Results 131 to 140 of about 62,109 (322)

Optimization of CEST MRI Reporter Protein Design Using Cation‐Pi Networks

open access: yesChemistry – A European Journal, EarlyView.
A novel engineering approach can produce reporter proteins for cell and viral therapy tracking with unique magnetic resonance imaging (MRI) signatures, detectable with chemical exchange saturation transfer (CEST). We discover how cation‐π interactions between amino acid groups can help us fine‐tune magnetic resonance properties for noninvasive ...
David E. Korenchan   +8 more
wiley   +1 more source

Contrast and sensitivity enhanced molecular imaging using photoacoustic nanoamplifiers

open access: yes, 2013
textMolecular imaging is an emerging imaging principle which can visually represent the biological processes both spatially and temporally down to the sub-cellular level in vivo.
Chen, Yun-Sheng, active 2012
core  

Carbon Dots for Cancer Theranostics: Synthesis Strategies, Luminescence Properties, and Advances in Bioimaging‐Guided Diagnosis and Therapy

open access: yesChemistry – A European Journal, EarlyView.
Lighting up the path to precision oncology: This review comprehensively summarizes the rational design of carbon dots (CDs), elucidating how core size, surface chemistry, and heteroatom doping dictate their luminescence mechanisms. Special emphasis is placed on engineering NIR‐II emissive CDs for deep‐tissue imaging.
Zekun Yan   +3 more
wiley   +1 more source

A Robust Method for Tuning Photoacoustic Gas Detectors

open access: yes, 2018
Detection of gases in industrial contexts is of great importance for ensuring safety in storage and transport, so as to limit atmospheric pollution and precisely control industrial and agricultural processes.
Leis, John   +3 more
core   +1 more source

Photoacoustic signal amplification through plasmonic nanoparticle aggregation [PDF]

open access: bronze, 2013
Carolyn L. Bayer   +3 more
openalex   +1 more source

All‐in‐One Intelligent Hemostatic Sponge: Rapid Hemostasis for Non‐Compressive Wounds With Synergetic Enhanced Antibacterial Efficacy and Self‐Reporting Biodegradation

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Clinicians often concurrently tackle critical challenges including emergency hemorrhage, secondary infection, and the elusive tracking of biodegradation of conventional hemostatic agents for complex wounds. Here, we report an intelligent hemostatic sponge (spCS@AIE) by incorporating aggregation‐induced emission (AIE) nanoparticles with short‐wave ...
Zhicheng Liu   +12 more
wiley   +1 more source

High-Intensity Focused Pressure Wave Generation via Q-Switched Er:YAG Laser with a Water Layer Formed by the Coupled Lens for Optoacoustic Conversion

open access: yesApplied Sciences
We demonstrate coating-free optoacoustic generation and focusing of ultrasound using a mechanically Q-switched (MQS) erbium-doped yttrium aluminum garnet (Er:YAG) source (~100 ns, ≤20 mJ) combined with a concave water interface that simultaneously serves
Dominik Šavli   +3 more
doaj   +1 more source

MEMS Actuators for Optical Microendoscopy

open access: yesMicromachines, 2019
Growing demands for affordable, portable, and reliable optical microendoscopic imaging devices are attracting research institutes and industries to find new manufacturing methods.
Zhen Qiu, Wibool Piyawattanametha
doaj   +1 more source

Low‐Dimensional Materials and Van Der Waals Heterostructures for Energy Application: A Comprehensive Review

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Low‐dimensional materials (0D, 1D, and 2D) exhibit unique electronic and physicochemical properties, enabling advanced nanoelectronic and optoelectronic devices. Mixed‐dimensional heterostructures combine these materials to enhance functionality.
Qaisar Alam   +3 more
wiley   +1 more source

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