Environmental Science: Nano最新文献

{"title":"Efficiency of Lignin nanocapsules for delivering neem oil and capsaicin against pest insects: insights from the system Eruca sativa – Plutella xylostella.","authors":"Falsini Sara, Tommaso Nieri, Alessio Papini, Maria Cristina Salvatici, Ali Abou-Hassan, Cristina Gonnelli, Sandra Ristori","doi":"10.1039/d4en00915k","DOIUrl":"https://doi.org/10.1039/d4en00915k","url":null,"abstract":"In this paper, we report on the design, production and in depth characterization of nanoformulations based on Kraft lignin for delivering neem oil and capsaicin as insect repellents. The procedure followed was aimed at establishing a protocol for scalable preparations, which can also ensure that the obtained dispersions are stable in water media, from where they can be administered by safe and easy routes (e.g. foliar spay). Lignin was initially dispersed in alkaline solution to obtain a concentration of 5% w/w. After oil addition in comparable proportion (4.5 % v/v), the resulting dispersed aggregates were downsized by sonication. To increase the insect repellency effect, capsaicin was added to half of the samples by dissolution in the oil phase. Extensive structural characterization by DLS, electron microscopy and SAXS showed that all formulations contained well-defined particles with moderate polydispersity and globular shape, which tended to be more elongated in the case of lower starting pH and consequent lower surface charge of the particles. In all the samples negative Zeta Potential values were measured, thus ensuring good stability by electrostatic repulsion. These findings represent a favourable premise for applications, since one possible drawback in the production of dispersed systems from natural sources is the ill-defined nature of the ensuing formulation, often showing thread-like interconnected structures coexisting with a small fraction of discrete objects, which can impart poor stability. The potentiality of the present formulations as insect repellents was tested on Eruca sativa plantlets against larvae of Plutella xylostella with encouraging results.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"20 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142981519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sorption of Arsenate on Cerium Oxide: A Simulated Infrared and Raman Spectroscopic Identification","authors":"Khoa Minh Ta, Deyontae O. Wisdom, Lisa J Gillie, David J Cooke, Runliang Zhu, Mario Goncalves, Stephen Parker, Marco Molinari","doi":"10.1039/d4en00894d","DOIUrl":"https://doi.org/10.1039/d4en00894d","url":null,"abstract":"Ceria (CeO2) is a candidate for arsenic removal, and characterizing its surface speciation is crucial for controlling its removal ability. Here, we focus on arsenates and exploit ab initio calculations to study their interaction with the three most stable surfaces of CeO2. The adsorption of arsenate is stronger on the {100} surface followed by the {110} and {111} surfaces. We find that arsenate can potentially adsorb to CeO2 surfaces, with a range of binding configurations. Interestingly, we discovered a 5-fold coordinated As(V) species in a trigonal bipyramidal coordination, which is stable and displays a strong interaction with the surfaces, pulling oxygen out of the surfaces, which should be a valuable model to address in As adsorption experiments such as EXAFS. We then predict the infrared (IR) and Raman spectral signatures, finding that adsorbed arsenates have a characteristic spectral fingerprint between 200 and 1200 cm–1. Characteristic peaks compared with experiments gives confidence in the modelling. The 5-fold coordinated As species in particular shows potential diagnostic As–O stretching modes between 635 and 756 cm–1 in IR spectra and 387-521 cm–1 in Raman spectra. While all binding modes for arsenate adsorption on ceria provide IR active modes, interestingly this is not the case for Raman active modes. Here, we provide a set of reference spectra and binding modes for arsenates on CeO2 that can further experimental characterization of arsenate speciation, and provide control of its impact on the removal performance of cerium dioxide.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"13 8 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142940384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficient bimetallic metal–organic framework derived magnetic Co/N-PC-800 nanoreactor for peroxymonosulfate activation and carbamazepine degradation","authors":"Qiao-Qiao Huang, Yu-Mei Wang, Xun Fu, Xiao-Li Hu, Jia-Wei Wang, Zhong-Min Su","doi":"10.1039/d4en00898g","DOIUrl":"https://doi.org/10.1039/d4en00898g","url":null,"abstract":"Co/N-PC-<em>T</em> precursors were obtained in this study using solvent heating and immersion methods. Subsequently, simple pot calcination of Co@Zn-MOF (metal–organic framework) and dicyandiamide green precursors was carried out to prepare N-doped magnetic carbon materials, known as Co/N-PC-<em>T</em>. Co/N-PC-<em>T</em> were employed to activate peroxymonosulfate (PMS) and degrade developing pollutants. The Co/N-PC-800 catalyst exhibited excellent catalytic activity. When Co/N-PC-800 was used for PMS activation, carbamazepine (CBZ) degradation could exceed 98% within 30 min, with a degradation rate of 0.23 min<small>⁻¹</small>, which was 4.77, 5.73, and 1.28 times higher than that of Co/N-PC-600 (0.05 min<small>⁻¹</small>), Co/N-PC-700 (0.04 min<small>⁻¹</small>), and Co/N-PC-900 (0.18 min<small>⁻¹</small>), respectively. The Co/N-PC-800/PMS system contained radical and non-radical pathways, which were further confirmed by electron paramagnetic resonance (EPR) tests, and the corresponding catalytic reaction mechanisms were proposed. The breakdown pathways of CBZ in the Co/N-PC-800/PMS system were described, and the ecotoxicity of CBZ and its degradation by-products was assessed. After five cycles, Co/N-PC-800 was shown to be stable and recyclable. This study proposes a novel synthetic technique for developing MOF-derived environmental functional materials.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"28 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142936249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Colorimetric visualization detection of perfluorooctanoic acid based on host–guest interactions with cyclodextrin-modified gold nanoparticles","authors":"Jiateng Ma, Chuang Liu, Jiali Li, Zhiquan An, Bihong Zhang, Wenjun Hong, Cheng Ye, Minjie Li, Liang-Hong Guo","doi":"10.1039/d4en01096e","DOIUrl":"https://doi.org/10.1039/d4en01096e","url":null,"abstract":"Perfluorooctanoic acid (PFOA) is a pervasive environmental contaminant known for its resistance to degradation and its tendency to bioaccumulate in living organisms. Due to its persistent and harmful nature, the development of fast, sensitive detection methods is critical for effective environmental monitoring and safeguarding public health. This study developed a colorimetric sensor based on the host–guest interactions between PFOA and cyclodextrin-modified gold nanoparticles (CD@AuNPs) for the visual detection of PFOA. The interaction between cyclodextrin and PFOA induced aggregation of the gold nanoparticles, leading to a visible color change in the solution from red to blue-purple, enabling the visual detection of PFOA. Experimental results demonstrated that the sensor offered satisfactory sensitivity for detection of PFOA, with a detection limit of 170 nM, 156 nM, and 204 nM using α-CD@AuNPs, β-CD@AuNPs and γ-CD@AuNPs respectively. Notably, it maintained selective recognition of PFOA in the presence of other perfluorocarboxylic acids. Recovery rates of spiked PFOA in lake water samples ranged from 98% to 129%. With its simplicity, rapid detection, and cost-efficiency, this method is particularly suited for on-site environmental monitoring.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"36 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142936259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Uptake of Polystyrene Nanospheres by Wheat and Arabidopsis Roots in Agar, Hydroponics, and Soil","authors":"Kaushik Adhikari, Karen Sanguinet, Carolyn Pearce, Markus Flury","doi":"10.1039/d4en01182a","DOIUrl":"https://doi.org/10.1039/d4en01182a","url":null,"abstract":"Plant uptake of micro- and nanoplastics can lead to contamination of food with plastic particles and subsequent human consumption of plastics. There is evidence that plant roots can take up micro- and nanoplastics; however, most of this evidence stems from experiments conducted with plants grown in hydroponics or agar systems where uptake of nanoparticles by roots is more favorable than when plants were grown in soil. Here, we discern the root uptake and accumulation of polystyrene nanospheres in plants grown in different growing media: agar, hydroponics, and soil. In addition, we tested the impacts of nanospheres on plant biomass and plant stress. Wheat and Arabidopsis thaliana were grown in agar, hydroponics, and soil media and exposed to polystyrene nanospheres. Three different nanospheres were used (40 nm and 200 nm carboxylate-modified and 200 nm amino-modified polystyrene) and uniformly mixed into the growing media. Plants were grown for 7 to 10 days and roots were then examined for the presence of nanospheres by confocal laser scanning microscopy and scanning electron microscopy. Plant stress was evaluated by measuring reactive oxygen species (ROS). We observed the 40 nm nanospheres inside plant roots, but the 200 nm nanospheres only adhered to root cap cells showing no uptake into the roots. Furthermore, confocal images indicated that root uptake of nanospheres was favored in hydroponic solutions as compared to agar and soil media. Plant biomass was generally not affected by the nanospheres, except for hydroponically grown A.~thaliana, where biomass was significantly reduced. Small sized (40 nm) and positively charged (200 nm amino-modified) nanospheres showed higher ROS accumulation in plants than negatively charged 200 nm carboxylate-modified nanospheres. This study provides evidence that polystyrene nanospheres can be taken up into the interior of plant roots and cause plant stress, but these impacts are less pronounced in media where the plastic particles are less mobile, like in agar and soil media as compared to hydroponic systems.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"78 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142936258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nanobiotechnology approaches for the remediation of persistent and emerging organic pollutants: strategies, interactions, and effectiveness","authors":"E. Ezequiel Andrada Suarez, M. Eugenia Roca Jalil, Martin A. Fernandez Baldo, Sergio A. Cuozzo","doi":"10.1039/d4en00424h","DOIUrl":"https://doi.org/10.1039/d4en00424h","url":null,"abstract":"The presence of persistent organic pollutants (POPs) and emerging contaminants (ECs) in the environment is a global concern due to their widespread use and resistance to degradation, further exacerbated by their tendency to accumulate in living organisms. Addressing the need to mitigate the harmful and cumulative impacts of pollution in the environment requires the development of effective and sustainable techniques for reducing these xenobiotics. Nanobiotechnology is an interdisciplinary field that combines nanotechnology and biotechnology to mitigate these environmental challenges, offering innovative solutions. Among them, nanomaterial-assisted bioremediation or nanobioremediation stands out as a promising alternative due to its versatility in combining properties that enable the development of customized remediation systems tailored to specific needs. This feasibility stems from the metabolic diversity and adaptability of microbial enzymatic machinery for the degradation of organic compounds, synergized with the extensive properties offered by nanoscale materials. This study provides an overview of nanobiotechnological systems developed to address halogenated POPs and emerging contaminants derived from pharmaceutical and personal care products (PPCPs). It discusses their methods of application, effectiveness, and the synergies resulting from the combination of nanomaterials and microorganisms, as well as some of their interaction mechanisms. Additionally, it emphasizes the importance of utilizing clays as a source of potentially modifiable natural nanomaterials with excellent properties for the development of sustainable hybrid remediation systems. Finally, the prospects and needs in this field of research are discussed.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"5 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142929661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Promoted solubilization and desorption of petroleum hydrocarbons to remediate contaminated soils using Pickering emulsions stabilized by cellulose nanocrystals","authors":"Yi Yang, Yi Ma, Tingting Huang, Xiaoming Song, Yinqing Zhang, Lingyan Zhu","doi":"10.1039/d4en00920g","DOIUrl":"https://doi.org/10.1039/d4en00920g","url":null,"abstract":"Surfactant-based treatment, particularly Pickering emulsion-based treatment, is becoming an attractive technique to remediate the globally concerned petroleum hydrocarbons-related soil pollution. Cellulose nanocrystals (CNCs) are promising natural materials to enhance the stability and performance of Pickering emulsions. In this study, rice straw was hydrolyzed through sulfuric acid (SCNCs) and combined HCOOH/H2SO4 (FSCNCs) to prepare CNCs, respectively. The yield of FSCNCs (73.2%) was significantly higher than that of SCNCs (44.6%), which largely reduced the consumption of H2SO4. Notably, the as-prepared FSCNCs had smaller particle size and more hydrophobic formyl groups than the SCNCs, enabling FSCNCs to exhibit better emulsification, stability, and amphiphilicity. The Pickering emulsions stabilized by FSCNCs were able to remove up to 59.1% of tetradecane, which was used as a representative molecule of petroleum hydrocarbons from soils across a wide range of ambient temperatures and ionic strengths. In the presence of surfactants, such as Tween-80 and plant biosurfactant, the droplet size decreased distinctly, further promoting the removal efficiency of tetradecane from soil. The large amount of oxygen-containing groups in FSCNCs favored the electrostatic attractions between FSCNCs and the minerals or metals in soils. The superior emulsification effect of FSCNCs greatly promoted the transfer of tetradecane into aqueous phase, thus enhancing the remediation efficiency. The findings provide novel insights into the utilization of Pickering emulsions stabilized by FSCNCs in remediation of soils contaminated by petroleum hydrocarbons.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"11 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142924582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Catalytic performance of electronic waste-derived gold nanoparticles for the reduction of p-nitrophenol","authors":"Michelle Lau, David C Young, Jack Chen, Jonathan Sperry","doi":"10.1039/d4en01077a","DOIUrl":"https://doi.org/10.1039/d4en01077a","url":null,"abstract":"Current methods for producing gold nanoparticles (AuNPs) typically involve solutions containing 50 to 27,000 ppm of gold. These precursor solutions are derived from purified ore material and are not representative of waste-derived gold-containing solutions, which generally range from 20 to 30 ppm. Electronic waste (e-waste) is an increasing global concern due to the presence of various toxic substances that can leach into the environment and pose risks to human health. However, e-waste also represents a rich source of precious metals, including Ag, Pd, and Au. Here, we report the synthesis of AuNPs derived from AuCl₄⁻ or AuI₄⁻ at concentrations typical of e-waste streams, as well as from printed circuit board (PCB) e-waste samples. The AuNPs, ranging from 3 to 30 nm in diameter, are deposited onto commercially available cellulose fibres by a reductive deposition method using hydrazine hydrate. The catalytic performance of the AuNPs was evaluated by measuring the reduction of p-nitrophenol to p-aminophenol in the presence of NaBH₄. The AuNPs derived from e-waste on cellulose exhibited higher turnover number (TON) and turnover frequency (TOF) compared to commercially available 30 nm AuNPs and previously reported AuNPs on cellulose, possibly due to trace amounts of palladium present. This study demonstrates that AuNPs can be efficiently synthesised from e-waste streams and provides proof-of-concept evidence that the gold in e-waste can serve as a valuable source of high-value catalysts.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"2 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142917520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Formation of stabilized vaterite nanoparticles via the introduction of uranyl into groundwater†","authors":"Siyuan Wu, Jin Du, Jiebiao Li, Mark Julian Henderson, Guangfeng Liu, Jianqiao Zhang, Na Li, Alain Gibaud, Qiang Tian","doi":"10.1039/d4en00726c","DOIUrl":"https://doi.org/10.1039/d4en00726c","url":null,"abstract":"In the context of deep geological disposal of nuclear wastes, this work reports the formation of vaterite colloids in aqueous mixtures of Beishan groundwater and uranyl nitrate. The thermodynamic equilibrium conditions of Beishan groundwater were altered by the presence of ternary uranyl solution species, e.g., Ca2UO2(CO3)3(aq) and CaUO2(CO3)32−. This led to the formation of spheroid-like vaterite colloids with a primary size of 3–4 nm and a secondary size of tens of nanometers, evidenced by synchrotron small-angle X-ray scattering (SAXS) and transmission electron microscopy (TEM). Stopped-flow SAXS measurements revealed that the formation and aggregation of vaterite nanoparticles occurred in less than 100 seconds. Vaterite colloids remained stable with respect to transformation to other stable polymorphs of CaCO3 in groundwater over the course of one year, due to the synergistic effects of UO22+, Mg2+, and SO42−. The presence of stable nano-sized vaterite nanoparticles with negative surface charges may increase the potential migration risks associated with U(VI). These results contribute to predicting and understanding the geochemical fate of radionuclides, as well as safety assessment of a nuclear waste repository.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"73 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142917519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Upcycling plant waste: Iron nanoparticles synthetized from Cannabis sativa enhance biomass and antioxidative properties in soybean (Glycine max)","authors":"Milica Pavlicevic, Shital Vaidya, Terri Arsenault, Anuja Bharadwaj, Craig Musante, Yingxue Yu, Itamar Shabtai, Joseph Liquori, Jose Angel Hernandez-Viezcas, Vinka Oyanedel Craver, Jorge L. Gardea-Torresdey, Christian Dimkpa, Jason C White, Nubia Zuverza-Mena","doi":"10.1039/d4en01018c","DOIUrl":"https://doi.org/10.1039/d4en01018c","url":null,"abstract":"Iron nanoparticles were phytosynthesized from biomass residues of two subspecies of Cannabis sativa (ssp. sativa and ssp. indica) and evaluated as a nanofertilizer for soybean growth. Both nanoparticles were identified as magnetite (Fe3O4) with a dry size smaller than 30 nm. The Fe3O4 nanoparticles (NPs) synthesized from ssp. indica (Fe NP-I) were negatively charged (- 27.2 ± 0.2 mV) with a smaller hydrodynamic diameter (164 ± 47 nm) than those from ssp. sativa (Fe NP-S) (+ 4.3 ± 0.1 mV; 1739 ± 146 nm). These differences were the result of variable composition of extracts from the two subspecies used for NP synthesis. Notably, C. sativa ssp. sativa contained a higher ratio of alcohols and mercaptans, while C. sativa ssp. indica contained more amines, ketones and organic acids. The dissolution of ions from the subspecies ssp. sativa and ssp. indica were 0.28 and 0.01% after 168 hours, respectively. When foliarly applied to soybean at 200 mg/L (6.25 ml per plant), Fe NPS and Fe NP-I increased content of chlorophylls by 142 % and 115 %, antioxidants by 121 % and 124 % and polyphenols by 177 % and 106 %, respectively, after 3 weeks of growth, compared to corresponding controls. However, Fe NP-S increased soybean biomass by 148 % whereas Fe NP-I had no impact on growth. These findings highlight the impact of the plant genotype on characteristics and effects of biosynthesized nanoparticles and provide novel insights for plant feedstock preferences for nanoparticle synthesis from plant waste for sustainable nano-enabled agriculture.","PeriodicalId":73,"journal":{"name":"Environmental Science: Nano","volume":"363 1","pages":""},"PeriodicalIF":8.131,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142917518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}