Entry: bioavailability - showing version 4
URI: https://data.geoscience.earth/ncl/misc/25
1. The concept of bioavailability, introduced in 1975(Ogunseitan et al., 2000), describes the extent to which contaminants are used in biological processes in various environments, such as water, soil, sediment, and gas (Alexander, 2000). 2. Bioavailability and bioaccessibility were proposed to differentiate between the actual amount of a chemical substance that passes through an organism's cell membrane and the potential for chemicals to enter the organism (Naidu et al., 2003; Semple et al., 2004). 3. The degree and rate at which a contaminant or hazardous substance is available for absorption by living organisms (such as humans, animals, or plants) from the environment, such as soil, water, or air. It is a critical factor in assessing the potential risks to health and the environment, as it helps determine how much of the contaminant could enter biological systems and cause harm
Core metadata
| is a | Concept | Property |
| changed on | 23 Jan 2026 13:37:12.232 |
| submitted by | leadadmin |
| accepted on | 8 Aug 2025 13:49:37.571 |
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| date accepted |
8 Aug 2025 13:49:37.571
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| date submitted |
8 Aug 2025 13:49:19.676
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Property
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bioavailability
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23 Jan 2026 13:37:12.232
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| notation |
25
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| register |
misc
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status experimental
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register item
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| version info |
4
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Definition
| definition |
1. The concept of bioavailability, introduced in 1975(Ogunseitan et al., 2000), describes the extent to which contaminants are used in biological processes in various environments, such as water, soil, sediment, and gas (Alexander, 2000). 2. Bioavailability and bioaccessibility were proposed to differentiate between the actual amount of a chemical substance that passes through an organism's cell membrane and the potential for chemicals to enter the organism (Naidu et al., 2003; Semple et al., 2004). 3. The degree and rate at which a contaminant or hazardous substance is available for absorption by living organisms (such as humans, animals, or plants) from the environment, such as soil, water, or air. It is a critical factor in assessing the potential risks to health and the environment, as it helps determine how much of the contaminant could enter biological systems and cause harm
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| notation |
25
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| pref label |
bioavailability
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| same as |
bioavailability
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| source |
1 & 2 Chen, H.Y. et al. (2023) ‘A 50-year systemic review of bioavailability application in Soil environmental criteria and risk assessment’, Environmental Pollution, 335, p. 122272. Available at: https://doi.org/10.1016/j.envpol.2023.122272; 3. OpenAI (2025) ChatGPT response on the definition of bioavailability. [Online]. Available at: https://chat.openai.com/ (Accessed: 14 May 2025).
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Concept
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