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Engineering DNA logic systems with non-canonical DNA-nanostructures:basic principles,recent developments and bio-applications

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Science China Chemistry 2022年第2期65卷 284-297页

作者： Daoqing Fan Jun Wang Jiawen Han Erkang Wang Shaojun Dong State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China Key Laboratory of Marine Drugs Ministry of EducationSchool of Medicine and PharmacyOcean University of China Laboratory for Marine Drugs and Bioproducts Pilot National Laboratory for Marine Science and TechnologyQ

Engineering DNA logic systems is considered as one of the most promising strategies for next-generation molecular computers.Owing to the inherent features of DNA,such as low cost,easy synthesis,and controllable hybridization,various DNA logic devices with different functions have been developed in the recent decade.Besides,a variety of logic-programmed biological applications are also explored,which initiates a new chapter for DNA logic computing.Although this field has gained rapid developments,a systematical review that could not only elaborate the logic principles of diverse DNA logic devices but also outline recent representative works is urgently needed.In this review,we first elaborate the general classification and logical principle of diverse DNA logic devices,in which the operating strategy of these devices and representative examples are selectively presented.Then,we review state-of-the-art advancements in DNA computing based on different non-canonical DNA-nanostructures during the past decade,in which some classical works are summarized.After that,the innovative applications of DNA computing to logic-controlled bioanalysis,cell imaging,and drug load/delivery are selectively presented.Finally,we analyze current obstacles and suggest appropriate prospects for this area.

关键词： DNA logic systems molecular logic non-canonical DNA-nanostructures arithmetic/non-arithmetic functions logical bio-applications

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Information gathering and processing with fluorescent molecules

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Frontiers of Chemical Science and Engineering 2014年第2期8卷 240-251页

作者： Brian DALY Jue LING A. Prasanna de SILVA School of Chemistry and Chemical Engineering Queen's University Belfast BT9 5AG Northern Ireland

molecular information gathering and proces- sing -- a young field of applied chemistry -- is undergoing good growth. The progress is occurring both in terms of conceptual development and in terms of the strengthening of older concepts with new examples. This review critically surveys these two broad avenues. We consider some cases where molecules emulate one of the building blocks of electronic logic gates. We then examine molecular emulation of various Boolean logic gates carrying one, two or three inputs. Some single-input gates are popular information gathering devices. Special systems, such as ＇lab-on-a-molecule＇ and molecular key- pad locks, also receive attention. A situation deviating from the Boolean blueprint is also discussed. Some pointers are offered for maintaining the upward curve of the field.

关键词： molecular logic molecular computation,molecular sensor fluorescent molecular device fluorescentsensor

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