نتایج جستجو برای: fungal contamination
تعداد نتایج: 104616 فیلتر نتایج به سال:
BACKGROUND & OBJECTIVES The present study was carried out on stored rice variety PAU 201 in Punjab that was not permitted for milling and public distribution due to the presence of damaged grains at levels exceeding the regulatory limits of 4.75 per cent. The aim of the study was to determine fungal and aflatoxin contamination in the rice samples to assess hazard from the presence of damaged gr...
A two-years (2003-2005) fungal environmental surveillance was carried out in three departments of a hospital in Campania region (Surgery, Intensive Care Unit, Obstetrics and Gynaecology). Four operating theatres rooms and their relative areas of service and support, 4 patient rooms of intensive care unit, 1 delivery room, 1 labour room and 1 nursery of Obstetrics and Gynaecology were checked. A...
INTRODUCTION Contamination of preservation fluid is common, with a reported incidence of 2.2% to 28.0%, and may be a major cause of early morbidity after transplantation. Herein, we report our experience with routine examination of preservation fluid collected just before implantation, focusing on the rate of contamination and the clinical consequences to recipients. MATERIALS AND METHODS We ...
Opportunistic fungal pathogens are known to increase infection in the health care workers and patients with immune deficiency. This study aimed to investigate the qualitative and quantitative airborne fungal contamination load in two Sanandaj hospitals. In this cross-sectional study, 112 biological samples from 15 different hospital wards were collected for 6 months by using the single-stage An...
Out of 65 medicinal herbs and spices screened, 60 were contaminated while 5 were free from fungal contamination. Analysis revealed that 45.31% of the samples have a fungal load above 1×10 cfu/g which is the permissible limit set by World Health Organization. A total of 191 fungi were isolated in which Aspergillus and Penicillium were the predominant microorganism. Among the various fungal...
Fourier transform infrared photoacoustic spectroscopy (FTIR-PAS), a highly sensitive probe of the surfaces of solid substrates, is used to detect toxigenic fungal contamination in corn. Kernels of corn infected with mycotoxigenic fungi, such as Aspergillus flavus, display FTIR-PAS spectra that differ significantly form spectra of uninfected kernels. Photoacoustic infrared spectral features were...
UNLABELLED Previously, the author proposed a 'fungal index' that quantifies the capacity for fungal growth in a test environment where a device (fungal detector) encapsulating spores of a xerophilic sensor fungus Eurotium herbariorum was placed. It was also found that an extremely xerophilic fungus, Aspergillus penicillioides, was suitable as a sensor fungus at sites with lower relative humid...
Commercially available kits were tested for their ability to detect bacterial and fungal contamination in hydrocarbon fuel systems. The handling ease of the kits was evaluated, and their sensitivity was compared with that of conventional methods. Most kits in both laboratory and field studies compared well with laboratory methods and were sufficiently sensitive to determine contamination in shi...
Traditional method of the routine subculturing by transfer of fungal cultures from staled to fresh media is not a very practical means of storing large numbers of fungal cultures. It is time-consuming, prone to contamination, and does not prevent genetic and physiological changes. At present, besides freeze-drying (lyophilization), cryopreservation seems to be the best preservation technique av...
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