[Immunological indicators in chemical industry workers].

High level of sensibilization with chemical, pollen and other allergens and changes in immune status of significant part of the chemical industry workers in Stavropol Territory were noted. These changes were in a direct connection with the nature of chemicals.

[Proteolysis of horse blood serum proteins at various stages of antitoxic sera production by the Diaferm-3 method].

When preparing antitoxic sera by the method "Diaferm-3", it was found that proteolysis of the horse blood serum occurs not only at the fermentation step (pepsin treatment at the enzyme-substrate ratio of 1/10, t 20-23 degrees for an hour at pH 3.3 and for the next hour at pH 4.2), but also at the heat treatment step (45 min at pH 4.