Recent advances in nanoparticle based aptasensors for food contaminants

R Sharma, KV Ragavan, MS Thakur… - Biosensors and …, 2015 - Elsevier
Food safety and hazard analysis is a prime concern of human life, thus quality assessment
of food and water is the need of the day. Recent advances in nano-biotechnology play a …

Detection methodologies for pathogen and toxins: A review

MEE Alahi, SC Mukhopadhyay - Sensors, 2017 - mdpi.com
Pathogen and toxin-contaminated foods and beverages are a major source of illnesses,
even death, and have a significant economic impact worldwide. Human health is always …

Functionalized gold nanoparticles/reduced graphene oxide nanocomposites for ultrasensitive electrochemical sensing of mercury ions based on thymine–mercury …

N Wang, M Lin, H Dai, H Ma - Biosensors and Bioelectronics, 2016 - Elsevier
A sensitive, selective and reusable electrochemical biosensor for the determination of
mercury ions (Hg 2+) has been developed based on thymine (T) modified gold …

New biorecognition molecules in biosensors for the detection of toxins

I Bazin, SA Tria, A Hayat, JL Marty - Biosensors and Bioelectronics, 2017 - Elsevier
Biological and synthetic recognition elements are at the heart of the majority of modern
bioreceptor assays. Traditionally, enzymes and antibodies have been integrated in the …

Cu-based metal–organic frameworks as a catalyst to construct a ratiometric electrochemical aptasensor for sensitive lipopolysaccharide detection

WJ Shen, Y Zhuo, YQ Chai, R Yuan - Analytical chemistry, 2015 - ACS Publications
In this work, we developed a sensitive and efficient ratiometric electrochemical method for
lipopolysaccharide (LPS) detection using Cu-based metal–organic frameworks (Cu-MOFs) …

A novel labeled and label-free dual electrochemical detection of endotoxin based on aptamer-conjugated magnetic reduced graphene oxide-gold nanocomposite

M Zamani, M Pourmadadi, SAS Ebrahimi… - Journal of …, 2022 - Elsevier
Lipopolysaccharide (LPS) or endotoxin is an amphiphilic macromolecule found in the outer
membrane of gram-negative bacteria. Even low amounts of LPS could result in death …

Boronate affinity-amplified electrochemical aptasensing of lipopolysaccharide

Q Hu, W Feng, Y Liang, Z Liang, X Cao, S Li… - Analytical …, 2022 - ACS Publications
As lipopolysaccharide (LPS) is closely associated with sepsis and other life-threatening
conditions, the point-of-care (POC) detection of LPS is of significant importance to human …

An optical aptasensor for real-time quantification of endotoxin: From ensemble to single-molecule resolution

P Zhu, VA Papadimitriou, JE van Dongen… - Science …, 2023 - science.org
Endotoxin is a deadly pyrogen, rendering it crucial to monitor with high accuracy and
efficiency. However, current endotoxin detection relies on multistep processes that are labor …

Nanomaterials for biosensing lipopolysaccharide

P Sondhi, MHU Maruf, KJ Stine - Biosensors, 2019 - mdpi.com
Lipopolysaccharides (LPS) are endotoxins, hazardous and toxic inflammatory stimulators
released from the outer membrane of Gram-negative bacteria, and are the major cause of …

A glassy carbon electrode modified with reduced graphene oxide and gold nanoparticles for electrochemical aptasensing of lipopolysaccharides from Escherichia coli …

M Pourmadadi, JS Shayeh, M Omidi, F Yazdian… - Microchimica Acta, 2019 - Springer
An electrochemical aptasensor is described for the voltammetric determination of
lipopolysaccharide (LPS) from Escherichia coli 055: B5. Aptamer chains were immobilized …