Imaging of dense cell cultures by multiwavelength lens‐free video microscopy
Sign Up to like & getrecommendations! Published in 2017 at "Cytometry Part A"
DOI: 10.1002/cyto.a.23079
Abstract: They present results for lens‐free microscopy for the imaging of dense cell culture. With this aim, they use a multiwavelength LED illumination with well separated wavelengths, together with the implementation of an appropriate holographic reconstruction… read more here.
Keywords: microscopy; dense cell; lens free; cell cultures ... See more keywords
Accurate label-free 3-part leukocyte recognition with single cell lens-free imaging flow cytometry
Sign Up to like & getrecommendations! Published in 2018 at "Computers in Biology and Medicine"
DOI: 10.1016/j.compbiomed.2018.03.008
Abstract: Three-part white blood cell differentials which are key to routine blood workups are typically performed in centralized laboratories on conventional hematology analyzers operated by highly trained staff. With the trend of developing miniaturized blood analysis… read more here.
Keywords: classification; part; white blood; blood ... See more keywords
Revisiting silk: a lens-free optical physical unclonable function
Sign Up to like & getrecommendations! Published in 2022 at "Nature Communications"
DOI: 10.1038/s41467-021-27278-5
Abstract: For modern security, devices, individuals, and communications require unprecedentedly unique identifiers and cryptographic keys. One emerging method for guaranteeing digital security is to take advantage of a physical unclonable function. Surprisingly, native silk, which has… read more here.
Keywords: physical unclonable; unclonable function; optical physical; silk ... See more keywords
3D imaging of optically cleared tissue using a simplified CLARITY method and on-chip microscopy
Sign Up to like & getrecommendations! Published in 2017 at "Science Advances"
DOI: 10.1126/sciadv.1700553
Abstract: Using lens-free holographic microscopy, we demonstrated 3D imaging in optically cleared tissue over a thickness of 0.2 mm. High-throughput sectioning and optical imaging of tissue samples using traditional immunohistochemical techniques can be costly and inaccessible… read more here.
Keywords: imaging optically; cleared tissue; microscopy; tissue ... See more keywords
Detection of circulating microfilariae in canine EDTA blood using lens-free technology: preliminary results
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Veterinary Diagnostic Investigation"
DOI: 10.1177/10406387211001092
Abstract: Dirofilaria immitis causes life-threatening heart disease in dogs, thus screening of dog populations is important. Lens-free technology (LFT) is a low-cost imaging technique based on light diffraction that allows computerized recognition of small objects in… read more here.
Keywords: blood using; edta blood; free technology; microfilariae canine ... See more keywords
Pixel super-resolved lens-free on-chip microscopy based on dual laterally shifting modulation.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.387428
Abstract: Achieving high spatial resolution over a wide field of view (FOV) is the goal of many imaging systems. In a traditional lens-based microscope, designing a complex objective with high numerical aperture (NA) to achieve this… read more here.
Keywords: resolution; microscopy; super resolved; pixel super ... See more keywords
Comparative study of fully three-dimensional reconstruction algorithms for lens-free microscopy.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.003939
Abstract: We propose a three-dimensional (3D) imaging platform based on lens-free microscopy to perform multiangle acquisitions on 3D cell cultures embedded in extracellular matrices. Lens-free microscopy acquisitions present some inherent issues such as the lack of… read more here.
Keywords: three dimensional; reconstruction; microscopy; comparative study ... See more keywords
Full field-of-view digital lens-free holography for weak-scattering objects based on grating modulation.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.00a164
Abstract: Grating-based single-shot digital lens-free holography with spatial spectral multiplexing is proposed to realize full field-of-view (FOV) imaging for weak-scattering objects. Multiple object waves are generated by a one-dimensional grating that is placed in near contact… read more here.
Keywords: field view; digital lens; full field; free holography ... See more keywords
Optimized sensing of sparse and small targets using lens-free holographic microscopy.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.025676
Abstract: Lens-free holographic microscopy offers sub-micron resolution over an ultra-large field-of-view >20 mm2, making it suitable for bio-sensing applications that require the detection of small targets at low concentrations. Various pixel super-resolution techniques have been shown… read more here.
Keywords: resolution; microscopy; free holographic; holographic microscopy ... See more keywords
Machine Learning Based Lens-Free Shadow Imaging Technique for Field-Portable Cytometry
Sign Up to like & getrecommendations! Published in 2022 at "Biosensors"
DOI: 10.3390/bios12030144
Abstract: The lens-free shadow imaging technique (LSIT) is a well-established technique for the characterization of microparticles and biological cells. Due to its simplicity and cost-effectiveness, various low-cost solutions have been developed, such as automatic analysis of… read more here.
Keywords: cell; shadow imaging; lens free; imaging technique ... See more keywords