bluuebunny/crossref_metadata_2025_split huggingface dataset:
The research trends and contributions of science education during the COVID‐19 pandemic: A narrative systematic literature review of publications in selected journals
Authors: Susilayati Muslimah , Hardyanto Wahyu , Supriyadi  , Widiyatmoko Arif 
Published: March 2024

AbstractThe COVID‐19 global pandemic was a socio‐scientific issue (SSI) that had an impact on various aspects of life including education. Educational institutions adapted to new learning, teaching and assessment approaches to be effective in responding to the pandemic. This study aims to determine the research trends and contributions of science education during the COVID‐19 pandemic in order to follow up on possible impacts and other crises in the future. The study involved a narrative systematic literature review of 898 articles published in three selected journals from 2018 to 2021. The analysis was divided into two stages. First, to compare research trends between 2018 and 2019 as the baseline with research trends for 2020–2021 during COVID‐19. Second, to systematically analyse the content of articles published between 2020 and 2021 to explore the contribution of science education amidst COVID‐19 descriptively. The results show that the empirical type of research during the COVID‐19 pandemic has increased compared to the baseline. Research topics on learning contexts dominate the baseline and amidst the pandemic, but ‘teaching’ topics are current and future trends in science education research. The three selected journals contributed many publications related to understanding and resolving the crisis during the COVID‐19 pandemic directly and indirectly. In addition, science education amidst COVID‐19 contributes to preparing the younger generation to become resilient citizens capable of dealing with crises. Direct evidence of preparing resilient citizens amidst the COVID‐19 pandemic is contributed by technological and pedagogical knowledge, content and context knowledge, futurising education, and student mobility programmes in science education. Furthermore, indirect evidence is contributed by science education publications published in the three selected journals between 2020 and 2021. Most publications are carried out at the high school level. More articles in the integrated sciences are published than in separate disciplines such as physics, chemistry, biology and earth/space science. Furthermore, the details of research trends and contributions of science education amidst the COVID‐19 pandemic are discussed.
UV Light‐Mediated Hydrolytic Reaction to Develop Magnetic Hydrogel Actuators with Spatially Distributed Ferriferous Oxide Microparticles
Authors: Jiang Tongxin , Zhang Yingying , Jiang Jinqiang , Liu Zhong‐Wen , Liu Zhao‐Tie , Li Guo 
Published: March 2024

AbstractMagnetic hydrogel actuators are developed by incorporating magnetic fillers into the hydrogel matrix. Regulating the distribution of these fillers is key to the exhibited functionalities but is still challenging. Here a facile way to spatially synthesize ferrosoferric oxide (Fe3O4) microparticles in situ in a thermal‐responsive hydrogel is reported. This method involves the photo‐reduction of Fe3+ ions coordinated with carboxylate groups in polymer chains, and the hydrolytic reaction of the reduced Fe2+ ions with residual Fe3+ ions. By controlling the irradiation time and position, the concentration of Fe3O4 microparticles can be spatially controlled, and the resulting Fe3O4 pattern enables the hydrogel to exhibit complex locomotion driven by magnet, temperature, and NIR light. This method is convenient and extendable to other hydrogel systems to realize more complicated magneto‐responsive functionalities.
A Coordination‐Derived Cerium‐Based Amorphous–Crystalline Heterostructure with High Electrocatalytic Oxygen Evolution Activity
Authors: An Haiyan , Mu Xijiao , Tan Guoying , Su Pingru , Liu Liangliang , Song Nan , Bai Shiqiang , Yan Chun‐Hua , Tang Yu 
Published: March 2024

AbstractThe rational design of heterogeneous catalysts is crucial for achieving optimal physicochemical properties and high electrochemical activity. However, the development of new amorphous–crystalline heterostructures is significantly more challenging than that of the existing crystalline–crystalline heterostructures. To overcome these issues, a coordination‐assisted strategy that can help fabricate an amorphous NiO/crystalline NiCeOx (a‐NiO/c‐NiCeOx) heterostructure is reported herein. The coordination geometry of the organic ligands plays a pivotal role in permitting the formation of coordination polymers with high Ni contents. This consequently provides an opportunity for enabling the supersaturation of Ni in the NiCeOx structure during annealing, leading to the endogenous spillover of Ni from the depths of NiCeOx to its surface. The resulting heterostructure, featuring strongly coupled amorphous NiO and crystalline NiCeOx, exhibits harmonious interactions in addition to low overpotentials and high catalytic stability in the oxygen evolution reaction (OER). Theoretical calculations prove that the amorphous–crystalline interfaces facilitate charge transfer, which plays a critical role in regulating the local electron density of the Ni sites, thereby promoting the adsorption of oxygen‐based intermediates on the Ni sites and lowering the dissociation‐related energy barriers. Overall, this study underscores the potential of coordinating different metal ions at the molecular level to advance amorphous–crystalline heterostructure design.
A High‐Voltage‐Specialized Direct‐Current Triboelectric Nanogenerator for Air Purification
Authors: Shi Jianxun , Zhao Zhihao , Gao Yikui , Yuan Wei , Ma Wenlong , Zhang Jiayue , Zhang Baofeng , Liu Dongyang , Wang Jie 
Published: March 2024

AbstractHuman health and the environment face significant challenges of air pollution, which is predominantly caused by PM2.5 or PM10 particles. Existing control methods often require elevated energy consumption or bulky high‐voltage electrical equipment. To overcome these limitations, a self‐powered, convenient, and compact direct current high‐voltage triboelectric nanogenerator based on triboelectrification and electrostatic breakdown effects is proposed. By optimizing the structure‐design of the direct current triboelectric nanogenerator and corresponding output voltage, it can easily achieve an output voltage of over 3 kV with a high charge density of 320 µC m−2. A power management circuit is designed to overcome the influence of third domain self‐breakdown, optimize 92.5% amplitude of voltage shake, and raise 5% charge utilization ratio. With a device size as tiny as 2.25 cm3, it can continuously drive carbon nanowires to generate negative ions that settle dust within 300 s. This compact, simple, efficient, and safe high‐voltage direct current triboelectric nanogenerator represents a promising sustainable solution. It offers efficient dust mitigation, fostering cleaner environments, and enhancing overall health.
The effects of COVID‐19 lockdown on the body weight and lifestyle behaviors of U.S. adults
Authors: Sung Jaesang , Davis Will , Qiu Qihua 
Published: March 2024

AbstractThe COVID‐19 pandemic and associated policies may have impacted body weight and related lifestyle behaviors. Using 2017–2020 Behavioral Risk Factor Surveillance System data, we estimate the effects of COVID‐19 lockdown on Body Mass Index (BMI) and the probability of obesity among adults in the United States. Our triple‐differences approach, using recent pre‐pandemic years as counterfactuals, identifies statistically significant lockdown‐induced increases in body weight. Event study results highlight a lagged effect of lockdown on body weight, with BMI increases manifesting 2 months post‐lockdown. These effects are particularly pronounced among non‐white adults, low‐income individuals, females, and metropolitan residents. The lockdown's impact on mental health, a potential mechanism driving BMI increases, is concentrated among non‐white, low‐income adults. We observe potential post‐lockdown changes in diet and sedentary behaviors, evidenced by increased Google searches for high‐calorie foods, food delivery apps, and video streaming. Google searches related to healthy habits, such as exercise, yield mixed results.
Gender‐related variation expressions of neuroplastin TRAF6, GluA1, GABA(A) receptor, and PMCA in cortex, hippocampus, and brainstem in an experimental epilepsy model
Authors: Doğanyiğit Züleyha , Okan Aslı , Yılmaz Seher , Uğuz A. Cihangir , Akyüz Enes 
Published: March 2024

AbstractEpileptic seizures are seen as a result of changing excitability balance depending on the deterioration in synaptic plasticity in the brain. Neuroplastin, and its related molecules which are known to play a role in synaptic plasticity, neurotransmitter activities that provide balance of excitability and, different neurological diseases, have not been studied before in epilepsy.In this study, a total of 34 Sprague–Dawley male and female rats, 2 months old, weighing 250–300 g were used. The epilepsy model in rats was made via pentylenetetrazole (PTZ). After the completion of the experimental procedure, the brain tissue of the rats were taken and the histopathological changes in the hippocampus and cortex parts and the brain stem were investigated, as well as the immunoreactivity of the proteins related to the immunohistochemical methods.As a result of the histopathological evaluation, it was determined that neuron degeneration and the number of dilated blood vessels in the hippocampus, frontal cortex, and brain stem were higher in the PTZ status epilepticus (SE) groups than in the control groups. It was observed that neuroplastin and related proteins TNF receptor‐associated factor 6 (TRAF6), Gamma amino butyric acid type A receptors [(GABA(A)], and plasma membrane Ca2+ ATPase (PMCA) protein immunoreactivity levels increased especially in the male hippocampus, and only AMPA receptor subunit type 1 (GluA1) immunoreactivity decreased, unlike other proteins.We believe this may be caused by a problem in the mechanisms regulating the interaction of neuroplastin and GluA1 and may cause problems in synaptic plasticity in the experimental epilepsy model. It may be useful to elucidate this mechanism and target GluA1 when determining treatment strategies.
Potential biological active bacteriocin production by Bifidobacterium via eco‐friendly, low‐cost solid state fermentation principle
Authors: Priyanka Srinivasan , Namasivayam S. Karthick Raja , Sudha S. , Lavanya Muthukrishnan , Abiraamavalli Thirumal 
Published: March 2024

AbstractThe present study is undertaken to evaluate the potential biological activities of bacteriocin produced by the Lactic acid bacteria Bifidobacterium sp. adopting solid state fermentation. Bifidobacterium was isolated from cooked fermented rice water. Isolated bacterial strain was identified by morphological, biochemical, and molecular characteristics. Sterilized cooked rice was inoculated with bacterial inoculum followed by extraction of bacteriocin under aseptic condition. Extracted bacteriocin was screened for antibacterial, antioxidant, and anti‐inflammatory activities under invitro condition. Cooked fermentation rice medium used for solid state fermentation (SSF) supported growth and bacteriocin production by Bifidobacterium longum. Potential antibacterial activity of the extracted bacteriocin was confirmed by growth inhibition of Bacillus subtilis, and Escherichia coli strain. Notable free radical scavenging activity at 120 μg/mL concentration of bacteriocin clearly indicated antioxidant activity. Anti‐inflammatory activity of the bacteriocin was determined which showed maximum inhibition at 120 μg/mL concentration. All these finding suggest the possible utilization of bacteriocin extraction from Bifidobacterium as an effective, safe bioactive agent.
Impact of hypertensive disorders of pregnancy on offspring cardiovascular function: from fetal life to early childhood
Authors: Dimopoulou S. , Neculcea D. , Papastefanou I. , Galan A. , Androulaki M. , Nicolaides K. H. , Charakida M. 
Published: March 2024

ABSTRACTObjectiveEpidemiological studies suggest that, following in‐utero exposure to hypertensive disorder of pregnancy (HDP), children may be at increased long‐term cardiovascular risk, but data in early childhood are lacking. We aimed to investigate the independent influence of HDP on infant cardiac structure and function, after accounting for differences in childhood risk‐factor profile.MethodsThis was a longitudinal study of 71 children born of a pregnancy complicated by HDP (gestational hypertension or pre‐eclampsia) and 304 children born of a normotensive pregnancy. Detailed cardiovascular assessment was performed at mid gestation and at a median of 2.3 (interquartile range, 2.1–2.4) years postnatally. Linear mixed‐effects modeling was used to determine the independent influence of HDP on infant cardiac function and structure after accounting for differences in childhood risk‐factor profile.ResultsThere were no differences in demographic characteristics between children whose mother developed HDP and those born of a normotensive pregnancy, but delivery was earlier and birth weight was lower in the HDP group. In fetal life, there were no significant differences in cardiac function or structure between the HDP and non‐HDP groups. In early childhood, in the HDP group compared with the non‐HDP group, there was greater relative wall thickness (mean ± SD, 0.7 ± 0.3 vs 0.6 ± 0.3; P = 0.047) and increased left ventricular mass (indexed to body surface area) (mean ± SD, 80.9 ± 20.4 g/m2 vs 75.7 ± 16.5 g/m2; P = 0.024); however, these differences did not persist on multivariable analysis. Longitudinal analysis revealed that there was no difference in the change in cardiac functional indices from fetal life to early childhood between the HDP and non‐HDP groups.ConclusionThere is no evidence that HDP has an adverse effect on offspring cardiovascular health in fetal life or in early childhood. © 2024 International Society of Ultrasound in Obstetrics and Gynecology.
Clinical practice guideline on bladder cancer (Part III)
Authors: Dong Xiying , Song Gang , Guan Kaopeng , Wang Tie , Feng Xiaoli , Liu Yulin , Liu Min , Ji Zhigang , Li Xiao , Li Jiongming , Zhang Yong , Zhou Fangjian , Zhou Aiping , Xu Wanhai , Xu Tao , Gao Xianshu , Zhai Qing , Wei Qiang , Xing Nianzeng 
Published: March 2024

AbstractBladder cancer (BC) has become a significantly prevalent disease in China, with an incidence rate of 5.80 per 100 000 in 2015, ranking it as the thirteenth most common type of cancer within the nation. This illness presents a serious public health concern, highlighting the imperative need to unify the standards for diagnosis and treatment to improve patient outcomes. The section of the clinical practice guideline in question is dedicated to addressing muscle‐invasive bladder cancer (MIBC) and metastatic BC. The primary treatment strategies for MIBC are well‐defined: preoperative (neoadjuvant) chemotherapy combined with radical cystectomy stands as the conventional treatment protocol. For patients with locally advanced MIBC, integrating systemic and local therapies is advocated to enhance treatment effectiveness. In cases of metastatic BC, the focus shifts to systemic treatment supplemented by supportive care measures. The guideline also succinctly presents the pros and cons of various urinary diversion surgeries, which are critical considerations following radical cystectomy. It provides an in‐depth exploration of the treatment modalities for metastatic urothelial carcinoma of the bladder. Additionally, this part delves into the integrated approach to treatment and the use of radiotherapy in bladder preservation for localized disease. Moreover, it offers a concise overview of the classification, diagnosis, and therapeutic approaches for nonurothelial carcinoma of the bladder. Lastly, this part emphasizes the importance of recommended posttreatment follow‐up for MIBC patients to ensure comprehensive and ongoing care management.
A new method for synthesis of modified cellulose‐graft‐poly(acrylic acid) copolymer using 4‐cyano‐4‐[(phenylcarbothioyl)solfanyl]pentanoic acid to serve as RAFT agent
Authors: Hosseinzadeh Mehdi , Karaj‐Abad Saber Ghasemi , Abbasian Mojtaba , Azar Mehdi Bagharaie 
Published: March 2024

AbstractIn this study, cellulose was first treated with 4‐cyano‐4‐((phenyl carbonothioyl)solfanyl) pentanoic acid to serve as the reversible addition‐fragmentation chain transfer polymerization (RAFT) agent, then the controlled grafting polymerization of acrylic acid was successfully performed. A well‐defined, cellulose‐graft‐acrylic acid copolymer (Cell‐g‐PAA), has been prepared by RAFT polymerization technique using three different approaches: RAFT agent was prepared by substitution of dithiobenzoate magnesium bromide with 4,4'‐azobis(4‐cyanopentanoic acid) in ethyl acetate as a solvent, mediated cellulose (Cell) block as the macromolecular Cell‐RAFT agent and (cellulose‐co‐acrylic acid) copolymer with alternating sequence. The resulting (Cell‐RAFT) for “living” free radical polymerization was then heated in the adjacent acrylic acid monomer for the development of the controlled graft copolymer onto cellulose. The structures of the intermediate, graft copolymer were investigated by FT‐IR, DSC, 1H NMR, scanning electron microscopy, and thermo gravimetric. The results demonstrate that the preparation of graft copolymers was successfully confirmed. This approach would provide an extensive classification of molecular designs to obtain modern types of tailored hybrid materials derived from natural polysaccharides and synthetic polymers. Also, using a macro‐initiator is an excellent method for synthesizing new materials.
Governance quality and trade performance in Sub‐Saharan Africa
Authors: Asongu Simplice A. , Odhiambo Nicholas M. 
Published: March 2024

AbstractIn this study, nexuses between governance and trade performance in terms of natural resource rents are assessed in 44 Sub‐Saharan African countries. The empirical evidence is based on Tobit regressions. The findings show that political governance (entailing “voice and accountability” and political stability) and institutional governance (consisting of the rule of law and corruption control) have a negative effect on trade performance. The findings are consistent with the perspective that resource rents are linked to inefficiencies in governance which are further detrimental to trade performance within the remit of natural resource rents on the one hand and, on the other, the premise of the prevailing weak institutions in the region less likely to boost trade performance.
High toxicity of agro‐industrial wastewater on aquatic fauna of a South American stream: Mortality of aquatic turtles and amphibian tadpoles as bioindicators of environmental health
Authors: Cuzziol Boccioni Ana P. , Peltzer Paola M. , Attademo Andrés M. , Leiva Leonardo , Colussi Carlina L. , Repetti María R. , Russell‐White Karen , Di Conza Noelia , Lajmanovich Rafael C. 
Published: March 2024

AbstractThe aim of this study was to characterize an aquatic system of Santa Fe province (Argentina) receiving wastewater from agro‐industrial activities (mainly dairy) by in situ assessment (fauna mortality, physicochemical, microbiological, and pesticide residues measurement), and ecotoxicity bioassays on amphibian tadpoles. Water and sediment samples were obtained from the Los Troncos Stream (LTS), previous to the confluence with the “San Carlos” drainage channel (SCC), and from the SCC. Biological parameters (mortality and sublethal biomarkers) were used to evaluate ecotoxicity during 10‐day exposure of Rhinella arenarum tadpoles to LTS and SCC samples. Nine pesticides were detected in both LTS and SCC. Chemical and biochemical oxygen demand, ammonia, and coliform count recorded in SCC greatly exceeded limits for aquatic life protection. At SCC and LTS after the confluence with SCC, numerous dying and dead aquatic turtles (Phrynops hilarii) were recorded. In the ecotoxicity assessment, no mortality of tadpoles was observed in LTS treatment, whereas total mortality (100%) was observed in SCC treatments in dilution higher than 50% of water and sediment. For SCC, median lethal concentration and the 95% confidence limits was 18.30% (14.71–22.77) at 24 h; lowest‐observed and no‐observed effect concentrations were 12.5% and 6.25%, respectively. Oxidative stress and neurotoxicity were observed in tadpoles exposed to 25% SCC dilution treatment. In addition, there was a large genotoxic effect (micronuclei test) in all sublethal SCC dilution treatments (6.25%, 12.5%, and 25%). These results alert about the high environmental quality deterioration and high ecotoxicity for aquatic fauna of aquatic ecosystems affected by agro‐industrial wastewater.Practitioner points
Great mortality of turtles was observed in a basin with a high load of agro‐industrial wastewater.
San Carlos Channel (SCC), where effluents are spilled, is environmentally deteriorated.
The water‐sediment matrix of SCC caused 100% lethality in tadpoles.
SCC dilutions caused neurotoxicity, oxidative stress, and genotoxicity on tadpoles.
Intraoral microscopic‐assisted sialolithotomy for management of medium‐large submandibular sialolithiasis: A refined technique
Authors: Magdy Emad A. , Seif‐Elnasr Mahmoud , Gamaleldin Omneya , Taha Mohamed K. , Fathalla Mohamed F. 
Published: March 2024

AbstractObjectivesSialendoscopy has become the standard treatment for sialolithiasis; however, larger submandibular calculi may require an incisional technique. This study describes and evaluates an intraoral microscopic‐assisted sialolithotomy (IMAS) as a refined submandibular stone extraction technique.MethodsRetrospective case series of 64 submandibular IMAS procedures operated at a tertiary university center and private hospital from 2015 to 2021 were evaluated. Preoperative radiological assessment included noncontrast computed tomography scan ± magnetic resonance sialography. Stone characteristics (side, number, size, and location), operative findings, complications, and postoperative follow‐up were reviewed. Success was defined as successful intraoral stone extraction with no symptoms or stone recurrence for at least 12 months postoperatively.ResultsThe study included 43 males and 19 females, mean age 38 ± 12 years. Two patients had bilateral stones. All but one operated gland had stones extracted (98.4%), however the true success was 93.8% (60/64) as three patients had recurrent/residual stones within a year. Biggest stone longest diameter was 9.8 ± 4.6 mm (range, 5–30 mm). Hilar and intraglandular stone locations were 73.4% and 6.3%, respectively. Median operative time was 55 min. Adjunctive sialendoscopy was performed in 42.2%. Its use is significantly correlated with having ˃3 stones (mean 3.4 vs. 1.2 stones) [P < 0.001, 95% confidence interval: −3.19 to −1.25]. Minor complications included temporary lingual paresthesia (7.8%) and postoperative ranula (1.6%).ConclusionsSubmandibular IMAS is a highly effective safe technique for stones (≥5 mm). The improved microscopic visualization, illumination and magnification allows addressing all stone locations including intraglandular calculi and enables better lingual nerve identification and preservation.