The determination of the vitamins A and E as well as of carotenes and lycopene is important
for studies of cardiovascular diseases and cancer. A method for laboratory routine is …

No other component of the microscope is as instrumental in determining the information
content of an image as the objective. The resolved detail, the contrast at which this detail is …

Reliable HPLC methods for the routine determination of vitamin A (only retinol, not the ester)
of beta-carotene and of vitamin E in plasma are described. The results found in 150 blood …

The Internet appears to offer psychologists doing research unrestricted access to infinite
amounts and types of data. However, the ethical issues surrounding the use of data and data …

Bd. 17. Germanische Elemente, SZ--Bd. 18. Anglizismen--Bd. 19. Orientalia--Bd. 20.
Entlehnungen aus den übrigen Sprachen--Bd. 21. Materialien unbekannten oder unsicheren …

Microscope objectives are perhaps the most important components of an optical microscope
because they are responsible for primary image formation and play a central role in …

Francis Bacon began defining scientific methodology in the early 17th century, and secondary
school science classes began to implement science labs in the mid-19th century. By the …

Erotic, sexual and marital images belong to the fundamental stock of human symbols for
commitment and union as well as for the endangering of such a union. Their inexhaustible …

Simple and proven techniques for the assay of the coenzyme stimulation of the erythrocyte
enzymes transketolase, glutathione reductase and glutamate oxaloacetate aminotransferase …

Application of computerized pulse polarography on a hanging drop to analysis of extremely
dilute solutions is demonstrated. An approximate theory is developed which shows that for …