bluuebunny/crossref_metadata_2025_split huggingface dataset:
Rejuvenating Star Formation Activity in an Early-type Dwarf Galaxy, LEDA 1915372, with Accreted H i Gas
Authors: Paudel Sanjaya , Yoon Suk-Jin , Bait Omkar , Sengupta Chandreyee , Zee Woong-Bae G. , Chhatkuli Daya Nidhi , Adhikari Binod , Aryal Binil 
Published: July 2023

Abstract
We report a rare astrophysical phenomenon, in which an early-type dwarf galaxy (dE), LEDA 1915372, is accreting gas from a nearby star-forming dwarf galaxy, MRK 0689, and is rejuvenating star formation activity at the center. Both LEDA 1915372 and MRK 0689 have similar brightness of M

r
= −16.99 and −16.78 mag, respectively. They are located in a small group environment, separated by a sky-projected distance of 20.27 kpc (up to 70 kpc in three dimension), and have a relative line-of-sight radial velocity of 6 km s−1. The observation of 21 cm emission with the Giant Metrewave Radio Telescope provides strong evidence of interaction between the pair of dwarf galaxies in terms of neutral hydrogen (Hi) morphology and kinematics. In particular, the Hi map reveals that the two galaxies are clearly connected by a gas bridge, and the gas components of both LEDA 1915372 and MRK 0689 share a common direction of rotation. We also find that the Hi emission peak deviates from LEDA 1915372 toward its optical blue plume, suggesting a tidal origin of ongoing central star formation. Our findings provide a new path to the formation of blue-cored dEs.
Railways of India. An important stage of modernization is completed – unification of track width
Authors: Zakharov V. B. , Komarov E. E. 
Published: July 2023

India, the Republic of India is a country of one of the world’s oldest civilizations, the largest state in the world by population — 1.42 billion people (end of 2022), occupying an area of over 3 million square kilometers. India, which has accelerated the pace of its socio-economic development in recent decades, is playing an increasingly important role in the international arena every year, including as one of the BRICS organizers. The state railways of India are managed by the Ministry of Railways of India represented by Indian Railways (99 % of the country’s railway network) and are, despite the dominance of motor transport, remain one of the main modes of transport. During the year, the railways of India transport more than 8 billion passengers (2nd place in the world after Japan), the staff of the railways of India will amount to 1.2 million people (the 7th employer in the world). Railway transport in India is developing intensively, in recent years, work has been intensified on the organization of high–speed traffi c on a number of lines of existing railways, the fi rst high-speed railway line Mumbai — Ahmedabad is being built with a normal gauge of 1435 mm with a length of 508 km, designed for a maximum train speed of 350 km/h. The authors of the article have repeatedly visited India, visited various railway enterprises, railway educational institutions — universities and institutes, met with industry leaders at the Ministry of Railways of India, traveled along the country’s railways along a number of routes with a total length of about six thousand km.
A Case Series of Surgically Treated Distal Radius Fractures: Implant Costs and Their Effect on Patient Outcomes
Authors: Doxey Stephen A. , Huyke-Hernández Fernando A. , Robb Jennifer L. , Bohn Deborah C. , Cunningham Brian P. 
Published: July 2023

Introduction:
Distal radius fractures (DRFs) are common injuries, warranting a need to analyze the cost of treatment. The purpose of this study was to analyze the effect of implant costs on patient-reported outcomes in DRFs.

Methods:
A PRO registry was retrospectively reviewed for isolated, surgically treated DRF patients. A total of 140 patients met criteria to be included in this study. Implant cost was obtained from the chargemaster database.

Results:
The average total implant cost was $1,289.67 ± 215.32. The average Patient-rated Wrist Evaluation scores preoperatively, at 6 weeks, and at 12 weeks were 70.8 ± 20.1, 36.6 ± 21.1, and 22.8 ± 18.0, respectively. No statistically significant relationships were observed between cost and Patient-rated Wrist Evaluation scores at 6 weeks or 12 weeks (r = −0.05, P = 0.59; r = −0.04, P = 0.64, respectively). Implant costs were shown to not be affected by fracture complexity (AO/OTA classification: 23A = $1,335.50, 23B = $1,246.86, and 23C = $1,293.14).

Discussion:
The total cost of implants did not influence patient outcomes indicating that patients receive no additional benefit from more costly constructs.
Penggunaan Teori Kognitivisme dalam Proses Pembelajaran di MIN 1 Lebong
Authors: Dewi Nurhayani , Sari Purnama 
Published: July 2023

Teori Perkembangan Kognitif, dikembangkan oleh Jean Piaget, seorang psikolog Swiss yang hidup pada tahun 1896-1980. Teorinya memberikan banyak konsep kunci di bidang psikologi perkembangan dan memengaruhi perkembangan konsep kecerdasan, yang bagi Piaget berarti kemampuan untuk lebih tepatnya mewakili dunia dan melakukan operasi logis pada representasi konsep yang didasarkan pada kenyataan. Teori ini membahas kemunculan dan perolehan skemata tentang bagaimana seseorang memandang lingkungannya dalam tahap perkembangan, ketika seseorang memperoleh cara baru dalam merepresentasikan informasi secara mental. Pada proses pembelajaran di MIN 1 Lebong pembelajaran berbasis kognitivisme ini terlihat dari tindakan yang dilakukan oleh siswa-siswi dan terlihat dari motivasi mereka mengena rasa ingin tahu yang sangat tinggi. Teori ini digolongkan sebagai konstruktivisme, artinya, tidak seperti teori nativisme (yang menggambarkan perkembangan kognitif sebagai munculnya pengetahuan dan kemampuan bawaan), ia berpendapat bahwa kita membangun kemampuan kognitif kita melalui tindakan motivasi diri terhadap lingkungan.
The theory provided many of the key concepts in the field of developmental psychology and influenced the development of the concept of intelligence, which for Piaget meant the ability to more accurately represent the world and perform logical operations on representations of concepts based on reality. This theory concerns the emergence and acquisition of schemata about how a person views the world during the developmental stage, when a person acquires new ways of representing information mentally. This theory is classified as constructivism, meaning that, unlike nativism theory (which describes cognitive development as the display of innate knowledge and abilities), it argues that we build our cognitive abilities through self-motivated actions on the environment.
Analisis Penerapan Enterprise Resource Planning System Pada UMKM Erigo Apparel
Authors: Zai Immanuel , Cerina Cerina , Hartono Kendy Setiawan , Longli Laurentcia , Chen Sweet 
Published: July 2023

Erigo merupakan salah satu perusahaan yang terkemuka di Indonesia, Erigo menjadi salah satu brand Indonesia yang sangat sukses dan terkenal juga di luar negeri.Erigo menjadi salah satu brand yang paling diincar, dikarenakan Erigo selalu sukses mengikuti trand fashion setiap tahunya. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh ERP dari bagian financial pada perusahaan Erigo dalam mengembangkan perusahaan. kemudian faktor – faktor ERP apa saja yang diterapkan di dalam bisnis UMKM Erigo. Mengetahui kriteria penerapan ERP yang diterapkan oleh UMKM Erigo. Jenis penelitiannya adalah penelitian kualitatif, untuk membahas Erigo Apparel ini peneliti menggunakan penelitian kualitatif deskriptif dimana nanti hasil dari penelitian ini akan mendeskripsikan secara sistematis mengapa Erigo dapat berkembang di Amerika Serikat, bagaimana Erigo menerapkan system ERP nya pada masa COVID-19 dan hasil dari analisis ini juga merupakan hasil survey peneliti sebelumnya. Erigo merupakan brand berskala besar yang berpusat di Indonesia yang telah mendapatkan omset sebesar 22 miliar rupiah di tahun 2015 dan pada tahun 2021 Erigo maju ke kelas Internasional mengikuti New York Fashion Week (NYFW) 2022.
Comparison of the effects of amitriptyline, melipramine and fluoxetine on acquisition and spatial alteration of avoidance responses in rats
Authors: Inozemtsev A.N. , Hashimova U.F. , Lovat M.L. , Karpukhina O.V. , Ismayilova Kh.Y. , Rustamov F.E. , Gumbatov S.I. 
Published: July 2023

The effects of amitriptyline (10 mg/kg), melipramine (10 mg/kg), and fluoxetine (5 mg/kg) on the acquisition of conditioned active avoidance responses and their spatial alteration in rats were studied. During the acquisition of avoidance, a passage in the partition was open, adjacent to the rear wall of the shuttle chamber. On the 5th experimental day after the end of the training, this distal opening was closed and the proximal one was opened, after which avoidance performance under changed conditions was tested for 20 trials. Melipramine and amitriptyline accelerated the acquisition of avoidance responses. Changing the location of the opening disrupted the learned skill, especially in the control animals. Melipramine and fluoxetine statistically significantly (in contrast to amitriptyline) accelerated the recovery of the level of avoidance. The positive effect of melipramine and fluoxetine is explained by a psychostimulating component in their spectrum. The inability of amitriptyline to produce a significant effect in this model is due to its psychosedative properties. The data obtained allow us to conclude that the acquisition of the active conditioned avoidance responses and their spatial modification can be used to analyze the antidepressant activity of pharmacological agents.
Particle Size Controlled Chiral Structural Color of Monodisperse Cholesteric Liquid Crystals Particles
Authors: He Jialei , Liu Sizhe , Gao Guohao , Sakai Miki , Hara Mitsuo , Nakamura Yuto , Kishida Hideo , Seki Takahiro , Takeoka Yukikazu 
Published: July 2023

AbstractCholesteric liquid crystals (CLCs) are becoming increasingly popular due to their unique chiral structural color. Unlike ordinary CLCs materials, CLCs particles exhibit angle‐independence, making them particularly noteworthy. However, currently, there are limited effective methods for controlling the structural color of CLCs particles, other than adjusting the concentration of chiral dopants or introducing stimuli‐responsive groups. Here, a scalable and cost‐effective process for preparing monodisperse CLCs particles via dispersion polymerization is reported. By making CLCs into micrometer‐sized monodisperse spheres, the helical pitch of CLCs can be varied according to its particle size, and the resulting structural color hue due to Bragg reflection can also be changed. Covering the CLCs particles with polydimethylsiloxane results in the formation of a polymer dispersed liquid crystals–like structure, which enhances the structural color appearance and thermal stability of the CLCs particles. Additionally, a simple strategy to produce chiral anti‐counterfeiting QR codes is developed. By combining CLCs particles with commercially available pigments, an anti‐counterfeiting QR code that can only be displayed under a specific circular polarizer is created. This approach and resulting CLCs particles expand the modulation of CLCs structural color and enrich the application of structural color in the field of chiral optical anti‐counterfeiting.
Research Progress in Stretchable Circuits: Materials, Methods, and Applications
Authors: Pan Xiaojun , Xu Zhangsheng , Bao Rongrong , Pan Caofeng 
Published: July 2023

AbstractStretchable electronic devices, with their excellent properties such as stretchability and conformal contact with complex surfaces, are widely used in health monitoring and human‐computer interactions. For stable operation of these devices, stretchable circuits are crucial, enabling integration of sensors, data collection, and transmission while under strain. To achieve stretchable system integration, addressing key issues such as elastic substrates, sensor devices, rigid components, stretchable electrodes, and packaging layers is necessary. The stretchable electrodes, which connect various functional devices, are crucial for achieving stretchability and are the main focus of this review. Firstly, this work explores the enhancement of electrode design to maintain good electrical conductivity even under stretching conditions, through studying stretchable conductive materials and the structural design of conventional materials. This work then presents studies on substrate interfaces and the design of elastic substrates, such as rigid islands, to enhance the stability of stretchable circuits during use. Finally, the article discusses the applications of stretchable circuits, the challenges they face, and provides new research directions and ways to develop stretchable circuits.
Separate Gut Plasma Cell Populations Produce Auto‐Antibodies against Transglutaminase 2 and Transglutaminase 3 in Dermatitis Herpetiformis
Authors: Das Saykat , Stamnaes Jorunn , Kemppainen Esko , Hervonen Kaisa , Lundin Knut E. A. , Parmar Naveen , Jahnsen Frode L. , Jahnsen Jørgen , Lindfors Katri , Salmi Teea , Iversen Rasmus , Sollid Ludvig M. 
Published: July 2023

AbstractDermatitis herpetiformis (DH) is an inflammatory skin disorder often considered as an extra intestinal manifestation of celiac disease (CeD). Hallmarks of CeD and DH are auto‐antibodies to transglutaminase 2 (TG2) and transglutaminase 3 (TG3), respectively. DH patients have auto‐antibodies reactive with both transglutaminase enzymes. Here it is reported that in DH both gut plasma cells and serum auto‐antibodies are specific for either TG2 or TG3 with no TG2–TG3 cross reactivity. By generating monoclonal antibodies from TG3‐specific duodenal plasma cells of DH patients, three conformational epitope groups are defined. Both TG2‐specific and TG3‐specific gut plasma cells have few immunoglobulin (Ig) mutations, and the two transglutaminase‐reactive populations show distinct selection of certain heavy and light chain V‐genes. Mass spectrometry analysis of TG3‐specific serum IgA corroborates preferential usage of IGHV2‐5 in combination with IGKV4‐1. Collectively, these results demonstrate parallel induction of anti‐TG2 and anti‐TG3 auto‐antibody responses involving separate B‐cell populations in DH patients.
Katalytische photochemische Deracemisierung über kurzlebige Intermediate
Authors: Großkopf Johannes , Bach Thorsten 
Published: July 2023

AbstractBei Bestrahlung können Racemate in Gegenwart eines geeigneten chiralen Katalysators in enantiomerenreine Verbindungen mit gleicher Struktur umgewandelt werden. Dieser Prozess wird photochemische Deracemisierung genannt und beinhaltet die Bildung kurzlebiger Intermediate. Das Eröffnen unterschiedlicher Reaktionswege für die Vorwärtsreaktion zum Intermediat sowie für die Rückbildung des chiralen Moleküls ermöglicht diesen entropisch ungünstigen Prozess. Seit der Entdeckung der ersten photochemischen Deracemisierung im Jahr 2018 hat sich das Forschungsgebiet rapide entwickelt. Die vorliegende Übersicht beinhaltet die in diesem Bereich durchgeführte Forschung und diskutiert aktuelle Entwicklungen. Sie wurde unterteilt gemäß der Art der Differenzierung und den jeweiligen Substratklassen. Der Schwerpunkt dieser Übersicht liegt auf der Substratpalette einzelner Reaktionen und auf einer Diskussion der mechanistischen Details, die der vorgestellten Reaktion zugrunde liegen.
Tracheobronchopathia osteochondroplastica: a rare cause of tracheal tube cuff leak
Authors: Morax L. S. , Breitenmoser I. , Konrad C. J. 
Published: July 2023

SummaryWe present the case of a patient with the rare disorder tracheobronchopathia osteochondroplastica who underwent laparoscopic cholecystectomy. After induction of general anaesthesia, we faced difficulties passing the tracheal tube beyond the vocal cords despite bronchoscopic assistance. With a smaller tube, and by using rotating movements, we managed to successfully intubate the trachea. Because of the irregular tracheal surface, however, ventilation was challenging due to a massive cuff leak. Repeated repositioning did not improve this leak. Only cuff overinflation led to adequate ventilation, though we were cognisant of the increased risk of tracheal wall injury with this approach. After completion of the surgery, the patient's trachea was extubated without complication. This case showed that even with good preparation, intra‐operative problems can occur with abnormal subglottic airway anatomy. In some circumstances, these problems can only be solved by compromise. There are no professional consensus or guidelines that can be followed as guiding references for such a case, which can lead to indecisiveness.
Revisiting to N‐alkylation of multi‐dentate amines ligand for ATRP
Authors: Acar Metin H. , Bekmez Murat , Deniz Oya , Inceoglu Sebnem 
Published: July 2023

AbstractThe ligands role in normal atom transfer radical polymerization (ATRP) is not only for controlling the system but also regulate the rate of polymerization depending the solubility in the reaction media. Solubility of the catalyst/ligand complexes in organic media is of particular importance to attain homogeneous polymerization conditions. The linear multi‐dentate amine ligands with a long aliphatic chain on the nitrogen atoms provide solubility of its metal complexes in organic solvents. However, the increasing length of the alkyl substituents induces steric effects and can alter the redox potential of the metal center. Herein, to understand the effect of alkyl length, we report the synthesis of tri‐, tetra‐dentate linear amine ligands, diethylenetriamine, triethylenetetramine having n‐alkyl halides containing odd carbon chain lengths (C3H7‐, C5H9‐), respectively. Well‐defined polymers were obtained in ATRP of S and MMA using synthesized ligands. Apparently, increasing the alkyl chain length was sufficient to provide homogeneous ATRP medium, which was not achieved with methyl‐substituted ligands (e.g., pentamethyldiethylenetriamine, PMDETA and hexamethyltriethylenetetramine, HMTETA). In combining ATRP results for odd (synthesized) and even carbon number alkylated ligands (literature), linear decreasing trend was observed on apparent rate constant (kpapp) by the increasing the alkyl chain length.
Sequential fusion estimation for multisensor multirate systems with measurement outliers
Authors: Deng Junyong , Liu Shuai , Zhang Mengyao , Ye Changbin 
Published: July 2023

AbstractThis paper investigates the suboptimal sequential fusion estimation problem for multisensor multirate networked systems with colored measurement noises under the interference of measurement outliers. The saturation function is used to constrain the innovation polluted by measurement outliers. Due to diverse physical restrictions, the sampling period of the sensor is assumed to be different from the update period of the system state, thereby better reflecting the engineering practice. The lifting technique is used to convert the multirate sampling system into a single‐rate form. By solving the matrix difference equation, an upper bound of the filtering error covariance is obtained, and the filter gain is then derived, which can minimize the upper bound of the error covariance. Finally, a simulation example is given to demonstrate the effectiveness of the proposed sequential fusion method for multirate sampling systems under outlier interference.
The impact of modeling choices on the assessment of Ni‐Ti fatigue properties through surrogate specimens
Authors: Berti Francesca , Petrini Lorenza 
Published: July 2023

AbstractThe implant of self‐expandable Ni‐Ti stents for the treatment of peripheral diseases has become an established medical practice. However, the reported failure in clinics highlights the open issue of the fatigue characterization of these devices. One of the most common approaches for calculating the Ni‐Ti fatigue limit (commonly defined in terms of mean and alternate strain for a fixed number of cycles) consists of using surrogate specimens which replicate the strain distributions of the final device but in simplified geometries. The main drawback lies in the need for computational models to determine the local distribution and, hence, interpret the experimental results. This study aims at investigating the role of different choices in the model preparation, such as the mesh refinement and the element formulation, on the output of the fatigue analysis. The analyses show a strong dependency of the numerical results on modeling choices. The use of linear reduced elements enriched by a layer of membrane elements is successful to increase the accuracy of the results, especially when coarser meshes are used. Due to material nonlinearity and stent complex geometries, for the same loading conditions and element type, (i) different meshes result in different couples of mean and amplitude strains and (ii) for the same mesh, the position of the maximum mean strain is not coincident with the maximum amplitude, making difficult the selection of the limit values.
Fluorescence “Turn‐Off‐On” Detection of Heparin and Protamine Based on Bovine Serum Albumin‐Stabilized Carbon Dots (BSA‐CDs)
Authors: Abraham Merin K , Anand Varnana , Madanan Anju S. , Varghese Susan , Shkhair Ali Ibrahim , Indongo Geneva , Rajeevan Greeshma , Sasidharanpillai Syamchand S. , Muraleedharan Lekha G. , Subha Vijila N. , George Sony 
Published: July 2023

AbstractHeparin and protamine are two therapeutically significant biomolecules utilized in surgeries and extracorporeal therapy. Hence, real time monitoring of their concentration levels in body fluids is quite requisite. Herein, we developed, Bovine Serum Albumin stabilized carbon dots by a microwave‐assisted synthesis for the detection of heparin and protamine. Heparin has sulfate and carboxy groups that can interact with the positively charged surface amino groups of protamine through electrostatic interactions and hydrogen bonds. The blue fluorescence exhibited by BSA‐Carbon dots shows decrease in fluorescence emission on addition of negatively charged heparin. When cationic protein protamine is introduced to this system, the fluorescence is recovered due to electrostatic interaction with heparin. The system shows a Limit of detection (LOD) of 0.014 mM and 0.053 mM on addition of heparin and protamine respectively. The probe exhibited positive results with good selectivity and sensitivity towards other coexisting biomolecules and ions that appear in body fluids. The study was extended in biological matrix such as human serum and urine and found good recovery percentage in between 90–120%. The practical applicability was analyzed using a paper strip assay. Hence, a sensitive “turn‐off‐on” probe was effectively developed for the detection of heparin and protamine on a clinical basis.
Robust image watermarking in DCT domain using optimal inter‐block difference
Authors: Kricha Anis , Kricha Zied , Sakly Anis 
Published: July 2023

SummaryRobust watermarking provides valuable solutions to protect the copyright and secure digital images. In this paper, a robust and transparent watermarking scheme in the discrete cosine transform (DCT) domain is presented. The watermark is embedded into the difference of two adjacent DCT coefficients located at the same frequency. The embedding process involves optimal selection of adjacent blocks and DCT coefficients positions. For a given DCT block, the optimal selection is to find the coefficient with the lowest DCT frequency that requires the minimal variation to represent the target watermark bit. To insert the watermark, a new quantization index modulation (QIM) based method with irregular distance between continuous quantizers is employed. The performance of the proposed scheme was extensively evaluated using 12 benchmark images and a total of more than 90 attacks per image grouped into nine attack types including JPEG compression, filtering and noise contamination. Furthermore, robustness comparison with state‐of‐the‐art works was conducted, and the results demonstrate the superiority of the proposed scheme in terms of imperceptibility and robustness.