There are only a handful reports about the sensor systems having the ability of detecting the existence of the noble gases. Chemical reluctance of these gaseous species causes them to have no chemical interactions like hydrogen bonding with the chemically designed nano-sized sensors. Noble gasses usually have no atomic charges nor do change the total polarity of the molecular sensor systems. Th...

Introduction: Chondrules were formed by rapid cooling of silicate melt about 4.6 Ga, and have held their spherical shapes until to the present. Chondrules are free from trapped noble gases [e.g., 1], which is believed to be due to complete degassing during the chondrule formation. Owing to the absence of trapped noble gases, cosmogenic noble gases can be detected clearly. Cosmogenic noble gases...

Introduction: Chondrules are free from trapped noble gases [e.g., 1], which is attributed to complete degassing during the chondrule formation. However, Okazaki et al. [2] discovered the Ar-rich trapped noble gases in enstatite chondrite chondrules. The Ar-rich gases were formed via incomplete degassing (He and Ne depletion) of implanted solar gases during the chondrule formation [2]. Since sol...

Noble gases have attributes and properties that make them very attractive as tracers for fluid movement and reservoir processes. Noble gases are non-reactive and most of them have no sinks or sources in the subsurface, rendering them conservative. They occur naturally in waters that have been in contact with the atmosphere in concentrations that depend on their solubilities. As solubilities are...

Noble gases seem to have no significant effect on the anesthetic targets due to their simple, spherical shape. However, xenon has strong narcotic efficacy and can be used clinically, while other noble gases cannot. The mechanism remains unclear. Here, we performed molecular dynamics simulations on phospholipid bilayers with four kinds of noble gases to elucidate the difference of their effects ...

......................................................................................................................................... 1 Chapter 1: Introduction ............................................................................................................... 2 1.1. Background ..........................................................................................................

Marrocchi et al. (2005) reported that low-temperature fractions of heavy noble gases were largely removed upon pyridine treatment of the Orgueil CI meteorite. As pyridine is known to induce the swelling of the macromolecular network of organic matter, they concluded that the low-temperature phase Q is macromolecular organic carbon. However, Busemann et al. (2008) showed that pyridine had no sig...

Introduction: Trapped noble gases were discovered in chon-drules by laser microprobe noble gas analysis [1-3]. The observed noble gases were explained by solar gas acquisition in dust grains before the chondrule formation [1-3]. These results show importance of trapped noble gases in chondrites to understand environment and formation processes of chondrules. We performed the laser microprobe no...

available online at http://meteoritics.org 747 © Meteoritical Society, 2003. Printed in USA. Noble gases in Muong Nong-type tektites and their implications Sayaka MIZOTE,1 Takuya MATSUMOTO,1 Jun-ichi MATSUDA,1* and Christian KOEBERL2 1Department of Earth and Space Science, Graduate School of Science, Osaka University, Toyonaka, Osaka 560–0043, Japan 2Department of Geological Sciences, Universit...