Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti

Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environ...
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Gespeichert in:

Autor*in:	Zhou, Dan [verfasserIn] Liang, Mengmeng [verfasserIn] Bao, Xingyue [verfasserIn] Sun, Tiezhu [verfasserIn] Huang, Yi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Sodium humate Montmorillonite Natural soil Dispersion stability Degradation

Übergeordnetes Werk:	Enthalten in: Environmental research - San Diego, Calif. : Elsevier, 1967, 214
Übergeordnetes Werk:	volume:214

DOI / URN:	10.1016/j.envres.2022.113886

Katalog-ID:	ELV008351066

Internformat


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245	1	0	\|a Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti
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520			\|a Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environmental risk due to its cytotoxicity but has received little attention. The colloidal dispersion stability and degradation kinetics of Ti3C2Tx MXene in the groundwater were evaluated by considering the effects of soil colloids prepared from sodium humate (SH), montmorillonite (MT), and a natural soil (NS) under variable solution chemistry. The results showed that the affinity of soil colloids with Ti3C2Tx followed an SH > MT > NS sequence. Increasing SH concentration led to Ti3C2Tx disaggregation by enhancing the electrical and steric repulsive forces, while MT and NS resulted in hetero-aggregation because of the elevated collision frequency. SH and MT enhanced the critical coagulation concentrations of Ti3C2Tx by 100 and 10 folders, respectively, via surface coating process, while NS slightly reduced due to the bridging effects induced by the soluble cations. The soil colloids promoted Ti3C2Tx degradation compared with their absence and in an SH > MT ≫ NS sequence. SH and MT were through forming Ti–O–C and Si–O–Ti bonds with Ti3C2Tx via their carboxyl and hydroxyl groups, respectively, rendering the Ti3C2Tx surface more reactive and faster degradation. NS showed a weak promotion effect because of its less affinity with Ti3C2Tx and limited organic matter and clay contents with hydroxyl and carboxyl groups. This study demonstrated the unstable environmental behaviors of Ti3C2Tx in the groundwater and mitigated its environmental risk concerns.
650		4	\|a Sodium humate
650		4	\|a Montmorillonite
650		4	\|a Natural soil
650		4	\|a Dispersion stability
650		4	\|a Degradation
700	1		\|a Liang, Mengmeng \|e verfasserin \|4 aut
700	1		\|a Bao, Xingyue \|e verfasserin \|0 (orcid)0000-0002-4028-9908 \|4 aut
700	1		\|a Sun, Tiezhu \|e verfasserin \|4 aut
700	1		\|a Huang, Yi \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Environmental research \|d San Diego, Calif. : Elsevier, 1967 \|g 214 \|h Online-Ressource \|w (DE-627)266876927 \|w (DE-600)1467489-0 \|w (DE-576)109967119 \|x 1096-0953 \|7 nnns
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936	b	k	\|a 44.13 \|j Medizinische Ökologie
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author_variant	d z dz m l ml x b xb t s ts y h yh
matchkey_str	article:10960953:2022----::fetosiclodotegrgtoaderdtooeg
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publishDate	2022
allfields	10.1016/j.envres.2022.113886 doi (DE-627)ELV008351066 (ELSEVIER)S0013-9351(22)01213-0 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Zhou, Dan verfasserin aut Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environmental risk due to its cytotoxicity but has received little attention. The colloidal dispersion stability and degradation kinetics of Ti3C2Tx MXene in the groundwater were evaluated by considering the effects of soil colloids prepared from sodium humate (SH), montmorillonite (MT), and a natural soil (NS) under variable solution chemistry. The results showed that the affinity of soil colloids with Ti3C2Tx followed an SH > MT > NS sequence. Increasing SH concentration led to Ti3C2Tx disaggregation by enhancing the electrical and steric repulsive forces, while MT and NS resulted in hetero-aggregation because of the elevated collision frequency. SH and MT enhanced the critical coagulation concentrations of Ti3C2Tx by 100 and 10 folders, respectively, via surface coating process, while NS slightly reduced due to the bridging effects induced by the soluble cations. The soil colloids promoted Ti3C2Tx degradation compared with their absence and in an SH > MT ≫ NS sequence. SH and MT were through forming Ti–O–C and Si–O–Ti bonds with Ti3C2Tx via their carboxyl and hydroxyl groups, respectively, rendering the Ti3C2Tx surface more reactive and faster degradation. NS showed a weak promotion effect because of its less affinity with Ti3C2Tx and limited organic matter and clay contents with hydroxyl and carboxyl groups. This study demonstrated the unstable environmental behaviors of Ti3C2Tx in the groundwater and mitigated its environmental risk concerns. Sodium humate Montmorillonite Natural soil Dispersion stability Degradation Liang, Mengmeng verfasserin aut Bao, Xingyue verfasserin (orcid)0000-0002-4028-9908 aut Sun, Tiezhu verfasserin aut Huang, Yi verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 214 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 214
spelling	10.1016/j.envres.2022.113886 doi (DE-627)ELV008351066 (ELSEVIER)S0013-9351(22)01213-0 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Zhou, Dan verfasserin aut Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environmental risk due to its cytotoxicity but has received little attention. The colloidal dispersion stability and degradation kinetics of Ti3C2Tx MXene in the groundwater were evaluated by considering the effects of soil colloids prepared from sodium humate (SH), montmorillonite (MT), and a natural soil (NS) under variable solution chemistry. The results showed that the affinity of soil colloids with Ti3C2Tx followed an SH > MT > NS sequence. Increasing SH concentration led to Ti3C2Tx disaggregation by enhancing the electrical and steric repulsive forces, while MT and NS resulted in hetero-aggregation because of the elevated collision frequency. SH and MT enhanced the critical coagulation concentrations of Ti3C2Tx by 100 and 10 folders, respectively, via surface coating process, while NS slightly reduced due to the bridging effects induced by the soluble cations. The soil colloids promoted Ti3C2Tx degradation compared with their absence and in an SH > MT ≫ NS sequence. SH and MT were through forming Ti–O–C and Si–O–Ti bonds with Ti3C2Tx via their carboxyl and hydroxyl groups, respectively, rendering the Ti3C2Tx surface more reactive and faster degradation. NS showed a weak promotion effect because of its less affinity with Ti3C2Tx and limited organic matter and clay contents with hydroxyl and carboxyl groups. This study demonstrated the unstable environmental behaviors of Ti3C2Tx in the groundwater and mitigated its environmental risk concerns. Sodium humate Montmorillonite Natural soil Dispersion stability Degradation Liang, Mengmeng verfasserin aut Bao, Xingyue verfasserin (orcid)0000-0002-4028-9908 aut Sun, Tiezhu verfasserin aut Huang, Yi verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 214 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 214
allfields_unstemmed	10.1016/j.envres.2022.113886 doi (DE-627)ELV008351066 (ELSEVIER)S0013-9351(22)01213-0 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Zhou, Dan verfasserin aut Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environmental risk due to its cytotoxicity but has received little attention. The colloidal dispersion stability and degradation kinetics of Ti3C2Tx MXene in the groundwater were evaluated by considering the effects of soil colloids prepared from sodium humate (SH), montmorillonite (MT), and a natural soil (NS) under variable solution chemistry. The results showed that the affinity of soil colloids with Ti3C2Tx followed an SH > MT > NS sequence. Increasing SH concentration led to Ti3C2Tx disaggregation by enhancing the electrical and steric repulsive forces, while MT and NS resulted in hetero-aggregation because of the elevated collision frequency. SH and MT enhanced the critical coagulation concentrations of Ti3C2Tx by 100 and 10 folders, respectively, via surface coating process, while NS slightly reduced due to the bridging effects induced by the soluble cations. The soil colloids promoted Ti3C2Tx degradation compared with their absence and in an SH > MT ≫ NS sequence. SH and MT were through forming Ti–O–C and Si–O–Ti bonds with Ti3C2Tx via their carboxyl and hydroxyl groups, respectively, rendering the Ti3C2Tx surface more reactive and faster degradation. NS showed a weak promotion effect because of its less affinity with Ti3C2Tx and limited organic matter and clay contents with hydroxyl and carboxyl groups. This study demonstrated the unstable environmental behaviors of Ti3C2Tx in the groundwater and mitigated its environmental risk concerns. Sodium humate Montmorillonite Natural soil Dispersion stability Degradation Liang, Mengmeng verfasserin aut Bao, Xingyue verfasserin (orcid)0000-0002-4028-9908 aut Sun, Tiezhu verfasserin aut Huang, Yi verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 214 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 214
allfieldsGer	10.1016/j.envres.2022.113886 doi (DE-627)ELV008351066 (ELSEVIER)S0013-9351(22)01213-0 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Zhou, Dan verfasserin aut Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environmental risk due to its cytotoxicity but has received little attention. The colloidal dispersion stability and degradation kinetics of Ti3C2Tx MXene in the groundwater were evaluated by considering the effects of soil colloids prepared from sodium humate (SH), montmorillonite (MT), and a natural soil (NS) under variable solution chemistry. The results showed that the affinity of soil colloids with Ti3C2Tx followed an SH > MT > NS sequence. Increasing SH concentration led to Ti3C2Tx disaggregation by enhancing the electrical and steric repulsive forces, while MT and NS resulted in hetero-aggregation because of the elevated collision frequency. SH and MT enhanced the critical coagulation concentrations of Ti3C2Tx by 100 and 10 folders, respectively, via surface coating process, while NS slightly reduced due to the bridging effects induced by the soluble cations. The soil colloids promoted Ti3C2Tx degradation compared with their absence and in an SH > MT ≫ NS sequence. SH and MT were through forming Ti–O–C and Si–O–Ti bonds with Ti3C2Tx via their carboxyl and hydroxyl groups, respectively, rendering the Ti3C2Tx surface more reactive and faster degradation. NS showed a weak promotion effect because of its less affinity with Ti3C2Tx and limited organic matter and clay contents with hydroxyl and carboxyl groups. This study demonstrated the unstable environmental behaviors of Ti3C2Tx in the groundwater and mitigated its environmental risk concerns. Sodium humate Montmorillonite Natural soil Dispersion stability Degradation Liang, Mengmeng verfasserin aut Bao, Xingyue verfasserin (orcid)0000-0002-4028-9908 aut Sun, Tiezhu verfasserin aut Huang, Yi verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 214 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 214
allfieldsSound	10.1016/j.envres.2022.113886 doi (DE-627)ELV008351066 (ELSEVIER)S0013-9351(22)01213-0 DE-627 ger DE-627 rda eng 333.7 610 DE-600 44.13 bkl Zhou, Dan verfasserin aut Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environmental risk due to its cytotoxicity but has received little attention. The colloidal dispersion stability and degradation kinetics of Ti3C2Tx MXene in the groundwater were evaluated by considering the effects of soil colloids prepared from sodium humate (SH), montmorillonite (MT), and a natural soil (NS) under variable solution chemistry. The results showed that the affinity of soil colloids with Ti3C2Tx followed an SH > MT > NS sequence. Increasing SH concentration led to Ti3C2Tx disaggregation by enhancing the electrical and steric repulsive forces, while MT and NS resulted in hetero-aggregation because of the elevated collision frequency. SH and MT enhanced the critical coagulation concentrations of Ti3C2Tx by 100 and 10 folders, respectively, via surface coating process, while NS slightly reduced due to the bridging effects induced by the soluble cations. The soil colloids promoted Ti3C2Tx degradation compared with their absence and in an SH > MT ≫ NS sequence. SH and MT were through forming Ti–O–C and Si–O–Ti bonds with Ti3C2Tx via their carboxyl and hydroxyl groups, respectively, rendering the Ti3C2Tx surface more reactive and faster degradation. NS showed a weak promotion effect because of its less affinity with Ti3C2Tx and limited organic matter and clay contents with hydroxyl and carboxyl groups. This study demonstrated the unstable environmental behaviors of Ti3C2Tx in the groundwater and mitigated its environmental risk concerns. Sodium humate Montmorillonite Natural soil Dispersion stability Degradation Liang, Mengmeng verfasserin aut Bao, Xingyue verfasserin (orcid)0000-0002-4028-9908 aut Sun, Tiezhu verfasserin aut Huang, Yi verfasserin aut Enthalten in Environmental research San Diego, Calif. : Elsevier, 1967 214 Online-Ressource (DE-627)266876927 (DE-600)1467489-0 (DE-576)109967119 1096-0953 nnns volume:214 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.13 Medizinische Ökologie AR 214
language	English
source	Enthalten in Environmental research 214 volume:214
sourceStr	Enthalten in Environmental research 214 volume:214
format_phy_str_mv	Article
bklname	Medizinische Ökologie
institution	findex.gbv.de
topic_facet	Sodium humate Montmorillonite Natural soil Dispersion stability Degradation
dewey-raw	333.7
isfreeaccess_bool	false
container_title	Environmental research
authorswithroles_txt_mv	Zhou, Dan @@aut@@ Liang, Mengmeng @@aut@@ Bao, Xingyue @@aut@@ Sun, Tiezhu @@aut@@ Huang, Yi @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	266876927
dewey-sort	3333.7
id	ELV008351066
language_de	englisch
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author	Zhou, Dan
spellingShingle	Zhou, Dan ddc 333.7 bkl 44.13 misc Sodium humate misc Montmorillonite misc Natural soil misc Dispersion stability misc Degradation Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti
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topic_title	333.7 610 DE-600 44.13 bkl Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti Sodium humate Montmorillonite Natural soil Dispersion stability Degradation
topic	ddc 333.7 bkl 44.13 misc Sodium humate misc Montmorillonite misc Natural soil misc Dispersion stability misc Degradation
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title	Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti
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title_full	Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti
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title_sort	effects of soil colloids on the aggregation and degradation of engineered nanoparticles (ti
title_auth	Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti
abstract	Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environmental risk due to its cytotoxicity but has received little attention. The colloidal dispersion stability and degradation kinetics of Ti3C2Tx MXene in the groundwater were evaluated by considering the effects of soil colloids prepared from sodium humate (SH), montmorillonite (MT), and a natural soil (NS) under variable solution chemistry. The results showed that the affinity of soil colloids with Ti3C2Tx followed an SH > MT > NS sequence. Increasing SH concentration led to Ti3C2Tx disaggregation by enhancing the electrical and steric repulsive forces, while MT and NS resulted in hetero-aggregation because of the elevated collision frequency. SH and MT enhanced the critical coagulation concentrations of Ti3C2Tx by 100 and 10 folders, respectively, via surface coating process, while NS slightly reduced due to the bridging effects induced by the soluble cations. The soil colloids promoted Ti3C2Tx degradation compared with their absence and in an SH > MT ≫ NS sequence. SH and MT were through forming Ti–O–C and Si–O–Ti bonds with Ti3C2Tx via their carboxyl and hydroxyl groups, respectively, rendering the Ti3C2Tx surface more reactive and faster degradation. NS showed a weak promotion effect because of its less affinity with Ti3C2Tx and limited organic matter and clay contents with hydroxyl and carboxyl groups. This study demonstrated the unstable environmental behaviors of Ti3C2Tx in the groundwater and mitigated its environmental risk concerns.
abstractGer	Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environmental risk due to its cytotoxicity but has received little attention. The colloidal dispersion stability and degradation kinetics of Ti3C2Tx MXene in the groundwater were evaluated by considering the effects of soil colloids prepared from sodium humate (SH), montmorillonite (MT), and a natural soil (NS) under variable solution chemistry. The results showed that the affinity of soil colloids with Ti3C2Tx followed an SH > MT > NS sequence. Increasing SH concentration led to Ti3C2Tx disaggregation by enhancing the electrical and steric repulsive forces, while MT and NS resulted in hetero-aggregation because of the elevated collision frequency. SH and MT enhanced the critical coagulation concentrations of Ti3C2Tx by 100 and 10 folders, respectively, via surface coating process, while NS slightly reduced due to the bridging effects induced by the soluble cations. The soil colloids promoted Ti3C2Tx degradation compared with their absence and in an SH > MT ≫ NS sequence. SH and MT were through forming Ti–O–C and Si–O–Ti bonds with Ti3C2Tx via their carboxyl and hydroxyl groups, respectively, rendering the Ti3C2Tx surface more reactive and faster degradation. NS showed a weak promotion effect because of its less affinity with Ti3C2Tx and limited organic matter and clay contents with hydroxyl and carboxyl groups. This study demonstrated the unstable environmental behaviors of Ti3C2Tx in the groundwater and mitigated its environmental risk concerns.
abstract_unstemmed	Soil colloid is a nonnegligible factor when evaluating the environmental risk of engineered nanoparticles (ENPs) in the groundwater. In this study, the environmental fate of an emerging ENP (Ti3C2Tx MXene) in the groundwater was investigated for the first time, which currently poses a severe environmental risk due to its cytotoxicity but has received little attention. The colloidal dispersion stability and degradation kinetics of Ti3C2Tx MXene in the groundwater were evaluated by considering the effects of soil colloids prepared from sodium humate (SH), montmorillonite (MT), and a natural soil (NS) under variable solution chemistry. The results showed that the affinity of soil colloids with Ti3C2Tx followed an SH > MT > NS sequence. Increasing SH concentration led to Ti3C2Tx disaggregation by enhancing the electrical and steric repulsive forces, while MT and NS resulted in hetero-aggregation because of the elevated collision frequency. SH and MT enhanced the critical coagulation concentrations of Ti3C2Tx by 100 and 10 folders, respectively, via surface coating process, while NS slightly reduced due to the bridging effects induced by the soluble cations. The soil colloids promoted Ti3C2Tx degradation compared with their absence and in an SH > MT ≫ NS sequence. SH and MT were through forming Ti–O–C and Si–O–Ti bonds with Ti3C2Tx via their carboxyl and hydroxyl groups, respectively, rendering the Ti3C2Tx surface more reactive and faster degradation. NS showed a weak promotion effect because of its less affinity with Ti3C2Tx and limited organic matter and clay contents with hydroxyl and carboxyl groups. This study demonstrated the unstable environmental behaviors of Ti3C2Tx in the groundwater and mitigated its environmental risk concerns.
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title_short	Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti
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up_date	2024-07-06T19:24:15.834Z
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Effects of soil colloids on the aggregation and degradation of engineered nanoparticles (Ti

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