Studies on ⁹⁰YCl₃ Colloid for Clinical Use

Guide to the use of statistical methods in clinical studies

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Use of optical tweezers for colloid science.

A space-borne optical tweezer apparatus for use with colloidal crystallization experiments has been characterized. The trapping force has been measured as a function of index mismatch between colloidal microspheres and the surrounding fluid and as a function of particle size. This work also presents a method to determine the refractive index of a colloidal microsphere, which is then used to cal...

Studies on the Ion-Droplet Mixed Regime in Colloid Thrusters

Studies on the Mucin Derived from Human Colloid Breast Carcinoma.

1. A non-diffusible mucoid, showing a single peak in the ultracentrifuge, was isolated from human colloid breast carcinoma by treatment with trypsin and pepsin. The material contained threonine, leucine (isoleucine), valine, proline, glycine and glutamic acid in the approximate molar proportions 5:1:1:2:1:1. Smaller amounts of aspartic acid and serine were also found. For each 5 threonine resid...

Performance Studies of a Colloid Thruster System

Preliminary results are presented, of measurements of thrust (T) and specific impulse (Isp), produced by a single emitter prototype colloid propulsion system. The development of the colloid thruster propulsion package at Stanford University is in preparation for flighttesting on a 20-kg university nanosatellite, to be launched in 2003. The half-kilogram Colloid Micro Thruster (CMT) package meas...