Anisotropic Compartmentalization of the Liquid–Liquid Interface using Dynamic Imine Chemistry

Agashe, Chinmayee; Varshney, Rohit; Sangwan, Rekha; Gill, Arshdeep Kaur; Alam, M. M. Mahbub; Patra, Debabrata

doi:10.1021/acs.langmuir.2c00725

Cited by 9 publications

(6 citation statements)

References 35 publications

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“…In such models, permeability controls through cell-mimic membranes are attractive research targets. Patra and co-workers used dynamic imine chemistry at the oil–water interface to control mass permeability ( Figure 7 ) [ 381 ]. The effect of dynamic covalent bonding was controlled through modulation of the droplet shape at the dynamic interface.…”

Section: Materials Production: Dynamic Materials-level Formation Proc...mentioning

confidence: 99%

“… Dynamic covalent bonding controlled through modulating the droplet shape at the dynamic interface, where anisotropic compartmentalization of the liquid–liquid interface thus occurs, and the pH dependence of the Schiff base reaction leads to reversible toggling from jamming to unjamming in the interfacial assembly. Reprinted with permission from [ 381 ]. Copyright 2022, American Chemical Society.…”

Section: Figurementioning

confidence: 99%

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Materials Nanoarchitectonics at Dynamic Interfaces: Structure Formation and Functional Manipulation

Ariga

2024

Materials

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The next step in nanotechnology is to establish a methodology to assemble new functional materials based on the knowledge of nanotechnology. This task is undertaken by nanoarchitectonics. In nanoarchitectonics, we architect functional material systems from nanounits such as atoms, molecules, and nanomaterials. In terms of the hierarchy of the structure and the harmonization of the function, the material created by nanoarchitectonics has similar characteristics to the organization of the functional structure in biosystems. Looking at actual biofunctional systems, dynamic properties and interfacial environments are key. In other words, nanoarchitectonics at dynamic interfaces is important for the production of bio-like highly functional materials systems. In this review paper, nanoarchitectonics at dynamic interfaces will be discussed, looking at recent typical examples. In particular, the basic topics of “molecular manipulation, arrangement, and assembly” and “material production” will be discussed in the first two sections. Then, in the following section, “fullerene assembly: from zero-dimensional unit to advanced materials”, we will discuss how various functional structures can be created from the very basic nanounit, the fullerene. The above examples demonstrate the versatile possibilities of architectonics at dynamic interfaces. In the last section, these tendencies will be summarized, and future directions will be discussed.

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Section: Materials Production: Dynamic Materials-level Formation Proc...mentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

Materials Nanoarchitectonics at Dynamic Interfaces: Structure Formation and Functional Manipulation

Ariga

2024

Materials

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“…[ 85 ] Aside from systems with noncovalent bonding discussed in this review, dynamic covalent chemistry can be also used for the development of stimuli‐responsive assemblies at the liquid–liquid interface, such as the reversible imine bond formed between oil‐soluble aromatic aldehydes and water‐soluble polyethylenimine. [ 86 ] Lastly, 4D printing is also a possibility with associative LL3DP platforms where a change in macroscopic behavior can be observed after the printing is done. In the work of Villar et al., by creating an osmolarity gradient across two layers of droplets, a macroscopic droplet network in the shape of a flower with lipid bilayers at the interface was programmed to deform and fold into a sphere spontaneously after the printing (Figure 8C).…”

Section: Practical Properties and Features In Associative Ll3dp Systemsmentioning

confidence: 99%

Associative Liquid‐In‐Liquid 3D Printing Techniques for Freeform Fabrication of Soft Matter

Honaryar

Amirfattahi

Niroobakhsh

2023

Small

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processing, and enable numerous inks to be utilized within the same printed construct. However, most soft materials are not widely applicable to such traditional ink-based 3D printing techniques, specifically when necessary physicochemical properties such as certain rheological behavior and crosslinking mechanisms are lacking. Complementary to the ink-based printing approaches described above, the light-based 3D printing modalities, also known as vat polymerization-based 3D printing, are the other technology in place for soft materials in which a photocurable liquid resin stored in a vat (tank) is treated layer-by-layer with either visible or UV light. [7] Typical light-based 3D printing techniques for soft matter include stereolithography, digital light processing, continuous liquid interface production, and two-photon polymerization. [1,7] Despite the superior printing resolution, accuracy, speed, and the freedom to print very complex and delicate parts, the light-based printing techniques suffer from several drawbacks including a limited selection of processable photocurable resins and challenges in realizing multimaterial 3D printing in a single build process. Furthermore, using ink-or light-based printing modalities, it is challenging, if not impossible, to shape soft matters into freeform complex 3D designs, in which the printing can be performed in an omnidirectional manner (not limited to layer-by-layer patterning). Freeform 3D printing removes restrictions on structural complexity, allowing overhanging parts, internal void spaces, and disconnected features to be created. Thus, to overcome the inherent difficulties associated with printing soft matter discussed above and to enable freeform fabrication from an ever-broadening palette of soft materials, liquid-in-liquid 3D printing (LL3DP) approach has emerged as a new class of 3D printing techniques. [8][9][10][11]15,16,22] The LL3DP approaches fall under the category of ink-based 3D printing (Figure 1) since the printing materials (that make up the final part) are printed in the form of an ink as opposed to light-based (vat polymerization-based) 3D printing in which the printing materials are contained in a vat and cured selectively. In LL3DP techniques, while the translation stage moves according to a 3D design, the ink phase is extruded into a meticulously selected second bath phase. [8][9][10][11] The extrusion of the ink within the bath phase prevents the print collapse and ensures the shape fidelity, structural integrity, and necessary feature resolution of the final constructs. [8][9][10][11] By adopting such printing approaches, freeform fabrication Shaping soft materials into prescribed 3D complex designs has been challenging yet feasible using various 3D printing technologies. For a broader range of soft matters to be printable, liquid-in-liquid 3D printing techniques have emerged in which an ink phase is printed into 3D constructs within a bath. Most of the attention in this field has been focused on using a support bath with favorable rheology ...

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“…Dynamic interfacial tension (IFT) measurements have been employed to understand the kinetics of adsorption processes at the liquid–liquid interface. − Shi and co-workers used pendant drop tensiometry to investigate the kinetics of the supramolecular polymerization at the liquid–liquid interface . We envisaged that the dynamic IFT profile obtained by tensiometry would unravel the mechanistic insights into interfacial cage-to-COF transformation.…”

Section: Introductionmentioning

confidence: 99%

Unraveling Early-Stage Dynamics of Cage-to-Covalent Organic Framework Transformation at Liquid–Liquid Interface

Shreeraj,

Tiwari,

Dugyala

et al. 2024

Langmuir

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Postsynthetic linker exchange (PLE) has emerged as an emerging synthetic strategy for constructing high-quality covalent organic frameworks (COFs) from preassembled entities such as linear polymers, amorphous networks, COFs, and porous organic cages by using the principles of dynamic covalent chemistry. The PLE strategy has recently been extended at the liquid−liquid interface to fabricate highly crystalline two-dimensional (2D)-COF membranes at a faster time scale (24 h). Examining the early stages of the interfacial PLE dynamics becomes essential to understanding the expedited COF growth process. In this regard, pendant drop tensiometry has been employed to probe the initial reaction dynamics of the imine cageto-COF transformation through dynamic interfacial tension (IFT) measurements. The contrasting trends in IFT profiles between PLE-mediated (from cage) and direct COF synthesis (from parent monomers) are in qualitative agreement with the kinetics of bulkscale interfacial polymerizations. Further, the distinct early-stage interfacial behaviors between the diverse synthetic routes have been experimentally demonstrated using tensiometry, optical microscopy, electron microscopy, and powder X-ray diffraction (PXRD) analysis. The pivotal role of in situ generated imine intermediates (ImIs) and the phenomenon of spontaneous emulsification toward accelerated interfacial COF growth process was delineated. The current study on deploying the pendant drop tensiometric technique to examine early-stage interfacial polymerization dynamics opens up a gripping avenue for mechanistic exploration in PLE-based COF synthesis. The generality of the developed methodology to study the initial COF growth kinetics was extended to a new interfacial PLE-mediated cage-to-COF transformation.

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Anisotropic Compartmentalization of the Liquid–Liquid Interface using Dynamic Imine Chemistry

Cited by 9 publications

References 35 publications

Materials Nanoarchitectonics at Dynamic Interfaces: Structure Formation and Functional Manipulation

Materials Nanoarchitectonics at Dynamic Interfaces: Structure Formation and Functional Manipulation

Associative Liquid‐In‐Liquid 3D Printing Techniques for Freeform Fabrication of Soft Matter

Unraveling Early-Stage Dynamics of Cage-to-Covalent Organic Framework Transformation at Liquid–Liquid Interface

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