The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The photoconductivity of chloroplast films in the dry and the wet state has been investigated. These films were found to behave like typical semiconductors, in agreement with the results of Arnold and co-workers, who have used only dry films. It was found that a steady photocurrent produced in a chloroplast film by blue or red light, can be either stimulated or quenched—depending on the intensity...