Search all articles

+ Advanced search
Search articles within:
18991 articles
Proceedings Article

Comparison of Fixed Range Method and Levey-Jennings Method Used in ELISA Detection Anti-HBc

Deyi Ju, Jiandong Wang, Xiaomei Zhao
In this paper aims at using the two different methods (fixed range method and Levey-Jennings method) to study the internal quality control of qualitative ELISA detection anti-HBc and exploring the difference, applicability, effectiveness of the two methods. Method -- the author collects the internal...
Proceedings Article

A Clinical Evaluation on the Tooth Root Canal Treatment for Pulpal Necrosis and Irreversible Pulpitis in Academic Dental Hospital

Sofiani Erma, Mayank Sari
Clinical evaluation is one of the most practical evaluations of root canal treatment. The success of root canal treatment can be seen in a period of 6 months to 4 years. The success rate of root canal treatment after clinical and radiographic evaluation ranges from 83% to 96% depending on pulp status...
Research Article

Integrated Central Blood Pressure-aortic Stiffness Risk Categories and Cardiovascular Mortality in End-stage Renal Disease

Dóra Batta, Ádám Tabák, Beáta Kőrösi, Orsolya Cseprekál, József Egresits, András Tislér, János Nemcsik
Pages: 49 - 55
Background: Our aim was to study the predictive power of integrated central blood pressure-aortic stiffness (ICPS) risk categories on cardiovascular (CV) mortality in end-stage renal disease (ESRD) patients. Methods: This is a secondary analysis of a prospective study of 91 ESRD patients on hemodialysis...

The Analysis of Politeness Principles and Their Violations in Heidi's Cartoon Film Based on Leech’s Perspective

Muhammad Hafizi, Abida Sarah
This study was aimed 1) to reveal the utterances that contain approbation maxim in Heidi's film, 2) to reveal the utterances containing violations of approbation maxim in the Heidi cartoon film based on Leech's perspective. This study employed qualitative methodology utilizing watching techniques, scrutinizing,...
Research Article

Prostaglandin E1 for preventing the progress of pulmonary arterial hypertension in rat model

Jae Chul Lee, Soo Young Choe, Chan Yeong Heo, Sun Ju Jeong
Pages: 49 - 56
Pulmonary artery hypertension (PAH) is a progressive chronic disease with a high mortality rate. Increased pulmonary vascular resistance and over-proliferation of pulmonary artery endothelial cells lead to remodeling of pulmonary vasculature. Several anti-PAH therapies targeting various pathways involved...
Proceedings Article

Students’ Creative Thinking in Posing Mathematical Problem with Different Context

Ratih Maharani, Tatag Yuli Eko Siswono, Endah Budi Rahaju
Learning mathematical is believed to enhance student’s creative thinking. Problem posing can be a form of training in creative thinking. Problem posing requires that the student be creative and use the mathematical knowledge that has been obtained to connect several concepts. Differences context of the...

The Design of Sports Club of Pencak Silat in Elementary School

Mr Suratmin, Adnyana Putra, I Putu Darmayasa
The specific objectives of this development research are (1) to design an elementary school sports club, and (2) to manage the establishment of a pencak silat in an elementary school. This research makes use of the research and development design along with procedure and product trial. Data were collected...

School’s Head Strategy in Improving for Services Participants of Training Skills in Education and Scientific Training Center Malahayati Aceh Indonesia

Fazri Hermanto, Cut Zahri Harun, Sakdiah Ibrahim
The purpose of this study was to determine: the program formulation, execution management, and constraints faced by the head of the hall in the running manaje men and improve the professional instructor. This study uses descriptive method with a qualitative approach. Data collection techniques: Observation,...
Proceedings Article

Set of Fuzzy Time Series Forecasting Models Based on the Difference Rate

Xiaojing Zhu, Hongxu Wang, Chengguo Yin, Xiaoli Lu
Song & Chissom introduced the concept of fuzzy time series in 1993[1], and many fuzzy time series methods have been proposed, however, the prediction accuracy is not high, among which, Jilani, Burney and Ardil (2007) proposed prediction model has achieved a high accuracy. This paper improves their predicted...

Characterization of Activated Carbon from Melinjo (Gnetum gnemon) Shells with Chemical-Physical Activation

Apriliana Dwijayanti, Safril Kartika, Slamet, Yuliusman
The synthesis of activated carbon derived from biomass melinjo shells has been carried out This research makes activated carbon from the shell of melinjo with active chemicals and chemical-physics so that it can distinguish the activated carbon produced. The carbonization process was carried out at 400oC,...
Proceedings Article

Cocrystallization of Mefenamin Acid and Ascorbic Acid by the Solvent Evaporation Method

Indra, Physca Fathiyatul Azhariyah, Ratih Aryani
Objectives: The purpose of this study was to determine the physicochemical properties of mefenamic acid after going through the process cocrystallization using solvent evaporation method and characterization. Method: cocrystallization process is made with 3 ratio (mefenamic acid:ascorbic acid) that is...

Probabilistic Thinking Ability of the Students of Mathematics Education Bachelor’s Degree in Terms of Their Cognitive Style

Abdul Taram, Sukestiyarno, Rochmad, Iwan Junaedi
Probabilistic thinking is one of the internal factors which are very influential towards the students’ ability. However, research regarding the probabilistic thinking has not been massively done. The students’ cognitive style, which is defined as the individual trend to retrieve, to process, to construct,...

The Need Analysis of Chemistry Module Based on Guided Discovery to Facilitate Critical Thinking and Chemical Literacy Ability

Andini Desikasari Nuraisyah, Sulistyo Saputro, Endang Susilowati
This research aims to find out how students and teachers need of chemistry modules based on guided discovery to improve critical thinking and chemical literacy ability. The research method used is qualitative. Data were collected through observation, interview, and questionnaire distribution. The subjects...

The Supernatural Woman and Wartime Female Agency in The Foreshadowing (2006)

Anindita Larasati, Dhita Hapsarani
Female characters in patriarchal settings must often navigate through society using their own agency. One form of power with which they are sometimes endowed is supernatural power. The Foreshadowing (2006) is a children’s novel set in England and France during World War I. Unlike most war-themed children’s...

Why Have Many “Time-Honored Brands” Begun to Take the China-Chic?

Yuxin Dai, Xingyue Song, Zixin Zhang
This paper discusses why old domestic brands have stepped onto China-chic, taking domestic culture as the focus of publicity and main selling point. We select and discuss three domestic brands, Anta, Li Ning, and Warrior (Huili). From the aspects of policy support, consumption environment, and local...

Physiological and Molecular Characterization of Mutated Spathoglottis plicata

Suyitno Aloysius, Nur Aeni Ariyanti, Lili Sugiyarto, Djukri
A number of Spathoglotis plicata mutant orchids were derived from in vitro culture of X-ray irradiated seeds obtained from previous studies. This study aims to identify the physiological and molecular characteristics of the S. plicata mutant orchid. There were 4 groups of mutant orchids corresponding...
Proceedings Article

Effect of Sweet Orange and Pomegranate Peel Extract Combination on in Vivo Antidiabetic and Wound Healing Activity

Evi Sovia, Rini Sundari Harjono, R. J. Nurjatin, Wisna Dirgahasari Asmara, Aktiva Syifaaur Rohmah
Diabetes mellitus is a disease characterized by increased blood glucose levels (hyperglycemia). Diabetic wound healing is slower than healthy individuals. Both sweet orange (Citrus sinensis) and pomegranate (Punica granatum) peel have an antihyperglycemic effect. This study investigated the effect of...

The Form of Parental Participation Influences on Environmental Education Learning Motivation During the Covid-19 Pandemic for Elementary School Students in Makassar City

Erma Suryani Sahabuddin, Basri K., Muhammad Irfan, Andi Makkasau, Muhammad Amran, Nurpadillah
This research is an ex post facto that aims to determine the significant effect of parental participation on learning motivation in environmental education during the Covid-19 Pandemic of Elementary School students in Makassar City. The independent variable in this research was the form of parental participation,...

How does Housing Wealth Impact Wealth Inequality among Families? --------- Experience Evidence from China

Xinyan Luo
This paper focuses on the wealth inequality of families caused by social comparison at the micro level and constructs the index of relative deprivation of wealth. The findings are as follows: 1) high housing wealth has negative effect of wealth inequality, this conclusion has passed the robustness and...
Proceedings Article

The Impact of Enterprise Digital Transformation on Industrial Linkages: A Case Study of Listed Companies

RongQian Chen
The digital economy, as an emerging economic form after agriculture and industrial economy, is playing an increasingly important role in social development. Its goal is to achieve industrial automation, which is an important step in the digital power strategy. Based on this, this paper studies the impact...

Research on the “Multi-Party Collaborative” Regulatory Mode for Mobile Application Security in China: an Evolutionary Game Analysis

Zhen Xu, Yang Yu
Mobile applications have become China’s primary vehicle for Internet information services, contributing significantly to economic and social development. This paper discusses how to leverage the auxiliary roles of industry associations and consumers to collaborate with the government in addressing the...
Conference Abstract

2.3 DETERMINANTS OF INAPPROPRIATELY HIGH PULSE WAVE VELOCITY IN HYPERTENSIVE PATIENTS: A RETROSPECTIVE CROSS-SECTIONAL COHORT STUDY

Marina Di Pilla, Rosa Maria Bruno, Simona Buralli, Melania Sgro’, Piero Amedeo Modesti, Stefano Taddei, Lorenzo Ghiadoni
Pages: 49 - 50
Background: Age and blood pressure (BP) are known to be the main determinants of large artery stiffness. However other factors may lead to an inappropriately high pulse wave velocity (PWV). We investigated the determinants of inappropriately high PWV in hypertensive patients and their possible role in...

A model for low-frequency bursts in subthalamic nucleus neurons

Shigeru Kubota, Jonathan E. Rubin
Pages: 49 - 53
Burst firing in subthalamic nucleus (STN) has been suggested to be highly associated with the motor symptoms in Parkinson’s disease, which result from a loss of dopamine. Although it is clinically very important to clarify the mechanism underlying the bursting dynamics, complex interactions between STN...

Basis of Joint Invariants for (1 + 1) Linear Hyperbolic Equations

I.K. Johnpillai, F.M. Mahomed, C. Wafo Soh
Pages: 49 - 59
We obtain a basis of joint or proper differential invariants for the scalar linear hperbolic partial differential equation in two independent variables by the infinitesimal method. The joint invariants of the hyperbolic equation consist of combinations of the coefficients of the equation and their derivatives...

On Integration of the Nonlinear d'Alembert-Eikonal System and Conditional Symmetry of Nonlinear Wave Equations

Renat Z. Zhdanov
Pages: 49 - 61
We study integrability of a system of nonlinear partial differential equations consisting of the nonlinear d'Alembert equation 2u = F(u) and nonlinear eikonal equation uxµ uxµ = G(u) in the complex Minkowski space R(1, 3). A method suggested makes it possible to establish necessary and sufficient compatibility...
Proceedings Article

Nutrient Concentration of N, P and K in the Components of Eucalyptus pellita F. Muell Tree in East Kalimantan, Indonesia

Ria Paranoan, Wawan Kustiawan, Marjenah Marjenah, Wahjuni Hartati, Syahrinudin Syahrinudin, Sukartiningsih Sukartiningsih, Triyono Sudarmadji
Eucalyptus pellita F. Muell is one of the species developed in industrial forest plantations that has the potential for pulp and paper. Therefore, this research aims to determine the concentration of N, P, and K nutrients in the Eucalyptus pellita F. Muell tree components. This research was conducted...

Improvement and Rejuvenation of Traditional Markets Based on SWOT Analysis in the City of South Tangerang

Fahmi Susanti, Derizka Infa Jaswita, Nurwita, Iis Novianti, Gina Fauziah
The objective of the research is to analyze the appropriate strategy for improvement and rejuvenation of traditional markets in the city of South Tangerang. The study was constructed at Serpong tradional market, Jombang traditional market, Ciputat traditional market, Bintaro Sektor 2 traditional market....

Investment Decisions: The Effect of Risk Perceptions and Risk Propensity for Beginner Investors in West Sumatra

Erly Mulyani, Halkadri Fitra, Fiola Finomia Honesty
Investment decision is an activity carried out by the investor for investing their fund. For this reason, investors must consider many factors. Investor consider accounting information in investment decision. However, investor psychology, which is reflected by a personal signal, is more dominant in investment...

Analysis of the Nature of Science in Grade 4 Student Books Theme 4 “Various Jobs” Published by the Ministry of Education and Culture 2017 Revised Edition

Ike Sutriyani, Anatri Desstya
The purpose of this study is to describe the content level of the nature of science as a product, process, and attitude contained in the student science book Grade 4 Theme 4 “Various Jobs” published by the Ministry of Education and Culture 2017 Revised Edition. This research is qualitative, using a content...

The Development of Teaching Material Based on Savi Approach on "Tembang Dolanan" Material for Elementary School Students

Panji Panji Kuncoro Hadi, Endang Endang Sri Maruti, Hartini Hartini
The purpose of this research is to develop teaching material of SAVI approach on play song " tembang dolanan" material for elementary school students in Madiun Residency. This development research refers to the 4-D method. The research started from February 2017 until November 2017. The research data...

The Improvement of Learning Media in Batik Technology Using Adobe Flash

Kapti Asiatun
This research was aimed to 1) improve learning media using Adobe Flash in Batik Technology course as an instructional form for The Fashion Design Education program, 2) know the feasibility of the Adobe Flash as a learning media Batik Technology course. Using R&D (Research and Development) approach, this...

Students’ Intuition in Mathematical Problem- solving at the Stage of Understanding the Polya Problem

Mr. Arwanto, I Ketut Budayasa, Mega Teguh Budiarto
The type of this research is descriptive explorative with a qualitative approach, aims to know the intuition of students in solving math problems at the stage of understanding Polya problem. Data collection methods triangulate data through tests, interviews, and documentation. The subject of the research...

The Types Of Training Needs For Multicultural-Based Sociology Learning To Enhance Teachers’ Professional Competence

Totok Rochana
This study scrutinized “what is the type of training needs for multicultural-based to enhance the professional competence of sociology teachers. The objectives of this study were: (1) to describe the initial condition of professional competence in multicultural-based sociology learning; (2) to describe...

The Need Analysis of Pencak silat Speed Kick Instrument Based Technology

Muhammad Saleh, Widiyanto Widiyanto
Pencak silat is a sport that requires a fast movement, so as to measure the speed of the attack requires technology-based instruments are valid and reliable, but if the practitioner requires it to support his training program. Thus, this study aims to analyze the needs of the coach on the instrument...
Proceedings Article

Analysis of White Pepper Quality on Petaling 1 and Lampung Daun Kecil (LDK) Varieties at South Bangka

Euis Asriani, Riwan Kusmiadi, Selphi Sari
This The study of pepper quality at South Bangka in Bangka Belitung islands will build a high benefit for many sectors and considerations, primarily on mapping and development of pepper comodity in the future. This research was conducted to study the quality of Petaling 1 and Lampung Daun Kecil (LDK)...
Research Article

The cardio-ankle vascular index predicts chronic kidney disease in Japanese subjects

Daisuke Maebuchi, Munehisa Sakamoto, Jun Fuse, Hiroaki Tanaka, Yasuyuki Shiraishi, Makoto Takei, Yumiko Inui, Yuumi Sutoh, Yukinori Ikegami, Yukihiko Momiyama
Pages: 48 - 53
Objective: Chronic kidney disease (CKD) is known to be associated with the incidence and mortality of cardiovascular disease. Therefore, the prevention of CKD may improve the mortality of cardiovascular disease. The risk factors of CKD are variable and multifactorial, similar to atherosclerosis. We hypothesized...

Developing Batik Learning Model in Early Childhood: Video Learning and Guide Book

Adharina Dian Pertiwi, Panggung Sutapa
Batik learning model is important to support learning and culture process. It helps teacher and children to know batik process from first to end using plastic canting and malam dingin liquid. This study aimed to find out what media is needed and how it gave significant progress in batik learning process....

Profile and Problem of Micro, Small and Medium Enterprises in Bandung

Mr Suryanto, Herwan Abdul Muhyi
This research aims to explain the profile and problems of micro, small and medium enterprises (MSMEs) in Bandung. The research method used is qualitative with explorative research type. Primary data sources were obtained through in-depth interviews and direct field observation. The secondary data sources...

Strengthening the Roles of Sustainable Maritime Economy in East Java, Indonesia

Wisnu Winardi, Muhamad Karim, Asep Saefuddin
East Java is one of the strategic areas in strengthening the maritime economy in Indonesia. This study aims to (1) observe the roles of the maritime sector on the economic development in East Java, Indonesia; especially in the period of 2010-2015, and (2) to analyze the government's efforts in regulating...
Proceedings Article

Numerical Simulation of Flow Conditions of the Floating Channel in Shenzhen-Zhongshan Bridge Project

Hongming Chen, Shuhua Zhang, Jie He
In this paper, the two-dimensional water mathematical model of the Pearl River Estuary is established. Based on the verification of the hydrological data, the tidal current characteristics of the prefabricated immersed pipe pouring area and the floating channel are simulated, and the characteristics...

Dialectics of Student Conflict in Makassar State University

A.Ocatamaya Awaru, Muhammad Syukur, Monika
The purpose of this study was to determine the dialectical conflicts of senior and junior students and their impact. The research method is a qualitative approach; which describes a systematic picture of dialectical conflicts that occur between factual senior and junior students. Data obtained by observation;...

Student Worksheet on Mathematical Learning Based on Modeling to Develop Higher Order Thinking Skills of Senior High School Students

Fahmasari, Darmawijoyo
This study aims to produce valid, practical, and effective student worksheets on mathematical learning based on modeling to develop higher-order thinking skills (HOTS) of class XI high school students in semester 2. This development research uses a design research type of development study. The trial...

The Influence of Project Based Learning Model on Student Writing Skills

Desi Khairani, Tressyalina
Based on preliminary observations at SMP Negeri 1 Panyabungan, students generally had difficulty mastering writing skills. This condition is caused by the learning model used by the teacher that has not varied and is still lacking. This study aims to describe the effect of project based learning learning...

Effects of Novelty Seeking, Destination Image, and Perceived Value Through Satisfaction on Revisit Intention to MICE Destinations

Nursiah Fitri
Revisit intention to MICE destinations and recommending them to other people can help tourists to come back and bring profit to the MICE destinations. This study aims to: 1) Analyze the effect of novelty seeking, destination image, and perceived value on satisfaction of tourists in MICE activities. 2)...

Local Culture in Environmental Conservation: An Ecocritical Overview of a Novel Set in Meratus Mountains, South Kalimantan

Derri Ris Riana, Jahdiah, Rissari Yayuk
Environmental issues that we face today encourage efforts to increase ecological awareness. The green literature movement is used as a medium to raise awareness by voicing criticism of the environment. This movement highlights the increasing environmental damage along with the anthropocentric perspective...

Analysis of Risk Management at Baznas in DIY with Enterprise Risk Management (ERM) Approach

Syah Amelia Manggala Putri, Rizki, Safaah Restuning Hayati
This research aims to analyze the risk potential and risk management implementation of zakat (Islamic alms) on BAZNAZ (Badan Amil Zakat National/National Zakat Official Institution) DIY. The disparity between the potential and realization of zakat in Indonesia, especially in Yogyakarta, indicates that...

Biology Teachers’ Understanding of Argument-Driven Inquiry and Think Pair Share Learning Model Based on the Educational Background and Teachers’ Experience

Opnofti Prihandayu, Paidi
This research was a descriptive study with a census method that aims to describe the biology teachers’ understanding of Argument-Driven Inquiry and Think Pair Share learning model based on the educational background and teachers’ experience. This research used the research subject were 37 teachers, they...

A Research on GDP Growth, Industrial Goods Export and FDI in Industrial Sector in Shandong Province

Bing Li
This paper is to aim at analysing the relationship of Shandong GDP growth with industrial exports and FDI in industrial sector. Test results show that a 1 per cent increase in Shandong industrial goods export will lead to an increase in GDP growth by 0.84 per cent, and that a 1 per cent increase in FDI...

Teachers’ Perception of Singing Activities in Early Childhood Education

Arumi Savitri Fatimaningrum, Nur Hayati, Rina Wulandari, Muthmainnah
The purpose of this study was to determine the teacher’s perception of singing activities in learning process in Early Childhood Education (ECE). This type of research was a qualitative research. Data collection techniques were literature study and Focus Group Discussion ((FGD) with 29 ECE educators...

Treatment Options during Cytokine Storm

Abdullah Alkattan, Kentaro Oh-hashi, Mahmoud Kandeel
Pages: 48 - 52
Cytokine storm is the major cause of death in patients with acute respiratory distress caused by COVID-19. Because cytokine storm is a life-threatening condition, it is important to treat patients with the most appropriate drugs depending on their infectious pathogen and medical status. In this short...