Interferometric and photometric measurements have been made on replicating embryo
human cell cultures. From a study of the relations between successive physical …

The observations indicate that there are substances other than DNA in the cell which absorb
ultraviolet light; differences have been observed in absorption rate from cell to cell and these …

Living cells grown in tissue culture have been irradiated with a narrow beam of soft X-rays of
effective diameter 2· 5 μ. The method has been used in conjunction with quantitative ultra …

Infra-red spectra have been obtained from small areas of tissue sections by the use of
areflecting microscop in conjunction with an infra-red spectrometer. Absorption bands …

Serial measurements of integrated ultraviolet absorbance of individual living cultured animal
cells are possible with a double‐beam scanning microscope designed to maximize the …

Ultraviolet Microscopy and Ultraviolet Microspectroscopy Page 1 Ultraviolet Microscopy and
Ultraviolet Microspectrosco] BY ELKAN R. BLOUT The Children's Cancer Research Foundation …

The adaptation of the Cooke, Troughton & Simms ultra‐violet microscope for quantitative
absorption measurements at a limited number of wave‐lengths in the ultra‐violet is …

Microscopy and microspectroscopy are popular techniques for chemical analysis of a
specimen having a micron to submicron distribution of material or material properties, such …

Out of the complex connections of biological problems arising after irradiation of cellular
objects, suppositions were made and therefore a few questions evaluated which permit …

A. Forer Page 1 688 A. Forer component of the grana of the higher plant chloroplast. Studies
at high resolution of the ultrastructure of the membranes of the mutant and normal chloroplasts …