Article
Plant Sciences
Liubov Skrypnik, Pavel Maslennikov, Anastasia Novikova, Mikhail Kozhikin
Summary: The study investigated the growth, oxidative stress, and antioxidative system response of two rye varieties cultivated on crude oil-contaminated soils at different concentrations. The Valdai variety showed more resistance to oil pollution and is considered a promising rye variety for cultivation on moderately oil-polluted soils for soil remediation. Further research is needed to understand oil transformation processes in the soil-rye system for efficient soil remediation.
Article
Biochemistry & Molecular Biology
Danni Li, Baoxiang Gu, Chunxi Huang, Jiayi Shen, Xin Wang, Jianan Guo, Ruiqiang Yu, Sirui Mou, Qingjie Guan
Summary: The WRKY gene family in plants plays a crucial role in regulating plant response to drought stress through signaling pathways and hormone interactions. In this study, the AfWRKY20 gene was cloned from Amorpha fruticosa seedlings and its involvement in drought response was investigated. The results showed that overexpression of AfWRKY20 in transgenic tobacco enhanced drought resistance at the germination stage, and improved antioxidant enzyme activity and chlorophyll content under drought stress conditions.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Engineering, Environmental
Qingguo Chen, Tongchang Wang, Lei Tang, Zhixiang Zeng, Baikang Zhu
Summary: The oil dewetting self-cleaning performance is the most effective method to solve viscous oil pollution. The surface composition has a positive correlation with the property, and the influence of surface microstructure is complex. By preparing different surface structures and performing the same surface modification, we found that the surface microstructure can have both promoting and inhibiting effects on oil dewetting, depending on the relative strength. This study provides practical structures for crude oil treatment and deepens our understanding of the structure-activity relationship in oil dewetting performance.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Multidisciplinary Sciences
Xinzhu Sun, Songmiao Hu, Xin Wang, He Liu, Yun Wei Zhou, Qingjie Guan
Summary: The study revealed the sensitivity of Amorpha fruticosa L. seedlings to drought stress and the important role of Salicylic acid in response to drought. Transcriptomic analysis showed that under drought stress, the differentially expressed genes were mostly up-regulated. DEGs were functionally enriched in cell wall, signal transduction, and hormonal regulation pathways.
Article
Chemistry, Multidisciplinary
Shujun Hou, Hailong Sun, Yinghua Zhou
Summary: This study investigated the effects of super absorbent polymer (SAP) on the root characteristics and anchorage of Amorpha fruticosa on rock slopes. The results showed that the addition of SAP could enhance the tensile strength of uphill embedded secondary lateral roots but had adverse effects on soil nutrients, root distribution, and root anchorage.
APPLIED SCIENCES-BASEL
(2022)
Article
Chemistry, Physical
Filomena Lelario, Giuliana Bianco, Sabino Aurelio Bufo, Laura Scrano
Summary: This study investigated the fate of Italian crude oil under simulated solar irradiation, as well as the transformations induced by different advanced oxidation processes (AOPs) for oil-polluted water remediation. The analysis revealed significant modifications in the composition of the crude oil after light irradiation, including the formation of potentially toxic substances. Remediation methods resulted in oil oxidation and changes in the non-polar compounds present in the water-soluble oil fraction.
Article
Chemistry, Analytical
Alberto L. Duran, Ediguer E. Franco, Carlos A. B. Reyna, Nicolas Perez, Marcos S. G. Tsuzuki, Flavio Buiochi
Summary: This study demonstrates the application of an ultrasonic multiple-scattering sensor for monitoring water-in-crude-oil emulsions. By analyzing signal energy and propagation velocity, the sensor was proven effective in determining water content.
Article
Environmental Sciences
Yihong Liu, Jing M. Chen, Liming He, Rong Wang, Nicholas G. Smith, Trevor F. Keenan, Cheryl Rogers, Wenyu Li, Jiye Leng
Summary: This study proposes a refined data assimilation scheme to retrieve daily Vcmax using remotely sensed solar-induced chlorophyll fluorescence (SIF) and leaf chlorophyll content (LCC) data. The spatial distribution of Vcmax depends on the spatial distribution of biomes, along with air temperature and absorbed photosynthetically active radiation (APAR). Vcmax25, which is more closely related to the Rubisco content, also has considerable spatiotemporal variations.
REMOTE SENSING OF ENVIRONMENT
(2023)
Article
Environmental Sciences
Shan Xu, Jon Atherton, Anu Riikonen, Chao Zhang, Jaakko Oivukkamaki, Alasdair MacArthur, Eija Honkavaara, Teemu Hakala, Niko Koivumaki, Zhigang Liu, Albert Porcar-Castell
Summary: This study examines the advantages of Solar-induced Fluorescence (SIF) in detecting drought stress compared to greenness-based Vegetation Indices, focusing on the impact of structural and photosynthetic dynamics on SIF in potato crops. It demonstrates that diurnal variations in SIF are driven by both photosynthetic and structural factors, with a prominent influence of fluorescence efficiencies in stressed plants. The relationship between SIF and Gross Primary Productivity (GPP) is maintained under water stress, highlighting the complexity of interpreting and modeling the spatiotemporal connection between SIF and GPP.
REMOTE SENSING OF ENVIRONMENT
(2021)
Article
Plant Sciences
Dongsheng An, Baoshan Zhao, Yang Liu, Zhijun Xu, Ran Kong, Chengming Yan, Junbo Su
Summary: The study investigated the differential drought-response strategies of drought-resistant and -susceptible sugarcane cultivars. It found that drought-resistant cultivars reacted more quickly to water deficit and had higher nonphotochemical quenching capability, which could contribute to their drought tolerance. Additionally, high water consumption might be adverse to drought tolerance of sugarcane.
Review
Engineering, Chemical
Rosa Paola Radice, Vincenzo De Fabrizio, Antonietta Donadoni, Antonio Scopa, Giuseppe Martelli
Summary: Crude oil is a major pollutant that generates contaminated processing waters, harmful to human health and the environment. Different techniques are used for recovery, including the use of bacteria and microalgae. Microalgae can indirectly support the growth of degrading bacteria and directly contribute to the removal of hydrocarbons. The advantages of using microalgae include their ability to remove toxic compounds, release oxygen, and their biomass can be used for biofuel production in a circular economy.
Article
Energy & Fuels
Soroush Ahmadi, Azizollah Khormali, Fridel Meerovich Khoutoriansky
Summary: This study investigates the effect of oil to kerosene ratio, space velocity, temperature, demulsifier dosage, and wash water ratio on the performance of demulsification of water-in-heavy crude oil emulsions. The results show that the oil to kerosene ratio has the greatest impact on water removal efficiency (WRE) and salt removal efficiency (SRE).
Article
Plant Sciences
Guojiao Wang, Faliang Zeng, Peng Song, Bei Sun, Qi Wang, Jiayu Wang
Summary: The study examined a rice mutant with low chlorophyll content and found that it had a smaller light-harvesting chlorophyll antenna, resulting in reduced non-photochemical quenching and generation of reactive oxygen species, and increased PSII efficiency. Analysis of chlorophyll a fluorescence transient showed improved excitation energy capture and electron transport efficiency of PSII in the mutant. These findings indicate that the mutant efficiently partitions light absorbed to photosynthesis, thus improving photosynthetic efficiency.
JOURNAL OF PLANT PHYSIOLOGY
(2022)
Article
Environmental Sciences
Emilia Baszanowska, Zbigniew Otremba, Jacek Piskozub
Summary: This paper analyses the radiance reflectance modelling of a sea area polluted with an oil emulsion at different depths, and determines 555 nm as the optimal wavelength for oil emulsion detection based on the simulations. The study discusses the contrast parameter in relation to various thicknesses of polluted water layers, noting changes in contrast for layers closer to the sea surface.
Article
Energy & Fuels
H. W. Yarranton
Summary: SARA assays are unreliable with variations above 5 wt % reported for assays performed in different laboratories. This study develops an approach to predict the saturate composition of crude oil based on more reliable data such as simulated distillation assay, asphaltene content, and oil density, offering a more standardized determination of the SARA composition.