Among various photophysical processes for fluorescence modulation, inner filter effect (IFE)
is well-known for its simplicity and no requirement of the distances between the fluorophores …

As a new class of luminescent nanomaterials, carbon dots (CDs) have aroused significant
interest because of their fascinating photoluminescence properties and potential …

The abuse of pesticides and antibiotics has seriously threatened environmental health and
public safety. Precise and efficient monitoring the residual levels of environmental pesticides …

To avoid potential health risks associated with the ingestion of aflatoxin B1 (AFB1)
contaminated foods, development of a simple and sensitive method for AFB1 detection is …

In this study, we synthesized stable nitrogen-doped carbon dots by a simple and economical
one-step hydrothermal method using l-cysteine and anhydrous ethylenediamine as …

Dissolved sulfide tends to species transformation and loss upon leaving the matrix, thus the
development of a practical on-site determination of sulfide is crucial for environmental …

As known biomarkers of kidney diseases, N-acetyl-β-d-glucosaminidase (NAG) and β-
galactosidase (β-GAL) are of great importance for the diagnosis and treatment of diseases …

Enzymes, as biocatalysts, speed up chemical reactions to reach equilibrium in living
organisms. The abnormal enzyme activity is closely related to many diseases, and they are …

Alkaline phosphatase (ALP) usually acts as a signal transmitter in enzyme-linked
immunosorbent assay (ELISA); therefore, developing an attractive ALP activity assay …

Developing a simple yet powerful method for enzyme activity monitoring is of great
significance in the early diagnosis of diseases. Herein, we designed a precise spectral …