bluuebunny/crossref_metadata_2025_split huggingface dataset:
A Novel Design of 1 × 3 Optical Splitter Based on 2D Photonic Crystal
Authors: Shukla Anil Kumar , Gandhi Bani , Pandey Girijesh Narayan 
Published: February 2023

AbstractDesign of the optical devices is an important matter of discussion in the present scenario where optical devices have become ultra‐compact due to miniaturization, ultra‐speed with the integration of optoelectronic devices. In this paper a 1 × 3 2D photonic crystal based on optical beam‐splitter has been designed on OptiFDTD for TE polarized light. The wafer is of the dimensions of 21 µm × 15 µm in length and width, respectively. The design works at the wavelength of 1.55 µm, and the mode is selected to be the Gaussian Modulated Continuous Wave (GMCW). The design is based on the 2D Hexagonal lattice, where the elliptical Si‐rods are placed in the air. This splitter prototype consists of one input and three outputs with the split ratio as 60:20:20. This refers to the first output port has 60% power of the transmitted signal, and the second and the third output ports have 20% power of the input. The structure is implemented using OptiFDTD software. It utilizes Finite Domain Time Difference (FDTD) numerical method to analyze the transmission spectra of the structure, and the Plane Wave Expansion (PWE) method is utilized to calculate the photonic bandgap of the prototype.
An Investigation in the Binary Mixture of N‐Butyl Acetate with CCl4 using Ultrasonic Techniques
Authors: Lancy Irudaya Sahaya , P. Padmavathi , Gopal A. Mathana , Pandey Krishna Kumar , J. Poongodi 
Published: February 2023

AbstractUltrasonic velocity measurement marks its significance in industry, medicine, material testing, and cleaning. In recent times it has been applied to process monitoring and material characterization. Ultrasonic velocity in cohesion with density and viscosity data, furnish sufficient and satisfactory information about the interactive behavior between ions, dipoles, multi‐polar dispersion forces, H‐bonding, and elastic forces. The ultrasonic velocity, density, and viscosity have been recorded at varying temperatures, that is, 308, 313, 318, 323, 328, and 333 K for the binary system of N‐Butyl Acetate with CCl4. Various acoustical parameters such as Adiabatic Compressibility (β), Intermolecular Free Length (Lf), Free Volume (Vf), Internal Pressure (πi), Acoustic Impedance (Z), Enthalpy (H), Gibbs Free Energy (∆G) are determined from the experimental data. The results are interpreted on the approach of molecular interactions between the binary mixtures.
Evaluation of Sound Velocity and Molar Refraction in Binary Liquid Mixtures through Ultrasonic Measurement
Authors: P Padmavathi , Gopal A Mathana , Lancy A Irudaya Sahaya , Pandey Krishna Kumar , J Poongodi , Fernando Jessie 
Published: February 2023

AbstractIn this present work, the molecular interaction of the binary liquid mixture has been elucidated using ultrasonic technique. The recorded values of ultrasonic velocity (u), density (ρ), viscosity (η), and refractive index (n) for the experimented binary liquid mixtures of Ethanol with Benzene at 303 K are used to calculate the derived parameters such as adiabatic compressibility (βa), free length (Lf), acoustic impedance (Z), free volume (Vf), molar volume (Vm), internal pressure (πi), relaxation time (τ), Enthalpy (H), Electronic polarization (ε), Molar refraction (Rm), and the experimentally determined ultrasonic velocity have been compared with the with the computed values using different analytical models and empirical relations such as Nomoto's Theory (NOM), Free Length Theory (FLT), and Van Dael‐Vangeal theory (VDV). The results are interpreted and reported to explain the behavior of benzene with ethanol.
Synthesis of Novel CuO–Gelatin Nanofluids Using Ultrasonic Technique
Authors: Arunachalam Mathana Gopal , Paulraj Padmavathi , Sreedharan Irudaya Sahaya Lancy , Pandey Krishna Kumar , Jawaharlal Poongodi , C. James 
Published: February 2023

AbstractNanofluid molecular properties, such as acoustical properties, vary widely in system parameters and are influenced by liquid cohesive characteristics. Gelatin is a natural polymer made from the partial hydrolysis of collagen, which allows the triple helix to unfold and split, resulting in a polydisperse mixture of proteins in solution. The use of ultrasonic technology to create nanoparticles from biopolymer base fluids is a novel method of nanofluid synthesis. The focus of this research is to measure the ultrasonic velocity and density of synthesized nanoparticles using gelatin as the base fluid at various weight percentages. The study have synthesized the Copper oxide (CuO) nanofluid by transforming an unstable Cu(OH)2 to CuO as a precursor in aqueous gelatin by ultrasonication process. To characterize the prepared nanoparticles, the XRD and FESEM methods are used. The results of ultrasonic velocity, density, and viscosity measurements are discussed after ultrasonication. Experimental data and a theoretical approach to nanofluids are used to study the stability of nanofluids. The outcomes of ultrasonic spectroscopy and other investigations are very similar.
Magnetodielectric Comparison Study Between Microwave and Conventional Sintered NiCuZn Ferrites
Authors: Ramesh Thotakura , Sravanthi Basireddy , Ashok Kollu , Bhaskar A. , Polu Anji Reddy 
Published: February 2023

AbstractNi0.53Cu0.12Zn0.35Fe2O4 ferrite powder is synthesized using the microwave‐assisted hydrothermal (M‐H) technique. The synthesized powder is characterized using X‐ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). The morphology of the powder particles is examined using field effective scanning electron microscopy (FESEM). The powder is then sintered using microwave and conventional methods at 910°C/1.5 h and 910°C/4 h, respectively. The grain size, bulk density, d.c. resistivity, and saturation magnetization of both the sintered samples are measured and compared. The dielectric properties of both the sintered samples are measured at frequencies ranging from 1 MHz to 1.8 GHz. The research indicates that the sintering process has an impact on the magnetodielectric performance of ferrites. The change in properties resulting by the sintering method is briefly reviewed.
The Changing Role of Learning Resource Centre in Providing ICT Based Services during the Covid‐19 Pandemic
Authors: Shrivastava Satish Kumar , Alam Rahat , Pandey Shri Prakash , Babel Praveen 
Published: February 2023

AbstractThe current study focuses on the numerous duties of “Academic Learning Centres” within the context of the Covid‐19 pandemic. The Novel Corona Virus pandemic has created new problems for all stakeholders inside the education system. Given the extrinsic obstacles of delivering services during a public health crisis, the unexpected emergence of the virus pushed libraries to migrate to digital platforms whenever possible and deliver acceptable remote services to users. The purpose of this study is to discover how technology became an impediment for India's best educational institutes during the Covid‐19 situation. The current article assists library professionals in improving their skill set in accordance with things and serving information as a responsible citizen of the country.
Structural and Thermal Property of Poly (Methyl Methacrylate) (PMMA) and Polystyrene (PS)/Ethylene Glycol Intercalated Fe2+/Fe3+ LDH Composite
Authors: Gupta Pankaj , Panghal Sonika , Sahni Mohit 
Published: February 2023

AbstractThe PMMA and PS composite with ethylene glycol intercalated Fe2+/Fe3+ LDH have been synthesized by in situ polymerization method using benzoyl peroxide as an initiator. The structural analysis of composite materials has been identified by powder X‐ray diffraction pattern which is further confirmed by SEM images. TGA and DTG analysis has confirmed the thermal stability of composite as compare to the neat polymer.
Simulation Study to Enhance the Efficiency of Switching Devices using the Combinations of Diodes in Various Networks
Authors: Tiwari Satyendra Nath , Khadarabad Ghouse Mohiuddin , Pandey Shri Prakash , Pandey Anoop Kumar , Singh Vijay 
Published: February 2023

AbstractIn this communication, PSpice simulation software is used to design and characterize reverse biasing modes in series and parallel combinations. Using multiple diodes of similar types, how the breakdown voltage and power dissipation vary in parallel and series modes in reverse bias is investigated. In this paper, correlation equations and correlation factors between voltage and current in both series and parallel combinations using n = 1‐5 diodes in reverse bias are also found. The second‐order correlation equation between voltage and current provides a new way for designing new networks of PN junction diodes for better power gain. The mathematical formulation for applied voltage and average current of n = 1‐10 diodes in parallel and series combinations is also calculated, which can help researchers to design new network circuits for switching devices in the electronics industry.
Acridine as Bioinspired Corrosion Inhibitors
Authors: Bhati Kajol , Tripathy Divya B. , Gupta Anjali 
Published: February 2023

AbstractMild steel has been considerably exploited in various manufacturing and commercial fields due to its tremendous mechanical performance. However, mild steel's high susceptibility to corrosion under acidic conditions leads to vast economic losses and environmental consequences. Inhibitors used for steel corrosion in the acidic medium are ordinarily polar heteroaromatic molecules with electronegative atoms. Acridines are one type of inhibitor with several advantages, such as heteroatoms, functional groups and their polarity, double bond conjugation, and importantly efficient and non‐hazardous synthetic routes. The polar moieties of such inhibitors are considered to augment their adsorption on steel surface, thus creating a shielding to inhibit steel corrosion. Acridine analogs are N‐heterocyclic organic compounds that can be easily produced owing to impeccable inhibition capacity. The current review discusses the chemistry, synthesis, corrosion inhibition mechanism, and properties of acridines and their derivatives.
Materials under Inflation: An Optimal Supply Policy Model
Authors: Arora Ragini , Gupta Sangeeta , Srivastav Sweta 
Published: February 2023

AbstractThe continuous analysis model is extended in this paper to allow cost and demand values to be computed by a time‐lapse log concave function that meets network criteria for materials. Failure costs, insufficient maintenance costs, and replenishment costs are all deemed lower than capital costs, depending on the size of the lot for materials. Damage occurs at a degree that is independent of time. A backlog phase is allowed in the model. The backlog is being reduced at a steady pace. In this scenario, results that confirm the existence of an optimal policy and a testing algorithm are demonstrated. The survey system's overall cost is also demonstrated to be proportional to the number of refills. As a result, the ideal number of refills is determined using a solution method. The result is verified with the help of a numerical example.
A 500 km Long Transmission with Coherent Optical OFDM Using Dual Polarization Quadrature Phase Shift Keying (QPSK) and Double Sideband Suppressed‐Enhanced Carrier (DSS‐EC)
Authors: Sachdeva Shippu , Sindhwani Manoj , Kaur Rosepreet , Singh Palvinder , Sachdeva Amit 
Published: February 2023

AbstractCoherent optical orthogonal frequency division multiplexing (CO‐OFDM) systems are chosen for this task because of their high spectral efficiency, low inter‐symbol interference (ISI), low intercarrier interference (ICI), robustness against chromatic dispersion (CD), and high nonlinearity interference tolerance (HNIT). The DSS‐EC technique is utilized in this study to investigate a high‐speed 100 Gbps CO‐OFDM with a QPSK encoder over a 500 km uncompensated connection distance. The proposed system is compared to CO‐OFDM‐QPSK and CO‐OFDM‐16QAM systems in terms of log BER at various input optical signal to noise ratios (OSNRs). Results reveal that due to enhanced available bandwidth use of communication channels, the proposed CO‐OFDM‐DSS‐EC‐QPSK system provides minimum log BER at lower input OSNRs while the rest two systems show identical log BER performance at high input OSNRs. Therefore, proposed technique is a prominent solution for future generations high data demands and for a cost‐effective solution due to an uncompensated transmission channel.
Team optimal decentralized estimation by multiple agents with asymmetric information
Authors: Sun Yue , Wang Wei , Xu Juanjuan , Zhang Huanshui 
Published: February 2023

AbstractIn this paper, we are concerned with the team optimal decentralized state estimation problem where the state is transmitted to a remote agent with packet dropouts and is observed by local agents with additive noises. In particular, the information of the remote agent is available to all local agents with hierarchical relationships, which leads to an asymmetric information structure. The main contribution is to derive the analytical expressions for the team optimal decentralized state estimation. Different from the existing decentralized estimation results, the novelty of the paper is to comprehensively investigate the influence of packet dropouts and additive noises, which occur frequently in networked control systems.
Neuroleptic malignant syndrome in fields other than psychiatry
Authors: Shimada Ken , Kase Yutaro , Nakatsuru Makoto , Tanzawa Hideki 
Published: February 2023

AbstractNeuroleptic malignant syndrome (NMS) is an adverse effect of drugs, mainly neuroleptics. It is characterized by problems related to the autonomic nervous system (such as hyperthermia, diaphoresis, and tachycardia) and extrapyramidal symptoms (such as muscle rigidity and tremor). After onset, NMS progresses rapidly and without treatment, becomes life‐threatening. In recent years, NMS has become better recognized, and treatment has improved; most cases are now curable before becoming dangerous. Most NMS reports are from psychiatrists or neurologists; few are from other specialized clinicians. However, nonpsychiatric clinicians, such as surgeons, emergency physicians, orthopedists, and oral surgeons, sometimes must administer neuroleptic drugs. Although NMS is rare, its effects on patients may be debilitating, and this places a heavy burden on clinicians. Thus, not only psychiatrists but also clinicians in various other fields should understand this illness. This article describes NMS in fields other than psychiatry and its diagnosis, risk factors, and treatment strategies.
Computed tomography‐based morphological analysis for intraoral vertical ramus osteotomy in patients with mandibular prognathism
Authors: Kudoh Keiko , Ohe Go , Takamaru Natsumi , Akita Kazuya , Kudoh Takaharu , Kurio Naito , Takahashi Akira , Miyamoto Youji 
Published: February 2023

AbstractAimIntraoral vertical ramus osteotomy (IVRO) is an orthognathic surgery for patients with jaw deformity. To avoid complications associated with IVRO, understanding the position of the mandibular foramen and shape of the mandibular ramus in patients with mandibular prognathism is important, which only few studies have reported. Most studies have been performed with dry skulls of older people without jaw deformity. This study aimed to examine the position and shape of the mandibular foramen and ramus, respectively, using computed tomography in patients with mandibular prognathism.MethodsThe study was performed on 50 Japanese patients who underwent IVRO. We examined the position of the mandibular foramen against the occlusal plane, distance between the posterior border of the mandible and mandibular foramen, and thickness of the mandibular ramus.ResultsThe mandibular foramen was vertically located above the occlusal plane at a distance of 2.6 ± 5.1 and 1.2 ± 5.1 mm in men and women, respectively. The distances between the mandibular ramus and foramen, measured with the posterior border line of the mandibular ramus as a criterion, were 15.9 ± 2.2 and 14.4 ± 2.1 mm in men and women, respectively. The thickest parts of the mandibular ramus were 6.8 ± 1.6 and 6.9 ± 0.9 mm in men and women, respectively.ConclusionKnowledge of the accurate position of the mandibular foramen is important for a safe IVRO. Mandibular ramus osteotomy line should be within 10 mm from the posterior border of the mandibular ramus, to avoid inferior alveolar nerve damage.
Amine oxidase copper‐containing 3 aggravates cardiac remodelling by generating hydrogen peroxide after myocardial infarction
Authors: Zhong Chongbin , Que Dongdong , Yu Wenjie , Chen Deshu , Wang Yuxi , Zhang Xuwei , Rui Bowen , Yang Yashu , Hong Qingqing , Huang Guanlin , Yang Li , Yan Jing , Yang Pingzhen 
Published: February 2023

AbstractAmine oxidase copper‐containing 3 (AOC3) is a member of the semicarbazide‐sensitive amine oxidase enzyme family. It acts as an ectoenzyme catalysing the oxidative deamination of primary amines and generating hydrogen peroxide (H2O2). While AOC3 is implicated in cardiovascular diseases such as atherosclerosis, its role in cardiac remodelling after myocardial infarction (MI) is unclear. In this study, we first confirmed a long‐term upregulation of AOC3 in both cardiac myofibroblasts after MI in vivo and angiotensin II (ANGII)‐treated cardiac fibroblasts in vitro. AOC3 knockdown not only inhibited the activation of cardiac fibroblasts induced by ANGII but also alleviated cardiac fibrosis in mice after MI. Using sh‐AOC3 lentiviruses, exogenous recombinant AOC3 (r‐AOC3), semicarbazide (an AOC3 inhibitor), and catalase (a hydrogen peroxide scavenger) treatments, we also demonstrated that AOC3 promoted H2O2 generation, increased oxidative stress, and enhanced ERK1/2 activation, which were responsible for the activation of cardiac fibroblasts. In particular, AOC3 knockdown also improved cardiac function and hypertrophy after MI. Through a coculture system, we confirmed that AOC3 expressed on cardiac myofibroblasts was able to enhance oxidative stress and induce hypertrophy of cardiomyocytes by promoting H2O2 generation. Similarly, r‐AOC3 promoted H2O2 generation and resulted in oxidative stress and hypertrophy of cardiomyocytes, which were almost inhibited by both semicarbazide and catalase. In conclusion, AOC3 plays a critical role in cardiac fibrosis and hypertrophy after MI by promoting the generation of H2O2. AOC3 is a promising therapeutic target against cardiac remodelling. © 2023 The Pathological Society of Great Britain and Ireland.
Aramid pulp modified with imidazolium ionic liquids as a potential replacement for carbon black in fluorinated rubber composites
Authors: Kerche Eduardo Fischer , Demétrio da Silva Vinícius , da Cruz Joziel Aparecido , Lazzari Lídia Kunz , Neves Roberta Motta , Ornaghi Heitor Luiz 
Published: February 2023

AbstractCarbon black (CB) is the most used reinforcement for the manufacturing of rubber compounds. However, its harmful impact is well known, thus, alternative materials are developed day by day to replace CB. In this paper, aramid pulp (AP), a fibrillated configuration of aramid fibers, was used aiming to manufacture fluoroelastomer copolimer (FKM) composites with similar properties to those fabricated with CB. AP was incorporated at 5 per hundred of rubber (phr) and its physical/mechanical/thermal properties were compared with a commercial formulation (prepared with 30 phr of CB). The FKM/AP compounds presented similar mechanical properties to those of FKM/CB. Moreover, due to the entanglement mechanism for the FKM/AP, higher reinforcement effectiveness (ratio between the glassy and elastomeric modulus) is presented for these composites, compared with those FKM/CB. Ionic liquids (IL) promoted AP defibrillation, which also improved the entanglement of the reinforcement with the polymeric matrix. These features imparted higher dynamic mechanical thermal response and thermal resistance of the composites with AP and IL‐treated AP, compared with those reinforced with CB.
Kaempferol molecularly imprinted polymers: preparation, characterization and application to the separation of kaempferol from ginkgo leaves
Authors: Liang Fangping , Li Wurong , Li Mingao , Li Xican , He Jianfeng , Wu Quanzhou 
Published: February 2023

AbstractIn this work, kaempferol molecularly imprinted polymers (MIPs) were screened in detail and were applied to the separation of kaempferol from real complex systems. Kaempferol‐MIPs with high affinity and selectivity for kaempferol could be prepared successfully by using kaempferol as the template molecule, 4‐vinylpyridine as the functional monomer, ethylene glycol dimethacrylate or divinylbenzene as the crosslinker, acetone or acetonitrile as the solvent. Scanning electron microscopy observation and Brunauer–Emmett–Teller measurement showed that the prepared MIPs had a heterogeneous pore structure and large specific surface area. Static and dynamic adsorption experiments and solid‐phase extraction application were performed to evaluate the performance of the prepared MIPs. Only the MIPs with both higher distribution coefficient and higher imprinting factor in the dynamic experiments had better ability to retain kaempferol. Using the screened MIPs as solid‐phase extraction sorbents, kaempferol and quercetin were extracted directly from the crude ginkgo leaves hydrolysate with high recovery and purity. Control experiments also showed that the screened MIPs were superior to commercially available adsorbents in terms of the separation of kaempferol from crude extracts. © 2023 Society of Industrial Chemistry.
Morphological evolution ofTMB‐5/ethylene–vinyl alcohol copolymer blends under biaxial‐stretching field and its effect on the crystallization and gas barrier properties of isotactic polypropylene
Authors: Luo Shanshan , Liu Nan , He Shengbao , Wang Yanwen , Zhang Li , Song Lu , Huang Shaowen , Li Jian , Gao Chengtao , Li Juan , Sun Jing 
Published: February 2023

AbstractThe morphological evolution of TMB‐5/ethylene–vinyl alcohol (EVOH) copolymer blends under biaxial‐stretching field and its effect on the crystallization and gas barrier properties of isotactic polypropylene (iPP) were investigated. iPP/TMB‐5/EVOH ternary blends with TBM‐5 selectively distributed in the EVOH phase were prepared through a multistage stretching extrusion, which combined an assembly of layer multiplying elements (LMEs) with an extruder. Scanning electron microscopy revealed that the biaxial‐stretching field in LMEs transformed the TMB‐5/EVOH phase into platelets along the extrusion direction. Differential scanning calorimetry and X‐ray diffraction results indicated that the TMB‐5 particles were distributed in the EVOH phase and noβcrystals formed in as‐extruded samples. Especially, the TMB‐5 was released from the EVOH phase into iPP in the annealing process and induced the formation ofβcrystals. Compared with that of pure iPP, the oxygen permeability coefficient of iPP containing aligned TMB‐5/EVOH platelets decreased more than three times. The enhanced barrier properties resulted from the increased tortuosity of the diffusion pathway caused by the orientated high‐aspect‐ratio platelets. © 2023 Society of Industrial Chemistry.