Recent Advances in Micro- and Nanorobot-Assisted Colorimetric and Fluorescence Platforms for Biosensing Applications DOI Creative Commons
Arumugam Selva Sharma, Nae Yoon Lee

Micromachines, Journal Year: 2024, Volume and Issue: 15(12), P. 1454 - 1454

Published: Nov. 29, 2024

Micro- and nanorobots (MNRs) have attracted significant interest owing to their promising applications in various fields, including environmental monitoring, biomedicine, microengineering. This review explores advances the synthetic routes used for preparation of MNRs, focusing on both top-down bottom-up approaches. Although approach dominates field because its versatility design functionality, strategies that utilize template-assisted electrochemical deposition bioconjugation present unique advantages terms biocompatibility. investigates diverse propulsion mechanisms employed magnetic, electric, light, biological forces, which enable efficient navigation fluidic environments. The interplay between synthesis MNRs development colorimetric fluorescence detection platforms is emphasized. Additionally, we summarize recent advancements as sensing biosensing platforms, particularly fluorescence-based systems. By utilizing controlled motion dynamic changes fluorescent signals responses can be achieved, thereby enhancing sensitivity selectivity biomolecular detection. highlights transformative potential emphasizes role advancing diagnostic technologies through innovative motion-driven signal transduction mechanisms. Subsequently, provide an overview primary challenges currently faced MNR research, along with our perspective future MNR-assisted chemical sensing. Moreover, issues related enhanced stability, biocompatibility, integration existing systems are discussed.

Language: Английский

Advancing Dye Degradation: Integrating Microbial Metabolism, Photocatalysis, and Nanotechnology for Eco-Friendly Solutions DOI Creative Commons

Anjuman Ayub,

Atif Khurshid Wani, Chirag Chopra

et al.

Bacteria, Journal Year: 2025, Volume and Issue: 4(1), P. 15 - 15

Published: March 7, 2025

Textile dyes pose a major environmental threat due to their toxicity, persistence in water bodies, and resistance conventional wastewater treatment. To address this, researchers have explored biological physicochemical degradation methods, focusing on microbial, photolytic, nanoparticle-mediated approaches, among others. Microbial depends fungi, bacteria, yeasts, algae, utilizing enzymatic pathways involving oxidoreductases like laccases, peroxidases, azoreductases breakdown or modify complex dye molecules. Photolytic employs hydroxyl radical generation electron-hole pair formation, while utilizes titanium dioxide (TiO2), zinc oxide (ZnO), silver (Ag) nanoparticles enhance removal. improve efficiency, microbial consortia been developed decolorization mineralization, offering cost-effective eco-friendly alternative methods. Photocatalytic degradation, particularly using TiO2, harnesses light energy for breakdown. Research advancements focus shifting TiO2 activation from UV visible through doping composite materials, optimizing surface area mesoporosity better adsorption. Nanoparticle-mediated approaches benefit high rapid adsorption, with ongoing improvements synthesis, functionalization, reusability, magnetic nanoparticle integration. These emerging technologies provide sustainable solutions degradation. The primary aim of this review is comprehensively evaluate synthesize current research the azo photolytic processes, nanotechnology-based approaches. also provides detailed information salient mechanistic aspects these efficiencies, advantages, challenges, potential applications industrial contexts.

Language: Английский

Citations

1

Motion control of chemically powered colloidal motors DOI
Kangning Zhu, Yang Huang, Ling Yang

et al.

Advances in Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 341, P. 103475 - 103475

Published: March 15, 2025

Language: Английский

Citations

1

Nanoimprint lithography-assisted block copolymer self-assembly for hyperfine fabrication of magnetic patterns based on L10-FePt nanoparticles DOI Creative Commons
Jie Zhang, Yi Chen, Guijun Li

et al.

Science China Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 6, 2025

Abstract L1 0 -FePt-type bit-patterned media has provided a promising alternative for ultrahigh-density magnetic recording systems in the current digital era, but rapid fabrication of patterns with hyperfine bit islands is still challenging, especially target miniaturization and scalable production simultaneously. Herein, Fe,Pt-containing block copolymers were utilized as single-source precursors solution-processable patterning subsequent generation demanding FePt dots by situ pyrolysis. High-throughput nanoimprint lithography was initially employed to fabricate predefined cells precisely, then intrinsic self-assembly phase-separated further drove formation accurate islands. Benefiting from synergistic effect top-down lithographic approach bottom-up self-assembly, customizable could be achieved large-scale mass targeted areas, high-density isolated also accurately aligned along patterned features after self-assembly. This reliable strategy would provide good avenue precisely construct data storage devices.

Language: Английский

Citations

0

Translational nanorobotics breaking through biological membranes DOI
Alzbeta Ressnerova, Zbyněk Heger, Martin Pumera

et al.

Chemical Society Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

In the dynamic realm of translational nanorobotics, endeavor to develop nanorobots carrying therapeutics in rational vivo applications necessitates a profound understanding biological landscape human body and its complexity. Within this landscape, membranes stand as critical barriers successful delivery therapeutic cargo target site. Their crossing is not only challenge for nanorobotics but also pivotal criterion clinical success therapeutic-carrying nanorobots. Nevertheless, despite their urgency, strategies membrane remain relatively underrepresented scientific literature, signaling an opportunity further research innovation. This review focuses on with various propulsion mechanisms from chemical physical hybrid mechanisms, it identifies describes four essential that represent needed be crossed journey applications. First entry point into blood stream, which skin or mucosa intravenous injection; next exit bloodstream across endothelium site; cell through plasma and, finally, escape lysosome, otherwise destroys cargo. The discusses design challenges inherent translating nanorobot technologies real-world provides overview documented crossings. aim underscore need interdisciplinary collaborations between chemists, materials scientists biologists vital domain has potential revolutionize field precision medicine.

Language: Английский

Citations

0

Nano-/Microrobots for Environmental Remediation in the Eyes of Nanoarchitectonics: DOI Creative Commons
Anna Jančík Procházková, Katsuhiko Ariga

Research, Journal Year: 2025, Volume and Issue: 8

Published: Jan. 1, 2025

Nano-/microrobots have been demonstrated as an efficient solution for environmental remediation. Their strength lies in their propulsion abilities that allow active “on-the-fly” operation, such pollutant detection, capture, transport, degradation, and disruption. Another advantage is versatility, which allows the engineering of highly functional solutions a specific application. However, latter can bring complexity to applications; versatility dimensionality, morphology, materials, surface decorations, other modifications has crucial effect on resulting abilities, compatibility with environment, overall functionality. Synergy between decorations its projection functionality object nanoarchitectonics. Here, we scrutinize nano-/microrobots eyes nanoarchitectonics: list general concepts help assess synergy limitations individual procedures fabrication processes operation at macroscale. The nanoarchitectonics approached from microscopic level, focusing dimensionality through nanoscopic evaluating influence decoration nanoparticles quantum dots, moving molecular single-atomic level very fine tuning presented review aims lay provide overview advanced nano-/microrobot remediation beyond.

Language: Английский

Citations

0

SERS-Active Micro/Nanomachines for Biosensing DOI Creative Commons

Chenbing Li,

Wenqing Zhang,

Kai Zheng

et al.

Biosensors, Journal Year: 2025, Volume and Issue: 15(2), P. 115 - 115

Published: Feb. 16, 2025

Surface-enhanced Raman spectroscopy (SERS) has emerged as a powerful noninvasive analytical technique with widespread applications in biochemical analysis and biomedical diagnostics. The need for highly sensitive, reproducible, efficient detection of biomolecules complex biological environments driven significant advancements SERS-based biosensing platforms. In this context, micro/nanomachines (MNMs) have garnered attention versatile SERS-active substrates due to their unique structural motional characteristics at the micro- nanoscale. This review explores advantages integrating MNMs SERS biosensing, discussing recent technological advances, various propulsion strategies, potential range applications.

Language: Английский

Citations

0

High‐throughput Photoactive Magnetic Microrobots for Food Quality Control DOI Creative Commons
Roberto María‐Hormigos, Carmen C. Mayorga‐Martinez, Jeonghyo Kim

et al.

Small Methods, Journal Year: 2025, Volume and Issue: unknown

Published: March 11, 2025

Abstract Ensuring food quality and safety according to stringent global standards requires analytical procedures that are accurate, cost‐effective, efficient. This present innovative high‐throughput microrobots designed for the detection of antioxidants in samples. These consist photocatalytic bismuth subcarbonate anchored on silica‐coated magnetite nanoparticles. Upon exposure UV light, they generate reactive oxygen species via photocatalysis, which oxidize colorless dye into a green‐colored radical cation. The presence inhibits this reaction, allowing quantification antioxidant activity. magnetic Fe₃O₄/SiO₂ core enables steering using transverse rotating field, facilitating automated assays custom‐designed 3D‐printed sensing platform. results demonstrate these magneto‐photocatalytic can perform automated, assessments quality, representing significant advancement analysis technology.

Language: Английский

Citations

0

Beyond the Pill: How Nanorobots are Transforming Drug Delivery DOI

Yucong Yang,

Zhao Li, Tao Tao

et al.

Journal of Drug Delivery Science and Technology, Journal Year: 2025, Volume and Issue: unknown, P. 106817 - 106817

Published: March 1, 2025

Language: Английский

Citations

0

Tailoring the Propulsion Dynamics of Rod‐Shaped Colloidal Micromotors Driven by Passive Particles DOI
Suvendu Kumar Panda, S. Das, Dhruv Singh

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: April 8, 2025

Abstract Studying the interactions among active and passive units in a heterogeneous fluid medium is an attractive regime matter systems. It of paramount importance to investigate those systems not only understand complex dynamics behavior but also design reconfigurable novel structures. Here, light‐activated rod‐like colloidal micromotors show intriguing swimming patterns when attached inert silica spheres. The comprise swimmers made semiconducting material like silica‐titania, fabricated primarily by Glancing Angle Deposition (GLAD)‐based Physical Vapor (PVD) technique. activity rods solely triggered upon UV illumination, resulting phoretic slip flows around rods, which push them into translational mode. Interestingly, their changes encountering particles, transitioning from inherent random path spiral, linear, or orbital depending on number size particles. Numerical modeling performed, accurately predicts these behaviors, aligning with experimental results. This study advances ability control particle mediums enhances understanding similar cumbersome phenomena other biological artificial nonequilibrium

Language: Английский

Citations

0

Cobalt ferrite nanoparticles: The physics, synthesis, properties, and applications DOI
Sumayya M. Ansari, Adnan Younis,

Y.D. Kolekar

et al.

Applied Physics Reviews, Journal Year: 2025, Volume and Issue: 12(2)

Published: April 15, 2025

Spinel cobalt ferrite (CoFe2O4, CFO) nanoparticles (NPs) are a major focus of fundamental science and technological innovation due to their distinctive mix magnetic, electrical, chemical characteristics. CFO NPs have outstanding stability, modest saturation magnetism (∼80 emu/g), high Curie temperature (∼793 K), significant magnetocrystalline anisotropy. These characteristics, further improved by cation substitution surface functionalization, enable wide range applications. This review provides comprehensive analysis NPs, covering synthesis methods, physicochemical characterization, modifications, diverse We compare the environmental impact, scalability, yield, particle size control variety techniques, including co-precipitation, hydrothermal, sol-gel route, combustion method, microemulsion, thermal decomposition, electrochemical synthesis, polyol green methods. The sustainable alternative which employs plant- microbe-mediated biosynthesis, is becoming increasingly important in biomedical sectors. Furthermore, we explore advanced functionalization techniques that employ monomeric, inorganic, polymeric stabilizers improve biocompatibility stability NPs. effects (such as transition metals rare-earth dopants) on magnetic properties examined detail, addressing challenges like cost real-world Moreover, present detailed discussion correlating structural, morphological, dielectric, optical, electrical with methods modifications. traditional energy storage conversion applications comprehensively discussed. Additionally, highlights applications, (e.g., MRI contrast agents, hyperthermia, biosensors), role electronics optoelectronics, purification catalysis well advances electromagnetic technologies. Emerging roles quantum computing, nanorobotics, tissue engineering, bioimaging, also discussed, emphasizing cutting-edge potential multifunctional objective this critically evaluate recent advancements, challenges, future research directions bridge divide understanding systematic evaluation establishes strong foundation for researchers, allowing them investigate novel both current emerging domains.

Language: Английский

Citations

0