Results 41 to 50 of about 2,864 (108)

Wireless Capsule Device for Targeted and Safe Tissue Biopsy with Integrated Sensing

open access: yesAdvanced Materials Technologies, EarlyView.
This work presents a capsule device featuring a novel magnetically controlled biopsy mechanism for enhanced safety. The biopsy unit integrates a foldable linkage with dual magnets, creating a magnetic attraction–based safeguard, preventing unintended activation during locomotion. A flexible sensor provides real‐time penetration displacement sensing for
Kiyoung Kim   +5 more
wiley   +1 more source

Pressure‐Induced Structural and Optoelectronic Modulations in 2D Dion‐Jacobson Hybrid Lead Iodide Perovskites With a Rigid Spacer

open access: yesAdvanced Optical Materials, EarlyView.
Compression to ≈2.0 GPa results in a non‐monotonic enhancement of the Pb‐I bond distortion, rarely observed in other 2D lead‐iodide hybrid perovskites. The octahedral distortion together with the rigidity of spacer cation are found to play a dominant role in determining the optoelectronic properties of DPDAPbI4 under high pressure.
Aditya Kutty   +9 more
wiley   +1 more source

Development of High‐Performance Multilayer Monochromators

open access: yesAdvanced Optical Materials, EarlyView.
Detailed insights into the optical and multilayer design of Double Multilayer Monochromators (DMM) are presented and fully characterized, including key optimization strategies and solutions to fabrication challenges. By integrating in‐house Ion Beam Figuring and a high uniformity multilayer coating process, the developed DMMs achieve high reflectivity,
Wadwan Singhapong   +11 more
wiley   +1 more source

Biohybrid Actuators in Compact Arrangement with Embedded X Electrode

open access: yesAdvanced Robotics Research, EarlyView.
Selective control of multimuscle biohybrid actuators is crucial for achieving complex movements of biohybrid robots. In this study, embedded X electrodes are fabricated to selectively control multiple muscles, realizing the robotic finger's bidirectional movements.
Tingyu Li, Minghao Nie, Shoji Takeuchi
wiley   +1 more source

In Situ Photopolymerization of Smectic B Liquid‐Crystalline Electrolytes from Mesogenic Phosphate–Diacrylate/Ionic Liquid Complexes for High‐Performance Soft Ionic Actuators

open access: yesAdvanced Robotics Research, EarlyView.
A flexible liquid‐crystalline electrolyte membrane via in situ photopolymerization of a phosphate‐functionalized mesogen, ionic liquid, and diacrylate monomer is developed. The resulting smectic B (SmB)‐phase structure enables 2D ion transport with high conductivity (10−4 S cm−1).
Chengyang Liu, Masafumi Yoshio
wiley   +1 more source

Redrawing the Mannich‐Type Reaction through Carbonyl Umpolung Reactivity

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
GA: Herein, a conceptually novel one‐pot multicomponent strategy is reported for the streamlined construction of five‐membered imidazolidines from 1,2‐diaza‐1,3‐dienes (onefold), amines (twofold), and formaldehyde (twofold). This redesigned Mannich‐type reaction that exploits a carbene‐like activity of 1,2‐diaza‐1,3‐dienes (realized by “umpolung ...
Vittorio Ciccone   +4 more
wiley   +1 more source

One‐Pot Cascade Synthesis of Isoquinolinone‐Fused Quinoxalines Through Sequential Rh(III)/Pd(II) Catalysis

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
A new one‐pot, dual catalytic strategy for the synthesis of polycyclic isoquinolinone‐fused quinoxalines from commercially available N‐(2‐acetamidophenyl)benzamides and 1,3‐diynes is reported. This transformation proceeds via Rh(III)/Pd(II)‐mediated sequential NH/CH activation/annulation. Detailed mechanistic studies elucidate the reaction pathway. A
Wei‐Jung Chiu   +3 more
wiley   +1 more source

Ultrasensitive Detection of FKBP12 Using a Synthetic Receptor‐Functionalized QCM Nanoplatform

open access: yesAdvanced Sensor Research, EarlyView.
A reusable nanosensor platform for ultralow FKBP12 detection in physiological fluids is presented. Combining a gold‐coated QCM with a custom‐designed receptor in a self‐assembled monolayer, the device achieves picomolar sensitivity and high selectivity.
Martina Tozzetti   +8 more
wiley   +1 more source

Naphthalimide Derivatives as Film‐Based Fluorescent Sensors for Rapid Detection of Illicit Drugs

open access: yesAdvanced Sensor Research, EarlyView.
Four novel 1,8‐naphthalimide (NI) derivatives for the detection of illicit drugs with different substituents at the 4‐position are reported. Their contrasting fluorescence responses enables five illicit drugs to be distinguished from interferents with a mean classification accuracy of 81%.
Ming Chen   +7 more
wiley   +1 more source

Discovery of Surface‐Induced Resonance Shift of 4‐Nitrophenol Enabling Direct Monitoring of an Enzymatic Reaction

open access: yesAdvanced Sensor Research, EarlyView.
A surface‐modified porous silica consisting of acetyl‐protected mannose residue and co‐precipitated urea compounds promotes a distinct resonance shift of 4‐nitrophenol under neutral conditions upon interaction, that is revealed by confocal Raman spectroscopy. The quinone‐type resonance structure is favored over the phenol‐type.
Ayano Nakamura   +5 more
wiley   +1 more source

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