Results 21 to 30 of about 67,218 (164)

An Unlabeled Electrochemical Immunosensor Uses Poly(thionine) and Graphene Quantum Dot-Modified Activated Marigold Flower Carbon for Early Prostate Cancer Detection

open access: yesBiosensors
The activated carbon from marigold flowers (MG) was used to make an unlabeled electrochemical immunosensor to determine prostate cancer. MG was synthesized by hydrothermal carbonization and pyrolysis.
Suparat Cotchim   +4 more
doaj   +1 more source

Self-supervised representation learning using feature pyramid siamese networks for colorectal polyp detection

open access: yesScientific Reports, 2023
Colorectal cancer is a leading cause of cancer-related deaths globally. In recent years, the use of convolutional neural networks in computer-aided diagnosis (CAD) has facilitated simpler detection of early lesions like polyps during real-time ...
Tianyuan Gan   +5 more
doaj   +1 more source

A Review of Recent Advances in Flexible Wearable Sensors for Wound Detection Based on Optical and Electrical Sensing

open access: yesBiosensors, 2021
Chronic wounds that are difficult to heal can cause persistent physical pain and significant medical costs for millions of patients each year. However, traditional wound care methods based on passive bandages cannot accurately assess the wound and may ...
Xianyou Sun   +6 more
doaj   +1 more source

Synthesis and characterization of ZnS quantum dots and application for development of arginine biosensor

open access: yesSensing and Bio-Sensing Research, 2017
Arginine deiminase co-immobilized with ZnS QDs coupled micro-disk was applied for the sensing of arginine in real and spiked fruit samples. Intracellular arginine deiminase from Lactococcus lactis MTCC 460 was partially purified by ammonium sulphate ...
Neelam Verma   +2 more
doaj   +1 more source

Evaluating the efficacy and cardiotoxicity of EGFR-TKI AC0010 with a novel multifunctional biosensor

open access: yesMicrosystems & Nanoengineering, 2023
Non-small cell lung cancer (NSCLC) is a leading cause of cancer mortality worldwide. Although epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) have dramatically improved the life expectancy of patients with NSCLC, concerns about ...
Deming Jiang   +11 more
doaj   +1 more source

An In Vitro HL-1 Cardiomyocyte-Based Olfactory Biosensor for Olfr558-Inhibited Efficiency Detection

open access: yesChemosensors, 2022
Some short-chain fatty acids with a pungent or unpleasant odor are important components of human body odor. These malodors severely threaten human health.
Qunchen Yuan   +9 more
doaj   +1 more source

Salivary Cortisol Determination on Smartphone-Based Differential Pulse Voltammetry System

open access: yesSensors, 2020
Cortisol is commonly used as a significant biomarker of psychological or physical stress. With the accelerated pace of life, non-invasive cortisol detection at the point of care (POC) is in high demand for personal health monitoring.
Jingjing Liu   +10 more
doaj   +1 more source

Isolation and Characterization of Antiangiogenesis Compounds from the Fungus Associated with Using Zebrafish Assay

open access: yesNatural Product Communications, 2017
Three compouds, (+)-butyrolactone IV ( 1 ), butyrolactone I ( 2 ) and terrelactone A ( 3 ) were isolated from the fungus Aspergillus terreus associated with Apostichopus japonicus from the Yellow Sea in China; their structures were elucidated by spectral
Jun Qi   +8 more
doaj   +1 more source

Planar-electroporated cell biosensor for investigating potential therapeutic effects of ectopic bitter receptors

open access: yesMicrosystems & Nanoengineering
Bitter receptors were initially identified within the gustatory system. In recent years, bitter receptors have been found in various non-gustatory tissues, including the cardiovascular system, where they participate in diverse physiological processes. To
Changming Chen   +11 more
doaj   +1 more source

Bioelectronic Interfaces and Sensors for Neural Organoids

open access: yesMicrosystems & Nanoengineering
Neural organoids are emerging as promising in vitro models, offering a unique platform to partially recapitulate the structural and functional complexity of the human nervous system.
Qifei Wang   +10 more
doaj   +1 more source

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