Robert Yu-Liang Ting

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Using affinity purified human immunodeficiency virus (HIV) reverse transcriptase the reaction assay conditions were determined. The optimum incorporation of dTMP into the (rA)n(dT)10 template with HIV reverse transcriptase required 6 mM MgCl2 and 80 mM KCl. The template specificity of HIV reverse transcriptase is quite different from those of the human(More)
The growth and development of inborn very low birth weight infants was evaluated in 50 of 60 survivors from 132 babies weighing less than or equal to 1,250 gm born July 1974 to December 1977. Mean +/- SE birth weight and gestation was 1,066 +/- 19.3 gm and 29.5 +/- 0.3 weeks, respectively, with 13 infants small-for-gestational age. Of the survivors, 26%(More)
Multi-layered transducer structures offer the potential of improved performance in terms of increased transmit sensitivity, greater bandwidth, and enhanced reception characteristics. Unfortunately, the successful design of such devices is often difficult, owing to the complex interaction between the active piezoelectric layers and passive intermediate(More)
An activity gel analysis was performed in order to examine the catalytically active component of human immunodeficiency virus (HIV) reverse transcriptase in purified enzyme preparations and HIV-infected cell extracts. Immunoaffinity purified HIV reverse transcriptase contains two proteins with molecular weights 66,000 and 51,000 in approximately equal(More)
An advanced configuration 1-3 piezocomposite, designated by its manufacturer as SonoPanel(TM), has been investigated for potential underwater acoustical applications. In-air electromechanical characteristics and in-water acoustical properties of the SonoPanel(TM) were experimentally examined. The in-air impedance measurement results showed the existence of(More)
Piezoelectric measurements were made on several copolymers of vinylidene fluoride and trifluorethylene having a vinylidene fluoride concentration in the range of 65-70%. The hydrostatic g constant showed only a slight dependence on pressure, and pressures up to 35 MPa caused no apparent loss of the piezoelectric activity. A significant increase in the value(More)