Studies of sebum. 5. The composition of some sebum-like materials of human origin

Studies of sebum. IV. The estimation of squalene in sebum and sebum-like materials.

Studies of Sebum. II. Some constituents of the unsaponifiable matter of human sebum.

as one of the major constituents, accounting for about 16% of the unsaponifiable matter and about 35% of the hydrocarbon fraction. Some preliminary chemical tests were made for the fatsoluble vitamins, and the presence ofa small amount of vitamin E in human sebum was reported. A more complete study of the unsaponifiable matter has now been made, and this material has been more thoroughly examin...

analysis of reading comprehension needs of the students of paramedical studies: the case of the students of health information management (him)

چکیده ندارد.

Studies of sebum. VIII. Observations on the squalene and cholesterol content and the possible functions of squalene in human sebum.

The object of our investigations has been to study the composition ofsebum and to elucidate its role in maintaining the health of the skin. In a previous paper on the hydrocarbons of sebum (Boughton, Hodgson-Jones, MacKenna, Wheatley & Wormall, 1955) we observed that the squalene content of sebum showed wide variations, both in samples collected from the same subject on different occasions and ...

the effect of authentic listening materials on the listening proficiency of efl learners in the intermediate level

having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...