Results 81 to 90 of about 1,847 (202)

Ultrasound in Pediatric Inflammatory Bowel Disease—A Review of the State of the Art and Future Perspectives

open access: yesChildren
Inflammatory bowel disease (IBD) comprises a group of relapsing, chronic diseases of the gastrointestinal tract that, in addition to adults, can affect children and adolescents. To detect relapses of inflammation, these patients require close observation,
André Hoerning   +4 more
doaj   +1 more source

Towards very high resolution imaging in ultrasound-modulated optical tomography of biological tissues [PDF]

open access: yes, 2006
We explored the possibility of applying very high ultrasound frequencies to achieve very high resolution in ultrasound-modulated optical tomography of soft biological tissues.
Kothapalli, Sri-Rajasekhar   +2 more
core  

Photocatalytic Micro/Nanomotors Functioning in the Near‐Infrared Window for Biomedical Applications

open access: yesAdvanced Science, Volume 13, Issue 16, 18 March 2026.
This review focuses on near‐infrared responsive photocatalytic micro/nanomotors based on inorganic materials, with particular emphasis on minimally invasive biomedical applications. It discusses material strategies for achieving near‐infrared responsiveness, including heterostructure construction, upconversion nanoparticle integration, defect ...
Yufen Chen   +2 more
wiley   +1 more source

Biodegradable Contrast Agents for Photoacoustic Imaging

open access: yesApplied Sciences, 2018
Over the past twenty years, photoacoustics—also called optoacoustics—have been widely investigated and, in particular, extensively applied in biomedical imaging as an emerging modality.
Su Woong Yoo   +4 more
doaj   +1 more source

Precision medicine in cutaneous melanoma—A comprehensive review

open access: yesJournal of the European Academy of Dermatology and Venereology, Volume 40, Issue 3, Page 377-386, March 2026.
Precision medicine tailors treatment to each patient, beginning with detailed diagnostics. In melanoma, it has advanced considerably: Some methods are in practice and guidelines, while others are commercially available but not routine. This review highlights current and emerging approaches, including molecular profiling, imaging, biomarkers and AI ...
Markus Reitmajer, Lukas Flatz
wiley   +1 more source

Optoacoustics—Advances in high-frequency optomechanics and Brillouin scattering

open access: yesAPL Photonics, 2019
The fields of cavity optomechanics and Brillouin scattering, linked by common underlying physical mechanisms, involve the interaction of light waves with mechanical vibrations at the micro- and nanoscale.
Birgit Stiller   +2 more
doaj   +1 more source

Fluorescent proteins: A journey from the cell to extreme environments in material science

open access: yesPhotochemistry and Photobiology, Volume 102, Issue 2, Page 290-302, March/April 2026.
Applications of proteins and microorganisms as tools or effectors in material science. Abstract This review presents the progression from the use of fluorescent proteins (FPs) and chromoproteins as bioimaging labels and sensors to the strategic engineering of their properties for robust functionality in synthetic and non‐biological environments ...
Bianca Menchicchi   +3 more
wiley   +1 more source

Cold Quad‐Modal Nanocomplex for Precise and Quantitative In Vivo Stem Cell Tracking

open access: yesAdvanced Functional Materials, Volume 36, Issue 17, 26 February 2026.
Multimodal albumin–bismuth sulfide–superparamagnetic iron oxide (ABS) nanocomplexes are developed for stem cell tracking across four different imaging modalities: MRI, MPI, MSOT, and CT. Combining its flexibility with high sensitivity, this quad‐modal imaging agent enables a robust quantification of ABS‐labeled stem cells in vivo.
Ali Shakeri‐Zadeh   +4 more
wiley   +1 more source

Optoacoustic inversion via convolution kernel reconstruction in the paraxial approximation and beyond

open access: yesPhotoacoustics, 2019
In this article we address the numeric inversion of optoacoustic signals to initial stress profiles. Therefore we study a Volterra integral equation of the second kind that describes the shape transformation of propagating stress waves in the paraxial ...
O. Melchert, M. Wollweber, B. Roth
doaj   +1 more source

Strategies for Enhancing Thermal Conductivity of PDMS in Electronic Applications

open access: yesAdvanced Materials Technologies, Volume 11, Issue 4, 19 February 2026.
This review explores effective strategies for enhancing heat dissipation in Polydimethylsiloxane (PDMS)‐based composites, focusing on particle optimization, 3D network design, and multifunctional integration. It offers key insights into cutting‐edge methods and simulations that are advancing thermal management in modern electronic devices.
Xiang Yan, Marisol Martin‐Gonzalez
wiley   +1 more source

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