In recent years some attention has been focused on the low temperature storage of various protozoa. The purpose of this work was to confirm that Trichomonas vaginalis can be preserved for several months at a temperature of -196°C. in liquid nitrogen. Weinman and McAllister (1947), who successfully preserved a number of pathogenic protozoa, failed to preserve T. vaginalis, and only a proportion ...

Copper Chrome Arsenic (CCA) is a potent wood preservative. It currently the dominant preservative used in Aotearoa (New Zealand). Internationally, CCA has been phased out many jurisdictions over last decades due to health and environmental concerns. This review summarises current knowledge about risks of treated timber, revisits risk assessment New Zealand authorities timber discusses challenge...

Sodium Tetraborate, also known as Borax, is a chemical compound which derivative of metal boron gas (B), used an antifungal compound, wood preservative, and antiseptic in cosmetics. The use Borax preservative food has been banned by the government. purpose this study was to help remove levels borax found meatball bulbs. Sampling determined Balongbendo District, Sidoarjo Regency. Analysis conten...

Abstract The stake test is widely used to evaluate the efficacy of wood preservatives. This monitors deterioration level observed in treated stakes partially inserted into ground. results are conventionally expressed as relationship between levels and exposure periods. preservative compared among groups with different retention based on results; however, there no scientific basis for comparison...

PURPOSE To compare the prevalence of side effects between eyedrops with or without preservatives, in terms of subjective symptoms and objective signs in patients with open-angle glaucoma. METHODS In a multicenter cross-sectional epidemiologic survey in four European countries, ophthalmologists in private practice enrolled 9658 nonconsecutive patients using preservative (P) or preservative-fre...

Background and objectives: Food poisoning has been always a major concern in health system of every community and cream-filled products are one of the most widespread food poisoning causes in humans. In present study, we examined the preservative effect of the cinnamon oil in cream-filled cakes. Methods: Antimicrobial activity of Cinnamomum verum J. Presl (Cinnamon) bark essential oil was exami...