obtained on November 6, 2017. The sample came in a glass test tube with a cotton swab that contain the unknown sample. To find the identity of the unknown sample, we had to conduct several biochemical tests to eliminate and narrow down possible organisms that fit the biochemical description to accurately identify our unknown organism of interest. These biochemical tests provided insight on the physical color retention of our unknown sample, and through’s the unknown…

Repellent-Treated Clothing Permethrin is the agent of choice for these products. This is a man-made synthetic pyrethroid, a class of insecticides derived from Chrysanthemum cinerariifolium. Arthropod toxicity is exerted by sodium channel antagonism with, interestingly, strength of effect inversely correlated with temperature. Cold-blooded animals, in general, and fish, in particular, are unusually sensitive to these effects, while humans exposure is generally considered safe. Exposed mosquitoes…

Chemically, polyester (or many esters) is primarily a family of polymers wherein the monomers belong to the category “esters”. The most commonly used polyester is the polymer of diglycol terephthalate and is called polyethylene terephthalate (PET). Nylon is a group of polymers, which can be classified as polyamides. Today several types of nylon are produced with properties tuned to meet customer specifications. The most commonly used ones are nylon-6 (which is manufactured from caprolactam) and…

This history of vaccinations started with the smallpox epidemic. After many attempts, a man name Edward Jenner made a vaccination that supposedly eradicated smallpox. Ever since that discovery, different vaccinations have been made for a wide variety of diseases. Immunizations, also known as vaccinations, work by injecting a minute dose of weakened bacteria or virus into the bloodstream in order to create immunity. Then, if a person is later infected by the same bacteria he or she should be…

What are vaccines? Vaccines are medications that are designed to stimulate the body's immune system and to generate a response that will protect the individual from disease caused by the pathogen(11) When you get a vaccine, you get a small amount of a dead form of the organism which causes the antigens and antibodies to react and so this allows the immune system to get stronger. It is not the actual amount needed for a vaccine but the immune system still has the ability to produce certain…

The Four Hills Landfill in Nashua, N.H. has been in operation since 1971. It is a large facility encompassing some 300 acres in the southwest portion of the city. The landfill has been capped extensively and is nearing the end of its planned usage. Today several operations stills exist at the landfill including a gas to energy facility, recycling facilities and residential and commercial waste disposal. The site will reach capacity around 2030 when it will be capped permanently. The city is…

polluted. 70 percent in industrial regions in Czech were heavily polluted that a third of the rivers had no fish living. Latvia’s port town of Ventspils had heavy oil formed 3ft thick on the river bottom, Venta River with 800 percent exceed the official phenol…