Results 71 to 80 of about 59,938 (266)

In vitro determination of genotoxicity and cytotoxicity induced by stainless steel brackets with and without surface coating in cultures of oral mucosal cells

BMC Oral Health
Background Orthodontics is a speciality of dentistry that uses a plethora of devices made from myriad materials to manage various malocclusions. Prolonged contact of orthodontic appliances with oral tissues can lead to cellular damage, highlighting the ...
Dhruv Ahuja, Nidhin Philip Jose, Rozy Kamal, Vinaya Panduranga, Supriya Nambiar, Arun M. Isloor   +5 more
doaj   +1 more source

Efficacies of mineral trioxide aggregate and bioceramic root canal sealer with two types of gutta-percha toward the apical leakage

Scientific Dental Journal, 2020
Background: Mineral trioxide aggregate (MTA) is the most widely used material in endodontics, and recently, it has been used as an endodontic sealer.
Christian Eka Pramudita, Bernard Ongki Iskandar, Wiena Widyastuti, Didi Nugroho Santosa   +3 more
doaj   +1 more source

Multimodal Soft Surgical Robots Enabled by Eco‐Degradable, Sterilizable Polymers and Transient Electronics

Advanced Functional Materials, EarlyView.
A compostable PGS soft surgical robot with interchangeable modules integrates transient Mo tactile and Si thermal sensors for dual feedback. The device preserves its function after clinical‐grade sterilization, demonstrates stable actuation and cardiac tissue grasping with real‐time in vivo pulsatile monitoring, and biodegrades post‐use with soil‐safe, 
Minseong Chae, Kyung‐Sub Kim, Gyeong‐Seok Hwang, Jun‐Seok Shim, Sung‐Woo Kim, Yong‐Wu Kim, Jieun Han, Jae‐Young Bae, Jae‐Hwan Lee, Minjung Chae, Jooik Jeon, Joo‐Hyeon Park, You‐Jung Park, Ju‐Yong Lee, Sung‐Geun Choi, Min‐Ha Oh, Yong‐Joong Shin, Young‐In Ryu, Ji‐Woo Gu, Seong‐Yu Choi, Jeong‐Yun Sun, Jung Keun Hyun, Myoung‐Ryul Ok, Sang Yup Kim, Edyta Wyszkowska, Ju‐Young Kim, Kang‐Sik Lee, Seung‐Kyun Kang   +27 more
wiley   +1 more source

Tissue‐Stimulator Platform for Electrically Stimulating Pancreatic β‐Cells for Long‐Term Functional Regulation

Advanced Functional Materials, EarlyView.
We present a tissue‐stimulator platform for seamless electrode integration with pancreatic tissue, applying uniform electrical stimulation through optimized design with biohybrid 3D printing. Advantageous effects of electrical stimulation on β‐cell function were observed, including enhanced calcium signaling, islet morphology, and maturation.
Jihwan Kim, Uijung Yong, Myungji Kim, Jaewook Kim, Yeonggwon Jo, In Kyong Shim, Song Cheol Kim, Jinah Jang   +7 more
wiley   +1 more source

Design Strategies and Emerging Applications of High‐Performance Flexible Piezoresistive Pressure Sensors

Advanced Functional Materials, EarlyView.
Flexible piezoresistive pressure sensors underpin wearable and soft electronics. This review links sensing physics, including contact resistance modulation, quantum tunneling and percolation, to unified materials/structure design. We highlight composite and graded architectures, interfacial/porous engineering, and microstructured 3D conductive networks
Feng Luo, Artur Ciesielski, Paolo Samorì   +2 more
wiley   +1 more source

Engineering Intelligent Graphene Oxide‐Cellulose Membranes: Suppressing Thermal Runaway for a Safer Aqueous Zinc‐Ion Batteries

Advanced Functional Materials, EarlyView.
A novel thermos‐responsive hydroxypropyl cellulose/graphene oxide (HPC/GO) composite membrane is fabricated for reversible temperature‐gated ion transport in aqueous zinc‐ion batteries. Enabled by LCST‐driven structural transition, unimpeded ion diffusion at room temperature delivers high capacity, while elevated temperature suppresses transport; full ...
Xueli Bi, Kou Yang, Shushen Zheng, Juncheng Wang, Meng Li, Zhenzhen Wu, Yulin Zhong, Daria V. Andreeva, Kostya S. Novoselov, Shanqing Zhang   +9 more
wiley   +1 more source

Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications

Advanced Functional Materials, EarlyView.
Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi, Norma Mallegni, Andrea Dorigato, Mario Milazzo   +3 more
wiley   +1 more source

Evaluation of Antimicrobial Effect of Biologically Safe Selenium Nanoparticles-coated Clear Aligner—An In vitro Study

Journal of Indian Orthodontic Society
Objective To synthesize selenium nanoparticles (SeNPs) from plant extract, characterize them, coat them on clear aligners, and evaluate their cytotoxicity and antimicrobial activity.
Hemamalini D, Priya Riona Mary, Shahul Hameed Faizee KM, Xavier Dhayananth   +3 more
doaj   +1 more source

Toolbox for fabricating biocompatible microstructured templates by molding soft materials

Micro and Nano Engineering
In vitro cell culturing is essential for evaluating therapeutics in preclinical drug development. However, standard 2D cultures are limited for mimicking in vivo conditions.
Louise von Lacroix, Nikolas Ohl, Franziska Esmek, Rukan Nasri, Jeremy Teuber, Paul Stützle, Silvia Albertini, Nicole Fischer, Manja Czech-Sioli, Irene Fernandez-Cuesta   +9 more
doaj   +1 more source

ADHESION OF BIOCOMPATIBLE TiNb COATING

Acta Polytechnica CTU Proceedings, 2017
Preparation of a coating with a high quality requires good adhesion of the film to the substrate. The paper deals with the adhesion of biocompatible TiNb coating with different base materials.
Tomas Kolegar, Martin Matousek, Monika Vilemova, Vladimir Stary   +3 more
doaj   +1 more source