Broad-spectrum antibiotic their greater potential to disrupt a larger variety of normal human flora. After continued exposure to an antibiotic, bacteria may develop changes in their structure or function that make them resistant to the antibiotic. These resistant organisms will live, while the susceptible organisms will die, leaving the population of bacteria entirely resistant to a given antibiotics. For example, after the discovery of penicillin and its subsequent use to treat bacterial infections, bacteria were found to have begun producing an enzyme, penicillinase, which rendered the penicillin molecule inactive. In response to this newly-acquired resistance, newer penicillins were produced that could not
Antibiotic properties of nanoparticles enhanced or induced with the addition of organic drugs. Gold particles, while not inherently antimicrobial, were discovered to express antimicrobial properties when functionalized with ampicillin. In addition to this, gold nanoparticles demonstrated improved membrane permeability with the addition of 4,6-diamino-2-pyrimidenthiol (DAPT) and non-antiobiotic amines (NAA) to their surfaces. Antibiotic properties of nanoparticles Nanoparticles have been studied extensively for their antimicrobial properties in order to fight super bug bacteria. Several characteristics in particular make nanoparticles strong candidates as a traditional antibiotic drug alternative. Firstly, they have a high surface area to volume ratio, which increases contact area with target organisms. Secondly,