Molecules with a sense of logic: a progress report

Andréasson, Joakim; Pischel, Uwe

doi:10.1039/c4cs00342j

Cited by 384 publications

(248 citation statements)

References 50 publications

(69 reference statements)

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“…1 Because of the sharp difference in physical properties 2 such as optical, 3 electrochemical 4 and geometrical features 5 between the two isomers, photochromic compounds can be used to construct a variety of photoswitchable functional materials including fluorescence probes, 6 molecular logic gates, 7 optical data-storage devices 8 and photoresponsive assemblies. 9 Of the photochromic compounds reported, diarylethenes are viewed as one of the most promising candidates for photo-electronic applications due to their outstanding fatigue-resistance, 10 thermal stability 11 and rapid response towards light.…”

mentioning

confidence: 99%

Photochromism and molecular logic gate operation of a water-compatible bis-glycosyl diarylethene

Chai

James

et al. 2017

Chem. Commun.

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mentioning

confidence: 99%

Photochromism and molecular logic gate operation of a water-compatible bis-glycosyl diarylethene

Chai

James

et al. 2017

Chem. Commun.

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“…The OR gate requires a set of nonselective receptors gives a positive optical response upon cation binding. The less selective the receptor, the operationally better OR action [22]. Both cations caused similar conformational changes in the receptor unit.…”

Section: +mentioning

confidence: 90%

Theoretical Investigation of Linker Effects on New Designed Bodipy-Ferrocene Based Three Channels Calcium (II) Ion Sensors; as Redox, Colorimetric and Fluorescent Properties

2015

J Chem Appl

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In this work, the structural, spectroscopic and electronic properties of proposed model complexes of 4,4-Difluoro-4-borata-3a-azonia4a-ana-s-indacene(BODIPY)-Ferrocene based Calcium ion sensors were investigated by means of DFT calculations. Geometric, and electronic effects of 4 different chemical linkers, azin(1), azadiene(2), urea(3) and thiazole(4), were predicted on the development of these fluorescent sensors computationally at B3LYP/LANL2DZ level. Designed sensors are expected to work in living systems, so all the calculations were carried out in water phase. In addition, frontier molecular orbital properties, electronic spectra and electrochemical properties were also computed. According to the computational thermodynamic results, sensors which contain urea and thiazole as the linker group, make the most stable complexes with Ca(II) ion. In general, it was found that calcium complexation of sensors leads to lower absorption energy bands, causes a decrease in HOMO-LUMO gap with respect to the linker type, a bathochromic shift in the lowest energy absorbance wavelengths, and an anodic shift of redox potential. Overall result of complexation is an increase in the absorption λ max value, while solvent effect causes a blue shift in absorption bands. Maximum emission redshift is observed in urea bridged sensors, followed by thiazole. This sequence was also spotted in the acidic environment. Molecular logic gates are also formed for normally protonated sensors and their metal complexes. Each type of designed sensors is corresponded to a certain type of logic gates.

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“…18,42 Thus, it is also essential to construct multiplexers and de-multiplexers. 43,44 To demonstrate the applicability of the platform, a conceptual 1-to-2 demultiplexer was fabricated based on the same BPE platform. 1-to-2 demultiplexer can transmit one input signal to two output channels under the control of a selector.…”

Section: Operation Of a 1-to-2 Demultiplexermentioning

confidence: 99%

Dual-electrochromic bipolar electrode-based universal platform for the construction of various visual advanced logic devices

et al. 2017

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A universal logic platform based on dual-electrochromic bipolar electrodes (BPEs) for the operation of various visual advanced logic devices was designed and constructed for the first time. Two BPEs separated by three reaction channels filled with different reaction solutions constituted the closed BPE system and were used as the initial state. Under different input combinations, the electrochemical oxidation of 2, 2′ -azinobis (3-ethylbenzthiazoline-6-sulfonic acid) and the electrodeposition of Prussian blue occurred at different poles simultaneously and triggered rapid color changes that could be easily visualized by the naked eye. By defining the color changes at the two specific poles as outputs, visual advanced logic devices, including an encoder, a decoder, a demultiplexer, a keypad lock and a three-input concatenated logic circuit with two outputs, were successfully constructed.

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Molecules with a sense of logic: a progress report

Cited by 384 publications

References 50 publications

Photochromism and molecular logic gate operation of a water-compatible bis-glycosyl diarylethene

Photochromism and molecular logic gate operation of a water-compatible bis-glycosyl diarylethene

Theoretical Investigation of Linker Effects on New Designed Bodipy-Ferrocene Based Three Channels Calcium (II) Ion Sensors; as Redox, Colorimetric and Fluorescent Properties

Dual-electrochromic bipolar electrode-based universal platform for the construction of various visual advanced logic devices

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