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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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Materials and Devices for Advanced Thermal Energy Harvesting and Management

edited by Amin Nozariasbmarz

submission deadline 31 May 2026 | Viewed by 115 | Submission Open

Keywords: thermoelectric materials and devices; waste heat recovery; thermal management; body power harvesting; thermoelectric generators; thermoelectric coolers; thermal energy harvesting; phase change materials; thermomagnetic materials; pyroelectric materials

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

Electrochemical Microsensors: Pioneering Solutions for Health and Sustainability

edited by

Kenneth E. Madsen

submission deadline 31 May 2026 | Viewed by 101 | Submission Open

Keywords: electrochemical sensors; microsensors; analytical chemistry; biosensing; point-of-care; environmental sensing; sustainability

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

Optoelectronic Integration Devices and Their Applications

edited by

Binfeng Yun

submission deadline 31 May 2026 | Viewed by 94 | Submission Open

Keywords: optoelectronic integration; integrated optical signal processing; integrated photonic sensing; integrated microwave photonics; integrated optical computing

(This special issue belongs to the Section A1: Optical MEMS and Photonic Microsystems)

Two-Dimensional Materials and Van der Waals Heterostructures: Devices and Applications

edited by Junhui Yuan and Yunlai Zhu

submission deadline 31 May 2026 | Viewed by 87 | Submission Open

Keywords: 2D materials; van der Waals heterostructures; field-effect transistors; photodetectors; sensors; energy storage; optoelectronics

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

Microrobots: Design, Fabrication and Application

edited by

Hao Zhang

submission deadline 31 May 2026 | Viewed by 87 | Submission Open

Keywords: microrobots; microfabrication; actuation mechanisms; biomedical microrobots; lab-on-a-chip

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

Wide and Ultrawide Bandgap Semiconductors: Materials, Devices, and Applications

edited by Fangpei Li and

Wenbo Peng

submission deadline 31 May 2026 | Viewed by 80 | Submission Open

Keywords: wide/ultrawide bandgap; power semiconductor device; Schottky barrier diode; VDMOSFET; physical sensors; chemical sensors

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

Carbon-Based Electronic Devices: Recent Advances and Future Challenges

edited by

Katarzyna Fendrych

and

Katarzyna Jedlińska

submission deadline 31 May 2026 | Viewed by 73 | Submission Open

Keywords: carbon-based materials; graphene; carbon nanotubes; organic semiconductors; quantum dots; flexible electronics; sensors; transistors; energy storage and conversion; optoelectronic devices

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

Light-Driven Manipulation and Optoelectronic Tweezers: From Optomechanics to Micro/Nano-Robotics

edited by Hani Barhum,

Mohammad Attrash

and Toms Salgals

submission deadline 31 May 2026 | Viewed by 66 | Submission Open

Keywords: light-driven manipulation; optoelectronic tweezers; optomechanics; micro/nano-robotics; micro/nano-particles

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

Recent Advances in Fiber Optic Biosensor

edited by

Xuegang Li

and

Wei Wang

submission deadline 31 May 2026 | Viewed by 60 | Submission Open

Keywords: fiber-optic biosensor design; micro/nano-fabrication; fiber photometry; real-time diagnostics; label-free detection; implantable biosensor; flexible wearable sensors; minimally invasive sensing; real-time diagnostics; fiber-optic theranostics

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

Piezoelectric Materials, Devices, and Integrated Systems: From Fundamentals to Applications

edited by

Tianlong Zhao

Dongdong Chen

and

Di Li

submission deadline 31 May 2026 | Viewed by 59 | Submission Open

Keywords: piezoelectric materials; piezoelectric devices; integrated circuits; integrated systems; mathematical models; optimization algorithms; intelligent design; advanced processes; 3D integration

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

Diamond Devices: Design, Fabrication and Applications

edited by

Guo Chen

and Zilong Zhang

submission deadline 31 May 2026 | Viewed by 57 | Submission Open

Keywords: diamond devices; MEMS/NEMS; power electronics; optoelectronics; sensors; high-power switches; high-frequency transistors; quantum devices

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

Intelligent RF Microsystems for Next-Generation Communication and Sensing

edited by Lei Sang and

Paulo Mateus Mendes

submission deadline 31 May 2026 | Viewed by 56 | Submission Open

Keywords: microsystems; wireless sensors; intelligent RF systems

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

Advances in Design, Growth, and Optoelectronic Applications of Crystal Materials

edited by Xiaolong Liu

submission deadline 31 May 2026 | Viewed by 25 | Submission Open

Keywords: crystal materials; optoelectronic; detector; solar cell

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

MEMS Inertial Device, 3rd Edition

edited by

Huiliang Cao

submission deadline 20 Jun 2026 | 2 articles | Viewed by 1283 | Submission Open

Keywords: MEMS inertial device; MEMS inertial device controlling method; inertial device signal processing; MEMS inertial device modeling and simulation; MEMS gyroscope; MEMS accelerometer

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

Microfluidics for Bioanalysis: From Sample Preparation to Integrated Detection

edited by

Yang Jun Kang

submission deadline 25 Jun 2026 | Viewed by 99 | Submission Open

Keywords: blood-on-a-chip for quantification of hemorheological properties; single cell morphology analysis of bio-sample; mathematical modeling under micro-scale physics; disposable microfluidic device for POCT test; experimental visualization technique under microfluidic platform; microfluidic device for quantifying heterogeneity of red blood cells; microfluidic device for handing or analyzing biofluids; blood-on-a-chip; disposable POCT device; heterogeneity of RBCs; on-chip detection of hemorheological properties of blood; POCT device to evaluate RBCs’ flow properties; microfluidic systems with integrated sensors for single-red-blood-cell analysis

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

Piezoelectric MEMS/NEMS—Materials, Devices, and Applications, Third Edition

edited by

Wei Li

submission deadline 30 Jun 2026 | 6 articles | Viewed by 13970 | Submission Open

Keywords: piezoelectric sensors and actuators; microrobotics; piezoelectric MEMS resonators; acoustic MEMS devices; surface acoustic wave devices; energy-harvesting technologies; simulation and modeling of piezoelectric MEMS; application of smart materials in MEMS; micro/nanofabrication

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

Structural Analyses and Designs for Flexible/Stretchable Electronics, 3rd Edition

edited by

Rui Li

submission deadline 30 Jun 2026 | 6 articles | Viewed by 11530 | Submission Open

Keywords: flexible electronics; stretchable electronics; wearable electronics; bioelectronics; implantable electronics; flexible/stretchable electronic materials; flexible/stretchable electronic structures; flexible/stretchable electronic components; structural analyses; structural designs; structural optimization

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

GaN-Based Materials and Devices: Research and Applications, 2nd Edition

edited by Wei Liu and Kun Wang

submission deadline 30 Jun 2026 | 5 articles | Viewed by 3020 | Submission Open

Keywords: group III-nitrides semiconductors; epitaxial growth and fabrication; Al(In)GaN heterostructure; polarization and piezoelectric effect; nanostructures for wide bandgap materials; RF and power devices; display and illumination applications; novel design concepts; device simulation

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

Advanced Biomaterials, Biodevices, and Their Application

edited by

Luis Jesús Villarreal-Gómez

Jose Manuel Cornejo-Bravo

and

Faruk Fonthal Rico

submission deadline 30 Jun 2026 | 1 articles | Viewed by 1954 | Submission Open

Keywords: advanced biomaterials; biodevices; biomedical engineering; biomaterials science; biocompatibility; smart materials; nanomaterials for biomedicine; functionalized polymers; biopolymer composites; sustainable biomaterials; tissue engineering; regenerative medicine; drug delivery systems; diagnostics; therapeutic devices; biosensors; bioelectronics; wearable devices; implantable technologies; soft robotics; biofabrication; 3D printing of biomaterials; microfabrication techniques; material– device integration; clinical translation of biodevices; electrospinning

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

Preparation, Manipulation, and Biomedical Applications of Micro/Nanodroplets/Fluids

edited by Xing Han and

Jiaqian Li

submission deadline 30 Jun 2026 | 1 articles | Viewed by 982 | Submission Open

Keywords: droplets; microfluidics; biomedical applications; droplet preparation; micro/nanoscale

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

Electrokinetic Principles in Biological and Biomedical Systems

edited by Gongchen (GC) Sun

submission deadline 30 Jun 2026 | 1 articles | Viewed by 937 | Submission Open

Keywords: electrokinetics; micro/nanofluidics; electrophoresis; dielectrophoresis; electroosmosis; ion concentration polarization; charge separation; membrane potential; electrotaxis; cell signaling

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

Advanced Intelligent Robotic Systems: From Microrobots to Wearable Robots, 2nd Edition

edited by Jing Luo, Weiyong Si,

Muye Pang

Chenguang Yang

and Zhou Zhao

submission deadline 30 Jun 2026 | 1 articles | Viewed by 856 | Submission Open

Keywords: microrobots; wearable robots; robot manipulation

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

Recent Progress in Biosensors for Clinical Diagnostics, Food Quality Control, and Environmental Monitoring

edited by

Viktoriya Pyeshkova

submission deadline 30 Jun 2026 | 1 articles | Viewed by 658 | Submission Open

Keywords: electrochemical biosensors; nanostructured materials; biosensor systems; point-of-care diagnostics; wearable and implantable biosensors; microfluidics and lab-on-chip devices; machine learning in biosensing; biosensor applications in healthcare; food safety; and environmental monitoring

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

Advances in CMOS Integrated Sensors and Biosensors

edited by

Saghi Forouhi

Ebrahim Ghafar-Zadeh

and

Alireza Saberkari

submission deadline 30 Jun 2026 | 1 articles | Viewed by 515 | Submission Open

Keywords: complementary metal– oxide– semiconductor (CMOS); integrated sensors; integrated biosensors; CMOS sensing transducers; smart sensors; lab-on-chip; low-power sensors; IoT-enabled sensors; high-throughput sensing arrays; CMOS-based sensing techniques

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

Next-Generation Biomedical Devices

edited by Kyowon Kang and

Hee-Jae Jeon

submission deadline 30 Jun 2026 | 1 articles | Viewed by 462 | Submission Open

Keywords: wearable devices; implantable devices; neuromorphic devices; organ-on-chip; biosensors; wireless communication; energy harvesting; low-power biomedical devices; bioelectronic integrated circuits; physiological sensing; physiological stimulation

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

Power Semiconductor Devices and Integration Technology

edited by Jie Wei

submission deadline 30 Jun 2026 | 1 articles | Viewed by 296 | Submission Open

Keywords: high voltage devices; low voltage devices; power IC device technology; power IC design; wide bandgap semiconductor (GaN; SiC; GaO; and so on)

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

Nanoparticles in Tissue Engineering and Regenerative Medicine

edited by

Dong Kee Yi

Sitansu Sekhar Nanda

and

Seong Soo A. An

submission deadline 30 Jun 2026 | Viewed by 263 | Submission Open

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

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

Emerging Technologies and Applications for Semiconductor Industry

edited by

Nian Cai

, Han Wang and

Zuyong Wang

submission deadline 30 Jun 2026 | Viewed by 253 | Submission Open

Keywords: emerging semiconductor materials; advanced processing and fabrication techniques; materials for semiconductor devices; semiconductor material characterization; sustainability and recycling; semiconductor components and equipment; semiconductor testing and metrology

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

AI-Driven Biofabrication: Accelerating Design, Optimization, and Translation

edited by

Miriam Filippi

submission deadline 30 Jun 2026 | Viewed by 154 | Submission Open

Keywords: biofabrication; machine learning; artificial intelligence; predictive modeling; high-throughput experimentation; simulation-based design; process optimization; scalability; sustainable engineering; material design; cell behavior prediction

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

Additively Manufactured Microchannels: Microfluidics and Microscale Thermal Management

edited by

Pamela Vocale

submission deadline 30 Jun 2026 | Viewed by 97 | Submission Open

Keywords: additive manufacturing; microchannel geometry optimization; innovative microchannel geometries; microscale thermal management; heat transfer enhancement; microfluidics

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

Microfluidics-Based Drug Screening and Delivery Technology

edited by

Ciprian Iliescu

and

Florina Silvia Iliescu

submission deadline 30 Jun 2026 | Viewed by 87 | Submission Open

Keywords: microfluidics; micro and nanotechnology; drug delivery; drug screening; drug carriers; microphysiological systems; transdermal drug delivery; microneedles; personalized medicine

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

Active Propelled Micro/Nano Technologies in Drug Delivery: Design, Fabrication and Applications

edited by

Zhaoqing Cong

submission deadline 30 Jun 2026 | Viewed by 74 | Submission Open

Keywords: nano/microrobots; self-propelled; active propulsion; drug delivery; nanomedicine

(This special issue belongs to the Section B5: Drug Delivery System)

Alternative-Material Semiconductor Devices

edited by

Yinghui Zhong

and Peng Ding

submission deadline 30 Jun 2026 | Viewed by 70 | Submission Open

Keywords: semiconductor device fabrication; wide-bandgap semiconductor devices; emerging semiconductor materials and devices; semiconductor device modeling and simulation; semiconductor devices for rf and power electronics; semiconductor optoelectronic devices; novel architectures of semiconductor devices

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

Critical Materials and Components for High-Performance Magnetic Encoders in Robotics and Unmanned Systems

edited by

Chiao-Chi Lin

submission deadline 30 Jun 2026 | Viewed by 64 | Submission Open

Keywords: magnetic encoders; magnetic sensors; hard magnets; readout ICs; positioning accuracy; unmanned systems

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

Advanced Neuroelectronics and Its Applications

edited by Abijeet Mehta

submission deadline 30 Jun 2026 | Viewed by 63 | Submission Open

Keywords: neuroelectronics; bioelectronic medicine; neural interfaces; biosensors; conductive biomaterials; brain-computer interfaces; neurostimulation; tissue regeneration; organic electrochemical transistors; precision medicine

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

Advances in Bioprototyping Techniques

edited by

Luciano Paulino Silva

submission deadline 30 Jun 2026 | Viewed by 55 | Submission Open

Keywords: bioprinting; biomaterials for prototyping; bioprototyping; multi-cellular and heterogeneous tissue models; integration of sensors and electronics; computational modeling and AI; low-cost and accessible platforms

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

Quartz Resonators and Their Application in Frequency Devices and Sensors

edited by

Hongping Hu

and Feng Zhu

submission deadline 30 Jun 2026 | Viewed by 54 | Submission Open

Keywords: quartz resonators; frequency stability; sensors; oscillators; multiphysics modeling; structural optimization; MEMS fabrication; electronic packaging

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

Intelligent Hydrogels: Microdevices and Biomedical Applications

edited by

Kewen Lei

, Xiangyu Liang and Xin Yang

submission deadline 30 Jun 2026 | Viewed by 54 | Submission Open

Keywords: intelligent hydrogels; stimuli-responsive hydrogels; self-healing hydrogels; controlled drug delivery; tissue engineering; biosensing and diagnostics; microdevices and microfluidics; lab-on-a-chip/organ-on-a-chip; microrobots and actuators; bioinspired hydrogels; translational hydrogel technologies

(This special issue belongs to the Section D2: Biomaterial Devices)

Ferroelectric Materials, Devices and Applications

edited by Huan Liu and

Rusen Yang

submission deadline 30 Jun 2026 | Viewed by 43 | Submission Open

Keywords: ferroelectric; FeRAM; FeFET; memory; electro-optical

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

Electrochemical Biosensors and Bioelectronic Microdevices for Point-of-Care and Wearable Applications

edited by Shuto Osaki and

Eiichi Tamiya

submission deadline 30 Jun 2026 | Viewed by 32 | Submission Open

Keywords: electrochemical biosensors; nanomaterials; aptamer-based sensing; enzymatic and immune sensing; electrochemical impedance spectroscopy (EIS); voltammetry and amperometry; electrochemiluminescence (ECL); microfluidic and wearable platforms; point-of-care testing; surface engineering; wireless and IoT-enabled sensing; bio-battery; environmental and clinical diagnostics; microneedles

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

Multiphase Microfluidics: Transport, Interfaces and Dynamics

edited by Bingqiang Ji and Chenliang Xia

submission deadline 30 Jun 2026 | Viewed by 29 | Submission Open

Keywords: multiphase microfluidics; interfacial dynamics; droplet; bubble; emulsions; phase change; microscale transport; cavitation; surface tension; wettability; microfabrication; thermal– fluid interaction; reactive multiphase flow; lab-on-a-chip; bioinspired microfluidics

Advances in Power Microelectronics and Chips

edited by Zhi Lin

submission deadline 30 Jun 2026 | Viewed by 27 | Submission Open

Keywords: advanced silicon-based power devices; advanced wide bandgap semiconductor power devices; power integrated circuits; power integration technology; on-chip power supply; emerging materials in power chips

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

Intelligent Control of Microsystems: From Nonlinear Dynamics to Soft Computing

edited by

Luigi Fortuna

submission deadline 30 Jun 2026 | Viewed by 21 | Submission Open

Keywords: nonlinear MEMS; automatic control; high-reliability; soft computing; quantum MEMS

Soft Embodied AI: The Convergence of Flexible Systems and Intelligent Microrobotics

edited by

Zhigang Wu

and Guoqiang Xu

submission deadline 30 Jun 2026 | Viewed by 20 | Submission Open

Keywords: soft embodied AI; flexible microsystems; intelligent microrobotics; soft microrobots; micro/nano fabrication; intelligent soft materials; microscale robotics integration; soft robotics applications

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

Progress in Micro-Nano Additive Manufacturing

edited by

Shenggui Liu

and

Duc Truong Pham

submission deadline 30 Jun 2026 | Viewed by 13 | Submission Open

Keywords: 3D printing; micro– nano additive manufacturing; materials; modeling and simulation; characterization and performance; post-processing; surface polishing for AM; electrochemical additive manufacturing; applications

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

Wearable Electronics and Sensory Devices

edited by Doga Doganay and Husnu Emrah Unalan

submission deadline 30 Jun 2026 | Viewed by 10 | Submission Open

Keywords: wearable electronics; flexible and stretchable sensors; self-powered sensors; skin-conformal electronics; soft robotics interfaces; physiological monitoring

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

Laser Precision Processing Technologies and Equipment for Aerospace Materials

edited by