用于预防SARS-CoV-2病毒传播的基于石墨烯的光学传感器
Graphene-based optical sensors for the pre-vention of SARS-CoV-2 viral dissemination
摘要:
在疫情爆发的几个月里,我们对COVID-19的科学认识达到了什么水平?目前的技术是否能够跟上病毒学研究的进展?从历史上看,由病原微生物引起的疾病爆发造成的死亡人数比战争造成的死亡人数要多得多,而病毒基因显示出的快速变化和适应能力迫使人们进行新的研究。早期检测对于及时管理任何生物攻击,无论是自然的还是故意的,都是至关重要的,而快速检测系统对于应对病毒性疾病的影响至关重要。光学传感器在这一领域有几个优势,如简单和无标记的协议。在这封信中,层材料的作用,如石墨烯,是。石墨烯对于等离子体激元和拉曼散射具有独特和优异的光学性质。最后,提出了一种通过等离子体-分子轨道相互作用在石墨烯传感器上检测Covid-19的方法,该相互作用提供了病毒S蛋白的独特特征。
英文摘要:
What level of scientific knowledge has been gained against COVID-19 during the months of the pandemic? Are current technologies able to keep up with the advances in virology research? Historically, disease outbreaks due to pathogenic microorganisms have killed many more people than wars have, and the ability that viral genes have displayed to rapidly change and adapt has forced new studies. Early detection is most important for timely management of any biological attack, whether natural or intentional, and rapid detection systems are essential to counter the effects of viral disease. Optical sensors have several advantages in this field, such as simple and label-free protocols. In this letter, the role of layer materials, such as graphene, is presented. Graphene has unique and excellent optical properties for plasmonics and Raman scattering. Finally, a method of Covid-19 detection on graphene sensors is proposed via a plasmon-molecular orbital interaction that provides a unique signature of the S-protein of the virus.
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