Advances in Biological Sciences Research

Tetragonula iridipennis is a species of bee from the Apidae family. Its honey is known as an anticancer by the local community in Samarinda, East Kalimantan, Indonesia. However, research on propolis of T. iridipennis from East Kalimantan is rarely conducted. This research was carried out to investigate...

In order to implement the high-efficiency resistance training for a specific muscle of human shoulders using the rehabilitation robots, a muscle-specific rehabilitation training method based on the optimal load orientation concept (OLOC) was proposed. A 3D mathematical musculoskeletal model of the shoulder...

The supramolecular complex formation in aqueous solution between fatty acids (with the content of α-eleostearic acid more than 70%) and β-cyclodextrin, βCD, was supported by FT-IR and UV spectroscopies as well as by XRD-analysis. RP HPLC was utilized for investigation of the content of fatty acid in...

Cassava contain a large quantity of starch, therefore it is good to be used as an energy source for poultry diet. However, cassava contain high level of insoluble fiber which are not well digested by poultry. Enzymes and diet forms are two things that must be considered for the provision of cassava-based...

The purpose of this study was to determine the effect of adding yellow sweet potato and telang flower juice on antioxidants and other nutrients in cookies. The method used was an experimental method with experiments in the laboratory. The design used was a single factor with completely randomized design...

Indonesia is a country that has high biodiversity. Deforestation in some areas causes habitat loss, damage/degradation, and fragmentation, which leads to a decline in biodiversity. A landscape-based approach is needed to address these problems. This approach seeks to facilitate multiple interests in...

Lemongrass (Cymbopogon citratus) and ginger (Zingiber officinale) are herbs that have been used to flavour food and beverages, in addition, they are also believed to possess health benefits. One of them is their ability to control blood glucose levels. Blood glucose control not only is beneficial for...

Global climate change has already seriously endangered the health and development of human, energy consumption and carbon emission control have become the social issues of common concern to all countries. This paper takes Jilin province as an example, using Tapio decoupling theory to research the decoupling...

There are still many problems that arise in the learning process, starting from the lack of teacher attention to the entry behavior of students and the lack of selection of the learning model applied by the teacher, so that it tends to be monotonous. Based on these problems, it is necessary to have an...

The utilization of traditional medicine or herbal medicine in a community is something inheritance, and it is inseparable from human lives. Support of scientific statements is necessary for comprehensive utilization. Pasak Bumi (Bitter Charm) is one of the raw material sources for traditional medicines...

Probiotic is known for its effect that could improve the health and production of poultry. This study aimed to evaluate the offals percentage of broiler chicken given different probiotics. One hundred day-old chickens of broiler were divided into 4 treatments and 5 replications based on a completely...

Robusta coffee (Coffea canephora) is one type of coffee that is widely cultivated in Indonesia. Robusta coffee is usually processed using the wet method, which causes the physical and chemical qualities of the coffee beans to change during the process. This research examined the effect of yeast addition...

Climate variability is global phenomenon that may affect water availability in water user. Long-term climate variability detection is then crucial to water resources planning and management. This study was conducted to analyze climate variability and trend evaluation over Kuningan Experimental Garden,...

At production centers, soybeans are in a rice-paddy-soybean or paddy-soybean cropping pattern, which is often at risk of crop failure due to drought. Therefore, it is necessary to develop varieties that are more tolerant to drought than existing varieties. The aim of this study was to evaluate soybean...

Guanidinoacetic acid (GAA) is the only direct precursor in creating creatine in vertebrate animals. In addition, creatine plays an active role in energy metabolism by supporting the restoration of high-energy cellular ATP concentrations, such as phosphocreatine. This study evaluated the effect of GAA...

Pollution of heavy metals (Fe and Pb) in the Mahakam River water has become an important problem. The solution for this case is water purification using natural product. There are several purification methods, one of them is the adsorption method to reduce the levels of heavy metals (Fe and Pb). The...

Curcumin, an identical compound of Curcuma longa extract, shows limited bioavailability due to its lipophilicity. Inulin of degree of polymerization (DP) of 11 is a carbohydrate member that can potentially increase aqueous solubility and dissolve lipophilic compounds. This study aimed to investigate...

This study aims to identify consumer characteristics of beef purchases and analyze the factors that influence the purchase of beef products during the pandemic in Yogyakarta, Indonesia. The research was conducted in Depok District, Sleman Yogyakarta Regency, with the consideration that the distribution...

A machine learning model is an essential tool for deciding which crops to produce and what to do during those crops’ growing seasons. The employment of various machine learning algorithms in research to forecast higher crop output has considerably benefited the agriculture sector. In this study, an appropriate...

For human beings, the morphological features of cells are closely related to human health thus research into the technique of cell imaging is very important. The optical phase imaging technique is one of the most useful methods because the cell is a phase object. More than one phase images should be...

A diffusive predator-prey model with modified Leslie-Gower and Holling type IV schemes is investigated analytically and numerically. Mathematical theoretical works mainly focus on the existence of traveling wave solutions. Numerical simulations are performed to confirm the feasibility of traveling wave...

Buttermilk is a by-product obtained during butter preparation, has a nutritional composition similar to skimmed milk but with an increased proportion of phospholipids. Phospholipids was proved to have functional properties. Buttermilk is produced in large amounts due the preparation of butter and could...

This study aims to describe the increase in activities and student learning outcomes with the implementation of KWL (Know-Want-Learned) strategy through the campus active bowling models. This classroom action research was conducted in two cycles. Each cycle consists of 4 stages, namely planning, action,...

The research aimed to obtain the best combination of NPK fertilizer dose and foliar application frequency for increasing the yield of citrus. The research was conducted from June 2019 to April 2020 at the Ex-farm belongs to Faculty of Agriculture, Jenderal Soedirman University. The research used Randomized...

Cellulolytic bacteria are bacteria that can hydrolyze cellulose into smaller polysaccharides glucose units. Glucose is used as a source of energy and carbon for bacterial growth. This study aimed to determine the ability of isolates bacteria from feces of beef cattle and coal (bituminous, sub-bituminous,...

The purpose of this study was to examine the chemical compositions of the Trembesi (Samanea saman) plant so that its potential as ruminant feed could be found. This research is a descriptive study, The materials used in this study are young leaves, old leaves, young petioles, old petioles, fruit, seeds,...

The total water consumption in China increased year by year since 2003.To forecast total water demand in advance is practically important for water supply planning. The paper first made impacting factors analysis of the total water demand in China. Then established three models for the total water demand...

Sponges are the subject of interesting antibiotic development studies because the sponges form associations with various microbes and are rich in bioactive compounds. Bacteria associated with sponges are able to produce bioactive compounds, which have the potential to be antimicrobial such as, antibacterial,...

Sorghum (Sorghum bicolor L. Moench) is a cereal crop that has potential to be cultivated and can be relied upon as a source of ruminant animal feed, especially in marginal and dry areas in Indonesia. This study aims to find out the potential of sorghum plants as alternative feed ruminant cattle in South...

This communication mainly covers investigations on the dynamic characteristics of forest diseases and insect pests' model which has a forest age structure with disease rate change functions. Firstly, the age structure model with partial differential equation with the function of the course is established....

Indonesia is one of the mega-biodiversity countries, with many plant species that are useful as medicine. Red Fruit (Pandanus conoideus Lam), found in Jayawijaya, Papua, is empirically believed to have numerous health benefits due to having a huge amount of bioactive compounds, especially carotenoids....

Sekolah Lapang Upaya Khusus (SL-UPSUS) shallot is one of the activities designed by the Ministry of Agriculture in order to oversee and assist farming in shallot production centers. This study aims to 1) analyze the level of application of shallot technology components of SL-UPSUS alumni farmers 2) determine...

Water has an important role for crops. Every crop needs water to survive. The amount of water that crops need, in different regions and seasons, is different. To calculate the amount of water needed by the crop precisely require careful analysis of the available supporting data. In practice, the fulfilment...

Yogurt, substituting other ingredients, such as honey pineapple, will affect the quality of the final quality produced. Yogurt quality will be determined by organoleptic parameters, product acidity, and the number of probiotics contained in yogurt. This study aimed to determine the effect of using a...

This research aims to determine the correlation of environmental temperature with feed and water intake of Friesian Holstein (FH) Cattle in the dry land. This study used three FH Cattle aged 5 to 8 years and was conducted at SKKP Suluh Obor Dairy Farm, Mandeu, Raimanuk, Belu, East Nusa Tenggara, Indonesia...

The Elang Brontok, scientifically named as Nisaetus cirrhatus is included in the least Concern in appendix II. The use of the COI gene for taxonomic in our previous study put our samples in a complex species taxonomical position. Further research needs to be done using other mitochondrial genes such...

Authentication of Syringa varieties is required in all major collections. The initial information left by the originators does not make it possible to uniquely identify the varietal affiliation of the samples. In most existing descriptions of varieties, even detailed ones, subjective categories are largely...

This paper summarizes the importance of water resource and more and more serious situations facing agricultural water use. Rainfed agriculture is a necessary way for crop production and food security. As one of the most efficient tool, rainwater harvesting can supplement rainfed agricultural and hence...

Almost all of the stingless honey bees in East Kalimantan are in the district/city. Various types of plants as sources of nectar in each region for stingless bees honey are interesting for research. This study’s purpose was the physicochemical analysis of H. itama honey from different meliponiculture...

Plagiobryoides cellularis is a part of mosses that has stomata. Furthermore, P. cellularis has different characteristics compared to the other mosses. These facts prove that some Bryophytes have stomata. But unlike other land plants, Bryophyte stomata are located in a capsule. To understand the characteristic...

In currently decades, the demand of functional foods is increasing and would increase continuously in the future. Since their roles can decrease of several diseases risk and can increasing the life expectancy. In addition, the consumers expect more and more food especially from animal products that are...

Syzygium cumini included in the family Myrtaceae is one type of plant that is hard to find. The benefits of S. cumini plants include seeds as a cure for diabetes, fruit as an antioxidant and anticancer, fruit skin as a medicine for dysentery and leaves as a reinforcement of teeth and gums. This research...

Purpose: To study the concentrations of trace metals and nonmetals elements in different types of gallstones (cholesterol-, pigment-, mixed- and calcium carbonate type) and to explore the formation mechanisms of gallstones. Method: Inductively coupled plasma emission spectrometer (ICP-AES) was used to...

By immobilizing glucose oxidase (GOD) on a nanocomposite containing hydroxyl fullerenes (C60-OH) and TiO2 nanoparticles, a new type biosensor was prepared for glucose detection. The cyclic voltammograms (CVs) of GOD on the nanocomposite modified glassy carbon electrode (GCE) was quasi-reversible. The...

Organic acids obviously affect plant survival and growth under soil nutrient deficiency condition. Variable proportion A1 and C horizon mixed cold temperate brown coniferous forest soils was applied to make soil nutrient deficiency condition, and then Larix gmelinii seedlings were planted in these soils....

As many as 78% of students, the subject of animal development is one of the complicated subjects to understand and requires a more detailed explanation in their understanding. However, biology students on 2019 at Padang University there are who still do not have a handbook in learning animal development,...

The buffalo population until 2018 was recorded at 1,356,390 heads throughout Indonesia. If buffalo feces are not appropriately managed, it will cause problems in the form of environmental pollution. Buffalo feces has the potential because it contains microorganisms that can be used to produce biogas....

In response to the unsustainable practice of palm oil plantation, several NGOs, palm oil companies and investors established the Roundtable Sustainable Palm Oil (RSPO) in 2004. This organization introduced a voluntary Certified Sustainable Palm Oil (CSPO) brand through a series of auditing processes...

Ongole grade (OG) cows are mostly kept at the smallholder farmer level, carried out traditionally - for instance, on the cow’s housing system, using individual tie-stall (ITS), or communal tie-stall (CTS) system. The housing system can affect the reproductive performance of the cows. This study aims...

Agricultural by-products utilization is one of the solutions for feed shortage problem. Agricultural by-products have high potential to be used for feed, but its utilization is limited by the low nutrient quality. Silage is a type of by-product utilization that can increase the nutrient quality. Adding...

The sewage source with widely distributed is a kind of low grade energy. The sewage source heat pump technology can achieve the energy conversion that the sewage source from low grade energy to high grade energy of sewage. The system sewage source heat pump supplies heat energy and cold energy to meet...

Anthocyanin is a water-soluble pigment, is a class of secondary metabolites, and it belongs to the flavonoid polyphenols. The peel is purple, which caused by the anthocyanin accumulation, so the purple pepper is loved by more and more consumers by high nutritional value and health effects. With the deepening...

Coastal land has great potential for the expansion of agricultural land. However, its productivity is generally low due to its highly sandy texture, resulting in low nutrient status and limited water absorption capacity. Maize yield is relatively sensitive to low nutrient and water availability. The...

Indonesia has very diverse biodiversity, such as Phalaenopsis. Phalaenopsis have the potential to be cultivated in plant breeding as parents for new hybrids. One of the attempts to improve the potential of Phalaenopsis spp. is polyploidization using colchicine. Polyploidization using colchicine can change...

The global warming issue has reached an alarming level due to the continuous increase of CO2 and other greenhouse gas emissions. They are released into the atmosphere due to anthropogenic activities and contributions from many industries that employ coal, fuel oil, and natural gas. To achieve environmentally...

Two cultivars of purple carrot ‘Pupur’ and ‘Mayami shokoladnaya” were investigated. Anthocyanins of both cultivars was qualitatively the same – main compound was cyanidin-3-feruloylhexosyl-pentosyl-hexodide, mole fraction of the anthocyanin was approximately 72 % of the overall anthocyanin content of...

In order to make a broad vaccine for influenza-A virus, a conserve epitope must be considered. M2 is a conserve transmembran protein in all strain of influenza-A virus. Therefore, in this experiment we used 69 bp synthetic nucleotides from extracellular domain of M2 from H5N1 as an epitope (M2e) for...

Kangkong (Ipomoea reptans Poir.) seeds have different colors at harvest due to differences in the seed maturity level, hence, differences in seed quality. Therefore, this study aimed to obtain information about the phenology of flowers, fruits, seeds, and to determine the appropriate heat unit accumulation...

Irrigation is important in the agricultural production system to support the growth of plants, hence it can improve the crop. Rice as a staple food in Indonesia commonly requires more water than other plants. It is not only to support the plant growth but also to support soil cultivation and to reduce...

Potato (Solanum tuberosum) is a horticulture product containing a carbohydrate complex. This review aims to understand the potatoes characteristics, quality measurement, postharvest handling, and extended shelf life Potatoes contain carbohydrate content that reaches about 18%, 2.4% protein, and 0.1%...

Stevia was known to have potential as a sugar substitute sweetener that can be used in various processed foods, including biscuits. The problem in making biscuits was the use of granulated sugar which can increase human blood glucose and was dangerous for people with diabetes mellitus, so we needed a...

Chromium pollution poses a serious threat to the safety of human beings and animals. The traditional method of treating Chromium-containing wastewater is difficult to achieve the purpose of removing chromium depth, In this paper, the removal of chromium in high-chromium industrial wastewater was studied...

Breed selection toward sustainable ruminant production should consider the breed that have high feed efficiency in the same time produce low methane emission. The study was conducted to evaluate the productivity and estimated methane production of six different breed of sheep fed on total mixed ration...

The progression of many diseases due to viruses and bacteria makes for an increase in natural alternative medicine. One source of natural medicine is honey and propolis of stingless bees. Efficacy physical and chemical properties of honey are influenced by the type of pollen and the environment, while...

Re-cleansing and purification of waste engine oil by flocculation-absorption can be used as a pretreatment for further refined processing due to its features of low pollution, low cost and easy operability. This paper has sifted through various absorbents to locate the most appropriate one based on previous...

The purpose of the study was to find out if there was a mixture of pork in ground beef samples in some Bengkulu city markets using the molecular Genetic DNA mitochondrial cytochrome b. The research was conducted from December 2019 to May 2020. Sampling was conducted at 10 meat mills in Bengkulu City...

This study aimed to identify the effect of supplementing garlic and seaweed powder into basal feed with organic chromium on the consumption and digestibility of dry matter (DM), organic matter (OM), crude fiber (CF), and crude protein (CP), ruminal fluid pH, and blood glucose level of the sheep. Three...

The availability of forage feeds greatly determines the productivity of ruminants. This study aims to determine the availability and potential of forage production for dairy cows in Ambopi village North Tongauna District, Konawe District. The method used in this study was survey carried out by purposive...

We observed the impact of carthamin yellow injection on revascularization in rats with acute myocardial infarction and discuss its mechanism. The left anterior descending branches of the coronary arteries of Wistar rats were ligatured, and the animal model with acute myocardial infarction was duplicated....

A novel chitin deacetylase (CDA), HcCDA4, was identified from the American white moth, Hyphantria cunea. The full-length cDNA sequence of HcCDA4 was identified,and the cDNA is 1494bp in length. The HcCDA4 was shown as a 56 kDa protein in E. coli BL21 by SDS-PAGE analysis and the specific antibodies reacting...

In this study, we present a new approach for biomass assessment in insect cell culture using a disposable microcentrifuge tube, which is composed with an upper chamber for sample loading and a lower 5 L capillary for cell collection during centrifugation. The height of the cell pellet within the capillary...

An important problem of cattle breeding in Russia is the creation of a solid fodder base. Due to its absence, the genetic potential of dairy and beef cattle in our country is realized only by 30-50%. This work is devoted to the study of the influence of the belotine feed additive on the productivity...

The purpose of this study was to evaluate antimicrobial and antioxidant of medicinal plants in the villages of Kwau and Siau (Phytochemical, antioxidant, anti-bacterial, antifungal, and toxicity). The bark, roots, and leaves are extracted with methanol to get the extract. Antimicrobial activity against...

This study aims to determine the best formulation of corn starch: moringa flour with the addition of mocaf and porang flour to produce the best quality sausage. The method used was an experimental method carried out in the laboratory using a Completely Randomized Design (CRD) with one factor, namely...

Screen-printed carbon electrode (SPCE) is one type of electrode commonly used for electrochemical biosensor application. It is fabricated using a screen-printing method, a method in which conductive ink is piled up layer-by-layer using some screen frames. SPCE combines three main electrodes used in the...

The quality of rice is one of the performances preferred by consumers in choosing rice. Determination of female parents is important in assembling rice with the desired quality. This study aims to determine the effect of maternal cytoplasmic on the agronomic characters of crossbreeding black×white rice....

This research aimed to evaluate the effect of addition different additives and level on pH, lactic acid content and total lactic acid bacteria maize stover (Zea mays L.) silage. The research was carried of the Plant Disease Laboratory, Faculty of Agriculture, Universitas Brawijaya. The material consists...

The problems of face-to-face meetings in Biology classrooms are the lack of flexibility and materials that cannot be accessed anytime and anywhere. Therefore, it needs to be combined with online learning or called blended learning. The purpose of this review is to describe the implementation of online...

Meatballs are one of the most popular processed meats in various countries. The meats commonly used to make meatballs are beef, chicken, and fish. The purpose of this study was to assess the quality of fish meatballs preserved with bacteriocin from Pediococcus pentosaceus strain 2397 during room temperature...

Indonesia is quite blessed to have a proper climate condition to cultivate rice plants as the demand for rice is becoming one of the highest among the other foodstuffs. Even so, the climate condition in Indonesia quite varies, where some regions are classified as dry climate area and one of them is East...

The accurate measurement of different species of ammonia nitrogen is essential to understanding of the self - purification and pollution status of water system as well as revealing the aquatic ecological environment. In the paper, the analytical methods for ammonia nitrogen species in aquatic environments...

Referring to the data in the preparation stage, students find it difficult to understand the concept of subject matter. The concept can be understood by constructing initial knowledge with newly acquired knowledge. The stages of constructing the concept are in the integrated constructivism approach in...

This study aimed to examine the postpartum estrous of Brahman Cross (BX) cows inseminated with a Limousine straw on smallholder farms. Ten BX cows were about five years old with a bodyweight between 365-430 kg in the last month of pregnancy was used in this study. Observations started from nine months...

Antibiotic-resistant strains of once-controllable pathogens are emerging and spreading beyond the healthcare system. It places an immense economic strain on the healthcare system and raises serious concerns about infection management and prevention. This research aims to identify any trends in antibiotic...

Trimmed Young Coconut (TYC) is one of the most Indonesia’s favourite tropical fruit. High demand of TYC brings to the development of TYC preservation in Indonesia. However, postharvest handling that have not been optimally operated impede the development of TYC agroindustry due to its damage. In addition,...

This study aims to determine the condition of internal and external factors, and the priority of the chopped tobacco agribusiness development strategies. This research applies descriptive and analytical method. The research location determined purposively. Key informants in this study were determined...

Observe the application of salmon calcitonin to the curing of chronic obstructive pulmonary disease (COPD) with osteoporosis and evaluate its clinical effect. Method: take the 90 patients suffering COPD with osteoporosis who were admitted by this hospital from March, 2015 to June, 2017 as the research...

The purpose of this research was to explore the genetic variation of Black Capped White eye Zosterops articapilla using the mitochondrial DNA cytochrome b gene. The blood sample was collected via pectoral vein of bird from Panorama markets, Bengkulu city. DNA genome were isolated and purified from the...

Tailings land has the potential to utilize as agricultural land. Tailings land requires improvements such as proper fertilization and has potential to be planted with cultivated plants, such as porang. Porang have potential to be cultivated, because porang have a high import value. This study aims to...

Chili pepper is a vegetable plant that is consumed by many people and has high economic value. Chili peppers contain secondary metabolite compounds, capsaicin which is synthesized in the epidermis cells. Capsaicin acts as a spicy taste in chili peppers, so chili peppers are favored by the public. Environmental...

Two mutant lines G5 and G8 are sorghum lines from mutation breeding techniques by gamma-ray irradiation, especially sorghum varieties for forage in Indonesia. The objective of this research is to evaluate the agronomic characteristics of sorghum mutant lines at different fertilizer levels on podzolic...

In birds, acute stress (a three-day 12-hour inversion of the photomode) is associated with the dominant activity of the sympathetic hypothalamus and hippocampus, which suppress the tone of the parasympathetic section and the reticular formation of the midbrain. The effect of hyperglycemia on the background...

The degradation of oxytetracycline (OTC) by the iron wire/H2O2 system was investigated. The effects of initial concentration of OTC, H2O2 dosage, initial pH value, iron wire dose and reused times of iron wire on the degradation of OTC were examined. The results showed that iron wire exhibited high catalytic...

The concentration of aluminum in salted jellyfish (Rhopilema esculentum) was determined and samples were collected from market located in Shanghai. Risk of aluminum in salted jellyfish was analyzed in the present study. 16 samples were collected from markets in Shanghai, including instant jellyfish and...

The objective of education is essentially delivering learners to a change of conduct of both moral intellectual, and social to live independently. Successfull education have depend on the learning process. To achieve educational objectives necessary active role teachers who understand and implementing...

Sweet corn is a horticultural plant that lives in the highlands. In less than optimum conditions, sensitive genotypes can thrive, especially in coastal areas with drought conditions. There were 13 genotypes of sweet maize tested in coastal areas with drought conditions. The research was conducted in...

The research was conducted at the Mosampora farmer group, Toaya Village, Donggala Regency, Central Sulawesi Province. The study aimed to determine the effect of fermented corncob feed on body weight gain and BCS in Donggala cattle raised in smallholder farms in Central Sulawesi. Environmental conditions...

Shallot (Allium cepa L. Aggregatum group) is an important commodity for spices, traditional medicines, and healthy diet components. Growth and yield shallot plants from TSS affected by different transplanting ages were determined in the research in RCBD with two factors and three replications. The first...

Primary dysmenorrhea refers to lower abdominal pain, mild lumbago and discomfort in the lower abdomen during or before the menstrual period. Moxibustion has shown efficacy in the treatment of dysmenorrhea by removing blood stasis and relieving pain. The objective of the current study was to compare the...

A Hydroponic culture was conducted to determine the effect of organic acids and metal ions on plant growth, camptothecin concentrations and yield of Camptotheca acuminata, in an effort to increase the camptothecin yield by artificial cultivation. For maximal camptothecin production, increase of maleic...