Results 41 to 50 of about 723,711 (310)

A Novel Method for Extending Dynamic Range in Time-Division-Multiplexing Linear Sagnac Systems Based on Time Slot Insertion

open access: yesIEEE Access
The time-division multiplexed linear Sagnac sensing system significantly reduces the cost of interferometric fiber-optic sensor arrays and holds substantial potential for engineering applications.
Kun Jia   +5 more
doaj   +1 more source

Ultra-Weak Fiber Bragg Grating Sensing Network Coated with Sensitive Material for Multi-Parameter Measurements

open access: yesSensors, 2017
A multi-parameter measurement system based on ultra-weak fiber Bragg grating (UFBG) array with sensitive material was proposed and experimentally demonstrated.
Wei Bai   +6 more
doaj   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Measurement of Optical Path Difference Based on Phase Modulation of Light Source for Meter-Scale and Kilometer-Scale Optical Fiber Interferometers

open access: yesIEEE Access
It is crucial in a wide range of applications based on optical fiber interferometry to precisely measure the length difference. In this article, a method of measuring the optical path difference between two arms of an optical fiber interferometer system ...
Xin Lai   +7 more
doaj   +1 more source

Flexible fiber-laser ultrasound sensor for multiscale photoacoustic imaging

open access: yesOpto-Electronic Advances, 2021
Photoacoustic imaging (PAI) is a noninvasive biomedical imaging technology capable of multiscale imaging of biological samples from organs down to cells.
Bai-Ou Guan   +4 more
doaj   +1 more source

Engineered extracellular vesicles enriched with the miR‐214/199a cluster enhance the efficacy of chemotherapy in ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Loss of the miR‐214/199a cluster is associated with recurrence in ovarian cancer. Engineered small extracellular vesicles (m214‐sEVs) elevate miR‐214‐3p/miR‐199a‐5p in tumor cells, suppress β‐catenin, TLR4, and YKT6 signaling, reprogram tumor‐derived sEV cargo, reduce chemoresistance and migration, and enhance carboplatin efficacy and survival in ...
Weida Wang   +12 more
wiley   +1 more source

Electric Field-Enhanced SPR Sensors with AuNPs and CQDs for Rapid and Low-Detection-Limit Detection of Co2+

open access: yesSolids
As a vital transition metal species, cobalt ions (Co2+) play a critical role in industrial and medical fields. However, uncontrolled release into ecosystems via industrial effluents presents significant environmental risks.
Xinyue Jing   +10 more
doaj   +1 more source

Distributed fiber optic interferometric geophone system based on draw tower gratings

open access: yesPhotonic Sensors, 2017
A distributed fiber optic interferometric geophone array based on draw tower grating (DTG) array is proposed. The DTG geophone array is made by the DTG array fabricated based on a near-contact exposure through a phase mask during the fiber drawing ...
Ruquan Xu, Huiyong Guo, Lei Liang
doaj   +1 more source

Single‐molecule DNA flow‐stretch assays for high‐throughput DNA–protein interaction studies

open access: yesFEBS Open Bio, EarlyView.
We describe an optimised single‐molecule DNA flow‐stretch assay that visualises DNA–protein interactions in real time. Linear DNA fragments are tethered to a surface and stretched by buffer flow for fluorescence imaging. Using λ and φX174 DNA, this protocol enhances reproducibility and accessibility, providing a versatile approach for studying diverse ...
Ayush Kumar Ganguli   +8 more
wiley   +1 more source

Fabry-Perot Interferometric High-Temperature Sensing Up to 1200 °C Based on a Silica Glass Photonic Crystal Fiber

open access: yesSensors, 2018
A Fabry-Perot interferometric sensor for temperature measurement was fabricated based on a silica glass solid-core photonic crystal fiber with a central air-bore.
Haihu Yu   +5 more
doaj   +1 more source

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