Article
Medicine, Legal
Lisa M. Sweeney
Summary: The Department of Defense commissioned the National Research Council to assess the health effects of DOD personnel exposed to lead at firing ranges. The report concluded that current exposure limits and blood lead levels were not adequately protective. The relationship between airborne lead levels and blood lead levels is of interest to the DOD for future exposure limit selection.
REGULATORY TOXICOLOGY AND PHARMACOLOGY
(2021)
Article
Engineering, Environmental
Xiaoqing Dong, Bin Ye, Huiqiang Xiang, Meng Yao
Summary: Heavy metal pollution is a significant public health hazard during industrialization, with various toxicological manifestations. Conventional remediation methods for heavy metal pollution control are limited due to cost and toxic by-products. In this study, autoclaved Saccharomyces cerevisiae was used as a biosorbent for the removal of Cd2+ and Pb2+ from aqueous solutions. The results showed that S. cerevisiae had stronger competitive adsorption ability for Pb2+ compared to Cd2+. The adsorption of metal ions on S. cerevisiae followed a pseudo-second-order kinetic model and Langmuir isotherms model. Autoclaved S. cerevisiae is a rapid and favorable biosorbent for Pb2+ and Cd2+.
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
(2023)
Article
Nutrition & Dietetics
Joungbo Ko, Choongsung Yoo, Dante Xing, Drew E. Gonzalez, Victoria Jenkins, Broderick Dickerson, Megan Leonard, Kay Nottingham, Jacob Kendra, Ryan Sowinski, Christopher J. Rasmussen, Richard B. Kreider
Summary: Recent research shows that encapsulating vitamins and minerals with liposomes can improve their bioavailability. This study aimed to compare the effects of liposomal and non-liposomal multivitamin and mineral supplements on the appearance and clearance of nutrients in the blood. The results suggest that coating a multivitamin supplement with liposomes affects the pharmacokinetic profiles of individual nutrients.
Article
Biochemistry & Molecular Biology
Masood Sadiq Butt, Iahtisham-Ul-Haq, Komal Javed, Urwa Tariq
Summary: This study found that combined supplementation of zinc and calcium can reduce the concentration of lead in the blood and organs, and have a better protective effect on the liver and kidney.
BIOLOGICAL TRACE ELEMENT RESEARCH
(2023)
Article
Chemistry, Physical
Miroslaw Maczka, Maciej Ptak, Anna Gagor, Jan K. Zareba, Xia Liang, Sergejus Balciunas, Oleksandr A. Semenikhin, Olesia I. Kucheriv, Il'ya A. Gural'skiy, Sergiu Shova, Aron Walsh, Juras Banys, Mantas Simenas
Summary: Hybrid organic-inorganic lead halide perovskites, such as the novel 3D AZRPbX(3) perovskites (AZR = aziridinium; X = Cl, Br, I), show promising potential for next-generation solar cells and other optoelectronic devices. This study combines experimental and theoretical approaches to investigate the phase diagrams, molecular dynamics, and structural phase transitions in these materials, providing insights into their properties and potential applications.
CHEMISTRY OF MATERIALS
(2023)
Article
Multidisciplinary Sciences
Caleb Anderson, Alberto Fernandez-Nieves
Summary: This study shows that the social interactions between fire ants can result in spatially varying density, due to the slowing down of ants when they approach each other. This phenomenon can be understood within the framework of motility-induced phase separation, providing a unifying framework for understanding the behavior of a wide variety of active matter systems.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Shilin Jiang, Jianhui Lan, Lin Wang, Yalan Liu, Yuke Zhong, Yichuan Liu, Liyong L. -Y. Yuan, Lirong Zheng, Zhifang Chai, Weiqun Shi
Summary: The research explores the competitive coordination of chloride and fluoride anions towards lanthanide cations in molten salts, showing that the addition of fluoride ions significantly shifts the reduction potential of Ln(3+). The study also reveals the formation of predominant [LnCl(x)F(y)](3-x-y) complexes in molten salts and the weaker Ln-F interaction compared to transition metal and F- ions.
CHEMISTRY-A EUROPEAN JOURNAL
(2021)
Article
Chemistry, Physical
Wenfei Liang, Yulu Li, Dongmei Xiang, Yaoyao Han, Qike Jiang, Wei Zhang, Kaifeng Wu
Summary: The spin properties of lead-free CsSnBr3 perovskite nanocrystals were studied, revealing that despite weaker spin-orbit coupling compared to lead halide perovskites, efficient optical orientation is still possible and a longer spin lifetime was observed. These findings demonstrate the strong potential of non-toxic tin halide perovskites for spin-related applications.
ACS ENERGY LETTERS
(2021)
Article
Computer Science, Information Systems
Guang He, Haoyue Ruan, Yanlei Wu, Jing Liu
Summary: This paper investigates a discrete-time opinion dynamics model with competitive relationship and switching topologies in social networks. It explores the impact of structurally balanced and unbalanced network topologies on opinion diffusion, and identifies conditions for opinion polarization or neutrality. Two examples are provided to illustrate the effectiveness of the obtained results.
Article
Immunology
Fleur M. Keij, Stef Schouwenburg, Rene F. Kornelisse, Tim Preijers, Fatima Mir, Pieter Degraeuwe, Leo M. Stolk, Arianne van Driel, Sandra Kenter, Jacqueline van der Sluijs, Jojanneke Heidema, Paul C. P. den Butter, Irwin K. M. Reiss, Karel Allegaert, Gerdien A. Tramper-Stranders, Birgit C. P. Koch, Robert B. Flint
Summary: This study describes the metabolism of oral and intravenous amoxicillin in neonates and provides dosage recommendations for different age groups. Oral amoxicillin therapy is an effective, cost-effective, and convenient alternative treatment for neonates.
CLINICAL INFECTIOUS DISEASES
(2023)
Article
Multidisciplinary Sciences
S. William Li, Omer Zeliger, Leah Strahs, Raymundo Baez-Mendoza, Lance M. Johnson, Aidan McDonald Wojciechowski, Ziv M. Williams
Summary: Competitive interactions play a vital role in the ecology of animal species and strongly influence group behavior. Researchers have discovered neurons in the anterior cingulate that adaptively represent the social rank of animals and influence their decision-making. These neurons can track other individuals within a group and accurately predict future success. The application of neuromodulation techniques also reveals that these neurons conditionally influence competitive effort.
Article
Environmental Studies
Godfrey Yeung
Summary: This paper proposes an analytical framework to examine how disruptive effects of industrial megatrends alter the competitive dynamics between lead firms and their tier-I suppliers. The boundaries of global production networks become more permeable when facing external shocks, leading to the reconstitution of the network. In the automotive industry, systems suppliers specializing in micro-electronics are in a prime position to capture value and are more resilient to emerging megatrends.
ENVIRONMENT AND PLANNING A-ECONOMY AND SPACE
(2023)
Article
Multidisciplinary Sciences
Go Yumoto, Hideki Hirori, Fumiya Sekiguchi, Ryota Sato, Masaki Saruyama, Toshiharu Teranishi, Yoshihiko Kanemitsu
Summary: By utilizing the multiband structure induced by strong spin-orbit coupling in lead halide perovskites, researchers have demonstrated an anomalous enhancement of exciton energy shift at room temperature. This enhancement at room temperature allows for efficient coherent optical manipulation of excitons utilizing energy states with large spin-orbit splitting, potentially opening up new possibilities for quantum state engineering and ultrafast optical modulation.
NATURE COMMUNICATIONS
(2021)
Article
Pharmacology & Pharmacy
Zhe Li, Xiaoying Yu, Yingyi Li, Ashwni Verma, Hsuan Ping Chang, Dhaval K. Shah
Summary: Developing a double-pore PBPK model that can characterize the subcutaneous absorption processes of protein therapeutics in mice, this study found significant correlations between key pharmacokinetic descriptors and protein size. The model provides a platform for the development of protein therapeutics of different sizes and potential translational studies in humans.
Article
Mathematics
Xu Pan, Chunlai Mu, Weirun Tao
Summary: This work investigates a two-species chemotaxis system with a Lotka-Volterra competitive kinetic functional response term in a bounded domain. The study proves the existence of global bounded solutions to the system in high dimensions, without the need for convexity of the domain. The research also analyzes the asymptotic behavior of solutions under strong competition, which has not been well-studied before. Additionally, numerical simulations demonstrate various possible patterning regimes for both semi-trivial and coexistence steady states.
JOURNAL OF DIFFERENTIAL EQUATIONS
(2023)
Article
Mathematics, Applied
Erika T. Camacho, Anca Radulescu, Stephen Wirkus
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
(2016)
Article
Engineering, Mechanical
Anca Radulescu, Ariel Pignatelli
NONLINEAR DYNAMICS
(2017)
Article
Engineering, Mechanical
Anca Radulescu, Ariel Pignatelli
NONLINEAR DYNAMICS
(2016)
Article
Biology
Anca Radulescu, Rachel Marra
JOURNAL OF THEORETICAL BIOLOGY
(2017)
Article
Clinical Neurology
Anca R. Radulescu, Emily R. Hannon
Article
Multidisciplinary Sciences
Anca Radulescu, Joanna Herron, Caitlin Kennedy, Annalisa Scimemi
SCIENTIFIC REPORTS
(2017)
Article
Mathematics, Applied
Erika T. Camacho, Anca Radulescu, Stephen Wirkus, Pamela A. Marshall
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
(2019)
Article
Multidisciplinary Sciences
Anca Radulescu
Article
Multidisciplinary Sciences
Anca Radulescu, Cassandra Williams, Kieran Cavanagh
SCIENTIFIC REPORTS
(2020)
Article
Mathematics, Applied
Anca Radulescu, Kelsey Butera, Brandee Williams
Summary: This paper investigates iterations of two quadratic maps in non-autonomous discrete systems, defining the Mandelbrot set based on a prescribed binary sequence. The study focuses on the asymptotic behavior of critical orbits and examines different understandings of the concept in relation to parameter space and the generation of bounded critical orbits through templates. The research explores basic topological properties of these sets and their potential applications.
JOURNAL OF NONLINEAR SCIENCE
(2021)
Article
Multidisciplinary Sciences
Anca Radulescu, Shelah Ballard, Kaitlyn Gonzalez, Johnathan Linton
Summary: Behavioral epidemiology studies the relationship between epidemic outbreaks and social responses. A study on COVID-19 in New York found that social responses may affect epidemic timelines at the county level and that PAUSE measures were crucial in controlling the first wave of the epidemic in the state.
Article
Biochemical Research Methods
Anca R. Radulescu, Gabrielle C. Todd, Cassandra L. Williams, Benjamin A. Bennink, Alex A. Lemus, Haley E. Chesbro, Justin R. Bourgeois, Ashley M. Kopec, Damian G. Zuloaga, Annalisa Scimemi
Summary: Glutamate transporters play a crucial role in maintaining the spatial specificity of synaptic transmission by limiting glutamate diffusion and preventing excitotoxicity. This study conducted quantitative dot blot analysis to determine the surface density of astrocytic glutamate transporters in mice of different ages. The findings indicate that the density of glial glutamate transporters is similar in 7-8 week old mice and rats, but increases until about 6 months of age in mice and then slowly declines. Moreover, the study reveals heterogeneity in the expression of glutamate transporters across different sub-cellular compartments, suggesting that the extent of astrocyte-mediated limitation of extrasynaptic glutamate diffusion depends on both synaptic coverage and the specific astrocyte compartment in contact with the synapse.
PLOS COMPUTATIONAL BIOLOGY
(2022)
Editorial Material
Mathematics
Eva Kaslik, Mihaela Neamtu, Anca Radulescu
Article
Mathematics, Interdisciplinary Applications
Anca Radulescu, Simone Evans
JOURNAL OF COMPLEX NETWORKS
(2019)