Results 1 to 10 of about 635,244 (311)

Portable Bioactive Paper-Based Sensor for Quantification of Pesticides [PDF]

open access: yesJournal of Analytical Methods in Chemistry, 2013
A paper-based biosensor was developed for the detection of the degradation products of organophosphorus pesticides. The biosensor quantifies acetylcholine esterase inhibitors in a fast, disposable, cheap, and accurate format.
Murat Kavruk   +2 more
doaj   +5 more sources

Colorimetric Determination of Peroxides: A New Paper-Based Sensor for Detecting Hexamethylene Triperoxide Diamine (HMTD) [PDF]

open access: yesSensors
Homemade explosives (HMEs) are of increasing interest to security forces worldwide due to their widespread utilization by terrorists. Their synthesis is relatively straightforward, requiring only a few readily available chemical compounds. Among the most
Wiktoria Furmanek   +12 more
doaj   +2 more sources

Paper-Based Sensor Chip for Heavy Metal Ion Detection by SWSV [PDF]

open access: yesMicromachines, 2018
Heavy metal ion pollution problems have had a terrible influence on human health and the environment. Therefore, the monitoring of heavy metal ions is of great practical significance.
Xiaoqing Wang   +5 more
doaj   +2 more sources

Naked-Eye Detection of Glucose in Saliva with Bienzymatic Paper-Based Sensor [PDF]

open access: yesSensors, 2018
The high incidence of Diabetes Mellitus in low-income regions has promoted the development of low-cost alternatives to replace blood-based procedures.
Luis A. Santana-Jiménez   +4 more
doaj   +2 more sources

Novel Time-Resolved Fluorescence Immunochromatography Paper-Based Sensor with Signal Amplification Strategy for Detection of Deoxynivalenol [PDF]

open access: yesSensors, 2020
Immunoassay has the advantages of high sensitivity, high specificity, and simple operation, and has been widely used in the detection of mycotoxins.
Haowei Dong   +7 more
doaj   +2 more sources

A Parametric Study on a Paper-Based Bi-Material Cantilever Valve

open access: yesMicromachines, 2022
The novel paper-based Bi-Material Cantilever (B-MaC) valve allows the autonomous loading and control of multiple fluid reagents which contributes to the accurate operation of paper-based microfluidic devices utilized for biological and chemical sensing ...
Hojat Heidari-Bafroui   +6 more
doaj   +1 more source

Paper-Based Bi-Material Cantilever Actuator Bending Behavior and Modeling

open access: yesMicromachines, 2023
In this paper, the behavior of the Bi-Material Cantilever (B-MaC) response deflection upon fluidic loading was experimentally studied and modeled for bilayer strips. A B-MaC consists of a strip of paper adhered to a strip of tape.
Gordon Chen   +7 more
doaj   +1 more source

A Paper-Based Cantilever Beam Mini Actuator Using Hygro-Thermal Response

open access: yesActuators, 2022
New technological and scientific advances in the development of sensors and actuators demand the development of new devices to deal with recent problems and challenges in these new and emerging processes.
Laura Alejandra Ireta-Muñoz   +3 more
doaj   +1 more source

A Mediated Enzymatic Electrochemical Sensor Using Paper-Based Laser-Induced Graphene

open access: yesBiosensors, 2022
Laser-induced graphene (LIG) has been applied in many different sensing devices, from mechanical sensors to biochemical sensors. In particular, LIG fabricated on paper (PaperLIG) shows great promise for preparing cheap, flexible, and disposable ...
Panpan Gao   +4 more
doaj   +1 more source

Paper-Based Vapor Detection of Formaldehyde: Colorimetric Sensing with High Sensitivity

open access: yesChemosensors, 2021
We report on a novel colorimetric sensor system for highly sensitive detection of formaldehyde (FA) in the gas phase. The sensor is constructed with paper towel as a substrate coated with the sulfuric acid salt of hydroxylamine ((NH2OH)2·H2SO4) together ...
Chenglong Liao   +7 more
doaj   +1 more source

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