bluuebunny/crossref_metadata_2025_split huggingface dataset:
POTENTIAL OF ENDOPHY BACTERIAL ISOLATE FROM LEAF OF CHINESE TEMPERATURE (Cassia alata L) ON THE GROWTH OF THE BACTERIA OF STAPHYLOCOCCUS AUREUS
Authors: Kobandaha Enisa , Syam s kumaji  , Adnan Malaha  
Published: January 2023

ABSTRACT

This research aims to To determine the effect of endophytic bacterial isolates from the leaves of the Chinese Ketepeng plant (Cassia Alata L) on the growth of Staphylococcus aureus and to determine the significant difference between each treatment of endophytic bacterial isolates from the leaves of the Ketepeng Cina (Cassia Alata L) plant against Staphylococcus aureus.
This research method used a completely randomized design (CRD) with 4 treatments and 6 replications. The treatments were: BEKC 1 (Chinese Ketepeng Endophytic Bacteria 1), BEKC 2 (Chinese Ketepeng Endophytic Bacteria 2), Positive Control (Chloramphenicol), and Negative Control (Aquades).
The results obtained two isolates of endophytic bacteria, namely isolates BEKC 1 with an inhibition zone of 9mm included in the medium category, and isolates BEKC 2 with an inhibition zone of 10mm included in the strong category. Analysis resultthat there was an effect of endophytic bacterial isolates from the leaves of the Chinese ketepeng plant (Cassia alata L) on the growth of Staphylococcus aureus bacteria. Then from the results of further tests using Duncan's test, it was found that each treatment, namely the negative control treatment was significantly different from BEKC 1, BEKC 2 and positive control, while there was no significant difference between BEKC 1, BEKC 2 and positive control.
Keywords : Endophytic Bacteria, Chinese Ketepeng (Cassia alata L), Staphylococcus aureus
The Influence of Information Security Management on Operational Performance of Humanitarian Value Chains in Arid and Semi-Arid Lands of Kenya
Authors: Wachieni Lindsay Nyawira , Muthini Jackson Ndolo , Ndungu Charles K , Mwangi Moses 
Published: January 2023

Purpose: Managements of humanitarian organizations in arid and semi-arid lands have recently become sensitized to the vulnerability of their supply chains. This is due to an ever-increasing range of security breaches and disruptions that affect global value chains especially in information security management. The current study sought to determine the influence of information security management on the operational performance of humanitarian value chains in arid and semi-arid lands of Kenya.
Methodology: The study adopted a cross-sectional design. A target population of 100 respondents was studied through census method from humanitarian organizations operating in arid and semi-arid lands of Kenya. A semi-structured questionnaire was used to collect information whereas descriptive and inferential statistics were used to analyze the data. The results were presented by use of tables.
Findings: Scrutiny of the results of linear regression analysis indicated that information security management significantly predicted the operational performance of the organizations (r=.659, p=0.000).
Unique contribution to theory, practice and policy: The study recommends that humanitarian organizations should put measures into place to ensure access control and safe storage of information. Employees should also be trained in information security management to understand their role on overall organizational performance.
4. Sınıf Türkçe Dersine Yönelik Geliştirilen Web 2.0 Araçlarının Alternatif Ölçme Değerlendirme Araçları İle Çevrimiçi Değerlendirilmesi
Authors: TÜRKOĞLU Ali , ÜNAL Emre 
Published: January 2023

Bu araştırmada, uzaktan eğitim sürecinde ilk okuma yazma öğretiminin alternatif ölçme değerlendirme araçları ile çevrimiçi değerlendirilmesi araştırılmıştır. Bu amaç dahilinde; a) 4. Sınıf Türkçe dersinde Web 2.0 araçlarıyla geliştirilen ölçme değerlendirme araçlarına ilişkin öğretmen görüşlerine, b) geliştirilen Web 2.0 ölçme değerlendirme araçlarının kullanılışlığına ilişkin öğretmen görüşlerine, c) geliştirilen Web 2.0 ölçme değerlendirme araçlarının uygulanmasına ilişkin öğretmen görüşlerine, d) geliştirilen Web 2.0 ölçme değerlendirme araçlarının öğrencideki etkisine ilişkin öğretmen görüşlerine, e) geliştirilen Web 2.0 ölçme değerlendirme araçlarının kullanımına ilişkin öğrenci günlüklerinde yer alan görüşlerine bakılmıştır.
Araştırmaya dördüncü sınıfta görev yapan üç sınıf öğretmeni ve sınıf öğretmenlerinin okuttuğu dördüncü sınıf öğretmenleri katılmıştır. Araştırmada amaçlı örnekleme yöntemlerinden “Tipik Örnekleme Yöntemi” kullanılmıştır. Araştırma eylem planlarının oluşturulması ve eylem planlarının uygulanması süreçlerinden oluşmaktadır. Eylem planları araştırmacı tarafından özgün bir şekilde oluşturulmuştur.
Araştırma sonuçları, öğretmenler geliştirilen Web 2.0 ölçme değerlendirme araçlarının kullanışlı olduğunu, Türkçe derslerinde uygulamasının öğretmenlere ve öğrencilere olumlu etkilerinin olduğunu göstermektedir. Geliştirilen Web 2.0 ölçme değerlendirme araçlarının, öğrencilerin Türkçe derslerine olan meraklarında, duygu ve düşüncelerinde, ilgilerinde ve başarılarında olumlu yönde etkileri olmuştur.
The role of contrast-enhanced ultrasound in the evaluation of hepatobiliary lesions and its correlation with pathological findings
Authors: Kumar Krishan , Kaur Sandeep , Kaur Rupinderjeet , Kaur Taranjeet , Singh Paramdeep 
Published: January 2023

IntroductionTo evaluate the efficacy of contrast-enhanced ultrasound (CEUS) in assessing hepatobiliary lesions, and to correlate the findings of CEUS for hepatobiliary lesions with those of pathological examination performed through fine needle aspiration.Material and methodsThis prospective observational study included 50 patients with hepatobiliary lesions, who were referred for CEUS. The findings of CEUS were correlated with pathological findings.ResultsCEUS was determined to be a highly sensitive and specific imaging modality for the detection and characterization of hepatobiliary lesions, with the sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of CEUS being 100.0%, 96.8%, 66.7%, 100.0%, and 96.7%, respectively, when correlated with pathological findings.ConclusionsCEUS is a highly sensitive and specific imaging modality for the detection and characterization of hepatobiliary lesions, with wide availability in the present scenario.
Comparison of laser therapy and galvanic stimulation on facial appearance and function in Bell’s palsy among south Indian population
Authors: G. Tharani , K. Kamatchi , S. Sharmila , G. Yuvarani , G. Vaishnavi , Pravalika Pothuraju 
Published: January 2023

Introduction and Aim: Bell’s palsy is an instantaneous lower motor neurons injury of 7th cranial nerve associated with infection and swelling. It produces unexpected unilateral weakness of facial muscles, progresses rapidly and attains peak symptoms within a week. The most common age of incidence is between 20 to 40 years. Although facial paralysis in Bell’s palsy is self-limited, only 80% of the patients make a full recovery. There are studies stating that both galvanic electrical stimulation and laser therapy speed up the recovery of facial paralysis, but the extent of complete recovery is unknown. Hence, this study is an attempt to understand and compare how laser therapy and galvanic electrical stimulation affect facial appearance and facial muscle functions in Bell's palsy.

Materials and Methods: This study included thirty subjects with acute onset of Bell’s palsy aged between 20-40 years. They were randomly grouped into A and B. Galvanic electrical stimulation and low-level laser therapy were given to group A and group B respectively for 6 weeks (3 sessions/week) along with facial exercises. Facial disability index scale was used to measure facial muscle function and Sunny brook scale was used to measure facial symmetry in pre- and post-treatment periods.

Results: When comparing the pre- and post-mean values of groups A and B on the Sunny Brook facial grading and the facial disability index (physical, social), group B (with low level laser therapy) showed a highly significant difference in mean values at p 0.001.

Conclusion: Low-level laser therapy can be used as an adjective in treating the patients with Bell’s palsy.
Bacillus strains from the ovaries of Swiss albino mice (Mus musculus): deciphering of probiotic potential through an in vitro approach
Authors: Pilakkavil Chirakkara Sreejesh , Abraham Asha 
Published: January 2023

Introduction and Aim: The health advantages, enhanced organoleptic features, and global economic significance of probiotic-enriched food items have motivated researchers to discover novel probiotics. In light of this, a study was performed to assess the probiotic potential of five Bacillus strains isolated from the ovaries of 8-week-old mice in a previous study.

Materials and Methods: The five Bacillus strains were appraised for their probiotic potentials, such as tolerance to acidic pH, bile salt, and phenol. The haemolytic behaviour, antibiotic sensitivity characteristics, and capacity to produce amylase, protease and L-asparaginase were also assessed.

Results: All the isolates exhibited high survival in simulated gastric juice conditions such as pepsin containing acidic pH environments, up to 1% bile, and 0.5% phenol. Bacillus cereus OM02 and Bacillus velezensis OM03 exhibited the highest tolerance, with 50 % of survival at pH 2.5 and 1% bile salt-containing media. All the isolates were found to be amylase and protease producers and non-beta-haemolytic, however, OM02 and OM04 were beta-haemolytic. Extracts from the strain OM03 also exhibited dosage-dependent ferric-reducing antioxidant power. Except for OM04, which is resistant to ampicillin and sulphatriad, and OM01 and OM02, which are sulphatriad-resistant, all isolates were susceptible to most antibiotics. This is the first study on Bacillus species from Swiss albino mouse ovarian to evaluate probiotic potential.

Conclusion: These findings suggest that Bacillus velezensis OM03, Bacillus aerius OM01, and Bacillus subtilis OM05 are suitable probiotic candidates and may be used in both animal and human formulations to improve consumer health.
Knowledge, attitudes and practices among medical students on blood donation
Authors: P. Khadilkar Niranjan , B.V. Mamatha , M. Bhat Bhagyajyothi , Shreya Crasta Preeval 
Published: January 2023

Introduction and Aim: Blood is a lifesaving component on many occasions. Despite increasing awareness of the importance of blood, there is a wide gap between the demand and supply of blood and its various components. The aim was to determine the knowledge, attitudes and practices on blood donation among the students of a medical college in Mangalore, Dakshina Kannada.

Materials and Methods: The present descriptive observational study was based on the students’ response to the pre-validated questionnaire which had questions regarding the knowledge, attitudes and practices of blood donation. The students studying in different classes of MBBS had been included in the study. The data was analysed using the statistical software SPSS version 28. Qualitative variables were presented as frequency and percentage and quantitative variables as mean± SD. Chi square test was used to find the association of knowledge and attitudes among the gender, p value <0.05 was considered statistically significant.

Results: The MBBS students had an overall good knowledge and favourable attitudes about blood donation. However, many failed to answer some questions regarding the advantage of blood donation and the number of patients who benefited from one unit of blood. We observed a poor practice of blood donation among the MBBS students. This was attributed to lack of opportunity.

Conclusion: The study emphasizes the need for awareness programs and advertisements regarding voluntary blood donation.
La competencia digital en la formación de los profesores de matemáticas
Authors: Benítez-Mero Félix Antonio , Chávez-Ruano Lucia Germania , Benavides-Solís Nilo Alberto , Mora-Caicedo Nelson Xavier 
Published: January 2023

El avance las tecnologías de la información y la comunicación (TIC) es imparable afectando los diferentes ámbitos en la que nos desenvolvemos como miembros de una sociedad, entre ellos el ámbito educativo. Ahora más que nunca es necesario que incorporemos herramientas digitales a los procesos de enseñanza aprendizaje que permitan la internación del alumnado en las distintas asignaturas tal es el caso de las matemáticas. El presente artículo tiene como objetivo analizar el nivel de competencia digital docente de los maestrantes en matemática mención modelación y docencia que oferta la Universidad Técnica Luis Vargas Torres de Esmeraldas (UTLVTE) tomando como referencia para ello el Marco común de competencia digital docente desarrollado por el Instituto Nacional de Tecnologías y Formación del profesorado (INTEF, 2017). El estudio tiene un enfoque cuantitativo no experimental descriptivo cuya muestra está constituida por los 30 maestrantes profesores del área de matemáticas de nivel medio y superior. Los resultados en primera instancia muestran que a pesar que la mayoría de los maestrantes tienen un nivel de competencia digital medio es decir que conocen el funcionamiento de aplicaciones no la utilizan como herramientas para el desarrollo de sus clases.
An earthquake focal mechanism catalog for source and tectonic studies in Mexico from February 1928 to July 2022
Authors: Rodríguez-Pérez Quetzalcoatl , Zúñiga F. Ramón 
Published: January 2023

Abstract. We present a focal mechanism catalog for earthquakes that occurred in Mexico and surrounding areas reported from February 1928 to July 2022. The magnitude of the events varies from -0.9 to 8.2. The hypocentral depth is in the range of 0 < Z < 270 km. Focal mechanisms in this catalog are associated with tectonic, geothermal, and volcanic environments. Reported fault plane solutions were derived using different types of data at local, regional, and teleseismic distances and different methods such as first motions, composite solutions, waveform analysis, and moment tensor inversion. So far, focal mechanism data for earthquakes in Mexico, were dispersed over many publications without any link among them. For this reason, we collected and revised focal mechanism solutions previously reported by different agencies and studies from published sources. Our catalog consists of 5701 fault plane solutions, and we report all the available focal mechanisms obtained by different authors and seismological agencies for each seismic event. Additionally, we classified the fault type into seven types: normal (N), normal – strike-slip (N-SS), strike-slip – normal (SS-N), strike-slip (SS), strike-slip – reverse (SS-R), reverse – strike-slip (R-SS), and reverse (R) providing some preliminary statistics results. We used the ternary diagrams of Kaverina-type classification to verify the rupture type of focal mechanism data. We also provide a classification of the quality of the focal mechanism data into three categories: A, B, and C. A represents good/reliable data, B represents regular, and C represents poor/questionable data according to a well-defined criterion. Our intention is to provide a comprehensive compilation of focal mechanism data which can help in future source and tectonic studies in Mexico. The earthquake focal mechanism catalog (https://figshare.com/articles/dataset/Earthquake_focal_mechanism_catalog_for_Mexico/21663668; Rodríguez-Pérez and Zúñiga, 2022) is given as the Supplement of this paper.
Estimating leaf moisture content at global scale from passive microwave satellite observations of vegetation optical depth
Authors: Forkel Matthias , Schmidt Luisa , Zotta Ruxandra-Maria , Dorigo Wouter , Yebra Marta 
Published: January 2023

Abstract. The moisture content of vegetation canopies controls various ecosystem processes such as plant productivity, transpiration, mortality, and flammability. Leaf moisture content (here defined as the ratio of leaf water mass to leaf dry biomass, or live-fuel moisture content, LFMC) is a vegetation property that is frequently used to estimate flammability and the danger of fire occurrence and spread, and is widely measured at field sites around the globe. LFMC can be retrieved from satellite observations in the visible and infrared domain of the electromagnetic spectrum, which is however hampered by frequent cloud cover or low sun elevation angles. As an alternative, vegetation water content can be estimated from satellite
observations in the microwave domain. For example, studies at local and
regional scales have demonstrated the link between LFMC and vegetation
optical depth (VOD) from passive microwave satellite observations. VOD
describes the attenuation of microwaves in the vegetation layer. However,
neither were the relations between VOD and LFMC investigated at large or
global scales nor has VOD been used to estimate LFMC. Here we aim to estimate LFMC from VOD at large scales, i.e. at coarse spatial resolution,
globally, and at daily time steps over past decadal timescales. Therefore,
our objectives are: (1) to investigate the relation between VOD from different frequencies and LFMC derived from optical sensors and a global database of LFMC site measurements; (2) to test different model structures to estimate LFMC from VOD; and (3) to apply the best-performing model to estimate LFMC at global scales. Our results show that VOD is medium to highly correlated with LFMC in areas with medium to high coverage of short vegetation (grasslands, croplands, shrublands). Forested areas show on average weak correlations, but the variability in correlations is high. A logistic regression model that uses VOD and additionally leaf area index as predictor to account for canopy biomass reaches the highest performance in estimating LFMC. Applying this model to global VOD and LAI observations allows estimating LFMC globally over decadal time series at daily temporal sampling. The derived estimates of LFMC can be used to assess large-scale patterns and temporal changes in vegetation water status, drought conditions, and fire dynamics.
Pyogenic spinal infections warrant a total spine MRI
Authors: Balcescu Cristian , Odeh Khalid , Rosinski Alexander , Nudelman Brandon , Schlauch Adam , Shah Ishan , Ungurean Jr. Victor , Prasad Priya , Leasure Jeremi , Stepansky Flora , Piple Amit , Kondrashov Dimitriy 
Published: January 2023

Abstract. Study design: retrospective case series.
Objective: the presenting clinical symptoms of spinal infections
are often nonspecific and a delay in diagnosis can lead to adverse patient
outcomes. The morbidity and mortality of patients with multifocal spinal
infections is significantly higher compared to unifocal infections. The
purpose of the current study was to analyse the risk factors for multifocal
spinal infections.
Methods: we conducted a retrospective review of all pyogenic
non-tuberculous spinal infections treated surgically at a single tertiary
care medical center from 2006–2020. The medical records, imaging studies,
and laboratory data of 43 patients during this time period were reviewed and
analysed after receiving Institutional Review Board approval. Univariate and
multivariate analyses were performed to identify factors associated with a
multifocal spinal infection.
Results: 15 patients (35 %) had multifocal infections. In
univariate analysis, there was a significant association with chronic kidney
disease (p=0.040), gender (p=0.003), a white blood cell count
(p=0.011), and cervical (p<0.001) or thoracic (p<0.001)
involvement. In multivariate analysis, both cervical and thoracic involvement
remained statistically significant (p=0.001 and p<0.001,
respectively).
Conclusions: patients with infections in the thoracic or cervical
region are more likely to have a multifocal infection. Multifocal pyogenic
spinal infections remain a common entity and a total spine MRI should be
performed to aid in prompt diagnosis.
U Uji Kekerasan (Hardness Test) Kayulapis Kegunaan Khusus Jenis Floorbase untuk Lantai Bangunan Struktural
Authors: Syafii Syafii 
Published: January 2023

Tujuan dari penelitian ini adalah untuk mengetahui dan menganalisis pengaruh komposisi finir yang berbeda terhadap nilai kekerasan (hardness) kayulapis jenis floorbase. Jenis kayulapis ini begitu popular terutama di negara-negara yang banyak membangun rumah prevabrikan, seperti Jepang, Amerika dan Eropa. Umumnya floorbase digunakan sebagai bahan pelapisan atas lantai atau sebagai subflooring, sebagai pilihan lain dari penggunaan lantai keramik atau granit. Karenanya pengujian terhadap nilai kekerasan, yang merupakan satu di antara sifat-sifat mekaniknya menjadi sangat perlu untuk dilakukan. Kayulapis jenis ini umumnya berketebalan minimal 12 mm dengan komposisi finir penyusunnya minimal 5 lapis.
Pengujian kekerasan kayulapis menggunakan metode uji Brinnel. Pengujian Brinell merupakan jenis pengujian kekerasan dengan cara menusuk atau menekan spesimen menggunakan indentor berbentuk bola yang terbuat dari baja yang sudah dikeraskan atau karbida tungsten. Diameter bola indentor adalah 11,284 mm. Contoh uji berukuran lebar 75 mm dan Panjang 150 mm. Besarnya nilai kekerasan terjadi ketika penetrasi atau desakan bola pada permukaan contoh uji membuat cekungan pada permukaan tersebut. Contoh uji besalal dari floorbase yang dibuat dengan 3 perlakuan, yaitu Perlakuan A-1 (kombinasi jenis lapisan finir face/back Meranti Merah, core Meranti Merah dan center core Meranti Batu), Perlakuan A-2 (kombinasi jenis lapisan finir face/back Meranti Merah, core Jelutung dan center core Meranti Batu), dan A-3 (kombinasi jenis lapisan finir face/ back, core dan center core semuanya dari jenis Meranti Merah (all Red Meranti).
Rata-rata nilai kekerasan floorbase dengan ketebalan 12 mm perlakuan A-1 adalam 2700 N/mm2 (jika 1 Newton setara dengan 0,10 kg/cm2, maka 2700 N/mm2 setara dengan ≈ 270 kg/cm2), A-2 sebesar 2500 N/mm2 (≈ 250 kg/cm2) dan perlakuan A-3 sebesar 2900 N/mm2 (≈ 290 kg/cm2). Ketiganya memberikan nilai rata-rata 2700 N/mm2 (≈ 270 kg/cm2). Sedangkan rata-rata nilai kekerasan floor base 14,5 mm dengan perlakuan A-1 adalah 3600 N/mm2 (≈ 360 kg/cm2), A-2 2600 N/mm2 (≈ 260 kg/cm2), dan perlakuan A-3 2200 N/mm2 (≈ 220 kg/cm2). Nilai rata-rata umum kekerasan dari jenis kayulapis floor base ini adalah 2800 N/mm2 (≈ 280 kg/cm2).
Hasil analisis varians menunjukkan bahwa pada floorbase ketebalan 12 mm perbedaan komposisi lapisan finir dari jenis kayu berbeda tidak memberikan pengaruh terhadap nilai kekerasannya. Tetapi tidak demikian pada pengujian terhadap floorbase 14.5 mm, komposisi lapisan finir dari jenis kayu berbeda memberikan pengaruh nyata terhadap nilai kekerasannya. Dan nilai kekerasan tertinggi ditunjukkan oleh kombinasi lapisan finir face/back Meranti Merah, core Meranti Merah dan center core Meranti Batu, dan nilai kekerasan terendah ditunjukkan oleh kayulapis dengan komposisi finir all Red Meranti.
Kata kunci: kayulapis, floorbase, kekerasan, Brinnel