Title of Dissertation: DESIGN OF A LARGE BANDWIDTH SCANNING SQUID MICROSCOPE USING A CRYOCOOLED HYSTERETIC DC SQUID Soun Pil Kwon, Doctor of Philosophy, 2006 Dissertation directed by: Professor Frederick C. Wellstood Department of Physics I present the design and analysis of a large bandwidth scanning Superconducting Quantum Interference Device (SQUID) microscope. Currently available SQUID micr...

We have proposed and successfully demonstrated a two step method for localizing defects on an LSI chip. The first step is the same as a conventional laser-SQUID (L-SQUID) imaging where a SQUID and a laser beam are fixed during LSI chip scanning. The second step is a new L-SQUID imaging where a laser beam is stayed at the point, located in the first step results, during SQUID scanning. In the se...

Vibrio fischeri, a bioluminescent marine bacterium, exists in an exclusive symbiotic relationship with the Hawaiian bobtail squid, Euprymna scolopes, whose light organ it colonizes. Previously, it has been shown that the lipopolysaccharide (LPS) or free lipid A of V. fischeri can trigger morphological changes in the juvenile squid's light organ that occur upon colonization. To investigate the s...

The light-organ symbiosis of Euprymna scolopes, the Hawaiian bobtail squid, is a useful model for the study of animal-microbe interactions. Recent analyses have demonstrated that chitin breakdown products play a role in communication between E. scolopes and its bacterial symbiont Vibrio fischeri. In this study, we sought to determine the source of chitin in the symbiotic organ. We used a commer...

We show that the quantum properties of some Josephson SQUID devices are described by a boundary sine Gordon model. Our approach naturally describes multi-junction SQUID devices and, when applied to a single junction SQUID (the rf-SQUID), it reproduces the known results of Glazman and Hekking. We provide a detailed analysis of the regimes accessible to an rf-SQUID and to a two-Josephson junction...

INTRODUCTION ... 496 BIOCHEMI STRY 497 TAXONOMIC RELATIONSHPS OF LUMINOUS BACTERIA ................. 499 Marine Forms ............................................................. 499 Terrestrial and Freshwater Forms .......................................... 501 CONTROL OF THE SYNTHESIS AND ACTIVITY OF THE LUMINESCENT SYSTEM 501 Autoinduction ...... 501 Catabolite Repression .....................

The present study examined the effects of squid phosphatidylserine (Squid-PS) on the learning and memory function and the neural activity in rats with TMT-induced memory deficits. The rats were administered saline or squid derived Squid-PS (Squid-PS 50 mg kg(-1), p.o.) daily for 21 days. The cognitive improving efficacy of Squid-PS on the amnesic rats, which was induced by TMT, was investigated...

We present a theoretical model for two-dimensional (2D) superconducting quantum interference device (SQUID) and filter (SQIF) arrays with overdamped Josephson junctions uniform bias-current injection at 77 K. Our simulations demonstrate the importance of including Johnson thermal noise reveal that only SQUID-loops self-inductance contributions are importance. numerical results establish validit...