Current Lab Members

Past Lab Members

Kristen Ching

Chemistry, Class of 2007

Project:  Effects of drying and freezing on nanogoethite aggregation and metal uptake

Currently:  Pharm.D. candidate, University of Maryland-Baltimore

Stefanie Miller

Environmental Science, Class of 2007

Project:  Leaching of heavy metals in natural mine wastes as a function of particle size

Currently:  Research scientist, Aegis Sciences Corporation

Long Nguyen

Biology, Class of 2010

Project:  Distribution and characterization of heavy metals in mine wastes

Eric Sugihara

Biology, Class of 2009

Project:  Solubility of heavy metals from natural mine wastes in simulated lung fluid (SLF) and gastric fluid (SGF)

Currently:  M.D. candidate, Western University of Health Sciences

James Dale

Chemistry, Class of 2008

Project:  Effects of iron oxyhydroxide nanoparticle aggregation on metal adsorption and desorption

Curently:  Ph.D. candidate, Department of Geosciences, Virginia Tech

Suzie Shdo

Biology, Class of 2010

Project:  Arsenic speciation and bioaccessibility in mine wastes

Currently:  MPH candidate, Boston University

Reyn Ono

Chemistry, Class of 2007

Project:  Effects of drying and freezing on nanogoethite aggregation and metal uptake

Currently:  Pharm.D. candidate, UC San Francisco

Austen Brown

Biology, Class of 2008

Project:  Concentration-based uptake of As(V) onto iron oxyhydroxide particles

Ifey Asiodu

Post-Baccalaureate, 2006

Project:  pH-based uptake of Zn(II) onto iron oxyhydroxide particles

Junya Okada

Environmental Sciences, Class of 2005

Project:  Particle-size dependent metal concentrations trends in bulk mine wastes

Megan McKee Thomas

Bio-Chem Split, Class of 2007

Project:  Concentration- and pH-based metal uptake onto nanoparticles as a function of size

Currently:  OB/GYN Resident Physician at St. Vincent's Hospital

James (Kimo) Akau

Biology; Chemistry Minor, Class of 2010

Project:  Distribution and characterization of heavy metals in mine wastes

Currently:  Employed with USDA Forest Service’s More Kids in the Woods Initiative

Lauryn DeGreeff

Chemistry, Class of 2006

Project:  pH-based uptake of Cu(II) uptake onto iron oxyhydroxide nanoparticles

Currently:  Post-doctoral researcher, Counterterrorism and Forensic Science Research Unit, Federal Bureau of Investigation

Chris Lentini

Chemistry, Class of 2006

Project:  Heavy metal sequestration into nanogoethite with aging at elevated temps.

Currently:  Ph.D. candidate, School of Engineering and Applied Sciences, Harvard University

Brian Reinsch

Chemistry, Class of 2006

Project:  Oxidation state of zero valent iron (ZVI) nanoparticles

Currently:  Post-doctoral research fellow, EPFL

Kim Fuller

Biology, Class of 2008

Project:  Concentration-based uptake of Zn(II) onto iron oxyhydroxide particles

Jamie Ventura

Chemistry, Class of 2009

Project:  pH-based uptake of Zn(II) onto iron oxyhydroxide particles

Nathalie Petersen

Post-Baccalaureate, 2007

Project:  Solubility of heavy metals from natural mine wastes in simulated lung fluid (SLF)

Currently:  D.V.M. Candidate, LSU School of Veterinary Medicine

Kim Wilson

Political Science; Environmental Science minor, Sociology minor, Class of 2008

Project:  Statistical and spectroscopic analysis of heavy metals in mine wastes

Currently:  M.S. candidate, Department of Teacher Education, CSU-Long Beach

Ben Deeb

Political Science/Philosophy; Env. Sci. minor, Class of 2009

Project:  XRD analysis of mine waste size fractions, GIS mapping of mine sites

Currently:  K-6 science teacher, Star Education

Andrea Capranico

Film Master’s Program, Class of 2011

Project:  Effects of aggregation mechanism on surface area

Leah Cowburn

Post-Baccalaureate Program, 2010

Project: Size-dependent distribution of metals in mine wastes

Currently: D.V.M. candidate, Western University of Health Sciences

Kayleigh Hyde

Mathematics, Class of 2009

Project: Desorption of metals from nanoparticle aggregates as a function of salinity

Currently:  Studying mathematics at University of Hawaii Manoa

Ashley Higby

Biology, Class of 2009

Project:  Surface area trends in size-separated mine waste fractions

John Stegemeier

Chemistry, Class of 2010

Project:  Effects of iron oxyhydroxide nanoparticle aggregation on metal adsorption and desorption

Currently:  Ph.D. candidate, Civil and Env. Engineering, Carnegie Mellon University

Kevin Meston

Business, Class of 2012

Project: Size-dependent distribution of metals in mine wastes

Jose Membreno

Biochemistry, Class of 2013

Project:  Arsenic and mercury mobilization from mine sites during rain events

High School Interns

Michael Saenz

Troy High School, Class of 2008

Project:  Surface area variations in mine waste samples as a function of particle size

Currently:  Majoring in Business at UC Riverside

Jason Tran

Troy High School, Class of 2008

Project:  Statistical correlations of size-dependent mine waste concentration trends

Currently:  Majoring in Chemistry at UC Berkeley

Cristina Cano

Troy High School, Class of 2007

Project:  Ionic strength-based aggregation of nanoparticles and related metal uptake effects

Currently:  Majoring in Computer Science at UCLA

Henry Yan

Troy High School, Class of 2006

Project:  Nanoparticle dissolution under variable ionic strength conditions

Currently:  Majoring in Chemistry at UCSD

Kevin Nishida

Troy High School, Class of 2009

Project:  Real-time Cu(II) adsorption and desorption kinetics from iron oxyhydroxide nanoparticle aggregates

Currently:  Majoring in Neuroscience at UCLA

Pinting Chen

Fountain Valley High School, Class of 2010

Project:  Desorption of metals from iron oxyhydroxide aggregates as a function of salinity

Currently:  Attending Cal Tech in Fall 2010

Jonathan Vu

Woodbridge High School, Class of 2011

Project:  Surface area analysis of mine-impacted sediments

Michael Wahl

Troy High School, Class of 2011

Project:  Effects of grinding time on iron oxyhydroxide nanoparticle surface areas

Woojin Joo

Biochemistry, Class of 2012

Project:  Arsenic bioaccessibility at the Empire Mine, CA

Christina Chi

Post-Baccalaureate Pre-Health Program, 2011

Project:  Speciation of arsenic using EXAFS linear combination fitting

Rebecca Chesne

Biology, Class of 2014

Project:  Adsorption/desorption of metals onto iron oxyhydroxide nanoparticles

Briana Lieberman

Biology, Class of 2013

Project:  Adsorption/desorption of metals onto iron oxyhydroxide nanoparticles

Lena Buckendorf

Biology, Class of 2014

Project:  Arsenic bioaccessibility at the Empire Mine, CA

Ben Young

Troy High School, Class of 2012

Project: Sorption of arsenic to glass and plastic vessels as a function of initial concentration and time

Eric Young

Troy High School, Class of 2012

Project: Sorption of arsenic to glass and plastic vessels as a function of initial concentration and time

Natalie Kiwan

Studio Art; Environmental Science minor, Class of 2009

Project:  Distribution and characterization of heavy metals in mine wastes

Currently:  Teaching English in Japan

Jack Jacobs

Biology, Class of 2015

Project:  Real-time Cu(II) uptake to and desorption from iron oxyhydroxide nanoparticles

Dori Shoshan

Biology, Class of 2015

Project:  Particle size dependence on arsenic concentrations in Calico Mine tailings

Jessey Francies

Biology, Class of 2010, Health Sciences, Class of 2011

Project:  Leach extractions of arsenic-bearing mine wastes

Currently:  CDC Public Health Associate

Nicole Leslie

Biology, Class of 2009

Project:  Distribution and characterization of heavy metals in mine wastes

Currently:  Animal Keeper at Santa Ana Zoo

Jesi Mosolf

Environmental Science & Policy, Class of 2013

Project:  Arsenic bioaccessibility at the Empire Mine, CA

Morgan O’Donnell

Environmental Science & Policy, Class of 2013

Project:  Phagolysosomal simulant fluid extractions of inhalable mine waste particles

Randy Rosales

Biochemistry, Class of 2012

Project:  Arsenic and mercury mobilization from mine sites during rain events

Currently:  D.D.S. candidate, UC San Francisco

David Stack

Visual Arts, Class of 2010, Hazards and Global Environmental Change, Class of 2012

Project:  GIS mapping of arsenic at mine sites

Currently:  Research fellow at Center of Excellence in Earth Systems Modeling & Observations

Kevan O’Connor

Biochemistry, Class of 2014

Project:  Arsenic mobility and bioaccessibility at the Red Hill Mine, CA

Lillian Burns

Chemistry, Class of 2013

Project:  Adsorption/desorption of Cu(II) onto iron oxyhydroxide nanoparticles

Tyler Anthony

Environmental Science & Policy, Class of 2014

Project:  Spatial trends in arsenic concentration and bioaccessibility in mining regions

Roy Cho

Troy High School, Class of 2013

Project:  Size separation of Calico Mine tailings, statistical analysis of size-dependent trends in elemental concentrations

Chelsea Ngo

Chemistry, Class of 2013

Project:  Phagolysosomal simulant fluid extractions of inhalable mine waste particles

Kory Cablay

Biochemistry, Class of 2015

Project:  Size distribution of mine tailings in the Randsburg Historic Mining District, CA