Direct C–H bond functionalization catalyzed by non-precious transition metals is an attractive
strategy in synthetic chemistry. Compared with the precious metals rhodium, palladium, …

Background Migraine is one of the most common neurological disorders that leads to disabilities.
However, the conventional drug therapy for migraine might be unsatisfactory at times. …

Background & Aims The evolution and clinical significance of abnormal liver chemistries
and the impact of hepatitis B infection on outcome in patients with COVID-19 is not well …

Eutrophication pollution seriously threatens the sustainable development of Lake Taihu,
China. In order to identify the primary parameters of water quality and the potential pollution …

An efficient and general one-pot procedure for the synthesis of pyrazoles from acid chlorides,
terminal alkynes and hydrazines was described via a coupling and cyclocondensation …

Purpose. To evaluate the relationships between objectively measured physical activity and
physical fitness among preschool children. Methods. A total of 346 participants (201 boys …

Tamoxifen has been found to be neuroprotective in both transient and permanent experimental
ischemic stroke. However, it remains unknown whether this agent shows a similar …

An unprecented N‐ and C(3)‐dialkylation of unactivated amines by a cascade reaction via
borrowing hydrogen methodology using new (arene)ruthenium(II) complexes featuring …

Large novel birefringent Ca 3 (BO 3 ) 2 crystals have been grown successfully by the
Czochralski method. The optical transmission and the refractive indices of the crystal have been …

Graphene, an atomic monolayer of carbon atoms in a honeycomb lattice realized in 2004,
has rapidly risen as the hottest star in materials science due to its exceptional properties. The …