When urea is added to Ureaplasma urealyticum, it is hydrolysed internally by a cytosolic urease. Under our measuring conditions, and at an external pH of 6.0, urea hydrolysis caused an ammonia chemical potential equivalent to almost 80 mV and, simultaneously, an increase in proton electrochemical potential (delta p) of about 24 mV with resultant de novo ATP… (More)
A noninvasive electromagnetic method has been developed that can effectively measure the in-vivo conductivity difference between rat tumor lines having a low and high metastatic potential. These tumor lines are used in the study of human prostate tumor.
Computer fitting techniques have been used to derive a new expression for the relationship between X-ray continuum intensity and atomic number for a range of electron accelerating potentials up to 25 kV, continuum energies up to 10 keV and average atomic numbers up to thirty. A practical approach to background corrections in energy dispersive electron… (More)
182 n early 2006, APL was awarded a contract to start the first phase of the Revolutionizing Prosthetics 2009 (RP2009) program, a multi-year, multi-million-dollar effort to develop an advanced upper-extremity prosthetic limb. This advanced limb would be designed to allow a user to button a shirt, tune a radio, and feel the warmth of a loved one's hand; such… (More)
The development of EDATA2 was stimulated by the proliferation of mixed energy dispersive/wavelength dispersive equipped electron microprobes. For such systems to be operated most efficiently and conveniently, a data reduction program is required that can handle energy-dispersive, wavelength-dispersive, or a mixture of both kinds of data. This requirement… (More)
A procedure and program are described for rapid, economical and simple production of fully quantitative, multi-element analyses from energy dispersive microprobe data. Methods are outlined for background shaping and scaling, comprehensive overlap correction, and adjustment for instrumental drift. Program facilities include the output of all coefficients… (More)
While the epidemiologic trends concerning alprazolam (Xanax) are unknown, the use of benzodiazepines, in general, has increased in popularity among youth within recent years. To shed light on the drug problem, the current pilot study used a qualitative approach to investigate relevant beliefs, norms, and perceived addiction associated with alprazolam… (More)