Iron minerals in Brazil’s Doce River still lock toxic metals a decade after dam disaster
A five-year study of Brazil's Doce River shows that iron oxyhydroxide minerals from the Fundão dam tailings remain active geochemical ...
Tag: X-ray diffraction
Tiny Doses of Magnesium Give Zinc Ferrite Nanoparticles a Powerful Tunable Makeover
A new study shows that substituting small amounts of magnesium into sol-gel-synthesized zinc ferrite nanoparticles systematically tunes the crystal structure, ...
Palm Waste Biochar Supercharges Zinc Oxide Nanoparticles for Greener Optoelectronics
Researchers in Nigeria have used biochar made from discarded oil palm fingers to tailor the bandgap, refractive index, and optical ...
Chicken Manure and Onion Peels Turned Into Carbon Capture Materials
Polish researchers show that pyrolysis temperature tunes chicken manure and onion peel biochars for CO2 capture through two distinct mechanisms.
Twisting Powder Into Metal: Room-Temperature Route Yields Ultrastrong Nanostructured Alloy
Researchers consolidated CrMnFeCoNi high-entropy alloy powder into a dense nanostructured metal at room temperature using high-pressure torsion, achieving 99.7 percent ...
Ice Reaches a Record Density as Ultrahigh Pressure Forges a New Phase
Researchers report that ice X distorts under ultrahigh pressure at room temperature before transforming into ice XXII, the densest water ...
One-Pot Recipe Cooks Up Glowing Gold Nanoparticle Hybrids for Optical Devices
Researchers in Brazil have created luminescent gold nanoparticle-polypyrrole-europium nanocomposites in a single one-pot synthesis that could enhance future optoelectronic sensors.
Tiny Doses of Cement Could Turn Wood Ash Into a Viable Green Building Material
French researchers found that adding just 5 to 20 percent ordinary Portland cement to binders made almost entirely of wood ...
Kaolin Recipe Tweak Controls the Water-Trapping Power of Silica Gel
By varying the amount of metakaolin dissolved in sodium hydroxide, researchers can tune silica gel's chain length and hydroxyl content ...
Cold Plasma Makes Tiny Magnesium Particles That Kill Cervical Cancer Cells
Researchers used a cold helium plasma microjet to synthesize stable magnesium hydroxide nanoparticles that killed more than 80 percent of ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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