We examined the relationship of a common polymorphism ( 667 C→T) of the
methylenetetrahydrofolate reductase (MTHFR) gene with the risk of colorectal cancer in a …

PURPOSE Patients with advanced esophageal cancer have a poor prognosis and limited
treatment options after first-line chemotherapy. PATIENTS AND METHODS In this open-label, …

Among various flat optical devices, metasurfaces have presented their great ability in efficient
manipulation of light fields and have been proposed for variety of devices with specific …

Polynary single‐atom structures can combine the advantages of homogeneous and
heterogeneous catalysts while providing synergistic functions based on different molecules and …

Conspectus Nitrogen-centered radicals (NCRs) are a versatile class of highly reactive species
that have a longer history than the classical carbon-based radicals in synthetic chemistry. …

Systematic annotation of gene regulatory elements is a major challenge in genome science.
Direct mapping of chromatin modification marks and transcriptional factor binding sites …

Objective To delineate the clinical characteristics of patients with coronavirus disease 2019 (covid-19)
who died. Design Retrospective case series. Setting Tongji Hospital in Wuhan, …

We have purified and cloned a HeLa cell nuclear protein that strongly stimulates binding of
retinoic acid and thyroid hormone receptors (RARs and TRs) to response elements. The …

Thermal C–C bond cleavage reactions allow the construction of structurally diverse molecular
skeletons via predictable and efficient bond reorganizations. Visible light photoredox-…

Carbon-based aerogels, composed of interconnected threedimensional (3D) networks,
have attracted intensive attention because of their unique physical properties, such as low …