Occurrence, fate, and potential impacts of wood preservatives in the environment: Challenges and environmentally friendly solutions

Changotra, Rahil; Rajput, Himadri; Liu, Baoshu; Murray, Gordon; He, Quan (Sophia)

doi:10.1016/j.chemosphere.2024.141291

Chemosphere

2024

DOI: 10.1016/j.chemosphere.2024.141291

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Occurrence, fate, and potential impacts of wood preservatives in the environment: Challenges and environmentally friendly solutions

Rahil Changotra,

Himadri Rajput,

Baoshu Liu

et al.

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Cited by 4 publications

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Development and validation of an LC-MS/MS method for the detection of sodium pentachlorophenolate residues on cutting boards

Liao,

Xu,

Jiang

et al. 2024

Science Progress

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Objectives The objective of this study was to develop and validate an automated solid-phase extraction (SPE) coupled with ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method for the detection of sodium pentachlorophenolate (PCP-Na) residues on cutting boards. Given the potential hazards and environmental persistence of PCP-Na, a sensitive and reliable method is crucial for monitoring its residues in food contact materials to ensure consumer safety. Methods Wood shavings from cutting boards were extracted using 10% methanol in water, followed by purification using an automated SPE system. The eluent was concentrated, reconstituted, and analyzed by UPLC-MS/MS. An isotope-labeled internal standard was used to mitigate matrix effects, enhancing detection sensitivity. The method was validated by assessing linearity, limit of detection (LOD), limit of quantification (LOQ), recovery rates, and relative standard deviations (RSDs) across various concentration levels. Results The method demonstrated excellent linearity over a concentration range of 0 to 100 μg/L with a regression equation of Y = 1.035X−0.7771 and an R² of 0.9996. The LOD and LOQ were determined to be 0.4 and 1.0 μg/kg, respectively. Recovery rates ranged from 71.75% to 96.50% with RSDs between 5.19% and 16.66%. When applied to 30 market cutting board samples, PCP-Na residues were detected in 50% of the samples, with concentrations ranging from 0 to 83,990 µg/kg. Conclusion This study presents a robust UPLC-MS/MS method for the detection of PCP-Na on cutting boards, offering improved sensitivity and simplified sample preparation. The high detection rate in commercial samples underscores the need for stringent monitoring and regulatory measures to mitigate the exposure risk to consumers.

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Development and validation of an LC-MS/MS method for the detection of sodium pentachlorophenolate residues on cutting boards

Liao,

Xu,

Jiang

et al. 2024

Science Progress

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Towards responsible resource utilization: A review of sustainable vs. unsustainable reuse of wood waste

Agyemang,

Ofori-Dua,

Dwumah

et al. 2024

PLoS ONE

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Abundant wood waste is generated globally, but the literature lacks a framework distinguishing sustainable versus unsustainable reuse practices. This gap hinders policy makers and stakeholders from effectively supporting responsible resource utilization. As such, this scoping review aimed to address this gap by evaluating wood waste reuse practices through ecological, financial, and social sustainability lenses. A comprehensive database search yielded 1,150 records, narrowed to 106 included studies through eligibility screening. Data on study details and sustainability factors was extracted without a formal quality appraisal. The protocol ensures a rigorous evidence-mapping approach. The findings revealed that sustainable uses included renewable energy, adsorbents, construction materials, and composting applications. However, toxic preservatives, uncontrolled emissions from burning, intensive harvesting impacts, and contamination risks from uncontrolled mulching perpetuate ecological, social, and financial challenges. Preventing contamination and managing sustainability trade-offs are key priorities. Research innovations, stringent quality control, and supportive policies are imperative to distinguish practices aligned with sustainability principles from those inadvertently causing harm. This review provides a comprehensive framework for making informed decisions to progress wood waste systems toward responsible resource utilization.

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The Effect of Particles from Rotten Spruce Logs and Recycled Wooden Composites on Changes in the Bio-Resistance of Three-Layer Particleboards Against the Decaying Fungus Coniophora puteana and Mixture of Moulds

Vidholdová,

Satinová,

Reinprecht

2024

Forests

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Wood-based particleboards (PBs) are widely used in construction and interior applications, yet their durability, particularly against biological degradation, remains a challenge. Recycling wood and incorporating degraded particles from rotted wood can potentially enhance PB sustainability and align with circular bioeconomy principles. This study investigates the biological resistance of the three-layer, laboratory-prepared PBs with varied amounts of particles, from sound spruce wood to particles, and from spruce logs attacked by brown- or white rot, respectively, to particles from recycled wooden composites of laminated particleboards (LPBs) or blockboards (BBs), i.e., 100:0, 80:20, 50:50, and 0:100. The bio-resistance of PBs was evaluated against the brown-rot fungus Coniophora puteana, as well as against a mixture of moulds’ “microscopic fungi”, such as Aspergillus versicolor BAM 8, Aspergillus niger BAM 122, Penicillium purpurogenum BAM 24, Stachybotrys chartarum BAM 32, and Rhodotorula mucilaginosa BAM 571. PBs containing particles from brown-rotten wood or from recycled wood composites, particularly LPBs, had a partly enhanced decay resistance, but their mass loss was nevertheless more than 30%. On the other hand, the mould resistance of all variants of PBs, evaluated in the 21st day, was very poor, with the highest mould growth activity (MGA = 4). These findings suggested that some types of rotten and recycled wood particles can improve the biological resistance of PBs; however, their effectiveness is influenced by the type of wood degradation and the source of recycled materials. Further, the results highlight the need for improved biocidal, chemical, or thermal modifications of wood particles to enhance the overall biological durability of PBs for specific uses.

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Occurrence, fate, and potential impacts of wood preservatives in the environment: Challenges and environmentally friendly solutions

Cited by 4 publications

References 185 publications

Development and validation of an LC-MS/MS method for the detection of sodium pentachlorophenolate residues on cutting boards

Development and validation of an LC-MS/MS method for the detection of sodium pentachlorophenolate residues on cutting boards

Towards responsible resource utilization: A review of sustainable vs. unsustainable reuse of wood waste

The Effect of Particles from Rotten Spruce Logs and Recycled Wooden Composites on Changes in the Bio-Resistance of Three-Layer Particleboards Against the Decaying Fungus Coniophora puteana and Mixture of Moulds

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