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Graphene membrane is becoming a reality

Graphene is an atomically-thick sheet comprising of carbon atoms. It is the thinnest separation membrane material available in science world and its theoretical permeance is maximum currently. A...

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Hypoxia-inducible factor-1 dependent nuclear entry of factor inhibiting HIF-1

Factor inhibiting HIF-1 (FIH-1) regulates hypoxia-inducible factor-1 (HIF-1) transcriptional activity by hydrolyzing asparagine at the C-terminus of HIF-1α, preventing the interaction between HIF-1α...

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Radial deformation of single-walled carbon nanotubes on quartz substrates and...

Chemical reactivity of single-walled carbon nanotubes (SWNTs) has attracted great attentions. We find an anomalous diameter-dependent reactivity of quartz lattice-oriented SWNTs in treatment with...

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NiRh nanoparticles supported on nitrogen-doped porous carbon as highly...

The group from Wuhan University reported the synthesis of nitrogen-doped porous carbon derived from MOFs. Thanks to the high surface area, high graphitization, and nitrogen doping, the as-synthesized...

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Increase seen in prescription drug use in US

Between 1999-2012, overall prescription drug use increased among US adults, with this increase seen for the majority of but not all drug classes, according to a study in the Nov. 3 issue of JAMA.

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Pertussis infection in children associated with small increased risk of...

Although the absolute risk was low, researchers found an increased risk of childhood-onset epilepsy among children in Denmark who had a hospital-diagnosed pertussis infection, compared with the...

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Testosterone, pregnancy, and anxiety

Exposing female rats to testosterone during pregnancy increases anxiety-like behavior in their offspring, possibly due to changes in the brain’s amygdala, a study finds.

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Building endurance through high-intensity exercise

High-intensity exercise may disrupt a muscle calcium channel and lead to increased expression of endurance genes, according to a study.

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West Antarctic Ice Sheet collapse and sea level rise

A computer model suggests that the West Antarctic Ice Sheet (WAIS) may have begun an irreversible, centuries-long period of collapse that is predicted to raise sea levels by up to 3 meters.

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Improving recovery from brain injury

A therapeutic approach that reduces local inflammation and minimizes the risk of infection could improve outcomes after traumatic brain injury (TBI), a study in rodents suggests.

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Origins of agriculture

The first people to adopt farming were most likely part of small population groups that had farming-friendly property rights, a study finds.

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Ice age extinction of Arctic megafauna

Rapid changes in climate during the ice age may have led to boom-and-bust cycles for several Arctic mammals such as mammoth and bison, a study reports.

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Mortality among white middle-aged Americans

A study finds an increase in mortality rates among non-Hispanic white middle-aged Americans after 1998 in contrast to consistent mortality declines observed in other demographic groups and previous...

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North American birds and West Nile virus

Researchers report the effects of West Nile virus on the survival rates of various North American bird species.

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Quantum entanglement over large distances

Researchers report the detection of quantum entanglement over large distances. In quantum mechanics, two particles can be in an entangled state, such that any change in the state of one of the...

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Birth of babies through round spermatid injection

A study reports the successful delivery of 14 children born to men otherwise considered sterile using a technique called round spermatid injection.

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Also of interest from the Proceedings of the National Academy of Sciences

Researchers report that migrating songbirds’ decisions to travel across the Gulf of Mexico from coastal Alabama, as opposed to traveling over land or delaying departure, were associated with high fat...

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A bio-inspired Co3O4-polypyrrole-graphene complex as an efficient oxygen...

Co3O4-PPy/GN complexes as oxygen reduction reaction (ORR) electrocatalysts were fabricated by one-step in-situ ball milling of graphite, pyrrole and cobalt salt without resorting to high-temperature...

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Strain-induced spatially indirect exciton recombination in...

We observed the spatially indirect exciton recombination in CdS heterostructures consisting of different crystalline phases in the same CdS nanobelt, which is manifested by an extra emission peak at...

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M@MIL-100(Fe) (M = Au, Pd, Pt) nanocomposites fabricated by a facile...

Highly dispersed noble-metal nanoparticles (Au, Pd, Pt) are immobilized on the MIL-100(Fe) (denoted as M@MIL-100(Fe)) via a facile room-temperature photodeposition route. The resulting nanocomposites...

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