Results 91 to 100 of about 1,138,593 (301)

A new LED-LED portable CO2 gas sensor based on an interchangeable membrane system for industrial applications [PDF]

open access: yes, 2011
CO2 monitoring is important for many areas of high economic relevance, like environmental monitoring, control of biotechnological processes in bio-pharmaceutical industries, and the food industry, particularly controlled atmosphere storage rooms and ...
Vargas-Sansalvador, Isabel María Pérez de   +15 more
core   +4 more sources

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

open access: yesAdvanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti   +11 more
wiley   +1 more source

A thiazolothiazole based cu2+ selective colorimetric and fluorescent sensor via unique radical formation

open access: yes, 2022
A novel thiazolothiazole-based Cu2+ colorimetric and fluorescent sensor is reported. A highly selective colorimetric change from yellow to dark green was observed among various metal ions after adding Cu2+.
J Y Jung (13446654)   +8 more
core  

“Smelltronics”—From Gas to Smell Sensing

open access: yesAdvanced Materials, EarlyView.
The emerging field of smelltronics, encompassing sensing technologies for complex volatile organic compounds, holds significant potential for extracting valuable chemical information. It facilitates the noninvasive, real‐time monitoring of humans, food, and the environment.
Takeshi Ono   +7 more
wiley   +1 more source

3D Bioprinted Hydrogel Sensor towards Rapid Salivary Diagnostics Based on pH Colorimetric Detection

open access: yesProceedings
In this paper, a novel solution of 3D bioprinted hydrogel sensor towards rapid diagnostics of saliva based on pH colorimetric detection is proposed. The hydrogel ink of unique composition of sodium alginate and polyvinylpyrrolidone was developed and ...
Magdalena Beata Łabowska   +2 more
doaj   +1 more source

Colorimetric Sensor Array for Soft Drink Analysis

open access: yes, 2016
Fourteen commercial soft drinks have been analyzed using colorimetric sensor arrays made from a set of 25 chemically responsive dyes printed on a hydrophobic membrane.
Chen Zhang (66790)   +1 more
core   +1 more source

Recent Progress in the Phase‐Controlled Synthesis of Ruthenium Nanocrystals for Catalytic Applications

open access: yesAdvanced Materials, EarlyView.
Template effect and kinetic control enable crystal‐phase engineering of Ru nanocrystals, granting access to either metastable fcc‐Ru or stable hcp‐Ru with distinct surface structures, thermal stabilities, and catalytic behaviors. Moreover, the hcp‐Ru can further serve as an epitaxial template to direct Pd and Rh nanocrystals into the metastable hcp ...
Jianlong He   +3 more
wiley   +1 more source

Colorimetric Molecularly Imprinted Polymer-Based Sensors for Rapid Detection of Organic Compounds: A Review

open access: yesChemosensors
This review offers a comprehensive examination of the development and current state of the art in the field of molecularly imprinted polymer (MIP)-based colorimetric sensors, focusing on their potential for the rapid detection of organic compounds. These
Juan Carlos Bravo-Yagüe   +4 more
doaj   +1 more source

เซนเซอร์ที่เปลี่ยนสีได้จากอนุพันธ์ไนโตรคาร์บาโซลสำหรับตรวจวัดไอออนลบ (COLORIMETRIC SENSOR FROM NITROCARBAZOLE DERIVATIVES FOR ANION DETERMINATION) [PDF]

open access: yes, 2018
อนุพันธ์ของคาร์บาโซลสองชนิด คือ โมโนไนโตรคาร์บาโซล (MNC) และไดไนโตรคาร์บาโซล (DNC) ถูกนำมาศึกษาความสามารถในการเป็นเซนเซอร์ที่เปลี่ยนสีได้ (Colorimetric Sensor) สำหรับการตรวจวัดไอออนลบชนิดต่างๆ (CN-, F-, AcO-, H2PO4-, BzO-, NO3-, HSO4-, Cl-, ClO4-, Br ...
ค้ำชู, จิรเมธ   +2 more
core  

Detection of mercury ions in water using a membrane-based colorimetric sensor

open access: yes, 2018
The effectiveness of a colorimetric sensor is highly influential by the morphology characteristics of a membrane platform that affect the color change responses.
N. A. Azmi, S. H. Ahmad, S. C. Low
core   +1 more source

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