N-doping of graphene through electrothermal reactions with ammonia

X Wang, X Li, L Zhang, Y Yoon, PK Weber, H Wang… - science, 2009 - science.org
Graphene is readily p-doped by adsorbates, but for device applications, it would be useful
to access the n-doped material. Individual graphene nanoribbons were covalently …

Mineral protection of soil carbon counteracted by root exudates

…, JJ Bougoure, PS Nico, J Pett-Ridge, PK Weber… - Nature Climate …, 2015 - nature.com
Multiple lines of existing evidence suggest that climate change enhances root exudation of
organic compounds into soils. Recent experimental studies show that increased exudate …

Advances in imaging secondary ion mass spectrometry for biological samples

SG Boxer, ML Kraft, PK Weber - Annual review of biophysics, 2009 - annualreviews.org
Imaging mass spectrometry combines the power of mass spectrometry to identify complex
molecules based on mass with sample imaging. Recent advances in secondary ion mass …

A bacterium that can grow by using arsenic instead of phosphorus

…, SE Hoeft, J Pett-Ridge, JF Stolz, SM Webb, PK Weber… - Science, 2011 - science.org
Life is mostly composed of the elements carbon, hydrogen, nitrogen, oxygen, sulfur, and
phosphorus. Although these six elements make up nucleic acids, proteins, and lipids and thus …

An arbuscular mycorrhizal fungus significantly modifies the soil bacterial community and nitrogen cycling during litter decomposition

…, J Pett‐Ridge, DJ Herman, PK Weber… - Environmental …, 2013 - Wiley Online Library
Arbuscular mycorrhizal fungi ( AMF ) perform an important ecosystem service by improving
plant nutrient capture from soil, yet little is known about how AMF influence soil microbial …

Extracellular proteins limit the dispersal of biogenic nanoparticles

JW Moreau, PK Weber, MC Martin, B Gilbert… - Science, 2007 - science.org
High–spatial-resolution secondary ion microprobe spectrometry, synchrotron radiation–based
Fourier-transform infrared spectroscopy, and polyacrylamide gel analysis demonstrated …

Phase separation of lipid membranes analyzed with high-resolution secondary ion mass spectrometry

ML Kraft, PK Weber, ML Longo, ID Hutcheon, SG Boxer - Science, 2006 - science.org
Lateral variations in membrane composition are postulated to play a central role in many
cellular events, but it has been difficult to probe membrane composition and organization on …

Linking microbial phylogeny to metabolic activity at the single-cell level by using enhanced element labeling-catalyzed reporter deposition fluorescence in situ …

…, T Lösekann, J Pett-Ridge, PK Weber… - Applied and …, 2008 - Am Soc Microbiol
To examine phylogenetic identity and metabolic activity of individual cells in complex microbial
communities, we developed a method which combines rRNA-based in situ hybridization …

Direct chemical evidence for sphingolipid domains in the plasma membranes of fibroblasts

…, J Zimmerberg, PK Weber… - Proceedings of the …, 2013 - National Acad Sciences
Sphingolipids play important roles in plasma membrane structure and cell signaling.
However, their lateral distribution in the plasma membrane is poorly understood. Here we …

[HTML][HTML] In search of the dead zone: use of otoliths for tracking fish exposure to hypoxia

…, J Mohan, Y Walther, A Nissling, PK Weber… - Journal of Marine …, 2015 - Elsevier
Otolith chemistry is often useful for tracking provenance of fishes, as well as examining
migration histories. Whereas elements such as strontium and barium correlate well with salinity …