Dhésmon Lima

Synthesis and characterization of AuNPs using Monteverdia ilicifolia extract and modification of carbon-ceramic electrodes for detection of desvenlafaxine succinate

André Victor Bassani, Dhésmon Lima, Cássia Gonçalves Magalhães, Christiana Andrade Pessôa

This study sought to synthesize gold nanoparticles using the ethanolic extract of Monteverdia ilicifolia leaves via ultrasonic-assisted reduction. Techniques such as ultraviolet–visible spectroscopy, Fourier transform infrared spectroscopy, dynamic light scattering, and zeta potential were used in their characterization. Field emission scanning electron …

br, ca (code pays fourni par la source)

Spicy Electrochemistry: Quantifying Chili Heat as a Didactic Approach to Incorporate Electroanalysis into the Undergraduate Curriculum

Dhésmon Lima, Nikita Thomas, Ali I. Kandil, Joey A. Lussier et autres

Electroanalysis is essential in undergraduate analytical chemistry labs, but it often lacks practical coverage, creating a gap between theory and experiment that hinders student learning. Practical training in electroanalysis is increasingly important, as analytical electrochemistry skills are in demand in the job …

ca (code pays fourni par la source)

A sensitive electrochemical DNA biosensor for detecting the genome of a plant growth-promoting bacteria

Felipe Zahrebelnei, Dhésmon Lima, Lucas Stori de Lara, Derik W. Gryczak et autres

br, ca (code pays fourni par la source)

Tracking carboplatin chemoresistance in ovarian cancer by scanning electrochemical microscopy

Mengzhen Lyu, Katherine Bazin, Dao Trinh, Michael A. Saley et autres

Drug resistance in cancer presents a significant challenge in oncology, contributing to most chemotherapy failures. Early detection of drug resistance is crucial for improving treatment outcomes. Ovarian cancer is often treated with platinum-based drugs, such as carboplatin (CBDCA), but unfortunately, resistance to …

ca, fr (code pays fourni par la source)

Silsesquioxanes as Promising Materials for the Development of Electrochemical (Bio)Sensors

Felipe Zahrebelnei, Ariane Caroline Ribicki, Aline Martins Duboc Natal, Sérgio Toshio Fujiwara et autres

Silsesquioxanes (SSQs) comprise an interesting and versatile class of three-dimensional organosilicate oligomers with diverse structural arrangements and interesting physicochemical properties. SSQs are of considerable technological interest, with applications that include the development of electrochemical detection devices. The presence of functional groups on …

br, ca (code pays fourni par la source)

Cytochrome c Oxidase Detection in Human Fibroblasts Using Scanning Electrochemical Microscopy

Shubhneet Thind, Dhésmon Lima, Evan P. Booy, Dao Trinh et autres

Cytochrome C Oxidase Deficiency (COXD) is a disorder caused by the mutation in genes encoding for the cytochrome c oxidase enzyme (COX),1 a mitochondrial multimeric enzyme which acts as the terminal electron acceptor in the electron transport chain.2 COXD causes serious health …

Electrochemical Quantification of Tobramycin Retention in Pseudomonas Aeruginosa as Antimicrobial Susceptibility Indicator

Luma Clarindo Lopes, Dhésmon Lima, Muhammad Hashim Hayat, Yanqi Li et autres

The emergence and spread of bacterial resistance to antibiotics has developed into one of the most challenging threats to public health. Antibiotic susceptibility tests (ASTs) for bacterial infections are now essential, because they provide guidance for physicians in the selection of antibiotics, …

Effect of Experimental Parameters on the Electrochemical Current during Scanning Electrochemical Microscopy of Living Cells

Nikita Thomas, Mengzhen Lyu, Jadon Khouv, Dhésmon Lima et autres

Scanning Electrochemical Microscopy (SECM) is gaining popularity for its application to live cell imaging to monitor electrochemical processes occurring at the interface of living cells and electrodes. [1] Although many studies have been reported varying the instrumental parameters and using various probe …

Electrifying Fruit Juice: Integrating Applied Electroanalytical Chemistry into the Undergraduate Curriculum

Dhésmon Lima, Vikram Singh, Karishma Bulleeraz, Joey A. Lussier et autres

Electroanalytical chemistry has been advanced through portable devices, providing methods and sensors for the detection of analytes with high sensitivity and accuracy. This subfield of electrochemistry has the potential to be utilized in industry and analytical quality control, in general. This results …

ca (code pays fourni par la source)

A Sensitive Electrochemical DNA Biosensor for Detecting the Genome of a Plant Growth-Promoting Bacteria

Felipe Zahrebelnei, Dhésmon Lima, Lucas Stori de Lara, Derik W. Gryczak et autres

ca, br (code pays fourni par la source)

Effects of media composition and light exposure on the electrochemical current response during scanning electrochemical microscopy live cell imaging

Nikita Thomas, Mengzhen Lyu, Jadon Khouv, Dhésmon Lima et autres

Scanning Electrochemical Microscopy (SECM) has been used as a non-invasive electrochemical technique for studying cellular processes. SECM enables the quantification of cellular metabolites in real-time providing a deeper understanding of cellular responses to external stimuli. SECM imaging of living cells requires maintaining …

ca (code pays fourni par la source)

Cytochrome c oxidase deficiency detection in human fibroblasts using scanning electrochemical microscopy

Shubhneet Thind, Dhésmon Lima, Evan P. Booy, Dao Trinh et autres

Cytochrome c oxidase deficiency (COXD) is an inherited disorder characterized by the absence or mutation in the genes encoding for the cytochrome c oxidase protein (COX). COX deficiency results in severe muscle weakness, heart, liver, and kidney disorders, as well as brain …

ca, fr (code pays fourni par la source)