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Capacitive pressure sensors based on bioinspired structured electrode for human-machine interaction applications.
Biosens Bioelectron
March 2025
Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun, Jilin, 130022, China; The National Key Laboratory of Automotive Chassis Integration and Bionics (ACIB), College of Biological and Agricultural Engineering, Jilin University, Changchun, 130022, China; Institute of Structured and Architected Materials, Liaoning Academy of Materials, Shenyang, 110167, China.
Flexible pressure sensor is a crucial component of tactile sensors and plays an integral role in numerous significant fields. Despite the considerable effort put forth, how to further improve sensitivity with ingenious yet easy-to-manufacture structures and apply them to emerging fields such as structure/materials recognition, human motion monitoring, and human-machine interaction remains a challenge. Here, we develop a highly sensitive flexible capacitive pressure sensor featuring a structured electrode layer with embedded microcracks and a dielectric layer with micro-convex structures, which are combined with an iontronic interface.
View Article and Find Full Text PDFEsthetic Twin Block Approach for Correction of Developing Class II Division 1 Malocclusion of an 11-year-old Female Patient: A Case Report.
Int J Clin Pediatr Dent
October 2024
Department of Pediatric and Preventive Dentistry, Bharati Vidyapeeth (Deemed to be University), Dental College and Hospital, Navi, Mumbai, Maharashtra, India.
Unlabelled: An 11-year-old female patient with developing class II division 1 malocclusion having retrognathic mandible and crowding in the lower arch, horizontal growth pattern, with convex profile, hyperactive mentalis muscle, positive visual treatment objective (VTO) in cervical vertebral maturation indicator (CVMI) stage 4 was planned to be treated using modification of conventional twin block appliance. Though a wide variety of myofunctional appliances like activator, Bionator, and Frankel appliances can be delivered to the patient, twin block appliance being a mechanofunctional appliance is routinely preferred by operators due to simplicity of its design and construction in comparison to other appliances. One of the biggest challenges in management of growing patients with skeletal class II malocclusion is the compliance of patients in wearing the myofunctional appliances.
View Article and Find Full Text PDF[Tooth Design of Ophthalmic Microsurgical Forceps Based on Minimum Slip Force].
Zhongguo Yi Liao Qi Xie Za Zhi
November 2024
School of Mechanical Engineering and Automation, Beihang University, Beijing, 100083.
This study proposed the use of the minimum slip force as an indicator to measure the clamping ability of microsurgical forceps. By analyzing the minimum slip forces of four typical tooth types of microsurgical forceps, the clamping capacity of each type was evaluated. Among the existing tooth forms, the staggered tooth type exhibited a relatively large minimum slip force.
View Article and Find Full Text PDFA Low-Cost Microfluidic Device For the On-Line Counting of Microparticle/Bacteria.
Electrophoresis
December 2024
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an JiaoTong University, Xi'an, People's Republic of China.
On-line counting of the microparticle/bacteria in the liquid medium has great potential in the food safety and biomedical fields. A new low-cost microfluidic device is proposed for the on-line counting of the microparticles/bacteria in the liquid medium. The gradually contracted microchannel and the viscoelastic fluid are combined to achieve the efficient elastic focusing of the particle/bacteria, which significantly improves the counting accuracy by aligning all particles/bacteria in a single position at the center of the microchannel.
View Article and Find Full Text PDFDosimetric optimization for dynamic mixed beam arc therapy (DYMBARC).
Med Phys
January 2025
Division of Medical Radiation Physics and Department of Radiation Oncology, Inselspital, Bern University Hospital, and University of Bern, Bern, Switzerland.
Background: Non-coplanarity and mixed beam modality could be combined to further enhance dosimetric treatment plan quality. We introduce dynamic mixed beam arc therapy (DYMBARC) as an innovative technique that combines non-coplanar photon and electron arcs, dynamic gantry and collimator rotations, and intensity modulation with photon multileaf collimator (MLC). However, finding favorable beam directions for DYMBARC is challenging due to the large solution space, machine component constraints, and optimization parameters, posing a highly non-convex optimization problem.
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