Gold nanoparticles (AuNPs) are useful nanomaterials as transducers for colorimetric
sensors because of their high extinction coefficient and ability to change color depending on …

The ever-growing demand for fast, cheap, and reliable diagnostic tools for personalised
medicine is encouraging scientists to improve existing technology platforms and to create …

Although transmission electron microscopy (TEM) may be one of the most efficient
techniques available for studying the morphological characteristics of nanoparticles …

Optical sensors have been developed to detect important markers in various applications
such as food, health, and environment. Nanomaterials have been designed and integrated …

Metal–organic frameworks (MOFs) receive more and more interest in the field of analytical
chemistry for their diverse structures and multifunctionality. In this study, we have designed …

New strategies for accurate and reliable detection of adenosine triphosphate (ATP) with
portable devices are significant for biochemical analysis, while most recently reported …

Listeria monocytogenes (L. monocytogenes) is one of the most common food-borne
pathogens. The authors describe a sensitive and reliable multicolorimetric assay for L …

Rapid screening of multiple pathogens will greatly improve the efficiency of pandemic
prevention and control. Colorimetric methods exhibit the advantages of convenience …

Simple, rapid, and instrument-free detection of cadmium ions (Cd2+) with a portable device
is essential to prevent the contamination of potable water. Herein, we propose a simple, fast …

In the present approach, a Cr2O3–TiO2-modified, portable, and biomimetic nanosensor was
designed to meet the requirement of a robust and colorimetric sensing of hydrogen …