Universidade Tiradentes, Institute of Technology and Research, Aracaju-Sergipe, Brazil.
Recent Pat Biotechnol. 2022;16(1):6-15. doi: 10.2174/1872208315666211026104828.
With the utilisation of algae, wastewater reuse is becoming a viable option for the energy industry, especially green energy. The growth of these algae in these wastewaters provides an alternative source for bioenergetics, however, the growth of other microorganisms can directly affect the production of bioenergy, requiring the removal and reduction of contaminants in these waters, in addition to being a source of contamination for workers. Therefore, the use of nanoparticles in bioremediation has been an alternative to mitigate the contamination of these wastewaters that have microorganisms capable of reducing the algae growth capacity. The objective of this work was to verify in the United States Patent and Trademarker office database (USPTO) patents that used chitosan nanoparticles as a form of wastewater treatment and to carry out the analysis of patent US20190134086, which addresses the use of zinc oxide nanoparticles associated with chitosan that was developed and used to evaluate their antibacterial activity against resistant microorganisms and biofilm producers present in wastewater. Escherichia coli, Enterococcus faecium, and/or Pseudomonas aeruginosa are the microorganisms involved in the evaluated invention, bacteria present in the gastrointestinal tract, of clinical and environmental importance. The synthesized nanoparticles are arranged as a pharmaceutically acceptable and toxic vehicle against resistant bacteria, thus being described as nanoremediators. Given the analyzed patent, it was possible to verify the importance of alternatives to reduce the impact that pollution, in general, has on the environment, in addition to the proposed technology serving to maintain the survival and development capacity of the algae that will be able to produce green energy, the nanoparticles with antibacterial potential can help indirectly reduce these pathogenic strains with resistance to several antibiotics in the environment.
利用藻类，废水再利用正成为能源行业（尤其是绿色能源）的可行选择。这些废水中的藻类生长为生物能源提供了另一种来源，然而，其他微生物的生长会直接影响生物能源的生产，因此需要去除和减少这些水中的污染物，此外，这些水还会对工人造成污染。因此，纳米颗粒在生物修复中的应用一直是减轻这些含有能够降低藻类生长能力的微生物的废水污染的一种替代方法。本工作的目的是在美国专利商标局（USPTO）专利数据库中验证使用壳聚糖纳米颗粒作为废水处理形式的专利，并对专利 US20190134086 进行分析，该专利涉及使用与壳聚糖结合的氧化锌纳米颗粒，该纳米颗粒是开发并用于评估其对废水存在的抗微生物和生物膜产生菌的抗菌活性的。大肠杆菌、屎肠球菌和/或铜绿假单胞菌是评估发明所涉及的微生物，这些细菌存在于胃肠道中，具有临床和环境重要性。合成的纳米颗粒被排列为一种对耐药菌具有药用和毒性的载体，因此被描述为纳米修复剂。考虑到所分析的专利，可以验证减少污染对环境的影响的替代方法的重要性，此外，所提出的技术有助于维持将能够产生绿色能源的藻类的生存和发展能力，具有抗菌潜力的纳米颗粒可以间接地帮助减少环境中对多种抗生素具有耐药性的这些病原菌菌株。
