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Intralesional bevacizumab treatment may increase duration of time between surgical procedures and decrease number of procedures per year, while improving voice QOL.

Data for the enthalpies for the solid-state transition and for melting, and the heat capacities, gained by the method of DSC calorimetry, are reported for the equimolar composition of NaN03-KN03 (drawsalt). The measurements of the meltlng-crystalllzatlon properties were extended to span the complete composition range of this binary system, and the results are correlated with the soUdus-Uqukfus lines of the phase diagram for this system. A limited series of measurements were also undertaken on the Influence of prolonged exposure to ambient air atmosphere of the drawsalt while In the molten state (at ~600 °C), and these results are also reported.

The fusion properties (melting point, enthalpy and entropy of fusion) of the eutectic LIF-NaF-KF and the heat capacity of this system In the poly crystalline state and In the molten state have been Investigated by the technique of hlgh-temperature differential scanning calorimetry. The fusion properties and heat capacities may be summarized as follows: mp 462 ± 2 °C; = 3.98 kcal mol"1; AS*. -5.42 eu; C.(soHd) -12.8218 -(9.851 X 10"3)f + (1.513 X 10-*)?•* and Cp(meK) = 9.8380 + (10.487 X 10"3) , both In cal mol"1 K \ respectively. The heat capacity temperature ranges are 57-450 °C (solid) and 475-590 °C (me#), and the accuracy limits for both the enthalpy and the heat capacities are ±2.0%. For conversion to SI units, 1 cal = 4.184 J.Hlgh-temperature thermodynamic data have been reported previously for UF, NaF, and KF but not for the ternary eutectic, LIF-NaF-KF (FLINAK). As part of our investigations of energy-related candidate salt systems using the technique of hlghtemperature differential scanning calorimetry (DSC), It was decided to extend the fluoride data to the ternary eutectic. Measurements were undertaken also on a series of eutectics that had been subjected to various me# pretreatments. These results, and a redetermination of the melting point of this eutectic, are reported herewith. Experimental SectionOur high-temperature differential scanning calorimetry facility has been described In detail elsewhere (1). The facility centers around a Perkin-Elmer DSC-Model 2 calorimeter, with ancillary microprocessor components and software for computer-assisted data acquisition, base-one corrections, and data analysis in enthalpy and heat capacity measurements (2). A quantitative and accurate small mass measurement capability completes the assembly. The latter, together with the sample capsules, and seal-press, was housed in a dry N2 atmosphere glovebag so that the final sample transfer and encapsulation could be completed In an Inert environment.Cross-check measurements for energy calibration were made with three metals, indium, tin, and lead, and two salt systems, KNOs and the UCI-KCI eutectic (3-5). The accuracy limits of the measurements thus established were as follows: temperatures, ±0.5 °C; heats of fusion, ±2%; heat capacities, ±2%.

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