Article
Chemistry, Multidisciplinary
Purnesh Chattopadhyay, Maria Camila Ariza-Tarazona, Erika Iveth Cedillo-Gonzalez, Cristina Siligardi, Juliane Simmchen
Summary: Microplastics pose a significant environmental threat, compounded by the lack of efficient removal techniques. Photocatalytic semiconducting nanoparticles show promise in degrading micropollutants, including microplastics. This study presents a novel approach by integrating self-propulsion, phoretic assembly, and photocatalytic oxidation into a single Pac-Man TiO2 micromotor, allowing for active collection and degradation of microplastics. The experiments focus on polystyrene microspheres as model microplastics, correlating degradation with catalytic activity and evaluating timescales for the involved processes.
Article
Engineering, Environmental
Palani Karthik, Siranjeevi Ravichandran, Velusamy Sasikala, Azhagurajan Mukkannan, Jegathalaprathaban Rajesh
Summary: In this study, CA/MnO2 nanocomposites were synthesized using a cost-effective magnetic stirring method. Various characterization techniques were used to evaluate the nanocomposites, and the photocatalytic degradation of rhodamine-B was employed to assess their performance. The results showed a significant decrease in rhodamine-B concentration under UV-visible light, indicating the potential of the CA/MnO2 nanocomposites as efficient visible-light-responsive photocatalysts for water treatment.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Article
Materials Science, Multidisciplinary
Wenxiang An, Xueqing Pei, Hongli Zhao, Tengfei Bi, Yuechun Fu, Xiaoming Shen, Huan He
Summary: O-doped porous g-C3N4 (OPCN) photocatalyst was successfully synthesized and showed enhanced photocatalytic degradation performance due to decreased bandgap, enlarged absorption range, increased specific surface area, and improved transfer and separation efficiencies of photogenerated electron-hole pairs.
DIAMOND AND RELATED MATERIALS
(2022)
Article
Materials Science, Ceramics
Xueyuan Wang, Lihong Bao, Jun Wang, Xiaojian Pan, TaNa Bao, Luo Meng Chao, Juming Liu, Zizhong Liu
Summary: In this study, a novel TaB2@TiO2 heterostructure was successfully constructed by a facile sol-gel method. The TaB2@TiO2 heterojunction exhibited suitable work function and B-O bonds at the interface, facilitating the migration of photogenerated carriers. The metallic nanocrystalline TaB2 also increased the specific surface area, leading to improved photocatalytic degradation performance compared to pristine TiO2 and commercial TiO2 (P25).
CERAMICS INTERNATIONAL
(2023)
Article
Green & Sustainable Science & Technology
S. Jain, N. Kumar, S. Sharma, D. Parmar, R. K. Sharma, M. Tahir, K. Kumari, G. Rani
Summary: In this study, binary and ternary nanostructures were prepared and characterized for their photocatalytic activity in the degradation of Rhodamine B. The results showed that Ag@Bi2O3/SnS2 nanocomposite exhibited the highest photocatalytic activity in acidic medium, with Ag (4 wt%)@Bi2O3/SnS2 (2 wt%) showing excellent performance.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Engineering, Electrical & Electronic
Wenjin Yue, Zhen Wang, Jintao Gong, Ziyao Wang, Yuhang Dong
Summary: This study reported the use of tetrapod CdS for the photodegradation of Rhodamine B, successfully synthesizing tetrapod CdS with a wurtzite structure under specific conditions. The photodegradation efficiency was found to be dependent on the morphologies of tetrapod CdS.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2021)
Article
Chemistry, Physical
Akmal Abbas, Keyan Li, Xinwen Guo, Aimin Wu, Chunshan Song, Hong Yang, Sanam Attique, Aqrab ul Ahmad, Faizan Ali
Summary: A facile polyvinylpyrrolidone (PVP) assisted solvothermal route using mixed solvents was reported to synthesize uniform quaternary chalcogenide Cu2FeSnS4 (CFTS) particles. The addition of PVP played a crucial role in tuning the shape and size of the resulted CFTS particles. Photodegradation experiments showed that CFTS particles had good degradation efficiency towards Rhodamine-B and can be reused in multiple cycles.
SURFACES AND INTERFACES
(2021)
Article
Chemistry, Physical
Anna Jakiminska, Milosz Pawlicki, Wojciech Macyk
Summary: Understanding the TiO2-assisted phototransformations observed for Rhodamine B derivatives is important for comprehensive knowledge of this dye's behavior. The photocatalytic transformations of Rhodamine B involve N-deethylation, forming Rhodamine-110 instead of chromophore degradation. This research studied the N-deethylation process in solution and solid state, and found that the choice of light wavelength is crucial for controlling the degradation pathway. The process does not require reactive oxygen species, but involves photoinduced electron transfer and radical transformations of the dye.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2022)
Article
Chemistry, Physical
Marouane El Alouani, Saliha Alehyen, Hamza El Hadki, Hamid Saufi, Alaaeddine Elhalil, Oum Keltoum Kabbaj, M'hamed Taibi
Summary: Modification of fly ash using alkaline activator medium was implemented to develop fly ash-based inorganic polymer composite as an adsorbent and catalyst. Characterization of the prepared material using various analysis methods revealed the high adsorption and photodegradation efficiency of the inorganic polymer composite for Rh-B dye. This study confirms the great potential of the inorganic polymer composite as an economical and efficient adsorbent and catalyst for removing Rh-B dye from aqueous solutions.
SURFACES AND INTERFACES
(2021)
Article
Engineering, Chemical
Hoang Ai Le Pham, Ammar Ali Abd, Thi Hong Anh Nguyen, Ngoc Bao Tran Le, Trinh Duy Nguyen, Van Cuong Nguyen, Mohd Roslee Othman
Summary: In this study, bismuth metal-organic frameworks (BiMOFs) catalysts were successfully synthesized and comprehensively characterized. The photocatalytic performance of six different BiMOFs catalysts was investigated, and a parametric analysis study was conducted to evaluate their performance under different conditions. The results showed that BiEt1 exhibited the highest photodegradation efficiency towards Rhodamine B (RhB) and achieved complete removal in the shortest time. The UV-vis absorption spectra during the degradation of RhB indicated that BiEt1 was an exceptional photocatalyst. These findings highlight the potential of BiMOFs catalysts for environmental remediation applications.
CHEMICAL ENGINEERING RESEARCH & DESIGN
(2023)
Article
Chemistry, Physical
Andrea Bartoletti, Angela Gondolini, Nicola Sangiorgi, Matteo Aramini, Matteo Ardit, Marzio Rancan, Lidia Armelao, Simon A. Kondrat, Alessandra Sanson
Summary: The surface area of CaCu3Ti4O12 increased significantly after ball milling, which also introduced more structural defects. The milled sample showed notably higher photocatalytic degradation efficiency than the as-synthesized sample for both rhodamine B and cetirizine hydrochloride, even after normalisation for surface area. The improved catalytic performance can be attributed to the structural defects observed.
CATALYSIS SCIENCE & TECHNOLOGY
(2023)
Article
Physics, Condensed Matter
Furqan Ahmad, Rafaqat Hussain, A. Shah, Shams ur Rahman
Summary: This study investigates the photocatalytic properties of SnO2-CuSe nanocomposites with varying amounts of CuSe. The results show that the sample with 32% CuSe content exhibits the best photocatalytic performance. The fabrication of the samples was confirmed to be successful without any impurities using XRD, Raman spectroscopy, and EDAX analysis.
PHYSICA B-CONDENSED MATTER
(2023)
Article
Engineering, Chemical
Jose C. Gonzalez-Crisostomo, Rigoberto Lopez-Juarez, Vitalii Petranovskii
Summary: Nanoparticles of five photocatalytic systems based on zinc oxide and rare earth ions were synthesized and investigated for dye removal. The addition of rare earth ions decreased the bandgap of ZnO, leading to improved photocatalytic properties. All synthesized nanoparticles showed high dye degradation efficiency, with Ce-ZnO sample having the highest efficiency at 97.72% degradation rate in 90 minutes.
Article
Chemistry, Applied
Sonia Mancipe, Jose J. Martinez, Cristian Pinzon, Hugo Rojas, Dora Solis, Ricardo Gomez
Summary: In this study, SnO2(5, 10, and 15 wt%)/MgAl-HT hydrotalcite-type materials were synthesized using the co-precipitation method, and their photocatalytic activity in the degradation of Rhodamine B under simulated sunlight was evaluated. The results showed that the SnO2(10%)/MgAl-HT catalyst exhibited the best degradation of Rhodamine B, reaching 75% degradation after 210 minutes under simulated solar light irradiation. The role of superoxide radicals in the degradation of Rhodamine B was confirmed in the photocatalytic process.
Article
Chemistry, Physical
M. Geetha, S. Renukadevi, D. Senthil Kumar, S. Ragupathy
Summary: This study investigates the use of Ag-doped TiO2-loaded groundnut shell activated carbon (Ag:TiO2/GNSAC) as a photocatalyst for the removal of rhodamine B dye solution. The photocatalytic activity of TiO2, the effects of Ag doping, and GNSAC loading were examined. The results showed that Ag:TiO2/GNSAC exhibited higher photocatalytic efficiency, making it a promising method for the treatment of pollutants in wastewater.
Article
Biochemical Research Methods
Laura Colombaioni, Beatrice Campanella, Riccardo Nieri, Massimo Onor, Edoardo Benedetti, Emilia Bramanti
Summary: Mitochondria, organelles of bacterial origin, are not only responsible for energy production but also generate reactive oxygen species. They play a key role in cell defense regulation, cell stress, and damage. This study investigated the effect of hyperglycemia on the metabolome of hippocampal neurons and found that neuronal metabolism was impaired and typical fermentative compounds were produced.
ANALYTICAL BIOCHEMISTRY
(2022)
Article
Food Science & Technology
Luisa Pozzo, Cristina Alcantara, Marta Selma-Royo, Izaskun Garcia-Mantrana, Emilia Bramanti, Vincenzo Longo, Maria Carmen Collado, Laura Pucci
Summary: This study evaluated the impact of the fermentation process on the chemical composition and SCCs levels of spelt from Garfagnana, as well as its effect on in vitro microbial growth and metabolism. The fermentation process altered the composition of spelt and modulated the intestinal microbiota, potentially promoting gut health in both normal weight and obese individuals.
JOURNAL OF FUNCTIONAL FOODS
(2022)
Article
Environmental Sciences
Beatrice Campanella, Tommaso Lomonaco, Edoardo Benedetti, Massimo Onor, Riccardo Nieri, Federica Marmorino, Chiara Cremolini, Emilia Bramanti
Summary: This study proposes a method for direct determination of DHU in saliva for non-invasive screening and disease monitoring. Analysis of samples confirms that DHU is not the main metabolite in saliva and can be easily monitored using common, low-cost instrumentation.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
(2022)
Article
Materials Science, Multidisciplinary
Emilia Bramanti, Lucio Bonaccorsi, Beatrice Campanella, Carlo Ferrari, Angela Malara, Angelo Freni
Summary: In this study, fibrous composites of TEOS/PVP were prepared using a sol-electrospinning process, and the correlation between their morphology, thermal stability, and spectroscopic features were analyzed. The results demonstrated that the addition of TEOS in the PVP/ethanol system enhanced the thermal stability of the microfibers.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Medicine, General & Internal
Edoardo Benedetti, Fabrizio Mavilia, Claudia Barate, Emilia Bramanti, Riccardo Morganti, Giulia Cervetti, Enrico Capochiani, Benedetto Bruno, Matteo Pelosini, Salvatore Massimo Stella, Sara Galimberti
Summary: This study suggests that ultrasound is a reliable, radiation-free tool for assessing superficial lymphnodes and splenic involvement in CLL patients.
JOURNAL OF CLINICAL MEDICINE
(2022)
Article
Thermodynamics
Stefano De Antonellis, Emilia Bramanti, Luigi Calabrese, Beatrice Campanella, Angelo Freni
Summary: This paper introduces a novel silica gel-based desiccant compound that can be used to prepare various products, with suitable adsorption capacity, good mechanical properties, and stability. The small-scale prototype testing shows that the desiccant material performs well under typical operating conditions of air dehumidification processes.
APPLIED THERMAL ENGINEERING
(2022)
Article
Food Science & Technology
Teresa Grande, Aymen Souid, Marco Ciardi, Clara Maria Della Croce, Stefania Frassinetti, Emilia Bramanti, Vincenzo Longo, Luisa Pozzo
Summary: This study investigated the phenolic compounds, antioxidant activities, antimicrobial activity, and effect on Lactobacillus brevis growth of eight whole flours obtained from four ancient and modern wheat genotypes of Italian Triticum genus. The results showed quantitative differences in antioxidant activities, total phenolic content, and concentrations of five phenolic acids among the wheat genotypes. Wheat extracts had significant inhibitory effects on pathogenic bacteria and promoted the growth of L. brevis. The phenolic profile and antioxidant activities were influenced by the genotypic characteristics of the studied varieties, with the ancient Saragolla wheat standing out for its interesting phenolic profile.
EUROPEAN FOOD RESEARCH AND TECHNOLOGY
(2023)
Article
Agricultural Engineering
Jose Gonzalez-Rivera, Beatrice Campanella, Elena Pulidori, Emilia Bramanti, Maria Rosaria Tine, Luca Bernazzani, Massimo Onor, Paolo Barberi, Celia Duce, Carlo Ferrari
Summary: Novel green extraction method (US-IMWAE) using simultaneous ultrasound and microwave irradiation allows for full exploitation of aromatic herbs while minimizing energy consumption and extraction cost. This method has successfully yielded essential oils with appealing composition profiles for cosmetic and medical industries, as well as valuable solid residues for alternative fuel production.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Chemistry, Physical
Elena Pulidori, Simone Micalizzi, Nikos Koutsomarkos, Emilia Bramanti, Maria Rosaria Tine, Giovanni Vozzi, Carmelo De Maria, Maria Chatzinikolaidou, Celia Duce
Summary: This study investigates the structure and correlations between structure, mechanical, and biological properties of gelatin-based materials. Gelatin electro-spun materials have higher content of ordered structure compared to gelatin casted films, which may be attributed to the random coil - alpha-helix transition during electrospinning. The presence of cross linker (GPTMS) decreases the ordered structures in gelatin casted films, while it does not affect the percentage of ordered structure in electrospun samples. The presence of keratin in gelatin/keratin electrospun biomaterials decreases alpha-helix content and promotes the conversion from antiparallel to parallel beta-sheet.
JOURNAL OF MOLECULAR STRUCTURE
(2023)
Article
Limnology
Giancarlo Bachi, Elisabetta Morelli, Margherita Gonnelli, Cecilia Balestra, Raffaella Casotti, Valtere Evangelista, Daniel J. Repeta, Chiara Santinelli
Summary: This study investigates the link between the biological lability and the molecular weight, fluorescence, and polarity of phytoplankton dissolved organic matter (DOM) by incubating exudates from the diatom Phaeodactylum tricornutum with a natural community of marine heterotrophic prokaryotes. The results show that freshly produced phytoplankton DOM exhibits a dynamic pattern of degradation that is likely related to changes in DOM quality. Protein-like DOM is likely a labile component of phytoplankton exudates, while humic-like substances are resistant to bacterial degradation.
LIMNOLOGY AND OCEANOGRAPHY
(2023)
Article
Multidisciplinary Sciences
Ophelie Ranquet, Celia Duce, Emilia Bramanti, Patrick Dietemann, Ilaria Bonaduce, Norbert Willenbacher
Summary: The authors use a combination of egg yolk and two pigments to investigate how different distribution of proteinaceous binder can control the flow behavior, drying kinetics, and chemistry of oil paints. This study demonstrates that adjusting the distribution of proteinaceous binder can enhance the stiffening effect and prevent undesired absorption of humidity, improving the brushability and preserving invaluable artworks.
NATURE COMMUNICATIONS
(2023)
Article
Environmental Sciences
Dario Omanovic, Sasa Marcinek, Chiara Santinelli
Summary: Fluorescence excitation-emission matrices (EEMs) are a useful tool for studying organic matter in water systems. However, the interpretation of EEMs requires appropriate software. TreatEEM is a non-commercial software that provides comprehensive treatment and analysis of EEMs with a user-friendly interface.
Article
Medicine, General & Internal
Edoardo Benedetti, Claudia Barate, Fabrizio Mavilia, Emilia Bramanti, Riccardo Morganti, Valentina Guerri, Giulia Cervetti, Enrico Capochiani, Ilaria Bertaggia, Salvatore Massimo Stella, Ginevra Traverso, Benedetto Bruno, Sara Galimberti
Summary: Fixed duration VenR treatment showed significant improvements in PFS and uMRD compared to bendamustine-rituximab in relapsed/refractory CLL patients. Ultrasonography and palpation were suggested as possible techniques to evaluate visceral and superficial lymph node involvement outside of clinical trials.
JOURNAL OF CLINICAL MEDICINE
(2023)
Article
Biochemistry & Molecular Biology
Beatrice Campanella, Stefano Legnaioli, Massimo Onor, Edoardo Benedetti, Emilia Bramanti
Summary: Saliva is a sample that can be easily collected and contains a wealth of biochemical information related to an individual's health status. The fast and straightforward analysis of saliva using vibrational spectroscopy provides a good basis for large-scale preclinical studies. This study explored the effects of saliva collection (spitting/swab) and processing (deproteinization procedures) and found that special care is needed when using swabs due to the significant interaction between the polymeric material and saliva components. Additionally, analyzing saliva before and after deproteinization by FTIR and Raman spectroscopy provides complementary biological information.
Article
Engineering, Marine
Elisabeth Navarro, Chiara Santinelli, Simona Retelletti Brogi, Gael Durrieu, Olivier Radakovitch, Cedric Garnier, Benjamin Misson
Summary: In the marine coastal environment, freshwater and seawater coalescing communities face complex abiotic and biotic influences. This study aimed to evaluate the respective influences of blending and prokaryotic dynamics on community structure. The results showed that salinity was the predominant constraint on community structure, and the distribution of most taxa reflected their blending.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2023)