A Procedure for Determining The Locating Chromatic Number of An Origami Graphs

Irawan, Agus,Asmiati, Asmiati,Utami, Bernadhita Herindri Samodra,Nuryaman, Aang,Muludi, Kurnia International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.9

The concept of locating chromatic number of graph is a development of the concept of vertex coloring and partition dimension of graph. The locating-chromatic number of G, denoted by χ_L(G) is the smallest number such that G has a locating k-coloring. In this paper we will discussed about the procedure for determine the locating chromatic number of Origami graph using Python Programming.

Operational Resilience and Human Capital Toward Corporate Sustainable Longevity in Indonesian "Jamu" Industry

IRAWAN, Dadang,PRABOWO, Harjanto,KUNCORO, Engkos Achmad,THOHA, Nurianna Korea Distribution Science Association 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.3

Corporate longevity is an interesting issue from a theoretical point of view. In today's uncertain economic climate, the first priority for a company is survival. The longevity of an organization is basically one of the areas that can classify the sustainability of a company. Known as the cultural heritage of Indonesia, the traditional herbal medicine industry faces challenges of longevity. The word Jamu is a generic expression for traditional herbal medicine in Indonesia. The Jamu industry as Indonesia's cultural heritage must be preserved with good support from a technical, regulatory, and commercial perspective so that Jamu companies do not go into the decline stage. Operational resilience is usually defined as the ability of an organization to adapt rapidly to changing environments. This study aims to identify the effect of operational resilience and human capital on corporate sustainable longevity through innovation performance. The questions are addressed through empirical research of 108 small companies that produce Jamu, traditional herbal medicine in Java, Indonesia. This study was conducted during July-September 2020. Data analysis is carried out with SEM-PLS using SmartPLS software version 3.0 to evaluate the data collected. The results indicated that operational resilience influences corporate sustainable longevity directly and indirectly through innovation performance. However, human capital could not play the antecedent role to corporate sustainable longevity directly or even indirectly through innovation performance. Human capital indicators require deeper exposure in the context of small industries.

Common Practice in Basement Construction in Jakarta-Indonesia

Irawan Firmansyah,Davy Sukamta 한국콘크리트학회 2002 한국콘크리트학회 학술대회 논문집 Vol.2002 No.11

Essential oils as growth-promoting additives on performance, nutrient digestibility, cecal microbes, and serum metabolites of broiler chickens: a meta-analysis

Irawan, Agung,Hidayat, Cecep,Jayanegara, Anuraga,Ratriyanto, Adi Asian Australasian Association of Animal Productio 2021 Animal Bioscience Vol.34 No.9

Objective: The purpose of this meta-analysis was to evaluate the effect of dietary essential oils (EOs) on productive performance, nutrient digestibility, and serum metabolite profiles of broiler chickens and to compare their effectiveness as growth-promoting additives against antibiotics. Methods: Peer-reviewed articles were retrieved from Web of Science, Science Direct, PubMed, and Google scholar and selected based on pre-determined criteria. A total of 41 articles containing 55 experiments with 163 treatment units were eligible for analyses. Data were subjected to a meta-analysis based on mixed model methodology considering the doses of EOs as fixed effects and the different studies as random effects. Results: Results showed a linear increase (p<0.001) on body weight gain (BWG) where Antibiotics (FCR) and average daily feed intake decreased (p<0.001) linearly with an increasing dose of EOs. Positive effects were observed on the increased (p<0.01) digestibility of dry matter, crude protein, ether extract, and cecal Lactobacillus while Escherichia coli (E. coli) population in the cecum decreased (p<0.001) linearly. There was a quadratic effect on the weight of gizzard (p<0.01), spleen (p<0.05), bursa of fabricius (p<0.001), and liver (p<0.10) while carcass, abdominal fat, and pancreas increased (p<0.01) linearly. The dose of EOs linearly increased high density lipoprotein, glucose, protein, and globulin concentrations (p<0.01). In comparison to control and antibiotics, all type of EOs significantly reduced (p<0.001) FCR and tended to increase (p<0.1) BWG and final body weight. Cinnamaldehyde-compound was the only EOs type showing a tendency to increase (p<0.1) carcass weight, albumin, and protein of serum metabolites while this EOs together with EOs-Blend 1 decreased (p<0.01) E. coli population. Low density lipoprotein concentration decreased (p<0.05) with antibiotics and carvacrol-based compound when compared to the control group. Conclusion: This evidence confirms that EOs are suitable to be used as growth promoters and their economical benefit appears to be promising.

Subdivision of Certain Barbell Operation of Origami Graphs has Locating-Chromatic Number Five

Irawan, Agus,Asmiati, Asmiati,Zakaria, La,Muludi, Kurnia,Utami, Bernadhita Herindri Samodra International Journal of Computer ScienceNetwork S 2021 International journal of computer science and netw Vol.21 No.9

The locating-chromatic number denote by 𝛘_𝐿(G), is the smallest t such that G has a locating t-coloring. In this research, we determined locating-chromatic number for subdivision of certain barbell operation of origami graphs.

Effect of feeding fermented soybean meal on broiler chickens’ performance: a meta-analysis

Irawan Agung,Ratriyanto Adi,Respati Adib Norma,Ningsih Niati,Fitriastuti Rahma,Suprayogi Wara Pratitis Sabar,Hadi Rendi Fathoni,Setyono Wahyu,Akhirini Novi,Jayanegara Anuraga 아세아·태평양축산학회 2022 Animal Bioscience Vol.35 No.12

Objective: The present study aimed to quantify the effects of fermented soybean meal (FSBM) on broiler chickens’ performance by employing a meta-analysis approach. Methods: A total of 16 studies were included in the database after being systematically selected using a PRISMA protocol. Hedges’ g effect size was used to quantify pooled standardized mean difference (SMD) using random-effects models at 95% confidence intervals (95% CI). Publication bias among studies was computed with Egger’s test and visualized using funnel plots. Results: Results indicated that dietary FSBM inclusion increased final body weight (BW) (SMD = 0.586, 95% CI: 0.221 to 0.951, p = 0.002) of broiler chickens, particularly in starter period (SMD = 0.691, 95% CL: 0.149 to 1.233, p = 0.013) while in the finisher period, the effect was weaker (SMD = 0.509, 95% CI: 0.015 to 1.004, p = 0.043). Average daily gain (ADG), feed intake (FI), and feed conversion ratio (FCR) were not affected with FSBM inclusion when compared to control. Subgroup analysis revealed that FI increased in starter period (SMD = 0.582, 95% CI: 0.037 to 1.128, p = 0.036). When considering types of microorganism as moderating variables in the subgroup analysis, we found that Aspergillus oryzae, mixed probiotics+bromelain protease, Bacillus subtilis, and Lactobacillus bacteria significantly increased ADG and FI (p<0.01). Additionally, either Bacillus subtilis+protease or Bacillus subtilis alone decreased FCR (p<0.001). However, meta-regression analysis showed that levels of FSBM inclusion had no effects on final BW (p = 0.502), ADG (p = 0.588), FI (p = 0.861), and FCR (p = 0.462). Conclusion: Substituting SBM in broiler chickens’ diet with FSBM improved BW of broiler chickens, especially in the starter period whereas the effects on ADG, FI, and FCR were mostly dependent on microbial strains used for fermentation. Objective: The present study aimed to quantify the effects of fermented soybean meal (FSBM) on broiler chickens’ performance by employing a meta-analysis approach.Methods: A total of 16 studies were included in the database after being systematically selected using a PRISMA protocol. Hedges’ <i>g</i> effect size was used to quantify pooled standardized mean difference (SMD) using random-effects models at 95% confidence intervals (95% CI). Publication bias among studies was computed with Egger’s test and visualized using funnel plots.Results: Results indicated that dietary FSBM inclusion increased final body weight (BW) (SMD = 0.586, 95% CI: 0.221 to 0.951, p = 0.002) of broiler chickens, particularly in starter period (SMD = 0.691, 95% CL: 0.149 to 1.233, p = 0.013) while in the finisher period, the effect was weaker (SMD = 0.509, 95% CI: 0.015 to 1.004, p = 0.043). Average daily gain (ADG), feed intake (FI), and feed conversion ratio (FCR) were not affected with FSBM inclusion when compared to control. Subgroup analysis revealed that FI increased in starter period (SMD = 0.582, 95% CI: 0.037 to 1.128, p = 0.036). When considering types of microorganism as moderating variables in the subgroup analysis, we found that <i>Aspergillus oryzae</i>, mixed probiotics+bromelain protease, <i>Bacillus subtilis</i>, and <i>Lactobacillus</i> bacteria significantly increased ADG and FI (p<0.01). Additionally, either <i>Bacillus subtilis</i>+protease or <i>Bacillus subtilis</i> alone decreased FCR (p<0.001). However, meta-regression analysis showed that levels of FSBM inclusion had no effects on final BW (p = 0.502), ADG (p = 0.588), FI (p = 0.861), and FCR (p = 0.462).Conclusion: Substituting SBM in broiler chickens’ diet with FSBM improved BW of broiler chickens, especially in the starter period whereas the effects on ADG, FI, and FCR were mostly dependent on microbial strains used for fermentation.

Relationships between dietary rumen-protected lysine and methionine with the lactational performance of dairy cows — A meta-analysis

Irawan Agung,Sofyan Ahmad,Wahyono Teguh,Harahap Muhammad Ainsyar,Febrisiantosa Andi,Sakti Awistaros Angger,Herdian Hendra,Jayanegara Anuraga 아세아·태평양축산학회 2023 Animal Bioscience Vol.36 No.11

Objective: Our objective was to examine the relationships of supplemental rumen-protected lysine (RPL) or lysine + methionine (RPLM) on lactational performance, plasma amino acids (AA) concentration, and nitrogen use efficiency of lactating dairy cows by using a meta-analysis approach. Methods: A total of 56 articles comprising 77 experiments with either RPL or RPLM supplementation were selected and analyzed using a mixed model methodology by considering the treatments and other potential covariates as fixed effects and different experiments as random effects. Results: In early lactating cows, milk yield was linearly increased by RPL (β1 = 0.013; p< 0.001) and RPLM (β1 = 0.014; p<0.028) but 3.5% fat-corrected milk (FCM) and energycorrected milk (ECM) (kg/d) was increased by only RPL. RPL and RPLM did not affect dry matter intake (DMI) but positively increased (p<0.05) dairy efficiency (Milk yield/DMI and ECM/DMI). As a percentage, milk fat, protein, and lactose were unchanged by RPL or RPLM but the yield of all components was increased (p<0.05) by feeding RPL while only milk protein was increased by feeding RPLM. Plasma Lys concentration was linearly increased (p<0.05) with increasing supplemental RPL while plasma Met increased (p<0.05) by RPLM supplementation. The increase in plasma Lys had a strong linear relationship (R2 = 0.693 in the RPL dataset and R2 = 0.769 in the RPLM dataset) on milk protein synthesis (g/d) during early lactation. Nitrogen metabolism parameters were not affected by feeding RPL or RPLM, either top-dress or when supplemented to deficient diets. Lactation performance did not differ between AA-deficient or AA-adequate diets in response to RPL or RPLM supplementation. Conclusion: RPL or RPLM showed a positive linear relationship on the lactational performance of dairy cows whereas greater improvement effects were observed during early lactation. Supplementing RPL or RPLM is recommended on deficient-AA diet but not on adequate-AA diet.

Biological Activity and Phytochemical Analysis of Three Indonesian Medicinal Plants, Murraya koenigii, Syzygium polyanthum and Zingiber purpurea

Irawan Wijaya Kusuma,Harlinda Kuspradini,Enos Tangke Arung,Farida Aryani,민유홍,김진숙,김용웅 사단법인약침학회 2011 Journal of Acupuncture & Meridian Studies Vol.4 No.1

Extracts of Indonesian medicinal plants, Murraya koenigii, Syzygium polyanthum,and Zingiber purpurea were investigated for their biological activity. The presence of phytochemicals, cytotoxicity, and antimicrobial and antioxidant activities were investigated. Parts of M. koenigii, S. polyanthum, and Z. purpurea were extracted with ethanol. The extracts were evaluated for antimicrobial activity using the disc diffusion method, while antioxidant activity was determined with a 1,1-diphenyl-2-picrylhydrazyl radical scavenging assay. Cytotoxicity was investigated using the brine shrimp lethality test, and phytochemical screening was performed using a standard method. M. koenigii leaf extract exhibited the most activity in the test microorganism activity index (AI), 0.38−1.25, when compared with standard drugs. S. polyanthum ripened fruit displayed significant antioxidant activity (90%) in comparison to ascorbic acid (95%). Z. purpurea rhizome extract possessed the highest cytotoxic effect with a LC50 of 52 μg/mL. Phytochemical analysis revealed that carbohydrate, tannin, alkaloid, steroid, triterpenoid, and flavonoid were present in the extracts of M. koenigii leaves and twigs, S. polyanthum leaves and ripened and unripe fruits, and Z. purpurea rhizome, while saponin was only present in the S. polyanthum ripened fruit extract. Our work revealed that the M. koenigii leaves,S. polyanthum ripened fruit, and Z. purpurea rhizome extracts have potential as sources of new antimicrobial, antioxidant, and cytotoxic compounds, respectively.

Poster Session:PS 0004 ; Allergy : Allopurinol-Induced Drug Reaction with Eosinophilia and Systemic Symptoms : A Case Report

( Ganis Irawan ),( Wira Idiawaty ),( Teuku Mamfaluti ),( Mahriani Sylvawani ),( Fauzi Yusuf ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1

Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) is a disorder associated with various drugs and characterized by cutaneous drug eruption, eosinophilia and systemic symptoms. The diagnosis poses diffi culties due to its heterogeneity and long latency period. We report a case of 25 year old male with medical history significant for stage four chronic kidney disease, recently started on allopurinol for hyperuricemia, presented with fever, generalized exfoliative dermatitis and jaundice. Laboratory examination revealed hypereosinophilia, hyperuricemia, elevated bilirubin and elevated liver enzymes. Magnetic resonance imaging revealed acalculous cholecysititis and gallbladder hydrops. He was successfully treated with oral methylprednisolone and bepotastine.

The Effect of Corporate Social Responsibility Disclosure on Earning Management and Firm Value: Evidence from Indonesia

Dwi IRAWAN,Sri Wibawani Wahyuning ASTUTI,Nur AFIFAH 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.7

The aim of this research is to provide empirical evidence on the impact of CSR disclosure on earnings management and firm value. The population used in this study were all manufacturing companies listed on the Indonesia Stock Exchange (IDX) in 2018. The sample in this study was 114 companies selected through purposive sampling. The results of data analysis show that CSR has a positive effect on Firm Value. CSR disclosure is one form of activity that companies carry out in influencing their stakeholder decisions. This is by the theory that a company is not an entity that only operates for its interests, but the main objective of the company is to meet stakeholder needs. Besides, CSR has a positive effect on Earning Management. The results of this study contrary to research conducted by prior research which states that CSR can reduce earning management because CSR not only increases information transparency but also creates interaction with stakeholders. The difference in findings in this study is because CSR disclosure in Indonesia is still low, as seen from the average CSR in Indonesia, which is 33%, and it is still not transparent so that companies tend to carry out earnings management.