Results 201 to 210 of about 47,758 (263)

Upcycling Compact Discs Into Ultra‐Stable, Flexible, and Stretchable Nanoporous Gold Electrodes for Enhanced Biosensing Performance

Advanced Materials Technologies, EarlyView.
This article highlights the development of robust and high‐performance flexible and stretchable biosensors that maintain long‐term functionality and optimal electrical conductivity under mechanical deformation, utilizing sustainable and cost‐effective manufacturing principles.
Mousa H. Aldosari, Ahyeon Koh
wiley   +1 more source

Flexible Implantable Silicon Carbide Multi‐Electrode Array (MEA) for Cell Multichannel Recording and Cell Ablation

Advanced Materials Technologies, EarlyView.
Flexible silicon carbide (SiC) microelectrode arrays enable high‐fidelity, multichannel cell extracellular recording and precise localized ablation. SiC has been extensively evaluated to persist long‐term in chronic physiological conditions while remaining robust, with excellent electrical and electrochemical stability.
Minh Anh Huynh, Matthew Barton, Sharda Yadav, Tuan‐Khoa Nguyen, Nam‐Trung Nguyen   +4 more
wiley   +1 more source

Photolithographic Patterning of Colloidal Quantum Dots Enabled by Plasma‐Induced Ligand Polymerization

Advanced Materials Technologies, EarlyView.
Plasma‐induced ligand polymerization on colloidal quantum dots (QDs) renders them resistant to organic solvents, enabling conventional photoresist‐based photolithography. This approach achieves microscale patterning with feature sizes down to 3 µm, preserving the optical properties of the QDs and offering a simple and scalable route for QD‐based ...
Boram Kim, Jaehyeon Kim, Heeyeop Chae
wiley   +1 more source

Surface‐Plasmon‐Coupled Blue InGaN/GaN Micro‐LEDs with Oxide–Metal–Oxide Capping Layer Compatible to Chip Fabrication Process

Advanced Optical Materials, EarlyView.
A sidewall‐integrated oxide–metal–oxide architecture is demonstrated to overcome efficiency degradation in ultra‐small InGaN/GaN micro‐LEDs. Conformal Al2O3 passivation combined with plasmonic Ag nanoparticles enables localized surface plasmon–exciton coupling, converting surface‐related nonradiative losses into radiative emission.
Pil‐Kyu Jang, Lee‐Woon Jang, Ohbin Kwon, Yeong‐Hoon Cho, Sangbum Kim, Sang‐Ik Lee, Seungjae Baek, Jiwon Park, Myeongjun Choi, Jaeseung Kim, Taehwan Kim, Sung‐Un Kim, Min‐Seok Lee, Yong‐Ho Ra, Ki Hoon Nam, Seung Min Kwak, Alexander Y. Polyakov, In‐Hwan Lee   +17 more
wiley   +1 more source

Waveguide Geometry–Driven Trade‐Offs in Resonant Cavity Sensor Performance

Advanced Optical Materials, EarlyView.
Waveguide geometry governs the interplay between sensitivity, intrinsic Q‐factor, and wavelength noise in silicon nitride resonant sensors. Contrary to intuition, higher sensitivity does not ensure superior performance. Low‐noise, high‐Q ridge resonators achieve the lowest detection limits, revealing that detection is ultimately constrained by noise ...
Mohammad Talebi Khoshmehr, Bakiye Imran Akca, Mateusz Słowikowski, Drecka Dagmara, Marcin Juchniewicz, Ryszard Piramidowicz, Muhammad Ali Butt   +6 more
wiley   +1 more source

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Challenges of Gas Injection

2021
Gas injection operations are faced with important challenges. These challenges must be studied carefully before the operation in order to increase the gas injection efficiency. This chapter provides a review of the most important issues for designing the different gas injection methods.
Reza Azin, Amin Izadpanahi, Ali Ranjbar
openaire   +1 more source

Introduction to Gas Injection

2021
This chapter describes the different methods and the application of gas injection in the oil and gas industry and environmental purposes. For this purpose, first the worldwide hydrocarbon distribution is studied which categorized as conventional and unconventional resources.
Reza Azin, Amin Izadpanahi, Alireza Shahkarami   +2 more
openaire   +1 more source

Dual-purpose gas chromatographic injection device for pressurized liquid and gas injection

Journal of Chromatography A, 2009
A dual-purpose gas chromatographic injection device, capable of injecting pressurized liquid sample of up to 5000 psig and gas sample with a volume as high as 5000 microL, has been successfully developed and implemented. The injection device is synergized by the effectiveness of a classical flash vaporization of a syringe injection and the reliability ...
Jim, Luong, Ronda, Gras, Roger, Firor, Lyndon, Sieben, Bill, Winniford, Hernan, Cortes   +5 more
openaire   +2 more sources

Comparison Between Cyclic Gas Injection and Cyclic Solvent + Gas Injection

SPE Latin America and Caribbean Heavy and Extra Heavy Oil Conference, 2016
Abstract This paper shows the comparison obtained in the oil and gas production increase by cyclic gas injection produced at Provincia field and the cyclic solvent + gas injection (same field). According the composition of the production gas of Provincia Field (Table 1) used during the cyclic injection, is denominated as "rich gas", the ...
J. E. Rivera, C. A. Duarte, C. H. Chaparro, F. R. Fernández, L. M. Quintero, R. M. Villareal, J. C. Pinto, J. R. Sárquez, J. A. Sáchica, R. F. Amaya, U. F. Ferreira, V. J. Arrieta   +11 more
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Note on Gas Chromatographic Injection

Nature, 1964
IN the course of investigations of the accurate determination of gas chromatographic retention times, several causes of errors in these measurements have been examined; this communication is concerned with the errors which may be due to the finite concentration of any one component observed, even when the isotherms are practically linear for that ...
openaire   +2 more sources