bluuebunny/crossref_metadata_2025 huggingface dataset:
Evaluating the Microbiological Quality of Select Sanitary Pads Sold in Akure Metropolis, Ondo State, Nigeria
Authors:   Department of Microbiology, Federal University of Technology, Akure, Ondo State, Nigeria, B Lawal Opeyemi , Arotupin Daniel J ,   Department of Microbiology, Federal University of Technology, Akure, Ondo State, Nigeria, Akinsemolu Adenike A ,   Department of Microbiology, Federal University of Technology, Akure, Ondo State, Nigeria
Published: December 2023

This study conducted microbiological evaluations of various brands of sanitary pads sold in Akure metropolis in Ondo State, Nigeria. The sanitary pads from different brands, including Always, Everyday, Ladycare, Ladychoice, Lovina, Rosemary, and Softcare, were collected and analyzed to determine the presence of microorganisms. Microorganisms were isolated from the sanitary pads using appropriate media such as Nutrient Agar and Potato Dextrose Agar, employing standard methods. The study revealed a diverse range of microorganisms, including bacteria such as Bacillus cereus, Clostridium perfringens, Staphylococcus aureus, Veillonella parvula, and Lactobacillus antri. Additionally, fungal species like Rhizopus stolonifer, Aspergillus fumigatus, Aspergillus niger, Fusarium oxysporum, and Trichoderma sp. were isolated from the sanitary pads. The presence of microorganisms on sanitary pads underscores their non-sterile nature. While some of the isolated microorganisms have the potential to cause infections, the vaginal pH and the presence of beneficial microorganisms like Lactobacilli sp. in the vagina may counteract the risk of infections from microorganisms present in sanitary pads. Thus, sanitary pads are considered safe for use. Nonetheless, maintaining a healthy lifestyle remains crucial.
Recognizing Wellens Syndrome in a Family Practice Setting
Authors:   Department of Family Medicine, University of Pittsburgh Medical Center Lititz, USA, M Soliman , A Voelckers ,   Department of Family Medicine, University of Pittsburgh Medical Center Lititz, USA
Published: December 2023

Wellens syndrome is an Electrocardiographic (ECG) pattern that is associated critical stenosis of the Left Anterior Descending (LAD) artery. It manifests as either biphasic T waves in V2-V3 (type A) or deeply negative T waves in V2-V4 (type B). These T-wave abnormalities are persistent and can endure for hours to weeks. Patients with Wellens syndrome often lack chest pain and typically display normal or slightly elevated cardiac enzyme levels. It is critical for clinicians working in both outpatient and inpatient clinical settings to understand and recognize these ECG changes and its association with critical LAD obstruction and significant risk of anterior wall myocardial infarction. In this case report, we present a unique case of Wellens syndrome type B in an asymptomatic 83-year-old male patient initially assessed and evaluated in an outpatient family practice clinical setting.
General Installation of (4H)-Imidazolone cis-Amide Bioisosteres Along the Peptide Backbone
Authors: Wall Brendan , O'Brien Emily , Sharma Krishna , Donovan Aaron , VanVeller Brett
Published: December 2023

Imidazolones represent an important class of heterocycles present in a wide-range of pharmaceuticals, metabolites, naturally-occurring bioactive natural products, and serve as the active chromophore in green fluorescent protein (GFP). Recently imidazolones have received attention for their ability to act as an amide bond bioisotere to improve pharmacokinetic properties. Herein we present a tandem amidine installation and subsequent cyclization with an adjacent ester to yield (4H)-imidazolone products. By using amino acid building blocks, we can access the first examples of alpha-chiral imidazolones which have been previously inaccessible. Additionally, our method is amenable to on-resin installation and can be integrated seamlessly into existing solid-phase peptide synthesis (SPPS) protocols. Finally, we show that imidazolones can act as \textit{cis}-amide bond surrogates to assist in pre-organizing linear peptides for head-to-tail macrocyclization. This work represents the first general approach to backbone and side-chain insertion of imidazolone bioisosteres at various positions in linear and cyclic peptides.
Ligand Shell Thickness of PEGylated Gold Nanoparticles Controls Cellular Uptake and Radiation Enhancement
Authors: Lawrence Paul T. , Daniels Avery S. , Tierney Allison J. , Sykes E. Charles H. , Mace Charles R.
Published: December 2023

The drive to improve the safety and efficacy of radiotherapies for cancers has prompted the development of nanomaterials that can locally amplify the radiation dose at a tumor without damaging the surrounding healthy tissue. Gold nanoparticles (Au NPs), in particular, exhibit promising radiosensitizing properties under kilovolt X-ray exposure, although the precise mechanism behind this enhancement is not fully understood. While most studies recognize the involvement of factors such as core composition, size, shape, and ligand chemistry in the effectiveness of Au NPs for radiation-induced cancer treatment, there is a scarcity of direct assessments that connect the photophysical properties of the nanomaterial with the observed cellular or biological outcomes. Despite previous evidence of low energy electron (LEE) emission from Au NPs and their potential to initiate biological damage, to our knowledge, no studies directly correlate the LEE emission with radiation-induced cell death. In this study we assessed Au NPs functionalized with polyethylene glycol (PEG) ligands of varying molecular weights and lengths (1, 5, and 20 kDa PEG) as potential radiosensitizers of A549 lung cancer cells using kilovolt X- ray source potentials (33–130 kVp). We assessed NP internalization using mass cytometry, radiation dose enhancement using clonogenic survival assays, and LEE emission using a novel retarding field analyzer. Results reveal a statistically significant difference in cellular uptake and radiation dose enhancement for 5 kDa PEG-Au NPs compared to formulations using 1 and 20 kDa PEG, while analysis of LEE emission spectra demonstrated that differences in the length of the PEG ligand did not cause statistically significant attenuation of LEE flux. Consequently, we inferred that increased cellular uptake of NPs to be the cause for the observed enhancement in radiosensitivity for 5 kDa PEGylated Au NPs. The approach used in this study establishes a more complete workflow for designing and characterizing the performance of nanomaterial radiosensitizers, allowing for quantification of LEEs and cellular uptake and ultimately correlation with localized dose enhancement that leads to cell death.
Efficient mapping of CO adsorption on Cu_(1-x)M_x bimetallic alloys via Machine Learning
Authors: Salomone Mattia , Re Fiorentin Michele , Risplendi Francesca , Raffone Federico , Sommer Timo , García-Melchor Max , Cicero Giancarlo
Published: December 2023

The electrochemical reduction of CO2 (CO2RR) has the potential to allay the greenhouse gas effect while also addressing global energy challenges by producing value-added fuels and chemicals (mostly C2 molecules such as ethylene and ethanol). However, due to the complicated chemical pathways involved, achieving high selectivity and efficiency towards specific reduction products remains challenging. In fact, the design of more selective and efficient catalysts often relies on trial-and-error approaches, which are very time consuming and resource intensive. In response, driven by the inherent importance of CO adsorption energy in the conversion of CO2 into C2+ hydrocarbons and alcohols, we propose a two-step approach employing machine learning classification and regression algorithms to predict CO binding energies on CuM(111)/(100) (M = Al, Ti, V, Fe, Co, Ni, Zn, Nb, Mo, Ru, Pd, Ag, Cd, Sn, Sb, Hf, W, Ir, Pt, Au) bimetallic surfaces. Firstly, we assess the stability of each adsorption site by utilizing classification algorithms. Subsequently, focusing exclusively on the stable sites, we employ regression models to predict the adsorption energies of CO. Remarkably, by employing a Gradient Boosting Classifier and Neural Networks for classification, together with a Gradient Boosting Regressor for regression, we predict CO binding energies with high level of robustness and accuracy for Cu bimetallic alloys with up to 17% of surface impurity concentrations. The accuracy of our models is demonstrated by F1 scores exceeding 98% and MSE below 0.05 eV^2 for the classification and regression parts, respectively. These remarkable results highlight the adaptability of our approach and its capability for efficiently screening Cu-based CO2RR electrocatalysts, enabling rapid evaluation of promising candidates for future in-depth explorations.
Parent Porphyrin (Porphine) and its Complexes with 3d Metals
Authors: Plutnar Jan , Bednárová Lucie , Císařová Ivana , Dračínský Martin , Krepsová Lenka , Tarábek Ján , MICHL JOSEF
Published: December 2023

We report an improved synthesis of porphine from d-tartaric acid, its conversion to complexes with Mg(II), V(IV), Mn(III), Fe(III), Co(II), Ni(II), Cu(II) and Zn(II), their IR, UV-vis, NMR, XPS, and mass spectra, and single crystal X-ray diffraction structures of meso-tetrakis(n-hexyloxycarbonyl)porphyrin and (porphyrinato)manganese(III) bromide.
Caracterización de la norma ISO 9001:2015 a través de la mejora continua para su implementación en organizaciones con inteligencia artificial
Authors: Vázquez Cid de León Carlos , Alcántara Sánchez Asenet Nizandaya , Montesinos González Salvador
Published: December 2023

La norma ISO 9001:2015 es un estándar aplicado a los sistemas de gestión de la calidad y su implementación tiene como objetivo mejorar la calidad de los productos o servicios que brinda una organización para satisfacer los requisitos del cliente, así como los requisitos legales y reglamentarios. Esta norma utiliza un enfoque basado en procesos, que incluye el ciclo de mejora continua de planificar-hacer-verificar-actuar (PHVA), y abarca siete puntos auditables que se integran en el sistema. En relación con ello, para lograr el objetivo de esta investigación, se empleó un tipo de investigación descriptiva, transeccional y no experimental, cuyos resultados incluyen una caracterización de la norma ISO 9001:2015, así como una propuesta que aborda los puntos auditables a través de diferentes herramientas y métodos, con el fin de cumplir con los requisitos de dicha norma. Al finalizar la revisión de la literatura, se ha concluido que existen artículos que solo abordan una pequeña parte de la norma, lo que ha llevado a ampliar esta investigación para generar una propuesta que sea de utilidad y sirva como una guía metodológica para las organizaciones que busquen certificarse en dicha norma, con el objetivo de lograr la mejora continua.
SIRBİSTAN’DAKİ TÜRK DERNEKLERİ VE ÜLKEDE YAŞAYAN TÜRK-LERE YÖNELİK POLİTİKALARI 2002-2021
Authors: TÜRK Fahri , BAJRAKTAREVIC Delva
Published: December 2023

Bu çalışmanın konusu Sırbistan’da yaşayan Türklerin kurmuş oldukları sivil toplum örgütlerinin Türkçe öğretiminde oynadıkları rolü sorgulamaktır. Her ne kadar Sırbistan Türklerinin azınlık haklarını kullanma düzeyleri, ülkede yaşayan güçlü azınlıklar olan Hırvatlar, Macarlar, Romenler ve Makedonyalıların sahip oldukları haklarla boy öl-çüşmekten uzak iseler de son yıllarda özellikle Sırbistan Türkleri Derneği (Udruzenje Turaka u Srbiji) söz konusu milletin kültürel haklarının kullanılmasında (Türkçenin öğretilmesi) olağanüstü bir gayret sarf etmektedir. Bu kapsamda Sırbistan Türkleri Derneği kadar olmasa da Türkiye ve Sırbistan arasındaki ilişkilerin gelişmesine katkı sunan Uluslararası Sırp Türk Dostluk Derneği (Internationalna Nevladina Asocijacija za Toleranciu) de değerlendirilmeye tabi tutulmaktadır. Bu çalışmada yukarıda dile getirilen derneklerin Türkçe öğretimine yönelik faaliyetleri Belgrad yönetiminin libe-ral bir Anayasa kabul ettiği yıl olan 2006 yılı milat olarak kabul edilmek suretiyle çözümlemeye tabi tutulmaktadır. Bu çalışmada “Sırbistan’daki Türk dernekleri Türk-çenin öğretilmesinde ve Türklerin azınlık statüsü elde edebilmelerinde ne dereceye kadar rol oynamaktadırlar? sorusuna cevap aranmaktadır. Alan çalışmasında toplanan veriler niteliksel içerik çözümlemesi vasıtasıyla değerlendirilmeye tabi tutulmuştur.
Optimization of ethanol and bioactive compounds fermentation of Elaeocarpus
hygrophilus Kurz by using response surface methodology
Authors: Giang N.T.N. , Tan N.D.
Published: December 2023

Elaeocarpus hygrophilus Kurz is used for food such as jam, lactic fermentation, picking
with rice wine, etc. To enhance the value and contribute to product diversification of
Elaeocarpus hygrophilus, the optimizing wine fermentation by response surface
methodology (RSM) was conducted with 2 factors including initial total soluble solids (20
-30oBrix) and pH (3.5-4.5). The 3-level factional design used for optimizing the effect of
initial total soluble and pH were in agreement with the quadratic regression models well
with R2
>0.85. Based on the response surface plots, the optimal parameters of fermentation
were 23oBrix and pH 4.4. In the optimized condition, the ethanol content of E.
hygrophilus wine was 7.33 % v.v-1
. In 100 g of dry matter, the content of phenolic,
flavonoid and tannin in wine was 0.47 g TAE, 0.20 g QE and 1.67 g TAE, respectively.
Effects of guava (Psidium guajava) leaf extract on the quality of striped catfish
(Pangasianodon hypophthalmus) fillets during frozen storage
Authors: Tran M.P. , Huynh T.K.D. , Nguyen L.A.D. , Nguyen Q.T. , Nguyen T.N.H. , Ho Q.P.
Published: December 2023

This study aimed to investigate the effects of guava (Psidium guajava) leaf extract on the
quality of striped catfish (Pangasianodon hypophthalmus) fillets during 18 months of
frozen storage (-20±2°C). The study included three treatments, soaking striped catfish
fillets in cold tap water as a control treatment, in 5.04 µg/mL Psidium guajava extract and
in 313 µg/mL Psidium guajava extract. The samples were stored for 18 months and
sampling was done at 0, 1, 3, 6, 9, 12 and 18 months. Evaluated parameters included total
viable count (TVC), physicochemical parameters (water holding capacity (WHC), total
volatile basic nitrogen (TVB-N), peroxide value (PV), thiobarbituric acid reactive
substances (TBARs), moisture and pH), sensory properties and colour measurement.
Results showed that striped catfish fillets treated with Psidium guajava extract reduced
lipid oxidation inhibited bacteria growth, and enhanced sensory properties compared to
untreated samples. In addition, treatment of Psidium guajava extract did not affect the pH,
moisture, WHC, TVB-N and colour of fillets during frozen storage. Based on the total
viable count, physicochemical parameters and sensory quality, it can be concluded that
striped catfish fillets untreated or treated with Psidium guajava (5.04 and 313 µg/mL)
extracts can be used for up to 18 months.
PENGEMBANGAN LKPD BERBASIS PENDEKATAN SAINTIFIK PADA KONSEP KOLOID: PRAKTIKUM PENJERNIHAN AIR MENGGUNAKAN KITOSAN DARI CANGKANG KEPITING (Scylla serrata)
Authors: Murniati Dewi -
Published: December 2023

Penelitian ini bertujuan menghasilkan LKPD berbasis pendekatan saintifik pada konsep koloid untuk praktikum penjernihan air menggunakan kitosan dari Cangkang Kepiting (Scylla serrata). Penelitian ini menggunakan model 4D yang terdiri dari empat tahap, yaitu tahap define (pendefinisian), design (perancangan), development (pengembangan) dan disseminate (penyebaran). Penelitian ini dibatasi hanya sampai tahap development. Instrumen yang digunakan berupa angket analisis kebutuhan, angket analisis karakteristik peserta didik, lembar validasi isi LKPD oleh ahli, angket respon peserta didik, dan angket respon guru. Validasi isi LKPD dilakukan oleh 2 orang validator ahli yang terdiri dari 2 dosen kimia. Berdasarkan penilaian validator, dihasilkan LKPD yang valid dan layak diuji coba. Tahap uji coba LKPD dilakukan terbatas terhadap 10 orang peserta didik kelas XI IPA di SMA Triguna Utama dan 5 orang guru mata pelajaran kimia yang mengajar di SMA/MA. Berdasarkan hasil angket respon peserta didik dan guru, diperoleh respon positif terhadap LKPD yang dikembangkan masing-masing memperoleh persentase rata-rata sebesar 82,08%  dan 83,85% yang termasuk dalam kategori sangat baik, sehingga dapat disimpulkan LKPD yang telah dikembangkan layak digunakan dalam pembelajaran konsep koloid.

 

Kata kunci: LKPD,  Pendekatan Saintifik, Koloid, Kitosan
Recensión de “O erário régio – as contas e o poder 1762-1833” de Manuel Benavente Rodrigues. Edições mgi, lisboa, 2022
Authors: Ferraz Carlos
Published: December 2023

Apresentado durante a VIII Jornada de História da Contabilidade do CECH da APOTEC, realizado em 2022.11.26, em Coimbra, o livro baseia-se na tese de doutoramento do autor. Já antes, na sua dissertação de mestrado, intitulada “O Erário Régio e as contas do Reino no ano de 1765: o Poder e a Contabilidade”, o mesmo tinha-se debruçado sobre a Instituição. Porém, agora trata-a de uma forma mais alargada, mais sistematizada e mais profunda.
Ingurumen-justizia nazioartean: giza eskubideak benetan bermatzeko bitartekoa
Authors: Bellmont Arteaga Yari Saidy , Guenaga Garai Galder
Published: December 2023

Ingurumenaren suntsiketak injustizia larriak eragiten ditu eta, bereziki, planetako biztanle ahulenei erasaten die, neurrigabeko ingurumen-sakrifizioa jasanaraziz. Horregatik, premiazkoa da ingurumen-justiziaren nozioa ulertzea. Eta hori da, hain zuzen ere, artikuluaren muina, zeinak agerian uzten duen sistema juridikoek duten joera ingurumen-eskubideak ezinbesteko baldintzatzat aitortzeko giza eskubideak bete daitezen. Aitortza hori hainbat bidetatik egiten da nazioartean, baina nabarmena da jurisprudentziaren bidez egiteko joera. Horregatik, garrantzitsua da ingurumenjustizia ikuspegi askotarikoak dituen genero edo kontzeptu zabal gisa jorratzea, baita haren alderdi jurisdikzionala aztertzea ere, nazioartean ingurumen-justizia nola definitzen eta interpretatzen den azaltzeko.
Perancangan Sistem Informasi Potensi Wisata Desa Lokotoy Berbasis Website
Authors: Ali Satriadi D , Utiarahman Siti Andini , Utiarahman Isra Mirna
Published: December 2023

Konsep pariwisata perdesaan (rural tourism) dengan cirinya produk unik, khas serta ramah lingkungan menjadi solusi bagi pengembangan kepariwisataan. Sebagai respon atas pergeseran minat wisatawan tersebut Indonesia tumbuh pilihan wisata baru berupa desa-desa wisata di berbagai provinsi di Indonesia. Desa Lokotoi merupakan salah satu desa yang terletak di kabupaten Banggai Laut. Desa Lokotoi memiliki prospek pengembangan yang sangat menjanjikan dengan melihat potensi pariwisata yang mempunyai daya pesona khas seperti potensi wisata alam, dan potensi wisata pantai yaitu Pantai Oyama. Namun potensi ini masih belum dimanfaatkan dan belum diolah secara baik terutama dalam penyebaran informasi wisata. Sehingga wisatawan kurang mendapatkan informasi dan tidak mengetahui tempat wisata di desa tersebut. Pengembangan pariwisata yang menggunakan pendekatan keruangan dapat dilihat dari kedudukan objek wisata terhadap objek wisata lain, hal ini dimaksudkan untuk melihat potensi yang dimiliki objek wisata dan adanya kemungkinan untuk dikembangkan atau berkembang. Tujuan utama penelitian ini adalah memanfaatkan teknologi informasi dan semakin banyaknya pengguna internet. Peneliti akan memanfaatkan media tersebut untuk mempublikasikan tempat wisata yang berada di Desa Lokotoi dengan cara membangun sistem informasi potensi pariwisata berbasis web yang nantinya dapat membantu promosi sektor pariwisata Desa Lokotoi. Website sendiri merupakan suatu metode untuk menampilkan informasi di dalam internet, baik berupa teks, gambar, suara, maupun video yang interaktif. Sistem ini akan memberikan informasi mengenai lokasi objek wisata yang kemudian dapat menarik minat wisatawan untuk berkunjung ke objek wisata Desa Lokotoi. Sistem dapat dengan mudah dioperasikan oleh pengguna dan dapat diakses oleh siapa saja, dengan harapan memberikan umpan baik yang positif sehingga mampu menarik minat wisatawan yang nantinya akan memberikan pendapatan daerah dan Negara khususnya dari sektor pariwisata
SOCIAL-PROFESSIONAL ENVIRONMENT OF PERSONALITY
Authors: Stryzhakov Artem
Published: December 2023

In the conditions of globalization and the chaotic nature of the normative and value system, the problem of world perception formation is particularly important: how do we want to see the global world?Interpersonal relationships can be relations of tolerance and cooperation; advantage and exploitation, oppression or care and support. In this case, the personality will be in different social environments. Accordingly, the process of its development will take place in different ways. The correlation of the concepts “environment” and “spaciousness” is analogous to the correlation of “part” and “whole”. Environment can be contained in space because “spaciousness” is multidimensional and “environment” is only one of its dimensions. Spaciousness contains the past, present and future times; the environment is representation of the present events.Keywords: personality, environment, spaciousness, social-professional environment, self-regulation, life activities.
THEORETICAL ASPECTS THE FORMATION ARTISTIC-REFLEXIVE SKILLS OF MASTER MUSIC STUDENTS IN THE PROCESS PIANO TRAINING
Authors: Zijian Yao
Published: December 2023

The article deals with the problem of forming artistic and reflexive skills of master students of musical art in the process of piano training on the basis of psychological, pedagogical and artistic and pedagogical analysis of scientific and methodological work on the problems of reflection, artistic reflection and reflexive skills of future teachers of musical art, teachers of art disciplines. It has been established that the reflection of master students of musical art makes it possible to personally model the process of piano teaching based on self-observation, self-assessment and self-correction of learning activities. It is noted that the awareness of the value of the mission of a music teacher in the context of its comparison with personal motivation for professional achievements testifies to the formation of reflective skills. The mechanism of artistic reflection of master students of musical art is revealed, which is based on the involvement of mental actions and operations of analysis, synthesis, comparison, concretization, abstraction, etc. A scientific generalization of the essence of the artistic and reflective skills of master's students of musical art is made, and the characteristic features of these skills are specified. Key words. Artistic and reflexive skills, master students of musical art, piano training, reflection, artistic reflection, self-observation, self-evaluation, self-correction, reflective analysis, artistic activity, mental actions and operations, functions of thinking.
DIAGNOSTICS OF FORMATION OF SELF-CONTROL ABILITY OF FUTURE TEACHERS OF MUSIC AND CHOREOGRAPHY
Authors: Xinyan Ho
Published: December 2023

The article reveals the process of diagnosing the formation of the ability to self-control future music and choreography teachers in the process of performance. Рrovided qualitative and quantitative characteristics of the levels of self-control ability of students of arts faculties, namely: high, sufficient, medium, low. The structure of the formation of the self-control ability of future music and choreography teachers in the process of performance activity is diagnosed: motivational-adaptive, competence-integrative, performance-projective components and their indicators. After conducting the ascertaining stage of the experiment, we came to the conclusion that the ability to self-control future music and choreography teachers in the process of performing activities cannot be qualitatively formed by classical methods. Therefore, at the formative stage of the experiment, we will work with students of the faculties of arts, using modern author's work methods.Key words: future teachers of music and choreography, diagnosis, ability to self-control, executive activity, methodology, experiment.
Perkembangan Desain Produk Kerajinan Perak Koto Gadang sebagai Potensi Daerah di Sumatera Barat
Authors: Yensharti Yensharti , Afriwan Hendra
Published: December 2023

Silver Koto Gadang is an attempt to descend from their ancestors who have inherited from their parents, prosperity, children, and grandchildren as well as silver craftsmanship skills. The silver crafts owned by Koto Gadang are one of the elements that are incorporated into the customs of the community such as jewelry, curtain clothes, customary clothing and including the weddings of the region. The Koto Gadang community still uses the manual technique because the craftsmen maintain the custody of their products, in addition to preserving the historical value that the technique inherited downwards. This paper focuses more on library research using data analysis and qualitative analysis. Silver Koto Gadang, is an undertaking where all the communities there have skills as silver craftsmen, and one of these Nagari Koto gadang makes silver jewellery as a social culture in social customs. Seeing the potential of silver crafts from Koto Gadang is a great opportunity for Nagari Kato Gadang as the center of art crafts silver that is located in the village of Koto IV, Koto Gadan Kabupatean Agam which is chosen as the centre of silversmiths.Keywords: Silverwork; Koto Gadang; Design: Potensial.
Forms and Methods of Developing Social Adaptation Skills of Children’s Music School Students by Means of Musical and Theatrical Activities
Authors: Bondarenko Larysa , Maysak Oleksandra
Published: December 2023

In the article, based on the analysis of scientific sources on the specified problem, the essential characteristics of the main concepts of the study are presented. The expediency of using the means of musical and theatrical activity in the development of social adaptation skills of students of children’s music schools is substantiated. It is emphasized that a powerful means of optimizing the process of social adaptation of children is art, which is considered one of the most effective means of internalizing social experience, values, etc. Thanks to artistic, in particular musical and theatrical activities, a conditional reality is created in which the student learns to recognize and satisfy his needs, enrich his interests, and determine the general trajectory of his life path. Musical and theatrical activities give students the opportunity to gain experience in social communication as part of their studies. Individual, group, and collective forms of interaction of students using creative and performing activities, which can be carried out in various ways (performance on musical instruments and vocal performances, games in performances, rhythmic and plastic improvisations with musical accompaniment, movements, and dances, etc.) are offered. Relevant methods of development of the specified skills, which involve the use of a set of exercises, are highlighted. These exercises can be used not only for the development of these skills, but also for the improvement of performance skills, artistry, empathy, self-regulation of the psychological state during a stage performance, etc. through the awareness and manifestation of bodily, emotional sensations and ideas.
Development of Creative Skills of Future Teachers of Music Art by Means of Innovative Technologies
Authors: Terіаіeva Larysa
Published: December 2023

An urgent problem of modern Ukrainian education is not only the task of improving the quality of training of competitive specialists, but also the ability of teachers to apply innovative methodological support, effective principles, methods and forms of work in the educational process, to use modern music information technologies and computer programs in musical and pedagogical activities to create, converting and performing musical works.
Modern education needs the introduction of innovative approaches, methods, forms and means of learning using information and music computer technologies into the educational process. The analysis of the main studies and publications on this issue confirmed the positive influence of innovative technologies on student motivation and the quality of education.
The use of innovative teaching technologies in the educational process contributes not only to the improvement of the quality of training of future music teachers, but also to their introduction to compositional creativity and performing arts. Music information technologies, modern multimedia tools and music production software motivate students’ learning, activate their creative activity, develop musical memory, creative thinking, promote creative composer’s imagination, give students the opportunity to create their own music directly on a mobile phone at any time.
Cinquain in Developing the Methodological Culture of a Future Music Teacher Considering Hermeneutic Approach
Authors: Koval Anastasiia
Published: December 2023

In the context of humanistic paradigm in education, we study the reorientation of the learning process to the category of understanding as one of the most important components in developing a teacher’s professional competences and culture. By designing the methodology for developing the methodological culture of a future music teacher considering hermeneutic approach, we came to the conclusion that this process will be successful provided that the educational process is oriented towards the dialogic interaction of educatees, the choice of work methods and approaches with due regard to their direction towards the search for deeper meanings during the analysis and processing of information, as well as finding the most important and essential fragments in the information material with the further reflection of such fragments. Cinquain is one of such methods and the specificities of its application became the topic of our study. Composing of a cinquain is a form of creativity when an author demonstrates their abilities to find the most essential elements when analyzing the information, make conclusions and summarize them. Out of cinquain varieties, we were most interested in a didactic one, the purpose of which is to ensure the process of free creativity of the individual without focusing on a certain number of syllables, but with semantic and syntactic requirements for each line. The use of cinquain makes it possible to test the acquired knowledge of students within a single topic and content module and, in some cases, to establish interdisciplinary links between several educational components and help students comprehend the process of professional training as a holistic system. In its turn, the creation of cinquains allows students to develop such qualities as thinking and attention, develop their critical thinking, enrich vocabulary, consolidate theoretical knowledge of subjects and, most importantly, to express their own attitude and reasonable stance regarding certain phenomena of the educational process and to show their artistic endeavors and creativity in the process of creation.
Model of Developing Improvisation Skills of a Future Vocal Artist in Solo Singing Classes
Authors: Myroshnychenko Valerii
Published: December 2023

In the contemporary system of higher arts education, teachers of culture and arts, in particular solo singing, face an important task — to develop music piece analysis and interpretation skills and vocal and motor skills in future vocal artists, as the student in the course of learning must perfectly master not only different
vocal techniques, but also must create an artistic image of the piece through facial expressions, gestures and movements. The development of improvisation skills is an important component of professional training of future vocal artists. The paper considers the feasibility of the model of developing jazz improvisation
skills of future vocal artists in solo singing classes. When designing the model, we established and analyzed the interrelations between the structural components of the process of developing jazz improvisation skills of future vocal artists in solo singing classes. The conducted analysis made it possible to identify three structural components of our model: methodological (implies the purpose, approaches and principles of the process of jazz improvisation skills development), content (includes the structural components of jazz improvisation of future vocal artists) and organizational/technological component (includes
the methodology of diagnosing the levels of development of jazz improvisation skills of future vocal artists, criteria, indicators and levels of jazz improvisation skills development). The process of developing jazz improvisation skills of future vocal artists in solo singing classes is complex and multifaceted, and students’ ability to jazz improvisation is one of the special competencies that characterize a future vocal artist as a specialist in their field.
Using Drones to Attract K-12 Students Towards Construction: A Pilot Study of Middle School Students’ attitudes, Perceptions, and Interests
Authors: Isingizwe Josiane , Eiris Ricardo , Albeaino Gilles , Gheisari Masoud
Published: December 2023

Drones continue to support the growth of the construction industry; however, activities that use drones for K-12 education are still minimal and exploratory. Particularly, no studies have explored the use of drone technologies to attract students towards construction disciplines. The contribution of this study centers on better understanding how drones can be relied upon to create interest and motivation in K-12 students by showcasing the construction domain to the next generation of the workforce. This study investigated the attitudes and interests towards construction of eleven middle school students enrolled in a Summer Youth Camp at the Michigan Technological University. During this study, a construction-centric drone education activity was designed and implemented during a 3-hour long session within a large lab space. Students completed an adapted version of the S-STEM Survey before and after participating in the activity. Although differences in the survey scores for attitudes towards STEM subjects and interests in construction careers were noticed, no significant changes were observed by the educational activity. Ultimately, this study recommends the use of drones in K-12 activities and purposes exploring how students can be attracted to the construction disciplines as future research.
Efectos del cambio de poder en el sector manufacturero de México
Authors: Morales Ramírez Dionicio
Published: December 2023

El propósito de este artículo es establecer si el cambio de poder que resulta de las elecciones presidenciales en México, tiene algún efecto sobre la industria manufacturera desagregada. Mediante el uso de series de tiempo, y un modelo autorregresivo con variables ficticias, se encontró que de las cuarenta y nueve ramas que integran la actividad económica de la industria manufacturera, veintinueve de ellas se ven afectadas por el evento político. Los resultados mostrados por las veintidós actividades indican que tres de ellas experimentan una contracción y cuatro, una expansión antes del cambio de poder; en tanto que catorce de ellas experimentan contracción, y solamente una presenta expansión después del cambio de poder.
Regresión espuria en especificaciones dinámicas
Authors: Gómez Zaldivar Manuel , Manjarrez Castro Oscar , Ventosa-Santaulària Daniel
Published: December 2023

La regresión espuria ha sido documentada en econometría desde el trabajo de Granger y Newbold (1974). Dicho fenómeno ha sido identificado usando una vasta diversidad de Procesos Generadores de Datos que van desde una simple raíz unitaria sin deriva (unit root without drift), hasta una serie estacionaria en tendencia con rompimientos estructurales (broken trend stationary). No obstante, la especificación bajo la cual se han realizado estos trabajos es la regresión simple con una sola variable explicativa. En este documento se demuestra que, usando series estacionarias en tendencia independientes entre sí, la regresión espuria también ocurre cuando se estima una especificación dinámica. Dicha especificación dinámica es empleada frecuentemente en el estudio de las expectativas. Los resultados amplían y complementan dos cuestiones que con frecuencia son sugeridas en los manuales de econometría: cuando el proceso es estacionario en tendencia con quiebres estructurales, (i) en especificaciones dinámicas, el estadístico Durbin-Watson no tiende a cero, por lo que no es una prueba fiable de regresión espuria, y (ii) la inclusión de la variable dependiente rezagada en el conjunto de explicativas no siempre corrige el problema de la regresión espuria. JEL classification: C12, C13, C22.
Political institutions and tax rate initiatives
Authors: Ponce Rodríguez Raúl Alberto
Published: December 2023

In a model of a representative democracy, we incorporate into the analysis of tax design the constitutional provision that allows voters to propose tax initiatives. In this paper, we present a theory of tax substitution as the rationale for a tax rate limit (TRL) initiative. In our model the tax system at the status quo is determined by the electoral competition between parties. This political institution aggregates the voters’ preferences for tax policy according to the voters’ marginal proportion of the expected vote that different coalition of voters can deliver in the election. The approval of a TRL, however, depends on the majority rule, and it aggregates the preferences of the median voter of tax initiatives. Thus, a TRL is the result of two political institutions with different mechanisms to aggregate the preferences of voters. Moreover, our paper distinguishes the role of perfect and imperfect information on the distribution of voters´ preferences for tax systems in approving a tax initiative. In this paper we identify conditions on the distribution of preferences and income of the electorate and the median voter that guarantee the approval (rejection) of tax initiatives. Clasificación JEL: H2; H23; H1
Las tendencias de la pobreza y la desigualdad: una evidencia para los departamentos de Colombia
Authors: Cotte Poveda Alexander , Pardo Martínez Clara Inés
Published: December 2023

Este estudio estima las tendencias de la pobreza y la desigualdad utilizando el análisis envolvente de datos (DEA) y datos de panel en Colombia durante el periodo 1993-2007. En este trabajo se propone un modelo DEA para medir y clasificar las tendencias en pobreza, desigualdad y desarrollo. La clasificación obtenida a partir del DEA muestra variaciones en los puntajes de los departamentos colombianos en el periodo analizado. Con el fin de establecer las causas de estas variaciones, se aplica un análisis de regresión utilizando datos de un panel que demostró que los departamentos con mayor densidad poblacional, tasa de desempleo, tasa de homicidios y mayor concentración de la propiedad tienen un menor grado de eficiencia; mientras que los departamentos con mayor cobertura en salud, educación e inversión pública tienen mejores resultados en su eficiencia, según las estimaciones arrojadas por el modelo de regresión. Los hallazgos de este análisis sugieren que la disminución de la pobreza y la desigualdad podrían alcanzarse a través de estrategias adecuadas que garanticen el desarrollo y el crecimiento económico con políticas focalizadas en mejorar el bienestar de la sociedad. Clasificación JEL: O49, O18, C14.
Modelación de decisiones laborales de los padres y las madres de Nuevo León: aplicación de los modelos de negociación
Authors: Ortiz Rodríguez Jeyle
Published: December 2023

En el presente artículo, se modela la toma de decisiones de oferta laboral de los padres y las madres de familia de Nuevo León, y se encuentran los diferentes niveles de bienestar que ambos integrantes pudieran enfrentar por diferentes horas de trabajo remunerado para cada uno. Se utilizan los modelos de negociación y se analizan bajo el enfoque de teoría de juegos. Se adapta una metodología para la separación de los bienes consumidos por cada integrante de los hogares, lo cual permite estimar un sistema de demandas para la madre y otro para el padre de familia, y se rechaza la existencia del modelo unitario. Como parte de los resultados, se encuentra que, entre las principales causas microeconómicas que influyen en la reducción del nivel de participación de las madres de familia en el mercado laboral remunerado, están el nivel de escolaridad del padre de familia, la edad de la madre de familia y el número de hijos menores de cinco años. Clasificación JEL: C7, C71.
Mexican Migrants to the United States: an Alternative Methodology
Authors: Martínez José
Published: December 2023

Mexicans are the largest immigrant group in the United States. There is a lack of consensus about whether migrants from Mexico are positively or negatively selected. Data from the Mexican census suggest migrants are negatively selected while data from the U.S. census suggest intermediate selection. Both data sources undercount migrants, with Mexican sources systematically undercounting more educated migrants and U.S. sources undercounting less educated migrants. Net migration techniques are used to estimate migration flows during the 1990s and obtain estimates which present a more accurate characterization of Mexican immigrants. Three main conclusions are reached. First, the net flow of Mexicans to the United States during the 1990s was about 10 percent less than the U.S. census data suggest. Second, migrants are younger and less female than suggested by the U.S. census, but older and more female than suggested by the Mexican census. Third, U.S. census data significantly overstate the educational attainment of migrants. However, the disagreement in the literature on migrant selection results less from who is counted in Mexican and U.S. data and more on the responses given to the Mexican and U.S. census questions on schooling. JEL Classification: F22, O15, J15.
Determinantes económicos del nivel de empleo. Alguna evidencia para Argentina
Authors: Lanteri Luis N.
Published: December 2023

Durante los años noventa, algunos países en desarrollo emprendieron reformas en el mercado de trabajo y abrieron sus economías al resto del mundo, medidas que no se tradujeron, como se esperaba, en mejoras sustanciales para los niveles de empleo e ingresos en esas economías. Argentina, en cambio, adoptó en años recientes una política tendiente a proteger el mercado doméstico, lo cual permitió aumentar considerablemente el nivel de empleo. En este trabajo, se analiza el mercado de trabajo argentino a partir de una ecuación de demanda laboral y de modelos VEC (modelo de corrección de equilibrio vectorial), de acuerdo con la propuesta de Johansen (1988) y Johansen y Juselius (1990), para el período 1994:3- 2011:2. Clasificación JEL: J08, J23, E24, F16.
Poverty dynamics in rural Mexico: What does the future hold?
Authors: Gómez Urquiza Javier Parada , López Feldman Alejandro
Published: December 2023

We use panel data from the 2002-2007 period to analyze poverty dynamics in rural Mexico. The poverty measures show almost three fifths of the surveyed households experienced poverty at least once, while one fifth were cataloged as chronically poor. Additionally, asset accumulation dynamics show that there is low asset mobility and that the level of welfare Mexican rural households are expected to reach in the long run would be above poverty, but still quite low (per capita income equal to 6.35 times the Mexican food poverty line). JEL Classification: I32, O12.
Assessment of the transcriptional activity of cyclin genes in gastric tissues of patients infected with Helicobacter pylori
Authors: Voropaev E. , Osipkina O. , Voropaeva A. , Achinovich S.
Published: December 2023

The article presents the result of the authors' own experience in the study of transcriptional activity of cyclin genes in gastric tissue samples from patients diagnosed with gastric malignant neoplasm against the background of conﬁrmed Helicobacter pylori infection. Based on the obtained data, a molecular-genetic method of assessing the pathophysiological state of gastric tissues on the basis of complex analysis of the level of transcriptional activity of cyclin genes is proposed.
TOPOGRAPHY AND HISTOLOGY OF PAROTID GLAND IN ONE HUMPED CAMEL
Authors: S.AL-Samarrae N. , 0. Rabie F. , A. Abbas T.
Published: December 2023

The parotid salivary gland in one humped camel (camelus dromedarius) is located along the caudal edge of the ramus of mandible and on the masseter muscle. The gland has a long triangular outline and a red-brown color. The lateral surface is covered by parotid fascia and the cutaneous and parotido-auricularis muscles. It is bounded dorsally by zygomatico-auricularis muscle. The gland takes its blood supply from three branches which come from the facial artery that supply the middle and distal part of the gland, while the proximal part receives its blood supply from the superficial temporal and cranial temporal arteries. The parotid duct of the gland passes over the lateral surface of the masseter muscle, inferior to the orbital cavity and opens into the opposite 4th upper cheek tooth. 

Histologically, the gland appears as compound tubulosaccular and with serous secretion. It has a lobular structure with a functional unit that resembles the acinus. The acini are lined by cells which are pyramidal in shape and contain zymogen granules with spherical, centrally located nuclei. The interlobular ducts are connected by straight ducts and took a straight course. The epithelial lining of the straight ducts are cuboidal to tall columnar cells.
SOME TOPOGRAPHICAL AND HISTOARCHITECTURAL STUDY OF PARATHYROID GLAND OF LAYING HENS
Authors: S, AL-Samarrae N. , J. Al-Samarrae A. , 0., Rabie. F.
Published: December 2023

Grossly, there are bilaterally paired, round to oval parathyroid glands in laying hens. The glands are situated, intrathoracic, near the caudal pole of thyroid gland or beneath the division of brachiocephalic arteries. They recieve blood by short branches from common  carotid or from oesophageal artery. Histologically, the glands were composed of distinct nests or cords of chief cells but there were no oxyphils as in the parathroid of some mammals.
AN OUTBREAK OF CONTAGIOUS ECTHYMA IN ADULT SHEEP
Authors: S. Barhoom Salameh , M. Al-Darraji Ali , S. Al-Bana Anton , H.Al-Hadawi Muthafar.
Published: December 2023

This report documents an outbreak of contagious ecthyma in adult Iraqi sheep with high morbidity and low mortality. The clinioal findigs of the disease were: severe involvement of the buccal, gingival, labial and lingual mucosae. The causative agent was isolated in secondary lamb testis cells and identified by using a reference anti-contagious ecthyma antiserum.
TREATMENT OF RINGWOMB IN SHAMI GOATS
Authors: M. FATHALLA, , S.0. HUSSAIN
Published: December 2023

Twenty Shami goats, aged 2-4 years at time of parturition were suffering from dystocia due to incomlete dilatation of the cervix (Ringwomb). 4 of them had preparturient prolagse of the vagina and cervix accompanying ringwomb. All animals were treated by manual dilatation of the cervix. 10 animals were given either a single intramuscular injection of 16 mg of Dexamthazone or 7.5mg  of PGF2 analogue. Results of treatments indicaeted that dystocia was relieved in the following percent ages for different treatment. 10% (2 animals), 80% (8 animals), 100% (10 animals) and 100% (2 animals ) respectively. It may be concluded that hormonal treatment was superior to other form of treatment and both dexamethazone and prostaglandin F2 were almost equally effective in treatment of dystocia due to ringwomb in Shamigoats and can replace exposing the animals to major surgery.