Chemosensors, Volume 13, Issue 3

In the current scenario, it is considered that environmental pollution is one of the significant challenges for the global world. Various toxic and hazardous substances such as hydrazine, phenolic compounds, and pharmaceutical waste significantly con...

Co₃O₄-based materials have multiple applications in the field of materials, especially in sensor technology. In this work, Co₃O₄ nanoparticles were synthesized using a chemical method. The crystalline phase and crystal size were investigated by XRD,...

Cost-effective chemosensors have become an indispensable tool for sustainable monitoring in food safety and processing, where there is an urgent need for affordable, efficient, and real-time analytical solutions. This review discusses recent advances...

The increasing prevalence of pathogen outbreaks underscores the urgent need for rapid, accurate, and cost-effective diagnostic tools. Colorimetric detection has gained significant attention among the available techniques due to its simplicity, portab...

The global market increasingly demands alternative rapid diagnostic tools, such as disposable biosensors, to meet the growing need for point-of-care clinical testing of infectious diseases. Bacterial vaginosis (BV), a common infection caused by Gardn...

Sweetening compounds are commonly incorporated into food products to enhance their texture and flavor, thereby indicating product quality. 4-Hydroxy-2,5-dimethyl-3(2H)-furanone (HDMF) is a sweet aromatic compound characterized by its pineapple-like b...

The development of sensitive, selective, and reliable glucose biosensors remains a persistent challenge in clinical diagnostics. In this study, we exploited the advantageous (electro)catalytic properties of bismuth ruthenate (Bi₂Ru₂O₇) pyrochlore clu...

Porphyrinoids are suitable sensitive materials for potentiometric electronic tongues. In this paper, we take advantage of these properties to develop an electronic tongue using an extended-gate field-effect transistor as a signal transducer. The sens...

In this study, an excitation–emission–pH multi-way fluorescence technique coupled with a third-order calibration method based on an alternating quadrilinear decomposition (AQLD) algorithm was proposed for the simultaneous determination of...

Mycotoxins are naturally occurring secondary metabolites produced by specific fungal strains. They can cause adverse effects, posing a serious health threat to both humans and livestock. Focusing on several mycotoxins, this study first aimed at optim...

Nitroaromatic-explosives (NEs) not only threaten global security but are also recognized as a highly toxic pollutant. Metal–organic framework Zn-M_s (Zn-M₁, Zn-M₂) were synthesized in this study via the coordination-driven self-assembly of Zn io...

H₂O₂ plays an important role in oxidative damage and redox signaling. Studies have shown that abnormal levels of H₂O₂ are closely related to the development of cancer. The levels of H₂O₂ in tumor cells are higher than in normal cells. Thus, it is of...

This study developed an analytical method to monitor pesticide residues in water, ensuring compliance with maximum limits and protecting human health. While the QuEChERS method is commonly used for food matrices, its application to aqueous samples ha...

Pneumoconiosis, as the most widely distributed occupational disease globally, poses serious health and social hazards. Its diagnostic techniques have evolved from conventional imaging and computer-assisted analysis to emerging sensor strategies cover...

In this work, we present a low-cost, label-free cellulose-based paper SERS (Surface-Enhanced Raman Scattering) substrate for the sensitive detection of thiol compounds. Uniform silver nanoparticles (AgNPs) were synthesized on cellulose filter paper v...

In the past few decades, metal–organic frameworks (MOFs) have been widely employed for a variety of applications such as sensors, adsorption, and catalysis. MOFs have excellent gas sensing properties and a large specific surface area which make...

Critical micelle concentration (CMC) is the main physico-chemical parameter to be determined for surfactants due to its impact on surface activity and self-assembled aggregation. The aim of the present study is to determine CMC at 40 °C of gelati...

A 2,6-dihydroxyterephthalic acid (2,6-DHTA)-treated taste sensor exhibited sensitivity and selectivity for umami substances, as previously reported. This study aims to investigate the relationship between the sensor’s sensitivity to umami subst...

An electrochemical sensor for identification and monitoring of alcoholism was preclinically validated by analyzing plasma from polydrug-consuming rats (alcohol and cocaine). The sensor measures by adsorptive transfer square wave voltammetry the glyco...

Nanosized manganese dioxide (MnO₂) material has been successfully incorporated into a graphene oxide (GO) sensitive layer. Since this type of heterojunction has never been reported in the literature related to gas sensing, these sensors were prepared...

In the quest for more sensitive gas sensors, researchers have studied how heating the sensors, using UV light, and thermally annealing sensors improve performance. During thermal annealing, the heating process can improve the crystallinity of the mat...

Hair care products that have oxidative hair dye ingredients have been widely used to permanently change hair color for the characteristic and younger appearance of people and/or their companion animals. In the European Union and the Republic of Korea...

This study demonstrates, for the first time, the formation of a hemiester of carbonic acid on self-assembled monolayers using voltammetric techniques and redox probes. A gold electrode (GE) was modified with 2-mercaptoethanol (ME) through self-assemb...

Nonspecific adsorption (NSA) impacts the performance of biosensors in complex samples. Coupled electrochemical–surface plasmon resonance biosensors (EC-SPR) offer interesting opportunities to evaluate NSA. This review details the main solutions...

A simple and easily applicable analytical method for the simultaneous determination of Cd²⁺, Pb²⁺, Zn²⁺, Cu^2+, and Cl⁻ by applying a modified carbon paste electrode with saffron-conjugated silver nanoparticles (AgNPs@Sa) is being presented. The...

The study of biological systems for the protection of the environment, food, and health is among the most important research fields in the scientific literature [...]

Paper-based analytical devices (PADs) have received considerable attention due to their affordability, portability, and ease of use, making them suitable for on-site and point-of-care testing. The conventional fabrication of PADs has been explored fo...

Deep eutectic solvents (DESs), a novel class of eco-friendly solvents, are attracting considerable attention in extraction techniques. In this study, a hydrophobic DES, created by combining a quaternary ammonium salt and hexanoic acid, was coated ont...

A novel material composed of Au@SiO₂-(3-Aminopropyl Triethoxysilane) (Au@SiO₂-APTES) was successfully synthesised using the sol–gel method, and was used to modify glassy carbon electrodes. Its effectiveness as a molecular recognition element is...

Surface-enhanced Raman scattering (SERS) spectroscopy has grown in popularity as a bioaerosol monitoring method due to its high sensitivity and specificity, as well as its ability to be performed in complex biological mixtures using portable and rela...

Although the Universal Salt Iodization (USI) program has been highly successful, it remains relevant due to the continued risk of Iodine Deficiency Disorders (IDDs) in vulnerable groups, such as children and pregnant women. This program empowers the...

This study aimed to optimize the electrochemical pretreatment and functionalization of pencil graphite electrodes (PGEs) for the performance evaluation of a transducer applied in initial studies in the development of an immunosensor for vaccinia viru...

A novel electrochemical sensor (P-g-C₃N₄/MOF-199/CPE) was developed to determine the metformin concentration in pharmaceutical samples. In this sensor, the copper units of MOF-199 of the composite electrode specifically capture metformin molecules so...

Extracellular vesicles (EVs) and their cargo are increasingly suggested as innovative biomarkers correlated to the diagnosis, progression and therapy of diseases like cancer. Several techniques have been developed for the specific separation of the d...

Uric acid (UA), the final metabolic product of purines, plays a crucial role in human health monitoring. The UA concentration in biological fluids serves as a diagnostic marker for various disorders, particularly kidney diseases, and represents a pot...

This parameter study examines the impact of two distinct adhesion layers, chromium (Cr) and titanium (Ti), on the performance of CuO/Cu₂O-based chemoresistive gas sensors by varying the layer thickness. The sensing material utilised on a Si-SiO₂ sens...

Humidity sensors are widely utilized in meteorological research, industrial production, precision instrument maintenance, agriculture, health care, and other fields. However, the long response time and low sensitivity of current metal oxide and hybri...

The simultaneous determination of arsenic and mercury species in human urine is critical for clinical diagnostics and therapeutic monitoring because it reduces the costs, time, and consumption of samples. This study proposes a method of utilizing hig...

This paper presents the results of experiments aiming for the detection and differentiation of selected nerve agents of the Novichok and V-group using simple strip detectors containing colourimetric indicator, specifically chemosensor Nile Blue A, im...