Publications
Gu, B. and J. D. Coates. 2006.
Perchlorate Environmental Occurrence, Interactions and Treatment,
Springer,
Luo, W.; Gu, B. Dissolution and Mobilization of Uranium in a Reduced
Sediment by Natural Humic Substances under Anaerobic Conditions. Environ.
Sci. Technol. 2008, (in press).
Zhang, F.; Luo, W.; Parker, J. C.; Spalding, B. P.; Brooks, S. C.; Watson,
D. B.; Jardine, P. M.; Gu, B. Geochemical modeling of reactions and
partitioning of trace metals and radionuclides during titration of
contaminated acidic sediments. Environ. Sci. Technol. 2008,
42, 8007-8013.
Gu, B.; Ruan, C.; Wang, W. Perchlorate detection at nanomolar concentrations
by surface-enhanced raman scattering. Appl. Spectr. 2008, (in press).
Wang, W.; Liang, L.; Johs, A.; Gu, B. Thin films of uniform hematite
nanoparticles: controls on surface hydrophobicity and self-assembly. J.
Mater. Chem. 2008, (in press).
Yu, K.; Grabinski, C.; Schrand, A. M.; Murdock, R.; Wang, W.; Gu, B.;
Schlager, J.; Hussain, S. Toxicity of amorphous silica nanoparticles in
mouse keratinocytes. J. Nanopart. Res. 2008, (in press).
Cardenas, E.; Wu, W.; Leigh, M. B.; Carley, J.; Caroll, S.; Gentry, T.; Luo,
J.; Watson, D.; Gu, B.; Ginder-Vogel, M. A.;
Kitanidis, P. K.; Jardine, P. M.; Zhou, J.; Criddle, C.; Marsh, T.;
Tiedje, J. 2008. Microbial communities in contaminated sediments associated
with bioremediation of uranium to submicromolar levels. Appl.
Environ. Microbiol. 74,
3718-3729.
Wang, W.; Howe, J.; Gu, B. 2008. Structure and morphology evolution of
hematite (a-Fe2O3)
nanoparticles in forced hydrolysis of ferric chloride. J. Phys. Chem. C,
112:9203-9208.
Custelcean, R.; Jiang, D.; Hay, B. P.; Luo, W.; Gu, B. 2008. Hydrogen-bonded
helices for anion binding and separation. Crystal Growth Design. 8,
1909-1915.
Phillips, D. H., B. Gu, D. B. Watson, C. S. Parmele. 2008. Uranium removal
from contaminated groundwater by synthetic resins.
Water Research 42:260-268.
Ruan, C. M.; Wang, W.; Gu, B. 2007.
Determining uranium in environmental samples by surface-enhanced
Raman spectroscopy.
Anal. Chim. Acta.
605, 80-86.
Luo, W.; Zhou, J.; Wu, W.; Yan, T.; Criddle, C.; Jardine, P. M.; Gu, B.
2007.
Electron donor effects on bioreduction rates of uranium and microbial
community under varying bicarbonate and sulfate conditions. Appl.
Microbiol. Biotech. 77, 713-721.
Gu, B. H.; Brown, G. M.; Chiang, C. C. Treatment of perchlorate-contaminated
groundwater using highly selective, regenerable ion-exchange technologies.
Environ. Sci. Technol.
2007, 41, 6277-6282.
Wang, W.; Gu, B.; Liang, L.
2007. Effect of anionic surfactants
on synthesis and self-assembling of silica colloidal nanoparticles. J.
Coll. . Inter. Sci. 313, 169-173.
Wu, W.; Carley, J.; Luo, J.; Ginder-Vogel, M. A.; Cardenas, E.; Leigh, M.
B.; Hwang, C.; Kelly, S. D.; Ruan, C.; Wu, L.; Nostrand, J. V.; Gentry, T.;
Lowe, K.; Mehlhorn, T. L.; Caroll, S.; Luo, W.; Fields, M. W.; Gu, B.;
Watson, D.; Kemner, K.; Marsh, T.; Tiedje, J.; Zhou, J.; Fendorf, S.;
Kitanidis, P. K.; Jardine, P. M.; Criddle, C.
2007. In situ bioreduction of uranium (VI) to submicromolar levels
and reoxidation by dissolved oxygen. Environ. Sci. Technol. 41,
5716-5723.
Ruan C. M., Gu B., Eres G., Wang W., and Zhang Z. (2007) Controlled
fabrication of nanopillar array substrates for surface-enhanced Raman
spectroscopy. Langmuir, 23, 5757-5760.
Ruan C. M., Wang W., and Gu B. (2007) Single-molecule detection of thionine
on aggregated gold nanoparticles by surface enhanced Raman scattering. J.
Raman Spectr. 38, 568-573.
Luo J., Wu W. M., Carley J., Ruan C., Gu B., Jardine P. M., Criddle C., and
Kitanidis P. K. (2007) Hydraulic performance analysis of a multiple
injection-extraction well system. J. Hydrol., 336, 294-302.
Gu, B.; Ruan, C.
2007. Determination of technetium
and its speciation by surface enhanced Raman spectroscopy. Anal. Chem,
79, 2341-2345.
He Z., Gentry T., Schadt C. W., Wu L., Liebich J., Chong S. C., Huang Z. J.,
Wu W., Gu B., Jardine P. M., Criddle C., and Zhou J. (2007) Geochip: a
comprehensive microarray for investigating biogeochemical, ecological, and
environmental processes.
ISME,
1, 67-77.
Kim, S. H., Kim, K., Gu, B., Lee, J., Wang, W., and Park, K. H. (2006).
Transport of ferrihydrite colloids in packed quartz sand media. J. Miner.
Soc. Korea 19(4), 231-238.
Zhao, K.; Xu, H.; Gu, B.; Zhang, Z.
2006. One-dimensional arrays of
nanoshell dimers for single molecule spectroscopy via surface-enhanced Raman
scattering. J. Chem. Phys. 125, 081102.
Bao, L.L., H. Yan, B. Gu, and S. Dai. 2006. Surface-enhanced Raman
scattering of uranyl-humic complexes using a silver-doped sol-gel substrate.
In Nuclear Waste Management:
Accomplishment of the Environmental Management Science Program. P. W. Wang
and T. Zachry, Ed.
ACS Symp. Ser.
No. 943,
American
Chemcial Society, Washington DC.
Wu, W., Carley, J., Fienen, M., Mehlhorn, T. L., Lowe, K., Nyman, J., Luo,
J., Genetile, M., Rajan, R., Wagner, D., Hickey, R., Gu, B., Watson, D.,
Cirpka, O. A., Kitanidis, P. K., Jardine, P. M., Criddle, C. 2006.
Pilot-scale in situ bioremediation of uranium in a highly contaminated
aquifer I: conditioning of a treatment zone. Environ. Sci. Technol.
40:3978-3985.
Wu, W., Carley, J., Gentry, T., Ginder-Vogel, M. A., Fienen, M., Mehlhorn,
T. L., Yan, H., Caroll, S., Page, M. N., Nyman, J., Luo, J., Genetile, M.,
Fields, M. W., Hickey, R., Gu, B., Watson, D., Cirpka, O. A., Zhou, J.,
Fendorf, S., Kitanidis, P. K., Jardine, P. M., Criddle, C. 2006. Pilot-scale
in situ bioremediation of uranium in a highly contaminated aquifer II:
Reduction of U(VI) and geochemical control of U(VI) bioavailability.
Environ. Sci. Technol.
40:3986-3995.
Ruan, C. M., Wang, W., Gu, B. 2006.
Detection of alkaline phosphatase using surface enhanced Raman spectroscopy.
Anal. Chem., 78:3379-3384.
Wang, W., Ruan, C. M., Gu, B. 2006. Development of gold-silica composite
nanoparticle substrates for perchlorate detection by surface-enhanced Raman
spectroscopy. Anal. Chim. Acta.
567,121-126.
Ruan, C. M., Wang, W., Gu, B. 2006. Surface-enhanced Raman scattering for
perchlorate detection using cystamine-modified gold nanoparticles. Anal.
Chim. Acta. 567,114-120.
Böhlke, J. K., Sturchio, N. C., Gu, B., Horita, J., Brown, G. M., Jackson,
W. A., Batista, J. R. 2005. Perchlorate isotope forensics. Anal. Chem.
77, 7838-7842.
Wang, W. and B. Gu 2005. New
surface-enhanced Raman spectroscopy
substrates via self-assembly of silver nanoparticles on surface
functionalized glass for perchlorate detection. Appl. Spectr.
59:1509-1515.
Wang, W.; Gu, B. 2005. Self-assembly of Two- and Three-Dimensional
Particle Arrays by Manipulating Hydrophobicity of Silica Nanoparticles,
J. Phys. Chem. B, 109 (47), 22175 -22180.
Gu, B. and Brown G. M. 2006. Field demonstration using highly selective,
regenerable ion exchange, and perchlorate destruction technologies for water
treatment. In Perchlorate Environmental Occurrence, Interactions, and
Treatment (ed. B. Gu and J. D. Coates), Springer: New York.
p253-278.
Gu, B. and Brown G. M. 2006.
Recent Advances in Ion Exchange for Perchlorate Treatment, Recovery and
Destruction.
In Perchlorate Environmental Occurrence, Interactions, and Treatment
(ed. B. Gu and J. D. Coates), Springer: New York.
p209-252.
Gu, B., Bonnesen P. V., Sloop F. V., and Brown G. M. 2005. Titanium
catalyzed perchlorate reduction and applications. In Perchlorate
Environmental Occurrence, Interactions, and Treatment (ed. B. Gu and J.
D. Coates), Springer: New York.
p373-388.
Sturchio, N. C., Böhlke, J. K., Gu, B., Horita, J., Brown, G. M., A. D.
Beloso, J., Hatzinger, P. B., Jackson, W. A., Batista, J. R. 2005. Stable
isotopic compositions of chlorine and oxygen in synthetic and natural
perchlorates. In Perchlorate Environmental Occurrence, Interactions, and
Treatment; Gu, B., Coates, J. D., Eds.; Springer: New York.
p93-110.
Gu, B.; Wu, W.; Ginder-Vogel, M. A.; Yan, H.; Fields, M. W.; Zhou, J.;
Fendorf, S.; Jardine, P. M.; Criddle, C. 2005. Bioreduction of uranium in a
contaminated soil column. Environ. Sci. Technol. 39:4841-4847.
Gu, B.; Yan, H.; Zhou, P.; Watson, D.; Park, M.; Istok, J. D. Humics impact
uranium bioreduction and oxidation. Environ. Sci. Technol.
2005, 39:5268-5275.
Zhou P. and Gu B. 2005. Extraction of oxidized and reduced forms of uranium
from contaminated soils: the effects of carbonate concentration and pH.
Environ. Sci. Technol.
39:4435-4440.
Wu, W., B. Gu, M.W. Fields, M. Genetile, Y. Ku, H. Yan, S. Tiquias, J.
Nyman, J. Zhou, P.M. Jardine, and C. Criddle. 2005. Uranium(VI) reduction by
denitrifying biomass. Bioremed. J. 9:49-61.
Kim, K., N. Rajmohan, H. J. Kim, S. H. Kim, G. S. Hwang, S. T. Yun, B. Gu,
M. J. Cho, and S. H. Lee. 2005. Evaluation of geochemical processes
affecting groundwater chemistry based on mass balance approach: A case study
in Namwon, Korea. Geochem. J. 39:357-369.
Delapp, R.C., E.J. LeBoeuf, J. Chen, and B. Gu. 2005.
Advanced thermal characterization
of fractionated natural organic matter. J. Environ. Qual.
34:842-853.
Gu, B., Y. K. Ku, and G. M. Brown. 2005. Sorption and desorption of
perchlorate and U(VI) by
strong-base anion-exchange resins.
Environ. Sci. Technol. 39, 901-907.
Zhou, P., H. Yan, and B. Gu. 2005. Competitive complexation of metal ions
with humic substances.
Chemosphere. 58:1327-1337.
Gu, B., J. Tio, W. Wang, Y. Ku, and
S. Dai. 2004. Raman
spectroscopic detection for perchlorate at low concentrations.
Applied Spect. 58:741-744.
Gu, B., Y. K. Ku, and P. M. Jardine. 2004. Sorption and binary exchange of
nitrate, sulfate, and uranium on an anion-exchange resin.
Environ. Sci. Technol. 38:3184-3188.
Shin W. T., Garanzuay, X., Yiacoumi, S., Tsouris, C., Gu, B., and
Mahinthakumar, G. (2004) Kinetics of soil ozonation: an experimental and
numerical investigation. J. Contam. Hydr. 72, 227-243.
Bao, H. and B. Gu. 2004. Natural perchlorate has its unique oxygen Isotope
signature. Environ. Sci. Technol.
38:5073-5077.
Wang,
W. and B. Gu, 2004. Preparation and characterization of high-concentration
monodisperse silver colloids. In
ACS
Symposium Series 878: Concentrated Colloidal Dispersion-Theory, Experiment
and Applications, (B. Markovic and P. Somasundaran, eds).
American Chemical Society. pp 1-15.
Wang, W., B. Gu, L. Liang, W. Hamilton, and D.J. Wesolowski. 2004. Synthesis
of rutile (alpha -TiO2) nanocrystals with highly controlled size and shape
by low temperature hydrolysis:
Effects of solvent composition. J. Phys. Chem. B. 108 (39),
14789-14792.
Wang, W., B. Gu, L. Liang, and W. Hamilton. 2004. Adsorption and structural
arrangement of cetyltrimethylammonium cations at the silica
nanoparticle–water interface. J. Phys. Chem. B. 108: 17477-17483.
Wang, W., B. Gu, and L. Liang. 2004.
Effect of surfactants on the formation, morphology and surface property of
synthesized SiO2 nanoparticles.
J. Disp. Sci. Technol.
25:593-601.
Wang W., Gu, B., Liang L., and Hamilton W. (2003) Fabrication of near
infrared photonic crystals using highly-monodispersed submicrometer SiO2
spheres. J. Phys. Chem. B.
107, 12113-12117.
Gu, B., S. C. Brooks, Y. Roh, and P. M. Jardine. 2003. Geochemical reactions
and dynamics during titration of a contaminated groundwater with high
uranium, aluminum, and calcium. Geochim. Cosmochim. Acta.
67, 2749-2761.
Gu, B. and J. Chen. 2003.
Enhanced microbial reduction of Cr(VI) and U(VI) by different natural
organic matter fractions.
Geochim. Cosmochim. Acta
67:3575-3582.
Wang W., B. Gu, L. Liang, and W. Hamilton. 2003. Fabrication of two- and
three-dimensional silica nanocolloidal particle arrays. J. Phys. Chem. B.
107:3400-3404.
Gu, B., W. Dong, G.M. Brown, and D.R. Cole. 2003. Complete degradation of
perchlorate in ferric chloride and hydrochloric acid under controlled
temperature and pressure.
Environ. Sci. Technol.,
37:2291-2295.
Gu, B.,
Y. K. Ku,
G.M. Brown.
2003.
Treatment of perchlorate-contaminated water using highly-selective,
regenerable ion-exchange technology: a pilot-scale demonstration.
Fed. Fac. Environ. J. 14:
75-94.
Phillips, D.H.,
B. Gu,
D.B. Watson, and Y. Roh. 2003. Mineralogical characteristics and
transformations during long-term operation of a zero-valent iron reactive
barrier. J. Environ. Qual.
32:2033-2045.
Chen, J., B. Gu, R. A. Royer, and W. D. Burgos. 2003. The roles of natural
organic matter fractions in chemical and microbial reduction of ferric iron.
Sci. Total Environ.
307:167-178.
Phillips, D.H.,
B. Gu,
D.B. Watson, and Y. Roh. 2003. Impact of sample preparation on mineralogical
analysis of zero-valent iron reactive barrier materials.
J. Environ. Qual.
32, 1299-2003.
Gu, B.,
Y. K. Ku,
G.M. Brown. 2002.
Treatment of perchlorate-contaminated water using highly-selective,
regenerable ion-exchange technology: a pilot-scale demonstration.
Remediation. 12: 51-68.
Gu, B., D.B.
Watson, D.H. Phillips, and L. Liang. 2002. Ch. 11. Biogeochemical,
mineralogical, and hydrological characteristics of an iron reactive barrier
used for treatment of uranium and other contaminants. In Groundwater
Remediation of Trace Metals, Radionuclides, and Nutrients, with
Permeable Reactive Barriers. D.L. Naftz, S.J. Morrison, J.A.
Davis,
C.C. Fuller (eds). Academic Press. pp. 305-342.
Gu, B., D.B. Watson, L. Wu, D.H. Phillips, D.C. White, and J.Z. Zhou.
2002. Microbiological characteristics in a zero-valent iron reactive
barrier. Environ. Monit. Assess.
77(3):293-309.
Korte, N.E., O.R. West, L. Liang, B. Gu, J.L. Zutman, and Q. Fernando. 2002.
The effect of solvent concentration on the use of palladized-iron for the
step-wise dechlorination of polychlorinated biphenyls in soil extracts.
Waste Manag. 22:343-349.
Gu, B., G.M. Brown, L. Maya, M. J. Lance, and B.A. Moyer. 2001. Regeneration
of perchlorate (ClO4-)-loaded anion exchange resins by
novel tetrachloroferrate (FeCl4 -) displacement
technique.
Environ. Sci. Technol.
35:3363-3368.
Gu, B.,
G. M. Brown, S. D. Alexandratos, R. Ober, J. A.
Dale, and S. Plant. 2000. Ch. 16. Efficient treatment of perchlorate
contaminated groundwater by bifunctional anion exchange resins. In
Perchlorate in the Environment, E. T. Urbansky, Eds. Kluwer
Academic/Plenum, New York. pp 165-176.
Liang, L., A. Hoffman, and B. Gu. 2000. Ligand-induced dissolution and
release of ferrihydrite colloids.
Geochim. Cosmochim. Acta.
64:2027-2037.
Phillips, D.H., B. Gu, D.B. Watson, Y. Roh, and S.Y. Lee. 2000. Performance
evaluation of a zero-valent iron reactive barrier: mineralogical
characteristics.
Environ. Sci. Technol.
34: 4169-4176.
Liang, L., N. Korte, B. Gu, R. Puls, and C. Reeter.
2000. Geochemical and microbiological reactions affecting the long-term
performance of in situ iron barriers. Adv. Environ. Res. 4:273-286.
B. Gu, J. Chen, M. A. Vairavamurthy, S. Choi, and P. G. Tratnyek. 2000.
Chemical and biological reduction of contaminant metals by natural organic
matter. The 220th American Chemical Society National Meeting. 40:36-40.
Chen, J., E.J.
LeBoeuf, S. Choi, and B. Gu. 2000. Spectroscopic characterization of
structural and functional properties of natural organic matter fractions.
The 220th American Chemical Society National Meeting. 40:438-441.
B. Gu,
Brown, G. M., Alexandratos, S. D., Ober, R., Patel, V. 1999.
Selective anion exchange resins for the removal of perchlorate (ClO4-)
from groundwater.
Oak Ridge National Laboratory, ORNL/TM-13753.
Gu, B.,
L. Liang, M. J. Dickey, X. Yin, S. Dai. 1998.
Reductive precipitation of uranium(VI) by zero-valence iron.
Environ. Sci. Technol.
32:3366-3373.
B. Gu, L. Liang, G.M. Brown, P.V. Bonnesen, B.A. Moyer, S.D. Alexandratos,
and Ober R. 1998. A field trial novel bifunctional resins for removing
pertechnetate (TcO4-)
from contaminated groundwater. Oak Ridge National Laboratory,
ORNL/TM-13593.
Gu, B.,
L. Liang, P. Cameron, O.R. West, and N. Korte. 1997. TCE and PCB degradation
by zero-valence iron in the presence of surfactant. Proceedings of the
International Containment Technology Conference and Exhibition, St.
Petersburg. pp. 760-766.
Gu, B.,
T. Mehlhorn, L. Liang and J. F. McCarthy. 1996.
Competitive adsorption, displacement, and transport of organic matter
on iron oxide: I. competitive adsorption.
Geochim. Cosmochim. Acta.
60:1943-1950.
Gu, B.,
T. Mehlhorn, L. Liang and J. F. McCarthy. 1996.
Competitive adsorption, displacement, and transport of organic matter
on iron oxide: II. displacement and transport.
Geochim. Cosmochim. Acta.
60: 2977-2992.
Gu, B.,
K. E. Dowlen, L. Liang, and J. L. Clausen. 1996.
Efficient separation and recovery of technetium-99 from contaminated
groundwater.
Separations Technol. 6:123-132.
Liang, L., B. Gu, and X. Yin. 1996.
Removal of technetium-99 from contaminated groundwater with sorbents
and reductive materials.
Separations Technol. 6:111-122.
B.
Gu, and R.L. Siegrist. 1996. Alkaline Dechlorination of Chlorinated Volatile
Organic Compounds.
Oak Ridge National Laboratory,
ORNL/TM-13263.
McCarthy, J. F., B. Gu, L. Liang, J. Mas-Pla, T. M. Williams, and T. J. Yeh.
1996. Filed tracer tests on the
mobility of natural organic matter in a sandy aquifer.
Water Resources Research.
32:1223-1238.
B. Gu and K. E. Dowlen. 1996.
An investigation of groundwater organics, soil minerals, and activated
carbon on the complexation, adsorption, and separation of technetium-99. Oak
Ridge National Laboratory,
ORNL/TM-13154.
Gu, B.,
O. R. West and R. L. Siegrist. 1995.
Using 14C-labeled radiochemicals can cause experimental
error in studies of the behavior of volatile organic compounds.
Environ. Sci. Technol.
29:1210-1214.
Gu, B.,
J. Schmitt, Z. Chen, L. Liang and J. F. McCarthy.
1995. Adsorption and desorption
of different organic matter fractions on iron oxide.
Geochim. Cosmochim. Acta.
59 (2):219-229.
Gu, B.,
J. Schmitt, Z. Chen, L. Liang and J. F. McCarthy. 1994.
Adsorption-desorption of natural organic matter on iron-oxide:
mechanisms and models.
Environ. Sci. Technol.
28:38-46.
B. Gu, J. L. Clausen, J. A. McDonald and J. F. McCarthy. 1994.
Assessment of the influences of groundwater colloids on the migration
of technetium-99 at the Paducah Gaseous Diffusion Plant site in Paducah,
Kentucky. Oak Ridge National
Laboratory, ORNL/TM-12747.
Gu, B.
and H. E. Doner. 1993.
Dispersion and aggregation of soils as influenced by organic and inorganic
polymers. Soil Sci. Soc. Amer. J.
57:709-716.
Liang, L., A. McNabb, J. Paulk, B. Gu and J. F. McCarthy. 1993.
Kinetics of ferrous iron oxygenation in the presence of natural
organic matter.
Environ. Sci. Technol.
27:1864-1870.
Gu, B.
and H. E. Doner. 1992. The interaction of polysaccharides with Silver-Hill
illite. Clays Clay Miner.
40:151-156.
Gu, B.
and L. E. Lowe. 1992. Observations on the effect of a soil polysaccharide
fraction on boron adsorption by clay minerals.
Can. J. Soil Sci. 72:623-626.
Gu, B.
and H. E. Doner. 1992. The microstructure of dilute clay and humic acid
suspensions revealed by freeze-fracture electron microscopy.
Clays Clay Miner. 40:246-250.
B. Gu and R. K. Schulz. 1991. Anion retention in soil: possible application
to reduce migration of buried technetium and iodine.
U. S. Nuclear Regulatory Commission, Washington, DC 20555.
NUREG/CR-5464.
Gu, B.
and L. E. Lowe. 1990. Studies on the adsorption of boron on humic acids.
Can. J. Soil Sci. 70:305-311.
Gu, B.
and H. E. Doner. 1990. Adsorption of hydroxy-Al polycations and
destabilization of illite and montmorillonite suspensions.
Clays Clay Miner. 38:493-500.