Fig. 2.--1. Microspectrograph. 2. Hand-operated indicator. 3, 4. Function transforming unit. 5,
7; 8, 10; 9, 11. Speedomax Xi-Xz-recorder. 6. Multiplying poteutiometer. Transformed …

CURVES giving the light transmission along a measuring line traversing a microscopic
object are obtained with the recording ultramicrospectrophotometers [l, 2, 4, 51. These …

SINCE Caspersson's pioneer work in the field of microspectroscopy, several complex
electrical and optical instruments have been devised in order to study the absorption of …

A scanning microspectrophotometer controlled by a small digital computer is used to
produce data which is analysed using a larger, remote digital computer. Programs have …

Because of the absence of suitable standards, microspectrophotometry suffers from a lack of
objective verification. An approach to this problem is suggested which is based on the …

I It-N u ra microspectrophotometric work for quantitative purposes the measuring instruments
must fulfil a large number of requirements. These have been described earlier (1). Hitherto …

The design of a scanning and integrating microspectrophotometer for studying the
absorption of tissue cells in the wavelength region 2200 to 7000 A is described. The …

THE study of various problems with ultramicrospectrographic procedures very often
necessitates the determination of the total content of a whole cell of a certain light absorbing …

In spite of a number of examples of the apparently successful application of the two-
wavelength method of microspectrophotometry to biological materials, a demonstration of …

The calculations required for two-wavelength measurements are time consuming and
laborious. In order to circumvent this limitation of the method, a set of tables which combined …