bluuebunny/crossref_metadata_2025_split huggingface dataset:
Thermal degradation kinetic study of Pangasius fish oil
Authors: Purnamayati L , Kurniasih R A 
Published: September 2020

Abstract
Pangasius fish oil is rich in unsaturated fatty acids that are beneficial for health. However, unsaturated fatty acids are easy degraded due to temperatures and oxidation. This study aimed to determine the changes in the quality of pangasius fish oil during heating and the result of oxidation value based on activation energy. Pangasius fish oil was heated at three different temperatures which were 70°C, 80°C, and 90°C for 15, 30, 45, 60, and 75 min. The observation includes peroxide value, TBA value, FFA, and fatty acid profiles. The results showed that higher temperatures and prolonged heating increased the peroxide value, TBA value, and FFA. The rate of quality degradation in pangasius fish oil proved by each activation energy of PV 111.433 kJ/mol, TBA 7.368 kJ/mol, and FFA 83.971 kJ/mol and unsaturated fatty acid, especially linolenic acid decreased. It showed that the oxidation during heating reduced the quality of pangasius fish oil.
The characteristics of nanocalcium flavor powder made from waste stewed water of swimming crab Portunus pelagicus L.
Authors: Wijayanti I , Dewi E N 
Published: September 2020

Abstract
The waste stewed water of swimming crab contains volatile compounds, proteins, and minerals, therefore it has the potential to be a food flavor as well as a food additive. Flavor with addition of nanocalcium powder is limited availability and a good sources as the calcium enhancer flavor. This study aimed to determine the effect of adding nanocalcium from tilapia bones and maltodextrin combinations on crab flavor powder’s characteristics. The filler materials used 15% combination which were nanocalcium and maltodextrin as follow 0% nanocalcium and maltodextrin 15% (A); 1.5% nanocalcium and maltodextrin 13.5% (B); 3% nanocalcium and maltodextrin 12% (C); 4.5% nanocalcium and maltodextrin 10.5% (D). The test parameters that were used such as solubility, yield, moisture content, protein content, glutamic acid, calcium content, particle size analyzer, and hedonic scale. The results showed that treatment of different filler combinations had a significant effect on solubility, water content, protein content, Aw, glutamic acid and calcium levels (P <0.05). The best treatment showed in combination of 3% nanocalcium and 12% maltodextrin (C), having the highest solubility of 98.27%; low water content (11.46%); the lowest Aw (5,21); 7.2% protein content and 23.45% yield with hedonic value of 7.08 indicating that panelists preferred that product.
Drying process characteristics of dried anchovy (Stolephorus sp.) by using cabinet and tunnel of sun dryer
Authors: Sormin R B D , Savitri I K E 
Published: September 2020

Abstract
Many traditional ways of preserving fish have been carried out to reduce fish water content, so that it cannot provide an opportunity of bacteria (microbes) to live and develop, eventually maintain the shelf life of fish. The study was conducted in the Village of Saliong, Subdistrict of Namlea, District of Buru, Province of Maluku, Indonesia, where the community drained their anchovy on the karoro net along the roadside. The most problem faced by the fishermen is the fish sanitation, hygiene and the rain fall. In order to produce the dried anchovy with good quality, this research was aimed to study the characteristics of dried anchovy (Stoleporus sp) by application of the cabinet and tunnel type of sun drier. The parameters observed including: organoleptics (appearance, smells and texture), proximate (water, protein, fat and ash content) and the presence of bacteria (total plate count/TPC). The results showed that there were differences in characteristics between the use of cabinet and tunnel dryers. The characteristics of dried anchovy provided by using cabinet dryer indicated that organoleptic such as appearance, smells, and texture were 7.83, 8 and 8 respectively; proximate that is moisture content, protein content, fat content and ash content were 17.51%, 67.25%, 3.66% and 11.56% respectively; and TPC value was 6.05 x 101CFU/ml. On the other hand, the characteristics of dried anchovy by using tunnel dryer showed that organoleptic namely appearance, smells, and texture were 8.56, 8.30 and 8.46 respectively; proximate namely moisture content, protein content, fat content and ash content were 18.19%, 66.3%, 3.69% and 11.8% respectively; and TPC value was 4.1 x 101CFU/ml. Finally, it seems that the tunnel dryer was better than cabinet drier for dried anchovy.
The classification of upwelling indicators base on sea surface temperature, chlorophyll-a and upwelling index, the case study in Southern Java to Timor Waters
Authors: Kunarso  , Hadi Safwan , Sari Ningsih Nining , Baskoro Mulyono. S. , Wirasatriya Anindya , Kuswardani Anastasia R. T. D. 
Published: September 2020

Abstract
The Understanding of the existence of upwelling, which concerning location, onset and ending, top temporally, strength, extent area are very important for the management of marine waters, especially fishing and conservation. A method is needed to identify the area of upwelling base on its indicators. The one method that is needed is to classify the upwelling indicator. The aim of the research is fist studying the method classification of upwelling criteria base on SST, chlorophyll-a and upwelling index. Second, apply classification of upwelling criteria for mapping upwelling area on four case climate variability and third examine the effect of ENSO and IOD on the variability of the upwelling area. The research result, based on SST, chlorophyll-a and upwelling index in the Indian Ocean south of Java to Timor with statistical methods, have successfully divided upwelling criteria into 4: weak upwelling, medium upwelling, strong upwelling and very strong upwelling. Based on the upwelling criteria, we can apply mapping the location of upwelling, to determine the spatial distribution and extent of upwelling in Indian Ocean waters southern of Java to Timor. Two indicators of upwelling SST and chlorophyll-a are more accurate in the application if be used together. The variability of ENSO and IOD significantly effected growing and reducing the range of upwelling indicator (SST, chlorophyll-a and upwelling index), but the IOD index much greater effecting than ENSO index (SOI).
The potential stocks and carbon uptake by seagrass meadows at Pari Island, Kepulauan Seribu, Indonesia
Authors: Amanda Citra Febi , Suryanti Suryanti , Rudolf Muskananfola Max 
Published: September 2020

Abstract
The development of human civilization during the last century has increased carbon dioxide content in nature that will contribute to global climate change. However, ocean water will reduce this increase by absorbing CO2. The increasing CO2 content in the ocean could decrease pH and carbonate ion, which will have negative impacts on the life of marine organisms, food production and human life. Seagrass meadows through photosynthetic processes could absorb CO2 and store carbon in large amounts for an extended period. This process could be the strategic way of resolving global climate change. The purpose of this research was to identify the species of seagrass, quantify the density and coverage of seagrass, and calculate biomass and carbon stock in seagrass meadows at Pari Island, Kepulauan Seribu. The research was carried out in February 2019. This research used quantitative field observation with the purposive sampling method. Samples were collected from 3 locations with nine stations. The obtained samples were analyzed at the Laboratory of Faculty of Fisheries and Marine Science, Diponegoro University. Carbon and sediment samples were analyzed using Loss in the Ignition (LOI) method. The results showed that there are three species of seagrass in Pari Island, i.e. Enhalus acoroides, Thalassia hemprichii, and Cymodocea rotundata. Total density value was 129.19 individual m−2 and total coverage value was 62.59%. Total stock potential of carbon value in Pari Island was 87.80 ton per ha with total area of seagrass meadows of 3.48 ha. Silty-sands mainly dominated sediment textures. It can be concluded that seagrass meadows are potential habitats to control CO2 concentration in coastal waters and to hold the rate of climate change.
In vitro antibacterial study and spectral analysis of brown seaweed Sargassum crassifolium extract from Karimunjawa Islands, Jepara
Authors: Ari Setyati Wilis , Pramesti Rini , Susanto A.B. , Chrisna A.S. , Zainuddin Muhammad 
Published: September 2020

Abstract

Staphylococcus aureus and Pseudomonas aeruginosa are opportunistic pathogenic bacteria that are the main causes of nosocomial infections. These bacteria can infect almost every tissue of the body and there were 15% cases of infection in hospitals. Urinary tract infections, even sepsis, where the death rate reaches 50%. Inappropriate use of antibiotics raises resistance. About 10% of bacterial isolates are generally expressed as S. aureus and P. aeruginosa Multidrug Resistant (MDR). Sargassum brown seaweed has many potential antimicrobial compounds. This research aims to screen the antibacterial active compounds of Sargassum crassifolium seaweed against S. aureus and P. aeruginosa MDR bacteria. S. crassifolium collected from waters of Karimunjawa Islands, Jepara. The research was conducted by laboratory experimental methods. Sample was extracted with diethyl ether, methanol, ethanol and chloroform. The MIC value is done by measuring the diameter of the inhibitory zone in the antibacterial activity test of the agar diffusion method. Furthermore, extracts at MIC concentrations were tested for the antibacterial activity of the diluted method by measuring bacterial OD by spectrophotometric methods. The extract with the best antibacterial activity was performed spectral analysis by GC-MS method. The results showed that the different extracts had different MIC values (p <0.05). Extracts with high antibacterial activity are extracts from diethyl ether solvent. The extract has a MICP value of P. aeruginosa 12.7 mg/ml and S. aureus 8.4 mg/ml. P. aeruginosa has exponential growth at 12 hours and death at 44 hours. While exponential S. aureus was at 16 hours and death at 36 hours. Spectral analysis of S. crassifolium extract of diethyl ether solvent showed the composition of the presence of eicosane compounds (16.22% ), dotriacontane (11.27%), nanocosane (11.09%), dicosane (9.85%), 10.13-octadeadienoic acid (9.52%). 2-butyloctanol (6.33%), pentatriacontane (5.4%), tritriacontane (5.07%), tricosane (1.6%)
Multidrug-resistant antibacterial activity and active compound analysis several types of seaweed from Karimunjawa, Jepara
Authors: Susanto A.B. , Ari Setyati Wilis , Pramesti Rini , Pringgenies Delianis , Zainuddin Muhammad 
Published: September 2020

AbstractPathogenic bacteria that recently infect humans have been undergone an evolution. The evolution of treatment measures is not in accordance with the dose. Several cases in hospitals have found multi-type bacterial drug resistance. These cases affected much death of the patient. Therefore, this study explores the seaweed from the Karimunjawa Islands, Jepara as the potential sources of new antibacterial active compounds. The study is conducted in the laboratory and used the experimental design of sampling, extraction, resistance test, antibacterial extract test, and analysis of extract active compounds. There are three types of seaweed sampled:S. crassifolium, Padina australisandDictyota dichotoma.Each extraction is carried out with diethyl ether, methanol, ethanol and chloroform solvents. This study used pathogenic bacterial isolates:Pseudomonas aeruginosa, Staphylococcus epidermidis, Staphylococcus aureusandEscherichia coliwhich are tested with 13 antibiotics. The resistance test showed the value of multiple antibiotic resistance index (mar) of 0.84; 0.76; 0.48 and 0.34. Antibiotics with a high percentage resistance value (100%) are from groups of lipopeptides (colistine sulfate) and (3-lactams groups (ampicillin). The seaweeds extract tested for antibacterial activity at different concentrations. The results showed that different types and concentrations of extracts had different antibacterial activity values (p <0.05). The extract with high antibacterial activity is an extract from seaweedS crassifoliumwith methanol solvent. The extract contained phenol 12 mg/g, flavonoid 1.6%, tannin 0.63%, fucoxanthin 0.59 mg/g, carotenoid 165.9 g/g, chlorophyll-a 0.92 mg/g and chlorophyll-b 0.28 mg/g.
Exploration of bacteria associated with Nudibranchs to control Vibrio spp.
Authors: Sarjito  , Prayitno S B , Farisa M Y , Nast R T C , Kristiana R , Sabdaningsih A , Sabdono A 
Published: September 2020

Abstract
Shrimp culture process of Litopenaeus vannamei could not be separated from the disease threats. Vibriosis is the main cause of a decrease in aquaculture production. Vibrio harveyi is a pathogenic bacteria that can caused high mortality and Vibro parahaemolyticus can also cause massive financial losses in shrimp culture. The use of antibiotics to control vibriosis, however, has a negative impact. For example, it resulted in the shrimp resistance to pathogenic bacteria. The potential of bacteria that are symbiotic with nudibranchs as anti Vibrio spp. has not been reported yet. The aim of this experiment was to examine the presence of bacterial symbiont in a nudibranch to inhibit or stop the growth of V. harveyi. Antibacterial activity test was done by the overlay method. The tested pathogenic bacteria were used V. harveyi and V. parahaemolyticus. Then the active bacteria were identified by morphological and molecular using 16S rRNA gene sequence. Isolation of bacterial symbiont in Nudibranch revealed 144 isolates. From those isolates only one isolate (SM-N-3(2)/7) was identified as having the ability against V.harveyi and V. parahaemolyticus. The isolate was gram negative rod bacteria. Based in molecular identification using 16S rRNA it was closely related to Pseudoalteromonas piscicida strain NBRC (99%).
Engineering culture using natural filter differences based on microsatelite to improve the quality of Snakehead (Channa striata)
Authors: Samidjan Istiyanto , Rachmawati Diana 
Published: September 2020

Abstract
The aim of the study was to examine various biological filters for hyacinth, hydrilla, apu apu and azzola media based microsatellite analysis of quality snakeheads (C striata) production. The research was carried out at the integrated laboratory of Diponegoro University in January to April 2019. The snakeheads used was size 4.83 ± 0.02 cm long of body and weighed 5.47 ± 0.12 g / fish, using artificial feed 35% protein content is given 3% perbiomas per day. The design used CRD 4 treatments and 3 replications were T1 (hyacinth), T2 (Hydrilla), T3 (apu apu), and T4 (Azzola) treatments, then for determining the quality the microsatellite genetic marker IS-GB1F 5-CCC TGT ATT TCA TTT CTC CA -3 and IS-GB 1 R 5-ACC ACT AAC GCA ATC TCT CT-3, for measuring genetic variation, polymorphic, number allel. Data analysis used minitab version 11. The results showed that the best treatment was T3 with survival rate 96.67 ± 1.92%, absolute weight growth of 14.60 ± 2.41g, SGR 2.61 ± 0.22% / day. The quality of snakehead using microsatellite was T3(band10-12, 13-16) on the best quality of snakeheads fish on T3 (204 bps allel ladder with 215 bps.
Persistence of high sea surface temperature (> 30°C) in Tomini Bay
Authors: Da Cruz Tita Aprilia , Wirasatriya Anindya , Sugianto Denny N , Maslukah Lilik , Handoyo Gentur , Hariyadi  , Helmi Muhammad , Avianto Praditya 
Published: September 2020

AbstractHot Event is a phenomenon with high sea surface temperature > 30°C, which can influence the global climate. Tomini Bay which is categorized as the semi-enclosed waters have the daily appearance of SST >30°C. The purpose of this research is to investigate and determine the mechanism for the occurrence of high and constant SST (>30°C) in Tomini Bay. We found that the phenomenon of constant high SST (> 30°C) in Tomini Bay is influenced by the weak wind speed by less than 4 m/s. The existence of Sulawesi topography and the Togian Islands block the incoming wind and reduce the wind speed. Moreover, the percentage of SST (>30°C) in the middle of Tomini Bay higher than in the western area of Tomini Bay. This might be influenced by the shallow bathymetry in the middle of the Tomini Bay which increases the effectiveness of the heating process in this area.
Retraction: Energy Balance in a Greenhouse: Temperature and Humidity Monitoring (IOP Conf. Series: Materials Science and Engineering
872 012031)
Authors: Viloria Amelec , Rosania Altahona Tiana Alexandra , Pineda Lezama Omar Bonerge 
Published: September 2020

Published 15 September 2020
This article, and others within this volume, has been retracted by IOP Publishing following clear evidence of plagiarism and citation manipulation.
This work was originally published in Spanish (1) and has been translated and published without permission or acknowledgement to the original authors. IOP Publishing Limited has discovered other papers within this volume that have been subjected to the same treatment. This is scientific misconduct.
Misconduct investigations are ongoing at the author’s institutions. IOP Publishing Limited will update this notice if required once those investigations have concluded.
IOP Publishing Limited request any citations to this article be redirected to the original work (1).
Anyone with any information regarding these papers is requested to contact conferenceseries@ioppublishing.org.
Retraction: Energy potential of vinasse derived from rum manufacturing (IOP Conf. Series: Materials Science and Engineering
872 012032)
Authors: Vásquez Stanescu Carmen Luisa , Carrillo Kevin , Espinoza Betzabeth , Rizzo Aniello , Fajardo Carla , Ramírez-Pisco Rodrigo , Viloria Amelec 
Published: September 2020

Published 15 September 2020

This retraction notice was removed on 25 Sep 2020. IOP Publishing apologises for this error. See Publisher's Note.

This article, and others within this volume, has been retracted by IOP Publishing following clear evidence of plagiarism and citation manipulation.
This work was originally published in Spanish (1) and has been translated and published without permission or acknowledgement to the original authors. IOP Publishing Limited has discovered other papers within this volume that have been subjected to the same treatment. This is scientific misconduct.
Misconduct investigations are ongoing at the author’s institutions. IOP Publishing Limited will update this notice if required once those investigations have concluded.
IOP Publishing Limited request any citations to this article be redirected to the original work (1).
Anyone with any information regarding these papers is requested to contact conferenceseries@ioppublishing.org.
Commissioning of a laboratory setup for studying the effects of ultraviolet and ozone on multifractional, unsorted production and consumption wastes
Authors: Abdullin T M , Gilmanshin I R 
Published: September 2020

Abstract
The article describes the process of commissioning carried out during the testing of the designed and manufactured laboratory installation for studying the effects of ultraviolet radiation and ozone on unsorted fractions of production and consumption waste, including medical waste. A detailed description of the installation is made, the characteristics of the elements of a power electric drive, metrological strapping and automation are given.
Design of a laboratory installation for studying the effects of ultraviolet radiation and ozonation on organic compositions, unsorted municipal and medical waste
Authors: Abdullin T M , Gilmanshin I R 
Published: September 2020

Abstract
The article presents the design process of a laboratory setup for studying the ultraviolet effect and ozonation on multifractional unsorted production and consumption wastes, including medical ones. The tasks, structural and functional diagram of the installation are formulated. The requirements for the constituent elements are defined. The process of designing and selecting components is described..
Alternative model of project management at the stages of R&D
Authors: Antonov A V , Puryaev A S 
Published: September 2020

Abstract
The purpose of the work is to cover the practical application of innovative project management mechanisms using the principles of Target costing in the field of engineering. The approaches and requirements for the application of tools in practice are identified. Mechanisms for applying approaches based on the Target Costing concept in the development and updating of the technical and economic model are proposed.
Simulation of heat flows in a combined process of plasma spraying and coat hardening
Authors: Kadyrmetov A M , Sharifullin S N , Snyatkov E V , Plahotin A A , Mandrykin I A , Romanov V V 
Published: September 2020

Abstract
The simulation technique of heat distribution in a detail for applying plasma coating in combination with electro-mechanical treatment and cooling by water jet is worked out. It is shown that water cooling substantially decreases the workpiece surface temperature and provides the formation of more rugged coat by reducing of internal stresses in it.
Study of the influence of hydroabrasive surface cleaning on a laser cutting
Authors: Gabdrakhmanov Az T , Israphilov I H , Shafigullin L N , Gabdrakhmanova T F 
Published: September 2020

Abstract
The example of laser cutting of 1.0038 steel shows the features of waterjet (EPS) cleaning. The influence of laser cutting parameters on ensuring the necessary quality and properties of steel is considered.
Research of properties of polymer compositions based on aluminosilicate microspheres
Authors: Gabdrakhmanov Az T , Galiakbarov AT , Karasev I Y , Gabdrakhmanova T F 
Published: September 2020

Abstract
The paper presents the results of studies of polymer compositions based on aluminosilicate microspheres. Polyester resin Yarkopol-20 and epoxy glue ED-20, as well as grades of aluminosilicate microspheres K 500 and K150 were chosen as the binder of aluminosilicate microspheres. The obtained thermal conductivity coefficients are comparable with the thermal conductivity coefficients of materials such as fiber asbestos, wood, expanded clay concrete, etc.
Digital educational environment: training future teachers to design additional education
Authors: Gilmanshina S I , Minnakhmetova V A , Gilmanshin I R , Galeeva A I , Abyzbekova G M 
Published: September 2020

Abstract
The concepts of further education - care and development are considered. Additional general educational programs are justified taking into account age and individual characteristics of children, adolescents and youth. The possibilities of a digital educational environment for teaching future teachers to design additional chemical education in primary and secondary schools are considered.
Using digital agricultural production based on navigation and information systems
Authors: Kashapov N F , Nafikov M M , Nafikov M M , Nigmatzyanov A R , Makarova O I , Medvedev V V , Chernov V A , Nigmatullin M D 
Published: September 2020

Abstract
Due to the peculiarities of the agro-industrial complex of the Russian Federation, the digitalization of agriculture has a number of significant features. At its core, these technologies are innovative, one of the most important functions of which is intellectual. There is a need to clarify the concepts of’transfer of enterprises of all forms of ownership of agroindustrial complex to the figure”: is the process of determining the feasibility of implementation of digitalization and robotics, the purchase of innovative technologies in agribusiness companies, adaptation of the technology and production system, operation and determination of the effectiveness of its use in a specific production, taking into account soil-climatic conditions in the area of implementation.