background and objectives: biosurfactants are surface active agents with broad range commercial applications in various industries and have considerable advantages over their chemical counterparts. materials and methods: in this study, bacteria were isolated from contaminated and uncontaminated soil and selected during preliminary screening using hemolytic activity, oil spreading and oil collap...

The area under twitch tension records was measured for motor units in rat medial gastrocnemius. These measures were compared to measures of tension. The tension varied in significantly larger range than the area. The area of slow motor units was similar to the area of fast resistant units, whereas their tensions differed significantly. The area depended mainly on the amplitude of contraction an...

BACKGROUND Higher animals generate an elaborate muscle-tendon network to perform their movements. To build a functional network, developing muscles must establish stable connections with tendons and assemble their contractile apparatuses. Current myofibril assembly models do not consider the impact of muscle-tendon attachment on myofibrillogenesis. However, if attachment and myofibrillogenesis ...

background programs to improve the pain and health status in illnesses with pain such as headache are still in their infancy. mindfulness-based stress reduction (mbsr) is a new psychotherapy that appears to be effective in treating chronic pain. objectives this study evaluated efficacy of mbsr in improving pain severity and mindful awareness in patients with tension headache. conclusions mbsr c...

this study investigated the prevalence rates of migrine and tension-type headaches among the students of Shiraz university of medical sciences during the academic year 1996-1997.the study was carried out cross-sectionally on a representative random sample of 310 students selected systematically.A semi structured questionnaire was used to screen headache among the students,applying the internati...

introduction: headache is a common complaint in children.uncertainties about definition and the absence of a diagnostic marker can make identification of headache types difficult.the objective of this study was to determine the frequency, duration, symptoms and aggravating factors of migraine and tension-type headaches in school children. materials and methods: a cross-sectional population-base...

PURPOSE Although the communication that occurs within health care teams is important to both team function and the socialization of novices, the nature of team communication and its educational influence are not well documented. This study explored the nature of communications among operating room (OR) team members from surgery, nursing, and anesthesia to identify common communicative patterns,...

This study explored sources of tension in the aging mother-adult daughter relationship. Forty-eight dyads of healthy mothers over the age of 70 years (mean age = 76 years) and their adult daughters (mean age = 44 years) were interviewed individually and then together about their relationship. Responses to questions about tension were coded as referring to intrusiveness, exclusion, inappropriate...

commercial detergents, in spite of their various names and marks, are used to remove foreign matter (dirt) from substrate. following removal of dirt from the surface, it is necessary to prevent redeposition, so the detergent must have supending power. in this experimental work, a simple method has been developed to evaluate the cleaning power of commercial detergents. the method, showing the ch...