Microchimica Acta, Год журнала: 2024, Номер 191(11)
Опубликована: Окт. 29, 2024
Язык: Английский
Biosensors and Bioelectronics, Год журнала: 2024, Номер 252, С. 116142 - 116142
Опубликована: Фев. 20, 2024
Nanostructured electrochemical biosensors have ushered in a new era of diagnostic precision, offering enhanced sensitivity and specificity for clinical biomarker detection. Among them, capacitive biosensing enables ultrasensitive label-free detection multiple molecular targets. However, the complexity cost associated with conventional fabrication methods nanostructured platforms hinder widespread adoption these devices. This study introduces biosensor that leverages laser-engraved reduced graphene oxide (rGO) electrodes decorated gold nanoparticles (AuNPs). The involves laser-scribed GO-Au
Язык: Английский
Процитировано
20
Microchemical Journal, Год журнала: 2024, Номер 203, С. 110865 - 110865
Опубликована: Май 28, 2024
Язык: Английский
Процитировано
7
Analytical Chemistry, Год журнала: 2023, Номер 95(37), С. 14143 - 14149
Опубликована: Сен. 7, 2023
High-performance electrochemiluminescence is a significant approach for the examination of disease biomarkers, and utilization innovative detection systems represents viable strategy to enhance efficacy ECL analysis. In this work, biomimetic engineering metal-organic framework (MOF-818) has realized ultrasensitive immunoassay markers based on guidance free radical scavenging provided by antioxidant cascade. Initially, we synthesized hydrogen-bonded organic (HOF) consisting luminol three active ligands simple room-temperature self-assembly. The luminol-HOF (L-HOF) showed more stable brighter luminescence activity than monomer due nano-confinement enhancement coordinated units. Subsequently, MOF-818 with superoxide dismutase (SOD) catalase (CAT) activities were recruited first time as quenching agents sandwich mode. enzyme leads reverse transformation anion radicals (O2-) further decomposition, decreasing in responsiveness signals. Using carcinoembryonic antigen (CEA) an analytical model, limit 0.457 pg/mL was obtained within range 0.001-50 ng/mL. We believe that novel sensing model provides meaningful potential tool precise detection, expanding broader application nanoenzymes
Язык: Английский
Процитировано
13
Microchemical Journal, Год журнала: 2024, Номер 204, С. 111102 - 111102
Опубликована: Сен. 1, 2024
Язык: Английский
Процитировано
4
Food Chemistry, Год журнала: 2025, Номер 470, С. 142726 - 142726
Опубликована: Янв. 2, 2025
Язык: Английский
Процитировано
0
Langmuir, Год журнала: 2025, Номер unknown
Опубликована: Март 6, 2025
DNA immobilization on metal surfaces is widely used for hybridization applications in biotechnology and nanotechnology. Stable binding properties are essential to the functionality accuracy these DNA-based applications. We developed an optimized protocol utilizing amine-functionalized demonstrated enhanced efficiency through electrical field assistance. Our approach achieved uniform molecular coverage improved stability compared with conventional thiol-gold chemistry methods. Fluorescence microscopy analysis confirmed successful hybridization, significantly higher signal intensities observed under conditions. This method provides a promising platform developing sensitive biosensors detection systems, offering control over surface density orientation while maintaining biological functionality.
Язык: Английский
Процитировано
0
Biochimica et Biophysica Acta (BBA) - General Subjects, Год журнала: 2024, Номер 1868(11), С. 130691 - 130691
Опубликована: Авг. 6, 2024
Язык: Английский
Процитировано
2
International Journal of Polymeric Materials, Год журнала: 2023, Номер 73(17), С. 1470 - 1487
Опубликована: Дек. 25, 2023
Nafion is a sulfonated tetrafluoroethylene based fluoropolymer that has been widely used as membrane material for various applications, such fuel cells, batteries, and sensors. some unique properties make it suitable biosensing, high ionic conductivity, biocompatibility, chemical stability, perm selectivity. can also act an immobilization matrix enzymes, antibodies, DNA molecules, other biomolecules, enhancing their stability activity on the electrode surface. In this review, we summarize recent advances applications of nafion biosensors detection analytes, glucose, lactate, hydrogen peroxide, DNA, urea, dopamin. We discuss incorporation nanoparticles into biosensors, they form synergistic interactions improve selectivity, sensitivity biosensor. highlight different transduction methods employed by electrochemical, electro chemiluminescence, or electrical impedance. Finally, outline challenges opportunities future research biosensors.
Язык: Английский
Процитировано
6
Biosensors, Год журнала: 2024, Номер 14(8), С. 373 - 373
Опубликована: Июль 31, 2024
The development of tools to quickly identify the fate damaged trees after a stress event such as wildfire is great importance. In this context, an innovative approach assess irreversible physiological damage in could help support planning management decisions for disturbed sites restore biodiversity, protect environment and understand adaptations ecosystem functionality. vitality can be estimated by several indicators, cambium activity amount starch soluble sugars, while accumulation ethanol cambial cells phloem considered alarm sign cell death. However, their determination requires time-consuming laboratory protocols, making impractical field. Biosensors hold considerable promise substantially advancing general objective review define system quantifying plant forest areas exposed fire. This describes recent electrochemical biosensors that detect molecules, focusing on glucose, fructose, indicators tree vitality.
Язык: Английский
Процитировано
1
Microchimica Acta, Год журнала: 2024, Номер 191(11)
Опубликована: Окт. 29, 2024
Язык: Английский
Процитировано
0