Biosensors with high sensitivity, selectivity and a low limit of detection, reaching
nano/picomolar concentrations of biomolecules, are important to the medical sciences and …

Dopamine is an important neurotransmitter, and its maladjustment is responsible for many
diseases. Its accurate determination has great significance in medical and behavioral …

Dopamine (DA) is the most prevalent neurotransmitter in the brain and plays a crucial role in
several pathologies, such as Parkinson's disease and schizophrenia. Early diagnosis of …

Main observation and conclusion ZIF‐8 with excellent chemical and physical properties is a
promising material for the field of electrochemical sensing. However, the poor electrical …

Pencil graphite electrode (PGE) is an alternative, commercially available, ready-to-use,
screen-printed electrode for a wide range of electroanalytical applications. Due to the …

In this work, a new electrochemical sensor based on pencil graphite with interesting
features, such as low cost (US $0.01 per electrode), ease manufacture, and portability was …

Neurotransmitters monitoring with newly developed tools is a challenge. The quantification
and identification of neurotransmitters by electrochemical sensors attracted the attention last …

Conducting polymer-noble metal nanocomposites have attracted considerable interest as
electrochemical sensors because they provide better sensing responses to different …

A surface-graphenized pencil graphite electrode (SGPGE) served as an amperometric
sensor for dopamine (DA). It was prepared through a one-step in-situ electrochemical …

Caffeine is widely present in food and drinks, such as teas and coffees, being also part of
some currently commercialized medicines, but despite its enhancement on several functions …