bluuebunny/crossref_metadata_2025_split huggingface dataset:
A universal strategy for efficient synthesis of Zr‐based MOF nanoparticles for enhanced water adsorption
Authors: Guo Yanling , Wei Yan , Chang Miao , Wang Dan , Wang Jie‐Xin , Chen Jian‐Feng 
Published: July 2023

AbstractZr‐based metal‐organic framework (Zr‐MOF) nanoparticles (NPs) have attracted extensive research thanks to their outstanding thermal and chemical stability, but their efficient synthesis is still challenging. Here, high‐quality Zr‐MOF NPs with tunable and uniform particle sizes can be successfully fabricated within 30 min by high‐gravity technology with high yields. Significantly, the rapidly milder preparation of UiO‐66 NPs can also be achieved at 90 or 70°C. This strategy has been extended to the synthesis of other Zr‐MOF NPs. Furthermore, the water vapor adsorption properties of obtained UiO‐66 NPs display a size‐dependent effect. The 70 nm UiO‐66 NPs have the highest adsorption capacity of 625 mg g−1 among unmodified UiO‐66 reported so far, and manifest 2.0–2.8 times faster water adsorption rate than the micron ones. This study provides a feasible method for the efficient and mild preparation of MOFs nanoparticles, which may promote the synthesis and applications of nano‐sized MOFs.
Reciprocity and beyond: Explaining meat transfers in savanna‐dwelling chimpanzees at Fongoli, Senegal
Authors: Achorn Angela , Lindshield Stacy , Ndiaye Papa Ibnou , Winking Jeffrey , Pruetz Jill D. 
Published: July 2023

AbstractObjectivesTo understand the function of food sharing among our early hominin ancestors, we can turn to our nonhuman primate relatives for insight. Here, we examined the function of meat sharing by Fongoli chimpanzees, a community of western chimpanzees (Pan troglodytes verus) in southeastern Sénégal.Materials and MethodsWe tested three non‐mutually exclusive hypotheses that have been used to explain patterns of food sharing: kin selection, generalized reciprocity, and meat‐for‐mating opportunities. We analyzed meat sharing events (n = 484) resulting from hunts, along with data on copulations, age‐sex class, and kinship to determine which variables predict the likelihood of meat sharing during this study period (2006–2019).ResultsWe found full or partial support for kin selection, direct reciprocity, and meat‐for‐mating‐opportunities. However, the analyses reveal that reciprocity and a mother/offspring relationship were the strongest predictors of whether or not an individual shared meat.ConclusionsThe results of this study emphasize the complexity of chimpanzee meat sharing behaviors, especially at a site where social tolerance offers increased opportunities for meat sharing by individuals other than dominant males. These findings can be placed in a referential model to inform hypotheses about the sensitivity of food sharing to environmental pressures, such as resource scarcity in savanna landscapes.
Relaxing Wrinkles in Jammed Interfacial Assemblies
Authors: Xie Ganhua , Zhu Shipei , Kim Paul Y. , Jiang Shubao , Yi Qinpiao , Li Pei , Chu Zonglin , Helms Brett A. , Russell Thomas P. 
Published: July 2023

AbstractDynamic covalent bonding has emerged as a mean by which stresses in a network can be relaxed. Here, the strength of the bonding of ligands to nanoparticles at the interface between two immiscible liquids affect the same results in jammed assemblies of nanoparticle surfactants. Beyond a critical degree of overcrowding induced by the compression of jammed interfacial assemblies, the bonding of ligands to nanoparticles (NPs) can be broken, resulting in a desorption of the NPs from the interface. This reduces the areal density of nanoparticle surfactants at the interface, allowing the assemblies to relax, not to a fluid state but rather another jammed state. The relaxation of the wrinkles caused by the compression reflects the tendency of these assemblies to eliminate areas of high curvature, favoring a more planar geometry. This enabled the generation of giant vesicular and multivesicular structures from these assemblies.
Construction of Covalent Organic Cages with Aggregation‐Induced Emission Characteristics from Metallacages for Mimicking Light‐Harvesting Antenna
Authors: Qin Yi , Ling Qing‐Hui , Wang Yu‐Te , Hu Yi‐Xiong , Hu Lianrui , Zhao Xiaoli , Wang Dong , Yang Hai‐Bo , Xu Lin , Tang Ben Zhong 
Published: July 2023

AbstractA series of covalent organic cages built from fluorophores capable of aggregation‐induced emission (AIE) were elegantly prepared through the reduction of preorganized M2(LA)3(LB)2‐type metallacages, simultaneously taking advantage of the synthetic accessibility and well‐defined shapes and sizes of metallacages, the good chemical stability of the covalent cages as well as the bright emission of AIE fluorophores. Moreover, the covalent cages could be further post‐synthetically modified into an amide‐functionalized cage with a higher quantum yield. Furthermore, these presented covalent cages proved to be good energy donors and were used to construct light‐harvesting systems employing Nile Red as an energy acceptor. These light‐harvesting systems displayed efficient energy transfer and relatively high antenna effect, which enabled their use as efficient photocatalysts for a dehalogenation reaction. This research provides a new avenue for the development of luminescent covalent cages for light‐harvesting and photocatalysis.
Epoxy‐rich Fe Single Atom Sites Boost Oxygen Reduction Electrocatalysis
Authors: Zhao Yufei , Shen Ziyan , Huo Juanjuan , Cao Xianjun , Ou Pengfei , Qu Junpeng , Nie Xinming , Zhang Jinqiang , Wu Minghong , Wang Guoxiu , Liu Hao 
Published: July 2023

AbstractElectrocatalysts for highly efficient oxygen reduction reaction (ORR) are crucial for energy conversion and storage devices. Single‐atom catalysts with maximized metal utilization and altered electronic structure are the most promising alternatives to replace current benchmark precious metals. However, the atomic level understanding of the functional role for each species at the anchoring sites is still unclear and poorly elucidated. Herein, we report Fe single atom catalysts with the sulfur and oxygen functional groups near the atomically dispersed metal centers (Fe1/NSOC) for highly efficient ORR. The Fe1/NSOC delivers a half‐wave potential of 0.92 V vs. RHE, which is much better than those of commercial Pt/C (0.88 V), Fe single atoms on N‐doped carbon (Fe1/NC, 0.89 V) and most reported nonprecious metal catalysts. The spectroscopic measurements reveal that the presence of sulfur group induces the formation of epoxy groups near the FeN4S2 centers, which not only modulate the electronic structure of Fe single atoms but also participate the catalytic process to improve the kinetics. The density functional theory calculations demonstrate the existence of sulfur and epoxy group engineer the charges of Fe reactive center and facilitate the reductive release of OH* (rate‐limiting step), thus boosting the overall oxygen reduction efficiency.
Dinor[7]helicene and Beyond: Divergent Synthesis of Chiral Diradicaloids with Variable Open‐Shell Character
Authors: Borissov Arseni , Chmielewski Piotr J. , Gómez García Carlos J. , Lis Tadeusz , Stępień Marcin 
Published: July 2023

AbstractDiradicaloid helicenes constructed formally by non‐benzenoid double π‐extension of phenanthrene were synthesized by a common strategy involving double electrophilic benzannulation. Steric effects in the second benzannulation step led to considerable structural diversity among the products, yielding a symmetrical dinor[7]helicene 1 and two isomeric unsymmetrical double helicenes 2 and 3, containing a nor[5]helicene and [4]helicene fragment, respectively, in addition to a common nor[6]helicene motif. Geometries, configurational dynamics, and electronic structure of these helicenes were analyzed using solid‐state structures, spectroscopic methods, and computational analyses. The open‐shell character of the singlet states of these helicenes increases in the order 3<1<2, with strongly varying diradicaloid indexes and singlet–triplet gaps. Compounds 1–3 displayed narrow optical gaps of 0.79–1.25 eV, resulting in significant absorption in the near infrared (NIR) region. They also exhibit reversible redox chemistry, each of them yielding stable radical cations, radical anions, and dianions, in some cases possessing intense NIR absorptions extending beyond 2500 nm.
Insight into the Key Restriction of BiVO4 Photoanodes Prepared by Pyrolysis Method for Scalable Preparation
Authors: Yang Nengcong , Zhang Sainan , Xiao Yejun , Qi Yu , Bao Yunfeng , Xu Peng , Jin Shengye , Zhang Fuxiang 
Published: July 2023

AbstractBismuth Vanadate (BiVO4) photoanode has been popularly investigated for promising solar water oxidation, but its intrinsic performance has been greatly retarded by the direct pyrolysis method. Here we insight the key restriction of BiVO4 prepared by metal–organic decomposition (MOD) method. It is found that the evaporation of vanadium during the pyrolysis tends to cause a substantial phase impurity, and the unexpected few tetragonal phase inhibits the charge separation evidently. Consequently, suitably excessive vanadium precursor was adopted to eliminate the phase impurity, based on which the obtained intrinsic BiVO4 photoanode could exhibit photocurrent density of 4.2 mA cm−2 at 1.23 VRHE under AM 1.5 G irradiation, as comparable to the one fabricated by the currently popular two‐step electrodeposition method. Furthermore, the excellent performance can be maintained on the enlarged photoanode (25 cm2), demonstrating the advantage of MOD method in scalable preparation. Our work provides new insight and highlights the glorious future of MOD method for the design of scale‐up efficient BiVO4 photoanode.
Interdisciplinary science and fishers’ local ecological knowledge of sawfishes in the Yucatán Peninsula
Authors: Rubio‐Cisneros Nadia T. , Martínez‐Candelas Ilse A. , Ordaz‐García Diana , Pérez‐Jiménez Juan C. , Jiménez‐Cano Nayeli G. , Glover Jeffrey B. , Montes‐Ganzon Brianna K. , Ruiz‐Ayma Gabriel , González‐Rojas José I. 
Published: July 2023

Abstract

Our knowledge of sawfishes remains scant for Latin America. Pristis pristis (largetooth sawfish) and Pristis pectinata (smalltooth sawfish) are critically endangered. In the Yucatán Peninsula (YP), P. pristis and P. pectinata inhabit coastal landscapes.
A total of 290 surveys of fishers’ local ecological knowledge (LEK), including a geospatial component, were collected; 74 literature sources and available archaeological data for the region were reviewed.
Interdisciplinary results show the following: the common past presence of sawfishes, their cultural significance for coastal societies, and the contemporary absence of sawfishes in coastal areas where they existed historically; sightings of juveniles were only documented by elder fishers, and only two recent narratives mention sawfishes caught incidentally 5 years ago.
Geospatial results provide evidence for 52 geographic sites where sawfishes were common in the YP.
Results support the development of research methodologies to study human–nature interactions integrating LEK. This matters in the YP, where sociocultural values and landscapes have changed rapidly through increasing tourism development and human overcrowding.
The results can help conservation managers understand the past presence and contemporary loss of sawfishes, and their habitat, and contribute to understanding the defaunation of megafauna in the YP through time. This is critical for tourism and fishery ecosystem services on which communities of the YP rely for their economies.
CRISPR/Cas9‐mediated mutagenesis of Sex lethal (Sxl) gene impacts fertility of the Fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae)
Authors: Chikmagalur Nagaraja Bhargava , Karuppannasamy Ashok , Ramasamy Asokan , Cholenahalli Narayanappa Anu , Chalapathi Pradeep , Maligeppagol Manamohan 
Published: July 2023

AbstractIdentification of novel approaches for managing the global pest, the Fall armyworm, Spodoptera frugiperda, is the need of the hour, as it defies many management strategies including synthetic chemicals, Bt transgenics, and so on. Recently CRISPR/Cas9‐based genome editing opened up newer avenues to design novel pest management strategies such as precision‐guided sterile insect technique (pgSIT). In this regard, genes governing sex determination, egg reproduction, and spermatogenesis could be the prime targets for genome editing. This requires validation of the target genes, preferably by a nontransgenic DNA‐free editing, before the final application. One such important gene regulating sex determination in Drosophila is the Sex lethal (Sxl). However, the function of Sxl is not highly conserved in other insects and, in particular, we are beginning to comprehend its role in Lepidoptera with only one reference available in Spodoptera litura till date. In the present study, we have edited the sxl gene of S. frugiperda through the delivery of ribonucleoprotein complex (sgRNA + Cas9) at G0 stage embryo, targeting the conserved region of all the documented five splice variants. Results clearly showed that editing of sxl gene impacted the overall fecundity and hatching rate. Therefore, Sxl could be one of the target genes for developing pgSIT approach for the management of S. frugiperda.
Inefficient uptake of small interfering RNAs is responsible for their inability to trigger RNA interference in Colorado potato beetle cells
Authors: Koo Jinmo , Gurusamy Dhandapani , Palli Subba Reddy 
Published: July 2023

AbstractThere has been limited success in the usage of exogenous small interference RNA (siRNA) or small hairpin RNA (shRNA) to trigger RNA interference (RNAi) in insects. Instead, long double‐stranded RNAs (dsRNA) are used to induce knockdown of target genes in insects. Here, we compared the potency of si/sh RNAs and dsRNA in Colorado potato beetle (CPB) cells. CPB cells showed highly efficient RNAi response to dsRNA. However, si/sh RNAs were inefficient in triggering RNAi in CPB cells. Confocal microscopy observations of Cy3 labeled‐si/sh RNA cellular uptake revealed reduced si/sh RNA uptake compared to dsRNA. si/sh RNAs were stable in the conditioned media of CPB cells. Although in a small amount, when internalized by CPB cells, the si/sh RNAs were processed by the Dicer enzyme. Lipid‐mediated transfection and chimeric dsRNA approaches were used to improve the delivery of si/sh RNAs. Our results suggest that the uptake of si/sh RNAs is inefficient in CPB cells, resulting in ineffective RNAi response. However, with the help of effective delivery methods, si/sh RNA could be a useful option for developing target‐specific RNAi‐mediated biopesticides.
Development of 1‐(2‐aminophenyl)pyrrole‐based amides acting as human topoisomerase I inhibitors
Authors: Carullo Gabriele , Mazzotta Sarah , Ceramella Jessica , Iacopetta Domenico , Ramunno Anna , Rosano Camillo , Brizzi Antonella , Campiani Giuseppe , Aiello Francesca , Sinicropi Maria S. 
Published: July 2023

AbstractTopoisomerases are ubiquitous enzymes in the human body, particularly involved in cancer development and progression. Topoisomerase I (topoI) performs DNA relaxation reactions by “controlled rotation” rather than by “strand passage.” The inhibition of topoI has become a useful strategy to control cancer cell proliferation. Nowadays, different compounds have undergone clinical trials, but the search for new molecular entities is necessary and benefits from medicinal chemistry efforts. Pyrrole‐based compounds emerged as promising antiproliferative agents, with particular interest in breast cancer therapy and topoI inhibition. Starting from these observations and based on the scaffold‐hopping approach, we developed a small library of 1‐(2‐aminophenyl)pyrrole‐based amides (7a–f) as new anticancer agents. Tested on a panel of cancer cell lines, 7a–f displayed the most interesting profile in MDA‐MB‐231 cells, where the most active compounds, 7d–f, were able to induce death by apoptosis. Direct enzymatic assays and docking simulations on the topoI active site (PDB: 1A35) revealed the inhibitory activity and potential binding site for the newly developed 1‐(2‐aminophenyl)pyrrole‐based amides.
Is Drosophila Dpp/BMP morphogen spreading required for wing patterning and growth?
Authors: Matsuda Shinya , Affolter Markus 
Published: July 2023

AbstractSecreted signaling molecules act as morphogens to control patterning and growth in many developing tissues. Since locally produced morphogens spread to form a concentration gradient in the surrounding tissue, spreading is generally thought to be the key step in the non‐autonomous actions. Here, we review recent advances in tool development to investigate morphogen function using the role of decapentaplegic (Dpp)/bone morphogenetic protein (BMP)‐type ligand in the Drosophila wing disc as an example. By applying protein binder tools to distinguish between the roles of Dpp spreading and local Dpp signaling, we found that Dpp signaling in the source cells is important for wing patterning and growth but Dpp spreading from this source cells is not as strictly required as previously thought. Given recent studies showing unexpected requirements of long‐range action of different morphogens, manipulating endogenous morphogen gradients by synthetic protein binder tools could shed more light on how morphogens act in developing tissues.
Training behavior technicians to become behavior artists through the teaching interaction procedure
Authors: Bukszpan Amy R. , Anderson Adriana , Moon Emma , Kaplan Annabel , Leaf Justin B. 
Published: July 2023

AbstractIn his 1985 lecture, Richard Foxx outlined several traits that distinguished behavior technicians from behavioral artists. He argued that these distinguishing factors made the difference in whether a behavior change proved successful or not. These features have added to the growing body of work around compassionate care in behavior analysis. This study demonstrates that Foxx's skills of behavioral artistry can be taught to a selection of three behavior technicians, demonstrating that technicians are able to learn the topographical behaviors of behavioral artistry through the teaching interaction procedure. A multiple baseline design across three participants was used. Data from this study demonstrates that all three participants showed improvement in their ability to engage in three components identified as part of Foxx's behavioral artistry.
Empowering human anatomy education through gamification and artificial intelligence: An innovative approach to knowledge appropriation
Authors: Castellano Mónica Stambuk , Contreras‐McKay Ignacio , Neyem Andrés , Farfán Emilio , Inzunza Oscar , Ottone Nicolás E. , del Sol Mariano , Alario‐Hoyos Carlos , Alvarado Macarena Soto , Tubbs R. Shane 
Published: July 2023

AbstractGamification has appeared as an alternative educational methodology to traditional tools. Specifically, in anatomy teaching, multiple technological applications have emerged in response to the difficulties of accessing cadaveric material; however, there is insufficient information about the effects of these applications on the performance achieved by students, or about to the best way to adapt learning to meet their educational needs. In this study, we investigated how teaching human anatomy through a mobile gamified technological tool containing recommendation systems can be combined with a virtual assistant to improve the learning and academic performance of medical students in the Anatomy Department at the Universidad de La Frontera in Temuco, Chile and the Anatomy Department at the Pontificia Universidad Católica de Chile. In total, 131 students participated in the experiment, which was divided into two case studies. The main findings led to the conclusion that gamified components support students in learning anatomy. In addition, the predictions and recommendations provided by the virtual assistant enabled the academic aspects that the students needed to improve to be extracted adequately. Future work is expected to support adaptive learning by incorporating new artificial intelligence in education elements that can generate personalized scenarios for studying anatomy based on the application.
Felt understanding as a bridge between social identity and wellbeing among international university students
Authors: Du Xinran , Livingstone Andrew G. , Adlam Anna‐Lynne R. 
Published: July 2023

AbstractWellbeing issues among international students in the UK higher education have been recognised as a crisis. To address this, we integrate social identity and felt understanding approaches to wellbeing and mental health, testing whether felt understanding (the belief that others understand oneself) is an important process through which social identity predicts better wellbeing, over and above other, more established mediators (social support, life meaning, and personal control). International university students (including both undergraduates and postgraduates, N = 301) completed an online survey that measured three sets of variables: social identity variables (ingroup identification, multiple identities, multiple identity compatibility); process variables (social support, felt understanding, life meaning, personal control); and wellbeing outcomes (e.g., depression, anxiety, stress). Path analyses confirmed that felt understanding predicted better wellbeing outcomes over and above the other mediators. Additionally, indirect effects from social identity variables to wellbeing via felt understanding were consistently significant, even when adjusting for the other mediators. The results are consistent with the idea that felt understanding is an under‐acknowledged resource through which social identities protect wellbeing. The findings contribute to “social cure” research and have implications for promoting wellbeing services from the perspective of group memberships. Please refer to the Supplementary Material section to find this article's Community and Social Impact Statement.
Perceptions of ethical cosmetics: Health behaviors during the COVID‐19 pandemic
Authors: Delannoy Arnaud , Baudier Patricia , de Vassoigne Tony 
Published: July 2023

AbstractEthical consumption is considered one of the key issues of the early twenty‐first century, and the demand for natural and chemical‐free products has continued to grow. This study aims to explore consumers' perceptions of ethical cosmetics during the COVID‐19 pandemic; measuring the self‐dimensions that influence their opinions on the potential benefits of healthy cosmetics and measuring these impacts on purchase intention and purchase recommendation. A survey of 483 qualified respondents was conducted through a market research company. The research model, which mobilized constructs drawn from the literature, was analyzed using a partial least square approach via SmartPLS3.3.9 software. Our results demonstrate the direct impact of brand social responsibility (BSR), personal‐positive (PP), and social‐positive (SP) on word‐of‐mouth (WOM). The influence of self‐association on PP is validated but rejected for SP. We show that extended‐self has a direct effect on PP but not on SP, while self‐design has an impact on both variables. Finally, the variables SP, PP, and BSR have a direct impact on the intention to buy healthy cosmetics but not on the WOM construct. As such, this study contributes to the literature on the perception of ethical/healthy cosmetics and consumer behavior and perceptions.