Results 141 to 150 of about 311,812 (350)

Statistically Resolving Thickness‐Dependent Electrical Characteristics in Multilayer‐MoS2 Transistors

open access: yesAdvanced Functional Materials, EarlyView.
A large number of MoS2 flakes were screened to obtain high‐quality flakes based on optical intensities in R, G, and B channel images. The flakes were classified from Level 1 to 6 based on optical intensities in the R, G, and B channel images. Low‐quality flake exhibited wrinkled, folded, or overlapped features, while high‐quality displayed a neat ...
Sanghyun Lee   +11 more
wiley   +1 more source

Synthesis of nickel-sphere coated Ni-Mn layer for efficient electrochemical detection of urea

open access: yesScientific Reports
Using a trustworthy electrochemical sensor in the detection of urea in real blood samples received a great attention these days. A thin layer of nickel-coated nickel-manganese (Ni@NiMn) is electrodeposited on a glassy carbon electrode (GC) (Ni@NiMn/GC ...
Nourhan Ezzat   +4 more
doaj   +1 more source

Laser-Induced Graphene Electrochemical Sensors: An Emerging Platform for Agri-Food and Environmental Detection

open access: yesChemosensors
Harmful substances in food and agricultural environments pose significant risks to human health, necessitating the development of sensitive detection technologies.
Xinyang Cui   +4 more
doaj   +1 more source

Nanodiamond Quantum Sensors for Probing Free Radical Biology

open access: yesAdvanced Functional Materials, EarlyView.
Free radicals play key roles in cellular signaling and disease but remain difficult to measure in living systems. Nanodiamonds (NDs) with nitrogen‐vacancy (NV) centers enable quantum sensing of local magnetic noise via T₁ relaxometry, providing nondestructive radical detection in living cells.
Qi Lu, Yingke Wu, Tanja Weil
wiley   +1 more source

Analysis and Study of Covalent Organic Frameworks in Electrochemical Sensors for Water Environment Pollutant Detection

open access: yesSmall Structures
Water is essential for life on Earth, but increased human activity has led to water pollution. The international community has been highly concerned about this issue, making it crucial to develop methods for detecting water pollutants.
Bo Long   +8 more
doaj   +1 more source

Toward Stable Multivalent Metal Batteries: Understanding the Interfacial Chemistry for Magnesium and Calcium Metal Anodes

open access: yesAdvanced Functional Materials, EarlyView.
Interphase chemistry governs the stability of multivalent metal batteries. We summarize state‐of‐the‐art developments in calcium and magnesium metal batteries by focusing on the correlation among electrolytes, interphase layers, and the electrochemical performance of corresponding metal anodes.
Huijun Lin   +4 more
wiley   +1 more source

CRISPR-Cas13a-powered electrochemical biosensors for RNA-based disease diagnostic and monitoring

open access: yesSensors and Actuators Reports
Nucleic acids serve as specific, selective, and sensitive components in molecular diagnostics, offering efficient and high-precision results. Unlike DNA, RNA expression reflects real-time cellular activity, allowing for the monitoring of disease ...
Salma Nur Zakiyyah   +9 more
doaj   +1 more source

Tissue‐Stimulator Platform for Electrically Stimulating Pancreatic β‐Cells for Long‐Term Functional Regulation

open access: yesAdvanced Functional Materials, EarlyView.
We present a tissue‐stimulator platform for seamless electrode integration with pancreatic tissue, applying uniform electrical stimulation through optimized design with biohybrid 3D printing. Advantageous effects of electrical stimulation on β‐cell function were observed, including enhanced calcium signaling, islet morphology, and maturation.
Jihwan Kim   +7 more
wiley   +1 more source

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