271 hasil

Functional Properties of Purple Water Yam Flour Modified by Lactobacillus plantarum

Ulyarti Ulyarti; Ade Yulia; Nazarudin Nazarudin dkk.

Makara Seri Sains, Vol. 25 No. 1 · 2021 · Inggris · DOAJ

Screening and Integration Analysis of OsDREB1A BC4F2 and BC5F1 Generations of Transgenic Ciherang Rice (Oryza sativa L.) for High-Salinity Tolerance

Dika Migi Priyono; Tri Joko Santoso; Andi Salamah

Makara Seri Sains, Vol. 17 No. 2 · 2014 · Inggris · DOAJ

Salinity is one of a number of abiotic stresses that threaten rice production in Indonesia. To support food security programs, BB-Biogen has developed rice lines derived from OsDREB1A transformed Ciherang up to BC4F2 and BC5F1 generations. To verify the salinity tolerance and the stability of…

Multilocus Sequence Analysis of Cercospora spp. from Different Host Plant Families

Floreta Fiska Yuliarni; Wellyzar Sjamsuridzal; Iman Hidayat

Makara Seri Sains, Vol. 17 No. 2 · 2014 · Inggris · DOAJ

Identification of the genus Cercospora is still complicated due to the host preferences often being used as the main criteria to propose a new name. We determined the relationship between host plants and multilocus sequence variations (ITS rDNA including 5.8S rDNA, elongation factor 1-α, and…

Distribution Patterns of the Morphology, Species, and Sex in the Stingray Species Complex of Himantura uarnak, Himantura undulata, and Himantura leoparda in Indonesia

Irma Shita Arlyza; Dedy Duryadi Solihin; Dedi Soedharma

Makara Seri Sains, Vol. 17 No. 2 · 2014 · Inggris · DOAJ

The assessment of the morphology and stingray species distribution of the Himantura uarnak species complex covers eight sampling sites in western and eastern Indonesia as many as 113 individuals. The observation of the reticulate pattern was accomplished by directly checking the dorsal side of the…

Synthesis of Fe3O4 Nanoparticles from Ironstone Prepared by Polyethylene Glycol 4000

Astuti; Geby Claudia; Noraida dkk.

Makara Seri Sains, Vol. 17 No. 2 · 2014 · Inggris · DOAJ

This study reports the modification of the preparation method of Fe3O4 nanoparticles, which consists of two stages, beginning with the destruction and separation of iron ore from ironstone. Then, the Fe3O4 nanoparticles are synthesized using the coprecipitation method with magnetite (Fe3O4)…

Effect of a Combination of Extract of Centella asiaticaL. Leaves and Extract of Green Coffee (Coffea canephora robusta P.) Beans in a Cream Preparation for Grade 1-3 Cellulite and Slimming

Riska Febriadne Primastuti; Wong Lip Wih; Abdul Mun’im

Makara Seri Sains, Vol. 17 No. 1 · 2013 · Inggris · DOAJ

An accumulation of fat in the subcutaneous tissue causes cellulite and dimpling on the surface of the skin. Although not related to obesity, obesity worsens cellulite. There are abundant topical anticellulite creams on the market, but the efficacy of these creams has not been scientifically proven…

Effectiveness of Iron Fortification on Soy-Based Foods Using Ferrous Bisglycinate in the Presence of Phytic Acid

Rika Tri Yunarti; Agustino Zulys; Lina Yuliana Harahap dkk.

Makara Seri Sains, Vol. 17 No. 1 · 2013 · Inggris · DOAJ

The major cause of iron deficiency in human body isthe low intake of iron from foods. One of strategy to overcome the iron deficiency anemia (IDA) in Indonesia is iron fortification to soya-based food. Phytic acid is a compound that presents in soy-based food and inhibits iron adsorption in…

Bioconcentration Factor of Copper , Lead , and Zinc in Anadara indica Related to the Water Quality in Coastal Areas

Noverita Dian Takarina; Dietriech Geoffrey Bengen; Harpasis Slamet Sanusi dkk.

Makara Seri Sains, Vol. 17 No. 1 · 2013 · Inggris · DOAJ

The Garapan river mouth forms part of the Tanjung Pasir coastal area. This region receives materials not only from coastal waters but also from domestic sewage and industrial wastewater that contains heavy metals suchas Cu, Pb, and Zn. On the contrary, the Cibungur river mouth in the different…

Identification of Gene Resistance to Avian InfluenzaVirus (Mx Gene) among Wild Waterbirds

Dewi Elfidasari; Dedy Duryadi Solihin; Retno Damayanti Soejoedono dkk.

Makara Seri Sains, Vol. 17 No. 1 · 2013 · Inggris · DOAJ

The Mx gene is an antiviral gene used to determine the resistance or the susceptibility to different types of viruses, including the Avian Influenza (AI) virus subtype H5N1. The AI virus subtype H5N1 infection in chickens causes Mx gene polymorphism. The Mx+ gene shows resistant to the AIvirus…

Design A Prototype of Temperature Logging Tools for Geothermal Prospecting Areas

Supriyanto; Rizki Mahmudah; Nella Marwah

Makara Seri Sains, Vol. 17 No. 2 · 2013 · Inggris · DOAJ

The costs of geothermal exploration are very high because technology is still imported from other countries. The local business players in the geothermal sector do not have the ability to compete with global companies. To reduce costs, we need to develop our own equipment with competitive prices…

Determining the Source Parameters of the Jambi Earthquake (1 October 2009, Mw =6.4) Using Three-Component Local Waveforms

Madlazim

Makara Seri Sains, Vol. 17 No. 1 · 2013 · Inggris · DOAJ

The purpose of this research was to estimate the source parameters of a mainshock earthquake (Mw=6.4) that occurred on 1 October 2009 in the Dikit major segment of theSumatran Fault Zone (SFZ). The source parameters were analyzed by the inversion of three-component local waveformsrecorded by the…

Purification of Biotransformation Products of Cis-Isoflavan-4-ol by Biphenyl Dioxygenase of Pseudomonas pseudoalcaligenes KF707 Strain Expressed in Escherichia coli

Tri Ratna Sulistiyani

Makara Seri Sains, Vol. 17 No. 1 · 2013 · Inggris · DOAJ

Isoflavone has multiple beneficial effects on human health, especially through its antioxidant and anticancer activities. The biotransformation of isoflavone using byphenyl dioxygenase could be performed to extend the diversity of flavonoids and to improve their biological and physiological…

Screening Antimicrobial Activity of Actinomycetes Isolated from Raja Ampat, West Papua, Indonesia

Wellyzar Sjamsuridzal; Heddy Julistiono; Andria Agusta dkk.

Makara Seri Sains, Vol. 16 No. 1 · 2012 · Inggris · DOAJ

In the framework of exploitation of antimicrobial activity of Actinomycetes in Papua, one hundred isolates ofActinomycetes isolated from soil and leaf litter samples from various ecosystems in Batanta and Salawati Island, RajaAmpat, West Papua were screened. We obtained 200 crude extracts from 100…

Phytochemical Composition of Selaginella spp. from Java Island Indonesia

Tatik Chikmawati; Ahmad Dwi Setyawan; Miftahudin

Makara Seri Sains, Vol. 16 No. 2 · 2012 · Inggris · DOAJ

For a long time, people in West Java, Indonesia have used Selaginella as a traditional cure for several ailments including fever, minor wounds, broken bones, women’s health disorders or postnatal bleeding. However, information on the active compounds of the plant from Java Island has not been fully…

Investigation on the Synergistic Complexation of Ni(II) with 1,10-Phenanthroline and Dithizone at Hexane-Water Interface Using Centrifugal Liquid Membrane-Spectrophotometry

Yoki Yulizar; Nerny Wahyuningsih; Novena Damar Asri dkk.

Makara Seri Sains, Vol. 16 No. 3 · 2012 · Inggris · DOAJ

Complex formation of Ni(II) and 1,10-phenanthroline (C12H8N2/Phen) with the addition of dithizone (C13H12N4S/HDz) at the hexane-water interface has been studied by direct measurement spectrophotometry using the centrifugal liquid membrane (CLM) method. Ni(II) ion with Phen formed a cationic complex…

Synthesis and Antiplasmodial Activity of 2-(4-Methoxyphenyl)-4-Phenyl-1,10-Phenanthroline Derivative Compounds

Nazudin; Mustofa; Ruslin Hadanu

Makara Seri Sains, Vol. 16 No. 2 · 2012 · Inggris · DOAJ

A unique of synthetic methods was employed to prepare 2-(4-methoxyphenyl)-4-phenyl-1,10-phenanthroline (5) derivatives from 4-methoxy-benzaldehyde (1), acetophenone (2), and 8-aminoquinoline (4) with aldol condensation and cyclization reactions. The derivatives were tested through antiplasmodial…

Physiological Responses of Jatropha to Drought Stress in Coastal Sandy Land Conditions

Bambang Djadmo Kertonegoro; Rukmini Kusmarwiyah; Prapto Yudono dkk.

Makara Seri Sains, Vol. 16 No. 2 · 2012 · Inggris · DOAJ

Jatropha curcas L., an important tropical biofuel crop, is reputed for its drought resistance, however, its ability to perform in dry conditions has still hardly been investigated. Changes in leaf water status, chlorophyll content, leaf surface temperature, stomatal conductance, proline and abcisic…

PMN Leukocytes and Fibroblasts Numbers on Wound Burn Healing on the Skin of White Rat after Administration of Ambonese Plantain Banana

Juniarti; Yuhernita; Suryadi dkk.

Makara Seri Sains, Vol. 16 No. 1 · 2012 · Inggris · DOAJ

A study of ambonese plantain banana (Musa paradisiaca var sapientum Lamb) treatment in burn wound healing on the skin of white rats (Rattus novergicus) has been conducted. The wound healing of burn injuries was evaluated by counting the number of PMN leukocytes and fibroblasts at the 7th, 14th, and…

Cultivation of Uncultured Bacteria of the Class Ktedonobacteria in the Phylum Chloroflexi

Akira Yokota

Makara Seri Sains, Vol. 16 No. 1 · 2012 · Inggris · DOAJ

16S rRNA gene clones, and cultured representatives are a limited number. In this review, recent findings on the taxonomical and ecological significance of the class Ktedonobacteria in the phylum Chloroflexi are discussed based on the findings from both the characteristics of the cultured…

Vertical Distribution and Flux of Nutrients in the Sediments of the Mangrove Reclamation Region of Muara Angke Kapuk, Jakarta

Anna Ida Sunaryo Purwiyanto; Tri Prartono; Alan Frendy Koropitan

Makara Seri Sains, Vol. 16 No. 3 · 2012 · Inggris · DOAJ

The reclaimed mangrove estuary in Muara Angke Kapuk is a reclaimed area that has not evaded the impacted of pollution and waste in the areas surrounding Cengkareng, Jakarta. This is apparent from the fact that almost all sediments under the mangrove trees are buried under heaps of plastic trash…