Results 51 to 60 of about 54,612 (308)

Semiconducting carbon nanotube fibers for electrochemical biosensor platforms

Materials & Design, 2020
We report the fabrication of semiconducting single-walled carbon nanotube (sc-SWNT) fibers via wet-spinning for electrochemical biosensor platforms. SWNTs were purified using thermal and acid treatments and separated into metallic SWNTs and sc-SWNTs. The
Jin Yong Lee, Dong-guk Cho, Sung-Pyo Cho, Jae-Hyuk Choi, Sae Jin Sung, Seunghun Hong, Woong-Ryeol Yu   +6 more
doaj   +1 more source

Detection of plasma miR-223 by a novel label-free graphene oxide/gold nanocomposite immunosensor in colorectal cancer patients: An electrochemical biosensor approach

Biosensors and Bioelectronics: X, 2023
MicroRNAs (miRNAs) are one group of the pertinent molecular biomarkers in the early detection of cancers, especially colorectal cancer. A simple and label-free nanostructured electrochemical biosensor was fabricated to detect miR-223, a colorectal cancer
Abolfazl Akbari, Hadi Hashemzadeh, Zahra Shokati Eshkiki, Mohsen Masoodi, Seidamir Pasha Tabaeian, Hossein Naderi-Manesh, Ali Akbar Zare, Shahram Agah   +7 more
doaj   +1 more source

Horseradish and soybean peroxidases: comparable tools for alternative niches? [PDF]

, 2006
Horseradish and soybean peroxidases (HRP and SBP, respectively) are useful biotechnological tools. HRP is often termed the classical plant heme peroxidase and although it has been studied for decades, our understanding has deepened since its cloning and ...
Alonso Lomillo, Alpeeva, Azevedo, Azevedo, Azevedo, Barry J. Ryan, Bruns, Bódalo, Campanella, Castilho, Castillo, Chen, Cho, Ciarán Ó’Fágáin, Colas, Dachs, Dai, Dai, dos Santos, Dotsikas, Dunford, Duroux, Ferapontova, Ferapontova, Ferapontova, Folkes, Gajhede, Gazaryan, Gazaryan, Gijzen, Gray, Gustafsson, Henriksen, Hoffmann, Howes, Howes, Howes, Hoyle, Hushpulian, Ignatenko, Jung, Kamal, Kamiya, Katz, Kazlauskas, Kenausis, Kim, Kim, Klibanov, Knutson, Konash, Kreiner, Lee, Lei, Li, Li, Lin, Lin, Lindgren, Liu, Luong, Mendive, Michizoe, Morawski, Morawski, Morgan, Morimoto, Mukai, Nagano, Neil Carolan, Newmyer, Newmyer, Nicell, Ozaki, Patel, Paul, Penalva, Poljaková, Rahman, Rauf, Rodriguez-Lopez, Rossiter, Sakharov, Schmitz, Schuvailo, Shipovskov, Smith, Smith, Song, Sun, Tafazoli, Tanaka, Teilum, Tupper, Tønning, van de Velde, van de Velde, Varnado, Veitch, Veitch, Veitch, Veitch, Verpoorte, Vreeke, Wandersman, Wang, Wang, Wanger, Welinder, Welinder, Welinder, Won, Woodard, Wu, Wuhrer, Yan, Yuan, Zhang, Zhang, Zhu   +119 more
core   +2 more sources

An Electrochemical Biosensor Platform for Rapid Immunoanalysis of Physiological Fluids

IEEE Open Journal of Nanotechnology, 2020
Cytokines are multifunctional chemical messengers produced in response to stimuli for regulating the innate and adaptive immune systems. Rapid detection of cytokines in physiological fluids will enable precision management of diseases, such as dry eye ...
Sandeep Punj, Deepika Sidhu, Dhruva Bhattacharya, Mingwu Wang, Pak Kin Wong   +4 more
doaj   +1 more source

Model Electrochemical Biosensor for the Detection of Methanol in Aqueous Solutions with Yeast Cells

Acta Chimica Slovenica, 2021
An electrochemical device that serves as a model biosensor and contains yeast Saccharomyces cerevisiae as the active biological element was developed. Different configurations of the electrochemical cells were assembled and tested.
Zala Štukovnik, Urban Bren, Martin Rozman   +2 more
doaj   +1 more source

Community sewage sensors towards evaluation of drug use trends: detection of cocaine in wastewater with DNA-directed immobilization aptamer sensors [PDF]

, 2016
Illicit drug use has a global concern and effective monitoring and interventions are highly required to combat drug abuse. Wastewater-based epidemiology (WBE) is an innovative and cost-effective approach to evaluate community-wide drug use trends ...
Castrignanò, Erika, Estrela, Pedro, Frost, Christopher G., Kasprzyk-Hordern, Barbara, Yang, Zhugen   +4 more
core   +3 more sources

Electrochemical Performance and Electrocatalytic Behavior of Myoglobin Modified TiO2@3D Graphene Composite Electrode

International Journal of Electrochemical Science, 2021
In the study titanium dioxide (TiO2) doped three-dimensional graphene (3DGR) nanocomposite (TiO2@3D GR) was prepared via a one-step hydrothermal synthesis method.
Yunxiu Sun, Wei Chen, Xiaoqing Li, Qinyang Yu, Yuxin Zhu, Yitong Wang, Lin Chen, Wei Sun, Guangjiu Li, Yanyan Niu   +9 more
doaj   +1 more source

Catalytic fuel cell used as an analytical tool for methanol and ethanol determination. Application to ethanol determination in alcoholic beverages [PDF]

, 2016
A small direct catalytic methanol 'fuel cell' was used for analytical purposes. Three different formats were investigated for methanol and ethanol determination: two different Open Circuit Voltage (OCV) formats and a potentiostatic (i.e.
Giovanni Merola, Luigi Campanella, Mauro Castrucci, Mauro Tomassetti, Riccardo Angeloni   +4 more
core   +1 more source

A Novel Electrochemical Biosensor Based On Fe3O4 Nanoparticles-Polyvinyl Alcohol Composite for Sensitive Detection of Glucose [PDF]

, 2017
In this research, a new electrochemical biosensor was constructed for the glucose detection. Iron oxide nanoparticles (Fe3O4) were synthesized through co-precipitation method.
Abdolrahim, Mojgan, Rabiee, Mohammad, Sanaeifar, Niuosha, Tahriri, Mohammadreza, Tayebi, Lobat, Vashaee, Daryoosh   +5 more
core   +1 more source

Highly Sensitive Electrochemical Biosensor Based on Hairy Particles with Controllable High Enzyme Loading and Activity

Advanced Functional Materials, EarlyView.
For the first time, a highly sensitive electrochemical biosensor based on SiO2‐based hairy particles with a grafted PDMAEMA polymer brush containing a quantifiable and large amount of immobilized Laccase is reported. The fabricated biosensor exhibits a sensitivity of 0.14 A·m⁻¹, a limit of detection (LOD) of 0.1 µm, and a detection range of 0.3–750 µm,
Pavel Milkin, Anila Antony, Hongtao Cai, Antonia Debevc, Ceyda Topal, Anne Linhardt, Alla Synytska, Leonid Ionov   +7 more
wiley   +1 more source