bluuebunny/crossref_metadata_2025 huggingface dataset:
Feature-Dependent Accuracy in Classification Models for Ultrafast THz Spectroscopy using Frequency Selective Surfaces
Authors: Sebastian Rejeena , Ahmad R. , Lafrenière-Greig J. , Ropagnol X. , Blanchard François
Published: October 2024

This work analyzes data from a novel setup for ultrafast selective multispectral Terahertz (THz) spectroscopy using Frequency Selective Surface (FSS). A comparative evaluation of the performance of four different classification models is conducted and a feature-accuracy mapping is done for optimization.
Comparison of laser induced damage thresholds of CdSiP2 and BaGa2GeSe6 at 1064 nm at tight focusing
Authors: Guha Shekhar , Cissner Kevin , Carson Alexander , Zawilski Kevin T. , Petrov Valentin
Published: October 2024

Surface damage threshold values of CdSiP2and BaGa2GeSe6 under 5 ns duration, 1064 nm laser exposure were measured for various spot sizes.
A Multiplexed Quantitative Spectroscopy Method to Measure Spectrally Overlapping Metabolic Fluorophores
Authors: D’Agostino Victoria W. , Kwan Michelle , Madonna Megan C. , Crouch Brian T. , Ramanujam Nirmala
Published: October 2024

We have developed and validated an in vivo quantitative spectroscopy method to measure spectrally overlapping fluorophores relevant to cancer metabolism using an inverse Monte Carlo algorithm and linear spectral unmixing.
Multifrequency nonlinear pulse propagation
Authors: Castelló-Lurbe David , Silvestre Enrique , Andrés Miguel V.
Published: October 2024

The nonlinear coefficient dependence on multiple frequencies is rigorously incorporated into the propagation equation so that the resulting nonlinear term is still straight-forwardly computed. Readily observable consequences due to this multifrequency dispersion are predicted.
Efficient Emission from a Spintronic THz Emitter based on Pump Distribution and Exposure
Authors: Gandubert G. , Nkeck J. E. , Ropagnol X. , Morris D. , Blanchard F.
Published: October 2024

Efficiency of Spintronic terahertz emitters are thermally influenced by laser pulses. Using an oscillator laser, we show that adjusting the laser pump's spatial distribution and exposure time significantly increases its generation efficiency.
Topological Features of Bright Vector Solitons in Ring Resonators with Normal Dispersion
Authors: Lucas E. , Hill L. , Xu G. , Oppo G.-L. , Xu Y. , Del’Haye P. , Kibler B. , Murdoch S. G. , Erkintalo M. , Coen S. , Fatome J.
Published: October 2024

Experiments and simulations of unusual bright vector solitons in Kerr ring resonators with normal dispersion displaying a phase defect with a phase jump of π in one of the linear polarization components are presented.
Mobility-Induced Light Localization in an Adverse Nonlinear Environment
Authors: Li Siyu , Wu Juan , Zhuang Yuhui , Hu Yi , Xu Jingjun
Published: October 2024

We report a mobility-induced localization of a beam that tends to delocalize at rest in a fluid of light. Such a transition occurs as the beam catches up with intensity holes emerged in the fluid.
Tailoring nonlinear response of ENZ metamaterials at oblique incidence
Authors: Suresh Sisira , Alam M. Zahirul , Upham Jeremy , Córdova-Castro R. Margoth , Abbasi Maryam , Boyd Robert
Published: October 2024

We study nonlinear optical properties of a layered ENZ metamaterial with oblique incident TM-polarized light. Maximum nonlinear responses occur at angle-dependent zero-permittivity wavelengths, demonstrating enhancement is due to ENZ condition regardless of constituents’ microscopic details.
Second Harmonic Enhancement with a U-shaped InSb Plasmonic Antenna in the THz Regime
Authors: Aghili Sina , Dolgaleva Ksenia
Published: October 2024

We propose a U-shaped plasmonic antenna made of the InSb semiconductor, enhancing the SHG process with an effective second-order susceptibility of 90 pm/V in the THz regime.
Miniaturized nonlinear micro-endoscopes
Authors: Septier D. , Lefebvre E. , Brévalle-Wasilewski G. , Kumar N. Gajendra , Wang Y. J. , Kaszas A. , Rigneault H. , Kudlinski A.
Published: October 2024

We report miniaturized and flexible micro-endoscopes based on double-clad negative curvature hollow core fibers. They allow to perform multiphoton, second and third harmonic and coherent anti-Stokes Raman scattering imaging.
1-GHz Dual-Comb Supercontinuum from a Single Nonlinear Fiber Using Polarization Multiplexing
Authors: Heidt A. M. , Camenzind S. L. , Sierro B. , Rampur A. , Willenberg B. , Keller U. , Phillips C. R.
Published: October 2024

We report 1-GHz watt-level ultra-low noise dual-comb supercontinuum generation in a single birefringent photonic crystal fiber using polarization multiplexing. Both combs originate from the same laser cavity and are broadened to > 450 nm bandwidth.
Soliton Self-Generation Under Pulsed-Pumping Conditions in a Coherently Driven Passive Kerr Resonator
Authors: Macnaughtan Matthew , Li Zongda , Xu Yiqing , Wei Xiaoming , Yang Zhongmin , Coen Stéphane , Erkintalo Miro , Murdoch Stuart
Published: October 2024

We unveil a novel dynamical regime in which dissipative Kerr cavity solitons spontaneously emerge in a coherent, pulse-driven passive Kerr resonator. The regime is robust against perturbations, ensuring reliable and deterministic cavity soliton generation.
Perspectives on the Future of Nonlinear Photonics: the Promise of Well-established and Novel Materials
Authors: Vermeulen Nathalie
Published: October 2024

The rise of low-dimensional materials, meta-materials, etc. has expedited nonlinear-optics research. Meanwhile, fabrication technologies for well-established materials have significantly advanced. This talk will explore the implications of both developments for the future of nonlinear photonics.
Photonics Research Interview with Professor Yidong Huang
Authors: Yang Lan
Published: October 2024

This interview article features Professor Yidong Huang, a pioneering scientist and exceptional community leader in optoelectronics, whose contributions extend beyond academia into entrepreneurship and leadership. As part of a new series launched by Photonics Research, this interview aims to highlight the journeys and achievements of prominent women in optics and photonics. Through insightful reflections, Professor Huang discusses her scientific journey, including the challenges she encountered, her proudest achievements, and her vision for the future of optoelectronics. She also shares advice for young researchers, strategies for maintaining work–life balance, and experiences with technology transfer from academia to industry.
Optimization of 1.65 eV Al0.18Ga0.82As Tunnel Junctions for Monolithic III-V/Si Solar Cells
Authors: Madarang May Angelu , Chu Rafael Jumar , Kim Yeonhwa , Ju Eunkyo , Laryn Tsimafei , Choi Won Jun , Jung Daehwan
Published: October 2024

We investigate thermally stable, optically transparent 1.65 eV AlGaAs tunnel junctions crucial for interconnecting tandem cells. Devices with 2× 8% Te delta-doping show five orders of magnitude improvement and thermal robustness compared to Si-doped counterparts.
Mode Coupling and Ultimate Loss Limit in Hollow Core Fibers
Authors: Melli F. , Vasko K. , Rosa L. , Benabid F. , Vincetti L.
Published: October 2024

A theoretical model describing the modes coupling in hollow core inhibited coupling fibers is presented. This model gives new insights about the ultimate limits in terms of loss and bandwidth of this kind of fibers.
Strong Reduction of Frequency-Comb Noise in All-Normal Dispersion Supercontinuum
Authors: Sierro Benoît , Camenzind Sandro L. , Willenberg Benjamin , Nussbaum-Lapping Alexander , Rampur Anupamaa , Keller Ursula , Phillips Christopher R. , Heidt Alexander M.
Published: October 2024

Experimental observations show that broadening frequency-combs in all-normal dispersion fibers can reduce noise by up to 20 dB. Our new numerical model propagates pulse trains generated from real noise measurements and replicates this accurately.
Optical Fiber SERS Sensors for Salmonella Detection in Poultry Products
Authors: Abuhelwa Mai , Singh Arshdeep , Liu Jiayu , Morey Amit , Channaiah Lakshmikantha H. , Almasri Mahmoud
Published: October 2024

This paper introduces SERS sensors with nanoantenna arrays on an optical fiber and 3D printed microstructure, detecting 1-3 cells/ml in 10 minutes. It enhances signal-to-noise ratio through increased surface area, unpublished.
Silica Specialty Fibers Made Through Laser-assisted Additive Manufacturing
Authors: Maniewski Pawel , Pasiskevicius V. , Holmes C.
Published: October 2024

Novel approaches for laser-based silica processing are demonstrated, that offer unique fabrication capabilities for specialty fibers. High performance and new fiber geometries are offered through multi-material additive manufacturing, cutting, polishing, welding and laser-based preform drawing.
In-line polarization control in soft glass fibers
Authors: Khan Md Moinul Islam , Shamim Md Hosne Mobarok , Rochette Martin
Published: October 2024

We demonstrate the first proof of concept in-line polarization control using soft-glass fibers, crucial for mid-infrared applications. ZBLAN and hybrid As2S3 fibers exhibit high polarization extinction ratios (PER) of 20.8 dB and 19.8 dB, respectively.
Trench-assisted Seven-core Non-zero Dispersion Shifted Ring Fiber for OAM Modes
Authors: Huang Yuxiang , Liu Yuanpeng , Zhao Wenqian , Pan Zhongqi , Yue Yang
Published: October 2024

A trench-assisted seven-core non-zero dispersion shifted ring fiber is designed to support 98 OAM modes, which can maintain <-40 dB crosstalk across the C-band. Large effective mode area and low differential mode delay are also achieved.
Improved Emission Lifetime via Thermal Annealing for Ytterbium-doped High-Power Fiber Lasers
Authors: Wang Siyuan , Meehan Bailey , Hawkins Thomas W. , Ballato John , Dragic Peter D
Published: October 2024

Through a series of thermal annealing experiments, it is shown that Yb3+ emission properties could be further optimized, particularly as relates to the quantum efficiency. Achieving near-unity quantum efficiency is paramount to continued power scaling.
Unlocking the Shaping Gain in Unamplified Coherent Links
Authors: Oliveira Beatriz M. , Neves Manuel S. , Silva Jorge H. , Guiomar Fernando P. , Medeiros Maria C. R. , Monteiro Paulo P.
Published: October 2024

The benefits of probabilistic constellation shaping in unamplified links are still under debate, putting into question Maxwell-Boltzmann (MB)-based PCS. We optimize the probability mass function and demonstrate gains of 4.2 dB at 400 Gbit/s.
Interlocking of Mode-Locked Lasers Utilizing Optical Communication Equipment
Authors: Attia Ido , Sadot Dan
Published: October 2024

Interlocking of mode-locked lasers (MLLs) has several applications in the optical communication field and beyond. This work uses an on-chip, integrated coherent receiver (ICR) for successfully interlocking two 80GHz MLLs without exploiting the ICR high-speed outputs.
Analog FFE Coefficients Optimization Using MMSE-based LMS Algorithm in PON Context
Authors: Chevalier Dylan , Scalart Pascal , Simon Gaël , Bramerie Laurent , Joindot Michel , Potet Jérémy , Gay Mathilde , Chanclou Philippe , Thual Monique
Published: October 2024

A novel approach is proposed for Analog Signal Processing (ASP) in enhanced 50G-PON using analog FFE filters based on MMSE technique. Performance are validated through experimental transmission of electrical NRZ signals.
Spectral Efficient Physical Layer Security by Using Coherent All-Optical Processing and Multichannel Obfuscation
Authors: Yalinevich Yarden , Wohlgemuth Eyal , Sadot Dan
Published: October 2024

A spectral-efficient physical layer security system is introduced, which enhances capacity by transmitting multiple channels over shared spectrum. Demonstrating that the success probability of an attack is extremely low and further decreases with the inclusion of more channels.
US Anti-Trafficking Funding and the Discourse of ‘Prevention’
Authors: Hebert Laura
Published: October 2024

The United States government has positioned itself as the global exemplar in the anti-human trafficking arena, including through its unparalleled financial support for domestic and international anti-trafficking activities. How the US has allocated these funds has not previously been systematically studied. Building on original databases compiled through a review of the US Attorney General’s Annual Report to Congress on US Government Activities to Combat Trafficking in Persons for fiscal years 2017–2021, in this article, I offer a detailed analysis of US anti-trafficking funding allocations. I find that during the five-year period under review, the vast majority of US anti-trafficking funds were spent on reactive activities, including the identification, protection, and support of trafficking survivors and efforts to improve the detection, arrest, and prosecution of traffickers. In contrast, activities targeting the conditions that increase precarity, rendering certain populations at heightened risk of being trafficked, or that enable the exploitation of precarity, were relatively under-funded. When these conditions were addressed by funded activities, the targets were nearly always countries in Africa, Asia, or Latin America, perpetuating a discourse of trafficking as a social problem rooted in poor policies, practices, and inequalities seen as endemic in the Global South.
A Welcome from the Outgoing Director
Authors: Godfrey Phineas
Published: September 2024

A welcome from the outgoing director to the third issue of the UJE.
Amizade e deficiência: análise das redes de conhecimento
Authors: Sousa Almeida Laiane , Ramos Pontes Fernando Augusto , Magalhães Bastos Jamille Alice , dos Santos Rodrigues José Victor , da Costa Silva Simone Souza
Published: October 2024

Introdução: A amizade influencia positivamente o desenvolvimento humano. Todavia, pessoas com deficiência enfrentam dificuldades para construir e manter esse vínculo. Este estudo objetiva explorar e analisar as redes de conhecimento da literatura sobre amizade e deficiência de 2017 a 2022. Método: Utilizando critérios Prisma, a busca foi realizada nas bases de dados Scopus e Web of Science. Os softwares VOSviewer e Pajek foram usados para construir e analisar as redes. Resultados: Foram analisados 68 artigos. Os Estados Unidos lideram em publicações, entretanto o Reino Unido é mais influente na rede. As principais investigações na área são: transtorno do espectro autista, deficiência intelectual, inclusão social, habilidades sociais e violência contra a pessoa com deficiência. Documentos influentes abordam análise temática em psicologia, amizade de pessoas com transtorno do espectro autista e deficiência intelectual. Conclusões: Os mapas de conhecimento e análise de redes ajudam a explorar a literatura, o que permite compreender tendências, estrutura intelectual base e correlações científicas.
Induction heating system of massive rings before rolling
Authors: Bazarov Alexnder A. , Kolpakov Dmitry V. , Shtukaturov Nikolay R.
Published: September 2024

The work examines an induction heating system for a large ring in a rectangular coil. The end surface of the workpiece is located horizontally. To form a uniform temperature distribution in the workpiece pushed into the inductor, a rotation mechanism is used. Conducted studies of the distribution of heat generation power and temperature in the workpiece showed the need to reduce the field strength in the hole area. A solution to the problem was found through the use of magnetic cores in the inductor design, displacing currents in the workpiece beyond areas prone to overheating. The obtained results of modeling electromagnetic and thermal fields in the workpiece confirm the correctness of the design solution.
Optimization of combined algorithms control electric drives of installations natural gas cooling
Authors: Zubkov Yuri V. , Abakumov Alexander M. , Abakumov Oleg A.
Published: September 2024

The relevance of the problem of reducing energy consumption by electric drives of natural gas cooling units at compressor stations of main gas pipelines is substantiated. The possibility of solving this problem with the help of a combined control system containing two groups of gas air cooling devices is considered: with continuously and discretely controlled speed of electric fan drives. An algorithm for control that is optimal according to the criterion of maximum power savings is obtained, taking into account the peculiarities of temperature distribution along the length of the heat exchanger of the cooling apparatus. It is shown that under conditions of restrictions on control actions, the optimal control algorithm consists of several intervals. Relationships were obtained for calculating the optimal speed of electric fan drives of the first group, the number of switched on electric fan drives of devices of the second group, and power savings at individual control intervals. The influence of the number of devices with continuous fan speed control on the amount of power savings was assessed. The possibility of using a simplified methodology for assessing energy savings based on average indicators of the operating mode of a cooling installation is discussed.
Measurement of pulse current during high voltage tests using Rogowski coil with non-inverting integrator
Authors: Kochetkov Vladimir V. , Melnikov Artem I. , Kochetkov Nikita M.
Published: September 2024

The work is devoted to the development and modelling of the system of pulse current measurement during high-voltage tests and experiments. The proposed measurement system is based on the application of Rogowski coil with non-inverting integrator. The results of numerical modelling of the developed current measurement system are compared with the results of application of a low-inductance shunt resistor, Rogowski coil with passive RC-integrator and Rogowski coil with inverting active integrator in similar measurement systems. Various standard pulse currents including steep edge pulse (1/20 µs), large amplitude current pulse (4/10 µs), lightning pulse current (8/20 µs), switching pulse current (30/80 µs), and 1-3 ms pulse currents are modelled for the comparative test. From the simulation results, it follows that the developed Rogowski coil with the proposed non-inverting integrator has sufficiently high accuracy in a wide frequency band overlapping the frequency band of standard pulse currents in high-voltage tests.
Influence of the quality of electrical energy on the operation of the main elements of electric arc plasma systems for thermochemical fuel preparation
Authors: Romanova Viktoria V. , Batukhtin Andrey G. , Khromov Sergey V. , Suslov Konstantin V.
Published: September 2024

The work is devoted to the study of the influence of the quality of electrical energy on the service life of electrodes of plasma thermochemical fuel treatment systems used in thermal power plants running on coal fuel. The issues of moving the near-electrode plasma section using magnetic wave scanning are discussed in detail. The ANSYS Maxwell software was used as the main research tool. The computer simulation was performed with the following main experimental parameters: the coefficient of asymmetry in the zero sequence (K0U) is 2% and 4%; the coefficient of asymmetry in the negative sequence (K2U) is 2% and 4%; the voltage deviation dU(+) is 5% and 10%; the materials used for manufacturing electrodes: copper (Cu), a pseudo-alloy of tungsten, nickel and copper – (W + Ni + Cu), a pseudo-alloy of molybdenum, tungsten and copper – (Mo + W+ Cu). Based on the obtained simulation results, graphical representations of changes in the trajectories of the near-electrode plasma section under various distorting factors, dependences of changes in the values of specific erosion of various electrode materials, graphical dependences of changes in the service life of electrodes of plasma systems are constructed. The studies performed using computer modeling based on the ANSYS Maxwell software product made it possible to quantify the effect of voltage distortions on the trajectory of the near-electrode plasma section and, consequently, the service life of the plasmatron electrodes. In particular, in the course of the study, a detailed assessment and analysis of the degree of influence of the following indicators of electrical energy quality was performed: the coefficients of asymmetry in the negative and zero sequence, voltage deviations on the operation and technical condition of the electrodes of plasma systems. The results of the study were discussed, and recommendations were formulated for the use of plasma thermochemical fuel preparation systems used at thermal power plants to ignite the fuel of pulverized coal boilers.
Mangosteen Peel Extract vs Tetracycline Gel in Treatment of Periodontal Abscess in Type-2 Diabetes – A Randomized Clinical Trial
Authors:   Department of Periodontics and Implantology, Vishnu Dental College, Bhimavaram, India, Ramesh KSV , Joshna Itha ,   Department of Periodontics and Implantology, Vishnu Dental College, Bhimavaram, India, S Penmetsa Gautami ,   Department of Periodontics and Implantology, Vishnu Dental College, Bhimavaram, India, NVS Sruthima Gottumukkala ,   Department of Periodontics and Implantology, Vishnu Dental College, Bhimavaram, India, Mohan Kumar Pasupuleti ,   Department of Periodontics and Implantology, Vishnu Dental College, Bhimavaram, India, Anusha Boddeda ,   Department of Periodontics and Implantology, Vishnu Dental College, Bhimavaram, India, Valli Sathya ,   Department of Periodontics and Implantology, Vishnu Dental College, Bhimavaram, India
Published: October 2024

Herbal products are gaining popularity due to their diverse biological action and safety. Mangosteen peel extract has antibacterial and anti-inflammatory properties and can be used to treat periodontal diseases. Objective: To compare the efficacy of mangosteen peel extract and tetracycline gel as an adjunct to non-surgical management of periodontal abscess in type-II diabetes patients. Methods: This was a double blinded, randomized clinical trial included 20 Patients with Type-II diabetes. Both test and control groups received NSPT followed by adjunctive local application of mangosteen peel extract and tetracycline gel. Clinical parameters i.e., Probing depth (PPD), Clinical attachment level (CAL), Bleeding Index (BI) and Landry’s healing index (HI) were evaluated at base line and 1 month. Results: In intra and intergroup analysis, both the test and control groups had a better reduction in PPD, BI and CAL with a statistical significance. However, there was no statistical significance between the groups in healing index and showed no change in patient perception in both the groups. Conclusion: 4% mangosteen gel has significantly reduced the BI and PPD with increased CAL and acceptable subjective perception with no recurrence of periodontal abscess over the traditionally used tetracycline gel.
Chemical analysis of Viloa odorata L. (Fam. Violaceae) and the efficacy of its essential oil against some stored product insects
Authors: El-Talpanty Doaa M. , Khalil Fatma Mohamed Ameen , Abouelatta Ahmed M. , Hafez Yaser , Abdelaal Khaled , Alkot Walaa
Published: September 2024

The current experiment was carried out to assess the insecticidal activity of sweet violet (Viola odorata) essential oil against three major stored product insects (Tribolium castaneum, Rhyzopertha dominica and Sitophilus oryzae). The chemical composition of sweet violet essential oil in different cuts (first, second and third cut) of V. odorata grown in Al-Gharbia governorate, Egypt was determined. For the first cut, 73.825 % linolenic acid was the main component, while for second cut, 61.000 % linolenic acid was the main component and for the third cut, the main component was 75.419 % linolenic acid. The biomass yield was changed on different cuts. In the first cut, the yield was 15.500 ton/acre while it was 10.300 and 6.800 ton/acre for the second and the third cut respectively. In mixing with medium experiment, Triboleum castaneum was the most tolerant insect against violet absolute essential oil while after one day of exposure Rhizobirtha dominica was the most sensitive insect with LC50 of 53730 mg/kg. After 24 h of exposure in thin film experiment, R. dominica was found to be the most sensitive insect with LC50 of 475 mg/L. At the highest concentration (15000 mg/kg) there were no emerged adults for T. castaneum and S. oryzae while there were a mean of 0.33 emerged adults for R. dominica. The reduction was 100 % at the highest concentration for S. oryzae and T. castaneum while it was 99.53 % for R. dominica.
Acute and sub-chronic oral GLP toxicity of Withania somnifera root extract in Sprague Dawley rats
Authors: Wangikar Pralhad , Chaudhari Pradhnya , Sharma Eshita , Godse Chhaya , Vora Ashit , Nair Sujit
Published: October 2024

Objectives

Withania somnifera (WS) is a valuable medicinal plant that has been used against several ailments. The medicinal properties of WS are ascribed to existence of secondary metabolites which are in great demand in herbal nutraceutical industry. Despite well-known therapeutic effects of WS, it is necessary to assess preclinical toxicity of WS plant on rats and further explore its potential application against treatment of various disorders in humans. The existing study assessed oral acute and sub-chronic toxicities of WS root extract in Sprague Dawley (SD) rats (male and female) for 14 and 90 days, respectively under OECD-423 and -408 guidelines as well as GLP compliance.

Methods

In acute toxicity, rats of either sex were orally fed a dose of 2,000 mg/kg. In sub-chronic toxicity, animals were orally administered repeated doses of WS root extract at 250, 500, 1,000 mg/kg for 90 days with an additional 14-day recovery period. Two more groups (n=5 animals each) receiving vehicle and 1,000 mg/kg of WS root extract for 90 days were also observed.

Results

In acute toxicity, the results revealed that LD50 of WS root extract in SD rats was higher than 2,000 mg/kg. In sub-chronic toxicity, oral administration of extract for 90 days showed no significant toxicological changes in rats. Haematological and serum chemistry markers were found within normal range. Terminal necropsy showed no gross or histopathological outcomes.

Conclusions

The no-observed-adverse-effect level (NOAEL) of WS root extract was 1,000 mg/kg body weight, and safe to use at this dose in rats.
New Lyapunov stability theorems for fractional order systems
Authors: Lenka Bichitra Kumar , Upadhyay Ranjit Kumar
Published: October 2024

Random initial-time placed on the real line enables the evolution of the governing law defined by the Caputo derivative, which represents an equation of motion and enables the motion of the path of trajectories to many different unknown places. In order to track them to reach desired locations with or without technology, it is often necessary to use some sound, reasonable theory to understand the motion of evolution. In particular, a very challenging goal is to find reasonable conditions and Lyapunov theorems that provide potential significance to obtain reasonable conclusions about symbolic V-stability. In this paper, we address some new Lyapunov stability theorems for real-order systems associated with random initial time placed on the real axis. We introduce ideas of V-asymptotic stability and V-stability and formulate Lyapunov stability theorems. A typical inequality that we establish to find Lyapunov functions in such systems has been proposed. We develop a theoretical estimate that gives the Mittag–Leffler bound of such systems under reasonable assumptions. We present a few illustrative examples.
First record of the grand leaf-nosed bat, Hipposideros grandis (Hipposideridae), from Bangladesh
Authors: Aziz Mohammad A. , Hossain Md M. , Marma Aung S.N. , Rahman Md A. , Hamza Ameer , Rahman Mohammad A. , Naznin Sumaiya , Abedin Muhammad S.
Published: October 2024

We report the first record of the grand leaf-nosed bat, Hipposideros grandis, from a cave in the Chittagong Hill Tracts of Bangladesh. We confirmed its identity using morphometric and molecular analyses. This study enhances the number of national bat fauna and underscores the importance of comprehensive bat surveys in Bangladesh.
Sentiment Analysis on Twitter Social Media Regarding Covid-19 Vaccination with Naive Bayes Classifier (NBC) and Bidirectional Encoder Representations from Transformers (BERT)
Authors: Saputra Angga Riski Dwi , Prasetiyo Budi
Published: October 2024

Abstract. The Covid-19 vaccine is an important tool to stop the Covid-19 pandemic, however, there are pros and cons from the public regarding this Covid-19 vaccine.
Purpose: These responses were conveyed by the public in many ways, one of which is through social media such as Twitter. Responses given by the public regarding the Covid-19 vaccination can be analyzed and categorized into responses with positive, neutral or negative sentiments.
Methods: In this study, sentiment analysis was carried out regarding Covid-19 vaccination originating from Twitter using the Naïve Bayes Classifier (NBC) and Bidirectional Encoder Representations from Transformers (BERT) algorithms. The data used in this study is public tweet data regarding the Covid-19 vaccination with a total of 29,447 tweet data in English.
Result: Sentiment analysis begins with data preprocessing on the dataset used for data normalization and data cleaning before classification. Then word vectorization was performed with TF-IDF and data classification was performed using the Naïve Bayes Classifier (NBC) and Bidirectional Encoder Representations from Transformers (BERT) algorithms. From the classification results, an accuracy value of 73% was obtained for the Naïve Bayes Classifier (NBC) algorithm and 83% for the Bidirectional Encoder Representations from Transformers (BERT) algorithm.
Novelty: A direct comparison between classical models such as NBC and modern deep learning models such as BERT offers new insights into the advantages and disadvantages of both approaches in processing Twitter data. Additionally, this study proposes temporal sentiment analysis, which allows evaluating changes in public sentiment regarding vaccination over time. Another innovation is the implementation of a hybrid approach to data cleansing that combines traditional methods with the natural language processing capabilities of BERT, which more effectively addresses typical Twitter data issues such as slang and spelling errors. Finally, this research also expands sentiment classification to be multi-label, identifying more specific sentiment categories such as trust, fear, or doubt, which provides a deeper understanding of public opinion.
Analysis Of The Use Of Nazief-Adriani Stemming And Porter Stemming In Covid-19 Twitter Sentiment Analysis With Term Frequency-Inverse Document Frequency Weighting Based On K-Nearest Neighbor Algorithm
Authors: Fikri Muhammad , Abidin Zaenal
Published: October 2024

Abstract.
This system was developed to determine the accuracy of sentiment analysis on Twitter regarding the COVID-19 issue using the Nazief-Adriani and Porter stemmers with TF-IDF weighting, along with a classification process using K-Nearest Neighbor (KNN) that resulted in a comparison of 48.24% for Nazief-Adriani and 48.24% for Porter.
Purpose: This research aims to determine the accuracy of the Nazief-Adriani and Porter stemmer algorithms in performing text preprocessing using a dataset from Indonesian-language Twitter. This research involves word weighting using TF-IDF and classification using the K-Nearest Neighbor (KNN) algorithm.
Methods/Study design/approach: The experimentation was conducted by applying the Nazief-Adriani and Porter stemmer algorithm methods, utilizing data sourced from Twitter related to COVID-19. Subsequently, the data underwent text preprocessing, stemming, TF-IDF weighting, accuracy testing of training and testing data using K-Nearest Neighbor (KNN) algorithm, and the accuracy of both stemmers was calculated employing a confusion matrix table.
Result/Findings: This study obtained reasonably accurate results in testing the Nazief-Adriani stemmer with an accuracy of 50.98%, applied to sentiment analysis of COVID-19-related Twitter data using the Indonesian language. As for the accuracy of the Porter stemmer, it achieved an accuracy rate of 48.24%.
Novelty/Originality/Value: Feature selection is crucial in stemmer accuracy testing. Therefore, in this study, feature selection is carried out using the Nazief-Adriani and Porter stemmers for testing purposes, and the accuracy data classification is conducted using the K-Nearest Neighbor (KNN) algorithm
Editorial Board and Table of Contents
Authors: Pšibilskis Vygintas Bronius
Published: October 2024

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The Incidence and Risk Factors of Refeeding Syndrome-like Hypophosphatemia in Inflammatory Bowel Disease: A Preliminary Study
Authors: Ozer Nurhayat Tugra , Can Sezgin Gulten , Sahin Ergul Serap , Gunes Sahin Gulsah , Yurci Mustafa Alper , Guven Kadri , Gundogan Kursat
Published: September 2024

Background and Aims: Refeeding syndrome (RFS) is defined by the presence of acute electrolyte disturbances, including hypophosphatemia. Underlying disease(s), malnutrition and hospitalisation are known risk factors for RFS. It can occur in patients with inflammatory bowel disease (IBD). We aimed to determine the frequency of hypophosphatemia and the relationship between hypophosphatemia, disease severity and nutritional status in hospitalized patients with IBD.
Methods: This study was performed prospectively in hospitalized adult patients for the treatment of IBD in a tertiary-care hospital. Disease severity was assessed using Truelove and Witts score for ulcerative colitis (UC) and Crohn‘s Disease Activity Index for Crohn’s disease (CD). Nutritional status was determined using Subjective Global Assessment (SGA). Serum phosphate concentration was recorded for first 7 days after hospitalization, and less than 0.65 mmol/l was defined as hypophosphatemia.
Results: Fifty participants (33 with UC and 17 with CD) were included in the study. The mean age of the study sample was 43.4±14.9 years, of which 64% were male. A total of 8.8% of patients with UC and 37.5% of patients with CD had severe (>moderate) disease upon study admission. Seventeen patients (34%) were malnourished. During the 7 study days, 23 participants (46%) had at least one episode of hypophosphatemia. Serum phosphate concentration was significantly and moderately correlated with serum potassium concentration in both the patients and the hypophosphatemia group on study day 3 (p<0.05). Multivariate logistic regression analysis showed that the presence of malnutrition [odds ratio (OR) = 3.64, 95% confidence interval (CI): 1.52-5.58, p=0.008), the administration of parenteral nutrition (OR=2.91, 95%Cl: 1.37-4.63, p=0.015), and severe IBD (OR=1.74, 95%CI: 1.03-3.42, p=0.020) were associated with hypophosphatemia.
Conclusions: Approximately half of the participants exhibited at least one instance of hypophosphatemia during the study period. Hypophosphatemia was found to be associated with malnutrition, parenteral nutrition, and severe disease in patients with IBD requiring hospitalization.
ВПЛИВ ІНСТИТУЦІОНАЛЬНИХ ТРАДИЦІЙ НА РОЗВИТОК ІНСТИТУТУ РОЗПОРЯДНИКА КОШТІВ В УКРАЇНІ
Authors: ЖИБЕР Тетяна , ТИМЧЕНКО Олена , СЛАВКОВА Алла
Published: October 2024

Досягнення цілей сталого розвитку і забезпечення суспільного добробуту потребують виважених підходів, обґрунтованих рішень щодо розпорядження бюджетними коштами. Особливо гостро це питання постає під час війни, коли посилюються вимоги до розпорядників бюджетних коштів стосовно якісного виконання покладених на них повноважень у бюджетному процесі, забезпечення раціонального і ефективного використання ресурсів, результативного виконання бюджетних програм.
Констатовано, що непоодинокими залишаються випадки порушення розпорядниками бюджетних кошів бюджетного законодавства, розкрадання, недотримання своїх обов’язків перед громадами. Отже, виникає потреба з’ясувати глибинне коріння цих проблем, серед яких, за нашою гіпотезою, інституціональні традиції.
 Виявлено вплив стійких інституціональних правил на поведінку розпорядників коштів і обґрунтовано пропозиції з удосконалення інституту розпорядника коштів в Україні з урахуванням цього фактора. Встановлено, що, згідно із світовим досвідом, інститут розпорядника повністю спирається на децентралізацію повноважень для ефективного отримання результатів. Розпорядники коштів мають свободу оперативного управління своїм бюджетним призначенням, свободу інформаційних впливів на зміст показників своєї діяльності без вказівок згори. Показано, як цю концепцію викривила українська практика бюджетування перших двох десятиріч незалежності. Розпорядники не дістали достатньої суб’єктності для повноцінного мікробюджетування мереж, відповідно, не можуть організувати свою діяльність на середньострокову перспективу. Для виправлення цієї ситуації запропоновано: 1) залишити інституцію розпорядника коштів керівникам публічних одиниць – головам територіальних громад, спеціальним посадовим особам агенцій, що реалізують проєкти за власні й бюджетні кошти, керівникам публічних одиниць на кшталт закладів вищої освіти державної та комунальної форм власності; 2) розмежувати складання бюджетних призначень заради результату на засадах підзвітності й власні доходи організацій розпорядників. Це підвищить ефективність розпорядників коштів і сприятиме запровадженню середньострокових бюджетів.
Perioperative Quality Improvement in Children’s Hospitals Neonatal Consortium NICUs
Authors: Bartman Thomas , Joe Priscilla , Moyer Laurel
Published: October 2024

Infants admitted to NICUs in children’s hospitals represent a different population than those in a traditional birth hospital. The patients in a children’s hospital NICU often have the most complex neonatal diagnoses and are cared for by various subspecialists. The Children’s Hospitals Neonatal Consortium is a collaborative of more than 40 NICUs that collect data and perform quality improvement (QI) work across the United States and Canada. The collaborative’s database provides an opportunity to benchmark clinical outcomes for this specialized population and to support the QI efforts. In this review, we summarize the success of individual collaborative QI projects focused on improving the care of the neonate in the perioperative period related to clinical team handoffs, postoperative hypothermia prevention, and improvement of postoperative pain management. The collaborative’s experience can serve as a model for other national collaboratives seeking to support QI efforts.
Delivery Room Management of Infants with Surgical Conditions
Authors: Wild K. Taylor , Ades Anne M. , Hedrick Holly L. , Heimall Lauren , Moldenhauer Julie S. , Nelson Olivia , Foglia Elizabeth E. , Rintoul Natalie E.
Published: October 2024

Delivery room resuscitation of infants with surgical conditions can be complex and depends on an experienced and cohesive multidisciplinary team whose performance is more important than that of any individual team member. Existing resuscitation algorithms were not developed for infants with congenital anomalies, and delivery room resuscitation is largely dictated by expert opinion extrapolating physiologic expectations from infants without anomalies. As prenatal diagnosis rates improve, there is an increased ability to plan for the unique delivery room needs of infants with surgical conditions. In this review, we share expert opinion, including our center’s delivery room management for neonatal noncardiac surgical conditions, and highlight knowledge gaps and the need for further studies and evidence-based practice to be incorporated into the delivery room care of infants with surgical conditions. Future research in this area is essential to move from an expert-based approach to a data-driven approach to improve and individualize delivery room resuscitation of infants with surgical conditions.
Brief Resolved Unexplained Event: Evidence-Based and Family-Centered Management
Authors: Nama Nassr , DeLaroche Amy , Bonkowsky Joshua L. , Gremse David , Tieder Joel S.
Published: October 2024

Brief resolved unexplained events (BRUEs) are frequently encountered in infants younger than 1 year. By definition, these events require the infant to be asymptomatic and at baseline at the time of presentation, with no significant abnormalities on examination and no discernible explanatory diagnosis. Research has shown that less than 5% of BRUE cases are attributable to serious underlying conditions, with no increased mortality risk and no increased risk of sudden infant death syndrome. Despite these findings, approximately 63% of patients with BRUEs are hospitalized and up to 82% undergo diagnostic tests, which predominantly result in false-positive findings. Such results may lead to unnecessarily prolonged hospital stays, additional tests or consultations, and increased parental anxiety. The management of a patient who has experienced a BRUE can be challenging for providers and parents alike. Although risk is known to be low in these infants, providers may be compelled to explain the event and provide reassurance. Caregivers oftentimes are concerned that the events may reoccur and be a harbinger of a missed diagnosis. Shared decision-making can be used to explain risk and the benefit of additional testing and hospitalization. This family-centered strategy can align care with the family’s values, provide reassurance, and decrease decisional conflict.
La influencia de la tecnología en el liderazgo global: amplificando habilidades y capacidades en un entorno empresarial digitalizado
Authors: Muñoz Garro Edward
Published: October 2024

Este artículo se ha llevado a cabo con el objetivo de examinar la influencia de la tecnología en el liderazgo global en entornos empresariales digitalizados, centrándose en cómo las nuevas tecnologías amplifican las habilidades de los líderes y transforman su rol, contribuyendo así al éxito de las organizaciones a nivel global. Utilizando un enfoque cualitativo y un análisis teórico, se ha buscado comprender la relación entre resistencia al cambio, transformación digital y liderazgo global en entornos empresariales digitales, aplicando teorías como el Modelo de adopción de innovaciones de Everett Rogers, la Teoría del cambio organizacional de Kurt Lewin y el Modelo de liderazgo transformacional de Bernard Bass. Los resultados principales resaltan que la inteligencia artificial y la automatización tienen un impacto significativo en el mundo laboral, ofreciendo eficiencia y precisión, pero también plantean desafíos como la posible pérdida de empleos y la necesidad de desarrollar nuevas habilidades. En conclusión, se destaca la importancia de que los líderes comprendan y se adapten a los cambios tecnológicos, desarrollen habilidades digitales, promuevan la inteligencia emocional y consideren aspectos éticos en la implementación de tecnologías de inteligencia artificial, para liderar con éxito la transformación digital en las organizaciones en la era de la automatización y la inteligencia artificial.
Emergency Department Visits with an Influenza Test Ordered or Provided: United States, 2013-2022
Authors: Schappert Susan , Santo Loredana
Published: September 2024

This report provides health data from the National Center for Health Statistics.
Symptoms of Anxiety and Depression Among Adults: United States, 2019 and 2022
Authors: Terlizzi Emily , Zablotsky, Benjamin Benjamin
Published: September 2024

This report provides health data from the National Center for Health Statistics.
Measuring Progress Toward Target Attainment and the Elimination of Health Disparities in Healthy People 2030
Authors: Huang David , Uribe Allan , Makram Talih
Published: September 2024

This report provides health data from the National Center for Health Statistics.
Kulturarv som resurs i socialt hållbar stadsutveckling: En gestaltad livsmiljö för framtiden
Authors:   , Söderström Ulrika
Published: October 2024

Claiming that cultural heritage must be preserved for sustainable urban development and for the benefit of future generations is common practice in cultural heritage management and urban planning. But when cultural heritage is used as a resource in urban transformation processes, do current heritage practices, including archaeology, promote the socially sustainable urban futures they aim to achieve? This research aims to generate new knowledge on how Swedish contract archaeology can contribute to sustainable urban development and goodliving environments in an informed and innovative manner. By adopting a broad perspective, I explore how cultural heritage is utilized as a resource in urban transformation and design processes to promote social sustainability. Employing an interdisciplinary theoretical framework, I examine how the social sustainability effects of current heritage practices, including archaeology, affect sustainable futures making. The research includes three case studies on urban transformation: the Caroli quarter in Malmö (1967–1973), the Valnötsträdet quarter in Kalmar (2008–2018), and the ongoing transformation of Kiruna town. The results highlight how contradictions between legislation's focus on the past and cultural and urban planning's future-oriented goals institutionalize ideas about cultural heritage value and the perception that preservation is a sustainable heritage practice in itself. Consequently, archaeology is rarely seen as a process or practice that promotes social sustainability. Instead, focus is on the value of the built historic environment and stories about the past, assuming that using these elements in development and design processes will promote present and future sustainability values, such as attractiveness, security, social cohesion, and collective identities. However, the results show that expected social sustainability goals are rarely met due to a lack of citizen participation and a lack of understanding of what is required to achieve these goals in the present and for the imagined futures. I argue that to effect change, it is necessary to explore futures literacy in theory and practice, deepen comprehension of how archaeology and heritage practices contribute to social value, and broaden participation in discussions and decisions regarding how cultural heritage can be used as a resource in urban development processes.
Evidence of War on the Settlements of a Scythian Era in the Middle Don Region
Authors: Razuvaev Yuriy
Published: September 2024

Introduction. Two groups of people, differing in social status and material culture, occupied the middle part of the Don basin, representing the eastern edge of the Forest-Steppe Scythia, in the 6th – 3rd centuries BC. One is known from the few barrow necropolises, the materials of which characterize the nomadic and highly militarized way of life of the people buried there. The other one united sedentary farmers and cattle breeders, whose hillforts and not-strengthened settlements show evidence of predominantly peaceful occupations. Methods and materials. The article systematizes data to give an idea of the role of war in the lives of the main part of the population of the Don Forest Steppe. On 22 household monuments, only 77 objects of offensive arms (mainly arrowheads) and even fewer details of the equipment of the soldier rider are found. In the settlements of cemetery funeral complexes, the finds of weapons are single. Particular attention is deserved by the traces of fire recorded in defensive shafts in 25 hillforts. Analysis. Judging from the archaeological context, only some of the settlement finds were related to military clashes. Some things were part of the cult complexes. Fires, which led to the destruction and subsequent radical strengthening of fortifications, clearly occurred due to a few but catastrophic conflicts. Results. Clashes in the settlements of the Don Forest Steppe occurred episodically throughout the era and were obviously associated with periods of instability in Scythia. However, the sedentary population of the region was only to a small extent involved in the conflict processes of the past.