Resettable and enzyme-free molecular logic devices for the intelligent amplification detection of multiple miRNAs via catalyzed hairpin assembly

Nanoscale ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 5048-5057 ◽  
Author(s):  
Siqi Zhang ◽  
Kai-Bin Li ◽  
Wei Shi ◽  
Jie Zhang ◽  
De-Man Han ◽  
...  

In this work, we developed a magnetic bead/DNA system to construct a library of logic gates, enabling the sensing of multiplex target miRNAs. The CHA-based multiplex detection system can distinguish individual target miRNAs under a logic function control.

Author(s):  
Wenfei Zhang ◽  
Guang-Ping Zhang ◽  
Zong-Liang Li ◽  
Xiaoxiao Fu ◽  
Chuankui Wang ◽  
...  

The spin-resolved transport properties of molecular logic devices composed of two Mn porphyrin molecules connected to each other via a six-carbon atomic chain were studied using the non-equilibrium Green’s function...


2019 ◽  
Author(s):  
Sarah Guiziou ◽  
Guillaume Perution-Kihli ◽  
Federico Ulliana ◽  
Michel Leclere ◽  
Jerome Bonnet

Logic circuits operating in living cells are generally built by mimicking electronic layouts, and scale-up is accomplished using additional layers of elementary logic gates like NOT and NOR gates. Recombinase-based logic, in which logic is implemented using DNA inversion or excision, allows for highly efficient, compact and single-layer design architectures. However, recombinase logic architectures depart from electronic design principles, and gate design performed empirically is challenging for an increasing number of inputs. Here we used a combinatorial approach to explore the design space of recombinase logic devices. We generated combinations and permutations of recombination sites, genes, and regulatory elements, for a total of ~19 million designs supporting the implementation of all 2- and 3-input logic functions and up to 92% of 4-input logic functions. We estimated the influence of different design constraints on the number of executable functions, and found that the use of DNA inversion and transcriptional terminators were key factors to implement the vast majority of logic functions. We provide a user-friendly interface, called RECOMBINATOR (http://recombinator.lirmm.fr/index.php), that enable users to navigate the design space of recombinase-based logic, find architectures implementing a specific logic function and sort them according to various biological criteria. Finally, we define a set of 16 architectures from which all 256 3-input logic functions can be derived. This work provides a theoretical foundation for the systematic exploration and design of single-layer recombinase logic devices.


2014 ◽  
Vol 6 (22) ◽  
pp. 9015-9021 ◽  
Author(s):  
Yan Liang ◽  
Weizhou Liu ◽  
Hui Zhang ◽  
Fang Chen

Schematic diagram describing the working process of molecular logic gates (a) “NOR”, (b) “OR”, and (c) “INHIBIT”, and (d) the possible binding modes between PA and Fe3+.


Author(s):  
Amilra Prasanna de Silva ◽  
Matthew West ◽  
Chao-Yi Yao ◽  
Gavin Melaugh ◽  
Kyoko Kawamoto ◽  
...  

2017 ◽  
Vol 29 (8) ◽  
pp. 561-574 ◽  
Author(s):  
Srikala Pangannaya ◽  
Arshiya Kaur ◽  
Makesh Mohan ◽  
Keyur Raval ◽  
Dillip Kumar Chand ◽  
...  

2012 ◽  
Vol 7 (5-6) ◽  
pp. 280-287 ◽  
Author(s):  
M. F. Budyka ◽  
N. I. Potashova ◽  
T. N. Gavrishova ◽  
V. M. Li

2021 ◽  
Author(s):  
Bei Li ◽  
Dongsheng Zhao ◽  
Feng Wang ◽  
Xiaoxian Zhang ◽  
Wenqian Li ◽  
...  

This review covers the latest advancements of molecular logic gates based on LMOF. The classification, design strategies, related sensing mechanisms, future developments, and challenges of LMOFs-based logic gates are discussed.


2010 ◽  
Vol 145 (2) ◽  
pp. 826-831 ◽  
Author(s):  
Shichao Wang ◽  
Guangwen Men ◽  
Liyan Zhao ◽  
Qiufei Hou ◽  
Shimei Jiang

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