bluuebunny/crossref_metadata_2025_split huggingface dataset:
Thermodynamic, kinetic, and isotherm studies of Direct Blue 86 dye absorption by cellulose hydrogel
Authors: Shoaib Amany G. M. , Ragab Safaa , El Sikaily Amany , Yılmaz Murat , El Nemr Ahmed 
Published: April 2023

AbstractIn this study, cellulose hydrogels were simply fabricated by the chemical dissolution method using LiCl/dimethylacetamide as a new method, and the hydrogel produced was investigated for removing Direct Blue 86 (DB86) dye from the aquatic environment. The produced cellulose hydrogel (CAH) was characterized by FTIR, XRD, SEM, and TGA analyses. The removal efficiency of DB86 dye using CAH was achieved via a batch equilibrium process. The impact of pH, time of contact, CAH dosage, starting concentration of DB86 dye, and absorption temperature were scanned. The optimum pH for absorption of DB86 dye was determined to be 2. The absorption results obtained were scanned by Langmuir (LIM), Temkin (TIM), Freundlich (FIM), and Dubinin-Radushkevich (DRIM) isotherm models (IMs) and chi-square error (X2) function used to identify the best-fit IMs. The CAH had 53.76 mg/g as a maximum absorption capacity (Qm) calculated from the LIM plot. The TIM was the best fitted to the CAH absorption results. Kinetic absorption results were investigated by pseudo-first-order (PFOM), Elovich (EM), pseudo-second-order (PSOM), film diffusion (FDM), and intraparticle diffusion (IPDM) models. A PSOM with a highR2(> 0.99) accounted for the majority of the control over the absorption rate. The findings indicate that CAH can potentially remove the DB86 dye from wastewater.
A new samarium complex of 1,3-bis(pyridin-3-ylmethyl)thiourea on boehmite nanoparticles as a practical and recyclable nanocatalyst for the selective synthesis of tetrazoles
Authors: Moradi Parisa , Kikhavani Tavan , Abbasi Tyula Yunes 
Published: April 2023

AbstractBoehmite is a natural and environmentally friendly compound. Herein boehmite nanoparticles were primarily synthesized and, then, their surface were modified via 3-choloropropyltrimtoxysilane (CPTMS). Afterwards, a new samarium complex was stabilized on the surface of the modified boehmite nanoparticles (Sm-bis(PYT)@boehmite). The obtained nanoparticles were characterized using thermogravimetric analysis (TGA), energy dispersive X-ray spectroscopy (EDS), Brunauer–Emmett–Teller (BET), wavelength dispersive X-ray spectroscopy (WDX), scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FT-IR), Inductively coupled plasma mass spectrometry (ICP-MS), dynamic light scattering (DLS), and X-ray diffraction (XRD) pattern. Sm-bis(PYT)@boehmite was used as an environmentally friendly, efficient, and organic–inorganic hybrid nanocatalyst in the homoselective synthesis of tetrazoles in polyethylene glycol 400 (PEG-400) as a green solvent. Notably, Sm-bis(PYT)@boehmite is stable and has a heterogeneous nature. Thus, it can be reused for several runs without any re-activation.
Diastolic function evaluation in children with ventricular arrhythmia
Authors: Pietrzak Radosław , Książczyk Tomasz M. , Franke Magda , Werner Bożena 
Published: April 2023

AbstractPremature ventricular contractions (PVC) are frequently seen in children. We evaluated left ventricular diastolic function in PVC children with normal left ventricular systolic function to detect whether diastolic function disturbances affect physical performance. The study group consisted of 36 PVC children, and the control group comprised 33 healthy volunteers. Echocardiographic diastolic function parameters such as left atrial volume index (LAVI), left atrial strains (AC-R, AC-CT, AC-CD), E wave, E deceleration time (Edt), E/E’ ratio, and isovolumic relaxation time (IVRT) were measured. In the cardiopulmonary exercise test (CPET), oxygen uptake (VO2 max) was registered. Evaluation of diastolic function parameters revealed statically significant differences between the patients and controls regarding Edt (176.58 ± 54.8 ms vs. 136.94 ± 27.8 ms, p < 0.01), E/E’ (12.6 ± 3.0 vs. 6.7 ± 1.0, p < 0.01), and IVRT (96.6 ± 19.09 ms. vs. 72.86 ± 13.67 ms, p < 0.01). Left atrial function was impaired in the study group compared to controls: LAVI (25.3 ± 8.2 ml/m2 vs. 19.2 ± 7.5 ml/m2, p < 0.01), AC-CT (34.8 ± 8.6% vs. 44.8 ± 11.8%, p < 0.01), and AC-R-(6.0 ± 4.9% vs. −11.5 ± 3.5%, p < 0.01), respectively. VO2 max in the study group reached 33.1 ± 6.2 ml/min/kg. A statistically significant, moderate, negative correlation between VO2 max and E/E’ (r = −0.33, p = 0.02) was found. Left ventricular diastolic function is impaired and deteriorates with the arrhythmia burden increase in PVC children. Ventricular arrhythmia in young individuals may be related to the filling pressure elevation and drive to exercise capacity deterioration.
Circulation of a digital community currency
Authors: Mattsson Carolina E. S. , Criscione Teodoro , Takes Frank W. 
Published: April 2023

AbstractCirculation is the characteristic feature of successful currency systems, from community currencies to cryptocurrencies to national currencies. In this paper, we propose a network analysis approach especially suited for studying circulation given a system’s digital transaction records. Sarafu is a digital community currency that was active in Kenya over a period that saw considerable economic disruption due to the COVID-19 pandemic. We represent its circulation as a network of monetary flow among the 40,000 Sarafu users. Network flow analysis reveals that circulation was highly modular, geographically localized, and occurring among users with diverse livelihoods. Across localized sub-populations, network cycle analysis supports the intuitive notion that circulation requires cycles. Moreover, the sub-networks underlying circulation are consistently degree disassortative and we find evidence of preferential attachment. Community-based institutions often take on the role of local hubs, and network centrality measures confirm the importance of early adopters and of women’s participation. This work demonstrates that networks of monetary flow enable the study of circulation within currency systems at a striking level of detail, and our findings can be used to inform the development of community currencies in marginalized areas.
Analysis of influencing factors on gas film characteristics for hemispherical dynamic pressure motors
Authors: Zhang Yaping , Wang Yanzhong , Zhang Fuli , Niu Wentao , Yang Kai , Lu Boji 
Published: April 2023

AbstractThe hemispherical dynamic pressure motor (HDPM) has the advantages of high speed, wear resistance and stability, which is widely used in inertial instruments to produce the gyroscopic effect. The ultra-thin gas film between the stator and rotor of the motor provides dynamic pressure lubrication and bearing capacity, whose dynamic characteristics determine the motor performance. However, the influence mechanism of some key factors such as ball center distance on the film characteristics is not clear, which has become the bottleneck restricting the performance improvement of HDPMs. Therefore, in this paper, a series of gas film similarity models were solved under different geometric and working parameters, and the influence law of the ball center distance, rotor displacement and stopping process on the aerodynamic characteristics was obtained, the results show that these primary parameters have significant effects on the pressure distribution, resistance moment and frictional heat of the ultra-thin gas film. This work can not only provide a theoretical basis for the aerodynamic performance optimization of HDPMs, but also serve as a reference for the design of other aerodynamic instruments.
Income raises human well-being indefinitely, but age consistently slashes it
Authors: Li Chao , Managi Shunsuke 
Published: April 2023

AbstractThe relationships among human well-being, income, and age have long been debated. The association between human well-being and income is believed to be U-shaped, although the reasons remain elusive. A recent study shows a turning point in the link between human well-being and income; that is, increased income does not always improve well-being. However, the mechanisms of the effects of income and age on human well-being are unknown. Here, we illustrate the total cumulative effects of income and age on evaluated well-being through all observed causal pathways based on a 1.6-million-observation global dataset and the structural causal model. This is the first study to investigate those casual relationships globally. We find that an increase in age always reduces evaluated well-being, and the adverse effects are aggravated with age. Furthermore, increased income continuously improves human well-being, but the impacts gradually become marginal with higher income. Our results demonstrate that physical health improvement in older people is the most effective way to intervene against the harmful effects of age on well-being. Moreover, increased income may dramatically enhance the well-being of people living close to the poverty line.
Slow-down of deforestation following a Brazilian forest policy was less effective on private lands than in all conservation areas
Authors: da Silva Ramon Felipe Bicudo , de Castro Victoria Daniel , Nossack Fábio Ávila , Viña Andrés , Millington James D. A. , Vieira Simone Aparecida , Batistella Mateus , Moran Emilio , Liu Jianguo 
Published: April 2023

AbstractPrivate lands are important for conservation worldwide, but knowledge about their effectiveness is still insufficient. To help fill this important knowledge gap, we analyzed the impacts of a national policy for conservation on private lands in Brazil, a global biodiversity hotspot with high potential for nature-based climate solutions. Through the evaluation of over 4 million private rural properties from the Rural Environmental Cadastre, we found that the last policy review in 2012 mainly affected the Amazon Forest. The amnesty granted to 80% of landowners of small properties prevented the restoration of 14.6 million hectares of agricultural land with a carbon sequestration potential of 2.4 gigatonnes. We found that private lands exist within the limits of public conservation areas and that between 2003 and 2020 deforestation rates in these private lands were higher than those across all conservation areas. The Rural Environmental Cadastre can be an effective tool for managing forests within private lands, with potential to integrate governance approaches to control deforestation and mitigate climate change.
Spontaneous valley polarization and valley-nonequilibrium quantum anomalous Hall effect in Janus monolayer ScBrI
Authors: Jia Kang , Dong Xiao-Jing , Li Sheng-Shi , Ji Wei-Xiao , Zhang Chang-Wen 
Published: April 2023

By obtaining the real magnetic anisotropy energy (MAE) under different strains, when 1.5% < ε < 1.8%, due to spontaneous valley polarization, intrinsic out-of-plane (OOP) magnetic anisotropy, and a chiral edge state, the VQAHE can reliably appear between two HVM states.
Biomass-derived magnetic nanocomposites modified by choline chloride/citric acid based natural deep eutectic solvents for the magnetic solid phase extraction of trypsin
Authors: Chen Jing , Xu Fangting , Wang Yuzhi 
Published: April 2023

The application of biomass-derived magnetic nanocomposites modified by choline chloride/citric acid based natural deep eutectic solvents in the magnetic solid phase extraction of trypsin.
Predicting Behavioral Threshold at 6 and 8 kHz for Children and Adults Based on the Auditory Brainstem Response
Authors: Porter Heather L. , Dubas Christina , Vicente Manuel , Buss Emily , Bishop Danielle , Kaminski Jan 
Published: April 2023

Purpose:
Common clinical application of auditory brainstem response (ABR) testing is limited to 0.25–4 kHz. Prior research has demonstrated associations between ABR and behavioral thresholds for tone burst stimuli > 4 kHz in adults, but there are no comparable data for children. The ability to predict behavioral thresholds > 4 kHz clinically based on the ABR would provide valuable audiologic information for individuals who are unable to provide behavioral thresholds. This study included children with hearing loss and children with normal hearing to determine the association between ABR and behavioral thresholds at 6 and 8 kHz.

Method:

ABR and behavioral thresholds were obtained for children ages 4.7–16.7 years (
M
= 10.5,
SD
= 3.4) with sensorineural hearing loss (
n
= 24) or normal hearing sensitivity (
n
= 16) and for adults ages 18.4–54.4 years (
M
= 32.7,
SD
= 10.4) with sensorineural hearing loss (
n
= 13) or normal hearing sensitivity (
n
= 11). Thresholds obtained for 6 and 8 kHz using ABR and conventional audiometry were compared.

Results:
Differences between ABR and behavioral thresholds averaged 5–6 dB for both children and adults for both test frequencies, with differences of ≤ 20 dB in all instances. Linear mixed modeling for data from participants with hearing loss suggested that ABR threshold is a good predictor of behavioral threshold at 6 and 8 kHz for both children and adults. Test specificity was 100%; no participants with behavioral thresholds ≤ 20 dB HL had ABR thresholds > 25 dB nHL.

Conclusions:
Initial evidence suggests that ABR testing at 6 and 8 kHz is reliable for estimating behavioral threshold in listeners with hearing loss and accurately identifies normal hearing sensitivity. The results of this study contribute to efforts to improve outcomes for vulnerable populations by reducing barriers to clinical implementation of ABR testing at > 4 kHz.
The Impact of Bimodal Hearing on Speech Acoustics of Vowel Production in Adult Cochlear Implant Users
Authors: Luo Xin , Daliri Ayoub 
Published: April 2023

Purpose:This study aimed to investigate the acoustic changes in vowel production with different forms of auditory feedback via cochlear implant (CI), hearing aid (HA), and bimodal hearing (CI + HA).Method:Ten post–lingually deaf adult bimodal CI users (aged 50–78 years) produced English vowels /i/, /ɛ/, /æ/, /ɑ/, /ʊ/, and /u/ in the context of /hVd/ during short-term use of no device (ND), HA, CI, and CI + HA. Segmental features (first formant frequency [F1], second formant frequency [F2], and vowel space area) and suprasegmental features (duration, intensity, and fundamental frequency [fo]) of vowel production were analyzed. Participants also categorized a vowel continuum synthesized from their own productions of /ɛ/ and /æ/ using HA, CI, and CI + HA.Results:F1s of all vowels decreased;F2s of front vowels but not back vowels increased; vowel space areas increased; and vowel durations, intensities, andfos decreased with statistical significance in the HA, CI, and CI + HA conditions relative to the ND condition. Onlyfos were lower, and vowel space areas were larger with CI and CI + HA than with HA. Average changes info, intensity, andF1from the ND condition to the HA, CI, and CI + HA conditions were positively correlated. Most participants did not show a typical psychometric function for vowel categorization, and thus, the relationship between vowel categorization and production was not tested.Conclusions:The results suggest that acoustic, electric, and bimodal hearing have a measurable impact on vowel acoustics of post–lingually deaf adults when their hearing devices are turned on and off temporarily. Also, changes infoandF1with the use of hearing devices may be largely driven by changes in intensity.
Miniature Linguistic Systems for Individuals With Autism Spectrum Disorder: A Systematic Review and Meta-Analysis
Authors: Simeone Paul J. , Schlosser Ralf W. , Frampton Sarah E. , Shane Howard C. , Wendt Oliver 
Published: April 2023

Purpose:Miniature linguistic systems (also known as matrix training) is a method of organizing learning targets to achieve generative learning or recombinative generalization. This systematic review is aimed at determining whether matrix training is effective for individuals with autism spectrum disorder (ASD) in terms of improving recombinative generalization for instruction-following, expressive language, play skills, and literacy skills.Method:A systematic review methodology was employed to limit bias in the various review stages. A multifaceted search was conducted. Potential primary studies were imported into Covidence, a systematic review software, and inclusion criteria were applied. Data were extracted regarding (a) participant characteristics, (b) matrix designs, (c) intervention methods, and (d) dependent variable. A quality appraisal using the What Works Clearinghouse (WWC) Single-Case Design Standards (Version 1.0, Pilot) was carried out. In addition to the visual analysis of the data, an effect size estimate, non-overlap of all pairs (NAP), was generated for each participant. Independentttests and between-subjects analyses of variance were conducted to identify moderators of effectiveness.Results:Twenty-six studies including 65 participants met criteria for inclusion. All included studies were single-case experimental designs. Eighteen studies received a rating ofMeets Standards Without ReservationsorMeets Standards With Reservations. The aggregated combined NAP scores for acquisition, recombinative generalization, and maintenance of a range of outcomes were in the high range.Conclusions:Findings suggested that matrix training is an effective teaching method for individuals with ASD for acquisition, recombinative generalization, and maintenance of a range of outcomes. Statistical analyses to identify moderators of effectiveness were insignificant. Based on the WWC Single-Case Design Standards matrix training meets criteria to be considered an evidence-based practice for individuals with ASD.
Examining Perspectives of Latina Mothers and Speech-Language Pathologists Through Dyadic Interviews: Implications for Latine Children on the Autism Spectrum
Authors: Esquilín Nieves Astrid A. , Danzak Robin L. 
Published: April 2023

Purpose:
This qualitative pilot study explored cultural perspectives and needs of two bilingual (Spanish/English) Latina mothers with children on the autism spectrum in conversations with their children's speech-language pathologists (SLPs), one identifying as Mexican American and the other identifying as White American.

Method:
Dyadic interviews were used to promote dialogue and learning opportunities for the participants. Two dyads (mothers and SLPs) participated, completing background questionnaires, dyadic interviews, and post-interview written reflections.

Results:

Three main themes emerged from the qualitative analysis of the dyadic interviews:
comunicación
(communication), language, and challenge. Post-interview written reflections evidenced increased advocacy skills for the mothers and heightened awareness regarding communication style for the SLPs.

Conclusion:
The lived experiences revealed by all participants offer several implications: (a) the value of extended conversations between caregivers and service providers, (b) caregiver sacrifices, (c) the importance of cultural sensitivity for SLPs, and (d) positive outcomes from online learning for children on the autism spectrum.
Toward a Model of Reciprocal Carryover: Learning From Communication Systems of Families of Nonspeaking Bilingual Children
Authors: Padía Lilly 
Published: April 2023

Purpose:
Children at the intersections of language learning, racialization, and dis/ability status experience systems of power in a very particular way. This work amplifies the “voices” of bilingual nonspeaking children and their families to upend the notion of educational and medical professionals as the experts. It positions familial ways of being and knowing as central to learning and offers educators tools to actively collaborate with and follow the lead of children and families to engage in “reciprocal carryover.”

Method:
This clinical focus article is built on a series of semistructured interviews and observations with caregivers, young children, and educators—specifically, two case studies of bilingual nonspeaking young children in the United States and their transnational families. Circumventing school and medical spaces and going directly to young children and families was a methodological choice to identify the family as the epicenter of languaging and learning.

Results:
Each case study demonstrates a system that was created to bolster the communication of these historically subaltern families. From systems of social capital exchanges to intrafamilial nonverbal communication systems, the families in the study engage in and share systems they created to navigate the larger system of special education that so often positions multilingual, transnational families and their dis/abled children as nonknowers. The author offers strategies for educators to learn alongside children and families to engage in “reciprocal carryover.”

Conclusions:
This work highlights the communication and languaging systems children and families co-construct beyond the bounds of formal education and supports educators in following their lead. It offers a roadmap for educators, families, and children to co-construct communication practices together.
Parallel distributed compensation scheme for chaotic masking system via Rivest cipher 4 stream cipher
Authors: Hsiao Feng‐Hsiag 
Published: April 2023

AbstractThis study presents a design methodology for Takagi‐Sugeno (T‐S) fuzzy models‐based secure communications in multiple time‐delay chaotic (MTDC) systems with Rivest cipher 4 (RC4) algorithm. The main advantage of the RC4 algorithm is that the key length does not affect the encryption and decryption speeds. To block a hacker from stealing a message, this study proposes increasing the complexity of an encrypted message (ciphertext) using a method of double encryption using the RC4 algorithm and chaotic masking. As a result, this more secure communications system can effectively defend the encrypted message (ciphertext). First, the RC4 algorithm and a key are used to encrypt the initial message (plaintext). To enhance security, the encrypted message (ciphertext) is then converted into an encrypted signal, which is a double encryption using chaotic masking. Additionally, an improved genetic algorithm (IGA) is adopted in this study, it can seek better feedback gains of fuzzy controllers to speed up the synchronization. In accordance with the IGA, a model‐based fuzzy controller is synthesized to exponentially stabilize the error systems so that the trajectories of the slave systems can approach those of the master systems. Finally, a numerical example with simulations is provided to illustrate the effectiveness of the proposed method.