To date, little research has addressed within-group variables as predictors of academic achievement among middle-class African American youth. The present study helped fill this gap by investigating the role of sex, self-perceptions, and school bonding as predictors of academic success among 174 middle class early adolescent boys (n = 91) and girls residing in a large Midwestern city. Results of a path analysis indicated that gender identity fully mediated the relationship between biological sex and adolescents' perceptions of peer acceptance. Perceptions of peer acceptance were positively related to perceptions of behavior, which, in turn, were related to school bonding. School bonding was then related to academic achievement. The findings are discussed within the context of helping educators to better meet students' educational needs.
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J Am Chem Soc
January 2025
Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310058, PR China.
Mechanoluminescent units, when integrated into polymer matrices, undergo structural transformations in response to mechanical force, resulting in changes in fluorescence. This phenomenon holds considerable promise for the development of stress-sensing materials. Despite the high demand for robust, tunable mechanoluminescent mechanophores for force assessment and smart force-responsive materials, strategies for their design and synthesis remain underdeveloped.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea. Electronic address:
The creation of polymer composites with better performance is a crucial thing. The cellulosic filler material gain popularity in polymer composites. In this study, aquatic plant Pistia stratiote leaves were used as a raw material for cellulose extraction.
View Article and Find Full Text PDFChemosphere
January 2025
Department of Life Science and Biochemical Engineering, Graduate School, SunMoon University, Asan, 31460, Republic of Korea; Genome-based Bio-IT Convergence Institute, Asan, 31460, Republic of Korea; Bio Big Data-based Chungnam Smart Clean Research Leader Training Program, SunMoon University, Asan, 31460, Republic of Korea; Department of Pharmaceutical Engineering and Biotechnology, SunMoon University, Asan, 31460, Republic of Korea. Electronic address:
Laccases are of particular interest in addressing environmental challenges, such as the degradation of triphenylmethane (TPM) dyes, including crystal violet (CV) and Coomassie Brilliant Blue (CBB), which are commonly used in SDS-PAGE for protein visualization. However, these dyes present significant environmental concerns due to their resistance to degradation, which makes their removal from industrial wastewater a major challenge. To address this, the current study investigates the potential of a novel CotA laccase derived from Bacillus sp.
View Article and Find Full Text PDFFood Chem
January 2025
Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei Province Key Laboratory of Biotechnology of Chinese Traditional Medicine, College of Health Science and Engineering, Hubei University, Wuhan 430062, China; School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; HuaShan Technology Company Limited, Qianjiang 433136, China. Electronic address:
Highly sensitive and portable pesticide residues detection are indispensable for safeguarding food safety and environmental health. Herein, we introduce a one-step vacuum filtration strategy for the scalable production of cobalt-based conjugated coordination polymers (CoCCPs) electrode arrays, utilizing carboxylated single-walled carbon nanotubes (c-SWNTs) as bonding bridges (CoCCPs@c-SWNTs). Due to their abundant active sites and high conductivity, the CoCCPs@c-SWNTs arrays exhibit superior electrochemical performance (e.
View Article and Find Full Text PDFLangmuir
January 2025
CAS Key Laboratory of Colloid, Interface, and Chemical Thermodynamics, Beijing National Laboratory for Molecular Sciences Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China.
Molds are persistent and harmful but receive far less research attention compared with pathogenic bacteria. With the increase in microbial resistance to single-chain surfactant antimicrobial agents, it is crucial to investigate how surfactant structures affect the antimicrobial activity of surfactants. Here, we have studied the antimold efficacy of a series of oligomeric cationic quaternary ammonium surfactants at varying oligomerization levels with or without dynamic covalent imine bonds.
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