Indoor Surface Chemistry

Morrison, Glenn

doi:10.1007/978-981-10-5155-5_32-1

“…In recent years, an increasing number of investigations characterized the multiphase reactivity of individual compounds and organic films ubiquitously present on indoor surfaces. − Most studies focus on ozone and have clearly demonstrated that skin lipids (e.g., squalene) and terpenoids from consumer products undergo multiphase ozonation . Other well-established multiphase reactions occurring indoor include the formation of HONO by dissolution of gas-phase NO 2 into adsorbed water or via photochemical processes; acid–base partitioning of ammonia, amines, and organic acids; hydrolysis; and reactions induced by chlorine-based oxidants (reviewed by Ault et al and others , ). While some of these processes will only be relevant in human-occupied areas, others may also occur on leaf surfaces (e.g., acid–base equilibria).…”

Section: Chemicals From the Environmentmentioning

confidence: 99%

“…At the end of this first cycle, the leaf surface’s chemical landscape appears different from the beginning; and as a new cycle takes place (Figure F), more substances are added, processed, and removed. Conceptually, this process is analogous to the growth and evolution of organic films on the surface of inert substrates indoor , and outdoor, , with differences related to specific features of the substrate (cuticles vs inert materials), oxidant, and substrates availability, and prevailing reaction conditions.…”

Section: Overview Of Leaf Surfaces’ Chemical Landscape and Its Reacti...mentioning

confidence: 99%

The Chemical Landscape of Leaf Surfaces and Its Interaction with the Atmosphere

Ossola,

Farmer

2024

Chem. Rev.

6

0

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Atmospheric chemists have historically treated leaves as inert surfaces that merely emit volatile hydrocarbons. However, a growing body of evidence suggests that leaves are ubiquitous substrates for multiphase reactions−implying the presence of chemicals on their surfaces. This Review provides an overview of the chemistry and reactivity of the leaf surface's "chemical landscape", the dynamic ensemble of compounds covering plant leaves. We classified chemicals as endogenous (originating from the plant and its biome) or exogenous (delivered from the environment), highlighting the biological, geographical, and meteorological factors driving their contributions. Based on available data, we predicted ≫2 μg cm −2 of organics on a typical leaf, leading to a global estimate of ≫3 Tg for multiphase reactions. Our work also highlighted three major knowledge gaps: (i) the overlooked role of ambient water in enabling the leaching of endogenous substances and mediating aqueous chemistry; (ii) the importance of phyllosphere biofilms in shaping leaf surface chemistry and reactivity; (iii) the paucity of studies on the multiphase reactivity of atmospheric oxidants with leaf-adsorbed chemicals. Although biased toward available data, we hope this Review will spark a renewed interest in the leaf surface's chemical landscape and encourage multidisciplinary collaborations to move the field forward. CONTENTS

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“…298 In recent years, an increasing number of investigations characterized the multiphase reactivity of individual compounds and organic films ubiquitously present on indoor surfaces. [299][300][301] Most studies focus on ozone and have clearly demonstrated that skin lipids (e.g., squalene) and terpenoids from consumer products undergo multiphase ozonation. 300 Other well-established multiphase reactions occurring indoor include the formation of HONO by dissolution of gas-phase NO2 into adsorbed water or via photochemical processes; acid-base partitioning of ammonia, amines, and organic acids; hydrolysis; and reactions induced by chlorine-based oxidants (reviewed by Ault et al 301 and others 299,300 ).…”

Section: Expected Leaf-surface Reactivity Of Svocs and Particlesmentioning

confidence: 99%

“…[299][300][301] Most studies focus on ozone and have clearly demonstrated that skin lipids (e.g., squalene) and terpenoids from consumer products undergo multiphase ozonation. 300 Other well-established multiphase reactions occurring indoor include the formation of HONO by dissolution of gas-phase NO2 into adsorbed water or via photochemical processes; acid-base partitioning of ammonia, amines, and organic acids; hydrolysis; and reactions induced by chlorine-based oxidants (reviewed by Ault et al 301 and others 299,300 ). While some of these processes will only be relevant in human-occupied areas, others may also occur on leaf surfaces (e.g., acid-base equilibria 4 ).…”

Section: Expected Leaf-surface Reactivity Of Svocs and Particlesmentioning

confidence: 99%

“…License: CC BY-NC-ND 4.0 surface's chemical landscape appears different from the beginning; and as a new cycle takes place (Figure 10F), more substances are added, processed, and removed. Conceptually, this process is analogous to the growth and evolution of organic films on the surface of inert substrates indoor 300,301 and outdoor, 24,25 with differences related to specific features of the substrate (cuticles vs. inert materials), oxidant and substrates availability, and prevailing reaction conditions.…”

Section: Towards a Unified View Of Leaf Surface Reactivitymentioning

confidence: 99%

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The chemical landscape of leaf surfaces and its interaction with the atmosphere

Ossola,

Farmer

2024

Preprint

0

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Atmospheric chemists have historically treated plant leaves as inert surfaces that merely emit volatile hydrocarbons through their stomata. However, a growing body of evidence suggests that leaves are ubiquitous substrates for multiphase reactions of atmospheric relevance – implying the presence of chemicals on their surfaces. This Review provides an evidence-based overview of the chemistry and reactivity of the leaf surface’s “chemical landscape”, the dynamic ensemble of molecules and particles that cover plant leaves. We classified chemicals as endogenous (originating from the leaf and its biome) or exogenous (delivered from the environment), highlighting the biological, geographical, and meteorological factors driving their relative contributions. Based on available data, we predicted ≫ 2 µg cm-2 of organics on a typical leaf, leading to a global estimate of ≫ 3 Tg available for multiphase reactions. Our work also highlighted three major knowledge gaps: (i) the key (but still overlooked) role of ambient water in enabling the leaching of endogenous substances and mediating aqueous chemistry; (ii) the role of phyllosphere biofilms in shaping leaf surface chemistry and reactivity; (iii) the paucity of studies on the multiphase reactivity of main atmospheric oxidants with leaf-adsorbed chemicals. Although biased towards available data, we hope this Review will spark a renewed interest on the leaf surface’s chemical landscape and motivate the establishment of multidisciplinary collaborations to move the field forward.

show abstract

The chemical landscape of leaf surfaces and its interaction with the atmosphere

Ossola,

Farmer

2023

Preprint

0

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Atmospheric chemists have historically treated plant leaves as inert surfaces that merely emit volatile hydrocarbons through their stomata. However, a growing body of evidence suggests that leaves are ubiquitous substrates for multiphase reactions of atmospheric relevance – implying the presence of chemicals on their surfaces. This Review provides an evidence-based overview of the chemistry and reactivity of the leaf surface’s “chemical landscape”, the dynamic ensemble of molecules and particles that cover plant leaves. We classified chemicals as endogenous (originating from the leaf and its biome) or exogenous (delivered from the environment), highlighting the biological, geographical, and meteorological factors driving their relative contributions. Based on available data, we predicted ≫ 2 µg cm-2 of organics on a typical leaf, leading to a global estimate of ≫ 3 Tg available for multiphase reactions. Our work also highlighted three major knowledge gaps: (i) the key (but still overlooked) role of ambient water in enabling the leaching of endogenous substances and mediating aqueous chemistry; (ii) the role of phyllosphere biofilms in shaping leaf surface chemistry and reactivity; (iii) the paucity of studies on the multiphase reactivity of main atmospheric oxidants with leaf-adsorbed chemicals. Although biased towards available data, we hope this Review will spark a renewed interest on the leaf surface’s chemical landscape and motivate the establishment of multidisciplinary collaborations to move the field forward.

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Indoor Surface Chemistry

Cited by 3 publications

References 96 publications

The Chemical Landscape of Leaf Surfaces and Its Interaction with the Atmosphere

The Chemical Landscape of Leaf Surfaces and Its Interaction with the Atmosphere

The chemical landscape of leaf surfaces and its interaction with the atmosphere

The chemical landscape of leaf surfaces and its interaction with the atmosphere

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