Results 81 to 90 of about 25,339 (260)

Electroactive 3D Porous Graphene Foam Impedimetric Biosensor for Ultrasensitive Detection of MCF‐7‐Cells‐Derived Extracellular Vesicles in Human Serum

open access: yesAdvanced Materials Technologies, EarlyView.
A label‐free impedimetric biosensor based on electroactive 3D porous graphene foam enables ultrasensitive and selective detection of CD81 protein and MCF‐7 cell‐derived extracellular vesicles in human serum. Detection limits of 0.048 fg/mL for CD81 and ∼24 EVs/mL are achieved, demonstrating a robust platform for selective, label‐free, and ...
Michael Robert Furness   +11 more
wiley   +1 more source

Algorithm for Visualizing Volumetric Pores and Wrinkles Based on a Displacement Map

open access: yesСовременные информационные технологии и IT-образование
The article proposes an approach to developing an algorithm for visualizing realistic skin micro-relief, focusing on the creation of volumetric pores and wrinkles.
Alexander Syryh, Sergei Medvedev
doaj   +1 more source

Evolution of OLED Lamination Technology With Development of Display Form Factors

open access: yesAdvanced Materials Technologies, EarlyView.
This review evaluates the evolution of organic light‐emitting diode (OLED) lamination technologies alongside advancing display form factors. It contrasts optically clear adhesives and resins, highlighting uniformity control for rigid screens, bubble‐free optimization for bended architectures, and visible‐light curing for foldable layers.
Kwan‐Young Han, Ji‐Hoon Park
wiley   +1 more source

Facial Skin Aging Characteristics of the Old-Perceived Age in a 20–40 Years Old Chinese Female Population

open access: yesClinical, Cosmetic and Investigational Dermatology
Qianghua Quan,1– 3 Haihao Pan,1– 3 Fei Wang,1,2 Siyi Wang,1– 3 Lingli Yang,1– 3 Mixiang Guan,1,2 Quan An1,2 1Research and Development Department, Yunnan Baiyao Group Shanghai Science & Technology Co., Ltd, Shanghai, People’s Republic of China; 2East Asia
Quan Q   +6 more
doaj  

Coating‐Free Nanoscratching for Liquid‐Crystal Alignment on PCB‐Compatible Millimeter‐Wave Reflective Unit Cells

open access: yesAdvanced Materials Technologies, EarlyView.
Direct nanoscratching with a 500 nm diamond lapping film creates groove‐guided liquid‐crystal alignment interfaces on PCB‐compatible Cu‐patterned RF substrates within minutes, eliminating polymer coating and high‐temperature baking. The coating‐free process enables optical/molecular alignment validation and voltage‐programmable 28 GHz reflection‐phase ...
Junseok Ma   +5 more
wiley   +1 more source

Ultrathin and Flexible Organic Light‐Addressable Potentiometric Sensors

open access: yesAdvanced Materials Technologies, EarlyView.
The first ultrathin, fully organic, and flexible light‐addressable potentiometric sensor (LAPS) is demonstrated. With a thickness of only 2.3–2.9 µm, this standalone film offers sensitivity to electrolyte potential and stable performance for over 170 days.
Ami Ichikawa   +6 more
wiley   +1 more source

Patterned Screen‐Printing Process for Substrate‐Free and Scalable Hyaluronic Acid Microneedle Arrays

open access: yesAdvanced Materials Technologies, EarlyView.
A substrate‐free microneedle array comprising a hybrid hyaluronic acid ink was fabricated via a scalable screen‐printing process for flexible transdermal drug delivery. Defect‐free mold filling was achieved using a vacuum‐assisted jig and a delayed drying system, and the use of this versatile platform for multi‐drug patterning and ex vivo skin ...
Sanghyun Ahn   +3 more
wiley   +1 more source

Effect of internal technological defects and loading waveform on CFRP fatigue life

open access: yesFracture and Structural Integrity
This paper explores the effect of internal technological defects on the fatigue life of carbon fiber reinforced plastic (CFRP) under simple loading waveforms.
D.S. Lobanov   +3 more
doaj   +1 more source

Programming Light‐Driven Surface Topographies in Liquid Crystal Elastomers for Potential Biomedical Applications Through Combined Experiments and Simulations

open access: yesAdvanced Materials Technologies, EarlyView.
A combined experimental and simulation study of light‐responsive liquid crystal elastomer surfaces operating under physiological conditions is reported, demonstrating programmable and highly spatially controlled topography formation through bottom‐side photomask exposure. Our study establishes a foundation for dynamic, light‐responsive biosurfaces with
Ruth M. C. Verbroekken   +4 more
wiley   +1 more source

The Oral Intake of Specific Bovine-Derived Bioactive Collagen Peptides Has a Stimulatory Effect on Dermal Matrix Synthesis and Improves Various Clinical Skin Parameters

open access: yesCosmetics
Collagen products are widely marketed for skin improvement. This study evaluated the efficacy of VERISOL B in relation to key skin aging parameters. In a double-blind, placebo-controlled trial, 66 women (aged 35–55) were randomized to receive either 2.5 ...
Ehrhardt Proksch   +2 more
doaj   +1 more source

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