Matemáticas y Estadística / Mathematics and Statistics / Matemática e Estatística

Between Open Sets and Semi-Open Sets

Samer Al Ghour, Kafa Mansur
PDF

9-20

Química / Chemistry / Química

Rollinia mucosa (Jacq.) Baillon (Annonaceae) active metabolites as alternative biocontrol agents against the lace bug Corythucha gossypii (Fabricius): an insect pest.

Ana Isabel Giraldo-Rivera, Gloria Edith Guerrero-Álvarez
PDF

21-34

Microbiología / Microbiology / Microbiologia

Polyhydroxyalkanoate biosynthesis by oxalotrophic bacteria from high Andean soil

Roger David Castillo-Arteaga, Edith Mariela Burbano-Rosero, Iván Dario Otero-Ramirez, Juan Camilo Roncallo, Sandra Patricia Hidalgo-Bonilla, Pablo Fernández-Izquierdo
PDF

35-59

Entomología y Agricultura / Agriculture and Enthomology / Entomologia e Agricultura

Titanium Dioxide Nanoparticles and Sodium Nitroprusside Alleviate the Adverse Effects of Cadmium Stress on Germination and Seedling Growth of Wheat (Triticum aestivum L.)

Javad Faraji, Ali Sepehri
PDF

61-87

Biología molecular / Molecular biology / Biologia molecular

Agrobacterium-mediated transformation of the wild orchid Cattleya maxima Lindl

Augusta Y. Cueva-Agila, Cella Rino
PDF

89-107

Ecología / Ecology / Ecologia

Application of physico-chemical indexes and BMWP / Col. to establish the impact of urbanization on Río Frío (Bucaramanga, Colombia)

Ricardo Restrepo-Manrique
PDF

109-128

Scientific and Industrial Metrology/Metrología Científica e Industrial/

An investigation on the effect of humidity on the zero signal of a strain gauge measuring system

K. M. Khaled, G. M. Mahmoud
PDF

129-139