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Maciel, Gary E. – Science, 1984
Examines recent developments in techniques for obtaining high-resolution nuclear magnetic resonance (NMR) spectra on solid samples, discussing the kinds of applications for which these techniques are well suited. Also discusses the characteristics of NMR of solids and generating magnetization for NMR in solids. (JN)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education

Gross, Michael L.; Rempel, Don L. – Science, 1984
Discusses the nature of Fourier transform mass spectrometry and its unique combination of high mass resolution, high upper mass limit, and multichannel advantage. Examines its operation, capabilities and limitations, applications (ion storage, ion manipulation, ion chemistry), and future applications and developments. (JN)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education

Rinehart, Kenneth L., Jr. – Science, 1982
Discusses reactions and characteristics of fast atom bombardment (FAB) mass spectroscopy in which samples are ionized in a condensed state by bombardment with xenon or argon atoms, yielding positive/negative secondary ions. Includes applications of FAB to structural problems and considers future developments using the technique. (Author/JN)
Descriptors: Biochemistry, Chemical Analysis, Chemistry, College Science

Budinger, Thomas F.; Lauterbur, Paul C. – Science, 1984
Reports on the status of nuclear magnetic resonance (NMR) from theoretical and clinical perspectives, reviewing NMR theory and relaxation parameters relevant to NMR imaging. Also reviews literature related to modern imaging strategies, signal-to-noise ratio, contrast agents, in vivo spectroscopy, spectroscopic imaging, clinical applications, and…
Descriptors: Chemical Analysis, Chemistry, Clinical Diagnosis, College Science

Rosencwaig, Allan – Science, 1982
Thermal features of and beneath the surface of a sample can be detected and imaged with a thermal-wave microscope. Various methodologies for the excitation and detection of thermal waves are discussed, and several applications, primarily in microelectronics, are presented. (Author)
Descriptors: College Science, Electronics, Higher Education, Laboratory Procedures

Busch, Kenneth L.; Cooks, R. Graham – Science, 1982
Desorption ionization (DI) is used to obtain mass spectra of molecules whose vaporization by heating may lead to thermal degradation. Discusses DI techniques, characteristics of DI mass spectra, ion production, current applications of DI in mass spectroscopy, developments in DI, and prospects for future evolution of new DI techniques. (Author/JN)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education