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Micromachines publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue polices and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Electronic Design Automation (EDA) for Microfluidic Biochips

edited by

Genggeng Liu

and Xing Huang

submission deadline 31 May 2025 | Viewed by 160 | Submission Open

Keywords: microfluidics; microfluidic device design; system-level design; device placement; fluid routing; control-logic synthesis; testing and fault-tolerant design

(This special issue belongs to the Section B：Biology and Biomedicine)

Magnetic Materials for Spintronics Devices

edited by

Tomasz Blachowicz

and

Andrea Ehrmann

submission deadline 31 May 2025 | Viewed by 149 | Submission Open

Keywords: GMR; TMR; spin valve; spin-FET; spin-MOSFET; DMI; skyrmions; hopfions; spin polarization; domain walls

(This special issue belongs to the Section D：Materials and Processing)

Point-of-Care Medical Testing

edited by

Michael G. Mauk

submission deadline 31 May 2025 | Viewed by 134 | Submission Open

Keywords: point-of-care; NAAT (nucleic acid amplification test); microfluidics; lab-on-a-chip; diagnostics

(This special issue belongs to the Section B4: Point-of-Care Devices)

Power MEMS for Energy Harvesting

edited by

Chun-An Cheng

submission deadline 31 May 2025 | Viewed by 122 | Submission Open

Keywords: microelectromechanical systems (MEMS); energy harvester; sensors; power electronics; power conversion; mechanical vibrations; micro solar cell arrays; vibrational transduction; photovoltaic transduction; piezoelectric transduction; electromagnetic transducers; electrostatic transducers

(This special issue belongs to the Section E：Engineering and Technology)

Technological Advances in Polymer Microfabrication: Design and Processing Innovations, 2nd Edition

edited by

Davide Masato

and

Peng Gao

submission deadline 31 May 2025 | Viewed by 99 | Submission Open

Keywords: micro- and nano-fabrication; polymer processing; micro injection molding; additive manufacturing; advanced manufacturing.

(This special issue belongs to the Section D：Materials and Processing)

Design and Real Time Implementation of Intelligent Control Schemes for Actuators

edited by

Oscar Barambones

submission deadline 31 May 2025 | Viewed by 83 | Submission Open

Keywords: adaptive control; robust control; artificial intelligence; fuzzy logic; neural networks; real time control

(This special issue belongs to the Section A：Physics)

Emerging Nanomaterials and Novel Structures for Photodetectors and Their Applications

edited by

Zhanfeng Huang

submission deadline 31 May 2025 | Viewed by 73 | Submission Open

Keywords: photodetectors; optoelectronic sensors; optoelectronic materials; photodetector design and integration; perovskite photodetector; organic photodetector; imaging technology; human health monitoring; marine environmental monitoring

(This special issue belongs to the Section D：Materials and Processing)

Portable Sensing Systems in Biological and Chemical Analysis

edited by

Cristina Román-Hidalgo

María Jesús Martín-Valero

and

Mercedes Villar-Navarro

submission deadline 31 May 2025 | Viewed by 68 | Submission Open

Keywords: portable devices; on-site analysis; smart materials; smartphone applications

(This special issue belongs to the Section E：Engineering and Technology)

Advanced Filtering, Fusion, and State Estimation in Microsystems and Robotics

edited by

Yuan Xu

and Yuriy S. Shmaliy

submission deadline 31 May 2025 | Viewed by 44 | Submission Open

Keywords: sensor fusion; state estimation; kalman filters; robust filtering; navigation; robotics; wearable devices

(This special issue belongs to the Section E：Engineering and Technology)

Recent Progress in 2D Semiconductor Materials and Devices

edited by

Tianlong Zhao

, Guoqing Xin,

Shulong Wang

Dongdong Chen

and Dezhong Cao

submission deadline 5 Jun 2025 | 1 articles | Viewed by 1186 | Submission Open

Keywords: 2D semiconductor materials; advanced processes; photodetectors; quantum devices; MOSFET devices; semiconductor device reliability; first-principles calculations; modelling and simulation; intelligent design

(This special issue belongs to the Section D1: Semiconductor Devices)

Advanced Thin-Films: Design, Fabrication and Applications, 2nd Edition

edited by

Elena Kalinina

submission deadline 15 Jun 2025 | 8 articles | Viewed by 12377 | Submission Open

Keywords: thin-film technology; nano/microelectromechanical systems; transducers; actuators; electrochemical devices; micro/nanostructures; nanoscale materials

(This special issue belongs to the Section D：Materials and Processing)

Advanced Photodetectors: Materials, Design and Applications

edited by

Maurizio Casalino

and

Teresa Crisci

submission deadline 15 Jun 2025 | 1 articles | Viewed by 1739 | Submission Open

Keywords: photodetectors; materials science; semiconductor devices; design; sensing technology; optoelectronics; nanomaterials; quantum dots; optical communication; imaging technologies

(This special issue belongs to the Section D：Materials and Processing)

Self-Powered Sensors: Design, Applications and Challenges

edited by Jian Chen

submission deadline 20 Jun 2025 | Viewed by 74 | Submission Open

Keywords: self-powered sensors; triboelectric/piezoelectric nanogenerator; flexible electronics; thermoelectric; biofuel cell

(This special issue belongs to the Section A：Physics)

Prospective Outlook on Perovskite Materials and Devices

edited by

Jing Wei

and

Fangze Liu

submission deadline 25 Jun 2025 | 3 articles | Viewed by 3686 | Submission Open

Keywords: perovskite; commercial development; interface engineer; crystal growth; device stability; degradation; solar cells; light emitting devices; memristor; nanocrystals

(This special issue belongs to the Section A：Physics)

MEMS Ultrasonic Transducers

edited by

Xiaohua Jian

Jiadong Li

Changde He

and Zhuochen Wang

submission deadline 30 Jun 2025 | 4 articles | Viewed by 11513 | Submission Open

Keywords: PMUT; CMUT; miniature ultrasound transducers; thin-film transducer; hydrophone; ultrasound imaging; ultrasound testing; wearable ultrasound

(This special issue belongs to the Section A：Physics)

Acoustic-Wave-Based Sensors and Microfluidics: Theories, Techniques, and Applications

edited by

Wenbo Peng

and Xiaolong Zhao

submission deadline 30 Jun 2025 | 4 articles | Viewed by 11256 | Submission Open

Keywords: surface acoustic wave; bulk acoustic wave; acoustic wave sensors; sensing mechanisms; acoustofluidics; acoustic streaming; micro/nanoparticle manipulation; lab-on-a-chip

(This special issue belongs to the Section A：Physics)

Biosensors for Biomedical and Environmental Applications, Third Edition

edited by

Antonella Battisti

submission deadline 30 Jun 2025 | 5 articles | Viewed by 9421 | Submission Open

Keywords: sensors; biosensors; environmental sensors; biomedical sensors; food sensors; quality control; nanosystems; nanomaterials; immobilization technologies; aptamer-based biosensors; enzyme-based biosensors; cell-based biosensors; DNA-based biosensors; immunosensors; lab on a chip (LOC); miniaturization; microstructured sensors; nanostructured sensors; biomarkers detection; pollutants detection; contaminants detection; xenobiotics detection

(This special issue belongs to the Section B1: Biosensors)

Laser Additive Manufacturing of Metallic Materials, 2nd Edition

edited by

Chunlei Qiu

and

Chang-Hwan Choi

submission deadline 30 Jun 2025 | 6 articles | Viewed by 7518 | Submission Open

Keywords: metallic additive manufacturing; 3D printing; microstructural control; new material development

(This special issue belongs to the Section D3: 3D Printing and Additive Manufacturing)

Nanoscale Lithography—Pressing Miniaturization towards Ever Smaller Sizes

edited by

Jayne C. Garno

submission deadline 30 Jun 2025 | 2 articles | Viewed by 5219 | Submission Open

Keywords: nanolithography; nanopatterning; Scanning Probe Microscopy (SPM); nanoscience; nanomaterials; organic films and polymers; nanofabrication

(This special issue belongs to the Section E：Engineering and Technology)

Piezoelectric Devices and System in Micromachines

edited by

Kenji Uchino

submission deadline 30 Jun 2025 | 3 articles | Viewed by 4725 | Submission Open

Keywords: self-propelling micromachine; piezoelectric actuator; piezoelectric motor; MEMS; micro ultrasonic motor; drive/control technique

(This special issue belongs to the Section A：Physics)

New Advances in Wearable and Flexible Sensor Devices and Their Future Prospects

edited by

Vincenzo Mariano Mastronardi

Jianliang Xiao

and

Tao Li

submission deadline 30 Jun 2025 | 2 articles | Viewed by 4064 | Submission Open

Keywords: physical sensors; electrochemical biosensors; wearable electronics; flexible; stretchable; nanomaterials; composite materials; 2D materials; elastomeric substrates; textile-based sensors; sensitivity; limit of detection; reliability; biocompatibility

(This special issue belongs to the Section E：Engineering and Technology)

Interfacial Physics, Healthcare and Medicine: Microfluidics and Nanofluidics

edited by

Alireza Mohammad Karim

and

Mohsen Akbari

submission deadline 30 Jun 2025 | 3 articles | Viewed by 3559 | Submission Open

Keywords: interfacial physics; fluid dynamics; biosensors; bio-printing; medicine; healthcare

(This special issue belongs to the Section B：Biology and Biomedicine)

Hybrid Energy Field Manufacturing Technology for Difficult-to-Machine Materials

edited by

Zhen Zhang

, Zhi Chen,

Jun Ma

and

Wuyi Ming

submission deadline 30 Jun 2025 | 3 articles | Viewed by 3442 | Submission Open

Keywords: difficult-to-machine materials; precision manufacturing; electric discharge; laser-induced plasma machining; magnetic field composite electrical machining; laser-assisted cutting machining; ultrasonic-assisted-hot-pressing forming; composite special energy field manufacturing technologies

(This special issue belongs to the Section D：Materials and Processing)

Broadband Terahertz Devices and Communication Technologies, 2nd Edition

edited by Jiao Zhang,

Lu Zhang

, Kaihui Wang and Xiongbin Yu

submission deadline 30 Jun 2025 | 3 articles | Viewed by 2742 | Submission Open

Keywords: THz source (electrical; photonic); THz mixer (electrical; photonic); THz modulator (electrical; photonic); THz beam steering (electrical; photonic); THz topological photonics; THz amplifier (low-noise; power; traveling wave tube; etc.); passive THz devices (filter; polarizer; antenna; etc.); baseband processing for THz links (transmitter; receiver); THz propagation and channel modeling; system-level demonstration of electrical THz communications; system-level demonstration of photonic THz communications; THz-orbital angular momentum (OAM) communications; THz integrated sensing and communication (ISAC)

(This special issue belongs to the Section A：Physics)

Lab on Chips and Optical Detection Methods

edited by

Francisco Perdigones

submission deadline 30 Jun 2025 | 2 articles | Viewed by 2563 | Submission Open

Keywords: lab-on-a-chip; optical sensors; optical actuators; absorbance; fluorescence; surface plasmon resonance; waveguides; optic fiber; biomedical application; chemical application; cell cultures; organotypic cultures

(This special issue belongs to the Section B：Biology and Biomedicine)

Recent Advances in Droplet Microfluidics

edited by

Nan Xiang

and

Shanshan Li

submission deadline 30 Jun 2025 | 2 articles | Viewed by 1916 | Submission Open

Keywords: droplet microfluidics; cell manipulation and analysis; point-of-care testing devices; biomedical applications

(This special issue belongs to the Section B：Biology and Biomedicine)

Recent Development of Micro/Nanofluidic Devices, 2nd Edition

edited by

Kailiang Zhang

Yupan Wu

and

Xiangsong Feng

submission deadline 30 Jun 2025 | 1 articles | Viewed by 1608 | Submission Open

Keywords: micromixer; microreactor; microseparator; microsprayer; micro/nano sensor; micro/nano fabrication; droplet manipulation; lab on a chip

(This special issue belongs to the Section B：Biology and Biomedicine)

Novel Micromachine Systems Enabled Tissue Characterization and Physiological Monitoring

edited by Muyang Lin

submission deadline 30 Jun 2025 | 1 articles | Viewed by 1263 | Submission Open

Keywords: micromachine system; tissue characterization; ultrasound; healthcare; wearable sensor

(This special issue belongs to the Section B：Biology and Biomedicine)

RF MEMS and Microsystems

edited by

Marco A. Panduro

David H. Covarrubias

Carlos Bocio

and

Alberto Reyna Maldonado

submission deadline 30 Jun 2025 | 1 articles | Viewed by 771 | Submission Open

Keywords: RF MEMS; microsystems; reconfigurable systems; antenna

(This special issue belongs to the Section E：Engineering and Technology)

Microrheology with Optical Tweezers

edited by

Manlio Tassieri

submission deadline 30 Jun 2025 | Viewed by 755 | Submission Open

Keywords: optical tweezers; rheology; microrheology; metrology; biophysics; biomedical engineering

(This special issue belongs to the Section B：Biology and Biomedicine)

Silicon-Based Photonic Technology and Devices

edited by Jian Li and Yisu Yang

submission deadline 30 Jun 2025 | 1 articles | Viewed by 616 | Submission Open

Keywords: silicon-based photonics; PICs; quantum well/dot lasers; modulators; detectors; material growth; device processes

(This special issue belongs to the Section A：Physics)

Advanced Graphene Nanomaterials: Synthesis, Characterization and Application

edited by

Michal Strankowski

submission deadline 30 Jun 2025 | Viewed by 387 | Submission Open

Keywords: nanoparticles; ; graphene derivatives; ; nanomaterials; ; self-healing; ; shape memory; ; microfabrication; ; microsystems

(This special issue belongs to the Section D：Materials and Processing)

Surface and Bulk Acoustic Wave Devices

edited by Jinkai Chen,

Shurong Dong

and

Hao Jin

submission deadline 30 Jun 2025 | Viewed by 357 | Submission Open

Keywords: acoustic wave sensors; piezoelectric materials; signal processing; fabrication techniques; material innovations; device optimization; theoretical modeling

(This special issue belongs to the Section A：Physics)

Micro-Electro Discharge Machining: Principles, Recent Advancements and Applications, 4th Edition

edited by

Irene Fassi

and

Francesco Modica

submission deadline 30 Jun 2025 | Viewed by 243 | Submission Open

Keywords: micro EDM; parameters optimization; process simulation; tool wear; difficult-to-cut material

(This special issue belongs to the Section D：Materials and Processing)

Breakthroughs in Electromagnetic Sensing and Imaging: Cutting-Edge Techniques and Applications

edited by

Lulu Wang

submission deadline 30 Jun 2025 | Viewed by 168 | Submission Open

Keywords: electromagnetic sensing; electromagnetic imaging; signal processing; healthcare diagnostics; environmental monitoring; industrial automation; communication systems; sensor materials; remote sensing

(This special issue belongs to the Section A：Physics)

Linear and Nonlinear Vibrations for Sensing and Energy Harvesting

edited by

Najib Kacem

submission deadline 30 Jun 2025 | Viewed by 167 | Submission Open

Keywords: vibration energy harvesting; sensors and actuators; vibrations; MEMS and NEMS; smart structures; nonlinear dynamics; wave propagation; collective dynamics; dynamic stability; nonlinear phenomena; reduced order modeling

(This special issue belongs to the Section D：Materials and Processing)

Emerging Micro Manufacturing Technologies and Applications, 3rd Edition

edited by

Nikolaos Tapoglou

submission deadline 30 Jun 2025 | Viewed by 122 | Submission Open

Keywords: machining; micromachining; emerging technologies; simulation; 3D printing; microcutting; microgears

(This special issue belongs to the Section D：Materials and Processing)

Research Progress on Advanced Piezoelectric Energy Harvesters

edited by

Marek Placzek

submission deadline 30 Jun 2025 | Viewed by 120 | Submission Open

Keywords: piezoelectricity; piezoelectric energy harvesting; piezoelectric energy harvester; applications of piezoelectric energy harvesters; novel piezoelectric materials for energy harvesting; self-powered wireless sensors; broadband energy harvester; energy harvester design; structural health monitoring; nonlinear generator; bistable generator; piezoelectric nanogenerator; vibration energy harvester

(This special issue belongs to the Section A：Physics)

Advanced Packaging Technology for MEMS Devices

edited by

Shanshan Gu-Stoppel

submission deadline 30 Jun 2025 | Viewed by 118 | Submission Open

Keywords: advanced packaging; wafer-level packaging; wafer bonding; heterogene packaging; chiplet; 3D integration; sensor fusion; smart sensor system

(This special issue belongs to the Section E：Engineering and Technology)

The 15th International Conference of the Chinese Society of Micro-Nano Technology (CSMNT 2024)

edited by

Qingyou Lu

and Qiyuan Feng

submission deadline 30 Jun 2025 | Viewed by 98 | Submission Open

Keywords: micro/nano devices; MEMS/NEMS; intelligent microsystems; micro/nano fluidics; flexible electronics; micro/nano photonics

Flexible and Wearable Devices for Health Monitoring and Energy Harvesting

edited by

Rafael Gonzalez-Landaeta

and

Amanda Carrillo Castillo

submission deadline 30 Jun 2025 | Viewed by 92 | Submission Open

Keywords: wearables; devices for healthcare; energy harvesting; sensors; flexible electronics; supercapacitors; harvesters; self-powered electronics

(This special issue belongs to the Section A：Physics)

Advances in Low-Dimensional Materials: Synthesis, Characterization and Device Application, 2nd Edition

edited by Tianyi Zhang and Xiaotian Zhang

submission deadline 30 Jun 2025 | Viewed by 73 | Submission Open

Keywords: low-dimensional materials: quantum dots; nanowires; nanotubes; 2D materials; graphene; transition metal dichalcogenides; boron nitride; MXenes; perovskite; physical and structural characterization: atomic-scale characterization; electron microscopy; spectroscopy; X-ray diffraction; raman spectroscopy; scanning tunneling microscopy (STM); atomic force microscopy (AFM); device applications: field-effect transistors (FETs); sensors; memristors; nonvolatile memories; energy conversion devices; flexible electronics; optoelectronics; photodetectors; energy storage

Microfluidic Platforms for Cell Analysis and Sorting

edited by

Huaying Chen

submission deadline 30 Jun 2025 | Viewed by 70 | Submission Open

Keywords: microfluidics; lab-on-a-chip; circulating tumor cells; cell sorting; blood sorting; microparticles; nanoparticles

(This special issue belongs to the Section B：Biology and Biomedicine)

Microreactors and Their Applications—Second Edition

edited by

Magdalena Luty-Błocho

submission deadline 30 Jun 2025 | Viewed by 70 | Submission Open

Keywords: microreactor; microfluidics; micromachines; process intensification

(This special issue belongs to the Section C：Chemistry)

Nanoparticles in Tissue Engineering and Regenerative Medicine

edited by

Dong Kee Yi

Sitansu Sekhar Nanda

and

Seong Soo A. An

submission deadline 30 Jun 2025 | Viewed by 68 | Submission Open

Keywords: nanoparticle; TERM; scaffold; bone diseases; biomaterials

(This special issue belongs to the Section B3: Nanoparticles in Biomedicine)

Optofluidic Devices and Their Applications

edited by Xiang Wu

submission deadline 30 Jun 2025 | Viewed by 48 | Submission Open

Keywords: optofluidics; lab-on-a-chip; microfluidics; biomedical diagnostics; environmental sensing; solar energy harvesting; artificial photosynthesis; optofluidic microscopy; spectroscopy; pollutant detection; single-cell analysis; portable imaging; 3D printing in optofluidics; hybrid integration; personalized medicine; molecular analysis; renewable energy solutions; device fabrication techniques; miniaturized analytical systems; high-sensitivity detection; biosensors

(This special issue belongs to the Section B：Biology and Biomedicine)

Functional Materials and Microdevices, 2nd Edition

edited by Zhenhua Wu, Erzhen Mu, Hongjing Shang and Ming Li

submission deadline 30 Jun 2025 | Viewed by 46 | Submission Open

Keywords: functional materials and characterizations; energy conversion and transport; nano-micro device; device modeling and simulation; sensors and actuators; 3D printing and MEMS technologies; machine learning and algorithm

(This special issue belongs to the Section D：Materials and Processing)

Exploration and Application of Piezoelectric Smart Structures

edited by