Belousov-Zhabotinsky liquid marbles in robot control

Tsompanas, Michail‐Antisthenis; Fullarton, Claire; Adamatzky, Andrew

doi:10.1016/j.snb.2019.04.152

Cited by 8 publications

(3 citation statements)

References 45 publications

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“…It is also feasible to control the wave transfer by modifying the BZ liquid marbles system. These results make provisions for the further development of BZ liquid marbles in robot control [79] and photosensors [80].…”

Section: Other Applicationsmentioning

confidence: 78%

Liquid Marbles as Miniature Reactors for Chemical and Biological Applications

et al. 2020

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The need for miniaturised reaction systems has led to the development of various microreactor platforms, such as droplet-based microreactors. However, these microreactors possess inherent drawbacks, such as rapid evaporation and difficult handling, that limit their use in practical applications. Liquid marbles are droplets covered with hydrophobic particles and are a potential platform that can overcome the weaknesses of bare droplets. The coating particles completely isolate the interior liquids from the surrounding environment, thus conveniently encapsulating the reactions. Great efforts have been made over the past decade to demonstrate the feasibility of liquid marble-based microreactors for chemical and biological applications. This review systemically summarises state-of-the-art implementations of liquid marbles as microreactors. This paper also discusses the various aspects of liquid marble-based microreactors, such as the formation, manipulation, and future perspectives.

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Section: Other Applicationsmentioning

confidence: 78%

Liquid Marbles as Miniature Reactors for Chemical and Biological Applications

et al. 2020

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“…Other classic computational architectures which utilize the true nature of physical phenomena include reaction-diffusion 13 and neuromorphic computers 14 . These architectures and their algorithms have been designed to solve a specific set of abstract mathematical problems 15 – 18 . The challenge is to develop new platforms that can take advantage of chemical substrates but can be easily programmable.…”

Section: Introductionmentioning

confidence: 99%

A programmable hybrid digital chemical information processor based on the Belousov-Zhabotinsky reaction

Sharma,

Ng,

Parrilla Gutierrez

et al. 2024

Nat Commun

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The exponential growth of the power of modern digital computers is based upon the miniaturization of vast nanoscale arrays of electronic switches, but this will be eventually constrained by fabrication limits and power dissipation. Chemical processes have the potential to scale beyond these limits by performing computations through chemical reactions, yet the lack of well-defined programmability limits their scalability and performance. Here, we present a hybrid digitally programmable chemical array as a probabilistic computational machine that uses chemical oscillators using Belousov-Zhabotinsky reaction partitioned in interconnected cells as a computational substrate. This hybrid architecture performs efficient computation by distributing information between chemical and digital domains together with inbuilt error correction logic. The efficiency is gained by combining digital logic with probabilistic chemical logic based on nearest neighbour interactions and hysteresis effects. We demonstrated the computational capabilities of our hybrid processor by implementing one- and two-dimensional Chemical Cellular Automata demonstrating emergent dynamics of life-like entities called Chemits. Additionally, we demonstrate hybrid probabilistic logic as a viable logic for solving combinatorial optimization problems.

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“…Since then, a large variety of unconventional computing devices have been implemented using this BZ medium. These include diodes [31], logical gates [43], robot controllers [1,49], counters [25], neuromorphic architectures [26,20,27,45] and arithmetical circuits [46,44]. Methods for optical, geometrical or chemical control of oscillation frequency have been employed to prototype logical gates [24], modulators [42], filters [22], memory [21], fuzzy logic [20] and oscillatory associated memory [10].…”

Section: Introductionmentioning

confidence: 99%

Liquid Marble Photosensor

et al. 2019

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A liquid marble is a liquid droplet coated by a hydrophobic power. The liquid marble does not wet adjacent surfaces and therefore can be manipulated as a dry soft body. A Belousov-Zhabotinsky (BZ) reaction is an oscillatory chemical reaction exhibiting waves of oxidation. We demonstrate how to make a photo-sensor from BZ medium liquid marbles. We insert electrodes into a liquid marble, prepared from BZ solution and coated with polyethylene powder. The electrodes record a potential difference which oscillates due to oxidation wave-fronts crossing the electrodes. When the BZ marble is illuminated by a light source, the oxidation wave-fronts are hindered and, thus, the electrical potential recorded ceases to oscillate. We characterise several types of responses of BZ marble photosensors to various stimuli, and provide explanations of the recorded activity. BZ liquid marble photosensors may find applications in the fields of liquid electronics, soft robotics and unconventional computing.

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Belousov-Zhabotinsky liquid marbles in robot control

Cited by 8 publications

References 45 publications

Liquid Marbles as Miniature Reactors for Chemical and Biological Applications

Liquid Marbles as Miniature Reactors for Chemical and Biological Applications

A programmable hybrid digital chemical information processor based on the Belousov-Zhabotinsky reaction

Liquid Marble Photosensor

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