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Vannini A, Pagano L, Bartoli M, Fedeli R, Malcevschi A, Sidoli M, Magnani G, Pontiroli D, Riccò M, Marmiroli M, Petraglia A, Loppi S. Accumulation and Release of Cadmium Ions in the Lichen Evernia prunastri (L.) Ach. and Wood-Derived Biochar: Implication for the Use of Biochar for Environmental Biomonitoring. Toxics 2024; 12:66. [PMID: 38251021 PMCID: PMC10818847 DOI: 10.3390/toxics12010066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 01/23/2024]
Abstract
Biochar (BC) boasts diverse environmental applications. However, its potential for environmental biomonitoring has, surprisingly, remained largely unexplored. This study presents a preliminary analysis of BC's potential as a biomonitor for the environmental availability of ionic Cd, utilizing the lichen Evernia prunastri (L.) Ach. as a reference organism. For this purpose, the lichen E. prunastri and two types of wood-derived biochar, biochar 1 (BC1) and biochar 2 (BC2), obtained from two anonymous producers, were investigated for their ability to accumulate, or sequester and subsequently release, Cd when exposed to Cd-depleted conditions. Samples of lichen and biochar (fractions between 2 and 4 mm) were soaked for 1 h in a solution containing deionized water (control), 10 µM, and 100 µM Cd2+ (accumulation phase). Then, 50% of the treated samples were soaked for 24 h in deionized water (depuration phase). The lichen showed a very good ability to adsorb ionic Cd, higher than the two biochar samples (more than 46.5%), and a weak ability to release the metal (ca. 6%). As compared to the lichen, BC2 showed a lower capacity for Cd accumulation (-48%) and release (ca. 3%). BC1, on the other hand, showed a slightly higher Cd accumulation capacity than BC2 (+3.6%), but a release capacity similar to that of the lichen (ca. 5%). The surface area and the cation exchange capacity of the organism and the tested materials seem to play a key role in their ability to accumulate and sequester Cd, respectively. This study suggests the potential use of BC as a (bio)monitor for the presence of PTEs in atmospheric depositions and, perhaps, water bodies.
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Affiliation(s)
- Andrea Vannini
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/a, 43124 Parma, Italy; (L.P.); (M.B.); (A.M.); (M.M.); (A.P.)
| | - Luca Pagano
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/a, 43124 Parma, Italy; (L.P.); (M.B.); (A.M.); (M.M.); (A.P.)
- National Interuniveritary Consortium for Environmental (CINSA), University of Parma, Parco Area delle Scienze 95, 43124 Parma, Italy
| | - Marco Bartoli
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/a, 43124 Parma, Italy; (L.P.); (M.B.); (A.M.); (M.M.); (A.P.)
| | - Riccardo Fedeli
- Department of Life Sciences, University of Siena, Via PA Mattioli 4, 53100 Siena, Italy; (R.F.); (S.L.)
| | - Alessio Malcevschi
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/a, 43124 Parma, Italy; (L.P.); (M.B.); (A.M.); (M.M.); (A.P.)
| | - Michele Sidoli
- Department of Mathematical, Physical and Computer Sciences, University of Parma, Parco Area delle Scienze 7/a, 43124 Parma, Italy; (M.S.); (G.M.); (D.P.); (M.R.)
| | - Giacomo Magnani
- Department of Mathematical, Physical and Computer Sciences, University of Parma, Parco Area delle Scienze 7/a, 43124 Parma, Italy; (M.S.); (G.M.); (D.P.); (M.R.)
| | - Daniele Pontiroli
- Department of Mathematical, Physical and Computer Sciences, University of Parma, Parco Area delle Scienze 7/a, 43124 Parma, Italy; (M.S.); (G.M.); (D.P.); (M.R.)
| | - Mauro Riccò
- Department of Mathematical, Physical and Computer Sciences, University of Parma, Parco Area delle Scienze 7/a, 43124 Parma, Italy; (M.S.); (G.M.); (D.P.); (M.R.)
| | - Marta Marmiroli
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/a, 43124 Parma, Italy; (L.P.); (M.B.); (A.M.); (M.M.); (A.P.)
| | - Alessandro Petraglia
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/a, 43124 Parma, Italy; (L.P.); (M.B.); (A.M.); (M.M.); (A.P.)
| | - Stefano Loppi
- Department of Life Sciences, University of Siena, Via PA Mattioli 4, 53100 Siena, Italy; (R.F.); (S.L.)
- BAT Center-Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Naples ‘Federico II’, 80138 Napoli, Italy
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Sidoli M. The little puppet: working with autistic defences in mother‐infant psychotherapy. Journal of Analytical Psychology 2000; 45:159-75. [PMID: 14533392 DOI: 10.1111/1465-5922.00150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This paper outlines a constellation around birth in our society that is related to advanced western medicine and the way that families move around the globe. It describes a brief therapy with a three-year-old child who was diagnosed as autistic, and a mother who resorted to 'heroic' defences against the anxiety of being unsupported in a strange country. The therapist undertook to process the catastrophic experiences of the birth as expressed in the child's play and transform the accompanying monstrous fantasies into human experiences and thoughts. By providing a maternal container for both mother and child, the therapist was able to dissolve the couple's negative enmeshment and help create a space in the mother's mind in which she could process her own feelings, and thereby process and understand the child's feelings and communications.
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