title: A multifunctional recording spectrophotometer for the study of fluorescence, phosphorescence, and absorbance of biological materials at liquid-nitrogen temperatures.
mesh_terms: D000818:Animals; D001322:Autoanalysis; D002417:Cattle; D002736:Chloroplasts; D005069:Evaluation Studies as Topic; D005615:Freezing; D008163:Luminescent Measurements; D008722:Methods; D009584:Nitrogen; D010944:Plants; D012441:Saccharomyces cerevisiae; D012710:Serum Albumin, Bovine; D013050:Spectrometry, Fluorescence / Q000295:instrumentation*; D013053:Spectrophotometry / Q000295:instrumentation*; D013056:Spectrophotometry, Ultraviolet / Q000295:instrumentation*; D013696:Temperature
chemical_list: D012710:Serum Albumin, Bovine; D009584:Nitrogen