Search results for surface modification

Polymers Mar 26, 2024

Highly efficient heterogeneous telomerization of 1,3-butadiene with methanol

To promote the high-quality development of high-end polyolefin, the development of highly efficient heterogeneous catalysts for the telomerization of 1,3-butadiene and methanol to the linear product (1-methoxy-2,7-octadiene, ...

Earth Sciences Mar 22, 2024

New model integrates soil microbes, large perennial grasses

Of all the carbon stored in ecosystems around the world, about half can be found in soils. Depending on climate, vegetation, and management, soils can be either a carbon source or a sink.

Environment Mar 21, 2024

Scientists detail research to assess the viability and risks of marine cloud brightening

As the levels of greenhouse gases in the atmosphere continue to increase and climate change impacts become more costly, the scientific community is redoubling efforts to investigate the potential risks and benefits of artificially ...

Polymers Mar 20, 2024

Study demonstrates spontaneous self-organization of microdroplets through quasi one-dimensional confinement

Polymer systems composed of multiple components can spontaneously induce emulsion or microdroplets by mechanical mixing, as an intermediate state of macroscopic phase separation. Unfortunately, the size of generated droplets ...

Analytical Chemistry Mar 19, 2024

Carbon-based supports for electrocatalysis under industrially relevant conditions

Carbon materials, due to their appropriate physicochemical characteristics such as high surface area, adjustable pore structure, variable morphology, and multifunctional surface properties based on chemical modifications, ...

Environment Mar 19, 2024

How ghost streams and redlining's legacy lead to unfairness in flood risk in Detroit and elsewhere

In 2021, metro Detroit was hit with a rainstorm so severe that President Joe Biden issued a major disaster declaration at state officials' request.

Analytical Chemistry Mar 18, 2024

Electronic perturbation-promoted interfacial pathway for facile C–H dissociation

Pt-based catalysts have been extensively employed in catalytic propane dehydrogenation (PDH) processes, playing a crucial role in propylene production. However, monometallic Pt catalysts often exhibit inferior propylene selectivity ...

Nanophysics Mar 15, 2024

Driving photochemistry with sub-molecular precision

Absorption of light initiates many natural and artificial chemical processes, for example, photosynthesis in plants, human vision, or even 3D printing. Until now, it seemed impossible to control a light-driven chemical reaction ...

Planetary Sciences Mar 13, 2024

Giant volcano discovered on Mars

In a groundbreaking announcement at the 55th Lunar and Planetary Science Conference held in The Woodlands, Texas, scientists revealed the discovery of a giant volcano and possible sheet of buried glacier ice in the eastern ...

Polymers Mar 13, 2024

Advancing tissue engineering with shape memory hydrogels

One of the primary goals in the field of tissue engineering and regenerative medicine is the development of artificial scaffolds that can serve as substitutes for damaged tissue. These materials must ideally resemble natural ...

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