Background Since December 2019, when coronavirus disease 2019 (Covid-19) emerged in
Wuhan city and rapidly spread throughout China, data have been needed on the clinical …

When used as a photocatalyst, titanium dioxide (TiO 2 ) absorbs only ultraviolet light, and
several approaches, including the use of dopants such as nitrogen, have been taken to narrow …

… Lei Liu … Lei Liu, born in 1977 in Chuzhou, China, received his BS degree in Chemistry
with honors from the University of Science and Technology of China (USTC). From 1996 to …

In the past few decades, there has been a wide research interest in titanium dioxide (TiO2)
nanomaterials due to their applications in photocatalytic hydrogen generation and …

Background The coronavirus disease 2019 (COVID-19) outbreak is evolving rapidly worldwide.
Objective To evaluate the risk of serious adverse outcomes in patients with COVID-19 by …

Importance Coronavirus disease 2019 (COVID-19) is a pandemic with no specific therapeutic
agents and substantial mortality. It is critical to find new treatments. Objective To determine …

The outbreak of the 2019-nCoV infection began in December 2019 in Wuhan, Hubei province,
and rapidly spread to many provinces in China as well as other countries. Here we report …

Background The novel coronavirus SARS-CoV-2 is a newly emerging virus. The antibody
response in infected patients remains largely unknown, and the clinical value of antibody …

Background Since December 2019, acute respiratory disease (ARD) due to 2019 novel
coronavirus (2019-nCoV) emerged in Wuhan city and rapidly spread throughout China. We …

Respiratory immune characteristics associated with Coronavirus Disease 2019 (COVID-19)
severity are currently unclear. We characterized bronchoalveolar lavage fluid immune cells …