Browsing Faculty of Mathematics and Natural Sciences by Issue Date
Now showing items 21-40 of 471
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Isolation and characterization of a thermophilic lipase from Bacillus thermoleovorans ID-1
(1999)thermophilic microorganism, Bacillus thermoleovorans ID-1, isolated from hot springs in Indonesia, showed extracellular lipase activity and high growth rates on lipid substrates at elevated temperatures. On olive oil (1.5%, ... -
Genetically Engineered Rhodobacter Sphaeroides for the Overproduction of gama-aminolevulinic acid
(1999)Genes for J3 and cc polypeptides of the lightharvesting I I complexes in Rhodobacter sphaeroides 2.4.1 are encodcd by the pucBA operon, and their expression is highly rcgulated by oxygen level and light intensity. ... -
The Activity of Antibacterial Substance Isolated from Kaliandra's Honey
(1999)Experiments were conducted to determine the activity of antibacterial substance isolated from Kaliandra's honey. The honey could inhibit some bacteria, such as Enterobacter cloacae, Salmonella typhimurium, and Escherichia ... -
Transfer Gen inaZ pada Beberapa Galur Bradyrhizobium japonicum Toleran Asam-Al
(1999)The objective of this research was to study the expression of ice maclearion gene (inaZ) in several Bradyrlxizobizmx japonicum acid-Al tolerant strains in free living and bacteroid stage. The test strains, i.e. 05, 09,15, ... -
Genetically engineered Rhodobacter sphaeroides for the overproduction of d-aminolevulinic acid
(1999)Genes for b and a polypeptides of the light- harvesting II complexes in Rhodobacter sphaeroides 2.4.1 are encoded by the pucBA operon, and their expression is highly regulated by oxygen level and light intensity. ... -
Pemanfaatan Limbah Industri Tapioka Sebagai Pupuk Cair Pada Tanaman Sayuran Vol VII, No 2, 2001
(2001)The objectives of this experiment were to study vegetable crops which have good response and to find the optimal interval time of liquid fertilizer application from tapioca wastewater to increase vegetable crops yield. The ... -
Electroretinogram analysis of relative spectral sensitivity in genetically identified dichromatic macaques
(2001)The retinas of macaque monkeys usually contain three types of photopigment, providing them with trichromatic color vision homologous to that of humans. However, we recently used molecular genetic analysis to identify several ... -
Leaf Anatomy Of Pandanus Species (Pandanaceae) From Java
(2001)Leaf anatomy of Pandanus species (Pandanaceae) from Java. Reinwardtia 13(3): 305-313. The leaf epidennis and mesophyll of fifteen species of Pandanus from Java were investigated to assess the value of anatomical features ... -
Microorganisms with a Taste for Vanilla: Microbial Ecology of Traditional Indonesian Vanilla Curing
(2001)The microbial ecology of traditional postharvesting processing of vanilla beans (curing) was examined using a polyphasic approach consisting of conventional cultivation, substrate utilization-based and molecular identification ... -
Efisiensi Pemanfaatan Radiasi Surya Pada Tanaman Soba (Buckwheat) Di Iklim Tropis Vol 7, No 2, 2001
(2001)The study has been conducted to determine radiation use efficiency of buckwheat (Fagopyrum esculentum Moench.) in tropical climafe. Experiment site of Ciawi. Bogor was located at 400 m above sea level. A cultivar of kitawase ... -
Produksi Biomasa Dan Nilai Kalor Kayu Acacia nilotica Asal Limbah Cair Tropika
(2002)A Total of 6 fungi isolates of growing at PH 9 and 2 isolated from cassava starch liquid waste. Two isolates having the highest amylolytic index were identified as Aspergillus sydowii K10 and A. versicolor L30 were described ... -
Pengaruh Nisbah Mol Lignin Resorsinol Formaldehida dan Waktu Kempa terhadap Keteguhan Rekat Kayu Lamina Manii, Maesopsis eminii Engl.
(2002)Lignin m e r u p h ~ko lnponen utanlil pen)m1 kayl~s elain selulosa dan hemiselulosa Ia terdiri dari molehulmolekul senyawa plifenol yang berfungsi sebagai penght sel-sel kayu satu sama lain, sehmgga menjadi keras dan kaku, ... -
Penerapan regresi logistik pada masalah corpora te farming
(2002)The government declared a program which known as Corporate Farming to Increase the income of tea far men with small land This program is dealed to collect resources or farmer (land money, and marketing) and then manage by ... -
Restrictions on the weight distribution of quaternary linear codes
(2002)This paper describes some nonexistence results for quaternary linear codes. The standard linear program is strengthened with constraints from the weight distribution of binary Reed-Muller codes. -
The Colugo (Cynocephalus variegatus, Dermoptera): The Primates’ Gliding Sister?
(2002)Although a general agreement on the major groups of eutherian orders and their phylogenetic affiliations is emerging, the evolutionary affiliations among the members constituting these groups are still subject to debate. ...
