Search results for zeolite

Analytical Chemistry Mar 19, 2024

Ammonia induction strategy for preparation of transition metal oxides / zeolite H₂S adsorbent

Blast furnace gas (BFG) is an important by-product energy for the iron and steel industry and has been widely used for heating and electricity generation. However, the undesirable contaminants, such as COS, CS2, and H2S, ...

Bio & Medicine Mar 6, 2024

Scientists use a new type of nanoparticle that can both deliver vaccines and act as an adjuvant

Many vaccines, including vaccines for hepatitis B and whooping cough, consist of fragments of viral or bacterial proteins. These vaccines often include other molecules called adjuvants, which help to boost the immune system's ...

Analytical Chemistry Mar 6, 2024

Study shows 3D-covalent organic frameworks can be tuned using structural isomers

Porous solids are abundant in the world. Examples include activated carbon, zeolite, and metal-organic frameworks (MOFs). Solid electrolytes in next-generation batteries have ion migration channels and hence are porous solids ...

Analytical Chemistry Mar 5, 2024

New technique developed for measurement of temperature distribution inside single catalyst particle

Chemical reactions are usually accompanied by thermal effects, inevitably resulting in temperature changes in the reaction system. Therefore, temperature is an important parameter in reactions, which can affect chemical thermodynamics ...

Biochemistry Dec 27, 2023

Development of tissue molecular imaging technique using multiple probes at hundreds of microns

Researchers have shown it is possible to image small animal tissue clearly to several hundred micrometers using multi-probe imaging, reports a recent study in Scientific Reports.

Materials Science Dec 20, 2023

Researchers create a glass that sifts carbon dioxide

Separating carbon dioxide molecules from gas mixtures requires materials with extremely fine pores. Researchers from Friedrich Schiller University Jena, in cooperation with the University of Leipzig and the University of ...

Archaeology Nov 9, 2023

Turkana stone beads tell a story of herder life in a drying east Africa 5,000 years ago

On the shores of Lake Turkana in east Africa, about 5,000 to 4,000 years ago, pastoralists buried their dead in communal cemeteries that were marked by stone circles and pillars. The north-west Kenya "pillar sites" were built ...

Analytical Chemistry Oct 31, 2023

Researchers devise cleaner, more efficient production of key input for detergents

Conventional techniques of generating alkylbenzene, a key input in the production of detergents, produce toxic halogen byproducts, but researchers have devised a new technique that offers a more efficient, cheaper and cleaner ...

Nanomaterials Oct 24, 2023

Examining the synergistic roles of platinum nanoparticles and sodium ions within beta zeolites

Organic N-alkyl amines are important chemical products and intermediate with wide applications in the fields of daily chemicals, pesticides, pharmaceuticals, surfactants, and life sciences. The C–N bonds formed by alkylating ...

Biotechnology Oct 17, 2023

Agronomists protect plants from heavy metals with hormone therapy and the mineral zeolite

RUDN University agronomists have shown that the hormone melatonin and the mineral zeolite mitigate the dangerous effects of heavy metals on plants. The first protects cells from destruction by cadmium, and the second increases ...

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