bluuebunny/crossref_metadata_2025 huggingface dataset:
Effects of patin fish oil and turmeric extract on levels of malondialdehyde and superoxide dismutase in wistar rat models of metabolic syndrome
Authors: Kartika Sari Ni Nengah Asti , Sulchan Mohammad , Afifah Diana Nur
Published: July 2024

Increased oxidative stress in metabolic syndrome conditions leads to increased malondialdehyde and decreased superoxide dismutase. Patin fish oil (Pangasius hypophthalmus) and turmeric extract (Curcuma longa Linn.) contain bioactive compounds that play a role in improving malondialdehyde and superoxide dismutase levels. The research obtained to measure the effectiveness of patin fish oil, turmeric extract, and their combination against MDA and SOD levels. The research applied an experimental design of randomized pre-post test control groups. Research location at PSPG Animal Laboratory, UGM Yogyakarta in August to October 2023. Wistar male white rats (thirty rats) were randomly divided into five groups, namely K- (Normals), K+ (HFFD), P1(HFFD+catfish oil dose of 0,08 ml/200grBB), P2(HFFD+turmeric extract dose of 5,04 mg/kgBB), and P3(HFFD+catfish oil dose of 0,08 ml/200grBB+turmeric extract dose of 5,04 mg/kgBB). Intervention for 28 days. Information analysis utilizing combined t-test and one-way ANOVA test taken after by post-hoc test. Outcome, catfish oil, turmeric extract, and their combination of them all had an significant effects on MDA levels (p=0,000) and SODs (p=0,000). The mean reduce in MDA levels and increment in SOD were more prominent in P3, which amounted to 5,29±0,28 nmol/ml and 22,62±7,03 units/ml. In conclusion, catfish oil and turmeric extract successfully decrease MDA and increment SOD. The combination of both have the potential to improve metabolic syndrome.
Pengaruh pemberian jus kurma terhadap peningkatan kadar hemoglobin pada remaja putri
Authors: Yuniwati Cut , Sayahputra Anda , Henniwati Henniwati
Published: July 2024

Latar Belakang: Anemia banyak terjadi pada masyarakat terutama pada remaja dan ibu hamil. Anemia pada remaja putri sampai saat ini masih cukup tinggi. Dampak anemia gizi besi pada remaja adalah menurunnya produktivitas kerja ataupun kemampuan akademis disekolah, karena tidak adanya gairah belajar dan konsentrasi belajar. Kurma bermanfaat untuk meningkatkan kadar hemoglobin dalam darah. Tujuan: Untuk mengetahui pemberian jus kurma berpengaruh terhadap peningkatan kadar hemoglobin. Metode: Jenis penelitian pra eksperimen dengan rancangan one group pretest posttest desain. Sampel berjumlah 63 remaja di Desa Karang Anyar. Jus kurma diberikan sebanyak 250 ml selama 14 hari. Instrumen yang digunakan berupa lembar observasi dan SOP pembuatan jus kurma. Analisis menggunakan uji Wilcoxon test. Hasil: Adanya peningkatan kadar hemoglobin setelah diberikan jus kurma dengan nilai rata-rata 31,50, hasilstatistik didapat nilai sig. 0.000, yang bermakna pemberian jus kurma berpengaruh terhadap peningkatan kadar hemoglobin pada remaja putri. Kesimpulan: Pemberian jus kurma dapat meningkatan kadar hemoglobin pada remaja putri di Desa Karang Anyar Kecamatan Langsa Baro Kota Langsa.
Hubungan pengetahuan remaja putri dengan sikap personal hygiene saat menstruasi di wilayah kerja Puskesmas Selemadeg Timur 1
Authors: Ervinawati Ni Putu Pande , Udayani Ni Putu Mirah Yunita , Adhiestiani Ni Made Egar , Widiastini Luh Putu
Published: July 2024

Latar Belakang: Remaja sebagai individu yang berkembang saat awal mula dia memperlihatkan ciri seksual sekundernya sampai saat dia mendapatkan meturitas seksual. Tujuan: Tujuan dari penelitian ini yaitu  untuk mengetahui Hubungan Pengetahuan Remaja Putri dengan Sikap Personal Hygiene Saat Manstruasi di Wilayah Kerja Puskesmas Selemadeg Timur 1. Metode: Penelitian ini menggunakan desain analitik dengan pendekatan cross sectional. Cara pengambilan sampel yang digunakan adalah non probability sampling dengan jumlah sampel sebanyak 71 responden. Analisi data menggunakan spearman rank. Hasil : Hasil penelitian menunjukkan mayoritas tingkat pengetahuan remaja tentang sikap personal hygiene saat menstruasi diwilayah kerja adalah baik sebesar 51 orang (71,8%) memiliki tingkat pengetahuan baik, mayoritas sikap personal hygiene saat mestruasi pada remaja putri. Nilai p value 0,001 (<0,05). Kesimpulan: ada Hubungan Pengetahuan Remaja Putri dengan Sikap Personal Hygiene Saat Manstruasi. Penelitian ini diyakini dapat memberi informasi dan menjadi sumber perspektif untuk eksplorasi lebih lanjut tentang hubungan pengetahuan remaja putri dengan sikap kebersihan diri dalam siklus kewanitaan.
Islamic Education Educators during the Abbasid Dynasty (Analysis of Historical Studies of Islamic Education)
Authors: Sapii Muhammad
Published: July 2024

This research aims to find out the names of educators during the Abbasid Dynasty and to find out who the caliphs were during. The historical method consists of data collection, source criticism, interpretation and finally historiography. The research approaches used in this research are a geographic approach, a sociological approach, an educational approach and historical education. The results of this research are that the educators presented by the researchers were 14 people, namely: 1) Imam Abu Hanifah Rahimahullah (80-150 H/700-767 M), 2) Imam Malik Rahimahullah (93 -179 H/712-796 M), 3) Imam Syafi’i Rahimahullah (150-204 H/767-820 M), 4) Imam Ahmad Rahimahullah (164-241 H/781-856 M), 5) Imam Ad-Darimi Rahimahullah (181-255 H/798-869 M), 6) Imam Al-Bukhari Rahimahullah (194-256 H/810-871 M), 7) Imam At-Tarmidzi Rahimahullah (200-279 H/816-892 M), 8) Imam Abu Daud Rahimahullah (202-275 H/818-889 M), 9) Imam Muslim Rahimahullah (204-261 H/820-875 M), 10) Imam Ibnu Majah Rahimahullah (209-273 H/825-887 M), 11) Imam An-Nasaai Rahimahullah (215-303 H/830-906 M), 12) Abu Ja’far Muhammad bin Jarir Ath-Thabari Rahimahullah (224-310 H/839-923 M), 13) Imam Daarud Ad-Qudni Rahimahullah (306-385 H/919-995 M), dan  14) Imam Al-Baihaqi Rahimahullah (384-458 H/995-1.066 M).
Hubungan Kebiasaan Membaca Karya Sastra dan Keterampilan Menulis Puisi
Authors: Putri Widya Amalia , Mulyaningsih Indrya , Itaristanti
Published: July 2024

This study aims to describe: (1) the habit of reading literature, (2) the skill of writing poetry, (3) the relationship between the habit of reading literature and the skill of writing poetry in class IX students of SMPN 3 Losari Brebes. This research is a qualitative correlation research. Data were analyzed using descriptive statistical techniques, the results of this study are as follows. First, based on the results of data analysis on the habit of reading literary works, it can be obtained that 4 students (12%) are in the very good category, 12 students (36%) are in the high category, 14 students (43%) are in the low category and 3 are in the very good category. students (9%) in the very low category. The reading habit of class IX students of SMPN 3 Losari Brebes can be said to be moderate. Second, based on the analysis of poetry writing skill data, information can be obtained that there are 8 students (24%) in the very high category, 7 students (21%) in the high category, 15 students (46%) in the low category and 3 students ( 9%) in the very low category. The skill of writing poetry for class IX students of SMPN 3 Losari Brebes can be said to be moderate. Third, there is a positive and significant relationship between reading habits and poetry writing skills in SMPN 3 Losari Brebes students. Pearson Correlation value of 0.918 (perfect category). The implication of the results of this study is that poetry writing skills are determined by several factors, one of which is the habit of reading literary works. To improve students' poetry reading skills, it is necessary to make efforts to increase the habit of reading literature which has a positive and significant relationship between the habit of reading literary works and the skill of writing.
Komparasi Penokohan dari Novel ke Film Seperti Dendam Rindu Harus Dibayar Tuntas
Authors: Eriana Anida , Ekawati Mursia , Rizal M. Daniel Fahmi
Published: July 2024

The transition of written literary works into cinematic literary works is referred to as ecranization, linguistically the process of transferring from a literary work to film form. The research entitled "Komparasi Penokohan dari Novel ke Film Seperti Dendam Rindu Harus Dibayar Tuntas" is based on the idea that a work can not only be translated, a work can also be translated into other works. This study uses qualitative descriptive methods with an ecranization approach and compares the results of the analysis obtained from the ecranization process. This study aims to find out what are the comparative forms of characterization in novels and films Seperti Dendam Rindu Harus Dibayar Tuntas by Eka Kurniawan with an ekranization approach. The purpose of this study is to obtain a comparative description of characterizations in stories in novels and films Seperti Dendam, Rindu Harus Dibayar Tuntas by Eka Kurniawan based on additions, changes, similarities, and omissions with an approach ekranization. The results of this study obtained 67 data in the form of 7 additions, 10 changes, 13 equations, and 37 omissions from a total of 32 characters contained in the novel.
Konteks Sosial dan Konteks Sejarah dalam Novel Senja di Jakarta Karya Mochtar Lubis: Tinjauan Sosiologi Sastra Georg Lukacs
Authors: Mayriskha Diva , Astuty  , Dewi Liana Sinta
Published: July 2024

This research is motivated by the phenomena of the social context and historical context that appear in sentences in the novel Senja di Jakarta and contain historical events that have been experienced by Indonesia. The purpose of this study is to obtain a description of the social context and historical context contained in the novel Senja di Jakarta by Mochtar Lubis. This study uses a qualitative descriptive analysis with social context and historical context research subjects. The data used are in the form of words, phrases, sentences, and discourse while the research source used is the novel Senja di Jakarta by Mochtar Lubis. The results of this study found three forms of social context, namely socio-political aspects, economic aspects, and socio-cultural aspects. There are five categories of socio-political aspects, six categories of economic aspects, and four categories of socio-cultural aspects. The historical context contains five categories which include KNIL troops, the Japanese occupation, the handover of power by the Dutch to RIS and NICA, the debate over the Irian Jaya region at the United Nations, and the betrayal of Indonesians who supported NICA.
Kritik Sosial dalam Novel Burung Kayu Karya Niduparas Erlang (Tinjauan Sosiologi Sastra)
Authors: Arum Dyah sekar , Amalia Laili Rizki , Putri Widya Ryolita
Published: July 2024

This research aims to describe the inner conflicts experienced by the characters in the story novel Burung Kayu Niduparas Erlang's work is based on Soerjono Soekanto's theory of social criticism using a Literary Sociology approach. The research method used is descriptive qualitative. The data source for this research is the novel Burung Kayu by Niduparas Erlang, published by Teroka Press in June 2020 with 174 pages. Data research techniques using reading and note-taking methods and literature. The results of this research are social problems which become a social criticism in the novel Burung Kayu according to Soekanto's theory, namely: violence, war, environmental problems.
Analisis Sosiologi Sastra Novel “Kembali” Karya Sofia Mafaza
Authors: Perdana Adhi Dian
Published: July 2024

As social creatures, we must be able to interact socially well with this easy-to-access environment and era. The author is interested in analyzing the novel Back because the novel is very interesting and the storyline that is presented is closely related to students and a social life that is often found in everyday life. This study aims to appreciate literature by reading, studying, enjoying the storyline and analyzing a novel titled Back by Sofia Mafaza. This study uses descriptive qualitative methods, using the study of literary sociology and intrinsic elements. Sociology as a study of literary works related to how one can interact with the surrounding environment. In the research sociology of literature study discusses 1). Sociology of authors 2). Social Condition 3). Social conditions of society 4). Religious values 5). Social society 6) Social culture 7). Intergovernmental social learning and students 8). Educational Value. From the results analyzed using descriptive qualitative methods, this novel discusses the main characters who can interact well between characters. Social interactions in the novel include mutual cooperation, social service, cooperation, meetings and counseling between siblings and siblings.
Peran Pembelajaran Pantun dalam Penguatan Karakter Santun Era Digital
Authors: Andayani Ruli , Mardiyana Indra
Published: July 2024

Pantun is a classic work of Indonesian literature that still exists today. The didactic values contained in it are still relevant to the times, especially as a strengthening of polite character for the younger generation. As an adaptation and modernization effort, pantun learning can be done by utilizing technology. This research aims to describe (1) the value of polite character in pantun and (2) the form of digital-based pantun learning. The research was conducted descriptively-qualitatively. Data collection was done through observation, interview, and literature study. The research data is in the form of verbal information about pantun obtained from literature review, as well as observation and interview notes. The results showed that through pantun, students can communicate politely, namely when greeting, conveying motivational messages, and giving advice or suggestions among peers. Students showed high enthusiasm when participating in digital-based pantun learning. All students were able to write and display their works according to the stimulus given by the teacher.
Analisis Nilai Pendidikan Moral Cerpen “Istriku” Karya Etik, ST (Kajian Psikoanalisis Sigmund Freud)
Authors: Anjani Nasywa Maudyna , Sihole Irene Gabriella , Kurniawan Eva Dwi
Published: July 2024

Based on Sigmund Freud's psychoanalytic theory, the "id, ego and superego" perspective, this research aims to explain the value of moral education in the ST story "My Wife by Ethics". Statements or quotations from texts that contain moral educational value are the data sources for this research. This study is qualitative in nature. The 4-page short story entitled My Ethics Work, ST, which was first published by the Student Press Institute PENDAPA Tamansiswa, is the data source for this research. Reading and note-taking methods were used to collect research data. Next, data analysis is carried out by reducing, presenting and drawing conclusions. The research results show that in the short story Istriku, the perspectives of the id, ego and superego are very important for moral education. In Totok's impulsiveness to borrow money and his threat to Ajik, the id perspective is reflected. Ego is shown when Totok cannot balance his needs with moral reality, such as in killing his wife. The superego is reflected in Totok's regret and Ajik's actions, which show awareness of social and moral norms. This research increases our understanding of the value of moral education in the short story Istriku, as well as its contribution to psychoanalysis and literary studies.
The relationship between organizational precursors and employee creativity during COVID-19 pandemic: An examination of the psychological safety mediation effect
Authors: Chu May Amy Yeo , Tan Xuen Min  , Arni Rudiawarni Felizia
Published: July 2024

The study aims to examine the mediating effect of psychological safety on the relationship between organizational antecedents (corporate social responsibility or CSR, transformational leadership style, and perceived organizational support) and employee creativity. This study lends its support to the mediating effect of psychological safety to inspect the underlying reasons that motivate employees to be more creative. The study employed a positivist approach based on 220 respondents. Data was collected through an online open-ended questionnaire using a convenient sampling technique. The collected data were further analyzed using partial least square structural equation modeling. The key findings reveal that the four domains of CSR (legal, philanthropy, economic and ethical), transformational leadership style, and perceived organizational contribute to creating a climate of psychological safety among employees. This climate, in turn, mediates the relationship between these organizational factors and employee creativity. This study highlights the importance of psychological safety as a mediator that motivates employees to be more creative. The results also underscore the need for organizational leaders to review CSR policies, leadership styles, and the support provided to employees to foster psychological safety and, consequently, stimulate employee creativity.
Designing Surface Profiles with Zero and Finite Adhesion
Authors: Popov Valentin L. ,   Department of System Dynamics and Friction Physics, Technische Universität Berlin, Berlin, Germany
Published: July 2024

A simple but general analysis of the stability of axis-symmetric adhesive contacts is provided. Adhesion is considered in the JKR-approximation. Depending on the shape of the contacting bodies, various scenarios are possible, including vanishing adhesive force, complete contact as well as transitions between these extremes.
التقريب العددي لمسألة القطع المكافئ المضطرب بشكل فردي من نوع انتشار الحمل الحراري مع حالة اولية متقطعة
Authors: حسن محمود سعيد
Published: July 2024

تم فحص مشكلة القطع المكافئ المضطرب بشكل فردي من نوع انتشار الحمل الحراري مع حالة أولية متقطعة. يتم تحديد دالة خطأ مجانية معينة تتوافق مع الانقطاع في الحالة الأولية. يتم تقريب الفرق بين هذه الوظيفة التحليلية وحل مشكلة القطع المكافئ عدديًا. يتم استخدام التحويل الإحداثي بحيث يمكن محاذاة الشبكة المكيفة للطبقة مع الطبقة الداخلية الموجودة في المحلول. تم تقديم التحليل العددي للطريقة العددية المرتبطة بها، والتي تثبت أن الطريقة العددية هي طريقة عددية موحدة المعلمة. تم عرض النتائج العددية لتوضيح حدود الخطأ النقطية المحددة في البحث
تحليل اتجاه اسعار الاسهم باستخدام مؤشر الداو جونز/دراسة تطبيقية في سوق العراق للاوراق المالية
Authors: زينب هادي علي  , أ.م.د شذى عبد الحسين جبر
Published: July 2024

يهدف البحث الحالي الى تحليل اسعار الاسهم بإستخدام نظرية الداو جونز احد ابرز نظريات التحليل الفني المستخدمة في الاسواق المالية العالمية للتنبؤ باتجاهات اسعار الاسهم للشركات المدرجة في سوق العراق للاوراق المالية البحث والتي شملت ست قطاعات ( المصارف – الاتصالات – الصناعة -الخدمات – الفنادق الزراعة ) من اصل تسع قطاعات وشملت العينة 30 شركة ممن تنطبق عليها شروط البحث ، لمدة زمنية امدها (60) شهراً  من 1 كانون الثاني 2017 ولغاية 31كانون الاول 2021  وتم الاستعانة بنظرية ( الداو جونز ) لتحليل اسعار اسهم الشركات عينة البحث وتوصل البحث الى مجموعة من النتائج كان اهمها انه يمكن تحليل ومراقبة حالة السوق واتجاهاته المستقبلية من خلال استخدام نظرية الداو جونز حيث اضهرت النتائج تذبذب في اسعار الاسهم للشركات عينة البحث ، ويعود سببه للتغيرات الاقتصادية والسياسية التي مر بها الدولة خلال المدة ( 2017-2021) .
الدور التفاعلي لسعادة الزبون لتعزيز دور الاظهار المادي للمنتج في تحقيق ولاء الزبون / بحث ميداني في عينة من مطاعم بغداد
Authors: م. مصطفى رعد صالح  , م. نور حسين فخري
Published: July 2024

يهدف البحث الى تحديد الدور التفاعلي لسعادة الزبون لتعزيز تأثير الاظهار المادي للمنتج في تحقيق ولاء الزبون، اذ تتمحور مشكلة البحث حول عدد التساؤلات عن متغيرات البحث  استهدف الاجابة عليها كونها احد المرتكزات الاساسية في الفكر الاداري المعاصر، وتشخيص علاقة الارتباط والتأثير عبر الدور التفاعلي، وتألفت عينة البحث من عدد من الزبائن في مجموعة من مطاعم محافظة بغداد بلغ عددها (250) زبون، وتم الاعتماد على الاستبانة في جمع البيانات واستعين بعدد من الوسائل الاحصائية المتمثلة بالاوساط الحسابية والانحرافات المعيارية ومعامل الارتباط بيرسون ومعامل الانحدار المتعدد ومعامل الانحدار المتعدد المتدرج من خلال استخدام البرنامج الاخصائي SPSS وبرنامج Excel لقياس التاثير التفاعلي.
وتوصل البحث الى مجموعة من الاستنتاجات اهمها ان اهتمام العينة المبحوثة بأليات تطبيق سعادة الزبون من شأنه ان يعزز تأثير الاظهار المادي للمنتج في تحقيق ولاء الزبون، اذ ان وجود السعادة الى جانب تبني ممارسات الاظهار المادي من شأنها تحسين مستوى الولاء، وهذا يدل على ان العلاقة التأثيرية بين الاظهار المادي للمنتج وولاء الزبون  يتغير تبعا لتغير مستوى السعادة  لدى الزبائن، مما يوصي بتصميم بيئة مادية مناسبة للمنتجات والخدمات التي تقدمها المطاعم من خلال خلق الشعور بالسعادة لدى الزبائن وقياس مدى ولاءهم للخدمات المقدمة وبما يسهم في رسم رؤيتها المستقبلية.
دور الإدارة في تحقيق مساواة الانتفاع في المال العام
Authors: م. سلمى غضبان حسن
Published: July 2024

يحكم الاموال العامة مجموعة من المبادئ التي تؤدي الى سير المرفق العام بانتظام واطراد ومن هذه المبادئ مبدا مساواة الانتفاع بالمال العام اذ يحق للأفراد استخدام المال العام والانتفاع من خدماته وفقا للضوابط المحددة للاستخدام وبما يتلائم والغرض الذي خصص من اجله المال العام ولا يجوز للإدارة اقتصار الانتفاع على فئة دون غيرها والا عرضت قرارتها للإلغاء
CLEANING WATER SURFACE CONTAMINATED WITH LIGHT OIL FRACTION USING A NEW HYBRID SORBENT
Authors: Molodinashvili Zaza  , Kopaleishvili Maka  , Gabunia Tinatin  , Shatakishvili Tamar  , Chikaidze Marina  , Razmadze Dali
Published: July 2024

For obtaining of porous materials natural sorbents – perlite, zeolite and diatomite were chosen. Thermal and chemical modification and then hydrophobization of the sorbents was carried out. The optimal conditions were determined; amidoaldehyde oligomers were synthesized with the aim of their usage as a matrix in composition of porous materials characterized with high sorption activity and ability to float on the surface of water together with the absorbed compounds. Their removal from the water surface is possible mechanically. Hybrid porous polymers are characterized by selectivity, fire resistance, wide range variability of properties depending on the structure and ratio of initial substances.
Classification of C. annuum and C. frutescens Ripening Stages: How Well Does Deep Learning Perform?
Authors: Hanafi Marsyita , Shafie Siti Mariam , Ibrahim Zarina
Published: July 2024

Chilli is one of the world's most widely grown crops. Among all of the chilli variants, C. annuum and C. frustescents are the most prevalent and consistently liked variants in Asia, where it is appreciated for its strong taste and pungency. Nevertheless, harvesting at the proper ripening stage according to their colour, size, and texture is essential to ensure the best quality, marketability, and shelf life. Currently, visual inspection is the primary method used by farmers, which is time-consuming and complicated. Even though automated chilli classification using computer vision and intelligent methods has received scholars' attention, the classification of C. annuum and C. frustescents ripening stages using deep learning models has not been extensively studied. Hence, this study aims to investigate the effectiveness of three deep learning models, namely EfficientNetB0, VGG16 and ResNet50, in classifying chilli ripening stages into unripe, ripe, and overripe classes. We also introduce a huge dataset comprising 9,022 images of C. annuum and C. frustescents chilli under various growth stages and imaging conditions which provides sufficient samples for the deep learning modelling. The experimental results show that the ResNet50 model outperforms other models with more than 95% accuracy for all classes.
ABSTRAK: Cili merupakan salah satu tanaman terbanyak ditanam di dunia. Antara semua varian cili, C. annuum dan C. frustescents adalah yang paling meluas ditanam dan merupakan varian paling pedas di Asia, kerana rasanya yang kuat. Namun begitu, penuaian pada peringkat cili matang mengikut warna, saiz dan teksturnya adalah penting bagi memastikan kualiti, kebolehpasaran dan jangka hayat terbaik. Pada masa ini, pemeriksaan visual adalah kaedah utama yang diguna pakai petani bagi memeriksa cili, tetapi ia memakan masa dan rumit. Walaupun pengelasan cili secara automatik menguna pakai kaedah komputer dan pintar mendapat perhatian sarjana, kajian tentang klasifikasi cili jenis C. annuum dan C. frustescent pada peringkat matang menggunakan model pembelajaran mendalam masih belum begitu meluas. Oleh itu, kajian ini bertujuan bagi mengkaji keberkesanan tiga model pembelajaran mendalam, iaitu EfficientNetB0, VGG16 dan ResNet50, dalam mengklasifikasi kematangan cili pada beberapa peringkat matang cili seperti belum masak, masak dan terlalu masak. Kami juga memperkenalkan set data yang besar terdiri daripada 9,022 imej cili C. annuum dan C. frustescents  pada pelbagai peringkat pertumbuhan dan keadaan imej, bagi menyediakan sampel yang cukup untuk membina model pembelajaran mendalam. Hasil dapatan eksperimen mendapati model ResNet50 mengatasi model lain dengan peratusan 95% lebih tepat berbanding semua kelas.
Biomarkers Identification from Urine of Dengue Patients Through GCMS for Initial Development of Non-Invasive Diagnostic Kit
Authors: Amid Azura , Abdullah Sani Muhamad Shirwan , Abdullah Aszrin , Mohamed Bakrim Norbaiyah , Wan Omar Wan Fatein Nabeila , Zakaria Nurul Aulia , Abdullah Nor Zamzila , Nik Ahmad Nik Nur Fatnoon
Published: July 2024

Dengue infection detection methods namely dengue serology test and Real-Time PCR are only available in clinical laboratories or healthcare facilities. This is time-consuming and inconvenient for patients. Thus, a non-invasive on-site urinary diagnostic kit for dengue infection that requires no trained personnel for blood extraction would be advantageous and warranted, albeit in developed or underdeveloped nations with limited resources. To develop the on-site diagnostic kit, an identification of biomarkers related to dengue infection is needed. This preliminary study aims to identify potential metabolite biomarkers from the urine of dengue patients using GCMS analysis. Urine samples of patients with serologically confirmed dengue infection were analyzed and compared with healthy volunteers. The study shows that the GCMS approach can identify differences in the urine of dengue patients from healthy volunteers. Heptacosane, Hexadecane, 2,4-bis(1,1-dimethylethyl) phenol, 2-bromooctane, tetradecane, hexyl octyl ester sulfurous acid, 2-benzoyl methyl ester benzoic acid, 2,9-dimethyl decane, and pentadecane were identified from the urine of dengue patients. The identified secretion of alkane may be a suitable candidate for colorimetric assay for the development of a user-friendly, home-screening rapid test kit for the detection of dengue infection.
ABSTRAK: Kaedah pengesanan jangkitan denggi seperti ujian serologi denggi dan PCR masa nyata, merupakan kaedah biasa yang digunakan di makmal klinikal atau pusat kesihatan. Ianya memakan masa dan menyukarkan pesakit. Oleh itu, kit diagnostik air kencing yang tidak invasif yang tidak memerlukan kakitangan terlatih bagi mengekstrak darah adalah sangat berguna dan diperlukan bagi mengesan jangkitan denggi, sama ada di negara maju atau tidak membangun dengan sumber terhad. Bagi membangunkan kit diagnostik ini, pengesanan penanda bio berkaitan jangkitan denggi diperlukan. Kajian awal ini bertujuan bagi mengenal pasti penanda bio metabolit yang berkaitan pada air kencing pesakit denggi dengan menggunakan analisis GC/MS. Sampel air kencing pesakit yang disahkan secara serologi telah dikaji dan dibandingkan dengan sukarelawan yang sihat. Kajian menunjukkan teknik GCMS dapat mengenal pasti perbezaan antara air kencing pesakit denggi dan sukarelawan yang sihat. Heptakosane, Hekzadekane, fenol 2,4-bis(1,1-dimetiletil), 2-bromookten, tetradekana, asid sulfurik ester heksil oktil, asid benzoik metil ester 2-benzoik, 2,9-dimetil dekana, dan pentadekana telah dikenal pasti terkumpul dalam air kencing pesakit denggi. Rembesan alkana merupakan penanda bio yang sesuai bagi ujian kolorimetrik dalam membangunkan kit ujian pantas diagnostik yang mesra pengguna bagi mengesan denggi di rumah.
Brain Tumor Segmentation and Classification Using CNN Pre-Trained VGG-16 Model in MRI Images
Authors: T. Gayathri , K. Sundeep Kumar
Published: July 2024

The formation of a group of abnormal cells in the brain that penetrate the neighboring tissues is known as a brain tumor. The initial detection of brain tumors is necessary to aid doctors in treating cancer patients to increase the survival rate. Various deep learning models are discovered and developed for efficient brain tumor detection and classification. In this research, a transfer learning-based approach is proposed to resolve overfitting issues in classification. The BraTS – 2018 dataset is utilized in this research for segmentation and classification. Batch normalization is utilized in this experiment for data pre-processing and fed to a convolutional layer of CNN for extracting features from Magnetic Resonance Images (MRI). Then, an Adaptive Whale Optimization (AWO) algorithm is utilized to select effective features. This work proposes a Convolutional Neural Network (CNN) based segmentation and a transfer learning-based VGG-16 model for effective classification. The performance of the proposed CNN-VGG-16 technique is analyzed through various tumor regions like TC, ET, and WT. The proposed method attains a Dice score accuracy of 99.6%, 95.35%, and 94%, respectively, when compared to other existing algorithms like CNN, VGG-net, and ResNet.
ABSTRAK: Pembentukan gumpalan sel abnormal dalam otak yang menembusi tisu-tisu jiran adalah dikenali sebagai tumor otak. Pengesanan awal tumor otak adalah penting bagi membantu doktor merawat pesakit kanser bagi meningkatkan kadar jangka hayat. Terdapat banyak model pembelajaran mendalam berkaitan kecekapan pengesanan tumor otak dan pengelasan. Dalam kajian ini, pendekatan pembelajaran berdasarkan pindahan dicadangkan bagi mengatasi isu terlebih padan dalam pengelasan. Set data BraTS – 2018 telah digunakan dalam kajian ini bagi tujuan pensegmenan dan pengelasan. Kelompok normal digunakan dalam eksperimen ini bagi data awal proses dan disalurkan kepada jalur lingkaran CNN bagi  mengekstrak ciri-ciri dari Imej Resonan Magnetik (MRI). Kemudian, algoritma Optimalisasi Mudah Suai ‘Whale’ (AWO) digunakan bagi memilih ciri-ciri berkesan. Kajian ini mencadangkan Lingkaran Rangkaian Neural (CNN) berdasarkan segmentasi dan model VGG-16 berdasarkan pindahan bagi pengelasan berkesan. Prestasi teknik CNN-VGG-16 yang dicadangkan diuji dengan pelbagai bahagian tumor otak seperti TC, ET dan WT. Kaedah yang dicadangkan ini beroleh ketepatan skor Dice sebanyak 99.6%, 95.35% dan 94% masing-masing jika dibanding dengan algoritma sedia ada seperti CNN, VGG-net dan ResNet.
A Study on the Terrestrial Mobility of a Spherical Amphibian Robot
Authors: Bahar Mohd Bazli , Abdullah Shahrum Shah , Mohd Aras Mohd Shahrieel , Harun Mohamad Haniff , Aripin Muhamad Khairi , Ali@Ibrahim Fariz
Published: July 2024

Amphibian spherical robots are an appealing and practical alternative that can move around on different surfaces and function in aquatic environments. Spherical robots boast remarkable mobility and robustness, enabling them to navigate and perform exploration and reconnaissance tasks even in challenging or harsh environments. This paper explores assessing the terrestrial travel capabilities of a proposed amphibian spherical robot. A rapid Prototyping machine (RPM) was used to print the prototype’s main shell, yoke, and circuit holders. One main circuit was built on the yoke, while the other was positioned in the bottom shell. The driving principle used the barycentre offset notion, in which a pendulum mass is used to vary the location of the mass to generate a motion. Additional mass is added to the pendulum to determine the robot’s performance when mass is altered. The results reveal that the robot can travel on land with a maximum velocity of 40.75 degrees per second while carrying 600 grams of weight and a turning angle of 22.8 degrees. The robot can only move when the additional mass exceeds 400 grams.   
ABSTRAK: Robot sfera amfibia ialah satu alternatif menarik dan praktikal yang dapat bergerak di atas permukaan berbeza dan berfungsi dalam persekitaran akuatik. Robot sfera mempunyai mobiliti yang luar biasa dan tahan lasak. Ciri ini membolehkannya bergerak dan menjalankan tugas penerokaan dan peninjauan dalam persekitaran merbahaya atau buruk. Kajian ini adalah bagi menganalisis prestasi robot sfera amfibia ketika bergerak di darat. Mesin Pemprototaip Pantas (RPM) digunakan bagi mencetak badan utama prototaip, yok, dan pemegang litar. Satu litar utama dibina pada yok, manakala satu lagi diletakkan di bahagian bawah. Prinsip pemanduan adalah dengan menggunakan konsep penentuan kedudukan pusat jisim, di mana jisim pendulum digunakan bagi menentukan lokasi jisim sambil menghasilkan gerakan. Berat tambahan pada jisim pendulum ditambah bagi mendapatkan prestasi robot apabila jisim diubah. Dapatan kajian menunjukkan robot dapat bergerak atas darat dengan halaju maksimum 40.75 darjah sesaat sambil membawa 600 gram berat dengan sudut pusingan sebanyak 22.8 darjah. Robot hanya boleh bergerak apabila tambahan jisim melebihi 400 gram.
Partial Replacement of Silica Nanoparticles in Cement Paste for CO2 Regeneration Capture Application
Authors: Mahmud Mudrikah Sofia , Mohd Daud Farah Diana , Sarifuddin Norshahida , Mohd Zaki Hafizah Hanim , Nordin Norhuda Hidayah , Mohammad Nur Farahiyah
Published: July 2024

A promising, supplementary material, highly reactive silica nanoparticles tend to react with calcium species (Ca2+) in cement, which produces more hydrated phases. The high amount of calcium species and the potential of capturing carbon dioxide (CO2) through carbonation implies the suitability of cement paste as a CO2 sorbent material. However, limited studies could be found highlighting the effect of silica nanoparticle inclusion on the CO2 capture property of hardened cement paste. Thus, this study investigates the effect of silica nanoparticle partial replacement on the CO2 capture capacity and regeneration performance of hardened cement paste. XRD and SEM analysis proved the formation of more hydrated phases upon partially replacing silica nanoparticles in cement. Partial replacement of 3 % with silica nanoparticles significantly improved CO2 regeneration capture at room temperature among the other cement paste samples. This study found that the presence of silica nanoparticles in cement paste triggered the formation of more hydrated phases, which served as active sites for CO2 capture to occur and, thus, improved the CO2 capture capacity and regeneration performance.
ABSTRAK: Sebagai salah satu bahan tambahan yang berpotensi, nanozarah silika sangat reaktif dan cenderung bertindak balas dengan spesies kalsium (Ca2+) dalam simen di mana terhasilnya lebih banyak fasa terhidrat. Jumlah spesies kalsium yang tinggi dan berpotensi menangkap karbon dioksida (CO2) melalui pengkarbonan menunjukkan kesesuaian pes simen digunakan sebagai bahan penyerap CO2. Walau bagaimanapun, kajian adalah terhad terhadap kesan kemasukan nanozarah silika pada sifat tangkapan pes simen CO2 yang dikeraskan. Oleh itu, kajian ini adalah berkenaan kesan penggantian separa nanopartikel silika ke atas kapasiti tangkapan CO2 dan prestasi penjanaan semula pes simen yang dikeraskan. Analisis XRD dan SEM membuktikan pembentukan lebih banyak fasa terhidrat apabila penggantian separa nanopartikel silika pada simen. Penggantian separa nanopartikel silika 3% menunjukkan peningkatan ketara tangkapan penjanaan semula CO2 pada suhu bilik di antara sampel pes simen lain. Kajian ini mendapati bahawa kehadiran nanozarah silika dalam pes simen mencetuskan pembentukan lebih banyak fasa terhidrat yang berfungsi sebagai tapak aktif bagi penangkapan CO2 berlaku dan dengan ini, membawa kepada peningkatan kapasiti penangkapan CO2 dan prestasi penjanaan semula.
Attitude UAV Stability Control Using Linear Quadratic Regulator-Neural Network (LQR-NN)
Authors: Oktaf Agni Dhewa  , Fatchul Arifin  , Ardy Seto Priyambodo  , Anggun Winursito  , Yasir Mohd. Mustafa
Published: July 2024

The stability of an Unmanned Aerial Vehicle (UAV) attitude is crucial in aviation to mitigate the risk of accidents and ensure mission success. This study aims to optimize and adaptively control the flight attitude stability of a flying wing-type UAV amidst environmental variations. This is achieved through the utilization of Linear Quadratic Regulator-Neural Network (LQR-NN) control, wherein the Neural Network predicts the optimal K gain value by fine-tuning Q and R parameters to minimize system errors. An online learning neural network adjusts the K value based on real-time error feedback, enhancing system performance. Experimental results demonstrate improved stability metrics: for roll angle stability, a rise time of 0.4682 seconds, settling time of 1.3819 seconds, overshoot of 0.298%, and Steady State Error (SSE) of 0.133 degrees; for pitch angle stability, a rise time of 0.2309 seconds, settling time of 0.7091 seconds, overshoot of 0.1224%, and Steady State Error (SSE) of 0.0239 degrees. The LQR-NN approach effectively reduces overshoot compared to traditional Linear Quadratic Regulator (LQR) control, thereby minimizing oscillations. Furthermore, LQR-NN can minimize the Steady State Error (SSE) to 0.074 degrees for roll rotation motion and 0.035 degrees for pitch rotation motion.
ABSTRAK: Kestabilan perubahan Pesawat Tanpa Pemandu (UAV) adalah penting dalam penerbangan bagi mengurangkan risiko kemalangan dan memastikan kejayaan misi. Kajian ini bertujuan mengoptimum dan menstabilkan perubahan kawalan adaptif penerbangan UAV jenis sayap terbang di tengah-tengah variasi persekitaran. Ini dicapai melalui penggunaan kawalan Rangkaian Linear Kuadratik Pengatur-Neural (LQR-NN), di mana Rangkaian Neural meramal nilai perolehan K optimum dengan meneliti parameter Q dan R bagi mengurangkan ralat sistem. Rangkaian neural pembelajaran dalam talian melaraskan nilai K berdasarkan maklum balas ralat masa nyata, ini meningkatkan prestasi sistem. Dapatan kajian eksperimen menunjukkan metrik kestabilan lebih baik: bagi kestabilan sudut gulungan, masa kenaikan sebanyak 0.4682 saat, masa kestabilan 1.3819 saat, lajakan 0.298% dan Ralat Keadaan Mantap (SSE) 0.133 darjah; bagi kestabilan sudut pic, masa kenaikan 0.2309 saat, masa penetapan 0.7091 saat, lajakan 0.1224%, dan Ralat Keadaan Mantap (SSE) 0.0239 darjah. Pendekatan LQR-NN berkesan mengurangkan lajakan berbanding kawalan tradisi Pengatur Kuadratik Linear (LQR), dengan itu mengurangkan ayunan. Tambahan, LQR-NN dapat mengurangkan Ralat Keadaan Mantap (SSE), sebanyak 0.074 darjah bagi gerakan putaran guling dan 0.035 darjah bagi gerakan putaran anggul.
Effect of Incorporating Cellulose Nanofibers and Lemongrass Essential Oil in Polyvinyl Alcohol-Polyethylene Glycol/Glycerin Hydrogel for Wound Dressing
Authors: Jafri Nur Huda Syazwani , Jimat Dzun Noraini , Wan Nawawi Wan Mohd Fazli , Ahmad Nor Yusilawati , Amid Azura
Published: July 2024

Hydrogels attract increased interest as wound dressings due to their biomimetic properties, creating a moist environment conducive to natural wound healing. In this study, a PVA-PEG/gly-CNF-LG hydrogel incorporating cellulose nanofibers (CNF) and lemongrass essential oil (LG) into the polyvinyl alcohol-polyethylene glycol/glycerin (PVA-PEG/gly) hydrogel via the freeze-thaw method was developed. The addition of CNFs and LG aimed to improve the physicochemical and antibacterial aspects of the hydrogel. Optimal hydrogel composition, determined through response surface methodology (RSM) and central composite design (CCD), consisted of 3.5% (w/v) CNFs and 3% (v/v) LG concentrations, resulting in an optimal moisture retention capability (MRC) of 37.69 ± 0.54%. The optimized PVA-PEG/gly-CNF-LG demonstrated impressive characteristics: a swelling capacity of 176.89 ± 1.56%, a gel fraction of 78.89 ± 0.42%, and a porosity of 47.51 ± 0.53%. FESEM images revealed the relatively porous nature of PVA-PEG/gly-CNF-LG hydrogels. Furthermore, the hydrogel exhibited excellent resistance against S. aureus and B. subtilis bacteria, along with notable tensile properties of 1.44 MPa. These findings underscore the promising attributes of the PVA-PEG/gly-CNF-LG hydrogel, positioning it as a versatile and effective wound-healing dressing with significant antimicrobial properties.
ABSTRAK: Hidrogel mendapat perhatian ramai sebagai pembalut luka di sebabkan oleh ciri-ciri biomimik, di mana menghasilkan persekitaran lembab yang baik bagi penyembuhan luka secara semula jadi. Kajian ini, mencadangkan hidrogel PVA-PEG/gly-CNF-LG yang mengandungi selulosa nanofiber (CNF) dan minyak pati serai (LG) dalam hidrogel polivenil alkohol-polietilin glikol/gliserin (PVA-PEG/gly) melalui kaedah beku-cair. Penambahan CNFs dan LG diperlukan bagi memperbaiki aspek fisiokimia dan antibakterial hidrogel. Komposisi optimal hidrogel, dibentuk melalui kaedah respons permukaan (RSM) dan reka bentuk komposit pusat (CCD), mengandungi 3.5% (w/v) CNFs dan 3% (v/v) kepekatan LG, menghasilkan kemampuan retensi kelembapan optimal (MRC) sebanyak 37.69 ± 0.54%. Kadar optimum PVA-PEG/gly-CNF-LG menunjukkan ciri-ciri yang menarik: iaitu kapasiti pembengkakan sebanyak 176.89 ± 1.56%, pecahan gel sebanyak 78.89 ± 0.42%, dan keliangan 47.51 ± 0.53%. Imej FESEM menunjukkan sifat keliangan semula jadi hidrogel PVA-PEG/gly-CNF-LG. Tambahan, hidrogel memiliki rintangan tinggi terhadap bakteria S. aureus dan B. subtilis, sejajar dengan ciri-ciri ketara tegangan 1.44 MPa. Dapatan kajian ini penting bagi ciri-ciri hidrogel yang berpotensi besar seperti PVA-PEG/gly-CNF-LG, menjadikannya serba guna dan berkesan sebagai balutan penyembuhan luka dengan ciri-ciri antimikrob yang ketara.
ДОСЛІДЖЕННЯ СТРЕСОСТІЙКОСТІ ФУТБОЛІСТІВ РІЗНОЇ КВАЛІФІКАЦІЇ
Authors: Войтенко Сергій , Перепелиця Максим
Published: July 2024

Relevance of the topic. Active participation in football competitions creates stressful conditions for players, which negatively affects their psychological resilience and performance in the game. It is noted that individual psychological characteristics, particularly the level of stress resistance, play a significant role in influencing the psychological state of players. However, to date, there is a lack of methods for effectively developing this quality in football players of various skill levels. The purpose – studying the individual psychological and personality traits of football players of various skill levels. Material and Methods. The study involved 43 football players aged from 17 to 21 with various levels of qualification, as well as 6 active football coaches. Research methods: analysis and synthesis of scientific and methodological literature, pedagogical    observation,    surveys, psychodiagnostic testing of coaches and football players using the "Stress Factors of Sports Activity" method, methods of mathematical statistics. Research results and key conclusions. The experimental study of the psychological preparation and stress factors among football players at various stages of long-term training allows for the following conclusions: it has been found that coaches who participated in the survey significantly underestimate the importance of psychological preparation (3-6 %) compared to other types of preparation: physical preparation – (30-37 %), general physical preparation (14-25 %), special physical preparation (15-24 %), and technical preparation (15-20 %). Football players of various skill levels rate psychological preparation significantly higher (23 %), especially after unsuccessful starts in competitions (57 % of the surveyed lost the initial minutes of the game due to anxiety). Stress factors in the sports activities of football players of different qualifications have been identified, with external objective reasons being the most significant (previous poor training and competitive results, past defeats, failures at the beginning of the game, and unexpectedly high results from the opponent).
ПРАКТИЧНИЙ АСПЕКТ РЕАЛІЗАЦІЇ БІОМЕХАНІЧНОГО АНАЛІЗУ У СПОРТІ
Authors: Івченко Віталій , Кашуба Віталій , Литвиненко Юрій , Ярмолинський Леонід , Никитюк Руслан
Published: July 2024

Relevance of the research topic. Errors in the technical training of athletes who specialize in practical shooting, the slow growth of their technical skill negatively affects the replenishment of national teams with young, promising athletes. The reasons for this situation, first of all, should be recognized as insufficient development of the theoretical basis for improving the technical preparation of athletes at all stages of long-term training. The purpose of the article is to determine the biomechanical differences in the technique of performing various ways of movement of qualified athletes during shooting. Research participants. 10 qualified athletes who specialize in practical pistol shooting took part in the research. Each athlete made 5 attempts using the "ski", "X-shaped" and "low" steps. It is important to note that there were neither restrictions on the choice of the speed of movement of the athlete nor the speed of execution of a series of shots during the attempts. Athletes were oriented to ensure that each shot was accurate in a series of shooting, with its execution in a minimum period of time, which actually largely determines the sports result in practical shooting. Research methods. We conducted an experimental study in laboratory conditions using the optical- electronic 3D system of registration and analysis of human movements "Qualisys". The results obtained in the research process were processed using the methods of mathematical statistics. Work results. It has been established that athletes, when shooting and using different ways of moving, try to minimize the negative impact of oscillatory processes on the weapon, which comes from the lower part of the body as a result of walking. However, as shown by the results of our own research, athletes manage to provide the least impact when performing the "X-shaped" movement. This fact is also confirmed by the smallest oscillations of the front sight of the weapon in the frontal and vertical planes, compared to other methods of movement, which was also shown above in the form of quantitative indicators and visual accompaniment to them. Prospects for further research include the development of technology for the formation of the technique of athletes’ movement in practical shooting.
ОСОБЛИВОСТІ ПЛАНУВАННЯ ФІЗИЧНОЇ ПІДГОТОВКИ КВАЛІФІКОВАНИХ БАСКЕТБОЛІСТІВ У ВТЯГУВАЛЬНОМУ МЕЗОЦИКЛІ
Authors: Прудивус Наталія
Published: July 2024

Relevance of the research topic. The training of qualified athletes in basketball requires a scientifically based approach to the construction of an annual structure of the training process, especially if it takes place in the conditions of a higher education institution. Distance education of students during the global pandemic and during the period of armed aggression by the Russian Federation significantly worsened the physical fitness of athletes and requires further research using the latest approaches to the organization of the educational and training process of student basketball teams. The purpose of the study is to develop and theoretically substantiate the program of physical training of qualified basketball players in the retraction mesocycle of the annual macrocycle. Research methods: analysis of special literature, pedagogical observation, timing of training work, heart rate monitoring, programming methods. Results. The developed structure of physical training of the student team in the retraction mesocycle differs from training programs for qualified athletes in basketball clubs by taking into account such components as the initial level of fitness of basketball players, which usually varies; mode and nature of students' education, in particular, the beginning of the academic year, the number of educational classes per day; attending other classes with motor activity and total physical activity per day; calendar of student competitions. Conclusions.The program of physical training in the retraction mesocycle for student basketball teams was developed taking into account the recommendations of leading specialists regarding the magnitude and direction of the load, its wave-likeness and variability. The content of the program consists of non-specific and specific exercises with the use of modern inventory and equipment, which makes it possible to more effectively influence the development of physical qualities, as well as to form training effects and activate recovery processes.