Results 181 to 190 of about 62,109 (322)

Implantable QR Code Subcutaneous Microchip Using Ultrasound and Photoacoustic Microscopy for Secure and Convenient Individual Identification and Authentication

open access: green, 2023
Nan Wan   +11 more
openalex   +1 more source

Engineering Nanoscale Frontiers: Valve Metal Oxide Nanostructures From Fundamentals to Multifunctional Biomedical Applications

open access: yesThe Chemical Record, EarlyView.
Valve metal oxide nanostructures such as TiO2, Ta2O5, Nb2O5, ZrO2, and HfO2 are emerging as versatile biomedical platforms due to their tunable surface properties, exceptional stability, and inherent biocompatibility. This review highlights their synthesis, physicochemical properties, and biological interactions, addressing their roles in advanced ...
Nina Kummer   +11 more
wiley   +1 more source

Visualization of spatial distribution of hemoglobin with various oxygen saturations in small animals using a photoacoustic imaging scanner with a hemispherical detector array [PDF]

open access: green, 2023
Yasufumi Asao   +8 more
openalex   +1 more source

From Cold to Hot: Nanozyme‐Based Strategies for Reprogramming the Tumour Immunoenvironment

open access: yesCell Proliferation, EarlyView.
Nanozymes, with multi‐enzyme catalytic activities, reprogram the immunosuppressive tumour microenvironment by inducing immunogenic cell death, relieving hypoxia, and depleting antioxidants, effectively converting immunologically “cold” tumours into “hot” ones to boost cancer immunotherapy efficacy.
Yue Wang   +9 more
wiley   +1 more source

Extracellular matrix and proteolysis: mechanisms driving irreversible changes and shaping cell behavior

open access: yesThe FEBS Journal, EarlyView.
Irreversible ECM proteolysis by remodeling enzymes shapes development, homeostasis, and disease. ECM‐degrading proteases display cell specificity and are governed by shared mechanisms, exhibiting functional redundancy in generating matrikines, growth factors, and cytokines.
Inna Solomonov, Orit Kollet, Irit Sagi
wiley   +1 more source

Photoacoustic Imaging in Ophthalmology

open access: yes, 2015
Photoacoustic (PA) imaging is a rapidly developing new biomedical imaging modality. Unlike existing ophthalmic imaging technology such as fundus photography, optical coherence tomography, fluorescein and indocyanine green angiography, and ultrasound ...
Paulus YM, Hu Z, Liu Q, Wang X
core   +1 more source

Zebrafish as a practical and convenient model for the study of photodynamic and photothermal therapy of solid tumors: A scoping review

open access: yesPhotochemistry and Photobiology, EarlyView.
Zebrafish provide a high‐throughput, optically transparent platform for cancer and drug screening. Their ~80% genetic homology, xenograft compatibility, and transgenic strains enable targeted photosensitizer screening, real‐time ROS and tumor imaging, and mechanistic assays, while fish embryo acute toxicity (FET) and in vitro tests streamline toxicity ...
Ethan Wilson   +5 more
wiley   +1 more source

Influence of Secondary Brown Carbon Aerosol Lifetime on Radiative Properties

open access: yesGeophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract Brown carbon (BrC), a light‐absorbing organic aerosol, exhibits higher absorption coefficients at short wavelengths. Partial BrC can be formed via secondary process. In this study, we isolated the secondary BrC (σabs,sec BrC) between urban surface and mountain stations (which receive surface pollutants during convective mixing) to investigate ...
Kang Hu   +14 more
wiley   +1 more source

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