Fate and Effect of Nano Tungsten Carbide Cobalt (WCCo) in the Soil Environment: Observing a Nanoparticle Specific Toxicity in Enchytraeus crypticus

Maria J. Ribeiro; Vera L. Maria; Amadeu M. V. M. Soares; Janeck J. Scott-Fordsmand; Monica J. B. Amorim

doi:10.1021/acs.est.8b02537

Fate and Effect of Nano Tungsten Carbide Cobalt (WCCo) in the Soil Environment: Observing a Nanoparticle Specific Toxicity in Enchytraeus crypticus

Maria J. Ribeiro, Vera L. Maria, Amadeu M. V. M. Soares, Janeck J. Scott-Fordsmand, Monica J. B. Amorim^*

^*Corresponding author for this work

Department of Ecoscience - Soil Fauna Ecology and Ecotoxicology

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

28 Citations (Scopus)

Abstract

Tungsten carbide cobalt (WCCo) nanoparticles (NPs) are widely used in hard metal industries. Pulmonary diseases and risk of cancer are associated with occupational exposure, but knowledge about the environmental fate and effects is virtually absent. In this study, the fate and effects of crystalline WCCo NPs, WC, and Co2+ were assessed in the soil model Enchytraeus crypticus, following the standard Enchytraeid Reproduction Test (ERT). An additional 28 day exposure period compared to the ERT (i.e., a total of 56 days) was performed to assess longer-term effects. WCCo NPs affected reproduction at a concentration higher than the corresponding Co based (EC50 = 1500 mg WCCo/kg, equivalent to 128 mg Co/kg). WC showed no negative effect up to 1000 mg W/kg. Maximum uptake of Co was 10-fold higher for CoCl2 compared to WCCo exposed organisms. Overall toxicity seems to be due to a combined effect between WC and Co. This is supported by the soil bioavailable fraction and biological tissue measurements. Last, results highlight the need to consider longer exposure period of NPs for comparable methods standardized for conventional chemicals.

Original language	English
Journal	Environmental Science & Technology
Volume	52
Issue	19
Pages (from-to)	11394-11401
Number of pages	8
ISSN	0013-936X
DOIs	https://doi.org/10.1021/acs.est.8b02537
Publication status	Published - 2 Oct 2018

Keywords

FULL LIFE-CYCLE
HARD METAL PARTICLES
IN-VITRO
CELL-LINE
LUNG TOXICITY
FACTOR-ALPHA
CO
CONTAMINATION
REPRODUCTION
EARTHWORM

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10.1021/acs.est.8b02537

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title = "Fate and Effect of Nano Tungsten Carbide Cobalt (WCCo) in the Soil Environment: Observing a Nanoparticle Specific Toxicity in Enchytraeus crypticus",

abstract = "Tungsten carbide cobalt (WCCo) nanoparticles (NPs) are widely used in hard metal industries. Pulmonary diseases and risk of cancer are associated with occupational exposure, but knowledge about the environmental fate and effects is virtually absent. In this study, the fate and effects of crystalline WCCo NPs, WC, and Co2+ were assessed in the soil model Enchytraeus crypticus, following the standard Enchytraeid Reproduction Test (ERT). An additional 28 day exposure period compared to the ERT (i.e., a total of 56 days) was performed to assess longer-term effects. WCCo NPs affected reproduction at a concentration higher than the corresponding Co based (EC50 = 1500 mg WCCo/kg, equivalent to 128 mg Co/kg). WC showed no negative effect up to 1000 mg W/kg. Maximum uptake of Co was 10-fold higher for CoCl2 compared to WCCo exposed organisms. Overall toxicity seems to be due to a combined effect between WC and Co. This is supported by the soil bioavailable fraction and biological tissue measurements. Last, results highlight the need to consider longer exposure period of NPs for comparable methods standardized for conventional chemicals.",

keywords = "FULL LIFE-CYCLE, HARD METAL PARTICLES, IN-VITRO, CELL-LINE, LUNG TOXICITY, FACTOR-ALPHA, CO, CONTAMINATION, REPRODUCTION, EARTHWORM",

author = "Ribeiro, {Maria J.} and Maria, {Vera L.} and Soares, {Amadeu M. V. M.} and Scott-Fordsmand, {Janeck J.} and Amorim, {Monica J. B.}",

year = "2018",

month = oct,

day = "2",

doi = "10.1021/acs.est.8b02537",

language = "English",

volume = "52",

pages = "11394--11401",

journal = "Environmental Science & Technology",

issn = "0013-936X",

publisher = "American Chemical Society",

number = "19",

}

Fate and Effect of Nano Tungsten Carbide Cobalt (WCCo) in the Soil Environment: Observing a Nanoparticle Specific Toxicity in Enchytraeus crypticus. / Ribeiro, Maria J.; Maria, Vera L.; Soares, Amadeu M. V. M. et al.
In: Environmental Science & Technology, Vol. 52, No. 19, 02.10.2018, p. 11394-11401.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

TY - JOUR

T1 - Fate and Effect of Nano Tungsten Carbide Cobalt (WCCo) in the Soil Environment

T2 - Observing a Nanoparticle Specific Toxicity in Enchytraeus crypticus

AU - Ribeiro, Maria J.

AU - Maria, Vera L.

AU - Soares, Amadeu M. V. M.

AU - Scott-Fordsmand, Janeck J.

AU - Amorim, Monica J. B.

PY - 2018/10/2

Y1 - 2018/10/2

N2 - Tungsten carbide cobalt (WCCo) nanoparticles (NPs) are widely used in hard metal industries. Pulmonary diseases and risk of cancer are associated with occupational exposure, but knowledge about the environmental fate and effects is virtually absent. In this study, the fate and effects of crystalline WCCo NPs, WC, and Co2+ were assessed in the soil model Enchytraeus crypticus, following the standard Enchytraeid Reproduction Test (ERT). An additional 28 day exposure period compared to the ERT (i.e., a total of 56 days) was performed to assess longer-term effects. WCCo NPs affected reproduction at a concentration higher than the corresponding Co based (EC50 = 1500 mg WCCo/kg, equivalent to 128 mg Co/kg). WC showed no negative effect up to 1000 mg W/kg. Maximum uptake of Co was 10-fold higher for CoCl2 compared to WCCo exposed organisms. Overall toxicity seems to be due to a combined effect between WC and Co. This is supported by the soil bioavailable fraction and biological tissue measurements. Last, results highlight the need to consider longer exposure period of NPs for comparable methods standardized for conventional chemicals.

AB - Tungsten carbide cobalt (WCCo) nanoparticles (NPs) are widely used in hard metal industries. Pulmonary diseases and risk of cancer are associated with occupational exposure, but knowledge about the environmental fate and effects is virtually absent. In this study, the fate and effects of crystalline WCCo NPs, WC, and Co2+ were assessed in the soil model Enchytraeus crypticus, following the standard Enchytraeid Reproduction Test (ERT). An additional 28 day exposure period compared to the ERT (i.e., a total of 56 days) was performed to assess longer-term effects. WCCo NPs affected reproduction at a concentration higher than the corresponding Co based (EC50 = 1500 mg WCCo/kg, equivalent to 128 mg Co/kg). WC showed no negative effect up to 1000 mg W/kg. Maximum uptake of Co was 10-fold higher for CoCl2 compared to WCCo exposed organisms. Overall toxicity seems to be due to a combined effect between WC and Co. This is supported by the soil bioavailable fraction and biological tissue measurements. Last, results highlight the need to consider longer exposure period of NPs for comparable methods standardized for conventional chemicals.

KW - FULL LIFE-CYCLE

KW - HARD METAL PARTICLES

KW - IN-VITRO

KW - CELL-LINE

KW - LUNG TOXICITY

KW - FACTOR-ALPHA

KW - CO

KW - CONTAMINATION

KW - REPRODUCTION

KW - EARTHWORM

U2 - 10.1021/acs.est.8b02537

DO - 10.1021/acs.est.8b02537

M3 - Journal article

C2 - 30193070

SN - 0013-936X

VL - 52

SP - 11394

EP - 11401

JO - Environmental Science & Technology

JF - Environmental Science & Technology

IS - 19

ER -

Fate and Effect of Nano Tungsten Carbide Cobalt (WCCo) in the Soil Environment: Observing a Nanoparticle Specific Toxicity in Enchytraeus crypticus

Abstract

Keywords

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