Article
Engineering, Biomedical
Emilio Omar Bachtiar, Virginia Cary Ritter, Ken Gall
Summary: The recent growth of polymer 3D-printing in medical implants has led to the creation of complex porous structures, with annealing revealing a structure-property relationship in PLCL. Crystallization was found to be a crucial factor in mechanical properties, while scaffolds maintained integrity for up to 8 weeks before reaching critical molecular weight and losing mechanical properties.
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Krzysztof Moraczewski, Andrzej Trafarski, Tomasz Karasiewicz, Marcin Mazurkiewicz, Krzysztof Szabli, Piotr Augustyn, Piotr Rytlewski
Summary: The paper presents the effects of electroless copper plating on poly(lactide acid) elements obtained by 3D printing. A novel method of surface activation using tannin and polydopamine coatings was applied. The activation and metallization effects were assessed by multiple characterization techniques.
MATERIALS TODAY COMMUNICATIONS
(2023)
Article
Chemistry, Analytical
Xun Bao, Qiangling Zhang, Qu Liang, Qin Sun, Wei Xu, Yan Lu, Lei Xia, Yawei Liu, Xue Zou, Chaoqun Huang, Chengyin Shen, Yannan Chu
Summary: This article introduces a novel drift tube (FQ-IF) for PTR-MS that enhances sensitivity. The results show that the FQ-IF has significantly improved transmission efficiency compared to conventional drift tubes and ion funnel drift tubes. Furthermore, the distribution of product ions remains stable at higher voltages for the FQ-IF.
ANALYTICAL CHEMISTRY
(2022)
Article
Agriculture, Multidisciplinary
Onu Ekpa, Vincenzo Fogliano, Anita Linnemann
Summary: The study analyzed the volatile organic compounds of 22 maize varieties belonging to four nutritionally distinct groups using PTR-QiTOF-MS and HS-SPME GC-MS, and found that multivariate analysis is essential in studying the volatile aroma compounds of different maize varieties.
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
(2021)
Article
Polymer Science
Lidong Feng, Xinchao Bian, Gao Li, Xuesi Chen
Summary: By investigating the thermal properties, morphology, and thermal stability of PLLA/PDLA blends, a new stereoamorphous mesophase (sam-PLA) structure was discovered, and the relationship between different phases in the PLLA/PDLA blends was explored.
Article
Polymer Science
Hideto Tsuji, Kazumasa Iguchi, Yuki Arakawa
Summary: The research studied the effects of different molecular weights of crystalline blocks but similar overall molecular weights on the crystallization behavior, structure, morphology, and thermal properties of PLLA-b-PDLLA/PDLA-b-PDLLA blends. It was found that the incorporated long amorphous PDLLA blocks facilitated unique SC crystallization in the blends with different crystalline block fractions.
Article
Engineering, Environmental
Jordan E. Krechmer, Andrew T. Lambe, Tara I. Yacovitch, Francesca Y. Majluf, Conner Daube, W. Berk Knighton, Christoph Dyro, Edward C. Fortner, Joseph R. Roscioli, Scott C. Herndon, Douglas R. Worsnop, Manjula R. Canagaratna
Summary: Comprehensive measurement and analysis of volatile organic compounds (VOCs) and oxygenated VOCs emitted from wildfires are crucial for understanding and controlling ozone and secondary organic aerosol formation. This study used cutting-edge instruments to sample real-world fires and compared the results with controlled lab experiments, finding consistent emission ratios.
ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS
(2022)
Article
Environmental Sciences
Xi Zhou, Zhongqin Li, Tingjun Zhang, Feiteng Wang, Yan Tao, Xin Zhang
Summary: A field campaign was conducted in nine cities in northwestern China to investigate the chemical components, sources, and interactions of particulate matter (PM) and volatile organic compounds (VOCs). The study found that PM was mainly composed of organic matter and water-soluble inorganic ions, and identified two typical haze patterns. Regional sources were found to contribute significantly to PM pollution. The study also examined the concentrations of VOCs and their relationship with PM, and identified the precursors for secondary organic aerosols formation.
ENVIRONMENTAL POLLUTION
(2022)
Article
Meteorology & Atmospheric Sciences
Chenyang Bi, Jordan E. Krechmer, Manjula R. Canagaratna, Gabriel Isaacman-VanWertz
Summary: This study examines the bias in log-linear calibration relationships in the context of CIMS and proposes a parameter-explicit solution for completely removing the inherent bias. A simplified correction method is suggested for cases where comprehensive bias correction is not possible, showing an average elimination of bias but not for each individual compound.
ATMOSPHERIC MEASUREMENT TECHNIQUES
(2021)
Article
Polymer Science
Olha Masiuchok, Maksym Iurzhenko, Roman Kolisnyk, Yevgen Mamunya, Marcin Godzierz, Valeriy Demchenko, Dmytro Yermolenko, Andriy Shadrin
Summary: This study successfully created PLA/CB composites with segregated structure, which have high electrical and thermal properties and are suitable for Fused Deposition 3D Printing. The relationship between CB content and electrical conductivity was confirmed through computer simulation and experimental validation.
Article
Materials Science, Multidisciplinary
Vipin G. Krishnan, N. M. Praveena, R. B. Amal Raj, Kiran Mohan, E. Bhoje Gowd
Summary: In this study, a facile strategy was reported to enhance the thermal and mechanical properties of polylactide (PLA) aerogels through stereocomplexation. The crystalline pure stereocomplex (SC) aerogels showed improved melting temperature, thermal stability, mechanical strength, and sound absorption ability compared to homopolymer aerogels.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Polymer Science
Lidong Feng, Xinchao Bian, Gao Li, Xuesi Chen
Summary: The study shows that the compatibility between PLLA and PLDLA-m decreases as the L-lactate unit content in PLDLA-m decreases, impacting the crystallization and compatibility of the blends.
Article
Crystallography
Xingyuan Diao, Xiaonan Chen, Shihao Deng, Hongwei Bai
Summary: In this study, trace amounts of epoxy-functionalized small-molecule modifiers were introduced into enantiomeric blends during reactive melt-blending to enhance the formation of stereocomplex-type polylactide (SC-PLA). The results showed that the in situ generation of multi-arm stereo-block PLA copolymers significantly improved SC formation, even with only 0.5 wt% modifiers. The unique copolymers acted as compatibilizers, suppressing the separation of the alternately arranged PLLA/PDLA chain segments in the molten state. Furthermore, the generation of these copolymers did not significantly increase the melt viscosity of the blends, suggesting new opportunities for high-throughput processing of SC-PLA materials.
Article
Polymer Science
Yi-Long Ju, Xiang-Li Li, Xing-Yuan Diao, Hong-Wei Bai, Qin Zhang, Qiang Fu
Summary: This research demonstrates a feasible method to enhance the SC crystallizability of Stereocomplex-type polylactide (SC-PLA) by incorporating small amounts of atactic poly(D,L-lactide) (PDLLA) into PLLA/PDLA blends, improving chain mixing and melt stability while promoting SC crystallization. Increasing content and molecular weight of PDLLA lead to predominantly formed SC crystallites, with exclusive SC crystallization achieved in racemic blends with appropriate PDLLA content and molecular weight.
CHINESE JOURNAL OF POLYMER SCIENCE
(2021)
Article
Biochemistry & Molecular Biology
Wiriya Thongsomboon, Prasong Srihanam, Yodthong Baimark
Summary: In this study, talcum was used as a nucleating agent to improve the heat resistance of PLLA-PEG-PLLA block copolymer. Thermoplastic starch (TPS) was also used as a low-cost filler to reduce production cost. The resulting PLLA-PEG-PLLA/talcum/TPS composites showed higher crystallinity, flexibility, and heat resistance, as well as good dimensional stability and biodegradability.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Water Resources
Monika Smielowska, Mariusz Marc, Bozena Zabiegala
Summary: The study focused on child-dedicated chocolate products available on the Polish market, revealing the presence of harmful compounds that need to be taken seriously by consumers.
EXPOSURE AND HEALTH
(2022)
Article
Engineering, Multidisciplinary
Janusz Smulko, Tomasz Chludzinski, Tomasz Majchrzak, Andrzej Kwiatkowski, Sebastian Borys, Aylen Lisset Jaimes-Mogollon, Cristhian Manuel Duran-Acevedo, Omar Geovanny Perez-Ortiz, Radu Ionescu
Summary: This paper presents a procedure and set-up for an electronic nose system to detect patients suffering from dengue, a mosquito-borne tropical disease, by analyzing exhaled breath. Low-power resistive gas sensors were used to detect volatile organic compounds in the breath. The experimental studies showed that the system had a detection accuracy of over 90% for dengue patients.
Review
Chemistry, Analytical
Wojciech Wojnowski, Marek Tobiszewski, Francisco Pena-Pereira, Elefteria Psillakis
Summary: AGREEprep is a metric tool that prioritizes sample preparation, evaluating factors such as solvent, material, and reagent choices, waste generation, and energy consumption to calculate the final assessment score. The assessment procedure utilizes intuitive software to generate an easy-to-read information pictogram showing overall performance and threat structure.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2022)
Article
Biochemistry & Molecular Biology
Wojciech Wojnowski, Mariusz Marc, Kaja Kalinowska, Paulina Kosmela, Bozena Zabiegala
Summary: This study characterizes the emission of volatile organic compounds (VOCs) from four different polymer materials during fused filament fabrication (FFF) 3D printing. The emission rates of VOCs differ significantly between the different polymers.
Article
Food Science & Technology
Tomasz Majchrzak, Mariusz Marc, Andrzej Wasik
Summary: This study focuses on deep-frying different tubers in rapeseed oil at different frying temperatures to investigate the emitted volatile organic compounds (VOCs). Two approaches, targeted and omics-inspired, were proposed for the real-time monitoring of VOCs. The targeted approach using gas chromatography with a flame ionization detector revealed the dependence of pentanal and hexanal emissions on frying temperature. Meanwhile, the omics-inspired approach using solid-phase microextraction along with gas chromatography-mass spectrometry and molecular networking algorithm provided insights into the relationship between various emissions. Both approaches allowed for real-time monitoring of oil degradation products.
FOOD RESEARCH INTERNATIONAL
(2022)
Editorial Material
Crystallography
Wieslaw Wojnowski, Antoni Konitz, Wojciech Wojnowski
Summary: Hans von Wartenberg's contribution to the development of the Czochralski Method is often overlooked, despite being its earliest adopter and providing a detailed description that served as the basis for its dissemination.
JOURNAL OF CRYSTAL GROWTH
(2022)
Article
Chemistry, Medicinal
Y. Lan Pham, Wojciech Wojnowski, Jonathan Beauchamp
CHEMICAL RESEARCH IN TOXICOLOGY
(2023)
Article
Chemistry, Applied
Kaja Kalinowska, Marek Tobiszewski
Summary: A simple, green and equitable procedure for total biogenic amines (BAs) content determination was developed using a commercially available dye. The sample preparation and analysis were simplified, making it suitable for routine analyses in resource-scarce settings.
Article
Environmental Sciences
Maria Jose Santoyo Trevino, Marina Pereira-Coelho, Andrea Guadalupe Rodriguez Lopez, Sergio Zarazua, Luiz Augusto dos Santos Madureira, Tomasz Majchrzak, Justyna Plotka-Wasylka
Summary: This review provides key information on the effects of pesticides on fetal and child health, with a focus on the high vulnerability of children. Children are continuously exposed to pesticides and other pollutants through various routes, which can accumulate in their bodies and cause toxic effects. Effective identification of these compounds in children's tissues and biofluids can determine their impact on children's organism performance.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Computer Science, Interdisciplinary Applications
Joanna Badach, Wojciech Wojnowski, Jacek Gebicki
Summary: Urban planning and design solutions have an impact on urban ventilation conditions and can help mitigate atmospheric pollution. However, these solutions are not being widely implemented due to the lack of specific guidelines. Additionally, urban air quality monitoring sites often do not provide comprehensive data for effective air pollution control in relation to urban spatial policy. An integrated approach combining computational fluid dynamics and geographic information system tools were used to investigate the influence of micro-scale urban form on local ventilation conditions and pollution dispersion.
COMPUTERS ENVIRONMENT AND URBAN SYSTEMS
(2023)
Article
Multidisciplinary Sciences
Agata Krol, Adam Kokotkiewicz, Marcin Gorniak, Aleksandra M. Naczk, Bozena Zabiegala, Jakub Gebalski, Filip Graczyk, Daniel Zaluski, Adam Bucinski, Maria Luczkiewicz
Summary: Microshoot cultures of Salvia apiana were established and evaluated for essential oil production. Optimal medium composition for oil accumulation was determined. Different culture systems were compared and RITA bioreactor, Plantform (TIS), and SGB showed high biomass yields and essential oil content. The in vitro oil samples exhibited activity in acetylcholinesterase, hyaluronidase, and tyrosinase-inhibitory assays.
SCIENTIFIC REPORTS
(2023)
Article
Chemistry, Analytical
Kaja Kalinowska, Wojciech Wojnowski, Marek Tobiszewski
Summary: A simple, fast, and green smartphone-based procedure was developed for determining the total biogenic amines content in wine. The method was validated and found suitable for routine analyses even in resource-scarce settings. The use of commercially available S0378 dye and smartphone-based detection yielded satisfactory results, with an R-2 value of 0.9981 for putrescine equivalent determination. The method's greenness was assessed using the Analytical Greenness Calculator, and its applicability was demonstrated through analysis of Polish wine samples. The results were compared with those obtained through GC-MS to evaluate method equivalence.
ANALYTICAL METHODS
(2023)
Article
Biochemistry & Molecular Biology
Magdalena Fabjanowicz, Vasil Simeonov, Marcin Frankowski, Wojciech Wojnowski, Justyna Plotka-Wasylka
Summary: This study investigated the correlation between specific compounds in cool-climate country wines, analyzed their elemental composition, and used chemometric analysis. The results revealed specific correlations between different compounds in cool-climate wines.
Article
Environmental Sciences
Toshimi Nakajima, Mao Kuragano, Makoto Yamada, Ryo Sugimoto
Summary: This study compared the contribution of submarine groundwater discharge (SGD) to river nutrient budgets at nearshore and embayment scales, and found that SGD-derived nutrients become more important at larger spatial scales.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Fan Liu, Lei Zhang, Chongyang Zhang, Ziguang Chen, Jingguang Li
Summary: NO2 emissions from wall-mounted gas stoves used for household heating have become a significant source of indoor pollution in Chinese urban areas. The high indoor concentration of NO2 poses potential health risks to residents. It is urgently necessary to establish relevant regulations and implement emission reduction technologies to reduce NO2 emissions from wall-mounted gas stoves.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Letter
Environmental Sciences
Hans Peter H. Arp, Raoul Wolf, Sarah E. Hale, Sivani Baskaran, Juliane Gluege, Martin Scheringer, Xenia Trier, Ian T. Cousins, Harrie Timmer, Roberta Hofman-Caris, Anna Lennquist, Andre D. Bannink, Gerard J. Stroomberg, Rosa M. A. Sjerps, Rosa Montes, Rosario Rodil, Jose Benito Quintana, Daniel Zahn, Herve Gallard, Tobias Mohr, Ivo Schliebner, Michael Neumann
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Philomina Onyedikachi Peter, Binessi Edouard Ifon, Francois Nkinahamira, Kayode Hassan Lasisi, Jiangwei Li, Anyi Hu, Chang-Ping Yu
Summary: This study investigates the relationship between dissolved organic matter (DOM) and Rare Earth Elements (REEs) in sediments from Yundang Lagoon, China. The results show four distinct fluorescent components, with protein-like substances being the most prevalent. Additionally, the total fluorescence intensity and LREE concentrations exhibit a synchronized increase from Outer to Inner to Songbai Lake core sediments. The findings demonstrate a strong correlation between DOM content and pollution levels.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Surya Gupta, Pasquale Borrelli, Panos Panagos, Christine Alewell
Summary: The objective of this study is to incorporate soil hydraulic properties into the erodibility factor (K) of USLE-type models. By modifying and improving the existing equations for soil texture and permeability, the study successfully included information on saturated hydraulic conductivity (Ksat) into the calculation of K factor. Using the Random Forest machine learning algorithm, two independent K factor maps with different spatial resolutions were generated. The results show that the decrease in K factor values has a positive impact on the modeling of soil erosion rates.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jesmin Akter, Wendy J. M. Smith, Yawen Liu, Ilho Kim, Stuart L. Simpson, Phong Thai, Asja Korajkic, Warish Ahmed
Summary: The choice of workflow in wastewater surveillance has a significant impact on SARS-CoV-2 concentrations, while having minimal effects on HF183 and no effect on HAdV 40/41 concentrations. Certain components in the workflow can be interchangeable, but factors such as buffer type, chloroform, and homogenization speed can affect the recovery of viruses and bacteria.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yu Luo, Xueting Yang, Diwei Wang, Hongmei Xu, Hongai Zhang, Shasha Huang, Qiyuan Wang, Ningning Zhang, Junji Cao, Zhenxing Shen
Summary: Atmospheric PM2.5, which can generate reactive oxygen species (ROS), is associated with cardiorespiratory morbidity and mortality. The study found that both the mass concentration of PM2.5 and the DTT activity were higher during the heating season than during the nonheating season. Combustion sources were the primary contributors to DTT activity during the heating season, while secondary formation dominated during the nonheating season. The study also revealed that biomass burning had the highest inherent oxidation potential among all sources investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Erin L. Murphy, Leah R. Gerber, Chelsea M. Rochman, Beth Polidoro
Summary: Plastic pollution has devastating consequences for marine organisms. This study uses a trait-based framework to develop a vulnerability index for marine mammals, seabirds, and sea turtles in Hawai'i. The index ranks 63 study species based on their vulnerability to macroplastic pollution, providing valuable information for species monitoring and management priorities.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Kenji Maurice, Amelia Bourceret, Sami Youssef, Stephane Boivin, Liam Laurent-Webb, Coraline Damasio, Hassan Boukcim, Marc-Andre Selosse, Marc Ducousso
Summary: Growing pressure from climate change and agricultural land use is destabilizing soil microbial community interactions. Little is known about microbial community resistance and adaptation to disturbances, hindering our understanding of recovery latency and implications for ecosystem functioning. This study found that anthropic disturbance and natural disturbance have different effects on the topology and stability of soil microbial networks.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Yunhao Li, Yali Feng, Haoran Li, Yisong Yao, Chenglong Xu, Jinrong Ju, Ruiyu Ma, Haoyu Wang, Shiwei Jiang
Summary: Deep-sea mining poses a serious threat to marine ecosystems and human health by disturbing sediment and transmitting metal ions through the food chain. This study developed a new regenerative adsorption material, OMN@SA, which effectively removes metal ions. The adsorption mechanism and performance of the material for metal ion fixation were investigated.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Antonio Medici, Margherita Lavorgna, Marina Isidori, Chiara Russo, Elena Orlo, Giovanni Luongo, Giovanni Di Fabio, Armando Zarrelli
Summary: Valsartan, a widely used antihypertensive drug, has been detected in high concentrations in surface waters due to its unchanged excretion and incomplete degradation in wastewater treatment plants. This study investigated the degradation of valsartan and identified 14 degradation byproducts. The acute and chronic toxicity of these byproducts were evaluated in key organisms in the freshwater trophic chain.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Jiang Lin, Lianbao Chi, Qing Yuan, Busu Li, Mingbao Feng
Summary: This study investigated the photodegradation behavior and product formation of two representative pharmaceuticals in simulated estuary water. The study found that the formed transformation products of these pharmaceuticals have potential toxicity on marine organisms, including oxidative stress and damage to cellular components.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Hua Fang, Dongdong Jiang, Ye He, Siyi Wu, Yuehong Li, Ziqi Zhang, Haoting Chen, Zixin Zheng, Yan Sun, Wenxiang Wang
Summary: This study revealed that exposure to lower levels of air pollutants led to decreased pregnancy rates, with PM10, NO2, SO2, and CO emerging as the four most prominent pollutants. Individuals aged 35 and above exhibited heightened susceptibility to pollutants.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Ali Shaan Manzoor Ghumman, Rashid Shamsuddin, Amin Abbasi, Mohaira Ahmad, Yoshiaki Yoshida, Abdul Sami, Hamad Almohamadi
Summary: In this study, inverse vulcanized polysulfides (IVP) were synthesized by reacting molten sulfur with 4-vinyl benzyl chloride, and then functionalized using N-methyl D-glucamine (NMDG). The functionalized IVP showed a high mercury adsorption capacity and a machine learning model was developed to predict the amount of mercury removed. Furthermore, the functionalized IVP can be regenerated and reused, providing a sustainable and cost-effective adsorbent.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
Article
Environmental Sciences
Rita Bonfiglio, Renata Sisto, Stefano Casciardi, Valeria Palumbo, Maria Paola Scioli, Erica Giacobbi, Francesca Servadei, Gerry Melino, Alessandro Mauriello, Manuel Scimeca
Summary: This study investigated the presence of aluminum in human colon cancer samples and its potential association with biological processes involved in cancer progression. Aluminum was found in tumor areas of 24% of patients and was associated with epithelial to mesenchymal transition (EMT) and cell death. Additional analyses revealed higher tumor mutational burden and mutations in genes related to EMT and apoptosis in aluminum-positive colon cancers. Understanding the molecular mechanisms of aluminum toxicity may improve strategies for the management of colon cancer patients.
SCIENCE OF THE TOTAL ENVIRONMENT
(2024)
