Artificial human sera: a breakthrough?

Leukocyte antibodies in human sera and in immune rabbit sera.

Human Allergy to Mammalian Sera

Four patients allergic to many mammalian sera were found to have circulating, skin-sensitizing antibodies for these sera. A study of these antibodies by in vitro neutralization and subsequent local passive transfer showed that, in the case of each patient, one particular mammalian serum neutralized antibodies for all sera whereas other mammalian sera neutralized antibodies for themselves alone ...

Serologic Patterns of Human Sera

Certain of the serological factors which vary with the individual have been reported,t together with data supporting the idea that age, sex, and blood group differences show some correlation with the antibody titers measured. This supplementary note deals with one of the antigen-antibody systems included in the former study, the essential feature here being the significance of the host origin o...

Tearing: Breakthrough in Human Emotional Signaling

Tearing is not a benign secretory correlate of sadness or other emotional state, but a potent visual cue that adds meaning to human facial expression, the tear effect. Although tearing (lacrimation) provides ocular lubrication and is a response to irritation in many animals, emotional tearing may be unique to humans and does not develop until several months after birth. This study provides the ...

Breakthrough to Nursing: a past Breakthrough chairperson looks back.