Results 41 to 50 of about 11,584 (265)

Nanotherapies for Atherosclerosis: Targeting, Catalysis, and Energy Transduction

Advanced Healthcare Materials, EarlyView.
Atherosclerosis management is hindered by poor drug targeting and plaque heterogeneity. Nanotechnology overcomes these barriers via three core strategies: (1) target‐engineered nanocarriers that achieve lesion‐specific precision via ligand modification, biomimetic camouflage, stimuli‐responsive release, and self‐propelling nanomotors; (2) catalytic ...
Yuqi Yang, Jingguo Qu, Tonghuan Xiao, Xinyang Han, Michael Tin‐Cheung Ying   +4 more
wiley   +1 more source

Thermal Processing Creates Water‐Stable PEDOT:PSS Films for Bioelectronics

Advanced Materials, Volume 37, Issue 13, April 2, 2025.
Instead of using chemical cross–linkers, it is shown that PEDOT:PSS thin films for bioelectronics become water‐stable after a simple heat treatment. The heat treatment is compatible with a range of rigid and elastomeric substrates and films are stable in vivo for >20 days.
Siddharth Doshi, Margaux O. A. Forner, Pingyu Wang, Salim El Hadwe, Amy T. Jin, Gerwin Dijk, Kenneth Brinson, Juhwan Lim, Antonio Dominguez‐Alfaro, Carina Yi Jing Lim, Alberto Salleo, Damiano G. Barone, Guosong Hong, Mark L. Brongersma, Nicholas A. Melosh, George G. Malliaras, Scott T. Keene   +16 more
wiley   +1 more source

Prediction Model of Drilling Performance for Percussive Rock Drilling Tool

Advances in Civil Engineering, 2020
This study suggests a method for quantitatively estimating the drilling performance of the down-the-hole (DTH) hammer during percussive drilling of rock surfaces. A pneumatic dynamic model of the DTH hammer was developed that considers the mass flow rate
Dae-Ji Kim, Jaewon Kim, Booyeong Lee, Min-Seok Shin, Joo-Young Oh, Jung-Woo Cho, Changheon Song   +6 more
doaj   +1 more source

Application of Reaming Drill Bit in Horizontal Directional Well

Meikuang Anquan, 2020
The reaming drill bit wrapped with mud in long-distance horizontal directional well will lead to drilling time delay and trajectory deviation from the original wellbore.
LI Peng, MO Haitao, ZHANG Qiang, LI Zijian
doaj   +1 more source

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

Advanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa, Gracia Mendoza, Silvia Irusta, Manuel Arruebo   +3 more
wiley   +1 more source

Water Permeates and Plasticizes Amorphous Carbon Dots: Unraveling the Inner Accessibility of the Nanoparticles by Glass Transition Studies

Advanced Materials, EarlyView.
The water permeability of amorphous carbon dots (CDs) is demonstrated by investigating their plasticization. Novel polyamide‐based and amorphous nanoparticles are synthesized by controlling their inner packing density. Water plasticization is evidenced by the decrease of the CDs glass transition temperature with increasing the hydration degree.
Elisa Sturabotti, Valerio Di Lisio, Lucia Cardo, Alessandro Camilli, Estela Moretón Alfonsín, Daniele Cangialosi, Amaia Iturrospe Ibarra, Arantxa Arbe, Maurizio Prato   +8 more
wiley   +1 more source

Vibration and Control Characteristics of Downhole Drill String System

Shiyou jixie, 2022
Stick slip vibration seriously affects the life of drill string system,prolongs the drilling cycle,and endangers the safety of staff.In order to solve the problem of stick slip vibration caused by linear torque load and friction load in drilling ...
Ma Sunan, Yi Xianzhong, Zhou Yuanhua, Zhang Hua, He Jingbin, Wang Yanbin, Ma Xiqi   +6 more
doaj  

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

Advanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades, Pedro Hidalgo, David Maestre, Ruth Martínez‐Casado, Emilio Nogales, Beatriz Rodríguez, G. Cristian Vásquez, Bianchi Méndez   +7 more
wiley   +1 more source

Functional Metal Complexes for Solar–Light‐Driven Energy Conversion

Advanced Materials, EarlyView.
This review provides an exhaustive summary of the recent advancements of functional metal complexes in solar‐to‐electrical, ‐chemical, and ‐thermal energy conversion, comprising material categories, design strategies, underlying principles of operation, and identified improvement of performances.
Yanyan Qin, Dou Luo, Miao Zhang, Wai‐Yeung Wong   +3 more
wiley   +1 more source

Numerical Investigation of the Nonlinear Drill String Dynamics Under Stick–Slip Vibration

Vibration
This paper presents a comprehensive analysis of the influence of rotary table velocity, weight-on-bit, and viscous damping on the drill string stick–slip vibration.
Mohammad Javad Moharrami, Hodjat Shiri, Clóvis de Arruda Martins   +2 more
doaj   +1 more source