bluuebunny/crossref_metadata_2025 huggingface dataset:
Field testing of a portable vibration seismic source of S-waves for detailed near-surface studies
Authors: Dergach Petr A. ,   Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences, Yablokov Alexandr V. , Polozov Stanislav S. , Zobnin Gleb Yu. , Duchkov Anton A. ,   Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences,   Novosibirsk State University,   Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences,   Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences,   Novosibirsk State University,   Trofimuk Institute of Petroleum Geology and Geophysics of the Siberian Branch of the Russian Academy of Sciences
Published: July 2024

We report the results of testing a portable vibration seismic source designed for generating S-waves in the frequency range from 5 to 200 Hz (designed at the Institute of Petroleum Geology and Geochemistry SB RAS based on serial low-frequency acoustic transducers). We first describe the source design and then present the results of field experiments and their comparison to the impulse source of S-waves (sledgehammer against the opposite walls of a trench). Analysis of experimental data showed that even with an average noise level (constant wind of 5–10 m/s and construction work at a distance of about 200 meters from the profile) it is possible to reliably trace refracted waves at distances of up to 100 meters or more with a signal-to-noise ratio of 5 or higher. We used 60-second linear sweep signal with a frequency changing from 20 to 100 Hz. The source of shear waves can be used in near-surface seismic studies using the methods of refracted waves, multichannel analysis of surface Love waves (MALW), as well as reflected SH waves (RPM). The last two methods are important for studying geological sections with velocity inversions with depth which is extremely important when working in permafrost regions since the refracted wave method (REM) is not effective in this case. The use of the vibration S-wave source may significantly suppress surface waves.
Analysis of the capabilities of marine electrical exploration technologies in solving problems of prospecting and monitoring oil and gas fields using 3D modeling and geometric 3D inversion
Authors: Persova Marina G. ,   Novosibirsk State Technical University, Soloveichik Yuri G. , Sivenkova Anastasia P. , Vagin Denis V. , Kiselev Dmitry S. ,   Novosibirsk State Technical University,   Novosibirsk State Technical University,   Novosibirsk State Technical University,   Novosibirsk State Technical University
Published: July 2024

The possibilities and comparative analysis of marine electrical exploration technologies for solving problems of hydrocarbon search and monitoring of oil-water contact are presented. The studies were carried out using a 3D modeling and geometric 3D inversion. The 3D modeling method is based on a special mathematical formulation with two-stage primary-secondary field approach and finite element approximation using vector basis functions. The 3D geometric inversion method is aimed at maximizing the accuracy of determining the boundaries of target objects. We consider a new technology for electrical prospecting, which is implemented in start-stop mode and make measurements in the time domain. This technology includes an eight-arm receiver located on the seabed and two sources in the form of horizontal electric dipoles, which can be located either on the seabed or at the surface of the water. It is shown that this technology makes it possible to obtain a significantly larger absolute and relative signal from a deep-lying object of increased resistivity compared to technologies in which the field is excited and received either by horizontal or vertical lines. For technology with an eight-arm receiver, we analyze the error in determining the oil-water contact and equivalence. It is shown that in the case of sufficient sensitivity of signals to the presence of a deep target object, the position of its boundaries can be determined with an accuracy of no worse than 200 m for a target depth of 2.5 km if the contrast in the resistivity of the object to the background medium is sufficient. It is also shown that the position of the oil-saturated zone boundary is determined by the change of sign between negative and positive extrema in the deviations of signals obtained when this boundary is displaced during oil production, and the resistivity of the area remaining after the displacement of the main volume of oil is determined by the level of these extrema. This, in turn, opens up prospects for using this technology in solving problems of monitoring the boundary of the oil-saturated zone during the development of offshore oil fields.
Features of the vortex structures in the fields of Eulerian and Lagrangian hydrological characteristics for the Northwest Pacific
Authors: Novoselova Elena V. ,   St. Petersburg State University, Travkin Vladimir S. , Lebedeva Maria A. , Udalov Aleksandr A. , Budyansky Maxim V. , Belonenko Tatyana V. ,   St. Petersburg State University,   State Oceanographic Institute,   St. Petersburg State University,   V. I. Il'ichev Pacific Oceanological Institute,   V. I. Il'ichev Pacific Oceanological Institute,   St. Petersburg State University
Published: July 2024

This work presents a combined analysis of the spatial distributions of oceanographic fields based on Eulerian and Lagrangian approaches. In the Eulerian approach, the fluid motion is considered as a function of coordinates and time, and the equations of motion are formulated for specific points in space. In contrast, the Lagrangian approach focuses on tracking individual particles in the ocean, representing water masses or other materials, as separate objects moving according to the equations of motion. The variability of oceanographic characteristics in the Northwest Pacific region is examined, specifically analyzing the spatial distributions of oceanographic fields on October 24, 2010. The AMEDA algorithm is used to identify mesoscale eddies. Within the Eulerian approach, it is shown that regions prohibiting the stretching of mesoscale eddies only partially correspond to areas where large-scale eddies are located. Vortical structures and elements of large-scale circulation are well manifested in the distributions of the Lyapunov exponent (Λ-maps) and maps characterizing the trajectories of advected particles (S-maps). Enhanced values of kinetic and available potential energy correspond to the main circulation structures in the region. However, for analyzing the evolution of circulation structures, they are less informative compared to Λ-maps and S-maps, which accumulate information from the previous period. Spatial distributions of relative and potential vorticity are constructed. Positive values of relative vorticity outline the Kuroshio current from the north, while negative values outline it from the south, which is typical of jet currents with a pronounced zonal component. Mesoscale eddies exhibit elevated values of vorticity and a shielding effect (shielded vortices). In the Lagrangian experiment with passive tracer patches, it is demonstrated that the most deformation-resistant patch spent most of the analyzed time interval in a domain where the stretching of eddies is prohibited.
Kategorie (nie) obecne w edukacji: religia, religijność, duchowość
Authors: Parzyszek Magdalena
Published: July 2024

Człowiek jest homo religisus i jako taki, jest zdolny do poznania i zrozumienia otaczającej go rzeczywistości i swojej w niej pozycji, swego sposobu istnienia, który wyznacza istotne momenty jego egzystencji, a w konsekwencji jego losu. Jednym z najważniejszych problemów współczesnego człowieka jest zniewolenie cywilizacyjne. Obecne przemiany niosą ze sobą wiele zagrożeń, które jawią się jako atrakcyjne propozycje, ale też powodują zamęt w wielu sferach życia człowieka. Istnieje zatem wielka potrzeba pedagogicznego namysłu nad religią, religijnością i duchowością. W dzisiejszym świecie/edukacji tematyka religii, religijności i duchowości wydaje się być (nie) obecna. Prezentowany artykuł jest głosem w dyskusji na temat konieczności podnajmowania wyżej wskazanych zagadnień w edukacji dzieci i młodzieży po to, aby tak ważne zagadnienia dla ludzkiej egzystencji pomagały definiować życie poprzez nadawanie mu sensu.
Loving Kindness Meditation: An Intervention to Increase Positivity Following Interpersonal Transgressions
Authors: Halverson Kjerstin , Ellen Petersen
Published: July 2024

Objective- To determine if a single 15-minute guided LKM intervention can increase an individual’s feelings of forgiveness toward someone who has caused them harm.
Methods- Participants (N = 49; mean age = 18-21 years) were asked to recollect and describe an incident where another individual hurt them then randomized to either a control, secular LKM, or spiritual LKM. Baseline measurements included demographics, emotional forgiveness scale (EFS), attitudes related to spirituality (ARES), anxiety and depression (PHQ-4), positive and negative affect (PANAS), single stress item (SSI), self-critical rumination scale, gratitude (GQ-6), and Batson empathy scale. All measures, excluding demographics and ARES, were assessed post-intervention.
Results- No significant differences were identified between groups for all measures except positive affect as measured by PANAS and gratitude as measured by GQ-6. These results remained significant even when covarying for baseline spiritual beliefs.
Conclusions- Our single 15-minute intervention was successful in increasing gratitude for participants in the spiritual intervention group when compared to the control and borderline significance comparing the control and the secular intervention.
Jiawei Duhuo Jisheng Mixture Mitigates Osteoarthritis Progression in
Rabbits by Inhibiting Inflammation: A Network Pharmacology and
Experimental Approach
Authors: Kaiyun Tan , Xiaotong Xu , Min Lu , Yongrong Wu , xuyi Tan , Fu Shen , Jinwen Ge , Gaoyan Kuang
Published: July 2024

Background:

Knee osteoarthritis (KOA) is a common degenerative joint disease
characterized by cartilage degradation, inflammation, and pain. Traditional Chinese Medicine,
including JDJM (a herbal formula derived from the renowned Du Huo Ji Sheng Tang), has been
used to alleviate symptoms of KOA, but its underlying mechanisms remain unclear.

Objective:

This study aims to elucidate the potential therapeutic mechanisms of JDJM in treating
KOA through network pharmacology, weighted gene co-expression network analysis (WGCNA), molecular docking, and experimental validation in animal models.

Methods:

The active compounds of JDJM were identified through TCMSP database searches,
and their potential targets were predicted using network pharmacology. WGCNA was employed
to identify key modules and hub genes associated with KOA. Molecular docking was performed
to assess the binding affinities of key compounds to critical inflammatory targets. Molecular dynamics (MD) simulations were used to evaluate the stability of the protein-ligand complexes. An
experimental KOA model in rabbits was used to validate the therapeutic effects of JDJM. Histopathological examinations and inflammatory marker analyses were conducted to confirm the
findings.

Results:

Network pharmacology and WGCNA analyses identified 21 key targets and pathways
potentially involved in the therapeutic effects of JDJM. Molecular docking results showed that
Glyasperin C had the highest docking scores with EGF and IL-1β, followed by Stigmasterol
with IL-6, Myricanone with INS, and Sesamin with VEGFA. MD simulations confirmed the stability of these protein-ligand complexes, indicating strong and stable interactions. In the rabbit
KOA model, JDJM treatment significantly improved knee joint morphology and reduced the
levels of inflammatory markers, such as IL-6 and TNF-α. Histopathological analysis revealed reduced cartilage degradation and inflammation in the JDJM-treated group compared to controls.

Conclusion:

JDJM exhibits promising anti-inflammatory and cartilage-protective effects, making it a potential therapeutic option for KOA patients. Further experimental and clinical studies
are warranted to confirm these findings and translate them into clinical practice
A Combination of Catechin and Metformin: Its Preclinical Efficacy and Safety in STZ-Induced Diabetic Rats
Authors: Dash Jyoshna , Pattnaik Gurudutta , Nanda Ashirbad , Ghosh Goutam , Rath Goutam , Kar Biswakanth
Published: July 2024

Objective:

This study aimed to assess the combinational antidiabetic effect of catechin and
metformin in streptozotocin (STZ)-induced diabetic rats.

Methods:

Wistar rats were chosen and divided into five groups (n=6). STZ at the dose of 55 mg/kg
was used intraperitoneally for the induction of diabetes. The combination of catechin (CTN) and
metformin (MET) was administered to diabetic rats. The changes in fasting blood sugar, body
weight, Hb, HbA1c, creatinine, lipid profiles (TC, HDL, LDL, and TG), biochemical parameters
(SGOT, SGPT, and ALP), and endogenous antioxidant parameters (SOD, GSH, and catalase) were
assessed. Histopathological study of the β-cells in islets of the pancreas, kidney tubules, and liver
cells was conducted in all groups.

Results:

The result showed a significant reduction (p < 0.001) in blood sugar in the CTN and METtreated group compared to the control group. The combination of CTN (50 mg/kg) and MET (22.5
mg/kg) significantly restored the creatinine levels and urine volumes, SGOT, SGPT, and ALP, compared to a single administration dose. The abnormal lipid profile levels (TC, LDL, TG, and HDL)
and antioxidant enzymes (SOD, GSH, catalase) in diabetic control rats were restored to average levels in a significant manner. Histopathological results revealed significant alterations, including hypertrophy of islets and mild degeneration, renal necrosis, and inflammation of hepatocytes.

Conclusion:

The findings indicate that a combination of therapy (CTN+MET) improved the protective effect of the pancreas, kidney, and liver, suggesting that the combination shows a potential antidiabetic effect.
Effect of Semaglutide on Physical Function, Body Composition, and Biomarkers of Aging in Older Adults With Overweight and Insulin Resistance: Protocol for an Open-Labeled Randomized Controlled Trial
Authors: Cortes Tiffany M , Vasquez Libia , Serra Monica C , Robbins Ronna , Stepanenko Allison , Brown Kevin , Barrus Hannah , Campos Annalisa , Espinoza Sara E , Musi Nicolas
Published: July 2024

Background

Older adults with type 2 diabetes mellitus (T2DM) or prediabetes are at increased risk of adverse changes in body composition, physical function, and aging-related biomarkers compared to those with normal glucose tolerance. Semaglutide is a glucagon-like peptide 1 receptor agonist that has been approved for T2DM and chronic weight management. Although semaglutide is effective for weight loss and T2DM management, its effects on lean body mass, physical function, and biomarkers of aging are understudied in older adults.

Objective

This study aims to compare the effects of lifestyle counseling with and that without semaglutide on body composition, physical function, and biomarkers of aging in older adults.

Methods

This is an open-label randomized controlled trial. A total of 20 adults (aged 65 years and older) with elevated BMI (27-40 kg/m2) and prediabetes or well-controlled T2DM (hemoglobin A1c 5.7%-7.5%) are recruited, stratified by sex, and randomized 1:1 to one of 2 groups (semaglutide plus lifestyle counseling vs lifestyle counseling alone) and followed up for 5 months. Those in the semaglutide group are titrated to 1 mg weekly, as tolerated, for 12 weeks. Lifestyle counseling is given by registered dietitians and based on the Diabetes Prevention Program Lifestyle Change Program. Our primary outcomes include changes in lean mass, physical function, and biomarkers of aging. Body composition is measured by dual-energy x-ray absorptiometry and includes total fat mass and lean mass. Physical function is measured by 6-minute walk distance, grip strength, and short physical performance battery. Biomarkers of aging are measured in blood, skeletal muscle, and abdominal adipose tissue to include C-reactive protein, interleukin-6, tumor necrosis factors α, and β galactosidase staining.

Results

The study was funded in December 2021 with a projected data collection period from spring 2023 through summer 2024.

Conclusions

Despite the elevated risk of adverse changes in body composition, physical function, and biomarkers of aging among older adults with glucose intolerance and elevated adiposity, the benefits and risks of commonly prescribed antihyperglycemic or weight loss medications such as semaglutide are understudied. This study aims to fill this knowledge gap to inform clinicians about the potential for additional clinically meaningful, nonglycemic effects of semaglutide.

Trial Registration

ClinicalTrials.gov NCT05786521; https://clinicaltrials.gov/study/NCT05786521

International Registered Report Identifier (IRRID)

DERR1-10.2196/62667
In Silico Evaluation of Algorithm-Based Clinical Decision Support Systems: Protocol for a Scoping Review (Preprint)
Authors: Dorosan Michael , Chen Ya-Lin , Zhuang Qingyuan , Lam Shao Wei Sean
Published: July 2024

BACKGROUND

Integrating algorithm-based clinical decision support (CDS) systems poses significant challenges in evaluating their actual clinical value. Such CDS systems are traditionally assessed via controlled but resource-intensive clinical trials.

OBJECTIVE

This paper presents a review protocol for preimplementation in silico evaluation methods to enable broadened impact analysis under simulated environments before clinical trials.

METHODS

We propose a scoping review protocol that follows an enhanced Arksey and O’Malley framework and PRISMA-ScR (Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews) guidelines to investigate the scope and research gaps in the in silico evaluation of algorithm-based CDS models—specifically CDS decision-making end points and objectives, evaluation metrics used, and simulation paradigms used to assess potential impacts. The databases searched are PubMed, Embase, CINAHL, PsycINFO, Cochrane, IEEEXplore, Web of Science, and arXiv. A 2-stage screening process identified pertinent articles. The information extracted from articles was iteratively refined. The review will use thematic, trend, and descriptive analyses to meet scoping aims.

RESULTS

We conducted an automated search of the databases above in May 2023, with most title and abstract screenings completed by November 2023 and full-text screening extended from December 2023 to May 2024. Concurrent charting and full-text analysis were carried out, with the final analysis and manuscript preparation set for completion in July 2024. Publication of the review results is targeted from July 2024 to February 2025. As of April 2024, a total of 21 articles have been selected following a 2-stage screening process; these will proceed to data extraction and analysis.

CONCLUSIONS

We refined our data extraction strategy through a collaborative, multidisciplinary approach, planning to analyze results using thematic analyses to identify approaches to in silico evaluation. Anticipated findings aim to contribute to developing a unified in silico evaluation framework adaptable to various clinical workflows, detailing clinical decision-making characteristics, impact measures, and reusability of methods. The study’s findings will be published and presented in forums combining artificial intelligence and machine learning, clinical decision-making, and health technology impact analysis. Ultimately, we aim to bridge the development-deployment gap through in silico evaluation-based potential impact assessments.

INTERNATIONAL REGISTERED REPORT

DERR1-10.2196/63875
Explainable AI for Intraoperative Motor Evoked Potential Muscle Classification in Neurosurgery: A Bicentric Retrospective Study (Preprint)
Authors: Parduzi Qendresa , Wermelinger Jonathan , Koller Simon Domingo , Sariyar Murat , Schneider Ulf , Raabe Andreas , Seidel Kathleen
Published: July 2024

BACKGROUND

Intraoperative neurophysiological monitoring (IONM) guides the surgeon in ensuring motor pathway integrity during high-risk neurosurgical and orthopedic procedures. Although motor evoked potentials (MEPs) are valuable for predicting motor outcomes, the key features of predictive signals are not well understood, and standardized warning criteria are lacking.

OBJECTIVE

The objective of this study is to expand machine learning (ML) methods for muscle classification and test them in a bicentric setup. Further, we aim to identify key features of MEP signals that contribute to accurate muscle classification using explainable artificial intelligence (XAI) techniques.

METHODS

This study employed ML and deep learning models, specifically random forest (RF) classifiers and convolutional neural networks (CNNs), to classify MEP signals from two medical centers according to muscle identity. Depending on the algorithm, time-series, feature-engineered, and time-frequency representations of the MEP data were used. XAI techniques, specifically SHAP values and gradient class activation maps (Grad-CAM), were implemented to identify important signal features.

RESULTS

High classification accuracy was achieved with the RF classifier, reaching 87.9% accuracy on the validation set and 80.0% accuracy on the test set. The 1D- and 2D-CNNs demonstrated comparably strong performance. Our XAI findings indicate that frequency components and peak latencies are crucial for accurate MEP classification, providing insights that could inform intraoperative warning criteria.

CONCLUSIONS

This study demonstrates the effectiveness of ML techniques and the importance of XAI in enhancing trust in and reliability of AI-driven IONM applications. Further it may help to identify new intrinsic features of MEP signals so far overlooked in conventional warning criteria.
LTP POST-Release submission (Preprint)
Authors: Mykhaylyuk Igor , Abraham Tadele , biswal subhashree
Published: July 2024

BACKGROUND

LTP POST-Release submission

OBJECTIVE

LTP POST-Release submission

METHODS

LTP POST-Release submission

RESULTS

LTP POST-Release submission

CONCLUSIONS

LTP POST-Release submission

CLINICALTRIAL

LTP POST-Release submission
REDUCTION OF TIME AND COST IN PREPARATION OF NANOFIBERS FROM PVA, PEO AND HPMC USING DESIGN-EXPERT® SOFTWARE
Authors: SHAWKA AL-ASADI LAYTH J. ABDULREDHA , AL-EDRESI SARMAD
Published: July 2024

Objective: The following research aims to formulate nanofibers using a statistical model to reduce time and cost. Nanofibers are nanomaterials composed of a blend of more than one polymer. The selection of the proper exact ratio is challenging, costly and time-consuming.
Methods: Nanofibres were prepared from polyvinyl alcohol (PVA), polyethylene oxide (PEO), and hydroxyl propyl methyl cellulose (HPMC) at different concentrations. The experiment used Design-Expert® software (version 13) through full factorial design. A high electrical field was applied to convert the polymeric solution to electrospun nanofibers. Voriconazole, as a triazole drug, was used as a model drug. The entrapment efficiency (EE%) of Voriconazole, fibre diameters and the morphology of nanofibers were analysed using scanning electron microscopy (SEM). The higher desirability of nanofibers was selected.
Results: The EE% ranged from 6.7 % to 97.94 %. Fibres diameter ranged from 87.18 to 2500 nm. An SEM analysis revealed long and uniform threads of nanofibers. The solution suggested by the software out of 18 runs resulted in nanofibers having an EE% of 90.3% and a diameter of 87.8 nm±22. 2 SD.
Conclusion: Electrospun nanofibres were successfully prepared from 18 runs only. A high loading of model drug was achieved at relatively low numbers of experiments. Time and cost were effectively reduced while maintaining a high desirability for the results.
CYCLODEXTRIN AS SOLUBILIZER AND TARGETING AGENT FOR DRUGS
Authors: SINGH ADITYA NARAYAN , BAGHEL DILEEP SINGH , KUMAR BIMLESH , PANDEY NARENDRA KUMAR , SINGH SAURABH , SUDHAKAR KALVATALA , CHARYULU R. NARAYANA
Published: July 2024

Natural cyclic oligosaccharides called cyclodextrins (CDs) improve the bioavailability of drugs by the formation of inclusion complexes involving small and macromolecules of poorly soluble compounds in water. CDs act as a solubilizer and targeting agent for drugs with low water solubility, enabling them to effectively target specific cells. Where poorly water-soluble compounds interact with the hydrophobic cavity of CDs to enhance their solubility. CDs are effective drug delivery agents because of their essential function as processing complex carriers. Various ligands can be utilized to modify the surface of cyclodextrin to actively target drugs. It is possible to consider it to have amphiphilic characteristics by enduring a chemical transformation with long aliphatic chains, and a variety of amphiphilic CDs can produce nanoparticles without the usage of surfactants. CD-nanocarriersact as cargo with solubilizers for drugs and a targeting agent for specific receptors present in specific cells and release the drug. CDs have many applications, including the reduction of drug-induced gastrointestinal discomfort, avoiding interactions between drug-drug and drug-excipient, and transforming drug products that are liquid into microcrystalline solid powders. Because of their biocompatibility and biodegradability, CDs have outstanding properties that make them particularly useful in the pharmaceutical and cosmetic industries.
island territories VI: Manhattan Scapeland
Authors: Hawker Adrian , Bernie Victoria Clare
Published: July 2024

Degree Show Catalogue from the second year of an ESALA MArch (Integrated Pathway) studio 'Island Territories VI: Manhattan scapeland', working in collaboration with a student from an associated ESALA MSc Landscape Architecture programme. Studio Leaders: Adrian Hawker and Victoria Clare Bernie, with Lisa MacKenzie. 2018-2020.
Caracterización del aprendizaje de trabajadores en organizaciones de salud en la comunidad de Río Gallegos
Authors: Robles Dodman Gastón , Rosales Karina
Published: July 2024

El estudio de las organizaciones de trabajo ha sido un tema de interés de distintas disciplinas sociales, enfoques y autores. Uno de estos últimos, Christophe Dejours, plantea un análisis profundo de la psicología de los trabajadores en su relación con la tarea. Esto lo hace desde lo que él denomina psicodinámica del trabajo. Es así que, teniendo como referente conceptual dicho enfoque, nació este proyecto enmarcado en una beca de investigación de la UNPA-UARG, el cual tenía como objetivos principales caracterizar el aprendizaje de los trabajadores de salud de la comunidad de Rio Gallegos, así como reconocer sus dinámicas de trabajo y el impacto subjetivo en contexto de pandemia. Para dichos fines, se partió de un enfoque de trabajo clínico-institucional, como también de una óptica psicopedagógica que entiende al aprendizaje como un proceso complejo que dura toda la vida y se encuentra atravesado por diversos procesos psíquicos, como los cognitivos o los inconscientes, que a su vez están enmarcados en el contexto sociocultural vigente para cada sujeto. Durante el proyecto se contó con el uso de herramientas de recolección de información, tales como cuestionario y entrevista en profundidad, los cuales se tomaron en el transcurso del año 2022, para posteriormente realizar un trabajo de análisis presentado en el siguiente artículo.
Condiciones de accesibilidad a la Educación Superior. Los inicios a la vida universitaria en tiempos de post confinamiento
Authors: Sotelo Lucrecia , Arroyo Mariana , Piñero Juana de las Mercedes
Published: July 2024

Dentro del campo de los estudios en educación, a lo largo de los últimos años, se fue consolidando como objeto de estudio: el ingreso a la universidad. Este tema es abordado por un conjunto de investigaciones desde las prácticas de aprendizaje del estudiantado - atendiendo a sus trayectorias de aprendizaje - como, desde el desarrollo de políticas educativas destinadas a la promoción y retención de la matrícula. El campo es amplio y las problemáticas que aborda también. Sin embargo, no hay dispersión; podría afirmarse que el eje central que articula estas indagaciones se sitúa en comprender la transformación de la universidad en virtud de la transformación del sujeto que allí aprende. 
En virtud de lo expuesto, este documento avanza en la problematización del campo, situando la mirada en las acciones que se llevaron a cabo en torno al ingreso a la universidad durante un período del pasado reciente de la historia de nuestro país: la pandemia por COVID 19. Este recorte de la mirada se fundamenta en los cambios abruptos que se dieron en todas y cada una de las instituciones de nuestro país - y del mundo -. Por último, cabe destacar que lo que aquí se presenta forma parte de la investigación desarrollada dentro del marco del proyecto PEIDT 29/D110 convocado por la UNPA en el año 2021. Con ello, se presente realizar un aporte al campo de estudios sobre las condiciones de accesibilidad a la Universidad.
Simulation-assisted learning of open quantum systems
Authors: Wang Ke , Li Xiantao
Published: July 2024

Models for open quantum systems, which play important roles in electron transport problems and quantum computing, must take into account the interaction of the quantum system with the surrounding environment. Although such models can be derived in some special cases, in most practical situations, the exact models are unknown and have to be calibrated. This paper presents a learning method to infer parameters in Markovian open quantum systems from measurement data. One important ingredient in the method is a direct simulation technique of the quantum master equation, which is designed to preserve the completely-positive property with guaranteed accuracy. The method is particularly helpful in the situation where the time intervals between measurements are large. The approach is validated with error estimates and numerical experiments.
The Implementation of Religious Moderation in the Quran and Hadith Learning At Islamic Senior High Schools in Aceh
Authors: M.Chalis M. Chalis , Suhaimi Suhaimi , Sulaiman Sulaiman
Published: July 2024

This study aims to determine the implementation of religious moderation in Qur'an and hadith learning at State Islamic Senior High Schools in Aceh Province. This research employed a qualitative method, involving nine subjects: three principals and six teachers teaching in three State Islamic Senior High Schools (Madrasah Aliyah Negeri) in three districts and cities in Aceh. The subjects were selected purposively. Data collection were done by interviews, observation, and documentation. The research results indicated that the implementation strategy of religious moderation is conducted through the preparation of lesson plans, integration during the learning, exemplary approach, application of cooperative learning models, and habituation of religious moderation attitudes in the school routine programs. This study found that the implementation policy of religious moderation refers to the Ministry of Religion of the Republic of Indonesia and the 2020-2024 RPJM. In addition, the moderation values implemented in learning Al-Qur'an Hadith include nine values; At-Tawassuth, At-Tasamuh, Ash-Shura, Al-'Itidal, Al-Ishlah, Al-Muwathanah, Al-Qurdwah, Al-La'unf, and Al-'Itiraf al-'urf. The implementation of religious moderation in the schools has some obstacles due to lack of socialization, the heterogeneity of the students' backgrounds, the environment, and inadequate facilities and infrastructure. However, overall, implementing religious moderation in Qur'an and hadith learning is effective.
Developing Kinemaster-based Podcast Media to Increase Student Motivation to Learn the History of Islamic Culture at Mts 1 Palu City
Authors: Muhayanah Luluk
Published: July 2024

Creative use of media will increase the possibility for students to learn more, embed what they learn better, and improve performance in carrying out skills according to learning objectives. Podcast media has recently become the most popular media and is one of the choices of teachers in supporting teaching and learning activities. This study aims to increase student learning motivation through the use of the kinemaster application in making podcasts on SKI class VII MTS Negeri 1 Palu City. This development research method was carried out using the ADDIE Research and Development (R&D) concept. The results of the study show that the KineMaster application-based podcast learning media has proven to be successful because the developed media is able to present messages and stimulate learning. This is evidenced by the increase in student learning motivation which is classified as high. The conclusion from this study is that the kinemaster application-based podcast learning media is able to foster student learning motivation, it can be said that this learning media has succeeded in stimulating students to learn.
Respon Fisiologis Kedelai [Glycine max (L.) Merr.]Varietas Grobogan terhadap Tingkat Naungan yang Berbeda
Authors: Bestari Andini Vermita , Darmanti Sri , Parman Sarjana
Published: July 2024

Penelitian bertujuan menganalisis respon fisiologis kedelai varietas Grobogan terhadap tingkat naungan berbeda, meliputi perubahan kadar protein total daun, kadar pigmen fotosintetik, indeks stomata dan lebar celah stomata serta pertumbuhan vegetatif tanaman. Penelitian menggunakan Rancangan Acak Lengkap (RAL) satu faktor berupa perbedaan tingkat naungan yaitu: tanpa naungan, naungan 50% dan naungan 70%. Data dianalisis menggunakan ANOVA dan dilanjutkan dengan uji DMRT pada taraf kepercayaan 95%.Hasil penelitian menunjukkan bahwa kedelai varietas Grobogan mampu beradaptasi dan bertahan hidup di bawah naungan 50% dan 70%. Kedelai varietas Grobogan merespon peningkatan taraf naungan dengan meningkatkan kadar protein total daun dan pigmen fotosintetik serta menurunkan indeks stomata dan lebar celah stomata. Tanaman ternaungi mengalami pertumbuhan vegetatif yang terhambat dilihat dari penurunan jumlah daun, luas daun, tebal daun, tinggi batang, diameter batang, panjang akar dan bobot tanaman.
Efektivitas Daun Beluntas (Pluchea indica L.) Sebagai Insektisida Nabati Terhadap Mortalitas Ulat Grayak (Spodoptera litura F) Lepidoptera: Noctuidae
Authors: Doga Ikius , Susanti Diana Sri , Sembiring Jefri , Mendes Johana
Published: July 2024

Penelitian ini bertujuan untuk mengetahui efektivitas ekstrak daun beluntas (Pluchea indica L) sebagai insektisida nabati terhadap mortalitas hama Spodoptera litura. Penelitian ini bersifat eksperimental terdiri dari 5 perlakuan dengan 1 kontrol dan 5 ulangan pada setiap perlakuan. Pengambilan sampel penelitian dilakukan dengan cara mengambil 300 ekor larva  Spodoptera litura instar II yang telah dipelihara dan perbanyakan di laboratorium. Setiap perlakuan dilakukan 5 kali ulangan dan tiap pengulangan pada masing-masing perlakuan diujikan sebanyak 10 ekor larva Spodoptera litura  instar II. Berdasarkan hasil penelitian  ekstrak daun beluntas (Pluchea indica L.)  berpengaruh toksik terhadap serangga Spodoptera litura yang telah di uji. Jumlah rata-rata mortalitas Spodoptera litura  tertinggi terjadi pada perlakuan konsentrasi 90% serta ekstrak daun beluntas (Pluchea indica L.) menunjukan pengaruh yang nyata terhadap mortalitas serangga Spodoptera litura.
Quantitative Analysis Of Community Perceptions About Monkey Conservation In Jambi Province
Authors: Anggereini Evita , Sampurna Ratu , Anattri Lega , Syafitri Viola Amelia , Tommy Muhamad , Hasanah Zulfa
Published: July 2024

This research aims to conduct a quantitative analysis of public perceptions regarding monkey conservation efforts in Jambi Province. Monkeys are one of the endangered animal species in the area, and public understanding and support is very important in efforts to preserve them. One of the types of monkeys in Jambi province is wild monkeys which are still disturbing the people of Jambi, especially those close to forests and where many buildings and buildings have been erected. Of course, this makes monkeys lose their habitat and food in nature. In this research, data was collected through results from a Google form involving a total of 89 respondents from various communities in Jambi Province. Quantitative analysis was carried out using various statistical methods to evaluate the level of public awareness and views regarding monkey conservation. It is hoped that the results of this research will provide better insight into public perceptions of monkey conservation and become a basis for developing more effective strategies for their conservation. While awareness and support for monkey conservation in Jambi Province is good, there is still work to be done to effectively protect these species and maintain the sustainability of their ecosystem. Collaborative efforts involving all relevant parties are essential to achieve better conservation goals in the future.
Random Amplified Polymorphic DNA (RAPD), Suatu Metode Analisis DNA Dalam Menjelaskan Berbagai Fenomena Biologi
Authors: Anggereini Evita
Published: July 2024

Kemajuan ilmu pengetahuan biologi saat ini mulai merambah ke bidang molekuler. Bidang molekulersering menjadi acuan untuk menjawab permasalahan- permasalahan biologi yang selama ini tidak bisa dijawabdengan cara analisis pengamatan biasa. Apalagi tingkat keakuratan dengan merujuk ke molekuler sangat tinggidibandingkan dengan cara yang konvensional. Analisis molekuler dalam hal ini adalah analisis kepada DNAorganisme tersebut. Banyak metode yang dapat dilakukan jika kita ingin menganalisis DNA.. Salah satu metodeanalisis DNA adalah Random Amplified Polymorphic DNA (RAPD). RAPD mengidentifikasi polimorfis DNA dariorganisme yang diteliti. DNA organisme tersebut diamplifikasi dengan teknik PCR (Polymerase Chain Reaction).Suatu organisme dapat berbeda pada tingkat DNA dalam hal perbedaan urutan nukleotida.
Biofungisida Berbahan Aktif Eusiderin I Untuk Pengendalian Layu Fusarium Pada Tomat
Authors: Harizon Harizon
Published: July 2024

This reserach aims to develop a new fungicide formula with active agent Eusiderin I toinhibit Fusarium oxysporum f.sp. lycopersici that causing fusarium wilt on tomato. This researchincludes isolation Eusiderin I from bulian wood, growing potato in green house, reproduction ofFusarium oxysporum f.sp. lycopersici, eusiderin I stability test, bioacitivity test of the Fusarium in agreen house. This research succesfuly formulates an emulsifiable concentrate fungicide with activematerial Eusiderin I. The fungicide formula is composed of active material, solvent, and emulsifier.Eusiderin I 3 ppm proves the highest efication, indicated by only a tomato plant dead in eachtreatment (p<0.05). It was concluded that . fungicide with active content Eusiderin I on 3, 4, and 10ppm affect on the number of survived tomato plants. The efication degree of this fungicide on 3, 4,5, and 10 ppm is not significantly different.
Respon Tanaman Selada (Lactuca sativa) terhadap pemberian Pupuk Hayati dengan Berbagai Agen Hayati
Authors: Yelianti Upik
Published: July 2024

This research aims to study the response of lettuce on theÂ  application of a variety of biological fertilizers and biological agents. This research was conducted at the Greenhouse School of Agriculture, University of Andalas Padang, between April and September 2008. This study using Completely Randomized Design with factorialÂ  of two factors. Factor I is type of biofertilizer (a1: TKTH, a2: JPTH, a3: SKCT, and a4: ATCT) and factor II is the type of biological agent (b1: FMA, b2: Pf, b3: Bb, and b4: FMA + Bb + Pf). Observation parameters include: plant height, root length, and fresh weight of lettuce. Observations show that there is interaction between biological fertilizers with different types of biological agents on the growth of lettuce. The highest plant (29.33 cm) was observed on the treatment of biological fertilizers SKCT with a mixture of biological agents (FMA + Pf + Bb).Â  The longest lettuce roots was obtained on the treatment of biological fertilizersÂ  SKCT with biological agents Bb, however the treatment did not differ significantly from AMF + PF + BB (19.67 versus 19:00 cm). While the heaviest of fresh lettuce (99.68 g / plant) is obtained on the treatment of ATCT biological fertilizers combined with FMA biological agent.
Pengaruh Rootone F dan Pupuk Bayfolan terhadap Pembentukan Akar dan Pertumbuhan Anakan Salak Pondoh (Salacca edulis Reinw.)
Authors: Gustini Dessi , Fatonah Siti , Sujarwati Sujarwati
Published: July 2024

Penelitian ini bertujuan untuk mengetahui pengaruh Rootone F dan pupuk Bayfolanterhadap pembentukan akar dan pertumbuhan anakan salah pondoh. Penelitian terdiri dari dua faktoryang disusun secara arak lengkap. Faktor pertama adalah konsentrasi Rootone F yang terdiri dari empattaraf (0, 50, 100 and 150 mg/anakan). Faktor kedua adalah konsentrasi pupuk cair Bayfolan yang terdiridari 4 taraf (0; 1,5; 3 and 4,5 ml/l). Rootone F diberikan dalam bentuk pasta dan dioleskan pada bagianpangkal batang pada saat awal perlakuan. Pupuk Bayfolan diberikan dengan cara penyemprotan keseluruh bagian tanaman dengan frekuensi pemberian seminggu sekali. Interaksi antara Rootone F danBayfolan berpengaruh nyata terhadap jumlah akar dan luas daun. Pembentukan akar, tinggi anakan danluas daun tertinggi didapatkan pada anakan yang mendapatkan perlakuan 150 mg/anakan Rootone Fdan 4,5 ml/L Bayfolan.
Pengaruh Pemberian Kombinasi Isolat Fungi Mikoriza Arbuskula terhadap Pertumbuhan Vegetatif Tanaman Jarak Pagar (Jatropha Curcas L.) yang Ditanam pada Tanah Bekas Tambang Batu Bara
Authors: Lizawati Lizawati , Kartika Elis , Alia Yulia , Handayani Rajjitha
Published: July 2024

Tujuan dari penelitian ini adalah untuk mengetahui pengaruh pemberiankombinasi isolat fungi mikoriza arbuskula (FMA) terhadap pertumbuhan vegetatiftanaman jarak pagar (Jatropha curcas L.) pada tanah bekas tambang batu bara.Rancangan penelitian yang digunakan adalah rancangan acak lengkap (RAL) dengansatu faktor yaitu kombinasi beberapa isolat FMA : yang terdiri dari Glomus-sp 3, 6, 15dan 16 dengan dosis 20 gr per polybag. Hasil penelitian menunjukkah bahwa pemberianisolat FMA Glomus-sp 3, Glomus-sp 15, Glomus-sp 16 masing â€“ masing sebanyak 6.67g diduga merupakan kombinasi terbaik terhadap pertumbuhan vegetatif bibit jarak pagarumur 4 bulan setelah tanam pada tanah bekas tambang batu bara.
Keanekaragaman Jenis Udang Air Tawar di Danau Teluk Kota Jambi (Biodiversity of Freshwater Prawns in Danau Teluk Jambi City)
Authors: DARYANTO Daryanto , HAMIDAH Afreni , KARTIKA Winda Dwi
Published: July 2024

The aim of this research is to measure biodiversity of freshwater prawns in Danau Teluk Jambi City. This is a quantitative descriptive research, the samples were taken purposively from three stations. The collected data were analyzed to obtain biodiversity index and dominance index.Â  Some nvironmental parameters were also measure including temperature, water depth, pH, DO (Dissolved Oxygen), COD (Chemical Oxygen Demand), and BOD (Biochemical Oxygen Demand). The research found 170 individual freshwater prawns belonging to 3 species: Macrobrachium rosenbergi, Macrobrachium lanchesteri, and Macrobrachium sintangense. Biodiversity index (Hâ€™) in stations I, II, and III were 0.85, 1.0, and 0.74 respectively and dominance index were 0.51, 0.39, and 0.51 respecytively. The value of physical and chemical water factors of the the three station were: water depth 0.6-2.6 m, temperature 28-31Â°C, pH 6.49-6.72, BOD 16-20 mg/l, COD 36-43 mg/l, and DO 6.61-6.63mg/l. The result indicated that biodiversity of freshwater prawns in Danau Teluk Jambi City was relatively lowÂ  and there was species that dominated the water (Macrobrachium lanchesteri).
Teknologi Percepatan Pertumbuhan Bibit Duku (Lansium domesticum Corr) melalui Aplikasi Fungi Mikoriza Arbuskular [Accelerating The Growth of Duku Seedlings (Lansium domesticum Corr) through the Application of Arbuscular Mycorrhizal Fungi)]
Authors: LIZAWATI Lizawati , KARTIKA Elis , SWARI Elly Indra , GANI Zul Fahri
Published: July 2024

The research investigated the influence of four isolates of arbuscular mycorrhizal fungi(AMF) on the growth of duku seedlings. The research used randomized block design with onefactor of some isolates AMF: Glomus-sp 3, 6, 15, and 16 at a dose of 20 g per polybag. The resultsshowed that inoculation of AMF isolates increase the canopy and root growth of the dukuseedlings. Duku seedlings inoculated with mycorrhiza showed higher plant height, stem diameter,dry weight, secondary roots number and length, than the control. Furthermore, mycorrhizalinoculation increased the absorption of nutrients (Phosphor) in the leaves of duku seedlings. Rootstaining results showed that AMF colonization in the duku roots only indicate hyphae; the otherstructures (vesicles, arbuscular and spores) were not detected.
Analisis Vegetasi dalam Komunitas Nepenthes mirabilis di Hutan Kampus Institut Agama Islam Negeri Sultan Thaha Saifuddin Jambi
Authors: Susanti Try
Published: July 2024

Abstrak. Nepenthes merupakan tumbuhan unik yaitu mempunyai kemampuan untuk mencerna serangga yang terperangkap dalam organ berbentuk kantong pada ujung daun untuk memenuhi kebutuhan proteinnya. Nephentes dapat dijadikan sebagai tanaman hias yang memiliki nilai komersial tinggi dan juga sebagai obat-obatan. Sumatera merupakan wilayah terbesar kedua dari penyebaran Nepenthes setelah Kalimantan. Habitat alami dari jenis Nepenthes di Sumatera setiap tahunnya semakin terancam, baik oleh pembalakan liar, kebakaran hutan maupun konversi lahan hutan. Penelitian ini bertujuan untuk menganalisis jenis vegetasi dalam komunitas Nepenthes mirabilis di hutan kampus Institut Agama Islam Negeri Sulthan Thaha Saifuddin Jambi. Penelitian ini merupakan penelitian kualitatif. Metode yang digunakan adalah metode transek. Berdasarkan hasil pengamatan tumbuhan yang ditemukan di sekitar komunitas Nepenthes mirabilis pada plot pengamatan adalah sebanyak 17 famili, yang terdiri dari 26 jenis dan 3547 individu. Jenis tumbuhan yang paling banyak ditemukan di sekitar komunitas Nepenthes mirabilis adalah dari famili Poaceae yaitu Axonopus compressus sebanyak 1336 individu, pada famili Gleicheniaceae yaitu Dicranopteris linearis sebanyak 470 individu dan pada famili Leguminoceae yaitu Mimosa pudica sebanyak 419 individu. Sedangkan jenis tumbuhan yang paling sedikit ditemukan pada famili Polygalaceae dengan jenis Polygala paniculata terdapat 6 individu. Â  Kata Kunci: Vegetasi, Komunitas, Nepenthes mirabilis.