Results 21 to 30 of about 1,071,713 (341)

Contrast-enhanced fluorescence microscope by LED integrated excitation cubes

open access: yesLight: Advanced Manufacturing, 2023
Fluorescence microscopy is a powerful tool for scientists to observe the microscopic world, and the fluorescence excitation light source is one of the most critical components. To compensate for the short operation lifetime, integrated light sources, and
Yuanhua Liu   +4 more
doaj   +1 more source

Cocaine Detection by a Laser-Induced Immunofluorometric Biosensor

open access: yesBiosensors, 2021
The trafficking of illegal drugs by criminal networks at borders, harbors, or airports is an increasing issue for public health as these routes ensure the main supply of illegal drugs.
Martin Paul   +4 more
doaj   +1 more source

Polymerized LB films imaged with a combined atomic force microscope-fluorescence microscope [PDF]

open access: yes, 1992
The first results obtained with a new stand-alone atomic force microscope (AFM) integrated with a standard Zeiss optical fluorescence microscope are presented.
Gaub, Hermann E.   +3 more
core   +2 more sources

Controlling single diamond NV color center photoluminescence spectrum with a Fabry-Perot microcavity [PDF]

open access: yes, 2010
We present both theoretical and experimental results on fluorescence of single defect centers in diamond nanocrystals embedded in a planar dielectric microcavity.
Alléaume, Romain   +4 more
core   +3 more sources

Fluorescence microscopy imaging with a Fresnel zone plate array based optofluidic microscope [PDF]

open access: yes, 2011
We report the implementation of an on-chip microscope system, termed fluorescence optofluidic microscope (FOFM), which is capable of fluorescence microscopy imaging of samples in fluid media.
Han, Chao   +3 more
core   +1 more source

An apertureless near-field microscope for fluorescence imaging [PDF]

open access: yes, 2000
We describe an apertureless near field microscope for imaging fluorescent samples. Optical contrast is generated by exploiting fluorescent quenching near a metallized atomic force microscope tip.
Lessard, Guillaume A.   +2 more
core   +1 more source

Smartphone-microfluidic fluorescence imaging system for studying islet physiology

open access: yesFrontiers in Endocrinology, 2022
Smartphone technology has been recently applied for biomedical image acquisition and data analysis due to its high-quality imaging capability, and flexibility to customize multi-purpose apps.
Xiaoyu Yu   +9 more
doaj   +1 more source

Wavefront shaping of a Bessel light field enhances light sheet microscopy with scattered light [PDF]

open access: yes, 2014
The project was supported by the UK Engineering and Physical Sciences Research Council, RS MacDonald Charitable Trust, SULSA, and the St. Andrews 600th anniversary BRAINS appeal. K. D.
Dholakia, K.   +4 more
core   +2 more sources

Rheological properties and micro distribution of amorphous poly alpha olefin /styrene-butadiene rubber composite modified asphalt

open access: yesHecheng xiangjiao gongye, 2022
In order to improve the high temperature performance of styrene-butadiene rubber (SBR)modified asphalt, amorphous poly alpha olefin (APAO) was selected as the modifier, and APAO/SBR composites modified asphalt with good high and low temperature ...
WANG Li-jun; LIU Ke-yan
doaj   +1 more source

Exploiting speckle correlations to improve the resolution of wide-field fluorescence microscopy [PDF]

open access: yes, 2014
Fluorescence microscopy is indispensable in nanoscience and biological sciences. The versatility of labeling target structures with fluorescent dyes permits to visualize structure and function at a subcellular resolution with a wide field of view. Due to
Bertolotti, Jacopo   +5 more
core   +4 more sources

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