In this paper, a novel graphene (G) based solid-phase microextraction (SPME) fiber was
firstly prepared by immobilizing the synthesized G on stainless steel wire as coating. The new …

COVID-19, the disease caused by SARS-CoV-2, is a highly contagious disease. The World
Health Organization has declared the ongoing outbreak to be a global public health …

Cross domain object detection is a realistic and challenging task in the wild. It suffers from
performance degradation due to large shift of data distributions and lack of instance-level …

The crude mortality rate in critical pneumonia cases with coronavirus disease 2019 (COVID-19)
reaches 49%. This study aimed to test whether levels of blood urea nitrogen (BUN) in …

A facile bottom-up method for the synthesis of highly fluorescent nitrogen-doped graphene
quantum dots (N-GQDs) has been developed via a one-step pyrolysis of citric acid and tris(…

Gold nanoparticles (GNPs) are widely used for biomedical applications due to unique optical
properties, established synthesis methods, and biological compatibility. Despite important …

Drug resistance is a big problem in systemic chemotherapy of hepatocellular carcinoma (HCC),
and nanomedicines loaded with both chemotherapeutic agents (eg paclitaxel, PTX) and …

Luminescent graphene quantum dots (GQDs) have attracted tremendous attention from the
scientists in chemistry, materials science, physics and biology, because of their superiority of …

Rotated object detection aims to identify and locate objects in images with arbitrary orientation.
In this scenario, the oriented directions of objects vary considerably across different …

An effective and facile fluorescence sensing approach for the determination of 2,4,6-trinitrophenol
(TNP) using the chemically oxidized and liquid exfoliated graphitic carbon nitride (gC …