Results 101 to 110 of about 544,818 (296)

A reconfigurable multimode interference splitter for sensing applications [PDF]

open access: yes, 2007
A reconfigurable multimode interference (MMI) coupler is demonstrated. The device operates by modifying the phase of the multiple images that are formed around the midpoint of the MMI section.
JOSE JAVIER SANCHEZ MONDRAGON   +3 more
core  

Acoustically Activatable Drug‐Loaded Nanodroplets for Mechanochemical Therapy in Solid Tumors

open access: yesAdvanced Science, EarlyView.
Microfluidically fabricated drug‐loaded nanodroplets are sequentially activated by dual‐frequency ultrasound through acoustic droplet vaporization followed by bubble collapse, enabling spatially controlled drug release and mechanical tumor fractionation, resulting in synergistic mechanochemotherapy and prolonged survival.
Tiran Bercovici   +4 more
wiley   +1 more source

Bandwidth-Tunable Mode-Locked Fiber Laser Enabled by Hetero-Core Offset-Spliced GIMF Saturable Absorber

open access: yesIEEE Photonics Journal
We demonstrate a passively mode-locked erbium-doped fiber laser utilizing a hetero-core offset-spliced gradient-index multimode fiber (GIMF) structure.
Xuanyu Chen   +6 more
doaj   +1 more source

Fiber-Optic Point-Based Sensor Using Specklegram Measurement

open access: yesSensors, 2017
Here, we report a fiber-optic point-based sensor to measure temperature and weight based on correlated specklegrams induced by spatial multimode interference.
Jiao-Jiao Wang   +4 more
doaj   +1 more source

Long‐Term Human Skin Platform for Modeling Chronic Inflammation, Environmental Stress, and Therapeutic Intervention

open access: yesAdvanced Science, EarlyView.
An advanced, long‐term human skin platform maintains native skin structure and key tissue functions for up to four weeks. The platform models chronic inflammation, aging‐related skin changes, and UVB damage, enabling drug and topical interventions—including anti‐inflammatory therapy, senolytic treatment, and sunscreen—to be evaluated in intact human ...
Purnendu Kumar Sharma   +14 more
wiley   +1 more source

Fabrication of a SOI Based Channel-shifted Multimode Interference Coupler

open access: yes, 2004
A silicon-on-insulator based channel-shifted multimode interference coupler is designed and fabricated. A two dimensional beam propagation method is used to analyze the dependence of coupler′s performances on the width and length of the multimode ...
Chen Shaowu   +3 more
core  

Mitochondrial Protection and Neural Repair via ROS‐Responsive Biomimetic Nanoparticles in Intracerebral Hemorrhage

open access: yesAdvanced Science, EarlyView.
A ROS‐responsive biomimetic nanoparticle platform co‐delivers DIDS and Mdivi‐1 to protect mitochondria and promote neural repair after intracerebral hemorrhage. By targeting LPAR1/VDAC1‐related mitochondrial dysfunction, the nanotherapy reduces oxidative injury, neuronal apoptosis, and blood‐brain barrier disruption, improving neurological recovery and
Ling Gao   +7 more
wiley   +1 more source

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