Detection of heavy metal ions has drawn significant attention in environmental and food
area due to their threats to the human health and ecosystem. Colorimetry is one of the most …

There is growing need for a safe, efficient, specific and non-pathogenic means for delivery of
gene therapy materials. Nanomaterials for nucleic acid delivery offer an unprecedented …

Since their discovery almost three decades ago, DNAzymes have been used extensively in
biosensing. Depending on the type of DNAzyme being used, these functional …

Nucleic acids, including deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), are
natural biopolymers composed of nucleotides that store, transmit, and express genetic …

Gold is a precious metal with a characteristic bright and beautiful hue known as the golden
yellow color.(1) As of 2012, a total of 174,100 tons of Au has been mined in human history …

Rapid and high precision detection of toxic metal ions is one of the chief requirements today
to combat environment pollution. Gold nanoparticles play a key role in this by assisting the …

All life forms have an absolute requirement for metals, as metals play critical roles in
fundamental processes, including osmotic regulation, catalysis, metabolism …

The global pandemic of coronavirus disease 2019 (COVID-19) highlights the shortcomings
of the current testing paradigm for viral disease diagnostics. Here, we report a stepwise …

1. INTRODUCTION Detection of chemical and biological agents plays a fundamental role in
biomedical, forensic and environmental sciences 1− 4 as well as in anti bioterrorism …

Exposure to even very low levels of lead, cadmium, and mercury ions is known to cause
neurological, reproductive, cardiovascular, and developmental disorders, which are more …