Our cesium source patent is accepted and can be viewed online:


My PhD adviser and a dear friend, Christine Floss died unexpectedly on 19th April. I am deeply saddened by her loss. The cosmochemistry community will always remember her scientific accomplishments ( A personal tribute to this wonderful human being can be found here:

Graduation Ceremony


Jack Schlute became a member of CIA in March 2018. His research will focus on supernova modeling of presolar grains.Jack Schulte


Members of CIA had several presentations at the Lunar and Planetary Science Conference 2018. Ziliang Jin presented an excellent talk about water on Itokawa resulting in a lively discussion. See snapshots of tweets by microbloggers who highlighted the results. I presented two posters, one on diffusion dating of presolar grains and the other on identifying thiols (-SH) in situ of a carbonaceous chondrite. The former poster ( received considerable attention from the community.


Talk at the First Life Sciences Cafe Seminar Series:


Pictures from the 10th ASU SIMS workshop from 3-5 January 2018. Drs. Richard Hervig and Zan Peeters giving demonstrations on the ims 6f and NanoSIMS 50L.


Featured in ASU Now:


Dr. Zan Peeters joined my lab in SESE as an Assistant Research Scientist and NanoSIMS lab manager in October 2017.

Dr. Ziliang Jin joined my lab in SESE as a Postdoctoral Researcher in September 2017. His research work will focus on the study of volatile elements in anhydrous minerals from the asteroid Itokawa and other chondritic samples using the NanoSIMS 50L. Dr. Ziliang Jin


Article in UC Davis news:

National Science Foundation news release:

Featured in ASU Now:

Our paper on “Rapid cooling and cold storage in a silicic magma reservoir recorded in
individual crystals” was published in Science in June 2017:


My paper on sulfur speciation in carbonaceous chondritic meteorites (Meteoritics and Planetary Science) was published in Feb 2017:


Physicist, wine-maker, and friend Chris Loxton presented a talk titled “The science and art of wine-making” at the SESE colloquium on 11th January.img_2734


Hayabusa I, a JAXA mission to an asteroid Itokawa, was the first successful sample return mission from an Ordinary chondrite. Grains collected during this mission arrived Arizona State University for isotopic analysis on 9th January.


SESE Colloquium titled ‘Exploring Solar System History through Isotopic Analysis of Extraterrestrial Dust’ on 16th November, 2016

Invited talk titled ‘Exploring Solar System History through Isotopic Analysis of Meteorites’ at Lunar Planetary Laboratory in University of Arizona on 14th June, 2016

Featured in the EOS website:

Featured in ASU Now:

ASU scientists discover how blue and green clays kill bacteria:


Fall 2015 newsletter @ School of Molecular Sciences (Arizona State University):


ExMASS research program announces student winners:

Research by Bellaire High-school students (the kids I mentored!) will be displayed at the 2015 Exploration Science Forum at NASA Ames Research Center:


ASU Secondary Ion Mass Spectrometry facility receives million-dollar grant from the national Science Foundation:

ASU SIMS Facility shrinks geochemical analysis into the nanometer regime:

In the news - 1


Proposal to Nexus for Exoplanet System Science (NExSS) by University of Arizona (Co-I Bose) funded:


Invited Astrobiology Coffee Hour Talk on 29th October 2014 in Arizona State University

Invited talk titled `Presolar Minerals and Organics: Lessons Learnt’ at Lunar Planetary Laboratory in University of Arizona on 2nd September, 2014:

Invited talk titled `Physical Relics of our Solar System: Presolar Grains’ at Indian Institute of Science Education and Research, Pune, India on 6th March, 2014:


ASU Annual SIMS Workshop:

Invited talk titled `Investigation of Stardust with the NanoSIMS at ASU’ at the 2nd NanoSIMS Users Meeting in Lehrstuhl Freising Bodenkunde, Germany on 15th October, 2012

Invited talk titled `Carbonaceous Material in Primitive Chondrites’ at the Astrobiology coffee hour seminar series in Arizona State University on 14th March, 2012

Invited talk titled `Silicate Stardust in Primitive Chondrites’ at the NASA Johnson Space Center, Houston on 4th January, 2012


Invited talk titled `Stardust in Primitive Meteorites’ at the Institute of Meteoritics, Albuquerque on 9th February, 2011


Invited talk titled `NanoSIMS 50 at Washington University, St. Louis’ for the Course (L19-544) on Methods of Geochemistry on 18th November, 2010

Invited talk titled `Presolar Silicate and Oxide Grains in Meteorites’ at the Chicago Center for Cosmochemistry, Chicago on 4th November, 2010


First characterization of presolar grains using Auger Nanoprobe:


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