Articles: Recent submissions
Now showing items 3821-3840 of 4336
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Identification of Dominant Marker Compounds of Black Betel Leaf Extract and Quantification Based on Differences in Planting Locations
(JSK, 2021-04)It has been revealed that the benefits of black betel leaf extract have created an opportunity for the black betel plant to be commercialized. The several benefits of black betel leaf extract are antimicrobial, anti-inflammatory, ... -
Chemical constituents from Piper betle L. Var Nigra (Piperaceae)
(JTPC, 2021-06)Two fatty acid derivatives, 2-octenoic acid and 2-hexenoic acid were isolated from the extract of n-hexane of the Piper betle L. Var. Nigra (Piperaceae). The chemical structures were identified on the basis of spectroscopic ... -
Novel Amides Derivative with Antimicrobial Activity of Piper betle var. nigra Leaves from Indonesia
(MDPI, 2021-01)Piper betle var. nigra is a tropical plant closely related to the common piper. P. betle has also been dubbed a promising source of natural antioxidants in herbal health products, antibacterial, antifungal, antimalarial, ... -
PqsBC, a Condensing Enzyme in the Biosynthesis of the Pseudomonas aeruginosa Quinolone Signal CRYSTAL STRUCTURE, INHIBITION, AND REACTION MECHANISM
(JBC, 2016-03)Pseudomonas aeruginosa produces a number of alkylquinolone-type secondary metabolites best known for their antimicrobial effects and involvement in cell-cell communication. In the alkylquinolone biosynthetic pathway, the ... -
Exploring English lexical inferencing strategies performed by EFL university students
(Routledge, 2018)This study investigated two points: (1) Lexical inferencing strategies applied by the S2 students while inferring word meanings from an English research paper and (2) the problems the students deal with while inferring ... -
THE IMPORTANCE OF WORKING MEMORY IN ACQUIRING SECOND LANGUAGE (L2)
(Fakultas Ilmu Budaya Universitas Mulawarman, 2018)This paper highlights the importance of short term memory and its roles in linking the information acquired from sensory memory into long term memory. Short term- memory, also known as working memory, has significant ... -
LANGUAGE LEARNER AUTONOMY: THE BELIEFS OF ENGLISH LANGUAGE STUDENTS
(Universitas Islam Negeri Syarif Hidayatullah Jakarta, 2019)This study aims at investigating: (1) levels of autonomous learning from three groups of students with different periods of study, (2) EFL students’ beliefs towards learner autonomy and their lecturers’ roles in promoting ... -
Language Learning Process and Gender Difference Implied from the Turn-Takings Used in EFL Student Conversation Club
(UIN Sultan Aji Muhammad Idris Samarinda (IAIN Samarinda), 2019)This study aims at investigating the kinds of turn-taking mostly used by EFL learners, how the turn-takings are portrayed as a process of EFL learning, and how the EFL learners differ in making their turn-takings according ... -
Do I Speak Anxiously? A Correlation of Self-Efficacy, Foreign Language Learning Anxiety and Speaking Performance
(Universitas Widyagama Samarinda, 2021)Background: Self-efficacy and anxiety associated with foreign language learning are now recognized as two critical affective factors in foreign language learning. However, little is known about the relationships between ... -
Reflection of Teacher Cognition in EFL Vocabulary Instructional Practices in Indonesia
(Canadian Center of Science and Education, 2017)Teachers are highly influenced by their cognitions related to their ideas, to their views of the world, and to their values and conceptions of their environment. The study of teachers’ cognitions forms a part of the process ... -
Mineralogical Characterization of Soils In Plantation Forest of East Kalimantan, Indonesi
(RJOAS: Russian Journal of Agricultural and Socio-Economic Sciences, 2021-01)Soil minerals including primary mineral and (secondary) clay mineral play an important role which has greatly contributed in determining the properties of soils and availability of soil nutrient reserve ... -
Stabilitas Warna Biji Tumbuhan Annatto (Bixa orellana L.) Sebagai Bahan Pewarna alami
(PROSIDING SEMNAS MAPEKI, 2013) -
Natural Products Exploration in Frame of Tropical Plant Bio-resource Conservation and Utilization
(IPB International Convention Center, 2014) -
Karakteristik Ekstrak Dari Kulit Kayu Bakau dengan Pelarut yang Berbeda
(ULIN: Jurnal Hutan Tropis, 2018)Tanin dari ekstrak tumbuhan memiliki beragam kegunaan, yang paling populer adalah sebagai bahan substitusi perekat dalam industri pengolahan kayu. Tujuan dari penelitian ini adalah untuk mengetahui karakteristik ekstrak ... -
Evaluation of Antibacterial Activity and Physico-Chemical Profiles of Eucalyptus pellita Essential Oil from East Kalimantan
(Atlantis Press, 2021-04-10)Eucalyptus is one of the plants used in the pulp and paper industry, and their leaves are known as forest harvesting waste that potential to produce essential oils. This research aimed to examine the physicochemical profiles ... -
Antibacterial Activity Against Propionibacterium acnes of n-Hexane Fractions from Siam Weed Leaves (Chromolaena odorata)
(Atlantis Press, 2021-04-10)The present study aims to separate the active fractions from the n-hexane extract of Siam weed (Chromolaena odorata (L) R.M. King & H. Rob) leaves with potential as the antiacne agent. The present work includes isolation ... -
Preservation of Pulai Wood (Alstonia scolaris L. Br.) with Natural Preservative Fruit Extracts Orania palindan (Blanco) Merr. No Thumbnail [100%x80]
(Atlantis Press, 2021-04-10)Orania palindan is a betel species from the Arecaceae family which has a toxic content, especially in the fruit and tubers. This study aims to examine the ability of O. palindan fruit extract using room temperature water ... -
Preservation of Pulai Wood (Alstonia scolaris L. Br.) with Natural Preservative Fruit Extracts Orania palindan (Blanco) Merr.
(Atlantis Press, 2021-04-10)Orania palindan is a betel species from the Arecaceae family which has a toxic content, especially in the fruit and tubers. This study aims to examine the ability of O. palindan fruit extract using room temperature water ...