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From indoors to outdoors: Impact of waste anesthetic gases on occupationally exposed professionals and related environmental hazards - a narrative review and update.

Environ Toxicol Pharmacol

December 2024

São Paulo State University (UNESP), Medical School, Division of Anesthesiology, GENOTOX Lab., Botucatu, São Paulo, Brazil. Electronic address:

Waste anesthetic gases (WAGs) are trace-concentration inhaled anesthetics that exist worldwide because they are released into the ambient air of operating rooms (ORs) and post-anesthesia care units. WAGs cause indoor contamination, especially in ORs lacking proper scavenging systems, and occupational exposure, while promoting climate change through greenhouse gas/ozone-depleting effects. Despite these controversial features, WAGs continue to pose occupational health hazards.

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In this paper, Krapcho's one-step decarbomethoxylation of oleuropein in DES is reported. Oleuropein used as reagent was extracted with water from olive leaves, widely available and inexpensive waste from the olive oil production chain. The reaction has been carried out in a series of ChCl-based DES of increasing acidity, with or without the addition of an amount of water, under microwave and conventional heating.

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Spent mushroom substrate (SMS), a lignocellulosic waste after mushroom production is generally discarded without proper management. There is increasing interest in the sustainable transformation of lignocellulosic waste into high-value products. Within this context, the present study investigated the potential of the SMS from the cultivation of and on rubber tree wood sawdust as substrates for xylooligosaccharides (XOS) production.

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European hazelnuts are widely cultivated as raw materials in the food industry. Processing produces several non-value-added byproducts, e.g.

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Zein/chitosan Janus film incorporated with tannic acid and cinnamon essential oil co-loaded Pickering emulsion for sustained controlled release and pork preservation.

Int J Biol Macromol

December 2024

Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China. Electronic address:

The development of active packaging offers a promising approach to reducing food waste. However, challenges remain, particularly in achieving efficient release dynamics of active compounds and balancing the barrier properties. Herein, a Janus structure zein/chitosan film is custom designed by layer-by-layer casting method to achieve sustainable and unidirectional release performance of antimicrobial agent, which comprises an inner loading layer of tannic acid (TA) and cinnamon essential oil (CEO) co-loaded Pickering emulsion incorporated with chitosan and an outer barrier layer of zein.

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