bluuebunny/crossref_metadata_2025 huggingface dataset:
Total revalorization of high impact polystyrene (HIPS): enhancing styrene recovery and upcycling of the rubber phase
Authors: Giakoumakis Nikolaos S. , Vos Christophe , Janssens Kwinten , Vekeman Jelle , Denayer Mats , De Proft Frank , Marquez Carlos , De Vos Dirk
Published: November 2023

The styrene recovery from high impact polystyrene waste can be enhanced by pre-fractionation with ethyl acetate followed by pyrolysis of the isolated polystyrene phase and ethenolysis of the polybutadiene phase.
The effects of the core material (M = Co, Ni) and catalyst support (N = MWCNTs and rGO) on the performance of M@Pd/N core–shell electrocatalysts for formate oxidation and direct formate-hydrogen peroxide fuel cells
Authors: Mahmoodi Raana , Hosseini Mir Ghasem , Abrari Saeid , Nichols Richard J.
Published: November 2023

The obtained results show that the presence of Ni at the core instead of Co and using rGO as catalyst support instead of MWCNTs increased the catalytic performance of the synthesized electrocatalyst towards formate oxidation.
Catalyst-free nucleophilic substitution of hydrogen in quinoline rings by acylethynylpyrroles: stereoselective synthesis of 2-(E-2-acylethenylpyrrolyl)quinolines
Authors: Belyaeva Kseniya V. , Nikitina Lina P. , Oparina Ludmila A. , Saliy Veronika S. , Tomilin Denis N. , Kuzmin Anton V. , Afonin Andrei V. , Trofimov Boris A.
Published: November 2023

A new type of SNHAr reaction in the quinoline core under the action of available acylethynylpyrroles proceeds without halogenated reagents and any catalysts to stereoselectively afford 2-(E-2-acylethenylpyrrolyl)quinolines with a yield up to 78%.
Synthesis of α-sulfenylated carbonyl compounds under metal-free conditions
Authors: Mou Dan , Wu Yuanyuan , Wang Linda , Fu Ying , Du Zhengyin
Published: November 2023

A highly efficient organocatalytic protocol for the synthesis of α-sulfenylated carbonyl compounds from propargylic alcohols and aryl thiols is established. A wide range of α-sulfenylated carbonyl compounds were obtained in moderate to good yields.
Correction: Investigation of factors affecting the stability of compounds formed by isovalent substitution in layered oxychalcogenides, leading to identification of Ba3Sc2O5Cu2Se2, Ba3Y2O5Cu2Se2, Ba3Sc2O5Ag2Se2 and Ba3In2O5Ag2Se2
Authors: Limburn Gregory J. , Davies Daniel W. , Langridge Neil , Malik Zahida , Williamson Benjamin A. D. , Scanlon David O. , Hyett Geoffrey
Published: November 2023

Correction for ‘Investigation of factors affecting the stability of compounds formed by isovalent substitution in layered oxychalcogenides, leading to identification of Ba3Sc2O5Cu2Se2, Ba3Y2O5Cu2Se2, Ba3Sc2O5Ag2Se2 and Ba3In2O5Ag2Se2’ by Gregory J. Limburn et al., J. Mater. Chem. C, 2022, 10, 3784–3795; https://doi.org/10.1039/D1TC05051F.
AMICO galaxy clusters in KiDS-DR3: Cosmological constraints from the angular power spectrum and correlation function
Authors: Romanello M. , Marulli F. , Moscardini L. , Lesci G. F. , Sartoris B. , Contarini S. , Giocoli C. , Bardelli S. , Busillo V. , Castignani G. , Covone G. , Ingoglia L. , Maturi M. , Puddu E. , Radovich M. , Roncarelli M. , Sereno M.
Published: November 2023

We study the tomographic clustering properties of the photometric cluster catalogue derived from the third data release of the Kilo Degree Survey (KiDS), focusing on the angular correlation function and its spherical harmonic counterpart: the angular power spectrum. We measured the angular correlation function and power spectrum from a sample of 5162 clusters, with an intrinsic richness of λ* ≥ 15, in the photometric redshift range of z ∈ [0.1, 0.6]. We compared our measurements with theoretical models, within the framework of the Λ cold dark matter cosmology. We performed a Markov chain Monte Carlo (MCMC) analysis to constrain the cosmological parameters, Ωm and σ8, as well as the structure growth parameter, S8 ≡ σ8√Ωm/0.3. We adopted Gaussian priors on the parameters of the mass-richness relation, based on the posterior distributions derived from a previous joint analysis of cluster counts and weak-lensing mass measurements carried out on the basis of the same catalogue. From the angular correlation function, we obtained Ωm = 0.32−0.04+0.05, σ8 = 0.77−0.09+0.13, and S8 = 0.80−0.06+0.08, which are in agreement, within 1σ, with the 3D clustering result based on the same cluster sample and with existing complementary studies on other data sets. For the angular power spectrum, we checked the validity of the Poissonian shot noise approximation, also considering the mode-mode coupling induced by the mask. We derived statistically consistent results, in particular, Ωm = 0.24−0.04+0.05 and S8 = 0.93−0.12+0.11; while the constraint on σ8 alone is weaker with respect to the one provided by the angular correlation function, σ8 = 1.01−0.17+0.25. Our results show that the 2D clustering from photometric cluster surveys can provide competitive cosmological constraints with respect to the full 3D clustering statistics. We also demonstrate that they can be successfully applied to ongoing and forthcoming spectrometric and photometric surveys.
Strengthening the ecosystem for preventing and handling sexual violence on campus to support achievements SDGs gender equality
Authors: Faidah Mutimmatul , Rakhmawati Dina , Pasu Iman , Rahmasari Diana , Bayu Aji Rojil Nugroho
Published: November 2023

This research aims to describe (1) the ecosystem for preventing and handling sexual violence (PHSV) on campus and (2) the effectiveness of implementing an ecosystem for PHVS on campus. This qualitative research with interviews, FGDs, and document studies. The subjects were University Leaders, PHSV Task Force, Anti-Sexual Violence Ambassadors, lecturers, students, and educational staff at Surabaya State University. The data analysis technique uses the Miles and Haberman pattern. The research results show that the ecosystem for preventing and handling sexual violence (PHSV) on campus includes (a) campus community, (b) physical elements, (c) PHSV responsive curriculum, (d) regulation, and (e) interactions between campus community. Strengthening the academic atmosphere through the design of a hidden curriculum in the form of non-violent interactions and the integration of anti-sexual violence in learning. Prevention strategies effectively create a positive, friendly, safe, equal, and participatory campus culture fighting sexual violence. Case-handling strategies have a positive impact from various sides. Victims dare to speak up and receive psychological, social, and legal assistance. The perpetrator will receive sanctions according to existing regulations, thereby ensuring that there is no recurrence of the case and increasing the commitment of the campus community not to commit acts of sexual violence.
The importance of moral norms in constructing extended theory of planned behaviour: A Study of food-based SMES in urban agricultural community
Authors: Surjanti Jun , Suyono Rahayu Dewi , Aji Tony Seno , Musfidah Heny , Juniarti Rosa Prafitri
Published: November 2023

Growth and development in big cities often cannot be separated from the phenomenon of environmental quality degradation such as flooding and the availability of clean water, so a sustainable development program is needed that involves community participation, including SMEs. Their role in running a sustainable business, especially in the case of urban farm communities in relation to the moral norms between them, is important to study. Previous research has indeed studied moral norms in forming pro-environmental behavior, but this research has not tried to study them in the context of a society that was deliberately formed to foster environmental values, such as an urban agricultural community. This research intended to test the effect of moral norms, along with attitudes, subjective norms, and perceived behavioral control on sustainable business behavior. This research was a quantitative approach toward the food MSME population at the Urban Agricultural Society of Surabaya (UASS). Sampling used a purposive sampling technique. Research data was obtained from questionnaires distributed to 177 participants. The findings revealed that attitude, moral norm, and subjective norm all had a direct impact on intention but not perceived behavioral control.
Implementation of Solar Panels as a Support af Hydroponic Agriculture at Dewaponik Yogyakarta
Authors: Sahat Tua Manalu Doni , Maritasari Harries , Rusmiyati Henny , Azmi Nurlaili Afifah Ulil
Published: November 2023

Hydroponics is cultivated land in agriculture without using soil media, but agricultural activities by operating using water as a soil replacement medium. Dewaponik is one of the businesses engaged in agriculture using a hydroponic cultivation system located in the Yogyakarta area. The main focus of hydroponic cultivation at Dewaponik Yogyakarta is vegetable plants that can be cultivated using a hydroponic system, such as curly lettuce, pakcoy, kale, red lettuce, and romaine lettuce. The cultivation system at the Dewaponik Yogyakarta Company uses an NFT system, namely the Nutrient Film Technique, with a water pump that is used to drain water in a hydroponic installation. If you forget to turn on the pump or there is a power outage/ blackout by PLN, plants that need nutrients and oxygen will die and not grow; solutions for hydroponic plants using the NFT method must be creative without worrying about these problems. One alternative that can be developed is the implementation of solar panels for hydroponic water pumps. Solar panels with solar panels can get electrical energy from the most abundant energy source on earth, namely the sun. The implementation of solar panels for hydroponic agriculture at Dewaponik Yogyakarta is analyzed using a business plan analysis. The increase in income through the implementation of solar panels as a support for hydroponic agriculture in Dewaponik can be applied by Dewaponik with increased production and a wider market so as to provide greater income to Dewaponik companies.
Review on monitoring of water quality of the Jakarta Bay, Indonesia
Authors: Edward Edward , Kusnadi Agus
Published: November 2023

Jakarta Bay is located in the north of Jakarta City and is potentially polluted by hazardous chemical substances. Monitoring of water quality in this bay was carried out in March (west monsoon) and August (east monsoon) by the government of Jakarta. This monitor aims toknow the quality of Jakarta Bay and the importance of marine organisms, recreation and port area importance. The water sample is taken by using a watersampler in 19 stations. Water quality parameters collected were temperature, acidity (pH), dissolved oxygen (DO), salinity, transparency, turbidity, phosphate, nitrate and heavy metals mercury (Hg), Lead (Pb), Cadmium (Cd), Copper (Cu), Zinc (Zn), Nickel (Ni), As, and Chromium (Cr), and we compare the data with seawater quality standards stated by Ministry of Environment of Indonesia. We determined the status of water quality using the Storet method. The results showed that, generally, the water quality in this water was insufficient to support the lifeof the marine organisms, recreation, and port area. According to the analysis ofwater quality status, this water was included in the C category (moderately polluted).
Influence of the Volga-Kama cascade of reservoirs on the hydrological regime during the flood and the quality of the spawning cycle of fish in the Lower Volga
Authors: Zhezmer Valentin , Dudakov Nikolay
Published: November 2023

The Volga-Caspian fishing subarea is the most important inland fishery reservoir in Russia. For centuries, this region has been distinguished by the high productivity of mass commercial fish species. The main spawning of semi-anadromous (bream, roach, carp, zander, etc.) and river fish of the indicated subregion takes place in the lower zone of the Volga-Akhtuba floodplain, as well as in the central delta. The creation of the Volga-Kama cascade of hydroelectric power stations in the Volga basin has reduced the annual Volga runoff and a profound deformation of all its hydrological characteristics, which is especially evident during the flood period. The paper presents a detailed analysis of the influence of the Volga-Kama cascade of reservoirs on the hydrological regime during the flooding period and the quality of the spawning cycle of fish in the Lower Volga.
Adsorption of Cd(II) using Polyacrylamide/Rice Husk Hydrogel
Authors: Laila Farida , Yulianti Wina , Resmeiliana Ika , Amalia Sholeha Novia , Fadhlurrahman Mohammad
Published: November 2023

Rice husk is an abundant by-product from rice milling in agricultural countries and has potential as an adsorbent of toxic heavy metals. The rice husk powder was grafted into the acrylamide polymerization process in an aqueous solution. FTIR spectroscopy revealed critical functional groups that play roles in binding metal ions. Removal of 93% of Cd ions in aqueous solution was found at the initial concentration of 600 mg/L. A batch study of the adsorption isotherm process of cadmium ions using Langmuir and Freundlich models was suitable with both models, but Langmuir was more fitted with the data based on a higher R2 value. This result suggests that polyacrylamide-grafted rice husk hydrogel has the potential for heavy metal removal in an aqueous solution.
Feasibility of chemical and microbiological quality of sambal onion formulation Ny. Hang
Authors: Emi Widyasari R.A. Hangesti , Muhamad Basar Firman , Nuraeni Ani , Ratna Dewi Farida
Published: November 2023

This research was conducted from April-October 2022. The location of implementation was in the laboratory of the Management Industry of Food Service and Nutrition Vocational School of IPB University and Saraswati Indo Genetec Laboratory (SIG). The results of the chemical analysis of red chili sauce contains the following nutritional values: ash content of 2.54%, fat 31.52%, protein 3.86%, carbohydrates 28.66%, total energy 413.75 Kcal/100 grams, and energy from fat 283.67 Kcal/100 grams, while the nutritional content of green chili sauce contains ash content of 2.32%, fat 31.13%, protein 2.80%, carbohydrates 23.59%, total energy 385.73 Kcal/100 grams, and energy from fat 280.19 Kcal/100 grams. Red chili sauce has a total energy of 413.75 kcal per 100 grams, which is higher than green chili sauce 385.73 kcal per 100 grams. The results of microbiological analysis of red chili sauce with Total Plate Count (ALT) showed numbers 3.6x102 sample (RM2.1), 4.0x101 sample (RM2.2), and 1.2x102 sample (RM2.3), while green chili sauce showed ALT numbers 1.0x102 (RH2.1), 1.0x102 (RH2.2), and 6.0x102 (RH2.3). The value of Escherichia Coli bacteria showed zero. The results of this analysis state that onion sauce Ny. Hang is following SNI’s chili sauce quality requirements (SNI 01-2976-2006).
The Opportunity of Eco-Spa Wellness Tourism Development in Surakarta, Indonesia
Authors: Adi Wijaya Deria , Saeroji Amad , Sandi Prasetyo Jimmi , Agfianto Tomi , Wijayanto Nanang
Published: November 2023

Tourism and the creative economy are combinations that can become a sustainable source of welfare and boost the economy to increase the country’s foreign exchange. Therefore, developing the tourism sector is one of the priorities in President Joko Widodo’s leadership framework for the 2019-2024 period. In the pandemic era pandemic, each party is required to be able to implement strict health protocols to slow the rate of SARS-Cov2 infection, or what is known as the coronavirus, but on the other hand, the need to turn the wheels of the economy must continue. Therefore, an effort is needed to develop tourism activities full of experiences that add health benefits. Anticipating this, the Ministry of Tourism and Creative Economy collaborated with the Ministry of Health to offer an innovative development model: wellness tourism. The development of wellness tourism is an alternative that can make a positive contribution to the development of Indonesian tourism during the pandemic. This research seeks to synergize efforts to develop national tourism into the regional sphere; in this case, Baluwarti Tourism Village, which is located within the walls of the Surakarta Sunanate Palace, has the potential to be developed into a wellness tourism destination in Surakarta City. Considering that a village that is near a palace certainly has a variety of potential attractions for royal wellness tourism. The main objectives of this study are 1) to identify the potential for palace-style wellness tourism in Baluwarti Tourism Village and 2) to formulate development in the form of tour packages in Baluwarti Tourism Village. Of course, the development of the wellness tour package is still based on local wisdom, namely a tour package that raises local potential as a palace-style wellness tourism attraction that can improve the economy of the local people through the tourism sector in the post-pandemic era.
Production Scheduling Based on Smart Forecasting Model of Bottled Mineral Water Products
Authors: Husen Santosa Sesar , Prayudha Hidayat Agung , Siskandar Ridwan , Rizkiriani Annisa
Published: November 2023

Optimal production planning is a problem that causes product stock buildup at PT Marina. Factors that affect production planning in the company are the conditions of Demand, Safety Stock, and Production Costs. The results of the demand forecasting method chosen are the Moving Average with N = 3 and the Mean Absolute Percentage Error (MAPE) = 0.05 is 68,084 boxes/period with a production cost of IDR 544,672.00/period. The Safety Stock of bottle products in the ninth forecasting period is 8076 Boxes. Based on the three factors above, an intelligent production planning model was developed using a fuzzy logic approach. The result of defuzzification of demand planning for bottle products for the ninth or three months using the Center of Area (COA) method was 59,917 Boxes. Based on the defuzzification of production planning, the total cost of aggregate production planning for the next three months using the chase strategy method is 617,235,300. 1500 ml = 17,105 boxes. Based on the aggregate planning model above, the company can schedule production and raw materials so that the warehouse’s product stock management is maintained optimally.
Fuzzy Analytical Hierarchy Process (AHP) Model for Chicken Egg Supply and Demand Management Strategies Through SAFCES Application Development
Authors: Prayudha Hidayat Agung , Wiyoto Wiyoto , Julio Pratama Agief , Vibowo Heryudianto , Husen Santosa Sesar , Siskandar Ridwan
Published: November 2023

The complexity of managing the supply and demand for egg agents causes conditions for egg agents to experience difficulties in determining the ideal number of eggs available in the warehouse and establishing the right strategy for controlling the supply from breeders. This research aims to assist egg agents in supporting the right strategic decisions in managing chicken eggs so that the supply and demand for chicken eggs are maintained through the development of the SAFCES application so that it is not done manually. The Fuzzy Analytical Hierarchy Process (AHP) model is used through the development of an application called SAFCES. The results showed that the main priority in managing chicken eggs was focusing on selling prices (0.63) and an alternative strategy that could be used as increasing agent area (0.78) to manage demand which was always maintained.
Implementation of Synology NAS-Based Storage System Type DS220+ at LSP-SV IPB
Authors: Widodo Bayu , Dewi Renanti Medhanita , Indriasari Sofiyanti , Sastrawan Uding
Published: November 2023

As the digital world evolves, safeguarding digital assets becomes crucial for organizations, particularly educational institutions. LSP SV-IPB, as a vocational certification body, manages student data, academic records, and other valuable information. Therefore, it is essential to implement an effective protection strategy. The research aims to develop and implement digital asset protection strategies at the LSP SV-IPB. The protection focuses on data storage management so that passive data is properly stored as the main backup and transactional data runs efficiently. The Synology Network Attached Storage (NAS) was proposed as the development model. NAS has proven efficient in managing data and providing reliable backups. Through NAS, passive data can be properly archived and protected, while transactional data can be accessed and processed at optimal speed. Hence, literature studies, software analysis, and experiments on the network environment were conducted. Model development was conducted using the design and implementation of NAS infrastructure at the LSP SV-IPB. Data collection covered the effective and efficient use of NAS in maintaining data integrity and mitigating the risk of losing important information. The results of this study are expected to contribute to the development of an efficient and reliable digital asset protection strategy within the LSP SV-IPB environment.
La kétamine : un neuropsychotrope au mécanisme d’action innovant
Authors: Guilloux Jean-Philippe , Nguyen Thi Mai Loan , Gardier Alain M.
Published: November 2023

La kétamine, un antagoniste non compétitif du récepteur N-méthyl-D-aspartate (R-NMDA) du glutamate, possède un effet antidépresseur rapide (dès 24 h post-dose) et prolongé (jusqu’à une semaine) dans la dépression résistante au traitement par des antidépresseurs « classiques » et dans les modèles rongeurs d’anxiété/dépression. Les arguments concernant ses mécanismes cellulaires et moléculaires sous-tendant son activité antidépressive viennent principalement d’études animales. Des débats persistent cependant sur le remodelage structurel des neurones frontocorticaux/hippocampiques et sur le rôle des neurotransmetteurs excitateurs/inhibiteurs impliqués dans cet effet comportemental observé chez l’animal. Les modifications neurochimiques et comportementales se maintiennent 24 h après l’administration de la kétamine, bien au-delà de sa demi-vie d’élimination plasmatique. L’avancée des connaissances sur les conséquences du blocage du R-NMDA permet de préciser les mécanismes sous-jacents impliquant (i) l’activation des récepteurs AMPA du glutamate, qui déclenche une cascade d’évènements intracellulaires dépendants de la cible mécanistique de la rapamycine, (ii) le facteur neurotrophique dérivé du cerveau et (iii) la synthèse de protéines synaptiques facilitant la plasticité synaptique (nombre d’épines dendritiques, synaptogenèse). Les cellules pyramidales glutamatergiques du cortex préfrontal médian sont principalement impliquées dans les effets thérapeutiques de la kétamine. La présente revue se concentre sur les anomalies des systèmes de neurotransmetteurs associées aux troubles dépressifs caractérisés, leur impact potentiel sur les circuits neuronaux et les effets bénéfiques de la kétamine. Les résultats d’études précliniques récentes devraient aider à orienter les futures études pour mieux préciser le mécanisme d’action des antidépresseurs d’action rapide et permettre ainsi le développement de nouvelles thérapies plus efficaces.
Les perturbateurs des hormones thyroïdiennes : comment estimer leurs impacts sur la santé humaine et l’environnement ?
Authors: Rannaud-Bartaire Patricia , Fini Jean-Baptiste
Published: November 2023

Les perturbateurs endocriniens (PE) d’origine chimique font l’objet de nombreuses études, certaines ayant permis des mesures visant à limiter leur utilisation et leurs impacts sur l’environnement et la santé humaine. Des dizaines d’hormones ont été décrites et sont communes à l’ensemble des vertébrés (certains messagers chimiquement proches ont été également répertoriés chez les invertébrés) avec des rôles variables et pas toujours connus. Les effets des PE concernent donc potentiellement toutes les espèces animales via tous les axes endocriniens ; ils s’ajoutent aux autres paramètres de l’exposome qui induisent une pression d’adaptation forte, multiple, et difficile à appréhender. Les effets des PE sur les voies de la reproduction et les voies thyroïdiennes sont parmi les plus étudiés depuis ces trente dernières années et ce, sur un grand nombre d’espèces. L’étude des effets des PE sur les voies thyroïdiennes ainsi que sur le développement cérébral va de pair avec l’augmentation des connaissances sur 1) les différents rôles des hormones thyroïdiennes au niveau cellulaire ou tissulaire (notamment le tissu cérébral en développement) chez de nombreuses espèces, 2) les autres voies hormonales et 3) les interactions épigénétiques. De façon générale, si l’on veut appréhender comment agissent les PE sur les organismes vivants, il est nécessaire d’analyser dans une approche intégrée et multi-modèles (approche dite translationnelle) les résultats issus de domaines scientifiques complémentaires. Dans cette brève revue, nous dressons un état des lieux de découvertes récentes et discutons les perspectives d’action dans les champs de la médecine et de la recherche. Nous mettons en avant la nécessité d’une approche intégrée et multidisciplinaire pour étudier les impacts des PE et prendre des mesures appropriées.
A PWDG method for the Maxwell system in anisotropic media with piecewise constant coefficient matrix
Authors: Yuan Long , Hu Qiya
Published: November 2023

In this paper we are concerned with plane wave discontinuous Galerkin (PWDG) methods for time-harmonic Maxwell equations in three-dimensional anisotropic media, for which the coefficients of the equations are piecewise constant symmetric matrices, where each constant symmetric matrix is defined on a medium (subdomain). By using suitable scaling transformations and coordinate (complex) transformations on every subdomain, the original Maxwell equation in anisotropic media is transformed into a Maxwell equation in isotropic media occupying a union domain of specific subdomains of complex Euclidean space. Based on these transformations, we define anisotropic plane wave basis functions and discretize the considered Maxwell equations by PWDG method with the proposed plane wave basis functions. We derive error estimates of the resulting approximate solutions, and further introduce a practically feasible local hp-refinement algorithm, which substantially improves accuracies of the approximate solutions. Numerical results indicate that the approximate solutions generated by the proposed PWDG methods possess high accuracy for the case of strong discontinuity media.
Les virus oncolytiques : acteurs et vecteurs de protéines thérapeutiques contre les tumeurs
Authors: Houel Ana , Foloppe Johann
Published: November 2023

La mise en évidence de la capacité unique de certains virus à cibler spécifiquement les cellules cancéreuses a ouvert de nouvelles perspectives pour la recherche en immunothérapie des cancers. Outre leur capacité à induire la destruction spécifique des cellules cancéreuses, les virus oncolytiques (OV) ont été modifiés génétiquement pour exprimer des molécules thérapeutiques directement au sein de la tumeur. L’utilisation des OV comme vecteurs de molécules thérapeutiques a permis d’augmenter les réponses anti-tumorales, tout en limitant les effets indésirables liés à une administration par voie générale de ces molécules. D’autres recherches visent aujourd’hui à limiter la neutralisation et l’élimination du virus par le système immunitaire de l’hôte et à améliorer son accès aux tumeurs.
Nasal Patency Measurement: State of the Art of Acoustic Rhinometry
Authors: Ottaviano Giancarlo
Published: November 2023

Nasal obstruction is one of the main symptoms of different nasal pathologies. Many physiological and pathological conditions can produce nasal airflow impairment causing nasal obstruction and affecting patients' quality of life. There are different methods for the measurement of nasal obstruction, but in clinical practice the most common used are acoustic rhinometry, rhinomanometry, and peak nasal inspiratory flow. This review describes the fundamentals of acoustic rhinometry, its normal values, the different physiological and pathological conditions that can modify nasal patency, and the utility of this instrument for the measurement of nasal obstruction in clinical practice. Acoustic rhinometry is a simple test, so it is suitable for measurements in the pediatric population, i.e., for evaluating adenoid hypertrophy. Acoustic rhinometry normal values are available, unilaterally and bilaterally for pediatric and adult populations. Acoustic rhinometry has been demonstrated to be reproducible and even superior to rhinomanometry when measuring nasal modifications during challenges. It is possible to use acoustic rhinometry before and after nasal surgery. Measuring nasal cavities volume and cross-sectional area, acoustic rhinometry is particularly indicated in rhinosurgery, especially for the evaluation of spreader grafts. Brief considerations about the correlation between nasal symptoms, in particular the subjective sensation of nasal obstruction, and the acoustic rhinometry results as well as the correlation of acoustic rhinometry with other methods for the measurement of nasal obstruction are also reported. Objective and subjective evaluation of nasal obstruction gives different information that together optimizes the diagnosis and the treatment of rhinologic patients. Acoustic rhinometry alone or in combination of other instruments for the measurement of nasal obstruction or patency should be used regularly in every outpatient clinic that treats patients with nasal obstruction as there is an increasing need of evidence-based therapies.
Effectiveness of an Educational Intervention with Guidelines from the Total Acceleration of Postoperative Recovery Project (ACERTO) in Gynecology
Authors: Marra Juliana Marques , Samper Isabela Corrêa , Abreu Laura Aparecida Xavier de , Anelvoi Rafaela Pereira , Uyeda Maria Gabriela Baumgarten Kuster , Sartori Marair Gracio Ferreira , Marquini Gisele Vissoci
Published: November 2023

Objective To evaluate the effectiveness of an educational intervention among gynecologists about recommendations of the Total Acceleration of Postoperative Recovery (ACERTO, in the Portuguese acronym) project derived from the solid foundations of Enhanced Recovery After Surgery (ERAS) guidelines to optimize hospital care for surgical-gynecological patients.

Methods Educational intervention through monthly 1-hour long meetings (3 months), with the application of an objective questionnaire about specific knowledge of the ACERTO project between before and after educational intervention phases, for gynecologists, after approval by the ethics committee and signature of informed consent by participants, in a federal university hospital.

Results Among the 25 gynecologists who agreed to participate, the educational intervention could be effective with a statistically significant difference between the phases before and after the intervention for the main recommendations of the ACERTO project, such as abbreviation of preoperative fasting (p = 0.006), venous thromboembolism prophylaxis (p = 0.024), knowledge and replication of ACERTO (p = 0.034), and multimodal analgesia (p = 0.021).

Conclusion An educational intervention, through clinical meetings with exposition and discussion of the recommendations of the ACERTO project based on the ERAS protocol can be effective for the knowledge and possibility of practical application of the main measures, such as abbreviation of preoperative fasting, multimodal analgesia, and prophylaxis of thrombosis among gynecologists.
Bleeding Scoring Systems in Neonates: A Systematic Review
Authors: Sokou Rozeta , Parastatidou Stavroula , Konstantinidi Aikaterini , Tsantes Andreas G. , Iacovidou Nicoletta , Piovani Daniele , Bonovas Stefanos , Tsantes Argirios E.
Published: November 2023

We conducted a systematic review aiming to summarize the data on the current hemorrhage prediction models and evaluate their potential for generalized application in the neonatal population. The electronic databases PubMed and Scopus were searched, up to September 20, 2023, for studies that focused on development and/or validation of a prediction model for bleeding risk in neonates, and described the process of model building. Nineteen studies fulfilled the inclusion criteria for the present review. Eighteen bleeding risk prediction models in the neonatal population were identified, four of which were internally validated, one temporally and one externally validated. The existing prediction models for neonatal hemorrhage are mostly based on clinical variables and do not take into account the clinical course and hemostatic profile of the neonates. Most studies aimed at predicting the risk of intraventricular hemorrhage (IVH) reflecting the fact that IVH is the most frequent and serious bleeding complication in preterm neonates. A justification for the study sample size for developing the prediction model was given only by one study. Prediction and stratification of risk of hemorrhage in neonates is yet to be optimized. To this end, qualitative standards for model development need to be further improved. The assessment of the risk of bleeding incorporating platelet count, coagulation parameters, and a set of relevant clinical variables is crucial. Large, rigorous, collaborative cohort studies are warranted to develop a robust prediction model to inform the need for transfusion, which is a fundamental step towards personalized transfusion therapy in neonates.
Plasma window performance and scaling for an accelerator-based neutron source
Authors: Blatz J. M. , Barrows P. , Kile T. , Hoerr D. , Gribb T. , Hershcovitch A. , Radel R.
Published: November 2023

A “plasma window” was developed for use with a SHINE accelerator-based neutron source. In this work, the design of the plasma window is presented along with results demonstrating successful operation in deuterium over a range of aperture diameters (5–12 mm), gas flow rates (3.5 to 12.5 slm), and input powers (10–55 kW). An empirically determined relationship between the aperture diameter, deuterium gas flow rate, input power, and plasma window pressure differential is also presented.
Nonlinear dynamics of a spin-Hall nano-oscillator based on the canted antiferromagnet
Authors: Mitrofanova A. , Safin A. , Nikitov S.
Published: November 2023

The theory of the nonlinear dynamics of a canted antiferromagnet-based (AFM) spin-Hall oscillator with weak ferromagnetism caused by the strong Dzyaloshinskii–Moriya interaction between magnetic sublattices is rigorously studied. The AFM oscillator’s frequency tuning is carried out both due to a DC spin-polarized current flowing through the normal metal layer and an external permanent magnetic field. A feature of the operation of this oscillator is the presence of a hysteresis region between the subcritical (damping) and overcritical (self-oscillating) regimes. We show that it is necessary to reduce an effective easy-plane anisotropy field of the AFM or choose antiferromagnetic material with a smaller exchange field between magnetic sublattices to get a smaller hysteresis region. The action of an external permanent magnetic field on an antiferromagnet leads to the presence of two stable equilibrium states, and the self-oscillating regime is characterized by two-mode generation. We find the conditions for the absence of two-mode generation on the “current density–magnetic field strength” plane. We believe that our results can be helpful for the practical development of a sub-THz frequency tunable oscillator based on the AFM with weak ferromagnetism.
Evaluation of uncertainty in antineutrino spectra normalization calculations for advanced nuclear reactor monitoring
Authors: Dunbrack Matthew , Erickson Anna
Published: November 2023

Antineutrino detection systems have been envisioned as an important aspect of safeguarding the next generation of nuclear reactors, especially considering designs utilizing exotic fuel cycles. Deployment of antineutrino detection systems for safeguarding applications is hindered by the uncertainties associated with the calculations required for antineutrino spectra measurements and predictions. The focus of this work is to assess the impact of system components on antineutrino spectra normalization uncertainties and their significance in reactor power monitoring sensitivity. The dominant limitation in antineutrino detection calculations is typically the uncertainty associated with a cosmogenic background. This limitation becomes more pronounced when signals are weak, although the issue is mitigated in larger reactors due to their stronger source strength. Additionally, antineutrino emission uncertainties vary with the isotopic composition of the reactor fuel. Unconventional fuel cycles, featuring less common fissioning isotopes, such as Pu-240, introduce larger antineutrino yield uncertainties. The findings from this study suggest that future research on safeguard-targeted antineutrino detection should prioritize background mitigation, particularly when background simulation is necessary. Advanced nuclear reactor designs have a major influence on background understanding and successful system implementation.
Mean exit times as global measure of resilience of tropical forest systems under climatic disturbances—Analytical and numerical results
Authors: Zheng Yayun , Boers Niklas
Published: November 2023

Both remotely sensed distribution of tree cover and models suggest three alternative stable vegetation states in the tropics: forest, savanna, and treeless states. Environmental fluctuation could cause critical transitions from the forest to the savanna state and quantifying the resilience of a given vegetation state is, therefore, crucial. While previous work has focused mostly on local stability concepts, we investigate here the mean exit time from a given basin of attraction, with partially absorbing and reflecting boundaries, as a global resilience measure. We provide detailed investigations using an established model for tropical tree cover with multistable precipitation regimes. We find that higher precipitation or weaker noise increases the mean exit time of the forest state and, thus, its resilience. Upon investigating the transition times from the forest state to other tree cover states, we find that in the bistable precipitation regime, the size of environmental fluctuations has a greater impact on the transition probabilities from the forest state compared to precipitation.
Design of a locust leg-like compliant constant-force mechanism supporting large-scale damage-free manipulation
Authors: Zhang Chen , Lu Shuaishuai , Liu Pengbo , Yan Peng
Published: November 2023

Precision manipulation is plays an increasingly crucial role in bioengineering fields such as cell injection. Due to the specificity of the operational process, which is highly susceptible and damageable by the actuated force, millimeter-level nondestructive operations are gaining more and more attention. With this, a symmetrical compliant constant-force mechanism (CCFM) is developed to provide stable and large motion stroke for damage-free precision manipulation in this paper. The mechanism design is inspired by the legs of the locust, which flexes and folds when the locust jumps. In terms of structure design, double biomimetic diamond beams are used to generate positive and negative stiffness. A crossbeam is added to the internal diamond mechanism, which flexes during movement to provide negative stiffness, while the external diamond mechanism without additional constraint provides positive stiffness. The theoretical model of this CCFM is established to analyze its force–displacement relationship, which is verified by performing finite element analysis simulations and experimental studies. Meanwhile, a parametric study is conducted to investigate the influence of the dominant design variable of the CCFM. Finally, the test results show that the CCFM can generate motion range up to 5 mm with a constant output force ∼15.2 N. The developed CCFM has potential applications in the field of manipulation techniques of cell engineering and robotics in the future.
An analytical interpretation of the memory window in ferroelectric field-effect transistors
Authors: Yoo Sijung , Choe Duk-Hyun , Lee Hyun Jae , Jo Sanghyun , Lee Yun Sung , Park Yoonsang , Kim Ki-Hong , Kim Donghoon , Nam Seung-Geol
Published: November 2023

In this study, we present an analytical equation for describing the memory window of ferroelectric field-effect transistors (FeFETs). The analytical equation is derived based on the effect of oxide charge on the threshold voltage shift of the field-effect transistor and can be expressed by simpler parameters, such as the quantity of polarization switching and trapped charge. We demonstrate that the derived equation is in quantitative agreement with the results of the numerical calculations using a technology computer-aided design simulation tool, which confirms the validity of the equation. Our results show that the analytical equations provide an accurate and practical description of the memory window for FeFETs with various structures.
Hydrogen bonding switched symmetric and anti-symmetric vibrations SRS of –CH2 in aqueous DEG solution
Authors: Xue Ruqing , Du Hua , Zhang Wei , Sun Chenglin , Li Aijun , Fang Wenhui , Men Zhiwei
Published: November 2023

The symmetric and anti-symmetric stretching vibrations of C–H extensively exist in organic molecules, which constantly arise together in Raman spectroscopy. In this study, a method was presented to switch stimulated Raman scattering peak from symmetric vibrations (2870 cm−1) to anti-symmetric vibrations (2924 cm−1) of –CH2 by regulating the hydrogen bonding (HB) associated through intermolecular and intramolecular in diethylene glycol (DEG) molecules. Such dominant association structure can be converted from DEG-DEG to DEG-H2O in the aqueous DEG solutions. The interaction between H2O and DEG was investigated through the density functional theory calculation. The changes in intermolecular HB have effects on the intramolecular vibrational modes by the intermolecular forces and symmetry of the DEG molecule. This study has exciting potential prospect and can be extended to other mixing solutions.
Magnetic optical rotation from real-time simulations in finite magnetic fields
Authors: Ofstad Benedicte Sverdrup , Wibowo-Teale Meilani , Kristiansen Håkon Emil , Aurbakken Einar , Kitsaras Marios Petros , Schøyen Øyvind Sigmundson , Hauge Eirill , Irons Tom J. P. , Kvaal Simen , Stopkowicz Stella , Wibowo-Teale Andrew M. , Pedersen Thomas Bondo
Published: November 2023

We present a numerical approach to magnetic optical rotation based on real-time time-dependent electronic-structure theory. Not relying on perturbation expansions in the magnetic field strength, the formulation allows us to test the range of validity of the linear relation between the rotation angle per unit path length and the magnetic field strength that was established empirically by Verdet 160 years ago. Results obtained from time-dependent coupled-cluster and time-dependent current density-functional theory are presented for the closed-shell molecules H2, HF, and CO in magnetic fields up to 55 kT at standard temperature and pressure conditions. We find that Verdet’s linearity remains valid up to roughly 10–20 kT, above which significant deviations from linearity are observed. Among the three current density-functional approximations tested in this work, the current-dependent Tao–Perdew–Staroverov–Scuseria hybrid functional performs the best in comparison with time-dependent coupled-cluster singles and doubles results for the magnetic optical rotation.
A 6 degrees of freedom electromagnetic–thermal–dynamic coupling model for high-temperature superconducting levitation system
Authors: Lei Wuyang , Wang Zihan , Zheng Jun , Deng Zigang
Published: November 2023

As the main merits, self-stabilization and no magnetic resistance make the high-temperature superconducting (HTS) magnetic levitation technology a crucial area for high-speed magnetic levitation development. To guarantee a stable operation of superconducting magnetic levitation systems, the dynamic characteristics of superconducting bulk materials occupy a significant place. However, in the previous research, there is still a lack of a simulation method that can describe 6 degree of freedom (DOF) motion of the superconductor. In this paper, an electromagnetic–thermal–dynamic coupling calculation model was established first. Then, the damping characteristics of 5-DOF superconducting levitation were experimentally tested, and the response analysis of the superconductor under 1–20 Hz excitation was carried out to explore the coupled motion relationship between the various degrees of freedom of the superconductor. In addition to the above, the operating conditions and primary resonance intervals that should be avoided by the HTS maglev system were identified. Additionally, a numerical simulation was conducted to investigate the dynamic response of the HTS maglev system under impact loads. All in all, this study explored the temperature rise conditions of superconducting bulk materials under excitation force through magnetic-thermal-force multi-physics coupling research. This 6-DOF model can provide a comprehensive simulation method for superconducting maglev systems in superconductor's motion behavior, attitude, and thermal state monitoring.
An implicit unified gas-kinetic wave–particle method for radiative transport process
Authors: Liu Chang , Li Weiming , Wang Yanli , Song Peng , Xu Kun
Published: November 2023

The unified gas-kinetic wave–particle method (UGKWP) has been developed for the multiscale gas, plasma, and multiphase flow transport processes for the past years. In this work, we propose an implicit UGKWP (IUGKWP) method to remove the Courant–Friedrichs–Lewy time step constraint. Based on the local integral solution of the radiative transfer equation (RTE), the particle transport processes are categorized into the long-λ streaming process and the short-λ streaming process compared to a local physical characteristic time tp. In the construction of the IUGKWP method, the long-λ streaming process is tracked by the implicit Monte Carlo method; the short-λ streaming process is evolved by solving the implicit moment equations; and the photon distribution is closed by a local integral solution of RTE. In the IUGKWP method, the multiscale flux of radiation energy and the multiscale closure of photon distribution are constructed based on the local integral solution. The IUGKWP method preserves the second-order asymptotic expansion of RTE in the optically thick regime and adapts its computational complexity to the flow regime. The numerical dissipation is well controlled, and the teleportation error is significantly reduced in the optically thick regime. The computational complexity of the IUGKWP method decreases exponentially as the Knudsen number approaches zero, and the computational efficiency is remarkably improved in the optically thick regime. The IUGKWP is formulated on a generalized unstructured mesh, and multidimensional 2D and 3D algorithms are developed. Numerical tests are presented to validate the capability of IUGKWP in capturing the multiscale photon transport process. The algorithm and code will apply in the engineering applications of inertial confinement fusion.
A step toward density benchmarking—The energy-relevant “mean field error”
Authors: Gould Tim
Published: November 2023

Since the development of generalized gradient approximations in the 1990s, approximations based on density functional theory have dominated electronic structure theory calculations. Modern approximations can yield energy differences that are precise enough to be predictive in many instances, as validated by large- and small-scale benchmarking efforts. However, assessing the quality of densities has been the subject of far less attention, in part because reliable error measures are difficult to define. To this end, this work introduces the mean-field error, which directly assesses the quality of densities from approximations. The mean-field error is contextualized within existing frameworks of density functional error analysis and understanding and shown to be part of the density-driven error. It is demonstrated in several illustrative examples. Its potential use in future benchmarking protocols is discussed, and some conclusions are drawn.