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1210 articles
Proceedings Article

Oral Health-Related Quality of Life of Hypertension and Diabetes Mellitus Patients in Chronic Disease Management Programs (Prolanis) During the Covid-19 Pandemic

Sri Utami, Novitasari Ratna Astuti
The elderly population in the Special Region of Yogyakarta ranks first, with a total of 14.7 million people in 2020. The aging process causes health problems, decreased organ function, and various physical changes at all cellular, organ, and system levels, increasing disease incidence in the elderly,...
Proceedings Article

Self-assembly of 3D Graphene and Its Superior Adsorption Ability for Heavy Oil

Bo Zhou, Yan Wu, Yao-Qun Huang, Shu Wang, Guo-An Zha
Three-dimensional graphene (3DG) samples were prepared using template-free solvent- thermal synthesis route with graphene oxide (GO) as a precursor. With the GO concentration (CGO) increasing gradually from 4 mg/mL to 10 mg/mL, the morphology of the 3DG evolves from nanoparticle to 3DG monolith material....
Proceedings Article

Effect of element composition on microstructure pattern of Mg-RE alloys

Yongjun Li, Xinggang Li, Minglong Ma, Guoliang Shi
The microstructure of as cast Mg-RE (Mg-Gd, Mg-Y, Mg-Gd-Y and Mg-Gd-Y-Nd) alloys and that after heat treatment were investigated. The results show that the primary solidified precipitated phases of both Mg-Gd and Mg-Y binary alloy were coarse aberration eutectic microstructure pattern. For Mg-Gd-Y ternary...
Proceedings Article

Vanadium Extraction from Molten Vanadium Slag with High Ca and P Contents by Direct Oxidation-acid Leaching Method

Y.N. Wang, W.C. Song, H. Li
A novel method of extracting vanadium from molten vanadium slag was developed to process vanadium slag with high Ca and P contents. The mineral phases of the clinker obtained after oxidizing the molten vanadium slag with high Ca and P contents (10.71 wt. % V2O3, 19.20 wt. % CaO, 1.03 wt. % P2O5) were...
Proceedings Article

Changing of Morphological, Anatomical, Cytological Characteristic and Artemisinin Content in Artemisia cina by Colchicine Treatment

Maria Marina Herawati, Endang Pudjihartati, Andree Wijaya Setiawan
The induction of artificial polyploidy has been considered a valuable tool that can improve many plants’ genetics and change their morphological, anatomical, and physiological characteristics. Artemisia cina plants’ polyploidy is induced through shoot culture to increase artemisinin content. This research...
Proceedings Article

Experimental analysis of frequency on tensile-compressive fretting fatigue behaviour of Al-Zn-Mg alloy

Jiaxin Jiang, Xuemin Fu, Yue Shen, Xiaosong Jiang
Experimental analysis of frequency on tensile-compressive fretting fatigue behaviour of Al-Zn-Mg alloy was studied in this paper. Effect of frequency on fretting fatigue lives, damage characterization and fretting fatigue fractures of Al-Zn-Mg alloy were researched under different frequencies. Factors...
Proceedings Article

Preparation of Activated Carbon from Palm Oil Trunk Using H3PO4 as Activating Agent

Delviana Dwi Jaya, Miftahul Khair
Activated carbon has been successfully made from oil palm trunk with carbonization temperature of 200°C, held for 60 minutes, and chemical activation at room temperature by flowing H3PO4 15% as an activating agent. The proximate analysis results are yield of 78.9%, moisture of 1.1%, ash content of 4.1%,...
Proceedings Article

Comparison Between Sequencing Batch Reactors (SBR) and Stirred Tank Reactors (STR) in Handling Hydraulic Shock Loads

Herawati Budiastuti, Emma Hermawati Muhari, Laily Isna Ramadhani, Mukhtar Ghozali, Robby Sudarman
The use of Stirred Tank Reactor (STR) in wastewater treatment requires a Clarifier in its operation so that Sequencing Batch Reactor (SBR) is an alternative solution. The clarifier is needed to recover some of the wasted microbes in the effluent stream. With SBR, the Clarifier function is replaced when...
Proceedings Article

Hydrogeochemistry of springwater in Leuwisari subdistrict and surrounding, Tasikmalaya, West Java, Indonesia

Sofia Fadillah, Wawan Budianta, Doni Prakasa Eka Putra, Dwi Agus Kuncoro, Fabian Priandani
The southern foot slope of the Galunggung volcano in Leuwisari subdistrict and surrounding, Tasikmalaya, Indonesia, is abundant in springs. These springs are crucial to the community since they provide water for both domestic and agricultural purposes. However, the hydraulic connection between these...
Proceedings Article

Anthropometric Correlation with Blood Glucose Level in Community Health Center Tuntungan, in Medan City

Rina Amelia
Obesity, an excessive accumulation of fat in the body tissues, can occur throughout the body or in a certain part of the body, such as in the abdominal area known as central/abdominal obesity. Fat distribution in the body can be measured by using anthropometry conducted by measuring Body Mass Index (BMI),...
Proceedings Article

Enhanced the adsorption of cadmium by modified orange peel with sodium hydroxide and ethyl alcohol

Jing Gao, Shiyu Jiang, Yunxu Zhu, Shanglong Chen
The aim of this work was to modify orange peel with sodium hydroxide and ethyl alcohol, and optimize the modified conditions and the adsorption parameters. The effects of various parameters including NaOH solution volume, NaOH solution concentration, ethyl alcohol volume, reaction time, reaction temperature,...
Proceedings Article

Effect of frequency on multi-axial fretting fatigue damage behavior of Al-Zn-Mg alloys

Xuemin Fu, Jiaxin Jiang, Beilei Yang, Xiaosong Jiang
In this paper, effect of frequency on multi-axial fretting fatigue damage behavior of Al-Zn-Mg alloys is studied. Point contact fretting fatigue tests are used to research effect of frequency on multi-axial fretting fatigue lives, fretting wear area and fracture appearance. Based on experimental results...

Increased Urinary L-Histidine Concentrations in Children with Obesity

Li Xie, Wei Xie, Xuejun Kang, Zexin Cheng
L-histidine plays an important role in the growth of infants and young children as well as positively improves insulin resistance through suppressed inflammation. The study aimed to investigate the relationship between L-histidine levels and obesity and evaluate the feasibility of L-histidine as an important...
Proceedings Article

Start up of the EGSB reactor under the condition of poor nutrition and Microbial community analysis by next generation sequencing

Runhua Liao, Yan Jiang, Weipan Wang, Jie Du, Yueming Li, Bin Fan
The objective of this study was to investigate the successful start-up of poor nutrition simulated wastewater with sodium acetate carbon source in an EGSB reactor, and EGSB reactor inoculated the flocculent sludge from the anoxic zone in the municipal sewage treatment plant. The results demonstrated...
Proceedings Article

Effects of Selenium on Photosynthetic Characteristics of Tomato Seedlings

Liming Wang, Guochao Sun, Yi Tang
A pot experiment was conducted to study the effects of different concentrations selenium (Se) on the photosynthetic characteristics of tomato seedlings. The results showed that the photosynthetic parameters and photosynthetic pigment content of tomato seedlings increased first and then decreased, and...
Proceedings Article

Design of Environmental Technologies on Agricultural Land

N.I. Bukhtoiarov, E.V. Nedikova
Annually an area equal to an agricultural enterprise is removed from intensive agricultural use as a result of water and wind erosion. Along with this, the deforestation is increasing and the ploughing of territory is also growing. Therefore the issue of the development of environmental technologies...

EFEKTIVENESS TEST OF AKAR KUCING PLANT EXTRACT (Acalypha indica Linn) TO LOWER TOTAL CHOLESTEROL LEVELS IN RATS (Rattus novergicus) WHICH INDUCED HYPERCHOLESTEROLEMIA DIET

Retno Sri Wahyuni, Fitria Agung Nugrahaningtyas, Nove Hidayati, Rochmah Kurnijasanti
This research aims to determine the effect of ethanol extract of Acalypha indica Linn. on levels of total cholesterol of rat that is induced pig oil. This was an experimental research. The sample used was 20 rats were divided into 5 groups (1 group is consist of 4 rats), namely: 1) positive control,...
Proceedings Article

Magnetic Levitation Device for Harvesting Power-frequency Magnetic Field and Mechanical Energy

Wei He, Yue-Ran Lu, Chi-Wen Qu, Cheng-De Lin, Gao-Feng Che, Ji-Tao Zhang
Energy harvesting from ambient energy sources has been receiving considerable interest as the power supply of wireless sensors networks. In this paper, a hybrid energy harvester based on magnetic levitation is presented for scavenging power-frequency magnetic field and mechanical energy. A Halbach array...
Proceedings Article

Effects of Selenium on Growth and Physiological Characteristics of Tomato Seedlings

Jichao Liao, Guochao Sun, Yi Tang
A pot experiment was conducted to study the effects of different concentrations of selenium (Se) on the growth and physiological characteristics of tomato seedlings. The results showed that the biomass, SOD activity, POD activity, CAT activity, soluble protein and soluble sugar content of tomato seedlings...
Proceedings Article

Mechanochemical capture of carbon disulfide by magnesium-carbon composite

Liu Bogu, Zhang Qianqian, Liu Pei, Chen Haipeng, Yu Hao, Zhou Shixue
This work is concerned with mechanochemical capture of carbon disulfide (CS2) by magnesium-carbon composite from ball-miling of Mg and carbonized anthracite. XRD analysis shows that cubic crystal MgS forms when milling time increases more than 1.0 h. The sulfur contents in composites from 0.5, 1.0, 1.5...
Proceedings Article

The Effect of Quercetin for Salt Induces Renal Fibrosis by Suppressing Collagen Production

Widia Lestari, Sri Lestari Sulistyo Rini
The bad effect of salt have been suspected for a least one hundred years. High salt intake increased production of TGF-β where as TGF-β activates a receptor serine/threonine kinase (RS/TK). Through phosphorylation Smad2/3 and Co-Smad cascade they recruited transcription factors and co-activator for initiates...

Strengthening Marketing Mix Performance to Enhance the Competitiveness of Tourism MSMEs Using Importance Performance Analysis Approach

Retno Yustini Wahyuningdyah, MG. Westri Kekalih Susilowati, Widuri Kurniasari
In terms of globalization, turbulent and highly complex environment, competition is stronger and more ruthless. MSMEs are faced with the need to find new ways, paths, and methods for achieving sustainable competitive advantage. Tourism market is determined primarily by tourism demand and tourism offers....
Proceedings Article

Technological Approaches to Cider Quality

Anna Kolobaeva, Olga Kotik
The purpose of the study was to determine key parameters influencing the quality of cider. Six apple grades of different ripeness period were considered: Ulyanishchev's Memory, Berkutovskoye, Ligol, Rossoshanskoye Striped, Bogatyr, and Lobo. All fruits were grown in the pomological garden of Voronezh...
Proceedings Article

Functional Properties of Protein Hydrolysate of Sea Fish and Low Economic Value Hydrolysis Results Using Biduri Protease

Yuli Witono, Livia Wahyuni, Lilik Krisna Mukti, Ardiyan Dwi Masahid, Asrul Bahar
In 2017, The Indonesian fishing productivity reached 6,424,114 tons from the sea and 467,821 tons from freshwaters. Some kinds of sea fish which contain high protein are Crocodile flathead fish (17.86%) and Cardinal fish (18.26%), while kinds of freshwater fish that contain high protein are Common barb...
Proceedings Article

Metabolisable Energy Values of Beef Cattle Ratio Determined Using In Vitro Gas Production Technique

Kusmartono Kusmartono, Mashudi Mashudi, Poespitasari Hazanah Ndaru, Aprilia Dwi Kartika, Muhammad Rifki, Kania Ainul Mardhiah
This study aimed to evaluate the metabolizable energy (ME) value of beef cattle rations using the in vitro gas production technique. Rumen fluid samples were collected from a slaughterhouse in Malang City and analyzed at the Animal Nutrition and Feed Laboratory, Faculty of Animal Science, Universitas...
Proceedings Article

Effect of The Combination of Polishing and Dry Milling Method on Black Glutinous Rice Flour Characteristics

Riezka Zuhriatika Rasyda, Tjahja Muhandri, Slamet Budijanto
This study aims to determine the effect of the combination of polishing and dry-milling method on the characteristics of black glutinous rice flour (BGRF) it produced. The observed parameters were total anthocyanin content, total phenolic content, DPPH and FRAP antioxidant activity, proximate content,...
Proceedings Article

Effect of Extract Black Cumin (Nigella sativa) on the Vaginal Cytology of Ovariectomized White Mouse (Rattus Novergicus Strain Wistar)

Kusuma Andriana, Dian Yuliartha Lestari
Hypoestrogen in menopausal women causes loss of glycogen, decreased lactic acid production that could rise the vaginal pH and facilitates the occurrence of infection, irritation and vaginal becomes dry, hot and itchy. The importance of the role of estrogen for women reproduction, encouraging researches...
Proceedings Article

Study on Pilot-scale Experiment of Electro-catalytic Oxidation in the Deep Treatment of Coking Wastewater

Xiang-Ji WANG, Jun-Bo ZHOU, Ai-Jun ZHANG, Chao WANG, Dong XIAO, Zhi-Na JIN, Yuan MIAO, Tong-Tong ZHI
To investigate the reduction of the COD of coking wastewater by electro-catalytic oxidation, the electro-catalytic oxidation pilot-scale experiment was carried out using the coking wastewater treated by A2/O and the coking wastewater treated by A2/O and fenton oxidation. And the modified electrode material...
Proceedings Article

Ganoderic Acid Accumulation and Biosynthetic Gene Expression during Fruiting Body Development in Ganoderma lucidum

Zhao-Rui Feng, Huan-Jun Li, Jun-Wei Xu
Objective: This work aimed to investigate the accumulation of total triterpenoids, individual ganoderic acid (GA) content and expression of four important biosynthetic genes during fruiting body development in Ganoderma lucidum. Methods: Individual GA content was determined by high performance liquid...
Proceedings Article

Phytochemical Screening, Total Flavonoid Content, and Total Phenolic Content of Ethanol Extract of the Indonesian Fern Selaginella Plana

Suyatno Sutoyo, Amaria, I G. M. Sanjaya, Rusly Hidayah, Devy Puspita Sari, Nurrulhidayah A. Fadzlillah
Selaginella plana (Cakar ayam) is one of the ferns that grow widely in Indonesia and has been used by the community as food, ornamental plants and traditional medicines to treat wounds, respiratory infections, liver disorders, urinary tract infections, fractures, rheumatism, cancer and increase the body...
Proceedings Article

Anti-obesity effect of the jasminum sambac (l.) W.ait. Ethanol extract in high fat diet induced mice

Muhammad Ramadhan, Ari Yuniarto, Ika Kurnia S
Objective:. The aim of this research is to identify the potential anti-obesity effect of Jasminum sambac (L.) W.Ait. ethanol extract in high-fat-diet-induced mice. Method: This assay was administered to high-fat diet induced mice for 30 days, to get an increase of body weight of 20% higher than early...
Proceedings Article

Correlation Between Absolute Neutrophil Counts with the Neutrophil Lymphocyte Ratio in Hyperuricemia

Meri, Yane Liswanti, Anna Yuliana
Objectives: The purpose of this study was to investigate the correlation between absolut neutrophil counts with the Neutrophil Lymphocyte Ratio (NLR) in hyperuricemia. Method: Participants in this study were men 18-65 years old (n = 30). Living in Indonesia the city of Tasikmalaya. Participation selection...
Proceedings Article

Stimulant Activity of Arabica Coffee Leaves (Coffea arabica L.) and Clove Flowers (Syzygium aromaticum (L.) Merr. & L.M. Perry) Ethanol Extract Mixture in Male White Mice

Rahmad Abdillah, Helmi Arifin, Fitri Rachmaini, Melda Guswita
Arabica coffee leaves and clove flowers are some of the plants that are used as traditional medicine. Both of these plants are known to have secondary metabolites that have stimulant activity. This study aims to determine the stimulant activity of a combination of coffee leaf extract (Coffea arabica...
Proceedings Article

Product Development of Fried Shallot from Dairi Potentiates as Souvenir

Hadassah Elisabeth, Tabligh Permana, Elisabeth K. Prabawati
Dairi regency is rich with their horticultural plants, especially shallots. But shallots are seasonal plants which affect the price fluctuation even though it has a big potential. The importance of this research is developing a product from Dairi shallot in order to stabilize the market price of shallot,...
Proceedings Article

Effectivity Removal of Cadmium Toxic Metals from Leachate Using Chlorella Vulgaris Non-Living Cell

Adewirli Putra, Wiya Elsa Fitri
Cadmium (Cd) is a heavy metal group that is toxic, dangerous to health and the environment if its present in large concentrations. Experimental research on the utilization of Chlorella Vulgaris non-living cells has been carried out to removing Cd(II) ions from the invention under various conditions and...

Preparation of Active Carbon from Rice Straw to Reduce TSS Levels and pH Value of Tofu Waste

Mery Napitupulu, Siti Nukra, Daud K. Walanda
This research aims to utilize waste agriculture rice straw as a source to produce carbon active and can be used to reduce the levels of TSS and pH value of activated carbon. The feasibility of TSS levels in tofu waste is seen from SNI 06–6989- 3–2004. The yield of activated carbon from rice straw was...
Proceedings Article

Effect of Electric Field on Aging Phase Transformation in Al-Zn-Mg-Cu Alloys

Chun-Mei Li, Zhong-Jing Xie, Zhi-Qian Chen, Xiao Li, Hong He, Nan-Pu Cheng
The effect of electric fields on the aging phase transformation of Al-Zn-Mg-Cu alloys is investigated with the first-principles method combined with vacancy mechanism. The effects of external electric field with different direction on aging phase transformation and electron structure are analyzed. Results...
Proceedings Article

Effects of Seed Treatment with Uniconazole Powder on Soybean Morphological Characteristics and Yield under Drought Stress

Jiang Liu, Jing Zhang
The flowering stage is the key yield determinant period of soybean. Short-duration water stress occurring during this stage significantly reduced soybean development and final productivity. Seed treatment with uniconazole powder application plays an important role in alleviating the adverse effects of...
Proceedings Article

Synthesis Activated Charcoal of Malapari (Pongamia pinnata) Fruit pee

Ibrahim Ibrahim, Eti Rohaeti, Djeni Hendra
Objective: Utilizing malapari peel as a raw material of activated charcoal and determine its best quality. Method: The samples were carbonized at a temperature of 300 C, 400 C and 450 C. The resulting charcoal was activated chemically and physically. Activated charcoal was characterized based on SNI...

Sulfur Role and Trace Elements in a Chelated form in the Potato Cultivation

Oksana Starovoitova, Viktor Starovoitov, Aleksandra Manokhina, Hikmet Nasibov
The use of foliar application with trace elements in the form of chelated fertilizer may positively affect the plants and give a significant increase in crop productivity. The goal of research was to evaluate the impact of innovative drugs: sulfur-containing and trace elements containing in chelated...
Proceedings Article

Heavy Metal Analysis on Blush on Online Selling by Atomic Absorption Spectrophotometry Method (AAS)

Diana Sylvia, Dini Lanjar Sari, Nita Rusdiana
Cosmetics are a daily human need. The number of cosmetics on the market is thought to contain hazardous or toxic substances, one of which is heavy metals. Based on BPOM RI Regulation Number Hk.03.1.23.07.11.6662 Year 2011 Regarding the requirements for heavy metals in cosmetics, the very limit for Pb...
Proceedings Article

High Strength Mg-5Sn Alloy Prepared by Rapidly Solidified Powder Metallurgy

Zhi-Ming Cui, Yun-Gui Chen, Wu-Cheng Ding, Chun-Ming Wang, Su-Fen Xiao, Peng Cheng
The microstructure and mechanical properties of rapidly solidified powder metallurgy Mg-5Sn alloy were studied in this paper. The results show the nano-scale Mg2Sn phases are dispersed homogeneously in the fine -Mg matrix for the RS P/M Mg-5Sn alloy. In addition, it is also found that the submicron structure...
Proceedings Article

How Early Detection Error Can Lead to Severe Prognosis in Patient with Post-Partum Urinary Retention: A Case Report of Two Cases

Nada Nafisha Humaera, Muhammad Rizkinov Jumsa
Postpartum urinary retention (PUR) is a condition with a post-void residual volume of more than 150 mL. The incidence of PUR is not clear because of an undiagnosed asymptomatic condition. According to from literature incidence of PUR is about 0.05%-37%. Neglected PUR may result in anuria, hydronephrosis,...
Proceedings Article

Analysis of Neonatal Hyperbilirubinemia Caused by Variations in the G6PD Gene Sequence at RSIA Qurrata A'yun Samarinda

Prince Saputra, Aminah Rohimah, Sri Darmawati, Mudyawati Kamaruddin
Hyperbilirubinemia is a common problem in newborns that is characterized by jaundice caused by high levels of bilirubin in the blood. One of the causes of hyperbilirubinemia is a deficiency in the enzyme glucose-6-phosphate dehydrogenase (G6PD), which is the most common metabolic disorder affecting over...
Proceedings Article

Synthesis, Scale And Corrosion Inhibition of Polyaspartic Acid Derivative

Yuhua Gao, Zhenfa Liu, Lihui Zhang, Rui He
Polyaspartic acid derivative (PASP-SEA-ASP) was prepared from polysuccinimide (PSI) that was thermal condensation polymer of aspartic acid (ASP), taurine (SEA) and ASP. The structure of polyaspartic acid derivative was characterized by means of FTIR. The property of scale inhibition of PASP-SEA-ASP by...
Proceedings Article

Heat Treatment Optimizing of MgZnZr Alloy

Kang Haijuan, Li Quan-an, Zhou Wei
The effects of heat treatment on microstructures and mechanical properties of MgZnZr alloy have been investigated through the preparation of alloy, analysis of microstructure and test of mechanical properties. The results show that, the microstructures and mechanical properties of Mg-5.5%Zn- 0.5%Zr alloy...
Proceedings Article

Water Hyacinth Extract Addition Towards Tofu Wastewater Degradation by Anaerobic Treatment

Herawati Budiastuti, Yuliana Nur Amanah, Ranggi Octaviani Pratiwi, Emma Hermawati Muhari, Laily Isna Ramadhani
Indonesian tofu industries produce wastewater with high amounts and concentrations of organic compounds that pollutes the environment. Biological treatment of anaerobic and aerobic systems can degrade organic compounds and produce appropriate effluents for disposal into the environment. Anaerobic degradation...
Proceedings Article

The Mechanism of Carthamin Yellow Injection Promote Acute Myocardial Infarction Infarct Border Zone Angiogenesis

Xiaomin Wang, Zhiyu Zhou, Yaokun Xiong, Jiangtao Wei, Yanting Wan, Fei Li, Zhiyong Liu
We observed the impact of carthamin yellow injection on revascularization in rats with acute myocardial infarction and discuss its mechanism. The left anterior descending branches of the coronary arteries of Wistar rats were ligatured, and the animal model with acute myocardial infarction was duplicated....
Proceedings Article

Adsorption Of Neutral Red From Aqueous Solution By Wheat Husk In A Fixed-bed Column

Yubin Jiao, Jaiqi Zhang, Gening Bi, Runping Han
In this study, the ability of wheat straw to adsorb neutral red (NR) from aqueous solution was investigated in a fixed-bed column. The effects of the flow rate, the influent concentration of NR and bed depth on breakthrough curves, were studied. The adsorption quantity was 26.4 mg/g at initial NR concentration...
Proceedings Article

Interfacial structure of the joints between magnesium alloy and mild steel with nickel as interlayer

Guangxin Zhang, Lu Liu, Chuang Tian, Rongzheng Xu
The joining of magnesium alloy AZ31B and mild steel Q235 is realized by the addition of a Ni interlayer using resistance spot welding technique. The bonding mechanisms of the dissimilar joining have been investigated using mechanical testing and metallurgical examination. The results show that the formation...