Smartphone-based optical analysis systems

S Di Nonno, R Ulber - Analyst, 2021 - pubs.rsc.org
During the past few decades, there has been a growing trend towards the use of
smartphone-based analysis systems. This is mainly due to its ubiquity, its increasing …

[HTML][HTML] Portable low-cost open-source wireless spectrophotometer for fast and reliable measurements

K Laganovska, A Zolotarjovs, M Vázquez… - HardwareX, 2020 - Elsevier
We demonstrate a low-cost standalone portable spectrophotometer for fast and reliable
measurement execution. The data acquired can be both displayed via a dedicated …

Portable devices for measurement of vitamin a concentrations in edible oil: Field readiness of available options

SL Huey, JT Krisher, D Morgan, P Mkambula… - ACS …, 2022 - ACS Publications
Vitamin A (VA) deficiency continues to be a major global health issue, despite measures to
increase VA intake via consumption of staple foods such as edible oil. Portable quantitative …

Facile one-pot synthesis of Co coordination polymer spheres doped macroporous carbon and its application for electrocatalytic oxidation of glucose

T Meng, N Shang, J Zhao, M Su, C Wang… - Journal of Colloid and …, 2021 - Elsevier
Coordination polymers are highly desirable for various applications due to their functionality
control of crystal structures. In this work, an unique class of amorphous Co coordination …

Development of a low-cost UV-Vis spectrophotometer and its application for the detection of mercuric ions assisted by chemosensors

D González-Morales, A Valencia, A Díaz-Nuñez… - Sensors, 2020 - mdpi.com
Detection of an environmental contaminant requires the use of expensive measurement
equipment, which limits the realization of in situ tests because of their high cost, their limited …

NiCo–NiCoO2/carbon hollow nanocages for non-enzyme glucose detection

L Wang, H Yu, Q Zhang, Y Li, W Jia, C Hou, H Wang - Electrochimica Acta, 2021 - Elsevier
Hybrid transition metals/metal oxides/carbon bases with adjustable structures are becoming
more and more important and attractive as electrode materials for electrocatalysis of …

Toward a quantitative colorimeter for point-of-care nitrite detection

VS Siu, M Lu, KY Hsieh, K Raines, YA Asaad… - ACS …, 2022 - ACS Publications
This paper reports on a low-cost, quantitative, point-of-care solution for the early detection of
nitrite, a common biomarker for urinary tract infections (UTIs). In a healthy individual, nitrite is …

Design of a lab-on-chip cartridge for the optical detection of small molecules based on dye-displacement MIPs

J Goossens, T Vandenryt, JW Lowdon… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Molecular imprinted polymers (MIPs) are well known for their specific recognition of a wide
variety of different analytes. However, the complex immobilization process of MIPs onto …

An accurate, precise, and affordable light emitting diode spectrophotometer for drinking water and other testing with limited resources

MW Prairie, SH Frisbie, KK Rao, AH Saksri, S Parbat… - PloS one, 2020 - journals.plos.org
Spectrophotometers are commonly used to measure the concentrations of a wide variety of
analytes in drinking water and other matrixes; however, many laboratories with limited …

Biosensing of multiple aromatic xenobiotics in water by in-house fabricated prototype device

S Sahu, S Ramachandran, R Bandyopadhyaya… - Biosensors and …, 2024 - Elsevier
Portable, low-cost, and accurate monitoring of hazardous mono-aromatic pollutants, such as
phenol or benzene group of compounds in water is a challenging task due to the lack of …