bluuebunny/crossref_metadata_2025 huggingface dataset:
Pemodelan Pergerakan Mikroplastik di Selat Bali
Authors: Bagaskara I Gede Dananjaya , Suteja Yulianto , Hendrawan I Gede
Published: January 2023

The Bali Strait has an important role for the coastal society of East Java and Bali, because as a supplier of lemuru fish. However, the quality of lemuru fish is decrease due to the presence of plastic waste that flow into the Bali Strait. Plastic is a material that’s difficult to decompose, but by using oxidation or mechanical processes causing plastic break to micrometer. Microplastic will be more easily eaten and have a direct impact on the food chain and cause morphological damage or chemical effects that carried by plastic. Based on these problems, its important to conduct research on spatial and temporal microplastic movements in the Bali Strait. However, the wide area of the Bali Strait and the amount of time needed to collect data in the field directly, numerical modeling method was use to solve this problem by using the Finite Volume Ocean Coastal Model (FVCOM) modeled in 3-D and microplastic divided into 3 sizes (0.3 mm, 1 mm, 5 mm). Spatially the movement of microplastic with a size of 0.3 mm, 1 mm, and 5 mm has a relatively similar movement, but has different position based on depth. Temporally the highest total number of microplastic sites is in the potential area of Blimbing Sari catching in the third week, and the potential area for catching Bukit on second week. Whereas in the potential areas of capture Senggrong, Anyir, Watu Anyir and Pang-Pang Bay were not found microplastic.
Sebaran dan Keanekaragaman Cetacea saat Musim Timur di Perairan Tejakula, Buleleng, Bali
Authors: Purba Andri Octapianus , Dharma IGB Sila , Faiqoh Elok
Published: January 2023

Cetaceans are marine mammals whose entire life is in marine and fresh waters. Cetaceans consist of whales, dolphins, and porpois. The distribution of cetaceans is a matter that shows the points of emergence of cetaceans in a waters. Diversity index is to determine the diversity of a group by looking at the number of species in a group. The waters of Tejakula Subdistrict are one of the waters in North Bali. The waters of North Bali is one of the waters which has become a migration path for several species of cetaceans. As a cetacean migration pathway, there are many occurrences of cetaceans in the northern waters of Bali. One of the most famous locations for the emergence of cetaceans in Bali is the waters of the Tejakula District, so research on cetaceans in the waters of the Tejakula Subdistrict needs to be done. This study aims to determine the distribution and diversity of cetaceans in the waters of Tejaula District. This research was conducted for 3 months, namely in the months of July, August and September 2017. Research on the distribution of cetaceans was carried out to determine the cetacean emergence points. The types of cetaceans found during the three months of the study were Stenella longirostris, Stenella attenuata, Globicephala macrorhynchus, Steno bredanensis, Lagenodelphis hosei, and Grampus griseus. The diversity of cetaceans in the waters of the Tejakula sub-district in July was 0.55, August 1.24 and September 0.9. The cetacea diversity index in the study area was divided into two, namely the area outside the reserve 1.22 and the area in the reserve 0.55.
Profil Nitrat dan Fosfat pada Air secara Vertikal di Danau Batur, Bali
Authors: Perwira Ima Yudha , Pertami Nyoman Dati , Ulinuha Devi , Fauzan Farhan Danu
Published: January 2023

The aimed of this study was to determine the reproductive biology aspects of longtail tuna, namely the gonad maturity level, gonadal maturity index, fecundity and length of first maturity. Fish samples were obtained from the catches of fishermen in the Bali Strait which landed at PPP Muncar from December 2018 to February 2019. Gonad maturity level of longtail tuna in December 2018 was mostly found in immature conditions (TKG I). TKG III and IV are most commonly found in February. The highest IKG value was found in February 2019 (0.017). This can be interpreted that lontail tuna experienced peak spawning and was actively reproducing in February. The sex ratio of gray tuna is dominated by male. Fecundity at TKG III ranged from 18,800 to 33,200 grains and at TKG IV of 154,000 grains. The length of first maturity of longtail tuna was 495 mmFL (male) and was 487 mmFL (female).
Identifikasi Hiu yang Diperdagangkan di Bali Menggunakan Metode DNA Barcoding dan Analisis Filogenetik
Authors: Bramasta Rizaldi Cahya , Faiqoh Elok , Hendrawan I Gede , Sembiring Andrianus , Yusmalinda Ni Luh Astria
Published: January 2023

Sharks are one of the keys for ecosystems balance in the ocean. Sharks as top predators have an important role to maintain the stability of the food chain in the ocean. The loss of sharks will have a major impact on the marine ecosystem, so the presence of sharks in the ocean must be protected from extinction. However, there are some activities such as sharks hunting and trading going on because of the high demand of sharks processed products. Bali is one of the locations of shark fishing and trading activities. The problem is the trade-in sharks have gone through the finning process, leaving only the body parts or fins which resulted in the difficulty of morphological identification process. An alternative method that can be used if molecular identification cannot be done is DNA Barcoding. DNA Barcoding means identifying all the animal species with an effective molecular approach applied to identify species. The identification results of DNA Barcoding of shark’s trade in Bali shows that there are four species of sharks have been sold, which is hammerhead sharks (Sphyrna lewini), thresher sharks (Alopias pelagicus), big eye thresher shark (Alopias superliciosus), silky sharks (Carcharinus falciformis). These sharks registered in the IUCN red list, Sphyrna lewini classified as threatened species, while the others (Alopias pelagicus, Alopias superciliosus and Carcharinus falciformis) classified as vulnerable species. In the international trade regulations on CITES, these four species come under the Appendix II. In national regulations, Alopias pelagicus, Alopias superciliosus, Sphyrna lewini have been regulated by the Ministerial regulations, while for Carcharinus falciformis, there are no national regulations yet.
Skrining Fitokimia dan Uji Toksisitas Ekstrak Daun Lamun Halophila Ovalis di Perairan Pantai Karma dan Pantai Serangan, Bali
Authors: Ramadhan Rizky , Dirgayusa I Gusti Ngurah Putra , Faiqoh Elok
Published: January 2023

Seagrass produced active compounds in a form of secondary metabolites as a survival system from predator attack and extreme environmental conditions. The active ingredient of seagrass extract can be an anticancer and antifungal. This study aimed to determine the content of active compounds and differences of toxicity level in seagrass extracts especially Halophila Ovalis in waters of Karma Beach and Serangan Beach. The method used for cytotoxicity test was Brine Shrimp Lethality Test (BSLT) using Artemia salina as an experimental animal. The result of phytochemical test showed that the extract of Halophila Ovalis leaf in Karma Beach contained bioactive compounds, such as alkaloids and tannins. Another side, the extract of Halophila Ovalis leaf in Serangan Beach contained 3 types of bioactive compounds, those were alkaloids, tannins and triterpenoids. The toxicity tests by BSLT method showed that the extract of Halophila Ovalis leaf in both research sites was non-toxic. The result was LC50 where the LC50 value of Halophila Ovalis leaf extract at the lowest to highest concentrations ie, (10, 100, and 1000 ug / ml) did not give a 50% mortality effect on Arthemi salina eggs.
Perbandingan Morfometrik dan Meristik Lamun Cymodoceae serrulata di Perairan Sanur dan Tanjung Benoa, Bali
Authors: Aryanti Ni Putu Ayu , Faiqoh Elok , Putra I Dewa Nyoman Nurweda
Published: January 2023

Cymodoceae serrulata is a type of seagrass that has a slender and round-toothed shape on the tips of leaves that can live in a variety of substrates ranging from rocking to muddy sand. Morphometrics and meristic can describe the environmental conditions of living seagrasses which can be seen from leaf morphology, stem morphology, rhizoma morphology and root morphology. Morfometrics is a measurement to determine the quantitative morphology of an organism while meristic is a calculation of the number of parts of an organism. This research was conducted in January-April 2019 using a purposive sampling method at 8 observation stations in the waters of Sanur and Tanjung Benoa. Data were analyzed by sturges criteria and principal componen analysis. Based on the results of the study, leaf length ranged from 13.4-246.6 mm, leaf width ranged from 3-18.5 mm, stem length ranged from 1-130.3 mm, root length ranged from 10.1-134.1 mm, rhizoma length ranged from 10.1-78.8 mm, rhizoma diameter ranged from 1.2-3.73 mm, the diameter of the leaf stalk ranged from 1.11-3.63 mm and the number of leaves ranged from 2-5 strands. The principal component analysis showed that texture of the substrate (sand, dust, and clay) that most influences the morphometric-meristic seagrass Cymodoceae serrulata is the texture of dust and clay texture. Where the dust texture affects morphometrics-meristik such as the length of the leaf, leaf width, stem length, rhizoma length, root length and number of leaves. While of the stem diameter and rhizoma diameter and root length are influenced by clay texture.
Struktur Komunitas Makrozoobenthos di Ekosistem Mangrove Pulau Serangan Bali
Authors: Ariawan I Ketut Dedi , Dharma I Gusti Bagus Sila , Faiqoh Elok
Published: January 2023

Macrozoobentos are organisms that live at the base of the water (Epifauna) or in the substrate (Infauna) with a size greater than 1 mm. Macrozoobenthos play an important role in the process of decomposition of organic matter in the sediment in the mangrove ecosystem. This research was conducted in August 2018 in the mangrove areas of Serangan Island, Bali. This research has purpose to know the structure of the Macrozoobenthos community in the mangrove ecosystem. It using a purposive sampling   method, which consists of 2 stations, located in the north (adjacent TPA Suwung) as station 1 and on the south (directly facing the sea) as station 2. Each station consists of 5 substations with the distance between the substations adjusted to the condition of the existing mangrove community and each substation has 3 plots with a distance between the plot 10 m. The transect is drawn towards the sea for 50 m. The results obtained at station 2 had higher abundance of macrozoobenthos than Station 1, his shows the condition of the substrate at station 2 it supportive for the survival of macrozoobenthos organisms. The difference in the substrate in each station is thought to be one of the factors that influence the difference in macrozoobenthos density. At stations 1 and 2 have medium diversity, high Eveness and low dominance. This shows that the macrozoobenthos community in the mangrove ecosystem in the north and south of Serangan Island is in a stable condition but if the environment experiences a change, the change will affect the structure of the macrozoobenthos community in the ecosystem environment so that the value of species diversity is at a medium level.
Efektivitas Alat Tangkap Jaring Insang Hanyut pada Ikan Tongkol (Euthynnus sp.) diPerairan Seraya Timur, Bali
Authors: Putra I Wayan Juliantara , Faiqoh Elok , Widiastuti Widiastuti
Published: January 2023

Tongkol fish (Euthynnus sp.) common types of fish resources found in the waters of Bali, especially Karangasem. Fishermen in Seraya Timur Village, Karangasem Regency, use drift gill nets to catch Tuna Fish. The use of drift gill nets is still very simple with the size of the mesh used that is also still diverse, but most use a mesh size of 2 and 2.5 inches. The use of drift gills by fishermen in the village of East Seraya is still very simple and the mesh nets used are also still diverse, but generally use mesh sizes of 2 and 2.5 inches. Therefore, it is necessary to know the level of effectiveness of each of the mesh sizes. The purpose of this study was to determine the amount of tuna fish catch using drift gill nets and the effectiveness of the two mesh sizes in the Seraya Timur waters. This study uses gill drift nets with 2 and 2.5 inch mesh sizes. The number of settings (decrease in net) and haulling (removal of the net) was carried out 22 times in March 2019. The results showed that the total number of catches with a 2 inch mesh size was relatively twice as high as the 2.5 inch mesh. It can be concluded that the net size of 2 inches has a smaller effectiveness compared to 2.5 inch mesh size.
Epifauna Pada Ekosistem Lamun Di Kawasan Pantai Sumberkima dan Pantai Karang Sewu, Bali
Authors: Setyawati Anisa , Faiqoh Elok , Indrawan Gede Surya
Published: January 2023

The seagrass field in the Sumberkima and Karang Sewu Beach are two of the habitats that support epifauna life. Epifaunas benefit the seagrass field by using it as a habitat, food supply source, and shelter from predators. This research aim to understand the epifauna density in the seagrass ecosystem, its correlation with seagrass density, and their condition in the Sumberkima and Karang Sewu Beach. This research was conducted in January – March 2020, which used the purposive randomize sampling method. Results show that Karang Sewu Beach only has the seagrass Enhalus acoroides, while three species, Enhalus acoroides, Thalassia hemprichii dan Cymodocea rotundata where found in Sumberkima Beach. Epifauna density in Sumberkima range between 933.33 ind/m3 – 2400.00 ind/m3. Meanwhile, epifauna density in Karang Sewu range between 1311.11 ind/m3 – 2544.44 ind/m3. The epifauna that is mostly encountered is Smaragdia rangiana. Correlation analysis result using the Pearson Product Moment shows a positive correlation between epifauna and seagrass density, r = 0.55, which means that there is enough relation between both variables. The epifauna community has a variety value of 1.60 – 2.19 in Sumberkima, and 1.26 – 2.14 in Karang Sewu, which both count as moderate. The uniformity values 0.74 – 0.96 in Sumberkima and 0.65 – 0.85 in Karang Sewu, which both count as high. Dominance value range from 0.14 – 0.28 in Sumberkima and 0.17 – 0.42 in Karang Sewu, which count as low. Overall, the epifauna community is classified as moderate, where if there is a change in the environment, the community will quickly change too.
THE ADDITIVE EFFECT OF PAPAYA LEAF EXTRACT (Carica papaya L) ON DRINKING WATER ON THE ORGANOLEPTIC QUALITY OF JOPER CHICKEN MEAT
Authors: A. LESTARIANTO , SRIYANI N. L. P. , DEWI G. A. M. K.
Published: January 2023

This research aims to determine the effect of papaya leaf extract (Carica papaya L) added to drinking water and the organoleptic value of joper chicken meat. This research was conducted at the Laboratory of Animal Product Technology and Microbiology, Faculty of Animal Husbandry, Udayana University for 2 months from February to March 2021. This research used a complete random design (CRD) with 4 treatments and 4 replications assessed by 20 semi-trained panelists. The data were processed by non parametric kruskall wallis test if there was a significant differences, it was followed by man witney. The four treatments were: papaya leaf concentration as much as 0 ml as a control (P0), papaya leaf concentration as much as 25 ml (P1), papaya leaf concentration as much as 30 ml (P2), papaya leaf concentration as much as 35 ml (P3). The variables observed were the organoleptic test which included color, aroma, texture and tenderness, flavour, bitterness level, and total acceptance. The results showed that the effect of adding papaya leaf extract (Carica papaya L) to drinking water had a significant effect (P <0.05) on color, aroma, texture and tenderness, flavour, bitterness level, and total acceptance. The conclusion of this research is the addition of papaya leaf extract to drinking water which can affect the organoleptic quality of joper chicken meat. The optimal concentration of papaya leaves to produce good organoleptic quality is 30 ml, with sensory criteria of golden brown color, fishless aroma, increased tenderness and absence of bitter taste in meat.
RESPONSE Panicum maximum CV. Trichoglume FERTILIZED WITH DIFFERENT TYPES AND DOSAGE OF WASTE VIRGIN COCONUT OIL (VCO)
Authors: N. M. WITARIADI , KUSUMAWATI N. N. C.
Published: January 2023

An experiment to determine the response of Panicum maximum cv. trichoglume fertilized with different types and dosage of waste Virgin Coconut Oil (VCO). The experiment lasted for 3 months, using 2 factor factorial com- pletely randomized design (CRD). The first factor were waste type of virgin coconut oil (VCO): LA (Original waste VCO) and LT: (fermented waste VCO), and the second factor is fertilizer dosage: D0: 0 l ha-1; D1: 2,500 l ha-1; D2: 5,000 l ha-1; D3: 7,500 l ha-1 and D4: 10,000 l ha-1. From these two factors, 10 treatment combinations were obtai- ned and the treatment was repeated 5 times, there were 50 experimental pots. The variables observed: plant height, number of tillers, number of branches, number of leaves, dry weight of leaves, dry weight of stems, dry weight of roots, total dry weight of forage, leaf area per pot, ratio of leaf dry weight to stem dry weight, and the ratio total dry weight of forage with dry weight of roots. The results showed that there was no interaction between different types and dosage of VCO waste in increasing the growth and production of Panicum maximum cv.Trichoglume. The type of original VCO waste (LA) was able to increase growth on the variable plant height and number of leaves of Pani- cum maximum cv. Trichoglume. Increasing the dosage of VCO waste starting at a dosage of 2,500-10,000 l ha-1 on Panicum maximum cv. Trichoglume can increase growth and production in all variables except root dry weight, leaf dry weight ratio to stem dry weight and total dry weight ratio of forage to root dry weight. It was concluded that the growth and production of Panicum maximum cv. Trichoglume can be increased by fertilizing the original VCO waste type (LA) with the best VCO waste dosage 10,000 l ha-1 (D4).
Evaluation of the Digital Elevation Model from the Shuttle Radar Topography Mission (SRTM) on the Papaloapan Macro-Basin, Mexico, using LiDAR as benchmark
Authors: Uribe Edgar Misael , Cruz Escamilla José , Juárez Abigail
Published: January 2023

The Digital Elevation Model (DEM) from the Shuttle Radar Topography Mission (SRTM) is evaluated using a LiDAR DEM from INEGI as benchmark in the Papaloapan Basin (~58,000km2) in Mexico. Three representative regions are selected: 1) a hilly region with strong slopes and elevations over 3,000m, 2) a transitional region with relatively smoother slopes and elevations around 1,000m, and 3) a floodplain with flat terrain and elevations below 100m. The straight comparison of both datasets shows very similar elevation values at the hilly and transitional regions. However, in the floodplain, the relationship has a parabolic shape, and errors are relatively higher, in terms of the elevation range. This is probably due to systematic errors in SRTM being very close to the actual low elevations. Maps of errors suggest strong association with water bodies and the aspect. For example, in the transitional region, most negative errors are found on slopes facing east, while positive errors are found on slopes facing west. Three-dimensional histograms of errors vs. topographic features (elevation, slope, and aspect) are estimated. The histograms suggest a systematic error, which means SRTM could be improved with a simple calibration at least in these cases. Evaluations of public DEMs from different sources in Mexico are considered necessary for the identification of their strengths and weaknesses. We believe these evaluations might provide the grounds for the creation of improved MEDs in the future either by either a simple calibration or through composite MEDs from multiple sources.
CAPACITY OF ADHYAKSA RESERVOIR IN NORTH JAKARTA
Authors: Trijeti Trijeti , Liestyowening Widha Wati
Published: January 2023

Adhyaksa reservoir is located within the Adhyaksa Public Hospital on Mabes Hankam street number 60, Ceger, Cipayung district, in the area of East Jakarta, which is one of the areas prone to flooding. Adhyaksa reservoir has a pump house available that is used to pump the excess water in the reservoir but there are still puddles in several places around the residential area. The problems occurs due to sedimentation in the canal, inadequate size of the canal, and narrowing of the canal. These causes the canal that is supposed to drain water into a reservoir to not work optimally. By conducting canal analysis using Log Pearson III method, using data obtained from 3 Rainfall Station namely, Bekasi Rainfall Station, Halim Rainfall Station, and Bogor Rainfall Station, it was found that the rainfall intensity that occured in the last 10 years cycle is 162,29 mm. Then, the Mononobe equation was used to find the intensity of rain per hour that occours. The planned rain discharge was then found using a rational method. From these calculations, it was discovered that there are 9 canals namely (5, 11, 12, 13, 17, 18, 19, 20 and 23) that are unable to accommodate the rainfall that occurs.
CANAL CAPACITY IN AREA SUMUR BATU PUMP HOUSE – CENTRAL JAKARTA
Authors: Raswitaningrum Tanjung Rahayu , Wardana Bagus Kusuma
Published: January 2023

Sumur Batu Pump House is located at Inpeksi Kali Sunter street, Sumur Batu Village, Kemayoran District – Central Jakarta, with coordinates 6°9'41.29" south latitude and 106°52'25.02" east longitude. In the southern part of Sumur Batu Pump House, there is Kodam Complex where there‘s a main canal that flows to the Stone Well Pump House. Around the area of Sumur Batu Pump House, especially Kodam Complex,  flooding still happens frequently, especially during the rainy season. One of the factors causing the flooding is that many canals are sedimented and the dimension of the canals are insufficient to discharge existing rainfall, as well as insufficient pump capacity. By analyzing the canal using Pearson III Log distribution method and Normal Log, and by predicting the highest planned rainfall score in the next 5 years period, which was calculated using past 25 years of rainfall data obtained from Tanjung Priok Rainfall Station, Kemayoran Rainfall Station, and Halim Rainfall Station, which was then calculated by Thiessen method, it was discovered that the rainfall intensity that occurred for a period of 5 years is 167.01 mm in the Normal Log distribution method. The mononobe equation is then used to find the intensity of rain per hour that occurs. Finally, the rain discharge plan can be sought by using rational method. It is then discovered that there are 4 canals (Canals E, H, I, J) that can’t accommodate the occurring rain discharge.
NUMERICALLY PREDICTING SETTLEMENTS OF WASTE COCONUT FIBER (WCF) MIXED FLEXIBLE PAVEMENT IN HOMOGENEOUS SANDY SOIL BY USING PLAXIS 3D
Authors: Haque Md. Foisal
Published: January 2023

Surface settlement of flexible pavement in coastal reason occurs for the movement of heavy vehicle, liquefaction of soil layer during seismic shaking, land sliding etc. In coastal area, surface settlement is higher than other geographical area because several sandy layers present in the coastal reason. Surface settlement disturbs the longevity of flexible pavement in homogeneous sandy layer. Waste coconut fiber (WCF), fly ash, coir etc. are suitable additives for reducing such types of settlement. In the present study, numerical analysis performs PLAXIS 3D and various (5, 10, 15, 20, 25) percentages of WCF mix with the asphalt by weight for reducing surface settlement of flexible pavement. Mohr-Coulomb failure criterion uses in the numerical analysis and liquefaction has not considered in the present study. However, WCF increases elastic modulus of flexible pavement and it reduces settlement of the pavement. Minimum surface settlement occurs at the maximum percentage of WCF and it is 1.68mm. Therefore, mixer of WCF protects the flexible pavement against severe damage.
THE PERFORMANCE OF QUEUE LENGTH OF VEHICLE ON THE ROUNDABOUT AT SELAMAT DATANG MONUMENT USING PTV VISSIM
Authors: Prasetyo Harwidyo Eko , Setiawan Andika , Trijeti Trijeti , Rahayu Tanjung , Ramadhona Ayu
Published: January 2023

Traffic density or congestion in DKI Jakarta is an issue that difficult to resolved. In this study, an analysis of traffic congestion was carried out by looking at the length of the vehicle queue that occurred at the roundabout. PTV VISSIM performs simulations by entering vehicle volume data and others. The program also shows the results of projections for the next 5 years to find out the impact of traffic at the roundabout. The value of traffic growth per year is 1%. In analyzing the existing conditions using PTV VISSIM, calibration and validation are necessary. On the Jl. Thamrin N-S obtained a queue length of 461.69 m. For sections on Jl. Sudirman S-N is 482.13 m. For the queue length in the existing condition, projections are made for the next 5 years. After the projection, simulation comes with 2 alternatives, road widening and underpass. Based on the projections and alternatives made, the queue length can be obtained. Based on the analysis with these projections and alternatives, the alternative underpass for the queue length on Jl. Thamrin N-S is 0.0 m long and on Jl. Sudirman S-N is 356.20 m. On the Jl. Thamrin N-S is 407.10 m and on Jl. Sudirman S-N is 444.98 m.
ADDITION OF SAND IN ARTIFICIAL AQUIFERS TO IMPROVE CLEAN WATER INTO DRINKING WATER
Authors: Imamuddin Mohammad
Published: January 2023

Water is a very important component for human life. The increasing number of people in Indonesia, such as in the city of Bekasi, will directly result in the demand for clean water for human daily needs getting higher. Quality of water to meet human needs must also be considered. In this case, the Bekasi government through PDAM Patriot Bekasi plays a role in fulfilling water for the needs of its people. However, water from PDAM is only used for clean water needs and cannot be consumed for drinking water. Therefore, this research will provide an alternative so that water is not only used for clean water but also can be used for drinking water by considering existing health standards referring to the Minister of Health Regulation No. 492/MENKES/PER/IV/2010 about drinking water and Minister of Health Regulation No. 416/MENKES/PER/IX/1990 about clean water. The research was carried out by filtration through two (2) samples for testing. The results showed that the use of sand in the filtration method was able to improve quality of PDAM water, both water clarity and color according to regulations as drinking water standards with an arrangement of using medium gravel, coarse sand, red brick, limestone, and fine sand.
THREE ARM UNSIGNALIZED INTERSECTION ON JALAN PERJUANGAN – JALAN KALIABANG BABELAN, NORTH BEKASI
Authors: Fauzan Ardhan Rizakdy , Prasetyo Harwidyo Eko , Setiawan Andika , Soeratmodjo Irnanda Satya
Published: January 2023

The intersection of Jalan Perjuangan - Jalan Kaliabang Babelan, North Bekasi is experiencing high traffic flow. It is because the intersection area is a shopping area and a residential area so that traffic jams often occur during busy traffic jams. This research aims to see the degree of saturation and delay at the research location. This research was conducted using a method based on MKJI 1997. The results of the analysis in the morning, the maximum flow that occurs on weekdays is 5533.7 pcu / hour, the minimum flow on holidays is 3982.2 pcu / hour with the degree of saturation on working day in the morning is equal to 1.18, and the degree of saturation in morning on holidays is 1.30 with a delay in morning in holidays is 36.1 sec / pcu, the delay in morning on working day is 5.7 sec / pcu. The results of the analysis during the day that the maximum flow occurs on holidays is 3905.6 pcu / hour, the minimum flow on working day is 3551.9 pcu / hour with the degree of saturation on holiday is 1.11, the degree of saturation on weekdays in the afternoon is 0.83 with a delay on holiday is 26.97 sec / pcu, a delay on working day is 13.48 sec / pcu. The results of the analysis in the afternoon the maximum flow occurs on weekdays of 6304.8 pcu / hour, the minimum flow on holidays is 5869.1 pcu / hour with the degree of saturation on working day is 1.84, the degree of saturation on holidays is 1.55 with a delay on working day is 0.74 sec / pcu, and delay on holidays is 1.08 sec / pcu
SIMULATION OF RING CONNECTION MODIFICATION ON FLARE STACK STRUCTURE
Authors: Satiawan Budi , Al Hanif Basit , Raswitaningrum Tanjung Rahayu
Published: January 2023

The flare stack serves to protect process equipment facilities against unexpected overpressure. This study aims to follow up on previous research that recommends improvements to the flare stack structure based on corrosion findings that occur in the area of the riser stack around the ring connection for the guy wire. By replacing rusty material, it is also necessary to consider modifications to prevent the risk of re-corrosion. Based on current design observations in the connection ring area for guy wire, side cutting is required which can result in water being trapped. This research aims to find out whether by modifying the connection ring for guy wire, this flare structure still has structural reliability when receiving critical outer loads or not. Based on the results of the study, it shows that modifying the geometry of the connection ring guy wire still provides reliable structural performance when receiving critical outer loads. The maximum stress that occurs in the area around the pad eye is 71.2 Mpa with a maximum stress ratio of 0.434 it shows that the value is still quite far from the maximum allowable voltage ratio of 1.0. So it can be concluded by modifying the connection ring for guy wire to prevent the risk of corrosion can be done without causing a decrease in the performance of the structure in withstanding critical outer loads.
Secondary Arterial Hypertension to Primary Glomerulopathies in Senegal
Authors:   Nephrology Department, Aristide Le Dantec University Hospital, Lemrabott Ahmed Tall
Published: January 2023

Hypertension is a major public health problem. Parenchymal nephropathy is the leading cause of secondary hypertension, with glomerulopathy leading the way. In sub-Saharan Africa
Pengaruh Kecemasan Kesehatan dengan Cyberchondria di tengah Pandemi Covid-19
Authors: Simanjuntak Erni Julianti , Princen Princen
Published: January 2023

Pandemi Covid-19 adalah persoalan yang masih dan sedang ditangani serta menjadi fokus perhatian seluruh dunia saat ini. Dampak dari Covid-19 terhadap kesehatan fisik dan kesehatan mental terlihat dari respon kecemasan dan ketakutan masyarakat akan kesehatan yang muncul dari persepsi atas keadaan menekan yang dialami.  Kecemasan kesehatan (Health Anxiety) adalah kecemasan dan ketakutan berlebihan akan kesehatan yang muncul karena keyakinan atau interpretasi terhadap sensasi dan perubahan tubuh sebagai indikasi mengalami penyakit yang serius (Asmundson, Abramowitz, Richter, & Whedon, 2010; Furer, Walker, & Stein, 2007; Taylor & Asmundson, 2004). Salah satu safety-seeking behavior dalam mengatasi dan menanggapi kondisi pandemi, individu akan mencari informasi-informasi kesehatan melalui internet atau mengunjungi layanan kesehatan online. Kecemasan yang berlebihan yang dikaitkan dengan pencarian informasi kesehatan di internet ini disebut Cyberchondria (Starcevic, 2017). Penelitian ini bertujuan  untuk menguji pengaruh kecemasan kesehatan (Health Anxety) dengan Cyberchondria di tengah pandemi Covid-19. Penelitian dengan metode korelasional mengunakan teknik convenience sampling dilakukan pada 308 orang partisipan penelitian yang merupakan warga negara Indonesia berusia 17 tahun keatas. Instrumen dalam penelitian ini menggunkan Short Health Anxiety Inventory (SHAI) untuk mengukur kecemasan kesehatan dan instrumen Cyberchondria Severity Scale (CSS) untuk mengukur cyberchondria. Data penelitian diuji dengan uji regresi dan hasil penelitian menunjukkan bahwa kecemasan kesehatan berpengaruh signifikan terhadap cyberchondria dimana kecemasan kesehatan ditengah pandemi covid 19 akan memprediksi kecenderungan individu untuk mengalami cyberchondria (R2 = .142, b = 1.516, p = .000; p < .05).
BEING MACHIAVELLIAN, NARCISSISTIC, AND “PSYCHOPATHIC” MAKES YOU DEPRESSED? DARK TRIAD TOWARDS DEPRESSIVE SYMPTOMS DURING THE PANDEMIC
Authors: Sie Nathan Andhikaputra , Anggreany Yuliana
Published: January 2023

People all over the world have suffered in numerous ways due to the now occurring Covid-19 pandemic. The virus not only impacts the physical health, but psychological health as well. People, especially emerging adults with their period of financial and emotional instability, are now more vulnerable to suffer from psychological disorders, such as depression. The dark triad personality traits are socially aversive personality traits. The dark triad personality traits consist of Machiavellianism, psychopathy, and narcissism. Understanding that personality affects the onset of depression, the researcher examines the role dark triad personality traits has towards depression and its symptoms in this current Covid climate. This research used a sample of 130 participants recruited through online questionnaires. The research participant used in this research are emerging adults ranging from ages 18-25 living in Jabodetabek. The findings show that Machiavellianism and psychopathy are positively correlated and influences the prevalence of depressive symptoms within the sample by 12.8% and 14.1%. Narcissism showed no significant correlation with depressive symptoms.
PROSES PENERIMAAN DIRI PADA INDIVIDU YANG MENGALAMI SURVIVOR'S GUILT AKIBAT PANDEMI COVID-19
Authors: Yosephin Maria , Sri Tyas Suci Eunike
Published: January 2023

The COVID-19 pandemic has a broad impact on society. The high death rate from COVID-19 canmake individuals feel guilty when dealing with the loss of loved ones. This study aimed to explorethe process of self-acceptance in individuals who experience survivor's guilt due to the COVID-19pandemic. This study used a phenomenological method. The participants in this study were threeyoung adults 18-39 years old who were still in the process of overcoming survivor's guilt. Theresults showed that the three participants felt regret, helplessness, anger and sadness because theyhave a healthier and more secure condition, while their loved ones are not safe. They tended toblame themselves (survivor's guilt) for something that did not directly affect the death of theirparents. The process of self-acceptance experienced by the participants is unique and non-linearrelated to the aspects of aversion, curiosity, tolerance, allowing and friendship. Emotionalprocesses, participant perceptions, religiosity and support from the environment are factors thatinfluence the process of self-acceptance of the three participants.
The role of glucose-dependent insulinotropic polypeptide 3 (G1P-3) and nucleolar phosphoprotein-1 (NPM1) in pathogenesis of psoriasis
Authors: Hassan M Mohamed , ElTahlawi Samar , Shaker Olfat G. , Magdy Mai
Published: January 2023

Background

Psoriasis is a multifactorial, hyperproliferative, chronic inflammatory skin disease affecting males and females equally.

Aims

To study the expression of certain non-coding RNAs, Interferon Alpha Inducible Protein 6 (IFI6), previously named Glucose-dependent Insulinotropic Polypeptide 3 (G1P-3), and nucleolar phosphoprotein (in serum and tissue), and to attempt to elucidate their role in the pathogenesis of psoriasis, which in turn might help in treatment.

Methods

Twenty patients with psoriasis and 20 healthy subjects were included in this study. Serum and skin biopsies were obtained from all participants. Molecular biology techniques were employed to estimate the expression levels of long noncoding G1P-3 and nucleolar phosphoprotein in serum and skin biopsy.

Results

Psoriasis patients had a mean age of 41.85 ± 12.29. The median serum G1P-3 level of the patients’ group (3.330) was significantly higher than that of the control group (1.085) (P ≤ 0.001). Tissue G1P-3 level of the patients’ group (6.495) was also significantly higher compared to that of controls (1.040) (P ≤ 0.001). Similarly, for nucleolar phosphoprotein, the median serum level of patients’ group (2.030) was significantly higher than that of controls (1.040) (P ≤ 0.001) and median tissue level (5.425) was also significantly higher than that of controls (1.040) (P ≤ 0.001).

Limitations

In this study, only outpatients were included and follow-up was not well-handled. For future work, follow-up can be considered.

Conclusion

Long non-coding G1P-3 as well as nucleolar phosphoprotein may be considered as genetic markers for psoriasis susceptibility. In future, these might provide a novel direction for advances in psoriasis treatment.
Community perception and acceptance of patients with prosthetic devices after disabilities in Saudi Arabia
Authors: Aljuhani Wazzan S. , Alhussaini Abdulmohsen A. , Alangari Hussam S. , Aljabr Saad Z. , Al Karni Abdullah F. , Alhumaidan Mohammed I.
Published: January 2023

Objectives:

It is well-known that prostheses help people with special needs to adapt and have a better quality of life; however, the community’s perception and acceptance of patients with prosthetic devices have not been fully assessed. This study aimed to measure the community’s perception and acceptance of patients with prostheses in Riyadh, Saudi Arabia.

Methods:

A cross-sectional study was conducted using a self-developed questionnaire. The questionnaire included 20 questions to assess three main domains; marriage, employment, and friendship. The questionnaire was distributed for around 4 months to achieve the required sample size. The assessment of community acceptance of people with prostheses was measured by the Prosthesis Acceptance Assessment Test, which is 20 items on a five-point Likert scale. A score of 60 and above indicate a high acceptance rate for a participant.

Results:

A total of 526 participants responded to the questionnaire, of which only 68 (12.9%) participants knew someone with a prosthesis. Most participants were female (n = 292, 55.5%) and bachelor’s degree holders (n = 90, 26.1%). The acceptance rate was higher in females (n = 78, 26.7%) than males (n = 58, 24.8%), with most participants (n = 390, 74.1%) not accepting people with prostheses.

Conclusion:

Most participants in the study were not socially accepting people with a disability using prostheses. Reasons were not explored as there was no age, gender, or educational status differences that may have potentially explained the low acceptance rate.
Childhood movement disorders: Clinicoetiological pattern and long-term follow-up at tertiary care center from South India
Authors: Parameshwarappa Navya N. , Gowda Vykuntaraju K. , Shivappa Sanjay K.
Published: January 2023

Objectives:

Movement disorders are common neurological problems. There is a considerable delay in the diagnosis of movement disorders which indirectly indicates their under-recognition. The studies regarding relative frequencies and their underlying etiology are limited. Describing and classifying them with a diagnosis helps in treating the condition. To study the clinical pattern of various movement disorders in children and to establish their etiology and outcome.

Materials and Methods:

This observational study was conducted in tertiary care hospital from January 2018 to June 2019. Children from 2 mo. to 18 years of age presenting with involuntary movements on the first Monday of every week were included in the study. History and clinical examination were carried out with a pre-designed proforma. A diagnostic workup was done, results were analyzed to find the common movement disorders and their etiology, and follow-up was analyzed for 3 years.

Results:

A total of 100 cases out of 158 with known etiology were included in the study of which 52% were females and 48% were males. The mean age at presentation was 3.15 years. The various movement disorders are dystonia-39(39%), choreoathetosis-29(29%), tremors-22(22%), gratification reaction-7(7%), and shuddering attacks-4(4%). Ballismus and myoclonus were found in 3(3%) children each. Tics, stereotypes, and hypokinesia were found in 2(2%) children each. A total of 113 movement disorders were found in 100 children. Etiologically, perinatal insult was the most common cause 27(27%), followed by metabolic/genetic/hereditary causes 25(25%). Infantile tremor syndrome due to Vitamin B12 deficiency-16/22(73%), was a major contributor in children with tremors. Rheumatic chorea was less in our study 5(5%). Out of the 100 study subjects, 72 cases were followed up. Out of which 26 children have completely recovered. Based on the modified Rankins score(MRS), 7 children belong to category I, 2 children belong to category II, 1 child to category III, 6 children to category IV, and 14 children to category V of MRS. A total of 16 children have died (MRS VI).

Conclusion:

Perinatal insult and Infantile tremor syndrome are more important and preventable causes. Rheumatic chorea is found to be less common. A significant number of children had more than one type of movement disorder, which warrants the need to look for varied types of movement disorders in the same child. Long-term follow-up shows complete recovery in one-fourth of children and the remaining surviving with disability.
Ectopic dorsal root ganglion in cauda equina mimicking schwannoma in a child
Authors: Murakami Nobuya , Kurogi Ai , Suzuki Satoshi O. , Akitake Naoko , Shimogawa Takafumi , Mukae Nobutaka , Yoshimoto Koji , Morioka Takato
Published: January 2023

Background:

A heterotopic dorsal root ganglion (DRG) is sometimes observed in the vicinity of dysplastic neural structures during surgery for open spinal dysraphism; however, it is rarely associated with closed spinal dysraphism. Distinguish from neoplasms by preoperative imaging study is difficult. Although the embryopathogenesis of a heterotopic DRG has been speculated to be migration disorder of neural crest cells from primary neural tube, its details remain unelucidated.

Case Description:

We report a pediatric case with an ectopic DRG in cauda equina associated with a fatty terminal filum and bifid sacrum. The DRG mimicked a schwannoma in the cauda equina on preoperative magnetic resonance imaging. Laminotomy at L3 revealed that the tumor was entangled in the nerve roots, and small parts of the tumor were resected for biopsy. Histopathologically, the tumor consisted of ganglion cells and peripheral nerve fibers. Ki-67 immunopositive cells were observed at the periphery of the ganglion cells. These findings indicate the tumor comprised DRG tissue.

Conclusion:

We report detailed neuroradiological, intraoperative and histological findings and discuss the embryopathogenesis of the ectopic DRG. One should be aware of the possibility of ectopic or heterotopic DRGs when cauda equina tumors are observed in pediatric patients with neurulation disorders.
Civilian penetrating traumatic brain injury: A 5-year single-center experience
Authors: Yousefi Omid , Azami Pouria , Borazjani Roham , Niakan Amin , Yadollahi Mahnaz , Khalili Hosseinali
Published: January 2023

Background:

The aim of this study was to report the demographics and clinical features of patients with penetrating traumatic brain injury (PTBI) during the past 5 years in Rajaee Hospital, a tertiary referral trauma center in Shiraz, southern Iran.

Methods:

We conducted a 5-year retrospective evaluation of all patients diagnosed with PTBI who were referred to Rajaee Hospital. We retrieved the following items from the hospital’s database and PACS system: patients’ demographics, on-admission Glasgow Coma Scale (GCS), presence of trauma to other organs, duration of the hospital and ICU stay, the neurosurgical interventions, any necessity of tracheostomy, duration of ventilator dependency, the entrance point of the trauma in the skull, type of assault, length of trajectory in the brain parenchyma, the number of remaining objects in the brain, the occurrence of any hemorrhagic phenomenon, the cross of the bullet from the midline or coronal suture, and the presence of the pneumocephalus.

Results:

A total of 59 patients with a mean age of 28.75 ± 9.40 had PTBI over the 5 years. The mortality rate was 8.5%. Stab wounds, shotguns, gunshots, and airguns were the cause of injury in 33 (56%), 14 (23.7%), 10 (17%), and 2 (3.4%) patients, respectively. The median initial GCS of patients was 15 (3–15). Intracranial hemorrhage was observed in 33 cases, subdural hematoma in 18 cases, intraventricular hemorrhage in eight cases, and subarachnoid hemorrhage in four cases. The mean duration of hospitalization was 10.05 ± 10.75 (ranging from 1 to 62 days). Furthermore, 43 patients experienced ICU admission with mean days of 6.5 ± 5.62 (1–23). The temporal and frontal regions were the most common entrance points, in 23 and 19 patients, respectively.

Conclusion:

The incidence of PTBI is relatively low in our center, possibly due to the prohibition of possession or using warm weapons in Iran. Further, multicenter studies with larger sample sizes are needed to determine prognostic factors associated with worse clinical outcomes after PTBI.
Pallidal deep brain stimulation in a patient with nonketotic hyperglycemic hemichorea
Authors: Jergas Hannah , Baldermann Juan C. , Wirths Jochen , Barbe Michael T. , Visser-Vandewalle Veerle , Andrade Pablo
Published: January 2023

Background:

Hyperkinetic movement disorders secondary to brain tissue damage due to hyperglycemia are a rare complication of diabetes mellitus. Nonketotic hyperglycemic hemichorea (NH-HC) is characterized by a rapid onset of involuntary movements after increased serum glucose levels.

Case Description:

We report on a case of a 62-year-old male patient with a 28-year history of Type II diabetes mellitus with NH-HC following an infect-associated exacerbation of blood glucose levels. Choreiform movements of the right upper extremity, face, and trunk persisted 6 months after onset. Due to failure of conservative treatments, we opted for unilateral deep brain stimulation of the globus pallidus internus, which led to complete cessation of symptoms within a week after initial programming. Symptom control was still satisfactory 12 months after surgery. No side-effects or surgery-associated complications were observed.

Conclusion:

Globus pallidus internus DBS is an effective and safe treatment option for hyperkinetic movement disorders secondary to brain tissue damage caused by hyperglycemia. Postoperatively, stimulation effects can be observed quickly and effects persist even after 12 months.
Priority Factors in the Disaster Mitigation Process for Vulnerable Communities: Case Study of Mount Merapi
Authors: Evi Gravitiani , Izza Mafruhah , Dwi Prasetyani , . Suryanto
Published: January 2023

Disaster vulnerability that occurs in Indonesia is closely related to geographical and geological conditions. The National Disaster Management Agency (BNPB) stated that throughout 2021, the number of natural disasters reached 3,058 events. This condition certainly needs to be addressed with disaster mitigation. One of the most active volcanoes in the world is Merapi which is located in Sleman, Boyolali and Magelang regencies. Law no. 24 of 2007 states that there are communities that are vulnerable to disasters, namely children, the elderly, women and people with disabilities who need mitigation both before, during and after the eruption. This study aims to analyze the priority factors in the disaster mitigation process. The research method uses a sequential mixed method with a quantitative analytical hierarchy process (AHP) analysis tool. The results showed that there were 3 main factors, namely 1) institutional, 2) external and 3) internal in order. Each of them is reduced to a derivative factor of assistance local government, the character of local leaders and geographic actors. External factors consist of disaster mitigation literacy, infrastructure preparation, early warning system and community preparation. Meanwhile, internal factors consist of education, regional potential, social capital and sense of belonging.