Results 71 to 80 of about 7,222 (224)

The application of nanomaterials in electrochemical sensors and biosensors [PDF]

, 2007
Nanotechnology has recently become one of the most exciting forefront fields in analytical chemistry. A wide variety of nanoscale materials of different sizes, shapes and composltlons at the 1-100 nm scale, are now available.
Ambrosi, Adriano
core  

Electrochemical immunosensor for rapid and sensitive determination of estradiol

, 2012
This work describes the preparation of an electrochemical immunosensor for estradiol based on the surface modification of a screen printed carbon electrode with grafted p-aminobenzoic acid followed by covalent binding of streptavidin (Strept) and ...
Lopez-Montero, Judith, Ojeda Fernández, Irene, González Cortés, Araceli, Pingarrón Carrazón, José Manuel, Yáñez-Sedeño Orive, Paloma, Moreno Guzmán, María, Janegitz, Bruno   +6 more
core   +1 more source

Unlocking the Potential of MXene‐Based Electrochemical Biosensors: A Review of Biofunctionalization Strategies and Biosensing Principles

Advanced Materials Technologies, Volume 11, Issue 12, 18 June 2026.
ABSTRACT Electrochemical biosensors enable the accurate and timely detection of clinical biomarkers, improving healthcare and precision medicine. MXene nanosheets, a class of 2D transition metal carbides, nitrides, and carbonitrides, are promising materials for developing next‐generation electrochemical biosensors due to their unique physicochemical ...
Muhsin Ali, Sharat Chandra Barman, Isobel Steer, Aya H. Alshareef, Dana Alsulaiman   +4 more
wiley   +1 more source

Electrochemical Immunosensors for Detection of Cancer Protein Biomarkers [PDF]

ACS Nano, 2012
Bioanalytical methods have experienced unprecedented growth in recent years, driven in large part by the need for faster, more sensitive, more portable ("point of care") systems to detect protein biomarkers for clinical diagnosis. Electrochemical detection strategies, used in conjunction with immunosensors, offer advantages because they are fast ...
Bhaskara V, Chikkaveeraiah, Ashwinkumar A, Bhirde, Nicole Y, Morgan, Henry S, Eden, Xiaoyuan, Chen   +4 more
openaire   +2 more sources

Biosensors for Biotoxins Detection and Monitoring

Advanced Sensor Research, Volume 5, Issue 6, June 2026.
This review examines state‐of‐the‐art biosensing platforms for biotoxin detection, including antibody‐, aptamer‐, CRISPR‐, nanopore‐, whole cells‐ and MIP‐based sensors. It highlights advances in ultra‐sensitive detection, real‐matrix validation in food and water, and multiplexed analysis, and discusses how the integration with machine learning ...
Alissa Agerova, Juan Francisco Bada Juarez, Matteo Dal Peraro   +2 more
wiley   +1 more source

A disposable electrochemical immunosensor for the determination of leptin in serum and breast milk

, 2013
The preparation of a disposable electrochemical immunosensor for the quantification of the hormone leptin is described in this work. The preparation approach involved immobilization of a specific biotinylated anti-leptin antibody on the surface of ...
María Moreno-Guzmán, Araceli González-Cortés, Ojeda Fernández, Irene, González Cortés, Araceli, Pingarrón Carrazón, José Manuel, Yáñez-Sedeño Orive, Paloma, José M. Pingarrón, Paloma Yáñez-Sedeño, Irene Ojeda, Moreno Guzmán, María   +9 more
core   +1 more source

Advancing CEA quantification: Designing a sensitive electrochemical immunosenor using MWCNT/Ni(OH)2 nanocomposite

Heliyon
An ultra-sensitive immunosensor was designed for the accurate determination of Carcinoembryonic Antigen (CEA). To enhance the performance of immunosensor, an MWCNT/Ni(OH)2 nanocomposite was utilized as the electrochemical interface and modifier of the ...
Ali Shamsazar, Mahsa Soheili Moghaddam, Asadollah Asadi, Majid Mahdavi   +3 more
doaj   +1 more source

Multimodal Multiorgan‐on‐a‐Chip Platform for Probing Liver‐Tumor Interactions and Advancing Prodrug Screening

Advanced Science, Volume 13, Issue 34, 19 June 2026.
This work introduces a multimodal multi‐OoC platform that overcomes current limitations in liver‐tumor interaction studies and prodrug screening. By integrating dynamic microfluidic circuits, electrochemical sensing, and mass analysis, this platform enables non‐invasive, longitudinal monitoring of drug metabolism and hepatotoxicity, offering a ...
Dan Wang, Yisong Huang, Weijian Zhao, Tian Chen, Siyu Bai, Denghui Guo, Mengying Wang, Yaoyao Zhao, Liang Zhao, Guangsheng Guo, Xiayan Wang   +10 more
wiley   +1 more source

Selenium‐Based Nanoplatforms: An Emerging Theranostic Paradigm for Gynecological Cancers

Advanced Science, Volume 13, Issue 33, 15 June 2026.
This reivew summarizes Selenium as a multifunctional anticancer regulator in gynecological cancers. It reduces tumor risk, enhances therapeutic efficacy, and reduces treatment toxicity. Selenium also overcomes chemoraditherapy resistance, improving overall treatment outcomes. ABSTRACT Gynecological cancers present significant therapeutic challenges due
Hejing Liu, Yujia Zhou, Zihan Zhang, Rong Ma, Luyi Ruan, Liqing Miao, Boxin Zhang, Huihui Ji, Tianfeng Chen, Xueqiong Zhu   +9 more
wiley   +1 more source

Label-Free Detection of Salivary Pepsin Using Gold Nanoparticle/Polypyrrole Nanocoral Modified Screen-Printed Electrode

Sensors, 2018
Detection of salivary pepsin has been given attention as a new diagnostic tool for laryngopharyngeal reflux (LPR) disease, because saliva collection is non-invasive and relatively comfortable.
Doyeon Lee, Young Ju Lee, Young-Gyu Eun, Gi-Ja Lee   +3 more
doaj   +1 more source