2022/05/08، 06:55 PM
Think of viruses as tireless, meticulous sanitation workers that stop bacteria from consuming the planet. Think of each individual phage (and there are trillions of them in the world) as a discriminating assassin that is evolutionarily tuned to kill only one specific bacteria. This targeted attack and annihilation of lethal, multidrug-resistant bacteria (that in no way harms the sick patient) is the crux of the potential hope for phage therapy as a do-or-die treatment. For phage treatment to work, the doctor must determine which species of bacteria is causing the infectious disease. And no two patients are alike. Individual samples have to be tested against a variety of phages to determine which strain of phage will work. Once a specific phage shows an aptitude for killing a patient's specific bacterial strain, scientists must then mass-produce the phage, purify it and confirm the phage cocktail to be safe. Very few doctors have actually used phage therapy even experimentally, and the general public has never heard of it. However, algae do not have stems or roots. Algae are also the scourge of aquarium keepers far and wide, who wage a never-ending battle to minimize its spread throughout their tanks. In addition to ponds, lakes, pools and fish tanks, algae also grow in soil, snow and even clouds. While they may be a gross annoyance to some, algae serve a number of important environmental functions. According to the Encyclopedia of Biological Invasions, algae produce more than 70 percent of the world's oxygen and consume large swaths of carbon dioxide. Perhaps more important for a planet's population who are increasingly relying oil, algae can also be used to make a number of biofuels, including ethanol and biodiesel. Methods vary, but according to Esquire magazine, to make biodiesel from algae, an energy producer often begins by selecting the strain of algae it wants to use since some are more productive or efficient than others. farc
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