Anxiety during the dental care of children aged 4 to 6 years over three consecutive visits.

Managing the anxiety of children during dental care is a major aspect of a pediatric dentist's work. Only a sparse body of literature is available regarding anxiety during dental care over consecutive visits. The purpose of the study was to investigate anxiety over three consecutive visits for pediatric dental treatment using an electrodermal activity (EDA) device.

High-tech breakthrough DNA scanner for reading sequence and detecting gene mutation. A powerful 1 lb, 20 micron resolution, 16-bit personal scanner (PS) that scans 17" x 14" X-ray film in 48 s, with laser, UV and white light sources.

The 17" x 14" X-ray film, gels, and blots are widely used in DNA research. However, DNA laser scanners are costly and unaffordable for the majority of surveyed biotech scientists who need it. The high-tech breakthrough analytical personal scanner (PS) presented in this report is an inexpensive 1 lb hand-held scanner priced at 2-4% of the bulky and costly 30-95 lb conventional laser scanners.

Crystallin mRNA product levels in lens undergoing reversal and inhibition of galactose cataracts.

In our previous work, two-dimensional gel electrophoretic analysis of the translational products from mRNA of lens from rats maintained on 50% galactose up to 45 days has suggested that synthesis of mRNA was not arrested by the disease process, but it decreased significantly relative to the control. The loss in mRNA number was due mainly to loss in cell population. Specifically, the gamma-crystallin mRNA product decreased to very low levels at onset of the disease.

Soft-laser scanning densitometry performed on a 35-mm slide illustrating SDS-PAGE separation of adenovirion polypeptides.

Virion polypeptides (35 S), methionine-labeled and purified by CsCl gradient centrifugation, were separated by SDS-gel electrophoresis. Analysis of their band pattern was performed by scanning the images of the SDS-gels shown on a 35-mm slide. The densitometric tracings revealed the presence of 17 protein bands, although only 15 of them were visible to the naked eye.