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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 policies 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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Microfluidic Chips for Biomedical Applications

edited by

Yung-Shin Sun

and

Paul Hsieh-Fu Tsai

submission deadline 30 Jul 2026 | 13 articles | Viewed by 33237 | Submission Open

Keywords: microfluidics; lab-on-a-chip; organ-on-a-chip; microfabrication; μTAS; MEMS

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

Advanced Developments in Droplet Microfluidics

edited by

Eric Brouzes

submission deadline 30 Jul 2026 | 3 articles | Viewed by 2408 | Submission Open

Keywords: droplet generation; droplet-based assays; droplet manipulation; droplet-based applications; chemical reactions inside microfluidic droplets; physics of microfluidic droplets; open-source equipment for droplet microfluidics; droplet microfluidics and 3D printing; droplet-based high-throughput screening; single-cell manipulation or analysis with droplet microfluidics

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

Novel Micromechanical Resonators, Filters, and MEMS/NEMS Transducers

edited by

Jing Wang

, Nelson Sepúlveda,

Philip Feng

and Guoan Wang

submission deadline 30 Jul 2026 | Viewed by 418 | Submission Open

Keywords: RF MEMS; micromechanical resonators; filters; oscillators; resonant sensors; MEMS resonator readout circuits

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

Microfluidics in Biomedical Research

edited by

Nan Xiang

submission deadline 31 Jul 2026 | 13 articles | Viewed by 18190 | Submission Open

Keywords: microfluidics; artificial intelligence; point-of-care testing devices or instruments; biomedical research; emerging techniques

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

Novel Devices, Emerging Applications and Advances in MEMS Fabrication Processes, 2nd Edition

edited by

Margarita Tecpoyotl-Torres

Jesus J. Alcantar Peña

and

Agustin L. Herrera-May

submission deadline 31 Jul 2026 | 5 articles | Viewed by 14552 | Submission Open

Keywords: MEMS sensors; MEMS actuators; BioMEMS; medical MEMS; microfluidic devices; PiezoMEMS; energy harvesters; triboelectric nanogenerators; MEMS-based electronic systems; MEMS fabrication processes; MEMS emergent aplications

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

Microwave Passive Components, 3rd Edition

edited by

and

submission deadline 31 Jul 2026 | 11 articles | Viewed by 13498 | Submission Open

Keywords: theory, modeling, fabrication, measurement and applications; microwave-, millimeter- and terahertz-wave passive component/devices applied in communication, radar and other systems; passive component/devices in antennas, filters, biosensors, vacuum electronic devices, pulse compressor, particle accelerator, etc.; other work related to microwave devices

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

MEMS and NEMS Sensors: Innovations, Applications, and Future Directions in Micro/Nano Technologies

edited by Meng Nie and

Kuibo Yin

submission deadline 31 Jul 2026 | 9 articles | Viewed by 11057 | Submission Open

Keywords: MEMS/nano sensors; micro/nano nanotechnology; sensor technology; material innovations; wearable devices; nanoelectronics

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

Photonic and Optoelectronic Devices and Systems, 4th Edition

edited by

Muhammad Ali Butt

submission deadline 31 Jul 2026 | 12 articles | Viewed by 10525 | Submission Open

Keywords: optical waveguide devices; photonic sensors; photodiodes; solar cells; lasers; optical switches; logic gates; light-emitting diodes; plasmonics; metamaterials; photonic crystals; non-linear photonics; photonics for AI and neuromorphic computing; qauntum photonics

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

Droplet Microfluidic-Based Systems: Fundamentals, Applications, and Future Directions

edited by Wei Guo and Yage Zhang

submission deadline 31 Jul 2026 | 4 articles | Viewed by 8123 | Submission Open

Keywords: microfluidics; droplet manipulations; high-throughput screening; microfabrications; biochemical assays; directed evolution

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

Point-of-Care Testing Based on Biosensors and Biomimetic Sensors

edited by

Rosa Fireman Dutra

submission deadline 31 Jul 2026 | 4 articles | Viewed by 6238 | Submission Open

Keywords: point-of-care testing; immunosensors; biomimetic techniques; molecularly imprinted polymers; artificial enzymes; aptamers; biosensors; diagnostics; rapid detection; multiplexing; electrochemical sensors; optical sensors; nanomaterials

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

Micro/Nanomanufacturing and Cross-Scale Fabrication: Methods, Systems, and Applications

edited by

Yanquan Geng

Chenyang Zhao

and Jiqiang Wang

submission deadline 31 Jul 2026 | 5 articles | Viewed by 5476 | Submission Open

Keywords: micro/nanofabrication; cross-scale fabrication; micro-formative manufacturing; intelligent manufacturing; functional micro/nanostructures

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

Immunoassay Platforms for Biomedical Detection

edited by Jian Gu and Chao Wang

submission deadline 31 Jul 2026 | 1 articles | Viewed by 4423 | Submission Open

Keywords: immunoassay; lateral/vertical flow assays; nano/microfluidics; nano/microscale biosensors; biosensor system integration; lab-on-a-chip; point-of-care testing; healthcare and environmental monitoring

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

GaN Heterostructure Devices: From Materials to Application, 2nd Edition

edited by Baijun Zhang

submission deadline 31 Jul 2026 | 1 articles | Viewed by 4150 | Submission Open

Keywords: GaN heterostructure; optoelectronic devices; electronic devices; biosensor; THz devices; MEMS devices

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

RF and Power Electronic Devices and Applications, 2nd Edition

edited by

Hao Lu

and Yuqi Wei

submission deadline 31 Jul 2026 | 3 articles | Viewed by 3623 | Submission Open

Keywords: gallium nitride HEMT; power electronics; RF and mmWave device; power converter

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

Advances in Optoelectronic Co-Design: Bridging EIC and PIC Technologies

edited by Dan Li and

Binhao Wang

submission deadline 31 Jul 2026 | 2 articles | Viewed by 3205 | Submission Open

Keywords: EIC-PIC co-design targeting: high-speed optical interconnect; LiDAR; quantum; other emerging applications; EIC-PIC packaging and integration; EIC-PIC joint simulation

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

Integrated Photonics and Optoelectronics, 3rd Edition

edited by

He Yang

submission deadline 31 Jul 2026 | 3 articles | Viewed by 2985 | Submission Open

Keywords: active and passive photonic devices ; nanoscale optical modulators and photodetectors ; chip-integrated single-photon generation and detection ; photonic interfaced hybrid quantum system ; photonic computing and photonic quantum computing ; advanced nanomaterial for photonic structure ; on-chip mid-IR photonics ; micro- and nanofabrication techniques

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

Latest Breakthroughs in 6G RF/Microwave Front-End Filtering and Reconfigurable Devices

edited by

Milka Potrebić Ivaniš

and

Dejan Tošić

submission deadline 31 Jul 2026 | 2 articles | Viewed by 2067 | Submission Open

Keywords: RF/microwave filters; multimode resonators; multiband filters; planar filter; waveguide filters; substrate-integrated waveguides filters; dielectric resonator filter; tunable/reconfigurable filters and multiplexers; programmable multifunctional RF/microwave circuit; multifunctional filtering power dividers/baluns/couplers/antennas; 3D printing of microwave and millimeter-wave filtering devices; memristive devices; memristors for intelligent RF applications

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

Microfluidic Machinery with 3D Channel Networks

edited by Juyeol Bae

submission deadline 31 Jul 2026 | 1 articles | Viewed by 1549 | Submission Open

Keywords: 3D microfluidics; microsystems; lab-on-a-chip; microfabrication; nanofabrication; high-throughput processing; biomimetics

(This special issue belongs to the Section C1: Micro/Nanoscale Electrokinetics)

Current and Emerging Microfabrication Techniques for Lab-on-a-Chip and Biomedical Microdevices: From Photolithography to 3D Printing

edited by

Qasem Ramadan

submission deadline 31 Jul 2026 | 2 articles | Viewed by 1491 | Submission Open

Keywords: novel fabrication materials; fabrication techniques (molding, 3D printing, photolithography, nanofabrication, hot embossing, etc.); integration; sensor integration; three-dimensional microfluidics; hybrid devices; membrane-based microfluidic devices; paper-based microfluidic devices; fluid handling and automation

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

Acoustic Microfluidics: Design, Fabrication, and Applications

edited by

Jin-Chen Hsu

and

Jia-Hong Sun

submission deadline 31 Jul 2026 | 2 articles | Viewed by 1282 | Submission Open

Keywords: acoustofluidics; microfluidics; bulk acoustic wave; surface acoustic wave; acoustic streaming; acoustic radiation force

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

Micro Sensors and Devices for Ocean Engineering

edited by Chenyang Xue

submission deadline 31 Jul 2026 | 1 articles | Viewed by 1245 | Submission Open

Keywords: advanced ocean sensing; marine microsensors; micro-nano fabrication

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

Hydrodynamics of Micro Blood Vessels

edited by

S. Kokou Dadzie

submission deadline 31 Jul 2026 | 1 articles | Viewed by 1238 | Submission Open

Keywords: micro/nano-fluidics; microvascular blood flow; micro/nanochannel flow; micro blood vessels; micro- and nano-channels; non-newtonian flow

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

Piezoelectric Sensors, Actuators, Transducers, and Energy Harvesters

edited by

Lin Zhang

, Wenjuan Liu and

Dabin Lin

submission deadline 31 Jul 2026 | 1 articles | Viewed by 638 | Submission Open

Keywords: piezoelectric materials; MEMS; flexible sensors; transducers

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

Recent Advancements in Micromachined Ultrasonic Transducers

edited by

Zhikang Li

and Jie Li

submission deadline 31 Jul 2026 | Viewed by 480 | Submission Open

Keywords: micromachined ultrasonic transducers (MUTs); PMUTs; CMUTs; low-power consumption; high performance; micro- and nano-manufacturing; applications of MUTs

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

Next-Generation Piezoelectric Films: Materials, Fabrication, and Applications

edited by Longfei Song

submission deadline 31 Jul 2026 | Viewed by 308 | Submission Open

Keywords: piezoelectric films; deposition methods; piezoelectric MEMS devices; piezoelectric energy harvesting

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

3D Bioprinting: Materials, Process, and Applications

edited by

Kunal Mitra

submission deadline 31 Jul 2026 | Viewed by 301 | Submission Open

Keywords: bioink; 3D bioprinting; smart materials; metamaterials; tissue constructs; vascularization

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

Immunosensors for Point-of-Care Diagnostics

edited by

Ülkü Anık

and

Emine Güler Celik

submission deadline 31 Jul 2026 | Viewed by 277 | Submission Open

Keywords: immunosensors; point-of-care diagnostics; antigen; antibody; glycan; aptamer; electrochemical immunosensors; optical immunosensors; piezoelectric immunosensors; MIP-based immunosensors; nanomaterial-based immunosensors

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

Micro- and Nano-Engineered Biomaterials and Devices for Regenerative Medicine and Therapeutics

edited by

Bin Kong

and Yu Song

submission deadline 31 Jul 2026 | Viewed by 222 | Submission Open

Keywords: biomaterials for regenerative medicine; hydrogels and microneedle devices; smart and responsive therapeutic materials; microfluidic and 3D-bioprinted constructs; bioinspired therapeutic devices

(This special issue belongs to the Section B2: Biofabrication and Tissue Engineering)

High-Reliability Semiconductor Devices and Integrated Circuits, 4th Edition

edited by

Yiqiang Chen

, Yi Liu and

Changqing Xu

submission deadline 10 Aug 2026 | 3 articles | Viewed by 3387 | Submission Open

Keywords: high reliability; semiconductor devices; integrated circuits; strong magnetic field; radiation environment; intelligent design

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

Research Trends of RF Power Devices

edited by Sheng-Lyang Jang and

Wen-Cheng Lai

submission deadline 15 Aug 2026 | 1 articles | Viewed by 1875 | Submission Open

Keywords: RF power device design and fabrication; RF power circuit design and characterization; heterogeneous integration of RF semiconductor devices; RF/THz power circuit; integrated power devices; passive components; sensors

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

Breaking Barriers: Microneedles in Therapeutics and Diagnostics

edited by

Satish Rojekar

and

Harsha Jain

submission deadline 20 Aug 2026 | 2 articles | Viewed by 6758 | Submission Open

Keywords: microneedles; transdermal; biologics; vaccines; diagnostics; small molecule; fabrication; personalized

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

State-of-the-Art Memristor and Optoelectronic Memristor: Materials, Fabrication, Mechanism and Applications

edited by

Liyuan Long

and Kangmin Leng

submission deadline 20 Aug 2026 | 3 articles | Viewed by 4724 | Submission Open

Keywords: memristor; optoelectronic memristor; synapse; neuromorphic computing; resistive switching; reconfigurable neuromorphic devices

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

Wide-Bandgap Semiconductor Devices: Materials, Fabrication, and Applications, 2nd Edition

edited by Jie Su, Xi Jiang and Song Yuan

submission deadline 25 Aug 2026 | 5 articles | Viewed by 11235 | Submission Open

Keywords: wide-bandgap semiconductor materials and devices; power semiconductor devices; semiconductor performance characterization; power electronics; semiconductor device fabrication; semiconductor device reliability

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

CMOS-MEMS Fabrication Technologies and Devices, 2nd Edition

edited by

Liangxing Hu

submission deadline 30 Aug 2026 | 3 articles | Viewed by 6101 | Submission Open

Keywords: CMOS-MEMS fabrication technologies; CMOS; MEMS; CMOS-MEMS integration; 3D integration

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

Reliability Metrology, Testing and Failure Analysis of Semiconductor Devices

edited by

Liangxing Hu

submission deadline 30 Aug 2026 | 3 articles | Viewed by 3870 | Submission Open

Keywords: reliability metrology; test; failure analysis; semiconductor devices; sensors; actuators; MEMS; CMOS devices

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

Smart Robots for Industrial Inspection: Integrating Micro-Technologies and Intelligent Systems

edited by

Bo Li

Min Li

and Xiaoling Li

submission deadline 30 Aug 2026 | 1 articles | Viewed by 1214 | Submission Open

Keywords: soft robot; micro robots; industrial robot; control strategy; measurement and inspection; intelligent operation and maintenance; advanced sensors and micro-sensors integration

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

Advanced Magnetoelastic Immunosensors and Their Applications

edited by

Zhongyun Yuan

submission deadline 30 Aug 2026 | Viewed by 275 | Submission Open

Keywords: magnetoelastic sensors; magnetostrictive materials; magnetoelastic coupling; immunosensors; smart sensing

Recent Progress of Lab-on-a-Chip Assays

edited by

and

submission deadline 31 Aug 2026 | 12 articles | Viewed by 39994 | Submission Open

Keywords: 3D printed devices; wearable devices; biosensors; point-of-care testing; lateral flow assays; immunoassay; nanomaterials; additive manufacturing.

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

Micro/Nanostructures in Sensors and Actuators, 2nd Edition

edited by

Cong Wang

and

Shulan Jiang

submission deadline 31 Aug 2026 | 16 articles | Viewed by 31146 | Submission Open

Keywords: micro/nano fabrication; micro/nano structure; sensors and actuators; MEMS; BioMEMS

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

Micro-Energy Harvesting Technologies and Self-Powered Sensing Systems

edited by

Zhaozheng Wang

, Tianzhao Bu and

Jianhua Zeng

submission deadline 31 Aug 2026 | 15 articles | Viewed by 25279 | Submission Open

Keywords: micro-energy harvesting; self-powered sensing; functional materials; micro fabrication; wearable devices

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

Micro-/Nanofluidic and Lab-on-a-Chip Devices for Biomedical Applications, 3rd Edition

edited by

Senhorinha de Fátima Capela Fortunas Teixeira

Diana Pinho

and

Violeta Carvalho

submission deadline 31 Aug 2026 | 8 articles | Viewed by 14725 | Submission Open

Keywords: micro- and nanofluidics; lab-on-a-chip; biosensing; nanoparticles; drug delivery systems; 3D organ models; nanotechnology; numerical simulations

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

Nanogenerators: Design, Fabrication and Applications

edited by Junqing Zhao and

Xiaojing Mu

submission deadline 31 Aug 2026 | 1 articles | Viewed by 8276 | Submission Open

Keywords: nanogenerator; micro- and nano-manufacturing; nanotechnology; energy harvesting; nanoelectronics

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

Micro/Nano Optical Devices and Sensing Technology

edited by

Zhidong Zhang

submission deadline 31 Aug 2026 | 6 articles | Viewed by 7789 | Submission Open

Keywords: micro/nano optical devices; optical sensing; photonic crystals; plasmonic resonance; metasurfaces; micro/nano fabrication

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

Novel RF Nano- and Microsystems

edited by Zhongqian Niu

submission deadline 31 Aug 2026 | 4 articles | Viewed by 5691 | Submission Open

Keywords: RF Nano- and Microsystems; millimeter-wave and terahertz filters; millimeter-wave and terahertz mixers; millimeter-wave and terahertz multipliers; millimeter-wave and terahertz front end

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

Research Progress of Ultra-Precision Micro-Nano Machining, Second Edition

edited by

Huaizhong Li

and Xiubing Jing

submission deadline 31 Aug 2026 | 5 articles | Viewed by 3735 | Submission Open

Keywords: ultra-precision machining; micro-nano machining; micro-nano chip formation; process modeling and simulation; process automation and optimization

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

Microwave/Millimeter-Wave Devices and Metasurfaces

edited by

Ruizhi Liu

Chang Ding

and

Guo Liu

submission deadline 31 Aug 2026 | 6 articles | Viewed by 3437 | Submission Open

Keywords: metasurface; reconfigurable intelligent surface; reflecting modulation

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

Innovations in 3D Printing Technologies: From Microfabrication to Functional Applications

edited by

Panagiotis Kyratsis

submission deadline 31 Aug 2026 | 2 articles | Viewed by 3426 | Submission Open

Keywords: 3D printing technologies; additive manufacturing; artificial intelligence (AI) in 3D printing; sustainability in 3D printing; multi-material printing

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

MEMS Gas Sensors and Electronic Nose

edited by Wenfeng Shen and Jun Yu

submission deadline 31 Aug 2026 | 1 articles | Viewed by 2005 | Submission Open

Keywords: MEMS semiconductor gas sensors; MEMS optical gas sensors; electronic nose and its applications

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

Micro/Nano Sensors and Actuators for Biomedical Applications: Novel Materials, Innovative Designs, and Emerging Functions

edited by

Zhongjing Ren

and Ziran Wang

submission deadline 31 Aug 2026 | 3 articles | Viewed by 1833 | Submission Open

Keywords: sensors; biosensors; micro/nano actuators; bio-inspired composites; field-effect transistor; gas sensors; integrated systems; flexible electronics; nanomaterials; aptamer-based biosensors; self-powered sensing; multifunctional integration

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

Micro/Nano-Enabled Sensors and Systems for Environmental Monitoring: Innovation and Applications

edited by

Lijuan Liang

submission deadline 31 Aug 2026 | 2 articles | Viewed by 1683 | Submission Open

Keywords: environmental monitoring; micro/nano sensors; biosensors; MEMS/NEMS; soil and water sensors; wearable environmental sensors; smart agriculture sensors; lab-on-a-chip for environmental analysis; chemical and gas sensors; optical and electrochemical sensors; nanomaterials in sensor development

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

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