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Article
Biomass-derived Carbon dots and their coated surface as a potential antimicrobial agent
Carbon dots (CDs) with an average diameter of 6.3 nm were synthesized from the medicinal seed extract of Syzygium cumini L. using one-pot hydrothermal synthesis. The prepared CDs exhibited excitation-dependent em...
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Reference Work Entry In depth
Electrochemical Sensing and Biosensing-Based on Carbon Nanodots
Carbon quantum dots (CQDs) or simply carbon nanodots (CNDs) represent emerging materials in the form of nanocarbon, which have been advocated for diversified applications. Different top-down and bottom-up proc...
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Article
Electrochemical sensing of histamine using a glassy carbon electrode modified with multiwalled carbon nanotubes decorated with Ag-Ag2O nanoparticles
A glassy carbon electrode (GCE) was modified with a nanocomposite consisting of multiwalled carbon nanotubes (MWCNTs) loaded with silver-argentous oxide nanoparticles (Ag-Ag2O). The electrode is shown as a viable...
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Chapter
Bioanalytical Parameters in Immunoassays and Their Determination
Immunoassays (IAs) play a prominent role in in vitro diagnostics (IVD) of single or multiple analytes in patient samples, a prerequisite for the monitoring and management of health. Stringent bioanalytical tes...
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Chapter
An Overview of Point-of-Care Technologies Enabling Next-Generation Healthcare Monitoring and Management
Point-of-care (POC) technologies have advanced considerably during the last decade to pave the way to the emergence of next-generation healthcare monitoring and management. The most prominent developments enco...
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Chapter
Commercially Available Smartphone-Based Personalized Mobile Healthcare Technologies
Smartphone-based personalized mobile healthcare devices (SPMHDs) have become efficient with cost-effectiveness for monitoring and management of healthcare, particularly at remote, decentralized, and personal s...
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Chapter
Future Trends for the Next Generation of Personalized and Integrated Healthcare for Chronic Diseases
The rapid advances in point-of-care testing (POCT), mobile healthcare (mH), and smart applications are paving the way toward better healthcare monitoring and management of chronic diseases. In the "not too dis...
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Chapter
Smartphone-Based Point-of-Care Technologies for Mobile Healthcare
Smartphone (SP)-based devices and associated tools have emerged as ideal next-generation point-of-care devices (POCD) for in vitro diagnostics (IVD) of important physiological parameters including blood glucos...
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Article
Silver-doped CdS quantum dots incorporated into chitosan-coated cellulose as a colorimetric paper test stripe for mercury
Silver-doped CdS quantum dots capped with mercaptoacetic acid were incorporated into a chitosan-coated filter paper to fabricate a colorimetric test stripe for mercury. Chitosan assisted in the stabilization o...
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Protocol
Rapid Electrochemical Detection of Pseudomonas aeruginosa Signaling Molecules by Boron-Doped Diamond Electrode
As the leading cause of morbidity and mortality of cystic fibrosis (CF) patients, early detection of Pseudomonas aeruginosa (PA) is critical in the clinical management of this pathogen. Herein, we describe rapid ...
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Article
Achievement and assessment of direct electron transfer of glucose oxidase in electrochemical biosensing using carbon nanotubes, graphene, and their nanocomposites
Carbon nanotubes, graphenes, and their hybridized composites with nanoparticles have been attempted to establish a direct electrical communication between the recognition biomolecule and its underlying electro...
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Protocol
A Smartphone-Based Colorimetric Reader for Human C-Reactive Protein Immunoassay
A smartphone-based colorimetric reader (SBCR), comprising a Samsung Galaxy SIII mini, a gadget (iPAD mini, iPAD4, or iPhone 5s) and a custom-made dark hood and base holder assembly, is used for human C-reactiv...
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Article
Synthesis and electrochemical detection of a thiazolyl-indole natural product isolated from the nosocomial pathogen Pseudomonas aeruginosa
Pseudomonas aeruginosa is a Gram-negative opportunistic pathogen, capable of surviving in a broad range of natural environments and quickly acquiring resistance. It is associated with hos...
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Article
Open AccessMolecular Signature of Pseudomonas aeruginosa with Simultaneous Nanomolar Detection of Quorum Sensing Signaling Molecules at a Boron-Doped Diamond Electrode
Electroanalysis was performed using a boron-doped diamond (BDD) electrode for the simultaneous detection of 2-heptyl-3-hydroxy-4-quinolone (PQS), 2-heptyl-4-hydroxyquinoline (HHQ) and pyocyanin (PYO). PQS and ...
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Article
Fluorometric determination of hydrogen sulfide via silver-doped CdS quantum dots in solution and in a test strip
Silver-doped CdS quantum dots capped with mercaptoacetic acid (CdSAg-MAA QDs) were prepared and are shown to be a quenchable fluorescent probe for hydrogen sulfide (H2S). The optimized approach exhibits a linear ...
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Article
Open AccessOne-step antibody immobilization-based rapid and highly-sensitive sandwich ELISA procedure for potential in vitro diagnostics
An improved enzyme-linked immunosorbent (ELISA) assay using one-step antibody immobilization has been developed for the detection of human fetuin A (HFA), a specific biomarker for atherosclerosis and hepatocel...
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Article
Reinforced plastics and aerogels by nanocrystalline cellulose
Nanocrystalline cellulose (NCC), a rigid rod-like nanoscale material, can be produced from cellulosic biomass in powder, liquid, or gel forms by acid and chemical hydrolysis. Owing to its unique and exceptiona...
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Protocol
Purification, Functionalization, and Bioconjugation of Carbon Nanotubes
Bioconjugation of carbon nanotubes (CNTs) with biomolecules promises exciting applications such as biosensing, nanobiocomposite formulation, design of drug vector systems, and probing protein interactions. Pri...
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Article
Activation of Nanoparticles by Biosorption for E. coli Detection in Milk and Apple Juice
Two types of silver nanoparticles were activated by specific sorption of biomolecules for the detection of Escherichia coli. The capture of this bacterium was performed using polyclonal antibodies (anti-E. coli) ...
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Article
A source study of atmospheric polycyclic aromatic hydrocarbons in Shenzhen, South China
Air pollution has become a serious problem in the Pearl River Delta, South China, particularly in winter due to the local micrometeorology. In this study, atmospheric polycyclic aromatic hydrocarbons (PAHs) we...
