Organic Scintillators and Scintillation Counting

Preface

Section I. Special Papers

Liquid Scintillator Solvents

On an Empirical Correlation between Nuclear Geometry and Certain Spectroscopic Parameters of Aromatic Compounds

Vacuum Ultraviolet Excited Luminescence of Organic Systems: A Review

Techniques for the Study of Excimers

Picosecond Observations of Molecular Processes Using Laser Techniques

Oxygen Quenching of Electronically Excited Scintillators in Solution

Application of Scintillation Counters to the Assay of Bioluminescence

Radioassay of Infants, Adults, Large and Small Animals by Liquid Scintillation Counting

Comparative Studies on Sample Preparation Methods, Solutes, and Solvents for Liquid Scintillation Counting

Section II. Organic Scintillators

Part A. Theoretical

Scintillation Decay and Absolute Efficiencies in Organic Liquid Scintillators

Theoretical Calculations of Singlet-Singlet and Singlet-Triplet Radiative Lifetimes in Aromatic Hydrocarbons

From Ozone to the Peptide Linkage

Saturated Hydrocarbons as Donors in Electronic Energy Transfer Processes

Oxygen Quenching of Triplet States of Organic Phosphors in Dilute Solution

The Quantum Efficiency of Benzene as a Function of Temperature and Excitation Wavelength

Part B. Plastics

Effects of Pressure on the Energies of Low-Energy Singlet and Triplet States of Phenanthrene in Polymethylmetacrylate

Dose Rate Saturation in Plastic Scintillators

Light Transmission of Organic Scintillators

Part C. Energy Transfer and Excited State Reactions

Energy Transfer Studies on Bridged Molecules Containing p-Terphenyl

Population of Transfer States in Liquid Scintillators via a Temperature Study

The Photo-Oxidation of 2,5-Diphenyloxazole (PPO)

Excited State Formation in the Irradiation of 1,3-Cyclohexadiene

The Effect of Solvent Excimer Formation on the Process of Energy Transfer in Solution

Energy Transfer from Naphthalene to Other Organic Molecules in Liquid State under Ultraviolet Excitation

Part D. Quenching

The Effect of Oxygen on the Scintillation from Cyclohexane and Benzene Solutions of p-Terphenyl

Oxygen and Nitric Oxide Quenching of the Luminescence of Aromatic Hydrocarbons

Quantitative Measurement of Oxygen Quenching Effect

Through Darkest Quench with Analyser and Camera

Mass Measurements in a Liquid Scintillation Spectrometer: Quantitation of Sulfhydryl Moieties by Color Quenching

A Stereochemical Approach to Self Quenching Studies in Some Bridged p-Quaterphenyl Systems

Solute Optimization

Part E. Lifetimes and Chemistry

Lifetime, Fluorescence Efficiency, and Scintillation Studies on Some Trans-1,2-Diarylethylenes

The Scintillation and Fluorescence Properties of 2-(4-Biphenylyl)-4, 5, 9, 10-Tetrahydropyrene and 2, 2'-Bi(4, 5, 9, 10-Tetrahydropyrene)

Scintillation Decay Times and Relative Sensitivities with Ultraviolet Laser Excitation

New Techniques for Measuring Light Output and Decay Times for Scintillators

Part F. Excitons

Remarks on Photoconductivity in Organic Crystals

The Magnetic Field Dependence of the Triplet-Triplet Fusion Rate Constant for Anthracene in Solution

Excitons on Linear Chains

Part G. Excimers, Delayed Fluorescence, Phosphorescence, and Excited States

Electronic Excited States and Molecular Luminescence of Some Photobiological Molecules

Excimers as Localized and Delocalized States in Organic Solids

Delayed Fluorescence and Double-Photon Absorption in Solutions of Some Aromatic Hydrocarbons

Multiple Resonance Techniques and the Spectroscopy of the Triplet State

Phosphorescence due to Crystalline Defects

Section III. Liquid Scintillation Counting

Part A. Biological

Study of the Use of Bio-Solve Solubilizer with Biologically Significant Samples

Thiopental Levels in Canine Plasma and Urine during the First Half-Hour Post-Injection Period as Determined by Liquid Scintillation Counting and Gas Chromatography

The Use of the Liquid Scintillation Spectrometer for Measuring NADH and FMN by the Photobacterium Luciferase and ATP by the Firefly Luciferase

Tritium Oxide Movement in Body Water of Healthy and Paralytic Men

Liquid Scintillation Counting of Biological Materials: I. Solubilized Whole Blood

The Use of Liquid Scintillation Counting Methods for Study of Protein Synthesis by Treponema Pallidum

The Role of Liquid Scintillation Counting in the Investigation of M99(Reckitt) - A Revolutionary Veterinary Drug

Local Absorption of Low Energy Betas by Solid Supports: A Problem in Heterogeneous Counting

Part B. Counting Techniques

Absolute Counting of Low Energy Beta Emitters Using Liquid Scintillation Counting Techniques

Radioactive Gas Assay with Solid Plastic Scintillators

Precision of Some Quench Correction Methods in Liquid Scintillation Counting

Exchange Reactions for the Determination of Low Levels of Tritium in Aqueous Samples

A New Gelifying Agent in Liquid Scintillation Counting

New Method of Micro-Liquid Scintillation Counting in Plastic Minibags for H3, C14, and P32 Samples: Part I

New Procedure of Micro-Solid Scintillation Counting on Fluor-Coated Glass-Fiber Support in Plastic Minibags for H3, C14, S35, and P32 Samples: Part II

Part C. Cerenkov Counting

Performance Parameters of Selected Waveshifting Compounds for Cerenkov Counting

Application of Cerenkov Counting to Ion Transport Studies in Plants

Part D. Computer Programming

Investigation of a Commercial Liquid Scintillation Counter-Computer (Packard Tri-Carb Model 3380-544)

A Versatile Computer Oriented Liquid Scintillation Counting System Using the Double Ratio Technique

Chemical vs. Color Quenching in Automatic External Standard Calibration: Application of Empirical Observations in a Computer Program

An ALGOL Computer Program for the Computation of Quench Correction by Remote Terminal Using Punched Paper Tape

Part E. Oxidation Techniques

Preparing Samples for Liquid Scintillation Counting with the Packard Sample Oxidizer

An Analytical Study of the Peterson Combustion Apparatus

Part F. Alpha Counting

Discrimination between Different Alpha- and Beta-Emitters in Liquid Scintillation Counting Systems

Liquid Scintillation Counting of Alpha Emitting Isotopes

Absolute High Accuracy Counting of Alpha Particles in the Presence of Beta Radiation

Combination of Liquid Scintillation Counting and Solvent Extraction

Liquid Scintillation Counting Techniques for the Higher Actinides

Determination of 239Pu and 241Am in Animal Tissues by Liquid Scintillation Spectrometry

Part G. Applications

Low-Level Liquid Scintillation Counting and Evaluation of Counting Solutions of 14C and 3H

Relation between the Counting Efficiency of Beta-Emitters and the Quencher Concentration

Electronic Rejection of Optical Crosstalk in a Twin Phototube Scintillation Counter

A Study of Liquid Scintillation Counting Processes Using the Spectrofluorescence Technique

A Study of the Radioassay of Some β-Emitting Isotopes in Wool

Beta Emittor Identification by Quench Analysis

An Accurate, High Efficiency Radioassay Procedure for Carbon14 and Tritium Compounds Separated by Silica Gel Thin Layer Chromatography

Subject Index