Skin is the body's first defense line against environmental pathogens. However, open skin wounds can interfere with the normal function of the skin and the entry of opportunistic bacteria into the body. Recently, the development of nano-dressing containing green antibiotics has been received much attention around the world. In this study, the essential oil of Citrus sinensis (CSEO) was u...

introduction : the decreased level of immunity in human immunodeficiency virus (hiv) infected patients increases their vulnerability to various opportunistic fungal infections. oral candidiasis has been found to be the most common fungal infection among hiv infected patients. the present study was conducted to evaluate the spectrum of various opportunistic fungal infections and their correlatio...

A successful agent in the real world must both plan ahead and react to the unexpected. Ideally, both processes should be carried out in a common framework. In this paper we describe su~ a framework based on the analysis of opportunities. We argue that planning in advance can be viewed as a matter of anticipating opponanities, while responding to the unexpected should be seen as reacting to oppo...

Rhodococcus equi is a facultatively-aerobic, gram-positive and intracellular bacteria that causes pulmonary and disseminated infections in immuno-compromised patients. It is a common agent that causes pneumonia in farm animals and only rarely is transmitted to man. I report a case of pneumonia caused by this agent in a patient with AIDS who had been misdiagnosed as tuberculosis and treated as s...

background: cryptosporidiumis known as an opportunist disease-causing agent in man in recent decades. it causes diarrhea and intestinal disorders in the immune deficit and immune competent individuals. this study was aimed to investigate the clinical characteristics of hiv/aids patients withcryptosporidiosisinfection. methods: this cross-sectional descriptive study was performed on 53 hiv/aids ...

Background: Cryptosporidiumis known as an opportunist disease-causing agent in man in recent decades. It causes diarrhea and intestinal disorders in the immune deficit and immune competent individuals. This study was aimed to investigate the clinical characteristics of HIV/AIDS patients withcryptosporidiosisinfection. Methods: This cross...

Multi-agent systems allow the simulation of complex phenomena that cannot easily be described analytically. Multi-agent approaches are often based on coordinating agents whose actions and interactions are related to the emergence of the phenomenon to be simulated. In this article, we focus on road traffic simulation, specifically the design of a road traffic simulation tool able to deal realist...

We describe a system which uses an agent-based approach to support teaching in the collaborative setting of asynchronous plain-text electronic conferencing. We have identified areas within which tutors who use conferencing need support and developed a system which provides help in an opportunistic manner. The agent we have developed uses a case-based approach to instruction by offering help on ...

Traffic management in large networks remains an important challenge in transportation systems. The best approach would be to use existing infrastructure and find a solution to manage the increasing flows of vehicles. Multi-agent systems and autonomous vehicles are today considered as a promising approach to deal with traffic control. In this paper, we propose a two-level decentralized multi-age...