Carbon, Journal Year: 2023, Volume and Issue: 208, P. 43 - 49
Published: March 22, 2023
Language: Английский
Advanced Engineering Materials, Journal Year: 2023, Volume and Issue: 25(21)
Published: Aug. 29, 2023
Stimuli‐responsive polymers (SRPs) are special types of soft materials, which have been extensively used for developing flexible actuators, robots, wearable devices, sensors, self‐expanding structures, and biomedical thanks to their ability change shapes functional properties in response external stimuli including light, humidity, heat, pH, electric field, solvent, magnetic field or combinations two more these stimuli. In recent years, additive manufacturing (AM) aka 3D printing technology SRPs, also known as 4D printing, has gained phenomenal attention different engineering fields, its unique develop complex, personalized, innovative undergo twisting, elongating, swelling, rolling, shrinking, bending, spiraling, other complex morphological transformations. Herein, an effort made provide insightful information about the AM techniques, type applications including, but not limited tissue engineering, bionics, construction, smart textiles. This article incorporates current challenges prospects, hoping basis utilization this fields. It is expected that amalgamation with SRPs would unparalleled advantages arenas.
Language: Английский
Citations
84
Science, Journal Year: 2023, Volume and Issue: 381(6665), P. 1468 - 1474
Published: Sept. 28, 2023
3D printing of inorganic materials with nanoscale resolution offers a different processing pathway to explore devices emergent functionalities. However, existing technologies typically involve photocurable resins that reduce material purity and degrade properties. We develop general strategy for laser direct nanomaterials, as exemplified by more than 10 semiconductors, metal oxides, metals, their mixtures. Colloidal nanocrystals are used building blocks photochemically bonded through native ligands. Without resins, this bonding process produces arbitrary three-dimensional (3D) structures large mass fraction (~90%) high mechanical strength. The printed preserve the intrinsic properties constituent create structure-dictated functionalities, such broadband chiroptical responses an anisotropic factor ~0.24 semiconducting cadmium chalcogenide nanohelical arrays.
Language: Английский
Citations
83
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(15)
Published: Jan. 15, 2024
The implementation of low-cost and rapid technologies for the on-site detection mycotoxin-contaminated crops is a promising solution to address growing concerns agri-food industry. Recently, there have been significant developments in surface-enhanced Raman spectroscopy (SERS) direct mycotoxins food feed. This review provides an overview most recent advancements utilization SERS through successful fabrication novel nanostructured materials. Various bottom-up top-down approaches demonstrated their potential improving sensitivity, while many applications exploit immobilization recognition elements molecular imprinted polymers (MIPs) enhance specificity reproducibility complex matrices. Therefore, design nanomaterials utmost importance are presented herein. paper uncovers that limited studies establish limits or conduct validation using naturally contaminated samples. One decade on, still lacking progress disconnect between technology, European regulatory limits, intended end-user. Ongoing challenges solutions discussed including nanofabrication, binders, data analytics. Recommendations assay design, portability, substrate stability made help improve feasibility future applications.
Language: Английский
Citations
43
Advanced Science, Journal Year: 2024, Volume and Issue: 11(13)
Published: Jan. 19, 2024
Abstract Planar microelectrode arrays (MEAs) for – in vitro or vivo neuronal signal recordings lack the spatial resolution and sufficient signal‐to‐noise ratio (SNR) required a detailed understanding of neural network function synaptic plasticity. To overcome these limitations, highly customizable three‐dimensional (3D) printing process is used combination with thin film technology self‐aligned template‐assisted electrochemical deposition to fabricate 3D‐printed‐based MEAs on stiff flexible substrates. Devices design flexibility physical robustness are shown recording activity different applications, achieving high‐aspect 3D microelectrodes up 33:1. Here, successfully record cultures, retinal explants, cortex living mice, thereby demonstrating versatility MEA while maintaining high‐quality recordings. Customizable provide unique opportunities study under regular various pathological conditions, both vivo, contribute development drug screening neuromodulation systems that can accurately monitor large networks over time.
Language: Английский
Citations
17
Small Methods, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 3, 2025
Abstract Feynman's statement, “There is plenty of room at the bottom”, underscores vast potential atomic scale, envisioning microscopic machines. Today, this vision extends into 3D space, where thousands atoms and molecules are volumetrically patterned to create light‐driven technologies. To fully harness their potential, designs must incorporate high‐refractive‐index elements with exceptional mechanical chemical resilience. The frontier, however, lies in creating spatially micro‐optical architectures glass ceramic materials dissimilar compositions. This multi‐material capability enables novel ways shaping light, leveraging interaction between diverse interfaced compositions push optical boundaries. Specifically, it encompasses both integration within same use different for distinct architectural features an system. Integrating fluid handling systems two‐photon lithography (TPL) provides a promising approach rapidly prototyping such complex components. review examines single TPL processes, discussing photoresin customization, essential physico‐chemical conditions, need cross‐scale characterization assess quality. It reflects on challenges characterizing multi‐scale outlines advancements structures. roadmap bridge research industry, emphasizing collaboration contributions advancing micro‐optics.
Language: Английский
Citations
2
Environmental Nanotechnology Monitoring & Management, Journal Year: 2023, Volume and Issue: 20, P. 100900 - 100900
Published: Nov. 24, 2023
Language: Английский
Citations
37
International Journal of Extreme Manufacturing, Journal Year: 2023, Volume and Issue: 5(4), P. 042012 - 042012
Published: Sept. 7, 2023
Abstract Diverse natural organisms possess stimulus-responsive structures to adapt the surrounding environment. Inspired by nature, researchers have developed various smart with adjustable properties and functions address demands of ever-changing application environments that are becoming more intricate. Among many fabrication methods for structures, femtosecond laser direct writing (FsLDW) has received increasing attention because its high precision, simplicity, true three-dimensional machining ability, wide applicability almost all materials. This paper systematically outlines state-of-the-art research on prepared FsLDW. Based introduction laser-matter interaction mainstream FsLDW-based manufacturing strategies, different stimulating factors can trigger structural responses intelligent such as magnetic field, light, temperature, pH, humidity, emphatically summarized. Various applications functional stimuli-responsive dynamic behaviors fabricated FsLDW, well present obstacles forthcoming development opportunities, discussed.
Language: Английский
Citations
30
APL Photonics, Journal Year: 2023, Volume and Issue: 8(9)
Published: Sept. 1, 2023
Femtosecond (Fs) laser micro-/nano-fabrication technology allows direct definition of on-demand nanostructures with three-dimensional (3D) geometric features and tailored photonic functionalities in a facile manner. In addition, such strategy is widely applicable to various material families, including dielectrics, semiconductors, metals. Based on diverse dielectric crystals, fs-laser writing optical waveguides flexible geometries functional waveguide-based devices have been well-developed. Beyond waveguide architectures, the combination 3D nanofabrication fs lasers multi-functionalities crystals has also lighted up future development novel structures even beyond diffraction limit. this article, promising research topics domain engineering for nonlinear optics, color centers integrated quantum photonics, surface processing photonics enabled by are briefly overviewed. We highlight recent progress these stress importance aberration correction during fabrication, followed discussion challenges foreseeing defined toward multi-functional photonics.
Language: Английский
Citations
26
Bioactive Materials, Journal Year: 2024, Volume and Issue: 39, P. 163 - 190
Published: May 21, 2024
Oral administration is the most simple, noninvasive, convenient treatment. With increasing demands on targeted drug delivery, traditional oral treatment now facing some challenges: 1) biologics how to implement and ensure bioavailability not lower than subcutaneous injections; 2) How achieve therapy of drugs in gastrointestinal tract? Based these two issues, delivery microrobots have shown great application prospect due their characteristics flexible locomotion or driven ability. Therefore, this paper summarizes various developed recent years divides them into four categories according different driving modes: magnetic-controlled microrobots, anchored self-propelled biohybrid microrobots. As involve disciplines such as materials science, mechanical engineering, medicine, control systems, begins by introducing barriers that must overcome. Subsequently, it provides an overview typical involved design process To enhance readers' understanding working principles we present a guideline for designing Furthermore, current development status types reviewed, summarizing respective advantages limitations. Finally, considering significant concerns regarding safety clinical translation, discuss challenges prospections translation presented paper, providing corresponding suggestions addressing existing challenges.
Language: Английский
Citations
12
Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)
Published: Aug. 6, 2024
Abstract High-precision additive manufacturing technologies, such as two-photon polymerization, are mainly limited to photo-curable polymers and currently lacks the possibility produce multimaterial components. Herein, we report a physically bottom-up assembly strategy that leverages capillary force trap various nanomaterials assemble them onto three-dimensional (3D) microscaffolds. This capillary-trapping enables precise uniform of into versatile 3D microstructures with high uniformity mass loading. Our approach applies diverse materials irrespective their physiochemical properties, including polymers, metals, metal oxides, others. It can integrate at least four different material types single microstructure in sequential, layer-by-layer manner, opening immense possibilities for tailored functionalities on demand. Furthermore, microscaffolds removable, facilitating creation pure material-based microstructures. universal micro-/nanofabrication technique advanced miniature devices potential applications multifunctional microrobots smart micromachines.
Language: Английский
Citations
7