The Alcobacenses are one of the most important Portuguese collections Monastic codices. During a campaign study to further advance our knowledge on this legacy and its state conservation, heavily deteriorated codex (ALC.338) stood out due presence purple stains lower margins virtually all folios. In some them, accompanied by yellow brown patches as well. Also noticed was these spots white tawed...

Genipa americana L., commonly known as genipap, belongs to the Rubiaceae family. This study aimed describe pollen morphology of species, evaluate its meiotic behavior and viability, provide information help maintenance conservation species in natural habitat. Flower buds were collected from 20 individuals Alta Floresta Matupá municipalities, Mato Grosso, Brazil. Pollen was characterized using a...

Leifson stain was modified to produce rapid staining of bacterial flagella on untreated microscope slides. The procedure was reliable when tested against a variety of motile and nonmotile bacteria.

Little did Christian Gram1 know that his differential staining technique developed in 1884 would remain one of the first procedures learned by beginning bacteriology students and one of the first procedures carried out in any laboratory where bacteria are routinely identified at the end of the 20th century. In today's high-tech medical world where the utilization of nucleic-acid amplification i...