Role of hypermodified bases in transfer RNA. Solution properties of dinucleoside monophosphates.
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Anticodon↗
Biomedical subjects
M T Watts
Publications and source records attributed to M T Watts.
Relaxation training: effects on the communicative ability of aphasic adults.
A verbal test battery (VTB) of four 15-item tests was administered to 16 aphasic adults following a period of relaxation training and a control period. Results indicate that verbal communication of aphasic persons is positively influenced by relaxation training. Subjects had significantly higher overall VTB scores and naming test scores following relaxation. Findings are discussed in terms of the use of relaxation procedures as an adjunct to conventional language therapy approaches for the aphasic adult.
Adult↗
The pharmacokinetics of thiabendazole and its metabolites in an anephric patient undergoing hemodialysis and hemoperfusion.
The pharmacokinetics of thiabendazole and its metabolites were determined after the first dose and during hemodialysis and hemoperfusion in an anephric female patient treated for a strongyloides infection. The half-live, volume of distribution, and clearance for thiabendazole were 1.17 hour, 2.76 liters/kg, and 27.2 ml/min . kg, respectively. While thiabendazole and the 5-OH metabolite did not accumulate during multiple dosing, the glucuronide and sulfate esters accumulated extensively despite hemodialysis and hemoperfusion. Hemodialysis clearances for all compounds were poor. Hemoperfusion removal was much better but declined rapidly after the first hour. If rapid removal of thiabendazole and its metabolites is required, the hemoperfusion column should be changed hourly.
Adult↗
Evaluation of the Radiometer Ion Scanning System 820 for the analysis of lead in urine.
We have evaluated the application and performance characteristics of a system that utilizes potentiometric stripping analysis (PSA); an electrochemical technique recently proposed for use in the routine determination of lead in urine. Its advantages over current methods for urinary lead are its low cost and minimal requirements for sample pretreatment. We adapted the published procedure to enable the use of a single protocol over a wide lead concentration range (10-500 microgram/L). Using spiked urine pools, we found the precision and recovery to be acceptable for clinical usage over this range. A comparative study using individual spiked patient urines demonstrated good correlation with a bismuth hydroxide coprecipitation/atomic absorption (AA) procedure [Y (microgram/L, PSA) = -11 microgram/L + 1.10X (microgram/L, AA); S y times x = 32 microgram/L; Sa = 15 microgram/L; Sb = 0.08, N = 22]. Approximately 10% of the randomly chosen urines in this study exhibit negative interferences with the PSA method. However, these interferences were readily recognizable when using a standard addition technique to obtain concentrations from analytical signals, and were resolvable following either dilution with dilute acid or addition of Triton X-100. While we consider the system's performance characteristics acceptable, the length of time required for each urine lead determination (approximately 40 minutes) is a notable limitation to the routine clinical adoption of the instrument in its current configuration.
Electrochemistry↗
Convergence insufficiency in thyroid eye disease.
The incidence of convergence insufficiency in patients with thyroid ophthalmopathy and their response to convergence exercise is unknown. Twenty-seven consecutive patients with thyroid eye disease (TED) were evaluated prospectively. Six patients with symptomatic convergence insufficiency obtained varying degrees of subjective and objective benefit from treatment. None of the six had other TED-related complaints that required therapeutic intervention. The study findings should alert the clinician to consider convergence insufficiency in patients with TED and nonspecific ophthalmic symptoms.
Adolescent↗