Results 121 to 130 of about 20,809 (282)

Colorimetric sensors for rapid detection of various analytes

, 2017
Sensor technology for the rapid detection of the analytes with high sensitivity and selectivity has several challenges. Despite the challenges, colorimetric sensors have been widely accepted for its high sensitive and selective response towards various ...
Sivakumar Muthusamy, Printo Joseph, Lakshmanan, Susithra, Kiruba Daniel S.C.G., Piriya, Ajay VS, Takatoshi Kinoshita, Muthusamy, Sivakumar, Ajay Piriya V.S, Joseph, Printo, Susithra Lakshmanan, Kinoshita, Takatoshi, Daniel, Kiruba SCG   +11 more
core   +1 more source

Shaping Carbon Nitrides for Advanced Macrostructures

Advanced Materials Technologies, EarlyView.
This review examines how carbon nitride can be shaped through a range of printing and interfacial assembly methods. By bringing together additive manufacturing and liquid–liquid structuring concepts, carbon nitride is moving beyond its traditional powder‐based photocatalyst form toward digitally designed robust macroscale architectures with high design
Simona Baluchová, Baris Kumru
wiley   +1 more source

Ink-jet printed colorimetric gas sensors on plastic foil

An all polymeric colorimetric gas sensor with its associated electronics for ammonia (NH3) detection targeting low-cost and low-power applications is presented. The gas sensitive layer was inkjet printed on a plastic foil. The use of the foil directly as
de Rooij, Nico F., Briand, Danick, Courbat, Jerome   +2 more
core   +1 more source

Graphene‐Interfaced Stretchable Sweat Patch for Multiplexed Electrochemical Monitoring of IL‐6, Glucose, and Calcium Ions

Advanced Materials Technologies, EarlyView.
Flexible sweat sensor patch integrating graphene‑interfaced gold microelectrodes functionalized with bio‑receptors and ion‑selective membrane, coupled with a capillary‑driven microfluidic layer and portable potentiostat electronics for multiplexed monitoring of inflammatory, metabolic, and electrolyte biomarkers in microliter sweat volumes.
Roomia Memon, Ali Tufani, Süleyman Çelik, Javed H. Niazi, Anjum Qureshi   +4 more
wiley   +1 more source

Hydrogel-incorporated Colorimetric Sensors with High Humidity Tolerance for Environmental Gases Sensing. [PDF]

Sens Actuators B Chem, 2021
Yu J, Tsow F, Mora SJ, Tipparaju VV, Xian X.   +4 more
europepmc   +1 more source

At Home Detection of Ovarian Health Biomarker in Menstruation Blood

Advanced Materials Technologies, EarlyView.
A lateral flow assay enables the detection of anti‐Müllerian hormone directly in unprocessed menstrual blood using silica‐gold nanoshells and smartphone‐assisted machine learning analysis. The platform supports decentralized, user‐operated testing in wearable and dipstick formats, highlighting the potential of menstrual blood as a non‐invasive matrix ...
Lucas Dosnon, Thomas Rduch, Salma Sherif Azer, Inge K. Herrmann   +3 more
wiley   +1 more source

Biodegradable Wireless Soil Urea Sensor Using Metamaterial Perfect Absorber for Distributed Deployment in Precision Agriculture

Advanced Materials Technologies, EarlyView.
In this study, we propose a biodegradable wireless soil urea sensor for precision agriculture. The sensor's electromagnetic response varies depending on the urea concentration, allowing the measurement of relative soil urea concentrations by analyzing the time‐transient electromagnetic response.
Yu Tanaami, Ken Sakabe, Tetsuya Yarimizo, Yasutaka Murakami, Tetsuo Kan, Hiroaki Onoe   +5 more
wiley   +1 more source

Colorimetric Sensors with Enhanced Sensitivity and Angle‐independence

Advanced Sensor Research
Sensors that can be portable and easy to read out are highly attractive for point‐of‐care. However, such sensors often suffer from low sensitivity for real‐life applications.
Hiu Ning Tiffany Chui, Shu Yang
doaj   +1 more source

Reading Dye-Based Colorimetric Inks: Achieving Color Consistency Using Color QR Codes

Chemosensors
Color consistency when reading colorimetric sensors is a key factor for this technology. Here, we demonstrate how the usage of machine-readable patterns, like QR codes, can be used to solve the problem.
Ismael Benito-Altamirano, Laura Engel, Ferran Crugeira, Miriam Marchena, Jürgen Wöllenstein, Joan Daniel Prades, Cristian Fàbrega   +6 more
doaj   +1 more source

Coaxial Melt Electrowriting

Advanced Materials Technologies, EarlyView.
Coaxial melt electrowriting is established to produce dual‐property microfibers with diameters spanning 1.6–29.2 µm. Stable coaxial laminar flow is preserved under electrohydrodynamic thinning, enabling controlled binary and gradient material switching within individual continuous fibers.
Patrick C. Hall, D. Iman von Briesen, Maya Kasteleiner, Gabriela M. Bailey, Diana Ostojich, Harrison W. Reid, Andre Olarra, Benjamín J. Alemán, Simon Luposchainsky, Biranche Tandon, Ramesh Jasti, Paul D. Dalton   +11 more
wiley   +1 more source