Lena Q. Ma

Professor
Biogeochemistry of Trace Metals

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DEPARTMENTAL RESEARCH AREAS
Remediation of Contaminated Soils, Waters, and Aquifers

RESEARCH FOCUS
1. Phytoremediation and chemical remediation of trace-metal-contaminated water, soils, and wastes
2. Land-application and disposal of non-hazardous wastes
3. Biogeochemistry and speciation of trace metals in water-soil system
4. Chemical equilibria of trace metals in soils, their bioavailability to plants and mechanisms controlling their solubilities in soils

COURSES TAUGHT
CWR 6252 - Environmental Biogeochemistry of Trace Metals (co-teaches)
SWS 6262 - Soil Contamination and Remediation

SELECT PUBLICATIONS
Fan, J., Z. He, L.Q. Ma, et al.  2012.  Calcium water treatment residue reduces copper phytotoxicity in contaminated sandy soils.  J. Haz. Mat.  199:375-382

Gonzaga, M.I.S, L.Q. Ma, E.P. Pacheco, W.M. Santos.  2012. Predicting arsenic bioavailability to hyperaccumulator Pteris vittata in arsenic-contaminated soils.  Int. J. Phytoremediation.  14: 939-949.

Zhu, Y, L.Q Ma, B. Gao, J.C. Bonzongo, W. Harris and B. Gu.  2012. Transport and interactions of kaolinite and mercury in saturated sand media.  J. Haz. Mat.  213:93-99

Cao, X., L.Q. Ma, Y. Liang, B. Gao, and W. Harris.  2011.  Simultaneous immobilization of lead and atrazine in contaminated soils using dairy-manure biochar.  Environmental Science Technology.  45: 4884–4889.

Dong, X., L.Q. Ma, Y. Li.  2011.  Characteristics and mechanisms of hexavalent chromium removal by biochar from sugar beet tailing.  J. Haz. Mat.  190:909–915.

Fan, J., Z. He, L.Q. Ma, Y. Yang, X. Yang, and P.J. Stoffell.  2011.  Immobilization of copper in contaminated sandy soils using calcium water treatment residue.  J. Haz. Mat.  189:710–718.

Fan, J., Z. He, L.Q. Ma, and P.J. Stoffell.  2011.  Accumulation and availability of copper in citrus grove soils as affected by fungicide application.  J Soils Sediments 11:639–648.

Fayiga, A.O., U. Saha, X. Cao and L.Q. Ma.  2011.   Chemical and physical characterization of lead in three shooting range soils in Florida.  Chemical Speciation Bioavailability. 23:148-154.

Gao, B., Y. Dong, Y. Luo, and L.Q. Ma.  2011. Colloid deposition and release in soils and their association with heavy metals.Critical Review Environ. Sci. Technol.  41:336-372.

Ghosh, P, B. Rathinasabapathi and L.Q. Ma.  2011.  Arsenic-resistant bacteria solubilized arsenic in the growth media and increased growth of arsenic hyperaccumulator Pteris vittata L.  Bioresource Technology.  102:8756-8761.

Hao, C., B. Gao, H. Li, and L.Q. Ma.  2011.  Effects of pH and ionic strength on sulfamethoxazole and ciprofloxacin transport in saturated porous media.  J. Contaminant Hydrology.  126: 29-36.

Mathews, S., B. Rathinasabapathib, and L.Q. Ma.  2011.  Uptake and translocation of arsenite by Pteris vittata L.: effects of glycerol, antimonite and silver.  Environ. Pollution.  159:3490-3495.

Natarajan, S., R.H. Stamps, L.Q. Ma, U.K. Saha, D.Hernandez, Y. Cai, E.J. Zillioux.  2011. Phytoremediation of arsenic-contaminated groundwater using arsenic hyperaccumulator Pteris vittata: Effects of frond harvesting regimes and arsenic levels in refill water.  J. Haz. Mat.  185: 983–989.

Tu, S., L.Q. Ma, and B. Rathinasabapathi.  2011.  Characterization of phytase from three ferns with differing arsenic tolerance.  Plant Physiology Biochemistry.  49:146-150.

Zeng, X., L.Q. Ma, R.-L. Qiu, and Y.-T. Tang.  2011.  Effect of Zn on plant tolerance and non-protein thiols accumulation in Zn hyperaccumulator Arabis paniculata Franch.  Environ. Exp.
Bot.  70: 227–232.

Wang, X., Ma, L.Q., Rathinasabapathi, B., Cai, Y., Liu, Y., Zeng, G.  2011.  Mechanisms of efficient arsenite uptake by arsenic-hyperaccumulator Pteris vittata.  Environmental Science Technology.  45: 9719–9725.

CONTACT INFORMATION
Soil and Water Science Department, 2181 McCarty Hall, PO Box 110290, University of Florida, Gainesville, Florida 32611
(352) 294-3135, (352) 392-3399 fax
email: lqma@ufl.edu
Full Curriculum Vitae