Showing 1,941 - 1,960 results of 1,995 for search '"Screen printing"', query time: 0.17s Refine Results
  1. 1941

    Serotonin electrochemical detection in tomatoes at MWCNT-AONP nanocomposite modified electrode by Pholoso C Motsaathebe, Omolola E Fayemi

    Published 2021-01-01
    “…This work reports on the successful synthesis of antimony oxide nanoparticles (AONPs) by hydrothermal method, acid treatment of multi-walled carbon nanotubes (f-MWCNTs), and fabrication of a MWCNT-AONP nanocomposite on screen-printed carbon electrodes (SPCE) to detect serotonin (5-HT) in tomatoes. …”
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    Article
  2. 1942

    Thioglycolic acid-capped gold nanoparticle/cytochrome P450-2E1 electrochemical biosensor for isoniazid by Ziyanda Zamaswazi Tshobeni, Jaymi Leigh January, Nokwanda Precious Pearl Ngema, Abongile Nwabisa Jijana, Emmanuel Iheanyichukwu Iwuoha, Takalani Mulaudzi, Samantha Fiona Douman, Rachel Fanelwa Ajayi

    Published 2023-08-01
    “…The nanobiosensor consists of a cytochrome P450-2E1 (CYP2E1) isoenzyme covalently attached to a screen printed or disk gold electrode (Au), functionalized with thioglycolic acid-capped gold nanoparticle (TGA-AuNP). …”
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    Article
  3. 1943

    Electrochemical characterization of carbon black in different redox probes and their application in electrochemical sensing by Ruchika Chauhan, Ronen Fogel, Cristina Purcarea, Georgiana Necula-Petrareanu, Pablo Fanjul-Bolado, David Ibañez, Alina Vasilescu, Roberta Maria Banciu, Janice Limson

    Published 2024-12-01
    “…CB grades were used to modify screen-printed carbon electrodes and the obtained sensors examined for anodic detection of reduced nicotinamide adenine dinucleotide (NADH) cofactor by cyclic voltammetry. …”
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    Article
  4. 1944

    Enhancing early warning: A DNA biosensor with polyaniline/graphene nanocomposite for label-free voltammetric detection of saxitoxin-producing harmful algae by Chwan Chuong Chin, Jeremy Jason, Akbar, Muhamad Afiq, Mohd Yusof, Nurul Yuziana, Pike, Andrew, Goh, Choo Ta, Mustapha, Shuhadah, Tan, Ling Ling

    Published 2024
    “…Hence, this research aims to develop a single DNA biosensor that can detect a group of HAB species known for producing saxitoxin (SXT), which is commonly found in Malaysian waters. The screen-printed carbon electrode (SPCE)-based DNA biosensor was fabricated by covalent grafting of the 3’ aminated DNA probe of the sxtA4 conserved domain in SXT-producing dinoflagellates on the reverse-phase polymerized polyaniline/graphene (PGN) nanocomposite electrode via carbodiimide linkage. …”
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    Article
  5. 1945

    Conductive Ink-Coated Paper-Based Supersandwich DNA Biosensor for Ultrasensitive Detection of <i>Neisseria gonorrhoeae</i> by Niharika Gupta, D. Kumar, Asmita Das, Seema Sood, Bansi D. Malhotra

    Published 2023-04-01
    “…The ink formulation prepared for the study was found to be highly thixotropic, which indicates that the paper electrodes can be screen-printed in a reproducible and scalable manner.…”
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    Article
  6. 1946

    A New and All-Solid-State Potentiometric Aluminium Ion Sensor for Water Analysis by Kook Shih Ying, Lee Yook Heng, Nurul Izzaty Hassan, Siti Aishah Hasbullah

    Published 2020-12-01
    “…Both electrodes were made from Ag/AgCl screen-print electrodes fabricated from a non-plasticized and photocurable poly(<i>n</i>-butyl acrylate) membrane that contained various other membrane components. …”
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    Article
  7. 1947

    Evaluation of Transducer Elements Based on Different Material Configurations for Aptamer-Based Electrochemical Biosensors by Ivan Lopez Carrasco, Gianaurelio Cuniberti, Jörg Opitz, Natalia Beshchasna

    Published 2024-07-01
    “…In the frame of this study, the following three specific material configurations with gold-finish layers were investigated regarding their efficacy to be used as electrochemical (EC) biosensors: (I) a silicone-based sensor substrate with a layer configuration of 50 nm SiO/50 nm SiN/100 nm Au/30–50 nm WTi/140 nm SiO/bulk Si); (II) polyethylene naphthalate (PEN) with a gold inkjet-printed layer; and (III) polyethylene terephthalate (PET) with a screen-printed gold layer. Electrodes were characterized using electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) to evaluate their performance as electrochemical transducers in an aptamer-based biosensor for the detection of cardiac troponin I using the redox molecule hexacyanoferrade/hexacyaniferrade (K3[Fe (CN)6]/K4[Fe (CN)6]. …”
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    Article
  8. 1948

    Optimization of solid oxide cells short stack with large area cells by Lim, Kok Ping

    Published 2016
    “…La0.6Sr0.4Co0.2Fe0.8O3+d (LSCF) was screen printed onto both sides of electrolyte and its electrochemical performance was tested. …”
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    Final Year Project (FYP)
  9. 1949

    Synthesis and fabrication of nanocomposite magnesia doped barium strontium titanate for thick film humidity sensor by Farahani, Hamid Barzabadi

    Published 2013
    “…The thick film inks were prepared by mixing appropriate ratio of an organic vehicle and heat treated nanocomposites, and screen printed onto an alumina substrate utilizing DEK-J1202RS automatic machine. …”
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    Thesis
  10. 1950

    Fabrication of porcine DNA biosensor based on ruthenium bipyridine complex by Abdullah Halid, Nurul Izni, Zakariah, Emma Izzati, Lee, Yook Heng, Abd Karim, Nurul Huda, Ahmad, Haslina, Hasbullah, Siti Aishah

    Published 2016
    “…The system of biosensor is based on the modified screen printed carbon electrode (SPE) with goldnanoparticles (AuNPs) as transducer immobilized with poly(n-butylacrylate-N-acryloxysuccinimide) microsphere and porcine DNA probe sequences was attached onto it via the covalent bond. …”
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    Article
  11. 1951

    Synthesis and characterization of polyaniline crystalline nanocellulose composite for cholesterol biosensor application by Razalli, Rawaida Liyana

    Published 2017
    “…A cholesterol biosensor was developed by the modification of Screen-Printed Electrode (SPE) with a polyaniline/crystalline nanocellulose (PANi/CNC) A thin layer of ionic liquid (IL) was used to enhance the electron transfer and cholesterol oxidase (ChOx) was immobilized on the substrate for biological recognition. …”
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    Thesis
  12. 1952

    Synthesis of polypyrrole/tannin/cetyltrimethylammonium bromide nanocomposites for dopamine detection by Mohd Azli, Nor Farhana Waheeda

    Published 2018
    “…The resulting PPy/TA/CTAB nanocomposite was used to modify screen printed carbon electrode (SPCE) for developing a dopamine (DA) biosensor. …”
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    Thesis
  13. 1953

    Electrochemical determination of iodine in iodized salt using cetyltrimethylammonium bromide as ion pairing at bare and electrochemically reduced graphene oxide electrodes by Jamilan, Mohd. Azerulazree

    Published 2019
    “…Two type of electrodes namely screen-printed carbon electrode (SPCE) and electrochemically reduced graphene oxide modified SPCE (ERGO/SPCE) were used. …”
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    Thesis
  14. 1954

    Development Of Working Electrode Modified By Iron Oxide Nanoparticles For Glucose Biosensor Applications by Mohamad Nor, Noorhashimah

    Published 2019
    “…In enzymatic glucose biosensor, the indium tin oxide (ITO) electrode and screen printed carbon electrode (SPCE) were modified with IONPs–0.25 CA, glucose oxidase (GOx) enzymes and Nafion layer. …”
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    Thesis
  15. 1955

    Electrochemical Resistive DNA Biosensor for the Detection of HPV Type 16 by José R. Espinosa, Marisol Galván, Arturo S. Quiñones, Jorge L. Ayala, Verónica Ávila, Sergio M. Durón

    Published 2021-06-01
    “…A DNA probe, complementary to the specific human papillomavirus type 16 (HPV-16) sequence, was immobilized onto a screen-printed gold electrode. DNA hybridization was detected by applying a potential step of 30 mV to the system, composed of an external capacitor and the modified electrode DNA/gold, for 750 µs and then relaxed back to the OCP, at which point the voltage and current discharging curves are registered for 25 ms. …”
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    Article
  16. 1956

    Optimisation of an Electrochemical DNA Sensor for Measuring KRAS G12D and G13D Point Mutations in Different Tumour Types by Bukola Attoye, Matthew J. Baker, Fiona Thomson, Chantevy Pou, Damion K. Corrigan

    Published 2021-02-01
    “…Following pre-treatment of the sensor to ensure homogeneity, DNA probes developed specifically for detection of the KRAS G12D and G13D mutations were immobilized onto low-cost screen printed carbon electrodes using diazonium chemistry and 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride/N-hydroxysuccinimide coupling. …”
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    Article
  17. 1957

    New Strategy for Improved Conductivity and Redox-Enhanced Supercapacitor Performance of Nickel Metal-Organic Framework by Bose Dinesh, Natarajan Saravanan, Annamalai Senthil Kumar

    Published 2022-08-01
    “…Electrochemical studies of CB@Ni-MOF modified screen-printed carbon electrode showed about ten times enhanced peak current and surface excess value (24.8 nmol.cm−2) over the respective pristine Ni-MOF modified electrode (1.9 nmol.cm−2) in 1 M NaOH solution. …”
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    Article
  18. 1958

    Sequence-Specific Electrochemical Genosensor for Rapid Detection of <i>bla</i><sub>OXA-51-like</sub> Gene in <i>Acinetobacter baumannii</i> by Swarnaletchumi Kanapathy, Godwin Attah Obande, Candy Chuah, Rafidah Hanim Shueb, Chan Yean Yean, Kirnpal Kaur Banga Singh

    Published 2022-07-01
    “…A <i>bla</i><sub>OXA-51-like</sub> gene sequence-specific biotin labelled capture probe was designed and immobilized using a synthetic oligomer (FAM-labelled) deposited on the working electrode of a streptavidin-modified, screen-printed carbon electrode (SPCE). The <i>zot</i> gene was used as an internal control with biotin and FAM labelled as forward and reverse primers, respectively. …”
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    Article
  19. 1959

    Gold Nanoparticle-Embedded Thiol-Functionalized Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene for Sensitive Electrochemical Sensing of Ciprofloxacin by Mari Elancheziyan, Manisha Singh, Keehoon Won

    Published 2024-10-01
    “…In order to overcome these concerns, this work introduces a portable electrochemical sensor based on a disposable integrated screen-printed carbon electrode (SPCE) coated with gold nanoparticle-embedded thiol-functionalized Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene (AuNPs-S-Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene) for simple, rapid, precise, and sensitive quantification of CIPF in milk and water samples. …”
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    Article
  20. 1960

    An Ultrasensitive Voltammetric Genosensor for the Detection of Bacteria <i>Vibrio cholerae</i> in Vegetable and Environmental Water Samples by Dedi Futra, Ling Ling Tan, Su Yin Lee, Benchaporn Lertanantawong, Lee Yook Heng

    Published 2023-06-01
    “…The aminated capture probe was immobilized onto the Si-Au nanocomposite-modified carbon screen printed electrode (Si-Au-SPE) via an imine covalent bond with glutaraldehyde (GA), which served as the bifunctional cross-linking agent. …”
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    Article