bluuebunny/crossref_metadata_2025 huggingface dataset:
HUBUNGAN KONTROL DIRI DAN SMARTPHONE ADDICTION DENGAN PROKRASTINASI AKADEMIK MAHASISWA FKIP UNS YANG SEDANG MENGERJAKAN SKRIPSI
Authors: Ammarus Ameth Dhiyo , Rahman Abdul , Trinugraha Yosafat Hermawan
Published: November 2022

Penelitian ini bertujuan untuk mengetahui hubungan antara kontrol diri dan perilaku smartphone addiction dengan prokrastinasi akademik mahasiswa angkatan 2018 Fakultas Keguruan dan Ilmu Pendidikan Universitas Negeri Sebelas Maret yang sedang mengerjakan skripsi. Penelitian ini menggunakan metode penelitian kuantitatif dengan pendekatan korelasional. Subjek pada penelitian ini adalah mahasiswa Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret angkatan 2018 yang sedang mengerjakan skripsi. Sebanyak 300 mahasiswa dari 10 program studi terpilih menjadi sampel penelitian dengan teknik purposive sampling. Teknik pengumpulan data pada penelitian menggunakan kuesioner. Teknik analisis data pada penelitian ini menggunakan uji analisis korelasi Rank Spearman. Berdasarkan hasil uji korelasi Rank Spearman pada penelitian ini didapatkan beberapa hasil penelitian sebagai berikut: (1) terdapat hubungan negatif yang signifikan antara kontrol diri terhadap prokrastinasi akademik mahasiswa dengan keeratan hubungan antar variabel berada di kategori rendah ( Sig 0,000 < 0,005 ) dengan nilai koefisien korelasi sebesar (ρ = -0,385 ). (2) terdapat hubungan positif yang signifikan antara smartphone addiction terhadap prokrastinasi akademik mahasiswa dengan keeratan hubungan antar variabel berada di kategori sedang ( Sig 0,000 < 0,05 ) dengan nilai koefisien korelasi sebesar (ρ = 0,468 ). Dari hasil uji analisis korelasi Rank Spearman tersebut maka hipotesis penelitian adalah H1 diterima sedangkan H0 ditolak. Maka dapat ditarik kesimpulan bahwa terdapat hubungan yang signifikan antara kontrol diri dan smartphone addiction terhadap prokrastinasi akademik mahasiswa angkatan 2018 pada Fakultas Keguruan dan Ilmu Pendidikan Universitas Negeri Sebelas Maret yang sedang mengerjakan skripsi.
PENGEMBANGAN BAHAN AJAR BAHASA ARAB BERBASIS MULTIMEDIA INTERAKTIF KELAS V MTS TA’MIRUL ISLAM MASARAN SRAGEN
Authors: El Hanif Huzaefah
Published: November 2022

AbstractThe Tamirul Islam Islamic Boarding School Masaran Sragen wants to answer the reality in society where many students claim to be graduates from schools taught Arabic, but they are not able to understand Arabic well. Both orally and in writing. Because in formal schools they learn Arabic by force because Arabic is part of compulsory school subjects. Therefore, many new students or grade 1 MTs Ta'mirul Islam have difficulty speaking and writing in Arabic. Arabic language as a communication tool in the daily life of ta'mirul Islam students. In order to communicate well, mastery of vocabulary is needed, especially when someone communicates using a foreign language, then the vocabulary becomes important to master.The activity of mastering vocabulary ( mufrodat ) cannot be separated from rote memorization, so that this becomes the main factor for weak students in mastering mufrodat. The activity of memorizing foreign vocabulary will become boring if it is not packaged effectively. That's why researchers developed learning media to memorize vocabulary (mufrodat) in the form of songs and accompanied by meanings in the form of images or symbols to provide convenience in memorizing them. By utilizing existing technology, such as using multimedia video teaching materials, it will make it easier for student to understand and memorize various Arabic vocabulary. Keywords: teaching materials, multimedia, Arabic language AbstrakPondok Pesantren Tamirul Islam Masaran Sragen ingin menjawab realita di masyarakat dimana banyaknya siswa yang mengaku lulusan dari sekolah yang di ajarkan bahasa arab, namun mereka tidak mampu memahami bahasa arab secara baik. Baik secara lisan maupun tulisan. Karena di sekolah formal mereka belajar bahasa arab dengan terpaksa dikarenakan bahasa arab bagian dari mata pelajaran wajib sekolah. Sebab itu banyak santri baru atau kelas 1 mts ta’mirul islam yang mengalami kesulitan dalam berbicara maupun menulis dengan bahasa arab.Bahasa arab sebagai alat komunikasi dalam kehidupan santri ta’mirul islam sehari-hari. Agar dapat berkomunikasi dengan baik maka dibutuhkan penguasaan  kosakata, terlebih ketika seseorang berkomunikasi dengan menggunakan bahasa asing, maka kosakata itu menjadi penting untuk dikuasai.Kegiatan menguasai mufrodat tidak lepas dari yang namanya hafalan, sehingga hal ini menjadi faktor utama peserta didik lemah dalam menguasai mufrodat. Kegiatan menghafal kosakata asing akan menjadi membosankan ketika tidak dikemas secara efektif. Oleh sebab itulah peneliti mengembangkan media pembelajaran menghafal kosakata (mufrodat) dalam bentuk lagu dan disertai arti yang berbentuk gambar atau simbol untuk memberikan kemudahan dalam menghafalnya. Dengan memanfaatkan teknologi yang ada, seperti memakai bahan ajar multimedia vidio akan semakin memudahkan santri dalam memahami dan menghafal berbagai kosa kata bahasa arab.Kata kunci : Bahan ajar, multimedia, bahasa arab
GAYA BELAJAR SISWA BERPRESTASI DI SDN 1 GONDANG KECAMATAN GANGGA KABUPATEN LOMBOK UTARA TAHUN 2021
Authors: Sukarto Sukarto , Fitriana Maulida Arum , Hasanah Aswiatun
Published: November 2022

Penelitian ini bertujuan untuk mendeskripsikan Gaya Belajar Siswa berprestasi dan mengetahui Faktor yang mempengaruhi gaya belajar siswa berprestasi di SDN 1 Gondang. Penelitian ini dilaksanakan di SDN 1 Gondangn Kecamatan Gangga Kabupaten Lombok Utara pada siswa-siswa berprestasi di kelas tinggi. Objek pada penelitian ini adalah 5 siswa berprestasi dengan prestasi akademik dan non akademik pada 3 tahun terakhir. Penelitian ini merupakan penelitian kualitatif deskriptif. Teknik pengumpulan data menggunakan teknik observasi, wawancara, dokumentasi dan angket. Hasil penelitian ini adalah bahwa kelima siswa berprestasi ini memiliki gaya belajar dengan komposisi yang berbeda-beda, namun kelima siswa ini dominan menggunakan gaya belajar visual dan auditori. Faktor yang mempengaruhi gaya belajar siswa tersebut ada dua yaitu faktor insternal (jasmani, hereditas, bakat dan minat) dan faktor eksternal (lingkungan keluarga,sekolah dan masyarakat).
MENINGKATKAN PERKEMBANGAN BAHASA ANAK MELALUI MEDIA FOSTER PADA SISWA KELOMPOK A DI PAUD NURUL ANSHORY BETUMPING DESA SOKONG TAHUN AJARAN 2020/2021
Authors: Marzoan Lalu , Ramzi Muhajirin , Herpiana Reza
Published: November 2022

Penelitian ini bertujuan untuk mendeskripsikan Peningkatan Perkembangan Bahasa Anak Melalui Media Poster Pada Siswa Kelompok A Di Paud Nurul Anshory Betumping Desa Sokong Tahun Ajaran 2020/2021. Yang menjadi subjek penelitian dalam penelitian ini adalah siswa kelompok A PAUD Nurul Anshory Betumping Desa Sokong Tahun Ajaran 2020/2021. Siswa pada kelas ini berjumlah 18 orang dengan perincian laki-laki 10 orang dan perempuan 8 orang. Penelitian ini merupakan Penelitian Tindakan Kelas (PTK). Data diperoleh dari beberapa sumber diantaranya informasi atau narasumber yaitu guru dan anak didik, dokumentasi atau arsip yang dibuat oleh guru kelas kelompok A. Tehnik pengumpulan data dalam penelitian ini yaitu observasi, wawancara, dan skala penilaian deskripsi. Alat pengumpulan data yaitu lembar observasi, pedoman wawancara, dan catatan lapangan. Hasil dalam penelitian ini adalah adanya peningkatan kemampuan bahasa anak menggunakan media poster. Peningkatan itu terlihat dari jumlah siswa yang memiliki kemampuan bahasa dengan kategori Mulai Berkembang (MB) dan kategori Berkembang Sesuai Harapan (BSH) yang meningkat dari 61,11 % pada siklus I menjadi 77,78% pada siklus II. Hal ini berarti terjadi peningkatan sebanyak 16,67 %. Adapun jumlah siswa yang memiliki kemampuan bahasa anak yang termasuk ke dalam kategori Belum Berkembang (BB) menjadi menurun dari 38,89% pada siklus I menjadi 11,11 % pada siklus II.
Implementasi Metode Kaamil Dalam Stimulasi Kemampuan Perkembangan Bahasa Pada Anak Usia Dini Di Paud Insan Kaamil Teniga Tanjung Lombok Utara
Authors: Eliyana Eliyana , Alawiyah Tuti , Ramzi Muhajirin
Published: November 2022

Pembelajaran pada anak usia dini adalah suatu kegiatan pembelajaran yang berorientasi pada siswa yang disesuaikan dengan tingkatan dan golongan usia siswa, sehingga dalam pembelajaran tersebut terdapat suatu interaksi antara siswa dengan sumber belajar pada suatu lingkungan belajar yang tentu tidak lepas dari kompetensi guru dalam mengembangkan metode pembelajaran. pada penelitian ini metode pembelajaran yang dimaksud adalah implementasi Metode Kaamil dalam kemampuan pengembangan bahasa PAUD pada membaca level awal untuk mengenal huruf Hijaiyah. Pendekatan penelitian menggunakan penelitian kualitatif deskriptif dengan teknik pengumpulan data dari hasil wawancara, observasi dan dokumentasi. Penelitian ini memiliki tujuan untuk mengetahui pengembangan bahasa pada keterampilan membaca siswa tentang pengenalan huruf hijaiyah menggunakan Metode Kaamil di PAUD Insan Kaamil Teniga dengan fokus pembahasan yaitu bagaimana proses pembelajaran bahasa bahasa anak di PAUD Insan Kaamil Teniga dan bagaimana implementasi Metode Kaamil dalam pengenalan Huruf Hijaiyah pada siswa kelas B di PAUD Insan Kaamil Teniga
Pengaruh Penggunaan Media Augmented Reality Berbasis Android Terhadap Kemampuan Berpikir Kritis Siswa Kelas Sekolah Dasar
Authors: Andriani Miranti Widi , Ramadani Amelia
Published: November 2022

Media pembelajaran yang sekaligus sebagai sarana bimbingan merupakan alat yang digunakan untuk memperjelas pesan yang ingin disampaikan guru terhadap siswa. Penggunaan media pembelajaran inovatif haruslah menyenangkan dan dapat menarik minat siswa untuk belajar. tujuan penelitian ini adalah untuk mengetahui adanya pengaruh penggunaan media pembelajaran Augmented Reality (AR) terhadap kemampuan berpikir kritis siswa. Penelitian ini menggunakan metode penelitian kuantitatif eksperimen.Rancangan penelitian dalam penelitian ini adalah single subject desain yang mana pretest dan postest diberikan pada satu kelompok yang sama. Hasilnya diperoleh nilai output sebesar 0,867  sementara koefisien determinasi sebesar 0,752 sehingga dapat disimpulkan bahwa variable Augmented Reality memiliki pengaruh terhadap kemampuan berpikir kritis siswa dengan persentase sebanyak 75,2%. Berdasarkan hasil penelitian yang telah dilakukan oleh peneliti, dapat disimpulkan bahwa Penerapan media Augmented Reality dapat meningkatkan kemampuan berpikir kritis.
Metal thermopile infrared detector with vertical graphene
Authors: Li Kai , Sun Jie , Du Zai-Fa , Qian Feng-Song , Tang Peng-Hao , Mei Yu , Xu Chen , Yan Qun , Liu Ming , Li Long-Fei , Guo Wei-Ling ,   Key Laboratory of Optoelectronics Technology, College of Microelectronics, Beijing University of Technology, Beijing 100124, China,   Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, National and Local United Engineering Laboratory of Flat Panel Display Technology, Fuzhou University, Fuzhou 350100, China,   Quantum Device Physics Laboratory, Chalmers University of Technology, Göteborg 41296, Sweden
Published: November 2022

Thermopile infrared detector is a kind of detector device mainly composed of thermocouple as the basic unit. Because of its simple principle, no need of cooling equipment, and other advantages, it has been widely used in various fields of production and life. However, the absorption rates of the materials in conventional thermopile devices are poor, and the majority of them are incompatible with microfabrication methods. In this work, a metal thermopile infrared detector with vertical graphene (VG) is designed and fabricated. The VG is grown via plasma enhanced chemical vapor deposition, and retained at the device’s thermal ends to provide the thermopile IR detector’s wideband and high response characteristics. The detector achieves a room temperature responsivity reaching a value as high as 1.53 V/W at 792 nm, which can increase the response results about 28 times and reduce the response time to 0.8 ms compared with the thermopile detector without VG. After systematically measuring the response results, it is finally found that there are three main mechanisms responsible for the response on the composite device. The first one is the response generated by the metal thermopile itself alone. The second one is the response increased eventually by the contribution of VG covered at the metal thermal junction that expands the temperature difference. The last one is the response generated by the temperature gradient existing inside the VG on the surface of the device after the absorption of heat. The portion of each partial response mechanism in the total response is also analyzed, providing a new reference direction for analyzing the response generation mechanism of thermopile detectors with other absorbing materials. The process is compatible with the microfabrication, while the device performance is enhanced and suitable for mass production. Furthermore, by utilizing the surface plasmon resonance to combine VG with metal nanoparticles, the material’s light absorption is found to be enhanced significantly under the same conditions, and the resulting thermal voltage can be increased to 6 times. The results indicate that VG promises to possess practical applications, in many fields such as photoelectric sensing and power production devices. This technology provides a new method to manufacture high-performance thermopile infrared detectors and other sensor devices.
Netiquette and Ethics Regarding Digital Education Across Institutions: A Narrative Review
Authors: Gupta Arti , Singh Surendra , Aravindakshan Rajeev , Kakkar Rakesh
Published: November 2022

Information Technology (IT) has made rapid advancement since the turn of this century. Ergo the scope and extent of IT has also grown, resulting in increase in the number of internet users, who have differing reasons for using the IT resources. The users of this IT revolution include students worldwide; who interact with technology based on their needs, with relative ease and have found the whole experience enriching. Progress in IT has not only changed the way humans interact with technology but has also influenced the way of interaction between the people. The interaction online is mostly informal and comes without set guidelines and compounded with the relative anonymity provided by internet, also it has complicated an individual’s ability to interact in a respectful and responsible way. The problems relating to internet safety arise from such interactions. Flame wars and cyberbullying are some of the other risky behavioural interactions displayed online and can lead to severe consequences. The unethical use of IT resources in the form of plagiarism, piracy, identity theft etc also questions the moral of an individual. Whilst there may be some idea, multitude of issues regarding Netiquette and ethical use of IT resources are often poorly understood and the knowledge imparted is also fragmented. Moreover, contemporary educators are much in need of such information. Thus, there is a need to include and summarise current priority areas that relate to etiquette and ethics in digital education.
A Holistic Physiotherapeutic Approach to Manage a Patient of Hemangiopericytoma Followed by Amputation
Authors: Boob Manali Anil , Dhage Prasad , Patil Shubhangi
Published: November 2022

Hemangiopericytomas are atypical malignancies that arise from the pericytes that surround blood arteries. Mechanical injuries, severe traumatic injuries, infective illnesses, vascular diseases, peripheral neuropathy, cancers, and hereditary diseases are all major reasons for amputation. It is also used to get rid of ulcerated, ischaemic, or necrotic tissue. In amputation certain body parts tends to be removed to save individuals’ life. This was the case of a 35-year-old male who presented with the history of oedema in the posterior portion of his right knee. He was eventually diagnosed with a tumour following diagnostic tests, and the patient under went an above-knee amputation of the right-side. The outcome measures were used to evaluate patients’ recovery before and after rehabilitation. A robust therapeutic regimen was planned which included appropriate stump caring, enhanced strength and flexibility, quality enhancement, equilibrium, balance, co-ordination, and optimal locomotor training. Gait rehabilitation benefited the patient in maintaining a normal gait cycle, and weight transfer. Upper limb strength is vital for crutch walking, which allowed him to participate in every day activities and enhance overall well-being.
Efficacy of Clonidine versus Dexmedetomidine as Adjuvants to 0.5% Ropivacaine in Nerve Stimulator Guided Supraclavicular Brachial Plexus Block- A Randomised Clinical Study
Authors: Aggarwal Reema , Sharma Roma , Mangwana Pramod
Published: November 2022

Introduction: Supraclavicular brachial plexus block is used for providing pain relief in upper limb surgeries and has many advantages over general anaesthesia. Alpha-2-adrenergic agonists are chosen with local anaesthetics for their sedative, analgesic and antihypertensive properties. Aim: To compare the efficacy of clonidine and dexmedetomidine when added to 0.5% ropivacaine in nerve stimulator guided supraclavicular block when performed for upper limb surgeries. Materials and Methods: This randomised clinical study was conducted in the Department of Anaesthesia Mata Chanan Devi Hospital, New Delhi, India (tertiary care center), from September 2015 to September 2016. Total 90 patients were randomly allocated into three groups. Group A {Inj. ropivacaine 0.5% (29 mL)+ normal saline 1 mL to make 30 mL}, group B {Inj. ropivacaine 0.5% (29 mL)+ clonidine 1 μg kg-1 to make 30 mL) and group C {Inj. ropivacaine 0.5% (29 mL)+ dexmedetomidine 1 μg kg-1 to make 30 mL}. Parameters observed included onset of sensory and motor block, total motor duration, postoperative analgesia as primary outcome; and intraoperative haemodynamic parameters and side effects as secondary outcome. Results: All the three groups were found to be similar with demographic profile. Patients in dexmedetomidine group showed faster onset and longer duration of sensory and motor blocks (p-value<0.01). The mean onset of sensory block in minutes was 12.03±2.20, 8.20±1.40, 6.80±1.35 in groups A, B and C, respectively (p-value<0.001). The mean onset of motor block in minutes was 18.47±2.78, 13.37±2.86 and 11.30±2.04 in group A, group B and C, respectively (p-value<0.001). The mean duration of analgesia in group A, B and C was 555.17±65.36, 710.00±73.58 and 902.67±116.65 minutes, respectively (p-value<0.001). The mean duration of motor block in group A, group B and group C were 330.00±51.78, 418.17±38.29 and 516.83±50.33 minutes, respectively (p<0.0001). The duration of postoperative analgesia and total motor duration were significantly prolonged in dexmedetomidine group than group A and B. Conclusion: It can be concluded that both clonidine and dexmedetomidine increases the total motor duration and postoperative analgesia when added to ropivacaine, but dexmedetomidine is a better choice when used in supraclavicular block, without any significant side-effects.
Physiological Cost Index of Walking among Non Smokers, Smokers and Smokers with Chronic Obstructive Pulmonary DiseaseAn Observational Study
Authors: Kumaresan Parkavi , Ravichandran Umarani , Felix John William , Vijayan Karthik
Published: November 2022

Introduction: Most of the Chronic Obstructive Pulmonary Disease (COPD) patients are smokers and their disease progresses with increasing age. The energy cost of walking has strong association with aging and cigarette smoking. Its implication in COPD remains unclear. Aim: To evaluate the Physiological Cost Index (PCI) of walking among non smokers, smokers and smokers with COPD and to find its association with age and duration of cigarette smoking. Materials and Methods: The cross-sectional study was carried out in the Department of Physical medicine and Rehabilitation (PMR) at Rajah Muthiah Medical College and Hospital, Annamalai University at Chidambaram, Tamil Nadu, India, from November 2019 to February 2020. The PCI was carried out in 77 males, aged between 50-75 years with body mass index between 18.5-24.9 kg/m2 . There were 24 smokers with COPD, 27 were smokers and 26 were non smokers. The evaluation of six minute walk distance, resting, and post walk heart rate was applied in MacGregor's equation to estimate the PCI. Results: The mean PCI of smokers with COPD was 0.67±0.3 which was significantly (p-value=0.001) higher than those of smokers (0.22±0.07) and non smokers (0.14±0.04). The smokers and non smokers had no significant variation in PCI (p-value=0.122). Age had no association with PCI (p-value=0.213) whereas the duration of smoking years was found to have significant association (p=0.014). Conclusion: The PCI was found to be significantly higher in smokers with COPD and a significant association was established with years of smoking rather than age.
A Scale to Measure the Livelihood Security of Farmers in Kolar from Koramangala-Challagatta Valley (K.C. Valley) Project of Karnataka
Authors: Chaithrashree J. , Shivalingaiah Y. N.
Published: November 2022

An attempt was made in the present study to develop a standardized scale to analyses the livelihood security of farmers in Kolar district after the implementation of K.C. Valley project where sewage treated water is supplied from Bangalore is filling the tanks of Kolar district. The livelihood security scale consists of seven dimensions viz., food security, economic security, health security, social security, ecological security, psychological security and physical security and the scale was considered highly reliable and valid. The livelihood scale consists of 47 statements were administered to 32 farmers of Malur taluk during 2020-2021. It is found that farmers have been spread over better to average (69.45 %) level of livelihood category followed by poor livelihood category (30.55 %).
Alterations in Haematological and Biochemical Parameters in Sokoto Red Goats Infected with Orf Virus: A Case Report
Authors: Baraya Y. S. , Bello M. B. , Lawal N. , Rambo U. G. , Aliyu A. , Raji A. A.
Published: November 2022

Aims: To determine the alterations in some haematological and serum biochemical parameters in contagious ecthyma (CE) or Orf-infected Sokoto red goats (SRG).

Presentation of Case: Following a complaint of sore mouth disease in SRG, the patients were noticed to be docile, pyrexic with congested visible mucus membranes. There were crusty skin lesions around the oral and nasal commissures which were firm and painful. Blood samples were taken for routine haematological and biochemical investigations and results presented and discussed.

Discussion and Conclusion: There are paucity of information on the haematological and serum biochemical changes associated with CE in SRG. Thus, this case report presents the alterations in some haematological and biochemical parameters in SRG following an outbreak in Sokoto metropolis, Nigeria. Contagious ecthyma was diagnosed based on the presented clinical signs and confirmatory diagnosis via molecular technique, polymerase chain reaction. The affected goats were successfully managed through scrapping, cleaning and disinfecting the scabby lesions. Subsequently, broad spectrum antibiotics and multivitamin injections were administered. In conclusion, the observed clinicopathological changes in SRG were suggestive of an ongoing disease, marked stress and polycythaemia which were associated features of Orf disease in small ruminants.
The Impact of Supportive Teacher-Student Relationships on Academic Performance
Authors: Sherub Gyeltshen Sherub x , Gyeltshen Nima
Published: November 2022

In my previous research findings, one of the themes on the impact of positive teacher-student relationships revealed that healthy relationships promote academic performance. To deepen the findings, the researcher conducted a mixed methods research design. The inferential correlation analysis was carried out for this qualitative survey. Altogether, 100 students and 40 teachers from various schools participated in this data collection under Samdrup Jongkhar District. The study on supportive teacher-student relationships revealed that it improves student engagement and motivation during class. Children participate more and become open and friendly with the teacher. The supportive teacher-student relationships motivate and create a fulfilling learning environment. They take ownership of their tasks and build learning curiosity which is the engine of learning.

For the qualitative interview study, the sample consisted of 40 teachers and 30 secondary school students. The data were collected through the use of semi-structured interviews and transcribed and analyzed using a thematic approach. This qualitative study revealed that supportive teacher-student relationships help students to become more interactive, improve their approachability, and boost attachment. The healthy teacher-student relationship nurtures love, cultivates respect, and fosters a sense of security. Children love the subject taught by teachers who have healthy relationships with them and ultimately enhance their academic performance. Teachers get more time for lesson preparation and assessment. They give consistent feedback and pay more attention to all the individuals in the class since they do not waste their time correcting the student’s disruptive behaviours resulting in negative teacher-student relationships.
Study of the Photodegradation Kinetics of Fluometuron by UV Absorption Spectrophotometry and Fluorescence
Authors: Sarr Diégane , Thiaré Diène Diegane , Diaw Pape Abdoulaye , Kital Khémesse , Saba Adama , Sall Cheikh , Coly Atanasse , Delattre François , Tine Alphonse
Published: November 2022

In order to predict the fate of fluometuron in the aquatic environment and to assess the risk that it may pose, we studied its photolysis reaction in aqueous media. This reaction was monitored by UV absorption and fluorescence spectroscopy. UV irradiation source consisting of a 254 nm mercury lamp was used.  The study showed that fluometuron is unstable under the effect of light radiation when irradiated in water. The absorption band and the emission of this product were at 244 nm and 325 nm respectively. This study also shows that the photodegradation of fluometuron in water follows first order kinetics regardless of the method followed.  However, a difference was noted in the half-life times (t1/2). Indeed, these times found in UV and fluorescence are respectively 18.2 min and 6.6 min. The relatively lower value obtained in fluorescence could be explained by the fact that the latter is more sensitive to UV and fluorescence. In all cases, the half-lives found were relatively short (t1/2<1h). For more information on the photolysis of this herbicide, these two methods were combined with NMR and GC-MS to identify the different photoproducts that may be formed.
Offline Handwritten Character Recognition Including Compound Character from Scanned Document
Authors: Ahmed Tawhid , Uddin Main , Khan Md. Ashikur Rahman , Hasan A. R. Mahamudul
Published: November 2022

Recognizing the handwritten characters and converting them into machine-editable text is very tedious due to the diversity of writing styles and character patterns. Extracting data from images and identifying the characters becomes more complicated when a language consists of compound structures and characters, such as Bengali. There has been a lack of programs for recognizing Bengali scripted basic and com-plex numeric signs and letters with high accuracy. This paper develops a novel approach to extracting and identifying Bengali handwritten primary characters, digits, and primarily used compound characters. In this proposed model, an image containing Bengali handwritten text takes as input and processed. Then processed images are segmented into lines and characters. The features are extracted from segmented characters and recognized using a Convolutional Neural Network (CNN). The CNN obtains 98.23% accuracy in the training dataset and 96.02% in the validation dataset. Apart from that, the proposed model has gained 89.6% precision and 92.6% recall scores on scanned image data.
The Distribution Pattern of Acinetobacter baumannii Isolated from Two Tertiary Health Institutions in Rivers State, Nigeria
Authors: Duruike P. N. , Azuonwu O. , Wokem G. N. , Amala S. E.
Published: November 2022

The ubiquitous nature of Acinetobacter baumannii has made the Gram-negative, non-motile bacterium to be associated with hospital-acquired infection at the global level, and with respect to antimicrobial resistance, it has been categorized among the most dangerous multiple drug-resistant (MDR) pathogens globally and enlisted in the "priority 1: critical" pathogens list of the World Health Organization, existing in-hospital patients and environment. Many clinical manifestations such as pneumonia, and wound infection have posed a huge disease burden with massive economic loss. The infection is associated with high morbidity and mortality rates. The burden of this hospital pathogen demands attention, especially with the surge in the resistant strains distribution. In the area of this study, distribution patterns have not extensively been studied therefore, the research focused on the distribution pattern of hospital isolated Acinetobacter baumannii from selected tertiary health facilities in Rivers State Nigeria. The observational study involved isolation and biochemical identification, as well as molecular assay, which was performed using standardized methods, was conducted in two main tertiary hospitals located in Port Harcourt metropolis, Rivers State, Nigeria. Statistics were performed for percentage and frequency distribution. Kruskal-Wallis and Mann-Whitney tests were used to compare the difference in distribution at a 0.05 level of significance. Statistical Package for Social Science version 21 was used for the statistics.368 samples from two institutions; RSUTH 185 (50.3%) and UPTH 183 (49.7%). Females 187 (50.8%) were more compared to the males 181(49.2%) with a significant difference (p<0.05) in isolate distribution but no statistically significant difference (p>0.05) for location and sample. Also, sample distribution was uneven 59 (16.0%), 202 (54.9%), and 107 (29.1%) for aspirate, urine, and wound respectively. 2.4% was recorded in the preliminary investigation while a 75% positive rate was observed using the molecular method. Evidence of the presence of Acinetobacter baumannii in the hospital was established. Also, Acinetobacter baumanii was not isolated from the aspirate sample however, this is subject to further investigation with an increased sample size. Female subjects had a higher rate. The information obtained here is essential to guide therapeutics and the management of targeted clinical manifestation. Therefore, the study serves as surveillance of A. baumannii found in the selected region.
Effect of Irrigation Levels, Nipping and Foliar Spray of Nutrients with Growth Regulators on Yield, Yield Parameter and Economics of Transplanted Pigeonpea (Cajanus cajan (l.) Millsp.)
Authors: Manjunatha N. , Halepyati A. S. , Naik P. Vasudev , Chittapur B. M. , Rao K. Narayana
Published: November 2022

Background: Agronomic practices like supplemental irrigation, nipping, foliar nutrition of macro and micro nutrients and growth regulators are important for realizing the maximum yield potential in transplanted Pigeonpea. Hence the present study was carried out  in combination with agronomic production management practices via  supplemental irrigation, nipping, and foliar nutrition of macro and micronutrients, growth regulators on transplanted pigeonpea.

Methods: The experiment was carried out using a split plot design with sixteen treatment combinations with three replications during Kharif 2016-17 and 2017-18. The experiment included two degrees of irrigation as the primary factor, eight management techniques, fertilizer nipping and foliar spray, as well as a growth regulator as sub factor.

Results: The findings showed that among the different irrigation levels, irrigation each at pre-flowering and pod filling stage recorded significantly higher seed yield and yield parameter  viz., number of  pods  and seed yield per plant at harvest. Among the management practices, nipping +1% pulse magic +1 % 19:19:19 NPK Spray at flowering and 15 days after first flowering recorded significantly higher yield and yield parameter and also higher returns.
Castor Seed Oil: A Promising Biomitecide for Sustainable Management of the Red Coffee Mite (Oligonychus ilicis) (McGregor, 1917) (Prostigmata: Tetranychidae)
Authors: Dutra Thiago Rodrigues , Rocha Claudiane Martins da , Holtz Anderson Mathias , Cofler Tatiane Pereira , Aguiar Ronilda Lana , Carvalho José Romário de , Piffer Ana Beatriz Mamedes , Alves Amanda Gonçalves , Gomes Matheus de Paula , Pretty Irany Rodrigues , Fontes Patrícia Soares Furno
Published: November 2022

The coffee red mite [Oligonychus ilicis (McGregor, 1917)] (Prostigmata: Tetranychidae) is one of the main causes of conilon coffee (Coffea canephora Pierre & Froehn) crop damage due to its phytophagous habit. Nowadays, environment and human harmful synthetic pesticides are used to control this pest. In this context, plant-derived bioactive compounds have been studied as a sustainable alternative for the pest mite management in crops. The aim of this study was to evaluate the castor (Ricinus communis) seed oil action on eggs, larvae, nymph (protonymph and deutonymph) and adults of O. ilicis. Coffee leaf discs (4 cm in diameter) containing 12 individuals of O. ilicis were sprayed with castor seed oil at concentrations of 0.5, 1.0, 1.5, 2.0, 2.5 and 3.0% (v/v) using airbrush. The ovicidal and mortality activity of this extract were evaluated against O. ilicis. The effective concentration of castor oil to cause 50% inhibition of O. ilicis larvae hatching (LC 50) was 1.26% (v/v). Oligonychus ilicis treated with this oil at a concentration of 3.0% presented a larvae hatching percentage of 29.3%, lower than that obtained for the control treatment (79.1%). Castor seed oil 3.0% (v/v) was highly toxic to nymphs and adults of O. ilicis with mortality of 96 and 88%, respectively. Castor seed oil was effective for larvae hatching inhibition and nymphs and adults mortality of O. ilicis, being promising for the coffee red mite sustainable biocontrol.
Development and Performance Evaluation of a Single Screw Extruder for the Production of Floating Fish Feed
Authors: Olalusi A. P. , Olaoye S. A. , Isa J. , Oyerinde A. S. , Ayo-Olalusi C. , Adesuyi D. O.
Published: November 2022

An extruding machine for the production of floating fish feed was designed and fabricated. Performance evaluation of the fabricated floating fish feed extruding machine was done. The design of the hopper; shaft, barrel, screw and die of the machine were done using standard equations. Effect of extrusion parameters which are moisture content (20% 25%, 30%, 35%, and 40%) die size (2 mm, 4 mm, 6 mm, 8 mm and 10 mm) and screw speed (150 rpm; 200 rpm, 250 rpm, 300 rpm and 350 rpm) on expansion ratio, floatability, specific mechanical energy and efficiency were evaluated. The result shows that moisture content has significant effect on all the variables, as highest expansion ratio of 32% was obtained at 30% moisture content and 6 mm die size. Highest feed floatability was 97% at 30% moisture content and 6 mm die size. The highest specific mechanical energy of the machine was 30 kJ/kg at 40% moisture content and 4 mm die size. Die size variation also shows high impact on the machine performance, showing highest efficiency of 83% at 10 mm die size and 250 rpm while the floatation rate was 98% at 6mm die size. Screw speed has significant effect on efficiency having the highest as 85% at 150 rpm and floatability of 93% at 150 rpm while the specific mechanical energy of 29 kJ/kg was the highest at 350 rpm. Operation condition was at its best at 30% moisture content; 6 mm die size and 150 rpm of screw speed. The feed moisture content, machine die size and screw speed have significant effect on the performance of the machine. Careful selection and combination of these factors will give optimum performance of the machine during extrusion of resin.
Gene Therapies for Spinal Muscular Atrophy and Duchenne Muscular Dystrophy: A Pathbreaking Moment in Therapeutics
Authors: Salwa . , Pasha Safia Fathima Anver , Wafeeqa Fatima Wafeeqa x , Srinivasamurthy Suresh Kumar
Published: November 2022

Background: Gene therapy has proved to be a boon for neuromuscular diseases. A concept introduced in the early 1960’s, has been put into clinical practice in the past 5-10 years. The process by which a healthy gene replaces a defective gene in a human body through vectors is truly pathbreaking. Patients with inherited degenerative neuromuscular disorders such as spinal muscular atrophy, and muscular dystrophies undergo progressive deterioration and eventually death. Gene therapy and other adjunctive clinical approaches have provided such patients with a second chance to truly live their life. This review is centered on the different gene therapies currently developed for spinal muscular atrophy and Duchenne muscular dystrophy and also sheds light on the emerging therapies.

Methods: Literature search was done in Medline, Embase, and Google Scholar. The relevant and important articles were included for developing the narrative review. 

Results and Discussion: The nusinersen, risdiplam, zolgensma, eteplirsen, golodirsen, viltolarsen, casimersen and ataluren are developed as gene therapies for Spinal muscular atrophy and Duchenne muscular dystrophy. The therapies approved under orphan drug designation have shown muscle strength improvement in clinical trials. However, long-term data on safety and efficacy is to be determined. The cost of the therapies acts as an impediment in most cases.

Conclusion: The development of gene therapies for inherited genetic disorders would be a prelude for several other genetic diseases. The studies in this arena would provide a prototype for translational research from bench to bedside. Further efforts are mandated towards long term safety, efficacy, and affordability of therapies.
Diabetic Foot Ulcers Healing Promoted by Novel Glibenclamide-loaded Micelle Wound Dressing
Authors: Al-Ghezi Maryam , Almilly Raghad F. , Ali Wedad K.
Published: November 2022

Diabetic foot ulcers (DFU) are chronic wounds, which do not respond to traditional wound treatments. In this work, wound dressings of glibenclamide (GB) incorporated into a  novel mixed matrix were fabricated in the aim of accelerating the healing process of diabetic wounds. GB was loaded into different weight ratios of Soluplus® (SP) and polyvinylpyrrolidone (PVP). The developed dressings were characterized İn vitro and in vivo, for their ability to promote diabetic wound healing. The particle size was

between (1.4-2) µm. The morphology abided by the SP/PVP ratio in the formulated microparticles. Cup/bowl shape, semispherical with corrugated surface, apple shape with smooth surface, concave/star shape, and Irregular corrugated morphology were denoted for GB-SP/PVP1-0, GB-SP/PVP1-1, GB-SP/PVP0-1, GB-SP/PVP1-2, and GB-SP/PVP2-1 formulations, respectively. Glibenclamide was in amorphous form and hydrogen-bonded with the matrix polymers. The GB-SP/PVP0-1 wound dressings showed a burst drug release in about 1 hour due to the hydrophilic nature of PVP. The other GB-SP/PVP formulated polymeric micelles were of sustained release, where GB-SP/PVP2-1 extended the drug release for 48 hours. The MTT assay showed that all GB-SP/PVP dressings have good cytocompatibility, and in consequence, they can be used in further investigations on biomedical applications. In vivo tests on a rat model of a full-thickness wound showed rapid closure, indicating the success of the wound dressings in decreasing inflammation and promoting wound healing without scar formation. Therefore, topical administration of GB-SP/PVP1-0 and GB-SP/PVP2-1 wound dressings has a high potential for the treatment of diabetic wounds in inflammatory and proliferative phases of healing with high bioavailability and fewer systemic adverse effects.
Chad-Cameroon Oil Pipeline: The Socioeconomic and Environmental Issues for Local Residents
Authors: Radler Romaine Doline Ngo Nguéda
Published: November 2022

The objective of this study is to analyze the socio-economic and environmental issues of the Chad-Cameroon oil pipeline. In other words, it is a question of assessing the effects of the pipeline on both the living conditions of the population and the biodiversity of the Atlantic Coastal Zone of Cameroon. To do this, the Contingent Evaluation Method (CEM) is used to determine the willingness to pay (WTP) of the local populations. The collection of data in the study field makes it possible to obtain the opinions of local residents. This collection highlights the preferences expressed by 300 local residents. Most of the effects of pipeline operation are negative for local residents and for the environment in which they live. For instance, most of them have lose their sources of income, resulting from activities related to agriculture, hunting, fishing, and picking. This is caused by the aggression suffered by the natural space. On the other hand, the pipeline seems to have a positive effect on the operating company, which has made huge profits. The results obtained lead us to consider a reflection on effective measures that allow all stakeholders to take part in decision-making that integrate sustainable development Goals SDG-7.
Patient blood management strategies in vascular surgery
Authors:   Department of Cardiovascular Surgery, Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey, Albeyoglu Sebnem
Published: November 2022

Transfusion of blood components can save lives, but like all therapeutics, it carries risks and costs. Therefore, transfusion should be used judiciously. Patient blood management provides safe and rational use of blood and blood products and is designed to improve patient outcomes by minimizing unnecessary exposure to blood products. In this review, perioperative patient blood management and techniques to minimize blood loss during vascular surgery are discussed.
Seismic response and nonlinear characteristics of pile‐soil springs in structures supported by pile group in granular soil on sloping bedrock
Authors: Nakano Takaharu , Miyamoto Yuji
Published: November 2022

In places prone to earthquakes, piles need to be designed to resist seismic damage. However, the characteristics of the soil significantly impact the seismic resistance of piles. Accordingly, in this study, shaking table tests and three‐dimensional finite element analyses were conducted to investigate the seismic response and nonlinear characteristics of pile‐soil springs of a structure supported by a pile group in granular soil on a sloping bedrock. The analytical experiments and simulation were conducted on a group of nine piles arranged in the shape of a square. The results showed that the constraint condition at the pile tip influenced the bending moment response of piles during large input motion, such as that observed during earthquakes. Furthermore, the pile location, direction of pile displacement, and depth was found to affect the influence of the sloping bedrock on the pile soil springs.
Cerebellar impulsivity–compulsivity assessment scale
Authors: Lin Chi‐Ying R. , Amokrane Nadia , Chen Serena , Chen Tiffany X. , Lai Ruo‐Yah , Trinh Paula , Minyetty Michael J. , Emmerich Haidyn , Pan Ming‐Kai , Claassen Daniel O. , Kuo Sheng‐Han
Published: November 2022

Objective

The cerebellum has been identified as the key brain region that modulates reward processing in animal models. Consistently, we recently found that people with cerebellar ataxia have impulsive and compulsive behaviors (ICBs), the main symptoms related to abnormal reward processing. Due to the lack of a validated scale to quantitatively measure ICBs in cerebellar disorders, we aim to develop and validate a new scale, Cerebellar Impulsivity–Compulsivity Assessment (CIA).

Methods

We recruited 62 cerebellar ataxia cases, categorized into those with ICBs and those without. We developed a preliminary version of CIA, containing 17 questions. We studied the internal consistency, test–retest reliability, and inter‐rater reliability to formulate the final version of CIA, which constitutes only 10 questions. The receiver operating characteristic curve (ROC) was generated to assess the sensitivity and specificity of CIA.

Results

Cerebellar ataxia cases with ICBs have threefold higher total preliminary CIA scores than those without ICBs (12.06 ± 5.96 vs. 4.68 ± 3.50, p = 0.038). Cronbach's alpha revealed good internal consistency across all items (α > 0.70). By performing the test–retest reliability and inter‐rater reliability on the preliminary version of CIA, we excluded seven questions (r < 0.70) and generated the final version of CIA. Based on the ROC, a score of 8.0 in CIA was chosen as the cut‐off for ICBs in individuals with cerebellar ataxia with 81% sensitivity and 81% specificity.

Interpretation

CIA is a novel tool to assess ICBs in cerebellar ataxia and broaden our understanding of the cerebellum‐related cognitive and behavioral symptoms.
Rational Design of All‐Inorganic Assemblies with Bright Circularly Polarized Luminescence
Authors: Lv Jiawei , Yang Xuekang , Tang Zhiyong
Published: November 2022

Materials with exceptional circularly polarized luminescence (CPL) are important in multi‐field applications such as 3D display, anti‐counterfeiting, sensing, spin electronics, etc. Although CPL properties have been widely investigated ranging from the traditional chiral organic molecules to the emerging chiral inorganic nanomaterials and their assemblies, a trade‐off between the luminescence efficiency (quantum yield, ϕ) and the luminescence dissymmetry factor (glum) is always the bottleneck for all the chiral luminescent materials, which hinders their practical application. Herein, a new route to overcome the paradox through rationally assembling quantum nanorods and ultrathin inorganic nanowires into ordered multilayer structures is reported, achieving both high ϕ and glum. In these assembled structures, the aligned quantum nanorods emit linearly polarized light that is then transformed to CPL by the aligned ultrathin nanowire assemblies with precisely controlled phase retardation. This method is universal and readily extended to versatile 1D nanomaterials, paving the way for the practical applications of CPL active materials.
Chiral Bis‐Oxalamide‐Rare Earth Complex Catalyzed Inverse‐ Electron‐Demand Asymmetric oxa‐Hetero‐Diels‐Alder Reaction for Optically Active Dihydropyran Core Structures
Authors: Yang Hao‐Di , Chen Jun‐Bo , Peng Cheng , Liu Wen‐Kai , Zhou Sheng‐Suo , Song Jia‐Xin , Qi Zheng‐Hang , Wang Yong , Wang Xing‐Wang
Published: November 2022

Chiral bis‐oxalamide (CBOA)/rare‐earth metal complexes‐catalyzed asymmetric inverse‐electron‐demand oxa‐hetero‐Diels‐Alder (HDA) reactions were investigated under mild reaction conditions, which was performed between β,γ‐unsaturated α‐ketoesters and various electron‐riched dienophiles, such as cyclopentadiene, 2,3‐dihydrofuran, 3,4‐dihydro‐2H‐pyran, tetrahydropyridine as well as phenyl(vinyl)sulfane. Several series of optically active functionalized 3,4‐dihydro‐2H‐pyran or ring fused dihydropyran derivatives were obtained in high yields with high diastereo‐ and enantioselectivity. The procedure was able to tolerate a relatively wide range of substrates. The coordination mode of chiral bis‐oxalamide with Sc(III) was demonstrated by the X‐ray crystallographic structure, and DFT calculations were carried out to uncover the regio‐ and stereocontrol.

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