After immunization with either live or heat-killed Salmonella typhimurium, mice responded with an extremely rapid production of bactericidal antibody which was correlated with the appearance of immunity to a heavy challenge dose (100 ld(50)) of the virulent bacteria. Inactivation of sera with mercaptoethanol along with Sephadex fractionation indicated that the observed bactericidal activity was...

Previous studies have reported enhanced vigilance for threat-related information in response to acute stress. While it is known that acute stress modulates sensory systems in humans, its impact on olfaction and the olfactory detection of potential threats is less clear. Two psychophysical experiments examined, if acute stress lowers the detection threshold for foul-smelling 2-mercaptoethanol. P...

Experiments are reported concerning both natural and specific antibody production in endotoxin-treated rats.

A modified rapid slide agglutination test for the presumptive identification of Brucella canis infection in dogs has been developed. The method required mixing 0.1 ml of canine serum with 0.1 ml of 0.2 M 2-mercaptoethanol solution. Equal volumes (0.05 ml) of the treated serum and the B. canis plate antigen were mixed. Agglutination results were read within 2 min. Clinical studies showed 100% ag...

background: bone marrow stromal cells (bmsc) are used as a source for cell therapy in different model for neurological disorder such as stroke and spinal cord injury. however, the transdifferentiation of bmsc into cholinergic phenotype requires more investigation. methods: bmsc were isolated from adult rats, pre-induced with β-mercaptoethanol (bme) and followed by nerve growth factor (ngf) indu...