Vol. 23 No. 1 (2018)

Published January 25, 2018

Mathematics and Statistics

Samer Al Ghour, Kafa Mansur
9-20
Between Open Sets and Semi-Open Sets
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Chemistry

Ana Isabel Giraldo-Rivera, Gloria Edith Guerrero-Álvarez
21-34
Rollinia mucosa (Jacq.) Baillon (Annonaceae) active metabolites as alternative biocontrol agents against the lace bug Corythucha gossypii (Fabricius): an insect pest.
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Microbiology

Roger David Castillo-Arteaga, Edith Mariela Burbano-Rosero, Iván Dario Otero-Ramirez, Juan Camilo Roncallo, Sandra Patricia Hidalgo-Bonilla, Pablo Fernández-Izquierdo
35-59
Polyhydroxyalkanoate biosynthesis by oxalotrophic bacteria from high Andean soil
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Agriculture and Enthomology

Javad Faraji, Ali Sepehri
61-87
Titanium Dioxide Nanoparticles and Sodium Nitroprusside Alleviate the Adverse Effects of Cadmium Stress on Germination and Seedling Growth of Wheat (Triticum aestivum L.)
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Molecular Biology

Augusta Y. Cueva-Agila, Cella Rino
89-107
Agrobacterium-mediated transformation of the wild orchid Cattleya maxima Lindl
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Ecology

Ricardo Restrepo-Manrique
109-128
Application of physico-chemical indexes and BMWP / Col. to establish the impact of urbanization on Río Frío (Bucaramanga, Colombia)
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Scientific and Industrial Metrology

K. M. Khaled, G. M. Mahmoud
129-139
An investigation on the effect of humidity on the zero signal of a strain gauge measuring system
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