bluuebunny/crossref_metadata_2025 huggingface dataset:
Reducing symptoms severity in patient with COVID-19 and post COVID-19 patient using the Sujok Triorigin Therapy (STT) through community empowerment
Authors: Sutrimo Ade , Nurjannah Intansari , Achadiono Deddy Nur Wachid , Hastuti Janatin , Saifullah Azam David , Abdillah Ina Laela , Arifian Rafialdo , Irenda Nabila Putri , Puri Ajeng Wita Astri Devica , Fitrianingrum Wulan , Ado Pius Bonaventura , Destantika Indah Fajar
Published: April 2023

This study aims to determine the result of the Sujok Triorigin Therapy (STT) for reducing symptoms experienced by COVID-19 and post-COVID-19 patients through community empowerment. This study was a pre-experimental design without a control group. STT was provided by volunteers who had been specially trained. STT utilizes a specific therapeutic protocol such as massage, twist, needle, or color therapy on the palm and back of the hands, targeting the symptoms experienced by respondents. Respondents were measured on a symptom severity scale (Likert’s scale 1-5) before and after therapy. There are 7 respondents who were diagnosed positive for COVID-19 and 32 were post-COVID-19, with 16 men and 23 women ranging from 18 to 70 years and the most in the age are 41-50 years group. The symptoms experienced by respondents with COVID-19 and post-COVID-19 are mostly similar such as dyspnea and coughing. The average score of symptom severity reduces from 3.26 to 1.74.  In conclusion, the results show that the STT provides effective therapeutic results for reducing symptoms in COVID-19 patients and post-COVID-19 patients through community empowerment. The symptoms experienced by respondents with COVID-19 and post-COVID-19 are mostly similar such as dyspnea and coughing.
Optimization of Polyvinyl Alcohol (PVA) and Glycerin in Kolang Kaling Peel-Off Gel Mask Formula (Arenga pinnata.)
Authors: Swari Maharani Ni Putu Diah , Cahyani Intan Martha , Hanhadyanaputri Eka Susanti
Published: April 2023

Aging is caused by free radicals, one of which is ultraviolet light which can form ROS. Galactomannan compounds have the potential as antioxidants that can counteract free radicals. Kolang kaling contains many galactomannan compounds. Kolang kaling is processed into a peel-off gel mask, where PVA and glycerin are essential ingredients. PVA can form a polymer film layer, but if the layer is not balanced, glycerin is used as a humectant. The results of the FTIR analysis showed that the functional groups were D-galactopyranose and D-mannopyranose, which were characteristic of the functional groups of galactomannan. The IC50 of kolang kaling powder is 23.8720 ppm, a powerful antioxidant. The interaction of PVA and glycerin increased drying time, viscosity, antioxidant activity, and decreased dispersion, adhesion, and pH. The optimal formula obtained was 14.47% PVA and 15.73% glycerin. The results of the One Sample T-Test validity test found that the results of the equations of each test were valid.
The Characteristic and Antibacterial Activity of Nanosilver Biosynthetic using Sweet Orange
Authors: Ermawati Dian Eka , Putro David Sarono , Amaris Susanto Nindita Clourisa
Published: April 2023

Sweet orange contains citric acid and ascorbic acid that act as a silver ion bioreducer to form nanosilver (AgNPs). Silver ion green synthesis using sweet orange peel resulted in smaller particle sizes than C. lemon and C. limeta. Therofore, this study aims to determine the characteristic of nanosilver biosynthetic using sweet orange bioreductor and antibacterial activity. Silver nitrate solution of 1.0 mM was mixed with sweet orange juice - peel infusion in ratio of 3.0: 0.0; 1.5: 1.5; and 0.0: 3.0 mL. The process was conducted using a water bath at 60 ˚C for 45 minutes. The formation of AgNPs is indicated by a color change from colorless to yellowish-brown using UV/Vis spectrophotometer and PSA. The stability test of AgNPs is determined for 30 days storage at room temprature and their antibacterial activity against S. aureus and S. epidermidis. The results showed that sweet orange juice accelerated the color change at the SPR range of AgNPs at 438-459 nm, but it is less stable. The mix solution of sweet orange juice and sweet orange peel infusion of 1.5: 1.5 mL are stable and promising as an antibacterial agent. Futhermore, the AgNPs produced had a particle size of 41±10 nm and a spherical shape.
Analisis Profil Minyak Atsiri Daun Kayu Putih (Melaleuca leucadendra L.) dan Produk di Pasaran
Authors: Irfan Nawwar , Nurani Laela Hayu , Guntarti Any , Salamah Nina , Edityaningrum Citra Ariani
Published: April 2023

Minyak kayu putih merupakan salah satu minyak atsiri yang biasa digunakan dalam sehari-hari. Produksi dalam negeri hanya dapat memproduksi minyak kayu putih 650 ton/tahun dari permintaan kebutuhan dalam negeri dalam setahun sebesar 3.500 ton sehingga memacu pemalsuan. Penelitian ini bertujuan untuk membandingkan profil minyak kayu putih hasil destilasi dengan minyak kayu putih yang ada di pasaran berdasarkan mutu Standar Nasional Indonesia (SNI).  Destilasi minyak atsiri dilakukan dengan 5 kg daun kayu putih menggunakan metode destilasi uap air selama 3 hari didapatkan rendemen sebesar 2,32%.  Minyak kayu putih hasil destilasi dan minyak produk A, B dan C dilakukan pengujian profil minyak berdasarkan SNI 06-3954-2006 meliputi warna, bau, bobot jenis, indeks bias, kelarutan dalam etanol 70%, dan profil KLT.  Hasil pengamatan organoleptis minyak hasil destilasi, produk A, B, dan C memiliki perbedaan warna, bobot jenis, dan kelarutan dalam etanol 70% serta tidak ada perbedaan bau dan indeks bias. Hasil penelitian menunjukkan adanya perbedaan profil minyak produk A, B, dan C yang tidak memenuhi SNI pada pengujian bobot jenis pada produk C. KLT dengan menggunakan fase diam silika gel GF254 dan fase gerak Toluen (100%).  Profil KLT pada produk C tidak terlihat noda yang sama dengan standar eucalyptol yang diperlihatkan oleh minyak lainnya.

Keywords: Analisis profil, Minyak kayu putih, SNI 06-3954-2006
Application in silico Modeling Simulation in Bioequivalence Studies: A Review
Authors: Pawestri Sekar Ayu
Published: April 2023

Bioequivalence testing aims to ensure that the therapeutic performance of the drug is consistent and reproducible when it is administrated. Modeling and simulation in silico methods are currently performed to conduct virtual bioequivalence studies. Various computer simulation software is used to generate the simulation and model input data. This review summarizes the software used for predicting in vivo performance which supports the analysis of virtual bioequivalence testing. GastroPlus™ and SimCyp® are widely used platforms in generating data for virtual bioequivalence studies. The studies suggest that the validity procedure is necessary for modeling and simulation. The in silico method has become a valuable tool in bioequivalence studies as supporting extension of the biowaiver drug list and contributing to future drug development.
A Theoretical Approach to Artificial Intelligence in Consumer Behavior
Authors: Durmaz Yakup , Yusuf Kilic Yusuf
Published: April 2023

The main purpose of this research is to investigate the effects of artificial intelligence, which has increased its popularity in recent years, on the purchasing behaviors of consumers, which have existed since the first ages, in order to meet their needs. In the study, primarily consumer behaviors are explained. Afterward, a literature search was conducted on the emergence and development of artificial intelligence. Finally, the effects of these two concepts on each other were analyzed.
COMPREHENSIVE REVIEW ON NANOCRYSTAL TECHNOLOGY IN PHARMACEUTICAL FORMULATIONS
Authors: MUNDE MANOJKUMAR K. , SHINDE ANKITA M. , KULKARNI NILESH S. , TAMBE VRUSHALI S. , ALHAT HEMANT P.
Published: April 2023

Many techniques have been developed to overcome the bioavailability problem of poorly soluble drugs. The nanonization is one of the techniques in that micronized particle is converted in nanoparticle. Several processes are applied for nanocrystal production, including precipitation, milling, high pressure homogenization and combination method. The nanocrystal formulation is administered via various routes like oral, intravenous, intramuscular, pulmonary, ocular and dermal but due to safety, patient compliance and ease of administration, oral drug delivery is preferred. There are two basic ways to prepare drug nanocrystals like “bottom-up” and “top-down” technologies. The present literature provides an overview of the achievement in improving the bioavailability of the poorly soluble drug by using different methods.
TEACHING ANGLO-AMERICAN CULTURE AT THE ENGLISH DEPARTMENT: THE PAST, THE PRESENT AND THE FUTURE
Authors: Kocić Stanković Ana , Ignjatović Sanja
Published: April 2023

Following the example of the European and American universities in the last three decades, the English Department of the Faculty of Philosophy in Niš has introduced seven courses dealing with the particulars of foreign cultures - British, American, Canadian, Australian, Irish, Scottish and African American studies - all evolving over the years to encompass both the historical and the contemporary socio-political contexts necessary for educating language and literature students - future teachers - and provide them with the background knowledge indispensable for teaching language and literature in context. At the English Department, the mandatory introductory courses in cultural studies are complemented by electives that provide a deeper understanding of both the theoretical concepts and theories pertaining to cultural studies, and the specifics of individual Anglo-American nations and their cultures.
Prediction on RAC Tickets in Indian Railways
Authors: R Anusha , Albinaa Dr. T. A.
Published: April 2023

Abstract: The “PREDICTION ON RAC TICKETS IN INDIAN RAILWAYS” is based on the Rail transport. It is one of the prominent modes of transportation with reference to goods as well as passenger’s movement in any Economy. Indian Railways also played important role in Economic development of our country and will be at key position in future too. Despite of lots of changes and development in Indian Railways with reference to passenger transportation i.e., increase in number of Railways services, trains, types of trains, facilities inside and outside the trains especially on platforms, ticket reservation system and its procedure via technological advancement and digitalization, information to the passengers regarding their ticket status, and so on, still we find certain basic missing link in the services of Indian Railways and due to which it suffers not only revenue losses but many more. An attempt is being made to address that basic deficiency of Indian Railways reservation system especially with reference to wait listed reservation ticket with the passengers enroute and no information about actual position of the waitlisted ticket enroute in case of vacant seat after departure from the origin point and II charting done. Thus, in this project solution for better convenience of enroute passengers especially with waitlisted or RAC tickets and prevent TTE’s for making illegal money and save revenue loss to the railway through efficiently implementation of suggested ICT within existing systems.
Income Inequality in Madagascar: Regression Analysis
Authors: TIANARISOANAVALONIRINA Hasina D.
Published: April 2023

Abstract: This study suggests that corruption is the leading cause of income inequality in Madagascar. Corruption levels are reflected by education spending, health spending, Tax to GDP ratio, and the GDP per capita. Responsible bodies should focus on the fight against corruption to reduce income inequality, and its negative impacts such as increased mortality rates, poverty, and bad lifestyle. In this study, the Multiple Regression Analysis focused on analyzing the impacts of corruption perception index on mortality rate, healthcare spending, Tax-to-GDP ratio, GDP per capita and Education spending. Therefore, the analysis focused on the trends in the data of these variables. The results suggest that the combination of mortality rate, healthcare spending, Taxto-GDP ratio, GDP per capita and Education spending determined the corruption perception index of the country. However, the individual variables had little impact on the corruption perception index.
Latest Developments in Friction Welding- A Review
Authors: Manzoor Mir Waris , Singh Talwinder , Saini Sachin
Published: April 2023

Abstract: Friction welding has been used for joining the two metal or alloys by the force of friction and it is having numerous benefits over the other conventional methods of joining the alloys. Some of the benefits obtained by this welding are better tensile strength, refine grain hardness, microstructure improvement and metallurgical properties over the parent metal. So, the prime intention of this study is to review the latest trends in the field of friction welding and throwing the light on some aspects which have not realised the potential yet. Therefore, in this research article some stories of the friction welding are collected and analysed on the basis of the parameters, testing and type of materials used for the welding purposes. From most of the articles quoted, it has been found that rotational speed was found to be the dominating parameter among them but the parameter of heat input and stress analysis through latest methods have not used upto that level. On the basis of this review, some recommendations for the manufacturing sectors are highlighted here which may prove to be useful for the industrial applications in the forthcoming times
Effect of Phytochemical Constituents of Argemone Mexicana Leaf Extract
Authors: A Janani , N Gunavthy
Published: April 2023

Abstract: Argemone Mexicana is a herb in Papavceraceae family, traditionally used in treatment of several diseases. The present study was carried out to investigate the phytochemical screening of the leaf extract of Argemone Mexicana. Phytochemical screening of Argemone Mexicana leaf extract was performed using the qualitative photochemical analysis procedures. The preliminary phytochemical screening of Argemone Mexicana leaf (AML) extract was done using various tests with different reagents. The leaf extract has positively answered for carbohydrates, phenols, flavonoids, terpenoids, tannins, alkaloids, coumarins, quinines, fats and fixed oils
Applying Mnemonics in Liberal Arts Music Education
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Han Song-I
Published: April 2023

Objectives The purposes of this study is to explore how mnemonic methods can be applied to liberal arts music classes by exploring the various mnemonic methods and their applicability. Methods To this end, based on past studies on mnemonics, possible ways to apply such methods to composition activities in introductory music classes were explored by identifying different categories and methods that could be adapted. Results Composition activities using mnemonics were into two steps: preparing the score (remembering the order of preparing the score, writing clefs, writing key signatures, and writing time signatures) and the basic composition process (memorizing composition rules based on the 3 major chords, memorizing notes and beats, memorizing note names, memorizing tempo, and memorizing ellipsis). To this end, a total of eight mnemonic methods (story method, acrostics, categorical clustering, key word method, gesture, acronyms, rhyme, and peg word method) were used. Conclusions This study can be meaningful in that by making it easy to memorize the contents that are difficult to remember in the basic music learning process through the use of mnemonics, It can be additionally meaningful in that it can increase the use of various mnemonic methods to help in sheet music reading skills which can allow composition activities.
Differences in inferential comprehension of high school students according to reading motivation level
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Hwang Sanghyeon , Park Youngmin
Published: April 2023

Objectives The purpose of this study is to analyze the difference in high school students' inferential comprehension according to the level of reading motivation. Methods Reading motivation and inferential comprehension of 517 high school students were measured using reading motivation and inferential comprehension tests. Based on the response results, descriptive statistics and correlations were confirmed using Google's colab, and the effect size was calculated with Cohen's d. Results First, the correlation coefficient between reading motivation and inferential comprehension was .308, and the reading efficacy factor showed the highest correlation with inferential comprehension. A difference of about 0.51 was confirmed when calculating the effect size for inferential understanding between a group with high reading motivation and a group with low reading motivation. Second, the correlation between reading motivation and inferential comprehension was high in both the high and low reading motivation groups. Third, when calculated by the effect size, a difference of about 0.19 was confirmed in the inferential comprehension by gender of the group with high motivation to read, but a difference of about .01 was confirmed in the inferential comprehension by gender in the group with low motivation to read. Conclusions First, it is necessary to consider reading motivation when teaching reasoning comprehension, and it is necessary to check reading motivation in advance and design teaching and learning considering it when teaching reasoning comprehension targeting students with low reading motivation. Second, when teaching literature subjects that mainly deal with narrative texts, it is necessary to check students' reading motivation and consider it, and the use of narrative texts can be effective when teaching inferential understanding. Third, if female students are expected to have a higher level of inferential understanding than male students, and instruction in reading may not achieve the intended educational effect.
Development and application of Python teaching⋅learning strategies with block programming language as a advanced organizer
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Go HakNeung , Lee Youngjun
Published: April 2023

Objectives The Purpose in this study, a teaching⋅learning strategy was developed to lower the cognitive load when novice learners with block programming experience learn a text programming. Methods According to previous studies, Python was selected as a text programming language, and Python teaching⋅learning strategies with block programming language as a preceding organizer were developed and reviewed by experts. In addition, the developed teaching⋅learning strategy was applied to 19 elementary school students (8 experimental groups and 11 control groups) to measure computing thinking in a preliminary inspection and cognitive load in a post inspection. Results The teaching⋅learning strategy was finally completed after receiving a validity review from computer education professors and field experts. As a result of applying teaching⋅learning strategies, it was confirmed that they were homogeneous groups in the preliminary examination, and when teaching⋅learning strategies were applied, the cognitive load was measured lower than that of the control group. Conclusions Through prior research and expert review, teaching⋅learning strategy and learning materials with block programming language as a advanced organizer were developed. When learning Python with the developed strategy and learning materials, it was confirmed that the cognitive load was measured lower than with the direct teaching strategy. This is expected to increase academic achievement by allowing learners to have room for cognitive capacity and promoting learning due to the lower cognitive load when learning Python.
Effectiveness and Improvement Plan of Competency-Based Major Curriculums Development and accreditation: Case of H University; Focusing on the professor’s experience
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Cha Jeong-Min
Published: April 2023

Objectives This study was conducted with the purpose of deriving the effect and improvement(&accreditation) plan of H university's competency-based major curriculum development. Methods Qualitative exploration through individual interviews and quantitative collection through questionnaires were conducted for professors in the major curriculum of H University. Nine professors with experience in competency-based major curriculum development (&accreditation) participated in individual interviews, and the collected qualitative data were analyzed in frequency according to the Consensual Qualitative Research-Modified (CQR-M) procedure by Hill (2016). A questionnaire was organized based on the results of qualitative analysis, and a survey was conducted on all professors of the major curriculum to collect opinions from H University education members. A total of 29 people responded to the questionnaire based on a 5-point Likert scale, and it was confirmed that there were no insincere responses, so the responses were analyzed based on the responses of 29 people. The following is a summary of the key contents derived based on the results of the qualitative data analysis and the comprehensive analysis of the quantitative data. Results First, as the main point of the development effect of the competency-based major curriculum, the core contents were derived by categorizing it into ‘systematization and improvement of the curriculum’ and ‘effects in terms of educational members’. Second, key contents were proposed in ‘content aspect of development’ and ‘process aspect of development’ as major improvements in the development of competency-based major curriculum. Third, the effect of the major curriculum accreditaion system can be said to be ‘internalization of the contents and methods of the curriculum centered on educational consumers’ and the opinion on ‘the need for accreditaion incentives’ was the highest. Fourth, it was interpreted that the most important improvement in major curriculum accreditation system needs to be reviewed as a accreditation index considering the educational direction of H University. Conclusions Based on the results of this study, the effective aspects of H University's competency-based major curriculum development and accreditation process were examined, and the future improvement and implications of the competency-based major curriculum development and accreditation system for continuous educational quality were discussed.
Why Is Positive Behavioral Support (PBS) Difficult to Implement in General Schools?: An Analysis of the Experience of Elementary Teachers Who Implemented Tier 1 Universal Support
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Kim Sooyoun
Published: April 2023

Objectives Positive Behavior Support (PBS) is an evidence-based practice. When PBS is implemented for all students at the school level, it contributes to the creation of a safe school culture reducing serious school violence and behavioral problems. This study explored the reason why PBS is difficult to implement in general public schools in Korea. Methods In-depth interviews were conducted and analyzed for five general teachers from two public elementary schools in the Seoul metropolitan area who had experience in implementing grade-level PBS at the recommendation of their fellow teachers in the school, not as part of a project supported by external experts or by the Office of Education. Results Data analysis revealed that the participants started PBS with the idea of consistent life guidance to all students at the grade level, and the effect was very fast and powerful. In order for universal support for PBS to spread in general schools, it was necessary to correct the misunderstanding that PBS is a cumbersome process only for students with disabilities and that it adjusts students' behavior through compensation based on behaviorism. Conclusions Discussions and suggestions were made for life guidance to be an active preventive approach to improving social relations and creating a positive school atmosphere as well as coping with students' problematic behavior.
A Narrative Approach to Married professional Women's Motives of Majoring in Counseling and Experience in Counseling
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Kim Myong Hwa
Published: April 2023

Objectives The purpose of this study is to understand the married professional women’s motive for majoring in counseling, and their experiences in the process. Methods For this, total three married women who were currently working for professional job and also majoring in counseling at the same time, participated in this study. Through the semi-structured questionnaire suitable for the purpose of this study, the participants were able to fully talk about their stories. This study aimed to understand their experiences by using the narrative inquiry method by Clandinin & Connelly based on raw data. Also, this study aimed to increase the quality of research by using the assessment criteria of applicability, consistency, realistic value, and neutrality, in order to raise the reliability and validity. Results Participants' motives of selecting profession are because their clear desire and goals. They could have profession through the departments that they wanted because of having their goals and it has found that they have high satisfaction. And the motives of majoring in counseling were divided into two things of ‘self realization’ and ‘problem solving’ for themselves and others. The participants reported that they felt ‘being more themselves’ and experienced ‘others' changes’ due to this. And they applied the contents that they learned from counseling to their jobs in their own way and showed that they found the central points for balancing in various roles. Conclusions Professional women who majored in counseling got to understand and accept themselves and showed that their individual growth and social changes began by combining counseling with their jobs. The study showed the connecting power of combining profession with counseling, reconfirmed the importance of counseling, and prepared the basis which can expand the counseling field.
Associating Mnemonic Categories with Memorization Content
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Han Song-I
Published: April 2023

Objectives The purpose of this study is to explore the connection between mnemonics methods and memorization contents through mnemonics category analysis. Methods To this end, through literature review, types and classifications of mnemonic methods were comparatively analyzed to find associativity between characteristics of various mnemonic methods and characteristics of the contents to be memorized. Results Firstly, the classification of mnemonic methods was found not to be a hierarchical relationship, and that the characteristics of various mnemonic methods that were used as classification criteria are additive and combinable across different methods rather than exclusive to each method. Accordingly, the classification was reorganized by first separating 1) the catalog list of mnemonic method types from 2) the characteristics categories of mnemonic methods, and then associating the relationship between 1) and 2) in a matrix format. Secondly, the catalog list of mnemonic methods were presented as 10 types (method of loci, peg word method, link method, acronyms, acrostics, story method, rhyme method, gestures method, keyword method, and digit-consonant encoding method). Thirdly, the characteristics categories of mnemonic methods were divided into two main sub-categories: “strategic characteristics of mnemonic methods” and “characteristics of memorization content.” The former was in turn sub-divided into visual and verbal strategies, and the latter was sub-divided into “individual characteristics of elements,” and “co-relational characteristics between the group of elements”. Additionally, the correlation of these characteristics with each mnemonic method type was associated as being either basic (given requirement) or optional (additionally associable), and the overall relationships were presented as a Venn diagram and a matrix format relationship. Conclusions By categprizing the characteristics of mnemonics into two separate categories, strategic characteristics of mnemonic methods, and characteristics of memorization contents, and showing the association of these characteristics with the mnemonic methods, this study hopes to provide a useful reference to help educators in selecting, adapting and utilizing pertinent mnemonic methods for classroom situations and in developing teaching materials.
REFLEXOS DAS PRÁTICAS ESG E DA ADESÃO AOS ODS NA REPUTAÇÃO CORPORATIVA E NO VALOR DE MERCADO
Authors: Mazzioni Sady , Ascari Camila , Martinuzo Rodolfo Noele , Baú Dal Magro Cristian
Published: April 2023

Objetivo: Analisar a influência das práticas ambientais, sociais e de governança (ESG) e o engajamento com os Objetivos de Desenvolvimento Sustentável (ODS) na reputação corporativa e no valor de mercado das companhias abertas listadas na [B]³.
Método/abordagem: Pesquisa descritiva e de abordagem quantitativa, com dados coletados da Economática®, CSRHub, relatórios de sustentabilidade, ranking Merco e [B]³. O período de análise corresponde aos anos de 2016 a 2022 e a amostra pesquisada foi constituída de 1.120 observações.
Principais resultados: Os resultados indicaram que a adoção dos ODS ajuda na melhoria da reputação corporativa. O desempenho em ESG mostrou-se fator preponderante para melhorar a reputação corporativa e o market-to-book. As empresas com presença concomitante de adoção dos ODS e alto desempenho em ESG demonstraram possuir maior reputação corporativa e market-to-book.
Contribuições teóricas/práticas/sociais: A divulgação de informações ambientais, sociais e de governança, alinhadas com o compromisso corporativo de desenvolvimento sustentável, torna claro o posicionamento empresarial e suas interações com as partes interessadas, repercutindo na valorização da marca e no seu valor de mercado.
Originalidade/relevância: O comportamento corporativo responsável aponta para a melhoria da reputação corporativa e a valorização da empresa no mercado acionário.
KEMUNCULAN KEMBALI ULAT API Narosa rosipuncta Holloway (Lepidoptera: Limacodidae) DAN PENGENDALIANNYA DI PERKEBUNAN KELAPA SAWIT SUMATERA UTARA
Authors: Priwiratama Hari , Gama Pradana Mahardika , Susanto Agus
Published: April 2023

Ulat api merupakan salah satu jenis hama yang dapat menyebabkan kerusakan berat pada tajuk tanaman kelapa sawit. Laporan serangan ulat api dengan intensitas berat seringkali terjadi sepanjang tahun di Sumatera Utara yang selama beberapa tahun terakhir didominasi oleh Setothosea asigna, Setora nitens dan Parasa lepida. Selain ketiga spesies tersebut, beberapa jenis ulat api minor juga telah dilaporkan keberadaannya sejak 30 tahun yang lalu, termasuk ulat api kecil Narosa rosipuncta. Pada semester kedua tahun 2019, ledakan N. rosipuncta terjadi di salah satu kebun kelapa sawit di wilayah Kabupaten Simalungun, Sumatera Utara dengan luas total serangan 28 hektar. Ledakan populasi ulat api minor N. rosipuncta tersebut mengindikasikan tidak berlangsungnya mekanisme pengendalian alami di lapangan selain pelaksanaan monitoring yang tidak konsisten. Upaya pengendalian untuk menurunkan populasi N. rosipuncta secara cepat telah berhasil dilakukan dengan aplikasi insektisida berbahan aktif deltametrin.
PENERAPAN METODE FTSW (FRACTION TO TRANSPIRABLE SOIL WATER) DALAM SKRINING TANAMAN KELAPA SAWIT TOLERAN KEKERINGAN
Authors: Pangaribuan Ikhwan Fadli , Fauzi Wan Riski , Supena Nanang
Published: April 2023

Oil palm is a drought sensitive crop. For developing effective and faster drought-tolerant plant breeding techniques, breeders are interested in developing selection based on plant morphological, physiological and biochemical. Several methods that have been tried i.e. reduced field capacity method, determination of permanent wilting point method, nursery watering dose method, utilization of soil moisture monitoring tools and the FTSW method. The FTSW (Fraction of Transpirable Soil Water) method can describe soil moisture conditions based on the amount of water that is transmitted by plants. This trial aims to study the response of some PPKS palm oil varieties to drought stress in seedling phase with FTSW method. Drought stress treatment trials were observed for 16 days. A rapid decline of FTSW value occurred in the first 7 days of drought stress treatment. Each tested seedling experienced  FTSW values decrease ​​ranging from 0.46 to 0.59. This can be caused the age of seedlings and the transpiration of large seedlings. Different soil weights for each polybag affect the rate of transpiration of each plant. Further experiments are needed to see the effect of soil weight and the influence of genetic background of plant material on screening using this FTSW method.
PENGARUH INTENSITAS DAN FILTER CAHAYA TERHADAP PERKEMBANGAN KULTUR KELAPA SAWIT
Authors: Simamora Arfan Nazhri , Erwin Nazri  , Faizah Rokhana
Published: April 2023

Salah satu metode perbanyakan bahan tanaman elit kelapa sawit yang dikenal sebagai tanaman bernilai ekonomis tinggi adalah melalui teknik kultur jaringan (klon). Kendala dalam perbanyakan klonal bahan tanaman kelapa sawit adalah rentang waktu proses kultur yang cukup lama. Berbagai faktor yang mempengaruhi kecepatan perkembangan kultur kelapa sawit di antaranya adalah respon genotipe, jenis dan konsentrasi hormon yang digunakan, tipe dan umur eksplan dan lain sebagainya. Faktor penting lainnya adalah intensitas cahaya dan penggunaan filter cahaya yang dipaparkan ke kultur yang dipelihara di ruang kultur. Hasil pengamatan pada nilai pertambahan tinggi, jumlah akar primer dan sekunder kultur menunjukkan bahwa perlakuan intensitas dan filter cahaya tidak berpengaruh pada pertumbuhan kultur yang ditanam di media dengan penambahan NAA. Jumlah daun dipengaruhi oleh kedua perlakuan, meskipun hasilnya tidak nyata. NAA tampaknya memiliki pengaruh yang lebih kuat dalam meregulasi pertumbuhan kultur. Sedangkan pada kultur yang ditanam di media tanpa NAA, intensitas dan filter cahaya berpengaruh terhadap jumlah daun, jumlah akar primer dan akar sekunder, terutama perlakuan 2 lampu tanpa filter. Intensitas cahaya sebesar 2800 lux (≈27 photosynthetic photon flux density (PPFD)) optimum terhadap pertumbuhan kultur kelapa sawit.

Kata kunci: filter cahaya, intensitas cahaya, kelapa sawit, kultur in vitro, NAA
PEMANFAATAN BERBAGAI SENSOR DALAM MANAJEMEN PERKEBUNAN KELAPA SAWIT
Authors: Al Maududy Muhammad Muzakky , Mardianto Koko , Susanto Agus
Published: April 2023

Perkembangan industri saat ini sudah memasuki era industri 4.0 yang berbasis pada digitalisasi, sehingga akan mempengaruhi semua sendi kehidupan termasuk industri perkebunan kelapa sawit. Pemanfaatan digitalisasi berbasis pada aplikasi Internet of Things (IoT) sangat dibutuhkan untuk peningkatan efisiensi industri perkebunan kelapa sawit. Salah satu tulang punggung pemanfaatan IoT adalah teknologi sensor. Teknologi yang dapat dimanfaatkan di dalam industri perkebunan kelapa sawit antara lain sensor suhu yang dapat dimanfaatkan sebagai pendeteksi hama, sensor warna yang dapat dimanfaatkan sebagai pendeteksi kematangan buah, sensor aroma untuk mendeteksi penyakit Ganoderma atau reseptifitas bunga kelapa sawit, sensor gerak untuk mendeteksi serangan babi hutan, sensor pH digunakan untuk mendeteksi tingkat kesuburan tanah, sensor cahaya untuk pengaturan penerangan kebun, sensor jarak digunakan pada pemetaan, sensor mekanik yang dapat digunakan dalam proses sortasi buah. Teknologi sensor masih sangat banyak jenisnya dan kemungkinan dapat dimanfaatkan dalam industri kelapa sawit.
KAJIAN METABOLIT SEBAGAI PENDUKUNG PROGRAM PEMULIAAN KELAPA SAWIT
Authors: Simamora Arfan Nazhri , Sri Wening
Published: April 2023

Metabolomik merupakan kajian mengenai metabolit yang diekspresikan oleh organisme sebagai respon pembacaan fisiologis akibat pengaruh genetik dan lingkungannya. Kajian tersebut memiliki manfaat yang luas pada program pemuliaan kelapa sawit, Program pemuliaan kelapa sawit memasuki era perakitan bahan tanaman resisten/toleran cekaman biotik dan abiotik sebagai karakter sekunder di samping karakter utama komponen produksi yang tinggi. Kajian metabolomik bisa digunakan untuk penapisan material-material genetik tanaman putatif resisten atau toleran terhadap cekaman biotik dan abiotik. Selain itu, kajian metabolit pada kultur in vitro kelapa sawit juga dapat digunakan untuk mengidentifikasi biomarka yang terkait proses pembentukan somatik embrio maupun profil metabolit/fitohormon pada kultur yang normal maupun abnormal. Tulisan ini mengulas metabolomik, meliputi jenis kajian, tahapan kajian, alat pendukung serta contoh aplikasinya pada pemuliaan kelapa sawit. Mengingat manfaatnya, metabolomik perlu dikembangkan untuk mendukung program pemuliaan kelapa sawit.
HIDROLISAT PROTEIN SEBAGAI PEPTIDA BIOAKTIF DARI BUNGKIL INTI SAWIT DAN FUNGSI BIOLOGINYA
Authors: Hasibuan Hasrul Abdi
Published: April 2023

Bungkil inti sawit (BIS) atau palm kernel cake mengandung protein sebesar 15-21%. Selain sebagai pakan ternak, BIS dapat dimanfaatkan sebagai sumber bahan baku untuk produksi isolat dan hidrolisat protein. Protein BIS mengandung globulin, glutelin-1 dan glutelin-2. Protein dari BIS dapat diekstraksi secara efektif menggunakan larutan alkali diikuti dengan hidrolisis enzimatik untuk menghasilkan hidrolisat protein. Isolat protein dan hidrolisat protein mengandung asam-asam amino yang memenuhi syarat sebagai asam amino esensial yang dibutuhkan oleh manusia. Hidrolisat protein mengandung peptida-peptida yang memiliki bioaktivitas sebagai antioksidan, antibakteri dan antihipertensi. Makalah ini mengulas tentang hidrolisat protein (peptida) dari BIS meliputi ekstraksi protein, hidrolisis protein, fungsi biologi peptida bioaktif, purifikasi dan identifikasi peptida dari BIS.
MIKROBA PELARUT FOSFAT DAN POTENSINYA DALAM MENINGKATKAN PERTUMBUHAN TANAMAN
Authors: Pane Rizki Desika Putri , Noviandi Ginting Eko , Hidayat Fandi
Published: April 2023

Fosfor merupakan unsur hara makro primer yang dibutuhkan oleh tanaman dalam jumlah besar, selain nitrogen dan kalium. Mikroba pelarut fosfat (MPF) terbukti dapat meningkatkan ketersediaan fosfor dan hasil pertanian dengan pendekatan yang ramah lingkungan. Oleh sebab itu, kajian ini bertujuan untuk memberikan informasi mengenai jenis, mekanisme, cara isolasi, serta manfaat MPF dalam meningkatkan pertumbuhan tanaman. Pada kajian ini dijelaskan bahwa beberapa mikroba tanah dari golongan bakteri, jamur, dan alga ditemukan dapat melarutkan fosfat. MPF melarutkan fosfor anorganik dengan beberapa cara yaitu produksi asam organik, asam anorganik, melepas proton, produksi siderofor dan eksopolisakarida. Sementara itu, pelarutan P organik terjadi melalui proses mineralisasi yang dikatalis oleh enzim.
DAMPAK KETIDAKPASTIAN COVID-19, IKLIM, DAN KOMPLEKSITAS LAINNYA PADA INDUSTRI KELAPA SAWIT
Authors: Oktarina Sachnaz Desta , Nurkhoiry Ratnawati , Amalia Rizki , Pradiko Iput , Rahutomo Suroso
Published: April 2023

Upaya mempertahankan peran strategis komoditas kelapa sawit sebagai salah satu pilar pembangunan ekonomi Indonesia memerlukan pemahaman mendalam terhadap faktor fundamental yang mempengaruhi dinamika supply dan demand komoditas ini. Di sisi supply, realisasi produksi kelapa sawit nasional pada tahun berjalan akan dipengaruhi oleh iklim dan tren pelaksanaan teknik budidaya khususnya pemupukan di lapangan bahkan sejak 1 hingga 2 tahun sebelumnya. Pada situasi terkini, hadirnya pandemi COVID-19 diduga telah menambah kompleksitas dalam upaya peningkatan produksi pada tahun 2020 dan 2021. Tidak hanya dari sisi supply, ketidakpastian tentang akhir dari pandemik COVID-19 ini juga telah mengakibatkan demand terhadap CPO menjadi lebih sulit diprediksi. Kajian ini dilaksanakan untuk mengantisipasi dampak kompleksitas faktor-faktor tersebut di tingkat produksi serta merumuskan alternatif solusinya. Analisis konten dengan kajian eksploratif digunakan untuk memberikan gambaran seberapa kuat keterkaitan antar-variabel yang menjadi fokus kajian. Proyeksi iklim, produksi, dan perbandingan year on year memberikan justifikasi tingkat perubahan yang terjadi ketika suatu faktor dipertimbangkan. Penilaian ex-ante dan ex-post tingkat pemeliharaan kebun juga menjelaskan perubahan perilaku pekebun dalam menyikapi efek jangka pendek dari pandemi. Disimpulkan bahwa pandemi COVID-19 dan anomali curah hujan akibat El Niño telah menyebabkan penurunan produksi dibandingkan dengan tahun sebelumnya. Faktor lain yang harus diantisipasi oleh pelaku usaha sawit adalah kebijakan peningkatan tariff barrier, rasionalisasi demand akibat kenaikan harga yang tinggi, pembatasan mobilisasi disebabkan pandemi, dan realisasi program PSR serta insentif biodiesel.
POTENSI TEKNOLOGI IRADIASI ENERGI FOTON UNTUK PENGENDALIAN PENYAKIT BERCAK DAUN Curvularia sp. PADA TANAMAN KELAPA SAWIT
Authors: Priwiratama Hari , Widiyatmoko Bambang
Published: April 2023

Bercak daun Curvularia merupakan penyakit utama pada pembibitan kelapa sawit. Penyakit ini selalu terjadi pada setiap siklus pembibitan dan berpotensi menyebabkan kerusakan berat hingga kematian pada bibit kelapa sawit. Pengendalian penyakit bercak daun hingga saat ini masih bertumpu pada aplikasi fungisida, namun tingkat efikasinya cenderung mengalami penurunan. Di sisi lain, tanaman tahan bercak daun yang menjadi alternatif ideal untuk pengendalian penyakit belum tersedia dan masih memerlukan tahapan pemuliaan yang panjang. Oleh karena itu, teknologi alternatif yang dapat dikembangkan dalam jangka waktu pendek masih sangat diperlukan untuk diintegrasikan dengan fungisida. Cahaya sebagai salah satu sumber kehidupan memiliki banyak peranan penting pada pertumbuhan dan perkembangan tanaman. Energi foton dari berbagai spektrum cahaya mampu meningkatkan ketahanan tanaman terhadap berbagai jenis patogen. Pemanfaatan iradiasi energi foton juga telah didemonstrasikan pada skala lapangan dan terbukti mampu menekan perkembangan penyakit tanaman. Teknologi iradiasi energi foton sangat berpeluang dikembangkan di pembibitan kelapa sawit untuk mengatasi permasalahan bercak daun Curvularia. Teknologi iradiasi ini juga berpotensi untuk diintegrasikan dengan teknologi lain seperti drone dan IoT sehingga dapat memfasilitasi automasi dalam pengaplikasiannya. Namun, beberapa kajian awal masih diperlukan untuk pengembangan teknologi iradiasi energi foton di pembibitan kelapa sawit guna memastikan teknologi yang dihasilkan tidak hanya efektif menekan penyakit tanaman, namun juga tidak berdampak negatif terhadap manusia dan lingkungan.
UPAYA MEMINIMALKAN ABNORMALITAS PADA KLON KELAPA SAWIT
Authors: Azahra Putri Shobrina , Ernayunita
Published: April 2023

Perbanyakan kelapa sawit secara vegetatif dapat dilakukan dengan memanfaatkan bioteknologi kultur jaringan. Keuntungan pengadaan bahan tanam melalui kultur jaringan (klon) antara lain dapat diperoleh bahan tanaman yang unggul dalam jumlah banyak dan seragam, selain itu dapat diperoleh biakan steril (motherstock) sehingga dapat digunakan sebagai bahan untuk perbanyakan selanjutnya. Selain banyaknya keunggulan bahan tanam asal kultur jaringan, terdapat kelemahan perbanyakan kultur jaringan yaitu adanya variasi somaklonal. Variasi somaklonal merupakan perubahan genetik yang terjadi selama proses kultur in vitro, yang bukan disebabkan oleh segregasi atau rekombinasi gen, seperti yang biasa terjadi akibat proses persilangan. Untuk menekan abnormalitas yang disebabkan oleh variasi somaklonal, diperlukan beberapa upaya seperti pemilihan jenis dan konsentrasi Zat Pengatur Tumbuh (ZPT) yang tepat, memangkas siklus kultur dan waktu paparan ZPT, seleksi yang dilakukan sedini mungkin, pemantauan keragaan klon di lapangan, perbaikan sistem kultur, uji DNA, dan penggunaan database yang tertelusur.
Ховор шорооны зарим элементийг тодорхойлох рентгенфлуоресценцийн анализын арга
Authors: Н Зузаан , Н Гансүх , Б Далхсүрэн , Д Жаргалсайхан
Published: April 2023

In this paper an analytical procedure for determination of La, Ce, Pr and Nd in ores of REE has been developed. More than five thousands powdered imples were prepared from various places of the ore deposit The samples were analysed by ED XRF method with Am-241 source for excitation of characteristic K-hnes radiation of the elements We have determined correlation of La-Ce, La-Pr, La-Nd, Ce-Pr, Ce-Nd and Pr-Nd pairs of elements. The results were compared with the data of other methods and reference materials.
Influence of Post-Collision-Interaction in Auto-ionization
Authors: L Henmedekh , O Lhagva , J Madsen
Published: April 2023

Following the ideas of Senashenko we obtain an expression for the resonant part of the auto-ionizing transition matrix consisting of the standart first Born expression, and an additional factor containing the remaining effects of Post-Collision-Interaction. This factor becomes very important when one studies the angular dependence of auto-ionization from spherical symmetric auto-ionization states. We in particular concentrate on decay form the (2s2)1S state since an experimental investigation of this process has recently been published.
Шугаман бус суурьтай шугаман бус илтсээс гэрэл сарних нь
Authors: Г Очирбат , Д Улам-Оргих , О Идэрсайхан
Published: April 2023

Рассияние ТЕ и ТМ поляризованных световых волн на нелинейной плёнке снелинейной подложкой было иследовано спомощью аналитических и численных методов. В вычисленных были использована нелинейности Керровского или насыщающегося Керровского типа и некоторых полупроводников, а так же среды двух уровневых атомов.
Нүүрсэн дэх ураны тархалтыг судалсан тухай
Authors: Н Норов , С Даваа , Ж Дугаржав , Н Оюунтүлхүүр
Published: April 2023

The specific radioactivity concentrations of  226Ra, 232Th and  40K were measured in samples of brown coal and humic acids using γ- spectrometer.
(Fe,Mn)WO_4-ийн бүтцийн болон соронзон шинж чанарын судалгаа
Authors: Н Ehrenberg , M Wiesmann , I Svoboda , Н Weitzel , H Fuess , Д Сангаа
Published: April 2023

Байгалийн нунтаг дээж FеWO4 ба МnW04 дээр рөнтген цацрагийн дифракц ба соронзон мэдрэх чадвар (γ)-ийн температурын хамаарлыг судалжээ. Рентген дифракцийн хэмжилтээс кристалл торын тогтмолуудыг Ритвельдийн аргаар нарийвчлан тооцоолжээ. Соронзон мэдрэх чадварын температурын хамаарлаас урьд ажиглагдаагүй нэгэн шилжилт буйг ажигласан байна.
Шингэн сцинтиллятороор усан дахь радоны идэвхийг хэмжих арга
Authors: Н Норов , Д Шагжжамба , Н Гансүх , Н Оюунтүлхүүр
Published: April 2023

In this paper, among Rn-222 measurements, the toluene extraction method which is comparatively simple is mentioned. At the sample volume of 500 ml, the lower limit of detection for Rn-222 in water has been found to be equal to 0.5 Bq/l.
Цэвэр эрчим хүч
Authors: Н Содном , Б Эрдэв , Л Энхжин , Н Норов , П Зузаан
Published: April 2023

Clean energy sources (solar, wind, thermal water, and nuclear) have been considered in the present paper. It has been shown that those energy sources are ecologically clean in comparison to coal fired plants.