A RET-supported logic gate combinatorial library to enable modeling and implementation of intelligent logic functions

Abstract

A logic gate combinatorial library, including basic logic gates, a single three-input NOR gate, and combinatorial gates to realize intelligent logic functions (keypad-lock, parity checker) is constructed.

Intelligent Molecular Searcher from Logic Computing Network Based on Eu(III) Functionalized UMOFs for Environmental Monitoring

“…It is noteworthy that the same input signals can carry out two or three logic operations according to different fluorescence wavelengths. A NOR logic operation produces an output of 1 only in the absence of any inputs . As demonstrated in Figure , the Eu(III)@UMOFs system only exhibit fluorescence emission at 530 nm (G530) in the absence of Hg 2+ , Ag + , and S 2− , but obvious fluorescence turn‐off response occurs for all the other input combinations, correlating well with the proper execution of NOR logic operation.…”

“…In this study, we have also constructed an IMP logic operation by defining R614 emission change as output. From the logic gate functions, the turn‐off of R614 (output = 0) is observed only in the presence of one particular input and under other circumstances, output “1” will be afforded . Eu(III)@UMOF alone (input = 0/0) has R614 emission (output = 1), but the addition of Ag + only (input = 0/1) triggers the fluorescence turn‐off response (output = 0).…”

“…Most of the reported fluorescent logic gates rely on various DNA molecules due to conformational polymorphism, molecular recognition capacity, and sequence‐controlled functional features . These features play great roles in the performance of logic gates, but they also show some intrinsic drawbacks: (1) the uncertain DNA amplification efficiency leads to low sensitivity and accuracy for the input signals; (2) the fluorescent signals of DNA‐based outputs are single and unstable, which provides more difficulty for assembly and integration of complex computational processes; and (3) gate miscommunication increases on DNA‐based logic circuits due to molecules diffuse freely in solution . In addition, the analytes in most reported DNA‐based molecular devices are discrete, in which the inputs do not exist in the same environment.…”

An Azo Dye Based D‐π‐A Chromogenic Probe for Selective Naked‐Eye Detection of Hg2+ Ion: Application in Logic Gate Operation

“…This clear on‐off‐on input/output optical response of the chemosensor L1 in presence and absence of Hg 2+ and F − mimics the IMPLICATION type logic gate at molecular level i. e . the Boolean function provides the output ‘1’ in all circumstances, except for the case where one particular input is ‘1’ (here Hg 2+ ) . The logic circuit diagram along with the truth table is represented in Figure .…”

A versatile DNA-supramolecule logic platform for multifunctional information processing

“…Reported DNAbased logic systems mostly contain two independent components: (1) oligonucleotides in charge of logical function and (2) extrinsic reporters responsible for monitoring the "state" of the logic devices. This strategy works very well in simple logic circuits, such as basic Boolean logic gates and some single-output units 9,15 . However, for advanced, multi-output logic circuits, selecting suitable reporters with distinguishable signals is still a challenge.…”