Results 111 to 120 of about 15,099,737 (280)

Gradient‐Conductivity Architecture Enables Synchronous Enhancement of Sensitivity and Detection Range in Multifunctional All‐Paper Sensors

open access: yesAdvanced Functional Materials, EarlyView.
A gradient‐engineered all‐paper sensor is fabricated by integrating MXene and in situ grown AgNPs within hierarchical cellulose networks. The device breaks the sensitivity–detection range trade‐off through cascaded conductive pathways, enabling ultrahigh pressure sensitivity, humidity–pressure decoupled dual‐mode sensing, and outstanding EMI shielding,
Ao Li   +7 more
wiley   +1 more source

Study on tear function abnormality in pterygium

open access: yes, 2001
The purpose of this study was to determine whether there is any abnormality in the tear function in patients with pterygium. Eighty-four patients with pterygia (56 with unilateral and 28 with bilateral involvement) and 45 healthy controls were entered in
Ergin, Ahmet, Bozdoğan, Önder
core   +1 more source

Breakup of Air Bubbles in Water: Memory and Breakdown of Cylindrical Symmetry [PDF]

open access: yes, 2006
Using high-speed video, we have studied air bubbles detaching from an underwater nozzle. As a bubble distorts, it forms a thin neck which develops a singular shape as it pinches off. As in other singularities, the minimum neck radius scales with the time
Zhang, Wendy W.   +3 more
core   +1 more source

Reservoir‐Driven Neuromorphic Computing Based on Composite Rare‐Earth/Transition Metal Oxide Memristor

open access: yesAdvanced Functional Materials, EarlyView.
A defect‐engineered Ag/Gd2O3:Nb2O5/Pt rare earth composite oxide memristor enables stable multilevel reservoir states through pulse driven conductance modulation. Experimentally measured device responses are incorporated into a device aware reservoir computing framework for CIFAR‐100 image classification, highlighting the potential of rare earth ...
Hammad Ghazanfar   +9 more
wiley   +1 more source

The Relationship Between Tear Ferning Patterns and Non-invasive Tear Break-up Time in Normal Asian Population

open access: yesJournal of Optometry, 2016
Purpose: To investigate the relationship between tear ferning patterns (TFP) and non-invasive tear break-up time (NIBUT) in normal Asian subjects. Methods: One hundred and forty-five adults with no ocular surface disorders were recruited.
Sharanjeet-Kaur   +3 more
doaj   +1 more source

Microscale Patterning of Ultrahigh‐Viscosity Metallic‐Polymer Composites via Embedded Droplet Writing

open access: yesAdvanced Functional Materials, EarlyView.
A hybrid additive manufacturing platform integrates direct droplet writing of metallic composite with VAT photopolymerization to fabricate architected soft magnetic composites. This approach enables microscale patterning of high‐viscosity materials for programmable actuators, adaptive fluidic devices, and switchable adhesives, offering tunable ...
Yeowon Yoon   +4 more
wiley   +1 more source

Understanding tear breakup

open access: yes, 2008
Dry eye is a common condition, but its etiology remains unclear. The symptoms of dry eye include ocular irritation and blurry vision. However, there are often few clinical signs of tissue damage to explain the symptoms.
Liu, Haixia
core  

Changes in the tear film breakup time ratio compared to the baseline recorded by the Smart Eye Camera.

open access: yes, 2019
(A) consecutive tear film breakup time (TFBUT) according to group (green: normal group, blue: non-GVHD group, and red: GVHD group). (B) The table shows the TFBUT ratio compared to that at the baseline (8 weeks of age).
Yoko Ogawa (155946)   +8 more
core   +1 more source

Effect of superior blepharoplasty on tear film: objective evaluation with the Keratograph 5M - a pilot study [PDF]

open access: yes, 2018
Purpose: To evaluate the effect of superior blepharoplasty on the tear film using the corneal topographer Keratograph 5M. Methods: A prospective study was performed of 27 eyes of 14 patients with superior dermatochalasis who underwent superior ...
Nuno Franqueira (5835332)   +7 more
core   +1 more source

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