Advances in Biological Sciences Research

Data on the number of palm oil tree plantations on cultivated land is essential in a company's cultivation activities. Limitations of collecting data number of palm oil trees using the terrestrial method are the effectiveness of times, in terms of costs, and coverage area. Utilization of remote...

The cardiac SPECT is a good study because of the large clinical demand and the need for improved image quality. SPECT imaging usually suffers from poor spatial resolution and high statistical noise due to patient radiation safety concerns. Scientists proposed some high count sensitivity cardiac SPECT...

Initial detection of body temperature with infrared technology is currently only used for diagnosis of an infectious disease, but has not been used as a parameter to prevent disease transmission, resulting in an increase in the rate of disease transmission. The use of a device to measure the increase...

The aim of this study was to compare between the crossbred and local chicken population based on its egg production performance. The animals used was 104 crossbred hen (F1 offspring of Merawang rooster x KUB hen) and 57 KUB hen (D = 33 hen, E = 24 hen). The F1 crossbred differentiated into four types:...

Management of wildlife in captivity that must be considered is the use of feed additives and prevention of diseases caused by endoparasites. The digestive tract is one of the organs that are susceptible to helminthiasis. This study was aimed to determine the prevalence of endoparasite infection in Timor...

One of the most important crop commodities in Indonesia is peanut. Ipeanutse peanut production can be done in various ways, including plant breeding, and improving land quality through organic fertilization. The effect of the use of biofertilizer combined with sludge on crop productivity of peanuts,...

The agriculture sector is one of the sectors that showed a positive trend during the Pandemic Covid-19 in Indonesia. This positive trend is partly contributed by an increase in horticultural products such as fruits and vegetables during the period. Vegetables are considered a highly-valued commodity...

Rejang Lebong district is one of the palm sugar producers in Bengkulu Province. The sugar palm (Arenga piñata) household Industry has been establishing for a long time ago. The household industry plays an important role in society’s welfare. The aim of the study was to identify the farmer characteristic...

Indonesia is one of the largest palm oil-producing countries. The industrial management system in oil palm plantations is essential to realize the company's goals. On the other hand, many oil palm plantations in Indonesia still apply conventional data management. The deficiencies have an impact...

(Aim) Current cerebral microbleed detection methods are too complicated, and difficult to train. (Method) We enrolled 10 subjects diagnosed as cerebral microbleed.Our method combined wavelet entropy and naive Bayes classifier. (Results) The simulation results over 10 times of 10-fold cross validation...

Cellulase can be produced by a microorganism, such as fungi. The cellulolytic microorganism used in this study was Paecilomyces lilacinus ICP1. P. lilacinus ICP1 is one of the indigenous fungi from coffee pulp that has been known to produce cellulose. Coffee pulp is expected to be able to replace the...

Hypercholesterolemia is an excessive level of blood cholesterol condition. Fat and high cholesterol overconsumption cause atherosclerosis, coronary heart diseases, and liver diseases e.g. fatty liver and non-alcoholic steatohepatitis (NASH). One ingredient that can be used to prevent hypercholesterolemia...

Phalaenopsis amabilis (L.) Blume, as one of the charms of Indonesia, this orchid is very popular with the public because of the beauty of its flower shape and the long duration of flowering. In plant, the flowering period begins when the vegetative stage switched to reproductive stage. Some genes play...

To maintain the viability of bacteria during the development and utilization process, it is necessary to rejuvenate the bacteria through a subculture process. It is interesting to know whether the activity of the antibiotic compounds and the genetic stability of Andalas endophytic bacteria will remain...

Yellow root plant (Arcangelisia flava (L.) Merr) is one of the plants widely used as a medicinal plant. Yellow root plant stems have secondary metabolites of the Alkaloid groups that have the potential as antibacterial. Antibacterials can be produced by microorganisms such as endophyte bacteria. So far,...

High conservation value (HCV) helps stakeholders conduct sustainable forest management by considering social and environmental aspects. It requires a high level of protection to ensure the high conservation value of an area persists in the long term. Mount Ungaran is one of the essential areas in Central...

Kerinci Seblat National Park (KSNP) as a conservation area posses a strategic role as a source of medicinal plants. This research on the potential of medicinal plants as one of Non-Timber Forest Products (NTFPs) in the MADAPI Forest in Rejang Lebong Region of KNSP, in Bengkulu Province, aimed to determine...

It has been demonstrated that sleep has a great relationship with humans' health and activities. Sleep staging is an important method to analysis sleep. Lots of methods have been adopted for automatic sleep staging. Some of the results are good and some of them are poor. For the poor, the sleep spindle...

Sweet potato is one of the typical foods of the Indonesian people. In addition to its sweet taste, nutritional value, sweet potatoes are foods that are easy to process so they have the potential to increase added value through processed products. This study aims to analyze the interest of farmers and...

Coffee pulp waste contains 25.9–33.0% hemicellulose. Hemicellulolytic bacteria possess the ability to depolymerize hemicellulose by producing hemicellulase enzymes. The objective of the research is to isolate and identify the hemicellulolytic bacteria from Indonesian coffee pulp waste. Hemicellulolytic...

The presence of e-commerce accompanied by online shopping trends has excellent potential to move and drive the economy of micro, small and medium enterprises (MSMEs). Digital marketing utilises electronic media to promote products or services to attract customers' attention and allow customers to...

Clove is known to have high antioxidant and antivirulence activity. The antioxidant activity of clove extract presumably correlates with the extension of cellular life span (antiaging activity). Crude extract of clove leaves has been reported to prolong the life span of yeast cells, however lack of information...

Polyphagous lepidopterans like Spodoptera exigua (Hübner) and S. litura (F.) (Lepidoptera: Noctuidae) are well-known economic importance insect pests that defoliate a variety of economically important crops. Currently, the most widely used control for both is the use of insecticides. Applying large amounts...

One of the parameters of drinking water quality is not contaminated by coliform bacteria such as Salmonella sp. This bacteria can infect humans through oral routes causing infection of the gastrointestinal tract (Salmonellosis). Generally, analysis testing of coliform bacteria in water can be done using...

Beam former, as a class of Magnetoencephalography (MEG) source imaging methods, is widely used. However, it has difficulty in locating weak electromagnetic sources within brain. To solve this problem, this paper attempts to develop a method for MEG weak Source Imaging. Firstly classical beam former is...

Managing environmental risks of any mining activities is critical factor during mining operation, mine closure and post closure periods. Mine closure can be temporarily or permanently. Uncertainty associated with the post closure phase of mining lease, it is crucial to adopt sound management practices...

This country has a big responsibility to the National food fulfillment. Food Estate is a big step taken by the Government to maintain the sustainability of food security in the country as well as a certain step to anticipate the occurrence of a food crisis especially in horticulture sector. Shallot is...

Some plants developed variegated pattern on their leaves, where the leaves color separated to green part that indicate normal chloroplasts and white part that indicates abnormal chloroplast. Dendrobium ‘Burana Green’ is a hybrid orchid that has variegated phenotype on its leaves, where the middle part...

The current global trend leads to a healthy lifestyle related to environmentally friendly and green product consumption. Pigmented rice is one of the most popular healthy food choices for consumption by Indonesian consumers. Information regarding green consumer behavior in the pigmented rice market must...

Objective: To explore the effects of jinjiang granules on immunologic function and to provide evidence for jinjiang granules as the application of clinical medicine in the initial stage of cold, through the observation of the effects of jinjiang granules on immunologic function of low immune mouse model...

Sustainable development concerns on saving energy and the environmental friendly reservation and to serve healthy and safety food. The history of agricultural production using chemical fertilizers, pesticides and other synthetic chemicals for crop and animal production is to increase yield become harzardous...

Endophytic bacteria are bacteria that live in plant tissue without causing disease in their host. In general, endophytic bacteria enter through stomata or wounds in plants by producing cellulase enzymes to degrade cellulose in plant cell walls that contain cellulose, one of which is yellow root (Arcangelisia...

Breast cancer is most common cancer diagnosed in women. The urgency of developing effective therapeutic approaches is needed, both passive and active immunotherapy using vaccines. Immunoinformatics approach for epitope prediction of cancer proteins is one of promising approach in peptide vaccine development....

Red spinach (Alternanthera amoena Voss.) is a plant with high nutritional value and contains anthocyanin compounds that act as antioxidant compounds to prevent the formation of free radicals in the body, besides that anthocyanin can also treat anemia. The increase in demand for red spinach in the market...

Food safety is an important point in consuming food, in order to produce good health for the community. But lately there were many foods circulating in the community that are no longer guaranteed to be safe, namely the existence of counterfeiting and mixing beef with other meats such as rat meat. Rat...

The use of a push system planting tool to plant corn seeds requires a lot of energy because workers act as controllers, so it often creates a physical and mental workload. Workloads that are too heavy and exceed work capacity can cause fatigue. This fatigue will eventually cause pain. Therefore, the...

Rice bran is the result of the process of milling rice plants into rice, but rice bran has not been utilized properly in the Sidrap area. Feeding with the addition of fermented rice bran using Lactobacillus sp. is expected to increase the use of feed in tilapia aquaculture. This research aims to realize...

Non-alcoholic fatty liver disease (NAFLD) is often encountered in the field of hepatology. The disease has a broad spectrum ranging from non-inflammatory fat-accumulating macrovesicles (simple steatosis) and develops to fibrous and cirrhosis. The rate of NAFLD is 15-30% in western countries and around...

Potato is one of the major horticulture crop in Indonesia, but potato productivity in Indonesia is still relatively low compared to several European countries such as Belgium and Netherlands. One of the major problem was the availability of Generation 4 tuber as potato extension seed, which then forced...

Response surface methodology (RSM) was used to optimize a protective agent for enhancing the cell viability of Staphylococcus aureus during freeze-drying. Using a previous Plackett-Burman design, it was found that sodium glutamate, trehalose, L-cysteine hydrochloride and bovine serum albumin were the...

The study of economic factors affecting sustainability of rice farming was conducted from January to September 2018 in Siak Regency. This study aimed to identify economic factors that affect the sustainability of rice farming in Siak Regency. The number of respondents in this study was 203 farmers, determined...

The design of the primers affects the PCR's specificity. A mitochondrial gene called Cyt-b is frequently used in PCR to detect the presence of pork, but because the sequence is nearly identical to that of bovine Cyt-b, false positive results frequently occur in lab tests. Therefore, the purpose...

The objective of this research was to determine the effect of pellet with a combination leave tannin source from Acacia mangium Willd, Swietenia mahagoni, dan Artocarpus heterophyllus in pellets on in vitro nutrient digestibility. This research used three substrate tratments with different tannin levels...

Cordyline fruticosa, also known to Indonesians as andong, is one of the simplest plants to grow. This plant is commonly used as an ornamental plant in yards, gardens, cemeteries, as well as a road barrier. Although it is primarily grown for ornamental purposes, the leaves of this plant empirically have...

Pseudomonas flourescens and Bacillus subtilis are common antagonistic bacteria to various pathogens. These bacteria can produce various antimicrobial substances such as chitinase, siderophore, and antibiotic. This research aims to obtain the optimum dilution concentrations of Pseudomonas flourescens...

Indonesia is well known for its high freshwater fish diversity. Wader pari (Rasbora lateristriata) is one of the endemic fish, which is very popular, but experienced massive exploitation in wild, due to high market demand. High demand and high economic value of this fish in the market induced a massive...

Mango (Mangifera indica L.) is a climacteric fruit category horticultural commodity, namely fruit that is able to continue the ripening process after being harvested, has a respiration rate, and high ethylene production so that mango is a fruit that is easily damaged and the marketing distance is limited....

Biodiesel is an alternative energy that can be sourced from oleaginous microbes to form of single-cell oil. BR 2.2 isolate is classified as oleaginous organisms because of their ability to accumulate lipids for 28.44% of the total dry biomass. The speed of agitation in the lipid production process is...

This paper proposes a liver vessel segmentation algorithm based on fuzzy enhancement and Hessian matrix. First, a method with two steps based on the theory of fuzzy enhancement is proposed to enhance the liver image. The first enhancement step is to make the local changes in the image more obvious on...

Akar kaik-kaik (Uncaria cordata) or known as hook vine is one of the medicinal plants whose leaves are used in traditional medicine as an antidiabetic by the people of Riau. Other than that, this plant also has potential as an antimicrobial agent due to the dominant of alkaloid content possessed by members...

Entrepreneurs engaged in the MSME sector have a strategic role in economic growth in Indonesia. During the Covid-19 pandemic, the blue economy sector including MSMEs engaged in digitalization strategies, given the limited face-to-face interactions. Henceforth a plethora of research on MSME digitalization...

The operational risk of cattle fattening company business runs from the selection of seeds to marketing the cattle ready for sale. These risks, if not properly handled, could result in the potential losses that can interfere with operational activities or even threaten the survival of the company business....

Study aims to determine the influence of internal factors (age, level of education, motivation) and external factor (family support) on the participation of Condongraos Business Group’s members in a development business of processing Ceriping Puyur. This study held on November 2020 to July 2021 in Ngaditirto...

Aerides odorata is a species that belongs to the Orchidaceae family and lives as epiphytic orchids. This orchid is distributed across Southeast Asia, India, and China. This orchid occupies one type of habitat. Morphological characters of flowers in this species vary, depending on the habitat occupied....

Tobacco stalk is tobacco plant waste which contains about 56% cellulose so that it is possible to use it as a substrate for the production of cellulase, namely CMCase. The study conducted in several stages, namely screening the cellulolytic activity of 71 actinomycetes isolates, optimizing CMCase production...

The paper explored risk factors for uteroplacental apoplexy complicating placental abruption, the condition's clinical characteristics, and maternal and fetal outcomes.62 pregnancies of placental abruption were collected from Second Hospital Jilin University during Jan. 2007-Dec. 2012.According to uteroplacental...

Some plants can prevent seed germination and other plants’ growth by producing poisonous allelochemical ingredients. This research aimed to study the effect of basil leaves extracts on the germination characteristics of several vegetables. The experiment was conducted in factorial based on a completely...

Patchouli, also known as Pogostemon cablin Benth., is a plant that yields patchouli oil, a crucial essential oil used in the perfume industry. Stem cuttings are the conventional method of vegetative propagation for patchouli plants. Tissue culture techniques offer alternative approaches for vegetative...

Lichen is one of the organisms with a high level of biodiversity and rich of antibacterial secondary metabolites compounds. One species of lichenes found in Kepahyang Indonesia is Teloschisthes flavicans. This study aims to find out an antibacterial effectiveness of Teloschisthes flavicans extract against...

An electronic nose is a device designed to sense, classify, and recognize a product based on its aroma. The electronic nose is generally designed from four main parts, namely: sample handling and delivery system, detector system, signal conditioning and preprocessing, and pattern recognition software....

West Sumatra province has three sweet potato’s central regions, one of its is in Solok regency which is named Gunung Talang region. Farmers in this region have planted sweet potato for a long time as a secondary crop in lowland after lowland rice being harvested. Some of them planted sweet potato in...

Indonesian native fish “Wader pari” (Rasbora lateristriata) from Purworejo is one of the fish has high economic value, which is related to the community enthusiasts and high requests for the fish stock. The demand for fish availability and supply is increasing drastically, which caused fish population...

A study on the tendency (preference) of farmers in the application of the six proper principles (P6T) in the application of pesticides to conventional farming communities has been carried out in several villages in Tanjungsari Sumedang District. The research objectives were (1) to describe the level...

White oyster mushroom (Pleurotus ostreatus) is a type of fungus wood that has a high nutritional content. White oyster mushroom cultivation begins with the provision of good quality seeds which include 4 stages, namely F1 seeds, F2, F3 and baglog. This study aims to influence the composition of the green...

Traditional medicine has historically employed the West Sumatran herb Garcinia cowa Roxb, often known as asam kandis. Flavonoids are one of many phytochemicals found in the rind of asam kandis. Since the rind of G. cowa has been shown to have antioxidant action, it is frequently utilized as a medicinal...

By micro-arc oxidation technology, the TA2 titanium metal surface modification, by scanning electron microscopy (SEM) experiments, the effects of different voltage parameters on film thickness and surface microstructure were studied. The results show that as the voltage increases and the oxidation time...

An electronic nose is a device designed to sense, classify, and recognize a product based on its aroma. The electronic nose is generally designed from four main parts, namely: sample handling and delivery system, detector system, signal conditioning and preprocessing, and pattern recognition software....

Phalaenopsis amabilis (L.) Bl. is an orchid that is included in the list of endangered plant species. The Fusarium wilt disease on P. amabilivirala vital disease caused by Fusarium oxysporum, which of one constraint and up to now days is not well yet managed. Disease control that does not cause negative...

Biomass waste conversion to biogas through anaerobic digestion offers an array of benefits from disposal management, clean energy provision, and economic inclusion. Cocoa processing wastes are abundant, yet their recovery alternatives are still underexplored in Indonesia. Therefore, this study emerges...

Brebes Regency is a bancroftian filariasis endemic area. Culex quinquiefasciatus mosquito is accused as a vector transmitting bancroftian filariasis. The eradication of disease vector that has been widely performed in Indonesia relies on the use of malathion insecticide. The use of such insecticide in...

The black soybean (Glycine soya Sieb. & Zucc) is a species of legume native of East Asia, widely grown for its edible bean, which has numerous uses. Furthermore, it is used as a raw material in the soy sauce industry, and its protein and antioxidant content is preferred to yellow soybeans. This study...

Assessment of articular cartilage degeneration induced by degenerative diseases using quantitative ultrasound method is promising but challenging. Currently, in literature, proposed methods have limited diagnostic abilities, and some quantitative ultrasound cartilage evaluation results are inconsistent...

Isolation of seed-borne fungal endophytes on sengon (Falcataria Moluccana). The purpose of this study was to compare seed-borne fungal endophytes from tolerance and susceptible sengon (Falcataria mollucana Miq) sampled from Kediri, East Jawa Province, Indonesia. Seed sampled is taken from plants that...

Chili is a horticultural crop that has high economic value in Indonesia. The productivity level of chili in the country is not proportional to the level of consumption, one of the causes is malnutrition. Each plant requires different amounts of macronutrients and micronutrients to support plant growth...

“Antibiotics golden era” can end when resistant strains spread immensely. To find new anti-infective agents, we examined sea cucumber associated bacteria isolated from the intestinal part of the echinoderm Holothuria leucospilota. Partial identification using 16S rRNA gene Sanger sequencing revealed...

The development of globalization affects Indonesia, especially science and technology in the field of food biotechnology. Molecular analysis method, namely Polymerase Chain Reaction (PCR) can be used to detect the food authentication. One of the modifications developed from the conventional PCR method...

The COVID-19 crisis has had a lasting impact around the world, including Indonesia. Indonesia as an agricultural country that makes farmers has an important role in the national economy. Farmers hope in this pandemic outbreak they can still carry out farming activities as usual. The method of this research...

Indigosol dye batik effluent is toxic since it excesses contain decreasing agent sodium hydrosulfite that is oxidized to alkali and alkaline earth metal sulfate (SO42-), sulfite (SO32-), and thiosulfate (S2O32-) that very corrosive. Therefore, the role of environmental biotechnology in the technology...

Cardiovascular diseases are the leading cause of mortality over the world, which is approximately 17.9 million patients’ death in 2019 or 32% of all deaths worldwide. Atherosclerosis formation due to accumulated plaques in the tunica intima of vascular walls underlies the pathogenesis of cardiovascular...

With the different treatment intensity of electric field, we analyze the influence of electric field on infrared spectra of superoxide dismutase by using infrared spectra method. The results show that, superoxide dismutase (SOD) is treated with different electric field intensity, the absorption peak...

Urban farming adopted technological advancement in agriculture, beautify the environment as well as resilient future farming. Within household level, this paper examine endowed income through vegetable urban farming, its share to total household income and its determinants in Yogyakarta. Purposively...

This study aims to determine the level of knowledge and behavior of students on reproductive health. This research is quantitative research. The sample consisted of 30 students (XI IPA SMA). The instruments used in this study include a need assessment to find out things that have been/have not been studied....

Indonesia’s farmers face many challenges, from low productivity, pest attack, uncertainly commodities price, unscrupulous off-takers to difficulties in getting loans. One of the biggest challenges right now, however, is climate change. Speaking of weather conditions, level of weather predictions covers...

Indonesian traditional medicine has been widely used in the urban community to treat several symptoms and prevent diseases before accessing the hospital for professional help. Information is critical in modern culture, since it aids in the development of people’s health knowledge. The purpose of this...

Red dragon fruit (Hylocereus polyrhizus) is one of Indonesia's commodities widely consumed and developed nowadays. Dragon fruit or pitaya is a non-local fruit that is much favored by the public because it has efficacy, benefits, and high nutritional value. The most well-known efficacy of dragon...

The watermelon juice was pasteurized by the ultra-high temperature treatment, and stored at 4 øC for 2 weeks. The ultra-high temperature reduced the initial microbial counts of the watermelon juice. The aroma of the watermelon juice was reduced during the storage at 4 øC for 2 weeks. The typical volatiles...

Jaranan plant (Lannea coromandelica) grows massively in the buffer zone and utilization zone of Baluran National Park. This plant produces gum in branches and stems. Local people extract gum by cutting down stems as medicine for diarrhea, typhus, and eye infections treatment. The study aims to test gum...

The condition of the COVID-19 pandemic is difficult to predict when it will end. Community resilience is needed in the face of this pandemic. Indigenous women have traditional knowledge in mitigating the COVID-19 pandemic. Indigenous people believe traditional knowledge as potential resilience that can...

Online learning makes great demands, including in terms of self-regulated learning. Self-regulated learning in terms of using learning resources to find solutions to learning problems in terms of concept discovery and problem-solving of their own learning patterns. This is related to the concept of self-knowledge...

Grain security has been a significant concern over the decades since global food consumption is almost entirely grain-based, especially in developing countries. Food security can be achieved if grain security, as a prerequisite, is met. However, grain security for a country is not only a production issue...

Shallots (Allium ascalonicum L.) have been cultivated intensively in Indonesia for a long time. These horticultural crops have high potential and economic value. However, the domestic production itself is not able to meet national demands. Continuous use of chemical agents will negatively impact the...

Because of its nutritional value, banana fruit is very important for food security and the economy in many tropical and subtropical countries. However, banana is a climacteric fruit with a short shelf life, so an alternative method is needed to delay their ripening. This article aims to explain postharvest...

In order to sucessfully prepare Na-MMT-Miglitol composite, the adsorption effect factors of the different concentrations, temperature , pH and time for miglitol were investigated respectively. By means of the adsorption capacity changes of Na-MMT, the maximum adsorption capacity of Na-MMT as the experimental...

Eco-enzyme (EE) production is an alternative for reducing organic waste such as fruit peels and vegetables. EE is widely used as natural organic fertilizer, purification of contaminated groundwater, pesticides, herbicides, and natural insecticides. EE is made through a fermentation process for 3 months...

The Aedes aegypti mosquito has been known as the primary vector in the transmission of Dengue Hemorrhagic Fever (DHF). D7 protein has been reported as a protein expressed in the salivary glands of mosquito vectors that can increase the transmission of the pathogen because of its ability to immunosuppress...

Asian Citrus Pysillid (ACP), Diaphorina citri is one of the important pests in Citrus plantation. It as a vector of Candidatus liberibacter (CLs), caused Huanglongbing (HLB) diseased in citrus. Citrus is one the primary tropical fruit product in every region in Indonesia including in Java, Sumatera,...

Water spinach (Ipomoea aquatica) is a highly nutritious vegetable. The demand for these vegetables, as well as consumer awareness of the importance of eating vegetables, is increasing. The application of fertilizers has an impact on the growth of water spinach. The study aimed to determine the effect...

The micro-morphology, wettability and chemical composition of the moth wing surfaces were investigated by a scanning electron microscope (SEM), a contact angle (CA) meter and a Fourier transform infrared spectrometer (FT-IR). The micro-morphological models for hydrophobicity on the wing surface were...

Balinese have traditionally preserved plants for the ethnobotany used hereditary, such as the utilization of plants for traditional medicine and Hindu ceremonies. Most of the Tabanan people are still live in the villages traditionally. They have used plants for the traditional purpose for hundreds of...

The spatial allocation arrangement for the utilization of the eastern coastal area of the Bangka Regency, based on the Zoning Plan for Coastal Zone and Small Islands (RZWP3K) is multipurpose and multi-sector. The simultaneous use of marine space creates a trade-off for interested economic actors, which...