Transcript Dr. Jack Huang - Department of Crop and Soil Sciences

Environmental Water Chemistry
@ Griffin
Qingguo “Jack” Huang
Department of Crop and Soil Sciences
University of Georgia
1
Laboratory
• Major Equipment
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HPLC/MS/MS
GC/MS
Scanning UV/Vis
Liquid Scintillation Counter
HPLC-PDA-Florescence
FTIR
Freeze dryer
Biological oxidizer
2
Group Members
• Ph.D. Students
• Rashmi Singh (2008-)
• Sudeep Sidhu (2008-)
• Lisa Luo (2011-)
• MS Students
• Liwen Zhang (2008-)
• Lisa Luo (2008-2010)
• Postdoc
• Junhe Lu (2007-2010)
• Visiting Ph.D. Students
• Liang Mao (Nanjing University) (2007-09)
• Lina Zhou (Northwest A&F University)
• Undergraduate Students
• Michelle Gerlosky 2008
• Matthew Aderhold 2011
• James Byrd 2011
3
General Theme
Chemical analysis
Molecular identification
Environmental
behaviors
Molecular basis
4
Research Area
Plant Materials
Catalysis
Nanoparticles
Emerging Contaminants
5
Emerging Contaminants: Enzyme catalysis
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without VA or NOM
with VA
with NOM
with VA and NOM
E2 Concentration (uM)
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16
12
8
4
0
0
0.5
3
5
10
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Reaction Time (min)
1.
2.
3.
4.
Mao et al. Environ. Sci. Technol., 2009
Mao et al. Environ. Sci. Technol., 2010
Lu J. et al. Environ. Sci. Technol., 2010
Lu J. et al. Environ. Sci. Technol., 2010
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30
60
90
Emerging Contaminants: PFOA
O
F
F
F
F
F
F
F
O
F
F
F
F
F
F
F
O
F
F
F
F
F
F
F
F
F
+ CO2
C
F
F
F
F
F
DoD SERDP, $150,000, PI Huang
F
Remediation of Perfluoroakyl Contaminated
Aquifer using an In-Situ Two-Layer Barrier:
Laboratory Batch and Column Study
F
O
F
F
F
F
F
F
+F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
+
C
F
F
F
F
F
Flow
F
Sands
F
CaO2 + Sands
F
F
F
F
F
+F
F
Colosi et al., 2009, Environ. Toxi. Chem.
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Sands-enzyme
Carbon Nanotubes
SEM (140,721 x).
TEM8(100K x).
HRTEM (300K x).
EPA STAR Grant ($383,376)
Environmental Behaviors of
Solubilized Carbon Nanotubes
in Aquatic Systems:
Transformation, Sorption, and
Toxicity Exposure
833321
PI Qingguo Huang
Co-PIs Marsha Black, Zhengwei Pan
0.5
Blank 0 mM
Blank 4 mM
Blank 40 mM
DOM 0 mM
DOM 4 mM
DOM 40 mM
Settled MWNTs (mg)
0.4
 Phase Distribution
 Transformation
 Bioavailability to fish
1.
2.
3.
4.
0.3
0.2
0.1
0.0
-0.1
0
10
20
30
40
Aqueous MWNTs (mg/L)
Petersen et al. 2008, Environ. Sci. Technol.
Petersen et al., 2008, Environ. Health Persp.
Liu X.Y. et al., 2009, Environ. Sci. Technol.
Zhang L. et al., 2011, Environ. Sci. Technol.
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50
60
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Iron Nanoparticles
Without Iron
With Iron
1.0
0.8
0.6
0
1
2
3
-0.1
Ln(C/C0)
C/C0
t (hrs)
0.0
0.4
-0.2
-0.3
0.2
Ln(C/C0) = -0.0849t
R2 = 0.9209
-0.4
0.0
0
1
2
Time (hours)
1.
2.
3.
4.
Huang et al. 2008, Environ. Sci. Technol.
Xiao et al. 2009, ACS Applied Materials
Shen M. et al. 2009, J. Phy. Chem.
Xiao et al. 2010,20nm
J. Materials Chem.
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3
4
4
A novel Bio-dethatch Approach
U.S. provisional patent
“Methods and compositions using fungal
laccases to reduce turf thatch (61/388,160).
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Publications & Grants @ UGA
• 22 peer-reviewed journal articles (12 as senior
authors
• Grants
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EPA STAR ($383, 376), PI
DoD SERDP ($150,000), PI
GCSAA ($40K), PI
EPA region 4 ($67,615), Co-PI
GA EPD ($25K), Co-PI
Sea Grant ($150K), Co-PI
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Collaboration and Service
• Collaborators
• UGA (in/outside department), outside UGA
• Affiliations
• UGA (NanoSEC, Tox, Engineering)
• Professional (SSSA, ACS)
• Committees
• Interdisciplinary toxicology program graduate admission
committee (2010-)
• Griffin Campus Laboratory Safety Committee Chair (2011-)
• Griffin Campus Employee Council Member (2008-10)
• Griffin Campus Visitors Housing Committee Member (2009-)
• CAES Faculty Affair and Grievance Committee member (2008-)
• CAES Griffin Campus Scholarship Review Committee member
(2010-)
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Professional Activities
• Manuscripts review (47 since 2007)
• Meeting presentations
• 21 total by members from my group (7 SSSA, 5 ACS)
• 12 total by myself (2 SSSA, 2 ACS)
• Symposium Organization
• SSSA annual meeting, 2011, in process
“Environmental Fate, Transport, Transformation of Organic Contaminants in
Soil/Water Systems”
• Grants Review
• NSF Environmental Engineering (panel)
• United states-Israel Bi-national Science Foundation
• Scholarship Review
• EPA GRO graduate fellowship
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Professional Activities
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Invited talks
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Nanjing University, China, May 2007
Savannah River Ecology Laboratory, May 2007
Nanjing University, China, June 2009
Donghua University, China, June 2009
Queen’s University, Canada, March 2010
The Asia/Pacific chapter of the Society of Environmental
Toxicology and Chemistry 2010 Conference, Guangzhou,
China, June 2010
Shanghai Academy of Agricultural Sciences, Shanghai, China,
June 2010
Nanjing Agricultural University, Nanjing, China, June 2010
Jiangnan University, Wuxi, China, June 2010
Donghua University, Shanghai, China, June 2010
Georgia Institute of Technology, October 2010
Michigan State University, December 2010
15
Recognitions
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Baiyulan award, 2010
Students honor
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First place student presentation, ASA - Southern Branch
meeting, 2011.
First place student poster presentation, SSSGA annual
meeting, 2011.
Second place student presentation, ACS 240th National
meeting, 2010
First place graduate student oral presentation, C-05 Industry
Division, ASA meeting, 2010
Second place student presentation, Combined Carolinas and
Georgia SECTAC Annual meeting, 2010
Second place poster presentation award at AWWA annual
meeting, 2008.
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Teaching & Extension
• Teaching
• Introduction to Water Quality (1.95, 1.15, 1.32)
• Chemical Analysis of Environmental Samples (1.60,
1.58)
• Extension
• GGCSA/USGA
• Georgia turf field day
• Griffin water works
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Thanks!
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