Advancements in Retinal Tissue-Mimicking Optical Coherence Tomography Phantoms: Materials, Properties, and Applications DOI Creative Commons
Mukhit Kulmaganbetov

BioChem, Год журнала: 2025, Номер 5(2), С. 6 - 6

Опубликована: Апрель 9, 2025

Optical coherence tomography (OCT) phantoms are essential tools for calibrating imaging systems, validating diagnostic algorithms, and bridging technological advancements with clinical applications. This review explores the development application of materials used in OCT phantoms, emphasising their optical, mechanical, biochemical fidelity to biological tissues. Gelatin-based (n = 1.35) offer controllable absorbance scattering, penetration depths (PDs) 500–2000 µm scattering coefficients (SCs) 5–20 cm−1 but unstable at room temperature. Silicone 1.41) durable stable, SCs 10–15 cm−1, suitable long-term studies. Polydimethylsiloxane (PDMS) provide manageable optical properties microfluidic Polyvinyl alcohol (PVA) 1.48) mimic soft tissue mechanics, 5–15 require freeze–thaw cycles. Fibrin 1.38) simulate blood clotting, cm−1. Scattering particles like polystyrene 1.57) titanium dioxide (TiO2, n 2.49) modifiable properties, while silica microspheres (SiO2, 3.6) gold nanoshells 2.59) customisable characteristics. These crucial simulating tissues, enhancing imaging, developing Despite progress, challenges persist achieving submicron resolution, stability, cost-effective scalability.

Язык: Английский

Advancements in Retinal Tissue-Mimicking Optical Coherence Tomography Phantoms: Materials, Properties, and Applications DOI Creative Commons
Mukhit Kulmaganbetov

BioChem, Год журнала: 2025, Номер 5(2), С. 6 - 6

Опубликована: Апрель 9, 2025

Optical coherence tomography (OCT) phantoms are essential tools for calibrating imaging systems, validating diagnostic algorithms, and bridging technological advancements with clinical applications. This review explores the development application of materials used in OCT phantoms, emphasising their optical, mechanical, biochemical fidelity to biological tissues. Gelatin-based (n = 1.35) offer controllable absorbance scattering, penetration depths (PDs) 500–2000 µm scattering coefficients (SCs) 5–20 cm−1 but unstable at room temperature. Silicone 1.41) durable stable, SCs 10–15 cm−1, suitable long-term studies. Polydimethylsiloxane (PDMS) provide manageable optical properties microfluidic Polyvinyl alcohol (PVA) 1.48) mimic soft tissue mechanics, 5–15 require freeze–thaw cycles. Fibrin 1.38) simulate blood clotting, cm−1. Scattering particles like polystyrene 1.57) titanium dioxide (TiO2, n 2.49) modifiable properties, while silica microspheres (SiO2, 3.6) gold nanoshells 2.59) customisable characteristics. These crucial simulating tissues, enhancing imaging, developing Despite progress, challenges persist achieving submicron resolution, stability, cost-effective scalability.

Язык: Английский

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