Results 31 to 40 of about 784,587 (218)

High‐Performance Black Phosphorus/Graphitic Carbon Nitride Heterostructure‐Based Wearable Sensor for Real‐time Sweat Glucose Monitoring

open access: yesAdvanced Materials Technologies, EarlyView.
This work introduces a BP‐gCN heterostructure‐based wearable glucose sensor designed for continuous, non‐invasive glucose monitoring. By enhancing electrochemical glucose oxidation, the sensor exhibits improved sensitivity and stability. The integration of DFT calculations and experimental results demonstrates the superior electrocatalytic performance ...
Ecem Ezgi Özkahraman   +9 more
wiley   +1 more source

Progress in Surface Plasmon and Other Resonance Biosensors for Biomedical Applications

open access: yesAdvanced Materials Technologies, EarlyView.
This is the shortened version: Recent advancements in surface plasmon resonance and other optical resonance biosensors for biomedical applications are presented. Advanced sensing strategies are examined for the detection of diverse analytes, integration of nanomaterials and machine learning, and emerging nonplasmonic modes like guided mode resonance ...
Faten Bashar Kamal Eddin   +8 more
wiley   +1 more source

Investigations into the characterization, degradation, and applications of biodegradable polymers by mass spectrometry

open access: yesMass Spectrometry Reviews, EarlyView., 2023
Abstract Biodegradable polymers have been getting more and more attention because of their contribution to the plastic pollution environmental issues and to move towards a circular economy. Nevertheless, biodegradable materials still exhibit various disadvantages restraining a widespread use in the market.
Paola Rizzarelli   +2 more
wiley   +1 more source

Development of Photo‐Biocatalytic Redox System for Asymmetric Synthesis of Optically Active Amines Using Blue Light and Transaminases. A Case Study Toward Mavacamten

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
Abstract α‐Chiral amines are versatile building blocks for the asymmetric synthesis of optically pure high‐added‐value chemicals, including pharmaceuticals, agrochemicals, and natural products. Herein, we report a one‐pot, two‐step sequential deracemization of racemic sec‐alcohols to optically enriched primary amines throught a photo‐biocatalytic ...
Natalia Antos   +5 more
wiley   +1 more source

The Age Dependent Luminosities of the Red Giant Branch Bump, Asymptotic Giant Branch Bump, and Horizontal Branch Red Clump [PDF]

open access: yes, 1998
Color-magnitude diagrams of globular clusters often exhibit a prominent horizontal branch (HB) and may also show features such as the red giant branch (RGB) bump and the asymptotic giant branch (AGB) bump. Stellar evolution theory predicts that the luminosities of these features will depend on the metallicity and age of the cluster.
arxiv   +1 more source

Solid State Defect Emitters With no Electrical Activity

open access: yesAdvanced Science, EarlyView.
Point defects may introduce in‐gap states that alter electrical properties and lower the optical excitation threshold. It is thus widely assumed that solid‐state defect emitters alter the host conductivity. This study demonstrates, on a particular defect in 4H silicon carbide, that a yet unrecognized class of point defects exists that are optically ...
Pei Li   +4 more
wiley   +1 more source

Understanding the Metal‐Center Mediated Adsorption and Redox Mechanisms in a FeMn(NbTa)2O6 Columbite Material for Anion Exchange Membrane Water Electrolyzers

open access: yesAdvanced Energy Materials, EarlyView.
FeMn(NbTa)2O6‐columbite is a sustainable and high‐performance bifunctional electrocatalyst for anion exchange membrane water electrolyzers, comparable to benchmark catalysts. In situ XAS and DFT analysis show Fe/Mn sites exhibit higher OER activity due to reduced overpotentials and favorable O→OOH energetics. The Nb/Ta sites facilitate charge transfer,
Patrick M. Bacirhonde   +17 more
wiley   +1 more source

Optimization of Adsorption Sites for Selective Hydrobenzoin and Syngas Production in a Single Photoredox Cycle

open access: yesAdvanced Energy Materials, EarlyView.
Efficient C─C coupling hydrobenzoin production and tunable syngas generation via benzyl alcohol oxidation and CO2 reduction is realized by Ni2P/CdS composite in a single photoredox cycle. In situ and ex situ characterizations, along with theoretical calculations, reveal that the active site optimization facilitates intermediate formation and desorption.
Jian Lei   +6 more
wiley   +1 more source

Bayesian inference in a cointegrating panel data model [PDF]

open access: yes, 2008
This paper develops methods of Bayesian inference in a cointegrating panel data model. This model involves each cross-sectional unit having a vector error correction representation.
Koop, G.M.   +2 more
core   +2 more sources

Radial velocity monitoring of Kepler heartbeat stars [PDF]

open access: yes, 2016
Heartbeat stars (HB stars) are a class of eccentric binary stars with close periastron passages. The characteristic photometric HB signal evident in their light curves is produced by a combination of tidal distortion, heating, and Doppler boosting near orbital periastron.
arxiv   +1 more source

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