bluuebunny/crossref_metadata_2025 huggingface dataset:
New Hydraulic Control Technologies for Improving the Energy Efficiency of the Hydraulic System of Agricultural Tractors and Their Implements
Authors: Tian Xin , Guo Xiaofan , Stump Patrick , Dessy Giovanni , Vacca Andrea , Fiorati Stefano , Pintore Francesco
Published: August 2024

This paper describes two alternative methods to achieve the goal of reducing the fuel consumption of the high-pressure hydraulic control system of agricultural tractors and their implements. The first approach consists of a re-visitation of the basic load sensing (LS) technology used to power the hydraulic remotes. Namely, the metering regulations proper of a LS system is shifted from the tractor remote valves to the implement control valves. The second approach instead converts the hydraulic supply from a flow-based control logic (like in the LS system) to a pressure-based control. In different ways, both methods allow eliminating the conflicts existing between the tractor control valves and the implement ones, which cause excessive pressurization of the supply pumps and therefore high throttling losses.
The proposed methods are properly analyzed in simulation, and then tested considering reference of a 390 hp tractor and a 16-row planter. The results show a high improvement in energy performance for both the proposed solutions. With respect to the commercial system considered as the baseline, both solutions allow increasing the energy efficiency by more than 38%, with variations that depend on the operating conditions.
Experimental Investigation of the Suction Capabilities of an Innovative High Speed External Gear Pump for Electro-Hydraulic Actuated Automotive Transmissions
Authors: Milani Massimo , Montorsi Luca , Paltrinieri Fabrizio
Published: August 2024

In this paper, the suction capabilities of an innovative high speed external gear pump have been measured and analysed for verifying its potential use as a reliable and efficient power unit for electro-hydraulic actuated automotive transmissions. In particular, with the aim to face extremely challenging operating conditions, mainly in terms of rotational speed, this specific type of volumetric machine is designed with both two suction and delivery ports. All the experimental measurements have been performed by using a specifically tailored test bench, equipped with a double Cardan joint and an overdrive, designed for running the pump over a wide range of rotational speeds, spanning between 400 and 7000 rpm, and applying a delivery pressure of about 45 bar, very close to a typical actuation value of a high-performance automotive hydraulic transmission. Furthermore, with the aim to confirm the consistency of the experimental measurements, two identical prototypes of the high speed external gear pump have been tested and compared for two different values of the operating temperature, respectively equal to 40 and 60oC. First of all, the higher efficiency of the pump primary suction port has been clearly highlighted and evaluated. Moreover, for rotational speed values higher than 4000 rpm, a significant increase of the volumetric flow rate delivered by the pump can be achieved using both the suction ports together and, thus, this particular hydraulic configuration can be considered as a very promising design solution for the entire actuation system.
The Spaces in Which We Think, and: My Home Is a Candle, and : Supplication
Authors: Alsinan Nasser
Published: August 2024

Abstract: "The Spaces in Which We Think" - a poem about distance and the power of renaming our pain. It has to do with belittling the ego, recognizing our solitude, and accepting the realization that we're very small, minute creatures in this vast universe, discussing all this in the realm of mental health. "my home is a candle" - a poem that revolves around the love we have for one another, and the quirkiness inherent in it. The beauty of this love helps in painting our worlds in very peculiar, grippingly charming, scenery and scents. At its core, it's a love letter that admits to my loved one - whatever I do, you're going to be there for me.
The Big Peach Divided: Demographic-Electoral Transitions and Geographic Polarization in Atlanta Metropolitan Area Counties
Authors: Davis Kyle S.
Published: August 2024

highlights: • A rapidly diversifying state, Georgia is set to become majority-minority by 2030. • Changing racial compositions correlate with electoral shifts in the Atlanta Metropolitan Area. • The inner suburbs have become Democratic strongholds, while Republicans win peripheral counties. • Geographic sorting and diversification made Georgia an electoral battleground after 2016. • Similar patterns of demographic-electoral transition can be seen in other US states. abstract: Like much of the Southern United States, Georgia was once overwhelmingly Democratic. Towards the end of the 20th century, however, it became a stronghold for the Republican party. By the late 2010s, the Peach State was transformed into an electoral battleground, delivering crucial victories to both parties in federal and statewide elections. In 2020, Joe Biden became the first Democratic presidential candidate to win the state in 28 years. The Atlanta Metropolitan area has been at the center of these political shifts due to rapid and ongoing demographic changes that reflect and amplify the urban-rural divide. Voters in the region are geographically concentrated in a Democratic-dominated core and a Republican-dominated exurban periphery. Caught in between these zones are suburban areas, which are growing and diversifying at a rate much faster than the national average. As they do so, they are joining the Democratic core, while Republican voters are increasingly concentrated in smaller, outlying counties. These patterns are re-defining the state’s politics and provide an accelerated example of what we will likely see in other metropolitan areas of the United States in the future.
Image stitching algorithm for super-resolution localization microscopy combined with fluorescence noise prior
Authors: Chen Yanzhu , Xu Zhiwang , Ren Shijie , Huang Zhen-Li , Wang Zhengxia
Published: August 2024

Super-resolution panoramic pathological imaging provides a powerful tool for biologists to observe the ultrastructure of samples. Localization data can maintain the essential ultrastructural information of biological samples with a small storage space, and also provides a new opportunity for stitching super-resolution images. However, the existing image stitching methods based on localization data cannot accurately calculate the registration offset of sample regions with no or few structural points and thus lead to registration errors. Here, we proposed a stitching framework called PNanoStitcher. The framework fully utilizes the distribution characteristics of the background fluorescence noise in the stitching region and solves the stitching failure in sample regions with no or few structural points. We verified our method using both simulated and experimental datasets, and compared it with existing stitching methods. PNanoStitcher achieved superior stitching results on biological samples with no structural and few structural regions. The study provides an important driving force for the development of super-resolution digital pathology.
Light propagation in anisotropic materials and electro-optical effects: tutorial on the use of eigenvalue problems, tensors, and symmetries
Authors: Steglich Patrick , Kehrein Achim
Published: August 2024

The properties of anisotropic materials are used in many optical components such as waveplates or polarizing beamsplitters. In particular, anisotropic materials that possess electro-optical properties allow the realization of actively controllable optical components like optical switches, phase shifters, or modulators. Hence, understanding and computation of light propagation in anisotropic materials with electro-optical effects are crucial in optical science and technology. On the one hand this tutorial stresses the use of eigenvalue problems to explain qualitatively and to compute quantitatively important properties such as polarization. On the other hand it discusses the mathematical model of both electro-optical effects, namely, the Pockels and the DC Kerr effect. This tutorial describes the basic concepts in a consistent tensor language, shows how the tensors are conveniently summarized in matrices, and points out that these matrices do not transform like tensors. The tensor approach clarifies how symmetry arguments affect tensor components. Further, this paper derives the more accurate nonlinear relationship between the refractive index and the externally applied electric field.
Integrated communication and sensing system based on Si-SiN dual-layer optical phased array
Authors: Li Yingzhi , Wang Ziming , Du Haolun , Chen Baisong , Song Junfeng , Tao Min
Published: August 2024

Traditional free space optical communication (FSOC) and light detection and ranging (lidar) are typically separate entities. Integrated communication and sensing systems (ICSS) can harmoniously integrate environmental perception with data transmission, paving the way for efficient, safe, and intelligent vehicle. However, the performance of FSOC and lidar systems are often constrained by the traditional mechanical beam steering components, impacting beam scanning speed, system volume, and robustness. In this paper, we propose an ICSS with 64-channel SiN-Si dual-layer optical phased array (OPA) chip. The OPA is utilized as the fast and solid scanning component to realize multi-target FSOC and range detection. The dual-pulse interval modulation (DPIM) technique is utilized for generating pulse signals, supporting time-of-flight (ToF) based distance measurement and undistorted data transmission. The OPA functions as the transmitter in this system, realizing fast beam steering by controlling the antenna phase with beam switching time of 32.26 µs. The results show that this system can achieve fast targeting, reliable signal transmission to multiple targets and precise range detection concurrently.
Highly consistent image compensation method based on a time-sharing longitudinal and transverse oscillation driving waveform for electrophoretic video display
Authors: Wang Ziyang , Chen Jianwen , Zhang Heng , Li Shixiao , Xiao Bo , Gao Ruisi , Bai Pengfei , Zhou Guofu
Published: August 2024

Electrophoretic displays (EPDs) are developed as an emerging display technology due to the advantages of bistable and reflective properties. However, the particles inside the EPD cannot be driven to the target position due to complex forces during the EPD video display, resulting in low consistency of the video image and the appearance of ghost images. To improve that, we proposed a highly consistent image compensation method based on a time-sharing longitudinal and transverse oscillation (TSLTO) driving waveform for EPD video display, which contained a multi-frame pulse width modulation (MFPWM) driving waveform. To compensate for the grayscale ghost image, the average values of SSIM and PSNR had improved by 6.13% and 2.64% respectively by the MFPWM driving waveform compared with the traditional driving waveform. To compensate for the boundary ghost image, the image contrast of the boundary pixel grayscale values had decreased by 33.34% by the TSLTO driving waveform, which meant that the grayscale values on both sides of the boundary were more consistent. According to our method, the video display quality and consistency of EPD video playback have been effectively improved, which can help EPDs to be better applied in the field of high refresh rate and high-quality video display.
Optimizing algorithm for high-precision imaging stitching systems based on spline surfaces
Authors: Huang Yuqi , Zhang Xin , Shi Guangwei , Wang Lingjie , Zhao Shangnan , Zhang Jipeng , Yin Zijian , Yan Lei
Published: August 2024

As optical systems continue to advance, non-uniform rational B-spline (NURBS) surfaces increasingly being considered in asymmetric optical systems due to their localized control characteristics. However, the representation of NURBS surfaces has complicated the analysis of these systems, leading to a significant computational burden. To address this challenge, we propose an optimizing algorithm for imaging optical systems based on high-precision ray tracing of NURBS surfaces. This method initiates with getting a knot grid as prior information, in conjunction with the Newton-Raphson algorithm, to obtain high-precision numerical solutions for the intersection of rays with a NURBS surface. Building upon this methodology, we introduce an optimization technique that includes shape evaluation to generate an evaluation function specific to NURBS surfaces. This approach is then applied within a rapid optimization process that accounted for the region of ray influence. Under consistent control point grids and sampling ray conditions, we present an off-axis four-mirror system to showcase that our algorithm has achieved a computational efficiency improvement of approximately 14 times compared to the previous method. This high-precision imaging design based on spline surfaces fulfills the need for efficient and accurate algorithms for NURBS surface applications in various imaging systems, providing guidance for practical applications.
Birefringence-free photoelastic modulator with centimeter-square aperture operating at 2.7 MHz with sub-watt drive power
Authors: Atalar Okan , Arbabian Amin
Published: August 2024

Photoelastic modulators are optical devices with a broad range of
applications. These devices typically utilize a transverse interaction
mechanism between acoustic and optical waves, resulting in a
fundamental trade-off between the input aperture and the modulation
frequency. Commercially available modulators with centimeter-square
apertures have operating frequencies in the vicinity of 50 kHz. In
this work, we experimentally demonstrate a birefringence-free
photoelastic modulator operating at approximately 2.7 MHz with a
centimeter-square aperture, increasing the operating frequency
substantially compared to existing approaches. Using the modulator and
polarizers, we demonstrate close to π
radians polarization modulation amplitude with sub-watt drive power,
translating to nearly 100% intensity modulation efficiency at the
fundamental (2.7 MHz) and second-harmonic (5.4 MHz) frequencies.
Terahertz polarization conversion and asymmetric transmission based on a liquid crystal integrated EIT metasurface
Authors: Xu Shi-Tong , Fan Junxing , Xue Zhanqiang , Li Jiandi , Wang Ying-Hua , Pan Yue , Cao Hong-Zhong , Ma Ren-De , Lu Dan , Zhang Hui-Fang , Cong Longqing
Published: August 2024

We experimentally demonstrate a liquid crystal (LC)-integrated EIT metasurface for active THz polarization conversion and asymmetric transmission. By controlling the LC orientation under static magnetic field anchoring and an adjustable electric field, the device realizes the active control from the OFF state to the ON state, corresponding to the orthogonal polarization excitation modes of the EIT metasurface. Furthermore, based on the different polarization responses at forward and backward incidences, we achieve asymmetric transmission at the EIT peak and two nearby resonances, with its isolation actively manipulated by the external electric field. This study on dynamic polarization conversion and asymmetric transmission by a LC-integrated metasurface offers a promising route for active THz devices, applicable to THz communication, switching, and sensing systems.
Reference-free dual-comb spectroscopy with inbuilt coherence: publisher’s note
Authors: Roiz Mikhail , Larnimaa Santeri , Uotila Touko , Närhi Mikko , Vainio Markku
Published: August 2024

This publisher’s note contains a correction to Opt. Lett. 49, 2473 (2024)10.1364/OL.521866.
High-speed, low-voltage, low-bit-energy silicon photonic crystal slow-light modulator with impedance-engineered distributed electrodes
Authors: Kawahara Keisuke , Tsuchizawa Tai , Yamamoto Noritsugu , Maegami Yuriko , Yamada Koji , Hara Shinsuke , Baba Toshihiko
Published: August 2024

Silicon modulators in optical transceivers feature high-density integration and low manufacturing cost, but they also need to deliver high speed and low power consumption to meet the demands of future data centers and high-performance computing. This paper demonstrates a significantly improved 64 Gbps silicon Mach–Zehnder modulator incorporating photonic crystal slow-light phase shifters. By employing distributed electrodes and engineering their impedance, electro-optic phase matching and electrical impedance matching were obtained simultaneously, and the driving voltage was reduced to 0.87 V, which is compatible with fin-type field effect transistors and eliminates the need for additional electrical amplifiers. The bit energy of as low as 59 fJ/bit is comparable to that of microring modulators, while this modulator does not require temperature control like that used for microring modulators, due to its wide working spectrum of 6 nm. These results indicate the potential for addressing power issues in next-generation data infrastructures.
The dynamics and longevity of circulating CD4+ memory T cells depend on cell age and not the chronological age of the host
Authors: Bullock M. Elise , Hogan Thea , Williams Cayman , Morris Sinead , Nowicka Maria , Sharjeel Minahil , van Dorp Christiaan , Yates Andrew J. , Seddon Benedict
Published: August 2024

Quantifying the kinetics with which memory T cell populations are generated and maintained is essential for identifying the determinants of the duration of immunity. The quality and persistence of circulating CD4 effector memory (TEM) and central memory (TCM) T cells in mice appear to shift with age, but it is unclear whether these changes are driven by the aging host environment, by cell age effects, or both. Here, we address these issues by combining DNA labelling methods, established fate-mapping systems, a novel reporter mouse strain, and mathematical models. Together, these allow us to quantify the dynamics of both young and established circulating memory CD4 T cell subsets, within both young and old mice. We show that that these cells and their descendents become more persistent the longer they reside within the TCM and TEM pools. This behaviour may limit memory CD4 T cell diversity by skewing TCR repertoires towards clones generated early in life, but may also compensate for functional defects in new memory cells generated in old age.
Impact of oxygen and glucose availability on the viability and connectivity of islet cells: A computational study of reconstructed avascular human islets
Authors: Félix-Martínez Gerardo J. , Osorio-Londoño Diana , Godínez-Fernández J. Rafael
Published: August 2024

The experimental study and transplantation of pancreatic islets requires their isolation from the surrounding tissue, and therefore, from the vasculature. Under these conditions, avascular islets rely on the diffusion of peripheral oxygen and nutrients to comply with the requirements of islet cells while responding to changes in body glucose. As a complement to the experimental work, computational models have been widely used to estimate how avascular islets would be affected by the hypoxic conditions found both in culture and transplant sites. However, previous models have been based on simplified representations of pancreatic islets which has limited the reach of the simulations performed. Aiming to contribute with a more realistic model of avascular human islets, in this work we used architectures of human islets reconstructed from experimental data to simulate the availability of oxygen for α, β and δ-cells, emulating culture and transplant conditions at different glucose concentrations. The modeling approach proposed allowed us to quantitatively estimate how the loss of cells due to severe hypoxia would impact interactions between islet cells, ultimately segregating the islet into disconnected subnetworks. According to the simulations performed, islet encapsulation, by reducing the oxygen available within the islets, could severely compromise cell viability. Moreover, our model suggests that even without encapsulation, only microislets composed of less than 100 cells would remain viable in oxygenation conditions found in transplant sites. Overall, in this article we delineate a novel modeling methodology to simulate detailed avascular islets in experimental and transplant conditions with potential applications in the field of islet encapsulation.
Candida albicans’ inorganic phosphate transport and evolutionary adaptation to phosphate scarcity
Authors: Acosta-Zaldívar Maikel , Qi Wanjun , Mishra Abhishek , Roy Udita , King William R. , Li Yuping , Patton-Vogt Jana , Anderson Matthew Z. , Köhler Julia R.
Published: August 2024

Phosphorus is essential in all cells’ structural, metabolic and regulatory functions. For fungal cells that import inorganic phosphate (Pi) up a steep concentration gradient, surface Pi transporters are critical capacitators of growth. Fungi must deploy Pi transporters that enable optimal Pi uptake in pH and Pi concentration ranges prevalent in their environments. Single, triple and quadruple mutants were used to characterize the four Pi transporters we identified for the human fungal pathogen Candida albicans, which must adapt to alkaline conditions during invasion of the host bloodstream and deep organs. A high-affinity Pi transporter, Pho84, was most efficient across the widest pH range while another, Pho89, showed high-affinity characteristics only within one pH unit of neutral. Two low-affinity Pi transporters, Pho87 and Fgr2, were active only in acidic conditions. Only Pho84 among the Pi transporters was clearly required in previously identified Pi-related functions including Target of Rapamycin Complex 1 signaling, oxidative stress resistance and hyphal growth. We used in vitro evolution and whole genome sequencing as an unbiased forward genetic approach to probe adaptation to prolonged Pi scarcity of two quadruple mutant lineages lacking all 4 Pi transporters. Lineage-specific genomic changes corresponded to divergent success of the two lineages in fitness recovery during Pi limitation. Initial, large-scale genomic alterations like aneuploidies and loss of heterozygosity eventually resolved, as populations gained small-scale mutations. Severity of some phenotypes linked to Pi starvation, like cell wall stress hypersensitivity, decreased in parallel to evolving populations’ fitness recovery in Pi scarcity, while severity of others like membrane stress responses diverged from Pi scarcity fitness. Among preliminary candidate genes for contributors to fitness recovery, those with links to TORC1 were overrepresented. Since Pi homeostasis differs substantially between fungi and humans, adaptive processes to Pi deprivation may harbor small-molecule targets that impact fungal growth, stress resistance and virulence.
The mediating role of perceived social support between work-family conflict and presenteeism among ICU nurses working shift work in Chinese public hospitals: A cross-sectional investigation
Authors: Wu Jijun , Li Yuxin , Lin Qin , Fan Yuting , Zhang Jiquan , Liu Zhenfan , Liu Xiaoli , Dai Ping , Rong Xian , Zhong Xiaoli
Published: August 2024

Objective

Relative to explicit absenteeism, nurses’ presenteeism has a more lasting impact and is more harmful and costly. This study aimed to explore the relationship between work-family conflict, perceived social support, and presenteeism and whether perceived social support mediates the relationship between work-family conflict and presenteeism among ICU nurses working on shifts in Chinese public hospitals.

Materials and methods

A cross-sectional research design was conducted from January to April 2023 in Sichuan Province, China. A total of 609 valid questionnaires were collected. The questionnaires contained information on demographic characteristics, the Work-Family Conflict (WFC) scale, the Perceived Social Support Scale (PSSS), and Stanford Presenteeism Scale-6 (SPS-6). Multiple stratified regression was used to explore the mediating role of perceived social support between work-family conflict and presenteeism. The mediating effect of perceived social support in work-family conflict and presenteeism was tested by Model 4 in the PROCESS 4.1 macro program in SPSS.

Results

A total of 609 nurses were included in this study, and the mean presenteeism score for ICU nurses working on shifts was 16.01 ± 4.293 (Mean ± SD), with high presenteeism accounting for 58.46%. After controlling for sociodemographic characteristic variables, work-family conflict was positively associated with presenteeism, explaining 7.7% of the variance. High perceived social support was related to low presenteeism, explaining 11.5% of the variance. Perceived social support mediated the association between work-family conflict and presenteeism among ICU nurses working on shifts.

Conclusions

Chinese shift-work ICU nurses’ high presenteeism scores deserve managers’ attention. Work-family conflict is a significant predictor of nurses’ presenteeism. Perceived social support is essential in improving nurses’ work-family conflict and mediates the relationship between work-family conflict and presenteeism. Improving social support can reduce the impact of work-family conflict on presenteeism among nurses working shifts.
Accessibility Analysis of Priority Safety Management Targets for Efficient Management Systems of Agricultural Dams
Authors:   Crisis and Emergency Management: Theory and Praxis, Choi Byoung Han , Won Dong Hyun , Hong Jae Joo , Kim Jeong Seog
Published: August 2024

Due to the long monsoon season and heavy rainfall, domestic agricultural dams in South Korea are suffering severe damages. Recent incidents indicate that damage and collapse of agricultural dams are occurring regardless of their safety assessment grades. To ensure the stable performance of agricultural dams, regular maintenance is essential. Moreover, it is crucial to make quick decisions in crisis situations for emergency response and initial actions. Therefore, it is necessary to prioritize safety management targets in advance and assess the accessibility of sites and management agencies. This study selected 1,467 priority safety management targets for agricultural dams managed by the Korea Rural Community Corporation and conducted spatial network analysis to examine the accessibility of sites by region. Additionally, the change in accessibility was analyzed by adding management points. The analysis results can be utilized as fundamental data for enhancing the safety and establishing an efficient safety management system for agricultural dams distributed nationwide.
Evaluation of Chronic Pancreatitis Prognosis Score in an American Cohort
Authors: Park Soo Kyung , Conwell Darwin L. , Hart Phil A. , Li Shuang , Stello Kimberly , Fogel Evan L. , Fisher William E. , Forsmark Christopher E. , Pandol Stephen J. , Park Walter G. , Topazian Mark , Serrano Jose , Vege Santhi Swaroop , Van Den Eeden Stephen K. , Li Liang , Yadav Dhiraj , Saloman Jami L. ,   on behalf of the Consortium for the Study of Chronic Pancreatitis, Diabetes, and Pancreatic Cancer (CPDPC)
Published: August 2024

INTRODUCTION:

Chronic Pancreatitis Prognosis Score (COPPS) was developed to discriminate disease severity and predict risk for future hospitalizations. In this cohort study, we evaluated if COPPS predicts the likelihood of hospitalization(s) in an American cohort.

METHODS:

The Chronic Pancreatitis, Diabetes, and Pancreatic Cancer consortium provided data and serum from subjects with chronic pancreatitis (N = 279). COPPS was calculated with baseline data and stratified by severity (low, moderate, and high). Primary endpoints included number and duration of hospitalizations during 12-month follow-up.

RESULTS:

The mean ± SD COPPS was 8.4 ± 1.6. COPPS correlated with all primary outcomes: hospitalizations for any reason (number: r = 0.15, P = 0.01; duration: r = 0.16, P = 0.01) and pancreas-related hospitalizations (number: r = 0.15, P = 0.02; duration: r = 0.13, P = 0.04). The severity distribution was 13.3% low, 66.0% moderate, and 20.8% high. 37.6% of subjects had ≥1 hospitalization(s) for any reason; 32.2% had ≥1 pancreas-related hospitalizations. All primary outcomes were significantly different between severity groups: hospitalizations for any reason (number, P = 0.004; duration, P = 0.007) and pancreas-related hospitalizations (number, P = 0.02; duration, P = 0.04). The prevalence of continued drinking at follow-up (P = 0.04) was higher in the low and moderate groups. The prevalence of anxiety at enrollment (P = 0.02) and follow-up (P < 0.05) was higher in the moderate and high groups.

DISCUSSION:

Statistically, COPPS significantly correlated with hospitalization outcomes, but the correlations were weaker than in previous studies, which may be related to the outpatient nature of the PROspective Evaluation of Chronic Pancreatitis for EpidEmiologic and Translational StuDies cohort and lower prevalence of high severity disease. Studies in other prospective cohorts are needed to understand the full utility of COPPS as a potential tool for clinical risk assessment and intervention.
REVALUASI ASET TETAP DENGAN LIKUIDITAS SEBAGAI VARIABEL MODERATING (STUDY PADA PERUSAHAAN SEKTOR PROPERTY, REAL ESTATE, AND BUILDING CONSTRUCTION YANG TERDAFTAR DI BEI 2017-2019)
Authors: Satriawan Andhika , Baroroh Niswah
Published: August 2024

This research objective was to examine the effect of Cash Flow from Operation, Fixed Assets Proportion, and Company Growth on Revaluation Decision, Moderated by Liquidity. This research, used as the property, real estate, and construction company listed to IDX from 2017 to 2019, by purposive sampling of 84 companies. From this research, it was known that cash flow and company growth did not influence revaluation. Fixed asset proportion positively influenced fixed asset revaluation decision. Liquitidy variable did not become moderating variable toward cash flow from operation, but was proven as a moderating variable of the link between fixed asset proportion and company growth on revaluation decision. Variable cash flow and company growth did not affect revaluation. Liquitidy was not proven moderate cash flow from operation toward asset revaluation, but was proven as a moderating variable of fixed asset intensity and company growth toward fixed asset revaluation.
Ketaklangsungan Ekspresi dalam Lagu Kudangan
Authors: Hermintoyo Muhamad
Published: August 2024

Kudang is a form of sound and song that is issued verbally from the mouth of the father, mother, grandmother, grandfather, brother, uncle, aunt, neighbor, and waitress in the form of an emotional outburst of joy for the baby/small child. Kudangan there are only sounds, not words semantically in the dictionary, they are not found and have no meaning, for example: tak ni nong ninong ninung. While the second form of kudangan is a song/song so that the song “Tak Lelo Lelo Ledhung,”  “Timang-timang” appears, whose function is to accelerate the sleep of the baby/child. In the lyrics of the song there is a value of kindness in the form of pitutur/ advice so that it can give parents hope, uphold the good name of parents, have good character so that one day they become useful, living, noble, intelligent and responsible people who can become leaders, both for their families and for their country. Kudang and the lyrics in cuddling are like poetry, which has intrinsic elements that make up poetry, such as diction, rhyme, images and rhetorical means. In this study, the stylistic theory of indirect expression is used. The meaning is using paraphrasing. To get the meaning required language code, literature, and cultural code.
Aktualitas Nilai Magis Mitos Celeng dalam Novel Menyusu Celeng Karya Sindhunata sebagai Representasi Poskolonialisme
Authors: Baihaqi Juwita Wardah Maulidah
Published: August 2024

Animisme dan dinamisme di masyarakat Indonesia di masa lalu merupakan salah satu pembuka pada kemungkinan akan kepercayaan dan aktivitas yang bersifat transendental. Kepercayaan dan aktivitas akan hal magis di masa kini, tentu senantiasa berubah, baik dari jumlah praktiknya atau motif saat melakukannya. Artikel ini bertujuan untuk membahas tentang aktualitas mitos celeng sebagai suatu praktik ilmu hitam di lingkungan masyarakat. Selain itu, penelitian ini membahas tentang representasi celeng pada praktik kolonialisme yang pernah terjadi di Indonesia. Data yang digunakan berbentuk kata dan kalimat yang berkaitan dengan adanya praktik dan kepercayaan akan pesugihan celeng sekaligus persifatan yang merepresentasikan keserakahan dari manifestasi kolonialisme. Sumber data diperoleh dari novel Menyusu Celeng karya Sindhunata. Metode penelitian yang digunakan analisis deskriptif kualitatif. Hasil penelitian disajikan dalam bentuk deskripsi yang menunjukkan adanya kemagisan celeng dalam kehidupan sehari-hari yang merujuk pada praktik poskolonialisme di Indonesia.
Mimikri dan Ambivalensi dalam Cerpen “Ruma Sekola yang Saya Impiken” Karya Kwee Tek Hoay
Authors: Hardianti Sitti
Published: August 2024

This research discusses traces of colonialism resulting from the meeting of Dutch and Chinese cultures in the short story Ruma Sekolah yang Saye Impiken by Kwee Tek Hoay. The research focust to describe the colonial’s effects of the diaspora, mimicry and ambivalence carried out by the Chinese community. Methods of data collection used literature study with reading-note techniques, data analysis using descriptive methods. Homi K. Bhaba's postcolonial theory was used to analyze the diaspora, mimicry, and ambivalence that occurred in Chinese society. The results and discussion found that cultural contact between the colonial (Dutch) and the colonized (Chinese) resulted in traces of colonial diaspora, mimicry, and ambivalence carried out by the Chinese community. These colonial traces then gave birth to a new identity for the stronger Chinese community. The presence of characters in the narrative who carry out mimicry and ambivalence also becomes a form of their resistance to identity discourses built by the Dutch. Through this short story, the writer (Hoay) implicitly fought against the Dutch in Indonesian at that time.
Paraoxonase-1 (PON1) Status in Pancreatic Cancer: Relation to Clinical Parameters
Authors: Vecka Marek , Jáchymová M. , Vávrová L. , Kodydková J. , Macášek J. , Urbánek M. , Krechler T. , Slabý A. , Dušková J. , Muravská A. , Žák A.
Published: August 2024

Human paraoxonase 1 (PON1) has been shown to decrease the level of systemic oxidative stress, which is thought to contribute to cancer development. The aim of this study was to examine the interrelationships between PON1 status and some clinical characteristics in patients with pancreatic cancer (PC). A group of 73 consecutive patients with PC (stage II–IV) and 73 control subjects were examined. Laboratory studies included five polymorphisms of the PON1 gene (L55M, Q192R, -108C/T, -126C/T, and -162A/G), PON1 arylesterase (PON1-A) and lactonase (PON1-L) activities, as well as some markers of protein metabolism, insulin resistance, and oxidative stress. In comparison with the control group, no difference in the distribution of the PON1 polymorphisms was found in cancer patients, both arylesterase and lactonase activities being significantly lower (-33, -47 %, respectively, both P < 0.001). There was neither statistically significant association of PON1 polymorphisms with tumour stages nor with diabetes mellitus connected with PC. The genotype distribution of L55M and -108C/T differed only in a subgroup of patients presenting clinically relevant malnutrition (χ2 = 6.50, 6.25, respectively, both P < 0.05). In the PC group, PON1-A and PON1-L activities correlated with Nutritional Risk Index (r = 0.351, 0.409, respectively, both P < 0.01), PON1-L with mid-arm muscle circumference (r = 0.328, P < 0.05), and PON1-A and PON1-L with serum albumin (r = 0.352, 0.391 respectively, both < 0.01). Our results suggest that PON1 plays an important role in PC, especially in cancer-associated malnutrition.
Recombinant Probiotic Therapy in Experimental Colitis in Mice
Authors: Gardlík Roman , Palffy R. , Celec P.
Published: August 2024

Recently, high interest has been attracted to the research of inflammatory bowel diseases (IBD). Recombinant probiotic bacteria may represent an interesting way to influence the course of IBD. Their benefits include cheap and simple production and easy manipulation of the genetic material. Several gene therapy and probiotic approaches already showed promising results in the past. The aim of this study was to test the probiotic potential of IL-10-expressing Escheria coli Nissle 1917 in a mouse model of IBD and to compare it with control bacterial strains. The dextran sulphate sodium (DSS) model of colitis was examined for this purpose. Animals received control probiotic bacteria or modified probiotics (expressing IL-10) via gastric gavage. Body weight, stool consistency, food and water consumption were monitored. At the end of the experiment, the parameters of inflammation, oxidative stress and carbonyl stress were analysed in the samples and statistical analysis was performed. We prepared an anti-inflammatory probiotic Escherichia coli strain that we designated Nissle 1917/pMEC-IL10 and proved its anti-inflammatory properties, which are similar to those of the control probiotic strains Nissle 1917 and Lactococcus lactis/pMEC-IL10 in vivo. The probiotic therapy was successful according to several parameters, including colon length, and oxidative and carbonyl stress. Bacterially produced IL-10 was detected in the plasma. The potential of bacterial anti-inflammatory therapy of IBD using modified probiotics was outlined. The results opened a way for upcoming studies using modified probiotics for therapy of systemic diseases.
Methylation Analysis of Tumour Suppressor Genes in Ovarian Cancer Using MS-MLPA
Authors: Chmelařová Marcela , Křepinská E. , Špaček J. , Laco J. , Nekvindová J. , Palička V.
Published: August 2024

Epigenetic changes are considered to be a frequent event during tumour development. Hypermethylation of promoter CpG islands represents an alternative mechanism for inactivation of tumour suppressor genes, DNA repair genes, cell cycle regulators and transcription factors. The aim of this study was to investigate promoter methylation of specific genes in ovarian cancer by comparison with normal ovarian tissue. To search for epigenetic events we used methylation-specific multiplex ligation-dependent probe amplification (MS-MLPA) to compare the methylation status of 69 tissue samples of ovarian cancer with 40 control samples. Using a 15% cut-off for methylation, we observed significantly higher methylation in genes MGMT, PAX5, CDH13, WT1, THBS1, GATA5 in the ovarian cancer group, while in the ESR1 gene we observed significantly higher methylation in the control group compared with the ovarian cancer group. These findings could potentially be used in screening of ovarian cancer and may have implications for future chemotherapy based on epigenetic changes.
Female Serum Immunoglobulins G, A, E and Their Immunological Reactions to Seminal Fluid Antigens
Authors: Brázdová Andrea , Zídková J. , Senechal H. , Peltre G. , Cibulka J. , Ulčová-Gallová Z.
Published: August 2024

One in five couples of reproductive age has been diagnosed with infertility. Some diagnoses indicate an immunological basis for this disorder. Female immune infertility may be caused by iso-immunization by seminal components. We focused on the characterization of seminal proteins to illustrate the IgG, IgA and IgE immune responses of 31 infertile women. The biochemical characterization was performed by one-dimensional sodium dodecyl sulphate polyacrylamide gel electrophoresis and isoelectric focusing, both of which were followed by immunoblotting analyses. IgG mainly recognized the antigens with relative molecular masses (Mr) 95 and 183 kDa and isoelectric points ranging from 6.9 to 7.0. The immunodominant antigens recognized by IgA had the Mr of 35 kDa and isoelectric points ranging from 6.2 to 7.2. The reactivity of IgE was not confirmed within our group of patients. The seminal IgGand IgA-binding patterns were analysed immunochemically to determine the characteristics of possible seminal proteins associated with female immune infertility.
Roman Pollak – badacz Seicenta na drogach nauki polskiej i europejskiej
Authors: Nowicka-Jeżowa Alina
Published: August 2024

The article presents Roman Pollak’s scientific goals and methods from the point of view of their relationship with Polish science involved in the protection and promotion of the values considered to be national legacy and in the context of their dialogue with contemporary scientific trends. It also reconstructs the design of studies of past Polish literature and culture that the Poznan-based professor created and consistently followed – one based on philology, interdisciplinarity and comparative literature. This is the context for the presentation of Roman Pollak’s research into Polish 17th-century literature as it followed a path from discoveries in textology and editing to numerous attempts at synthesis. The synthetic outlines created in the pre-war period were inspired by contemporary European humanities, Italian in particular, and highlighted the aesthetic qualities of a literary work. After World War II, they became more sociological in nature and turned towards Polish literature. In place of categories like Seicentism and the Baroque, they introduced terms such as “post-Renaissance literature” and passed judgement on Sarmatism as a period of degeneration and decline of culture.
Temporal dynamics of the mycorrhizal inoculum potential of fungal communities in reference ecosystems for strawberry cultivation in southern Brazil
Authors: Chiomento José Luís Trevizan , Trentin Thomas dos Santos , Dornelles Alana Grando , Klein Arthur Pegoraro , Reichert Júnior Francisco Wilson
Published: August 2024

One of the alternatives for making the strawberry production system more sustainable is arbuscular mycorrhizal fungi (AMF). However, there are few commercial inoculants based on AMF. This shortage can be attributed to the information scarcity on the temporal dynamics of mycorrhizal inoculum potential (MIP). Here, we investigated whether there is temporal variability in the MIP of AMF communities in cultivated and native forest soils in reference ecosystems for strawberry cultivation. The treatments were nine inoculants (eight soils containing AMF communities and Rhizophagus clarus as a control) not subjected (year 2016) or subjected (year 2020) to storage. The experimental design was entirely randomized, with three replicates. The inoculants used were grouped into three strata in terms of mycorrhizal colonization. R. clarus showed the greatest infective capacity on sorghum roots, followed by inoculants from native forest soils, and finally, inoculants from soils cultivated with strawberries. The highest MIP was observed in non-stored inoculants in the experiment set up in 2016. In conclusion, there is temporal variability in the MIP of AMF communities in cultivated and native forest soils in reference ecosystems for strawberry cultivation. Natural soils and those not stored have a greater capacity to colonize the roots of the plant host.
Litter arthropod communities in a Northeastern Cerrado area of Maranhão state, Brazil
Authors: Andrade de Sousa Jairisson , Da Silva Oliveira Matheus , Fernandes da Silva Edison , Ciattei Christian
Published: August 2024

The litter layer of forest ecosystems harbors a diverse community of terrestrial arthropods, which are notable for playing fundamental roles in ecological processes. In this study, our objective was to identify arthropod families and assess the occurrence of seasonality in arthropod communities within the litter environment of three Cerrado phytophysiognomies in Northeast Brazil. The studies were conducted over twelve months in Chapadinha municipality, MA. Arthropods were sampled across three phytophysiognomies: I - Clean Cerrado field, II - Shrubland Cerrado with recent deforestation history, and III - Typical Cerrado. Ninety pitfall traps were deployed, grouped into sets of 30 for each sampled environment along a linear transect of 300 meters. A total of 5.573 arthropods were collected across the three study areas, distributed among 19 orders, one infraorder, and 62 families. The arthropod community exhibited significant differences among the different seasonal periods analyzed. However, there was no significant difference in arthropod composition among the three Cerrado areas sampled. There was greater arthropod diversity during the transition from dry to rainy periods. The Typical Cerrado showed higher arthropod abundance, however, the Clean Cerrado exhibited greater diversity in arthropod composition. Cerrado with recent deforestation history demonstrated the lowest arthropod abundance and diversity. These results demonstrate the importance of seasonality for arthropod communities in different habitats, emphasizing the significance of Cerrado preservation to maintain the composition of arthropods in the soil.
Lower bound on the translative covering density of octahedra
Authors: Li Yiming , Lian Yanlu , Fu Miao , Zhang Yuqin
Published: August 2024

Based on Zong’s work [26] on translative packing densities of 3-dimensional convex bodies, we present a local method to estimate the density θt
(C
3) of the densest translative covering of an octahedron. As a consequence we prove that θt
(C
3) ≥ 1 + 6.6 × 10–8, which is the first non-trivial lower bound for this density.
Some observations on conformal symmetries of G
2-structures
Authors: Lin Christopher
Published: August 2024

On a 7-manifold with a G
2-structure, we study conformal symmetries — which are vector fields whose flow generate conformal transformations of the G
2-structure. In particular, we focus on compact 7-manifolds and the condition that the Lee form of the G
2-structure is closed. Among other observations, we show that conformal symmetries are determined within a conformal class of the G
2-structure by the symmetries of a unique (up to homothety) G
2-structure whose Lee form is harmonic. On a related note, we also demonstrate that symmetries are split along fibrations when the Lee vector field is itself a symmetry.
Mittag-Leffler-Hyers-Ulam stability for a first- and second-order nonlinear differential equations using Fourier transform
Authors: Selvam Arunachalam , Sabarinathan Sriramulu , Selvan Arumugam Ponmana
Published: August 2024

In this article, we apply the Fourier transform to prove the Hyers-Ulam and Hyers-Ulam-Rassias stability for the first- and second-order nonlinear differential equations with initial conditions. Additionally, we extend the results to investigate the Mittag-Leffler-Hyers-Ulam and Mittag-Leffler-Hyers-Ulam-Rassias stability of these differential equations using the proposed method.