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Search for Past Life on Mars: Possible Relic Biogenic Activity in Martian Meteorite ALH84001
High-resolution scanning and transmission electron microscopy study of surface textures and internal structures of selected carbonate globules show that the globules contain fine-grained, secondary phases of single-domain magnetite and iron sulfides. Expand
Angular Momentum: Understanding Spatial Aspects in Chemistry and Physics
Angular Momentum Operators and Wave Functions. Coupling of Two Angular Momentum Vectors. Transformation under Rotation. The Coupling of More than Two Angular Momentum Vectors. Spherical TensorExpand
Nanoparticle PEGylation for imaging and therapy.
A background to investigators new to stealth nanoparticles is presented, and some key considerations needed prior to designing a nanoparticle PEGylation protocol and characterizing the performance features of the product are suggested. Expand
A monomeric G protein-coupled receptor isolated in a high-density lipoprotein particle efficiently activates its G protein
It is demonstrated that a prototypical GPCR, the β2-adrenergic receptor (β2AR), can be incorporated into a reconstituted high-density lipoprotein (rHDL) phospholipid bilayer particle together with the stimulatory heterotrimeric G protein, Gs. Expand
Optical diagnostics of atmospheric pressure air plasmas
Atmospheric pressure air plasmas are often thought to be in local thermodynamic equilibrium owing to fast interspecies collisional exchange at high pressure. This assumption cannot be relied upon,Expand
Laboratory experiments of Titan tholin formed in cold plasma at various pressures: implications for nitrogen-containing polycyclic aromatic compounds in Titan haze
Titan, the largest satellite of Saturn, has a thick nitrogen /methane atmosphere with a thick global organic haze. A laboratory analogue of Titan’s haze, called tholin, was formed in an inductivelyExpand
Protein-inorganic hybrid nanoflowers.
A method is reported for creating hybrid organic-inorganic nanoflowers using copper (II) ions as the inorganic component and various proteins as the organic component to exhibit enhanced enzymatic activity and stability compared with the free enzyme. Expand
Current-monitoring method for measuring the electroosmotic flow rate in capillary zone electrophoresis
Capillary zone electrophoresis (CZE) is attracting much attention (1-4) as a new separation technique that can complement high-performance liquid chromatography (HPLC). In CZE a migration channel ofExpand
Comet 81P/Wild 2 Under a Microscope
The Stardust spacecraft collected thousands of particles from comet 81P/Wild 2 and returned them to Earth for laboratory study. The preliminary examination of these samples shows that the nonvolatileExpand
Microfluidic device for single-cell analysis.
A novel microfluidic device constructed from poly(dimethylsiloxane) using multilayer soft lithography technology for the analysis of single cells is developed, achieving significant improvements in reagent consumption, analysis time, and temporal resolution over macroscale alternatives. Expand