The silver-plater developed for the preparation of silver-silver chloride electrodes attains constancy in electrochemical characteristics, circulating current during exactly identical periods with inverted polarity.
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Polymeric hydrogel integrated paper-based potentiometric ion-sensing device for the determination of sodium ions in human urine.
Analyst
January 2025
Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan.
A paper-based potentiometric sensor integrated with a polymeric hydrogel has been developed for sodium ion (Na) determination in human urine. The construction of an all-solid-state ion selective electrode (s-ISE) and an all-solid-state reference electrode (s-RE) on a photo paper substrate was achieved using an inkjet printing method. For s-ISE fabrication, carbon nanotubes (CNTs) and gold nanoparticles (AuNPs) were printed on the substrate as a nanocomposite solid contact.
View Article and Find Full Text PDFBioactivity of biogenic silver/silver chloride nanoparticles from rhizome extract: Antibacterial and antioxidant properties with anticancer potential against Ehrlich ascites carcinoma and human breast cancer cell lines.
Heliyon
October 2024
Department of Biochemistry & Molecular Biology, Faculty of Science, University of Rajshahi, Rajshahi, 6205, Bangladesh.
Introduction: This study explores the synthesis and characterization of silver/silver chloride nanoparticles (Ag/AgCl-NPs) using rhizome extract and evaluates their bioactivities, including antibacterial, antioxidant, and anticancer potentials.
Methods: The synthesis of Ag/AgCl-NPs was initially confirmed by a color change and a sharp peak at 463 nm in UV-visible spectroscopy. Further characterization was conducted using scanning electron microscopy (SEM), X-ray powder diffraction (XRD), and fourier transform infrared spectroscopy (FTIR).
Perceptual and Cognitive Effects of Focal Transcranial Direct Current Stimulation of Auditory Cortex in Tinnitus.
Neuromodulation
January 2025
Department of Radiology, Northwestern University, Chicago, IL, USA. Electronic address:
Article Synopsis
- Transcranial direct current stimulation (tDCS) is explored as a treatment for brain conditions, specifically its auditory and cognitive effects in chronic tinnitus patients, using tablet-based tasks for assessment.
- The study involved participants performing hearing and cognitive tasks before and after multiple sessions of active or sham tDCS.
- Results indicated that while overall auditory performance remained unchanged, there was a slight improvement in detecting sounds after active tDCS, but tDCS appeared to hinder cognitive task performance related to learning effects seen in sham sessions.
silver chloride nanoparticles and mediated silver/silver chloride nanoparticles inhibit human hepatocellular and lung cancer cell lines.
Biochem Biophys Rep
December 2024
Department of Biochemistry and Molecular Biology, Faculty of Science, University of Rajshahi, Rajshahi, 6205, Bangladesh.
Recently, we have reported that biogenic silver/silver chloride nanoparticles from (-AgCl-NPs) and (-Ag/AgCl-NPs) inhibited different cancer cells by inducing apoptosis and several genes alteration. Here for the first time, we assessed the effects of these two nanoparticles on human lung (A549) and hepatocellular (SMMC-7721) carcinoma cell lines. AgCl-NPs and -Ag/AgCl-NPs inhibited A549 cell growth with IC values of 22.
View Article and Find Full Text PDFGlucose Oxidase-Based Glucose Biosensing with a Simple Dual Ag/AgCl Probe Conductivity Readout.
Anal Chem
September 2024
School of Biomolecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Wang Chan Valley, Rayong 21210, Thailand.
We describe a conductometric assay of the enzymatic conversion of glucose to gluconic acid by dissolved glucose oxidase (GOx), using the generation of proton and gluconate from the reaction product dissociation for glucose detection. Simple basics of ionic conductivity, a silver/silver chloride wire pair, and a small applied potential translate glucose-dependent GOx activity into a scalable cell current. Enzyme immobilization and complex sensor design, involving extra nanomaterials or microfabrication of electrode structures, are entirely avoided, in contrast to all modern electrochemical glucose biosensors.
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