Results 181 to 190 of about 955,746 (335)

Fluorescent Chitosan Hydrogels Based on Biomass‐Derived Carbon Dots for Toxic Aromatic Detection

open access: yesAdvanced Sustainable Systems, EarlyView.
Carbon dots made from food waste via a microwave–ultrasound method show strong, pH‐stable fluorescence. Thermal pretreatment enhances their optical properties. Incorporated into chitosan hydrogels, these dots form reusable sensors for detecting aromatic pollutants in water.
Imane Haddadou   +4 more
wiley   +1 more source

A Beta Regression Approach to Modelling Country-Level Food Insecurity. [PDF]

open access: yesFoods
Martin AR   +5 more
europepmc   +1 more source

Polyethyleneimine‐Modified Biosorbent Based on Banana Pseudostem Biomass for Environmental Remediation and Food Analysis

open access: yesAdvanced Sustainable Systems, EarlyView.
Biosorbents derived from banana pseudostem are functionalized with polyethyleneimine, with or without glutaraldehyde, and evaluated for dye removal and solid‐phase extraction. The materials exhibit high adsorption capacities and broad pH applicability in dye removal, while computational studies reveal amino groups as key interaction sites.
João Antonio Tavares Barboza   +11 more
wiley   +1 more source

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