Results 141 to 150 of about 1,180,081 (224)

Understanding extracellular vesicle biology, isolation, and characterization: The theory of EV‐erything

open access: yesPeriodontology 2000, EarlyView.
Abstract Background Extracellular vesicles (EVs), especially exosomes, are nanoparticles increasingly recognized as key regulators of intercellular communication in both physiological and pathological aspects. Despite rapid progress, inconsistencies in nomenclature, isolation, and characterization continue to restrict translational advancement.
Paras Ahmad   +6 more
wiley   +1 more source

Scaling temporal resolution from mice to humans: Challenges and innovations in preclinical imaging of translational models

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Temporal scaling physiology differs significantly between mice and humans. Mice have higher metabolism, heart and respiratory rate, as well as faster blood flow rates, brain activity and physiological dynamics over time. These differences influence the temporal resolution needed in preclinical imaging of mouse models to ...
Sara Gargiulo, Matteo Gramanzini
wiley   +1 more source

Photoacoustic microscopy with a 30MHz array and receive system

open access: yes, 2012
[[abstract]]Photoacoustic microscopy is a hybrid imaging modality which captures the contrast advantage of optical imaging with the resolution advantage of ultrasonic imaging.
Bitton Rachel;Zemp Roger;Li Meng-Lin;Yen Jesse;Wang L.H.;Shung K. Kirk
core   +1 more source

Multiscale four‐dimensional imaging of cardiac remodelling after myocardial infarction

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Multiscale 4D imaging framework for integrated phenotyping of post‐infarction remodelling. Myocardial infarction triggers dynamic changes across mechanical, haemodynamic and biological axes, progressing from acute injury and inflammation to extracellular matrix remodelling and scar maturation.
Hanzhou Lei, Boris Martinac, Yang Guo
wiley   +1 more source

Photoacoustic microscopy

open access: yes, 2015
In dieser Arbeit wurden ein photoakustisches Transmissions- und ein Reflexions- Mikroskop mit optischer Auflösung gebaut und charakterisiert. Mit beiden Mikroskopen wurden biologische Proben abgebildet und ihre Anwendungsbereiche miteinander verglichen.Das Grundprinzip dieses Mikroskops besteht darin, dass ein sehr kurz andauernder Lichtpuls durch ein ...
openaire   +1 more source

_In vivo_ photoacoustic molecular imaging with simultaneous multiple selective targeting using antibody-conjugated gold nanorods [PDF]

open access: yes, 2008
The use of gold nanorods for photoacoustic molecular imaging in vivo with simultaneous multiple selective targeting is reported. The extravasation of multiple molecular probes is demonstrated, and used to probe molecular information of cancer cells. This
Ya-Na Wu   +8 more
core  

Bridging light and sound: A spironaphtopyran-rhodamine dyad with high-contrast photoswitching between fluorescence and photoacoustic signal

open access: yesPhotoacoustics
: Fluorescence and photoacoustic imaging are complementary modalities that provide distinct advantages for biological imaging: fluorescence microscopy offers high sensitivity and resolution, while photoacoustic imaging enables deeper penetration in ...
Nikita Kaydanov   +4 more
doaj   +1 more source

Photoacoustic Nanotagging for In Vivo Tracking and Optimization of Macrophage Immunotherapy in Solid Tumors

open access: yesAdvanced Materials, Volume 38, Issue 61, 2 November 2026.
Macrophage‐based immunotherapy for solid tumors is limited by poor tracking of cell localization and persistence. This study introduces nanotagged macrophages enabling near‐infrared photoacoustic imaging for real‐time monitoring. IFNγ‐conjugated tags enhance antitumor polarization without harming viability.
Seoyoon Song   +8 more
wiley   +1 more source

Beyond Pigmentation: Dermoscopic Vascular Patterns Reveal Novel Risk and Protective Factors in Melasma

open access: yesJournal of Cosmetic Dermatology, Volume 25, Issue 11, November 2026.
ABSTRACT Objective To investigate the correlation between the dermoscopic severity of telangiectasia and key pathophysiological features in melasma, and to identify the risk factors associated with vascular pattern severity. Methods In this cross‐sectional study, 137 female melasma patients were classified into four vascular types based on dermoscopic ...
Zhenghui Yang   +4 more
wiley   +1 more source

Photoacoustic Microscopy. [PDF]

open access: yes, 1984
P. K. Kuo, L. D. Favro, R. L. Thomas
openaire   +1 more source

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