A Photoresponsive Red‐Hair‐Inspired Polydopamine‐Based Copolymer for Hybrid Photocapacitive Sensors

Ambrico, M.; Vecchia, Nicola F. Della; Ambrico, P F; Cardone, Antonio; Cicco, Stefania R.; Ligonzo, T.; Avolio, Roberto; Napolitano, Alessandra; d’Ischia, Marco

doi:10.1002/adfm.201401377

Cited by 32 publications

(39 citation statements)

References 52 publications

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“…As an example, multilayered polyelectrolyte films made from PDA particles and polyamines like poly‐(L‐lysine hydrobromide) (PLL) and pure PDA grains in suspension in the cell culture medium were found to affect melanoma cell growth in different manners (Eap et al., ). Copolymerization of dopamine with 5‐ S ‐cysteinyldopamine (CDA) is a useful means of controlling and modifying PDA structure to change electrical properties and impart photocapacitor‐like behavior (Ambrico et al., ). The analogy in the structure and properties of dopamine‐CDA copolymers with those of neuromelanin (Wakamatsu et al., ) and the photoresponsive behavior of CDA polymers akin to that of pheomelanins (Napolitano et al., ) reinforces the value of melanin biochemistry and biophysics as a source of inspiration for functional biomaterials (Della Vecchia et al., ).…”

Section: Applicationsmentioning

confidence: 99%

“…Synthetic eumelanins may feature chemical and morphological diversity which affects a number of key properties of relevance for bioelectronic applications (Ambrico et al., ), in particular electrical conduction (Meredith et al., ; Mostert et al., ,b). Several groups have published various device architectures with applications such as memory (metal–insulator–semiconductor geometries) (Ambrico et al., , ), batteries (Kim et al., ), and biomimetic interfaces (Ambrico et al., ; Wünsche et al., ). The device fabrication, and consequently the device performance, is affected by parameters such as melanin precursor and oxidizing system/conditions during eumelanin synthesis.…”

Section: Applicationsmentioning

confidence: 99%

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Melanins and melanogenesis: from pigment cells to human health and technological applications

d’Ischia

Wakamatsu

Cicoira

et al. 2015

Pigment Cell Melanoma Res

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398

427

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Section: Applicationsmentioning

confidence: 99%

Section: Applicationsmentioning

confidence: 99%

Melanins and melanogenesis: from pigment cells to human health and technological applications

d’Ischia

Wakamatsu

Cicoira

et al. 2015

Pigment Cell Melanoma Res

Self Cite

398

427

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“…However, based on the hydration dependence of those properties, more recent research shows that the melanin structure is best described as a hybrid ionic–electronic conductor in which both electrons and protons released by comproportionation are involved in electrical conduction ( Figure ) . Polydopamine exhibits the same hybrid ionic–electronic conductivity as natural eumelanins, which has already been exploited variously and provides great potential for use in bioelectronic devices that are capable of integration with living tissue …”

Section: Catecholamine Polymers: Chemistry and Structurementioning

confidence: 99%

“…For instance, dopamine modified with bromoisobutyryl bromide when applied with unmodified dopamine (1:1 molar ratio) creates a polydopamine macroinitiator coating suitable for subsequent surface initiation of radical polymerization . Dopamine has also been modified with l ‐cysteine to create 5‐S‐cysteinyldopamine, which has been polymerized on its own and with polydopamine to make synthetic pheomelanin . Another example of dopamine modification is its reaction with 1,3‐propane sultone, making a sulfonate variant that has been used to present a negatively charged coating surface to allow better dispersion of coated particles …”

Section: Catecholamine Polymers: Chemistry and Structurementioning

confidence: 99%

“…In the future, it seems likely that the hybrid ionic–electronic conductivity will give polycatecholamines great potential in bioelectronic devices that are capable of integration with living tissue. As biological systems operate by the flow of ions/protons and constructed electronics depend on electron transport, biocompatible control elements that are able deal with both ion and electron currents as well as ion‐to‐electron transduction are components that are key to bring such technology to reality …”

Section: Applications Of Catecholamine Polymersmentioning

confidence: 99%

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Versatile Surface Modification Using Polydopamine and Related Polycatecholamines: Chemistry, Structure, and Applications

Barclay

Hegab

Clarke

et al. 2017

Adv Materials Inter

300

223

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Almost ten years ago, Lee et al. [13] formulated a universal adhesive coating based on observation of the strong attachment by mussels through their byssal threads to virtually all types of inorganic and organic surfaces. The amino acid compositions of the mussel foot proteins that generate the attachment are rich in catechol and amine groups. [13][14][15] These groups associate under marine conditions, forming strong covalent and noncovalent interactions with substrates. [13] This led to the idea that both catechol and amine groups were crucial in forming robust, wide spectrum adhesive nanolayers [16,17] and consequently dopamine was conceived as a powerful building block for spontaneous deposition of thin polymer films. The dopamine monomer is deposited onto unadulterated surfaces through self-assembly and oxidative cross-linking from mild pH aqueous solution in a rapid reaction. This results in a durable, nanoscale, conformal, and hydrophilic coating that can be readily modified to introduce specific surface chemistries for a particular application. [18][19][20][21][22] These bioinspired, polydopamine materials are chemically and structurally indistinguishable from eumelanins found in the human body, [23,24] providing excellent biocompatibility. Additionally, polydopamine has broad electromagnetic absorption and excellent photothermal energy conversion [25] as well as having ionic-electronic hybrid conductivity. [26] Along with the excellent coating performance, these properties provide a vast array of potential applications for polydopamine materials.In this article, we explain what is known about polydopamine and related catecholamine coatings; their formation, the adhesion mechanism, and their physicochemical properties and we also review the applications of these materials (Figure 1). Since 2011, there have been a number of reviews on this subject matter, including general reviews on the physicochemical properties of polydopamine coatings [11,20,[27][28][29] and their applications. [20,27,30] There are also a number of more specific reviews on the chemical synthesis and modulation of polycatecholamine coatings, [31] the biomedical applications of these coatings, [8,[32][33][34] their electronic properties, [26,35] the use of polydopamine to make films at fluid interfaces, [36] in hierarchically constructed particles, [33] and capsules, [30] exploitation of polycatecholamine coatings in membrane filtration, [37] polydopamine-derived carbon materials, [38] and the use of coordination chemistry in catechol-based materials. [39] Nonetheless, this area of research is growing so rapidly [25,27] that many recent Polydopamine and related polycatecholamines can be easily deposited onto almost any surface from mild, aqueous solution. This results in durable, nanoscale coatings that exhibit high biocompatibility and have useful chemical and electronic properties. Additionally, these materials can be readily chemically and physically modified, and consequently, they are used extensively for surface modification. This ...

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Melanin Biopolymers: Tailoring Chemical Complexity for Materials Design

et al. 2020

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Melanins, a group of dark insoluble pigments found widespread in nature, have become the focus of growing interest in materials science for various biomedical and technological applications, including opto‐bioelectronics, nanomedicine and mussel‐inspired surface coating. Recent progress in the understanding of melanin optical, paramagnetic redox, and conductivity properties, including photoconductivity, would point to a revision of the traditional concept of structural disorder in terms of more sophisticated and interrelated levels of chemical complexity which however have never been defined and codified. Herein, we bring to focus the various levels of structural disorder that emerged from spectral and chemical signatures over the past decade. A revised approach to structure–property relationships in terms of intermolecular interactions is also provided that may pave the way towards the rational design of next‐generation melanin‐based functional materials.

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A Photoresponsive Red‐Hair‐Inspired Polydopamine‐Based Copolymer for Hybrid Photocapacitive Sensors

Cited by 32 publications

References 52 publications

Melanins and melanogenesis: from pigment cells to human health and technological applications

Melanins and melanogenesis: from pigment cells to human health and technological applications

Versatile Surface Modification Using Polydopamine and Related Polycatecholamines: Chemistry, Structure, and Applications

Melanin Biopolymers: Tailoring Chemical Complexity for Materials Design

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