RFPG98M2–Close-up of temperature-controlled column compartment used to heat or cool samples for liquid chromatography. Liquid chromatography is used to separate compounds from a mixture of compounds dissolved in a liquid.
RM2AJHKN8–Smithsonian miscellaneous collections . eal filter, has certain advantages for an experiment of thisnature. By merely changing the temperature of the filters it waspossible to cover the entire spectral region of photosynthesis by usingtwo filters with different proportions of carbon disulphide and benzene.Tn the first experiment with these filters, four filters 6 inches in NO. 21 CO2 ASSIMILATION AND WAVE LENGTH HOOVER 3 diameter and 2 inches thick were used in order to illuminate the plantson four sides. The temperature of the filters was controlled by placingthem in thermostated water baths.
RFPG98ME–Close-up of modules of a liquid chromatography machine. At centre right is a temperature-controlled column compartment used to heat or cool the samples. Liquid chromatography is used to separate compounds from a mixture of compounds dissolved in a liquid.
RMRJNE14–. Bacterial photosynthesis. Bacteria -- Physiology; Photosynthesis. 170 METABOLISM AND PHYSIOLOGY. 4 6 Minutes Fig. 5. Kinetics and Efficiency of Aerobic Phosphoryla- tion—An incubation mixture (see experimental procedure) was warmed for five minutes at 30°C (in the absence of enzyme). An aliquot was withdrawn and acidified with TCA (zero time), and the reaction was initiated by adding enzyme (26 jug of a sucrose fraction in a final incubation volume of 734 /il). Optical density at 340 m^ was followed (30°C,thermostated cuvette compartment) and at intervals aliquots were withdrawn and acidifie
RMRHKW82–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. PORICHTHYS PHOTOPHORE EXCITATION 17 100 /A) arranged in a chamber as shown in Figure 1. This is a double chamber: part A is a hollow cylinder 1 cm high, 2 cm inner diameter and 3.5 cm outer diameter, with a 4 mm diameter hole drilled in the base. A thermostated fluid flow's through the space between the inner and outer walls. Part B is a lucite cylinder hollowed out in order to contain part A to a depth of 5 mm. Two grooves in the floor hold the electrodes. When the two parts are fitted together as shown in Figure 1C, the ph
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