Publications & Patents-listed by author



Our research team has been very productive in publishing referred articles in highly reputable scientific journals.  
Publications with
images/PDF.gif can be down loaded as pdf files.

Publications from our groups

Appel- 5

Al Agely-1

Bondada- 4

Cao - 14

Chen, M - 11

Chirenje- 13

Dong- 1

Fayiga- 6

Gonzaga- 6

Hardison- 2

Kertulis- 3

Luongo- 1

Ma- 17

Mathews- 1

Melamed- 1

Rivero - 1


Singh, S- 3

Singh, N- 4

Srivastava- 5

Tu, C.- 5

Tu, M.- 5

Wang- 1

Wei- 1

Wu- 3

Xiao- 1











Publications from collaboration from other groups


Cai- 2

Chen, R- 1

Fitz- 1


Lombi- 1



Rockwood-- 1


Tan- 1


West - 1

Webb- 1

Zilloux- 1

Zhang- 3



IMAGES/bullet.gif     List of Referred Articles
        By year (reverse chronological order)
        By subject (alphabetical order)

IMAGES/bullet.gif     Appel, Christpher (Ph.D student -- 08/98 to 12/01)IMAGES/up.gif

 5     images/PDF.gif  Appel, C., L.Q. Ma, and D. Rhue.  2008.
        Sequential Sorption of Pb and Cd in Tropical Soils
        Environ. Pollution.  55:132-140. 

 4     images/PDF.gif  Appel, C., L.Q. Ma, R. D. Rhue and W. Reve.  2003.
        Selectivities of potassium/calcium and potassium/lead exchange in two tropical soils.
        Soil Sci. Soc. Am. J.  67:1707-1714.

3      images/PDF.gif  Appel, C., L.Q. Ma, D. Rhue, and E. Kennelley.  2003.IMAGES/up.gif
Determination of zero point of charge in soils and minerals: method comparison
113:77– 93.

2      images/PDF.gif  Appel, C., L.Q. Ma, D. Rhue, and W. Reve.  2002.
        Heats of K/Ca and K/Pb exchange in two tropical soils as measured by flow calorimetry
        Soil Sci.   167:773-781.

1      images/PDF.gif  Appel, C., and L.Q. Ma.  2002.
        Concentration, pH, and surface charge effects on Cd/Pb sorption in three tropical soils
        J. Environ. Qual.  31:581-589.

IMAGES/bullet.gif     Al Agely, Abid  (Senior Biologist -- University of Florida)IMAGES/up.gif

      images/PDF.gif  Al Agely, A.,  D.M. Sylvia, and L.Q. Ma  2005.
        Mycorrhizae increase arsenic uptake by hyperaccumulator Pteris vittata.
        J. Environ. Qual. 

IMAGES/bullet.gif     Banger, K (M.S. - University of Florida)IMAGES/up.gif

1      images/PDF.gif  Banger, K., G.S. Toor, T. Chirenje and L.Q. Ma. 2010.

      Polycyclic aromatic hydrocarbons in four urban land use soils of Miami, Florida

        Soil Sediment Contamination.  19:231–243.

IMAGES/bullet.gif     Bondada, Bhaskar  (post-doc -- 04/01 to 10/02)   IMAGES/up.gif

4      Bondada, B.R., R. S. Underhill, L.Q. Ma, M.R. Davidson, Y. Guyodo, R.S. Duran.   2007. 
        Spatial distribution, localization and speciation of arsenic in the hyperaccumulating fern (Pteris vittata l.)

        In P. Bhattacharya, A.B. Mukherjee and R.H. Loeppert (eds)
        Arsenic in Soil and Groundwater Environments: Trace Metals and Other Contaminants in Environment. 
        Elsevier Book Series.  Volume 9.  pp 299-314

3      images/PDF.gif  Bondada, B., C. Tu, and L.Q. Ma.
Surface structure and anatomical aspects of Chinese brake fern (Pteris vittata; Pteridaceae).
Brittonia.   58: 217-228.

2      images/PDF.gif  Bondada, B.R., S. Tu and L. Q. Ma.  2004. 
        Absorption of frond-applied arsenic by the arsenic hyperaccumulating fern Pteris vittata L.
        Sci. Total Environment.   332:61-70. 

1      images/PDF.gif  Bondada, B. and L.Q. Ma.  2002.
        Tolerance of heavy metals in vascular plants: arsenic hyperaccumulation by Chinese brake fern (Pteris vittata L.).    
        In Chandra and Srivastava (eds.) Pteridology in New Millennium. 
        Kluwer Academy Publishers.  pp. 397-420.

IMAGES/bullet.gif     Cai, Yong (Associate Professor -- Florida International University)IMAGES/up.gif

2      images/PDF.gif  Cai, Y., J. Su and L.Q. Ma.  2004.
        Low molecular weight thiols in arsenic hyperaccumulator Pteris vittata upon exposure to arsenic and other trace elements
        Environ. Pollution.  129: 69-78.

1      images/PDF.gif  Cai, Y. and L.Q. Ma.  2002.
Metal tolerance, accumulation and detoxification in plants with emphasis on arsenic in terrestrial plants.

        In Biogeochemistry of Environmentally Important Trace Elements
        Eds., Yong Cai and Olin Braids, Oxford University Press.  pp. 95-114.

IMAGES/bullet.gif     Cao, Xinde (post-doc -- 12/00 to 11/03)  IMAGES/up.gif

14   images/PDF.gif Cao, X. L.Q. Ma, and A. Shiralipour.  2010. 

Composting As-rich biomass of hyperaccumulator Chinese Brake Fern (Pteris vittata L.): mass reduction and arsenic transformation. 

Environ Sci Pollut Res.  17:586–594. 

13     images/PDF.gif Cao, X. L.Q. Ma, B. Gao, and W.G. Harris.  2009.

        Dairy manure-derived biochar effectively sorbs lead and atrazine
        Environmental Science & Technology.  43: 3285-3291.

12     images/PDF.gif  Cao, X.  A. Wabbi and Lena Q. Ma.  2009.

        Using phosphate rock to immobilize lead, copper, and zinc in contaminated soils
        J. Haz. Mat.  164
: 555-564.

11   images/PDF.gif  Cao, X., Lena Q. Ma, S. Singh, Q. Zhou. 2008.
        Phosphate-induced lead immobilization from different lead minerals in soils under varying pH conditions
        Environment Pollution.  152: 184-192

10   Xinde Cao and Lena Ma. 2007
        Transformation of lead bullets and phosphate-induced lead immobilization in shooting range soils.
        In R. H. Plattenberg (ed). Environmental Pollution: New Research. Nova Science Publishers, New York, pp. 99-119.

9      Cao, X.  D. Dermatas, G. Shen, and L.Q. Ma. 2005
        Lead contamination and immobilization at shooting range sites, p. 315–321. In A. Al-Tabbaa and J. A. Stegemann, eds.
        Stabilisation/Solidification Treatment and Remediation.
Taylor & Francis Group, London.

8      images/PDF.gif  Cao, X. and Lena Q. Ma.  2004.
        Effects of Compost and Phosphate on Plant arsenic Uptake from Soils near pressure-treated wood
        Environment Pollution.  132:

7      images/PDF.gif  Cao, X.  Lena Q. Ma, Dean Rhue, and Chip Appel.  2004.
        Mechanisms of Lead, Copper, and Zinc Immobilization by Phosphate Rock
        Environ. Pollution.  131:435-444.

6      images/PDF.gif  Cao, X.  Lena Q. Ma, and C. Tu.  2004.   IMAGES/up.gif
        Antioxidative responses to arsenic in arsenic-hyperaccumulator Chinese brake fern (Pteris vittata L.)
        Environ. Pollution.  128:317-325.

5      images/PDF.gif  Cao, X., L.Q. Ma, and A. Shiralipour.  2003.
        Effects of compost and phosphate amendments on arsenic leachability in soils and arsenic uptake

        by Chinese Brake (Pteris Vittata L.)
        Environ. Pollution.  126:157-167.

4      images/PDF.gif  Cao, X., L.Q. Ma, M. Chen, D. Hardison, and W. Harris.  2003.
        Lead transformation and distribution in Florida shooting range soils.
        Sci. Total Environment.   307:179 -189. 

3      images/PDF.gif  Cao, X., L.Q. Ma, M. Chen, D. Hardison, and W.G. Harris.  2003.  IMAGES/up.gif
        Weathering of lead bullets and their environmental effects at outdoor shooting ranges
        J. Environ. Qual.   32: 526-534.

2      images/PDF.gif  Cao, X, L.Q. Ma, S.P. Singh, M. Chen, and W. Harris.  2003.
        Phosphate-induced metal immobilization in a contaminated site
        Environ. Pollution.  122:19-28.

1      images/PDF.gif  Cao, X., L.Q. Ma, M. Chen, S.P. Singh, and W.G. Harris.  2002.
        Impacts of phosphate amendments on lead biogeochemistry in a contaminated site
        Environ. Sci. Technol.  36: 5296-5304.

IMAGES/bullet.gif     Chen, Ming (post-doc - 03/96 to 02/01) IMAGES/up.gif

11   images/PDF.gif  Chen, M., L.Q. Ma, X. Cao, R. Melamed and S.P. Singh.
        Field demonstration of in situ immobilization of soil Pb using P amendments
        Advances Environmental Research.  8:93-102

   images/PDF.gif  Chen, M.,  L. Q. Ma, and Willie G. Harris. 2002.
        Arsenic concentrations in Florida surface soils: influence of soil type and properties
        Soil Sci. Soc. Am. J. 66:632-640.

9      images/PDF.gif  Chen, M., L.Q. Ma, W.G. Harris, and X. Cao. 2002.
        Characterization of Pb in soils of a rifle/pistol shooting range in Central Florida.
        Soil Sediment Contamination.  11:1-17.

8      images/PDF.gif Chen, M., L. Q. Ma, and Willie G. Harris. 2001.   IMAGES/up.gif
        Distribution of Pb and As in soil at a shooting range in Central Florida
        Soil Crop Sci. Soc. Florida Proc.  60:15-20.

7      images/PDF.gif  Chen, M.,  L.Q. Ma, C. G. Hoogeweg, and W.G. Harris. 2001.
        Arsenic background concentrations in Florida surface soils: determination and interpretation
        J. Environ. Forensics.  2:117-126.

6      images/PDF.gif  Chen, M., and L.Q. Ma.
        Taxonomic and geographic distribution of total P in Florida surface soils
        Soil Sci. Soc. Am. J.  65:1539-1547.

5      images/PDF.gif  Chen, M. and L.Q. Ma.  2001.
        Comparison of three aqua regia digestion methods for analyzing 16 elements in soils
        Soil Sci. Soc. Am. J.  65:491-499.

4      images/PDF.gif  Chen, M. , Ma, L. Q., and Y.C. Li. 2000.     IMAGES/up.gif
        Concentrations of P, K, Al, Fe, Mn, Cu, Zn, and As in Marl soils from South Florida.
        Soil Crop Sci. Soc. Florida Proc.   59:124-129.

 3     images/PDF.gif  Chen, M., L.Q. Ma and W. Harris. 1999.
        Baseline concentrations of 15 trace elements in Florida surface soils.
        J. Environ. Qual.  28:1173-1181.

2      images/PDF.gif  Chen, M. , Ma, L.Q., and W.G. Harris. 1999.
        Assessment of  P concentrations in different types of Florida surface soils.
        Soil Crop Sci. Soc. Florida Proc.  58:58-62.

1      images/PDF.gif  Chen, M. and L.Q. Ma.  1998.
        Comparison of four EPA digestion methods for trace metals using certified and Florida soils.
        J. Environ. Qual. 27:1294-1300

IMAGES/bullet.gif     Chen, Ruixue (Ph.D student - Chemistry Department) IMAGES/up.gif
1      images/PDF.gif  Chen, R., B.W. Smith, J.D. Winefordner, M.S. Tu, G. Kertulis, and L.Q. Ma.  2004.
        Arsenic speciation in Chinese brake fern by ion-pair high-performance liquid chromatography
        –inductively coupled plasma mass spectroscopy.
        Analytica Chemica Acta.  504:199-207.

IMAGES/bullet.gif     Chirenje, Tait (Ph.D student - 08/96 to 05/00 and post-doc -- 05/00 to 0/8/03) IMAGES/up.gif

13   images/PDF.gif  Chirenje, T.,  L.Q. Ma and L. Lu.   2006.
        Retention of Cd, Cu, Pb and Zn by wood ash, lime and fume dust
        Water Air Soil Pollut.  171:301-314.

12   Chirenje, T., and L.Q. Ma.   2006.
        The impact of CCA-treated wood on soil
        In T. Townsend and H. Solo-Gabriel (eds.) Environmental impacts of treated wood.

11   images/PDF.gif  Chirenje, T., L.Q. Ma, M. Reeves,  and M. Szulczewski.  2004.
        Lead distributions in urban soils of two Florida cities: Gainesville and Miami

10   images/PDF.gif  Chirenje, T., L.Q. Ma, M. Chen and E. J. Zillioux.  2003.    
        Arsenic background concentration comparison in urban and non-urban areas of Florida
        Advances Environmental Research.  8:137-146.

9      images/PDF.gif  Chirenje, T., L.Q. Ma, C. Clark, and M. Reeves.  2003.   IMAGES/up.gif
        Copper, Cr and As distribution in soils adjacent to pressure-treated decks, fences and poles. 
Environ. Pollution.   124:407-417.

8      images/PDF.gif  Chirenje, T.,L. Q. Ma, M. Szulczewski, R. Littell, K. M. Portier and E. Zillioux.   2003.
        Soil arsenic distribution in two Florida cities: Gainesville and Miami
        J. Environ. Qual.    32:109-119.

7      images/PDF.gif  Chirenje, T. and L.Q. Ma.  2002. 
        Impacts of high-volume papermill ash amendment on soil properties and nutrient status.
        Commun. Soil Sci. Plant Anal.  33:1-17.

6      images/PDF.gif  Chirenje, T.,  L.Q. Ma and C. Rivera. 2002.
        Leachability of Cu and Ni in wood ash-amended soil as impacted by humic and fulvic acid.
        Geoderma.  108:31-47.

5      images/PDF.gifChirenje, T., L.Q. Ma and C. Rivera. 2002.   IMAGES/up.gif
        Effects of humic and fulvic acids on As and Cr leachability in wood ash-amended soils.
        Soil Sediment Contamination. 11:359-375.

4      images/PDF.gif  Chirenje, T.L. Q. Ma, and E. Zillioux.  2002.
        Determination of arsenic background concentrations in urban soils
The Scientific World JOURNAL  2:1404-1417.

3      images/PDF.gif  Chirenje, T. L.Q. Ma, A.G. Hornsby, K. Portier, W.G. Harris, and E. J. Zillioux.  2001.    
        Protocol development for assessing arsenic background concentrations in Florida urban soils
        J. Environ. Forensics.  2:141-153.

2      images/PDF.gif  Chirenje, T. and L.Q. Ma.  1999.
        Effects of acidification on metal mobility in a papermill-ash amended soil.
        J. Environ. Qual.  28:760-766.

1      Chirenje, T. and L.Q. Ma.  1999.
        Greenhouse study of slash pine responses to fertilizer in a papermill-ash amended soil.
        Soil Crop Sci. Soc. Florida Proc. 58:760-6.

IMAGES/bullet.gif     Dong, Yan (Ph.D student -- 01/96 to 12/99) IMAGES/up.gif

1      images/PDF.gif  Dong, Y., L.Q. Ma and R.D. Rhue.
        Relation of Pb solubility and Fe partitioning in soils.
        Environ. Pollution.  110:515-522.

IMAGES/bullet.gif     Fayiga, Abioya (Ph.D student/post-doc -- 07/02 to present)

6      images/PDF.gif  Fayiga, A.O., and L. Q. Ma, and B. Rathinasabapathi.  2008.
        Effects of nutrients on arsenic accumulation by arsenic hyperaccumulator Pteris vittata L. 
        Environ. Exp. Bot.  
62: 231–237

5      images/PDF.gif  Fayiga, A.O.,  L. Q. Ma and Q. Zhou.  2007.
        Effects of plant arsenic uptake and heavy metals on arsenic distribution in an arsenic-contaminated soil.  IMAGES/up.gif
        Environment Pollution. 147:737-742

4      images/PDF.gif  Fayiga, A.O. and L. Q. Ma.  2006.  
        Using phosphate rock to immobilize metals in soils and increase arsenic uptake in Pteris vittata.
        Science Total Environment. 
359: 17– 25

3      images/PDF.gif  Fayiga A.O.
  and L. Q. Ma  2005.  
        Arsenic uptake by two hyperaccumulator ferns from four arsenic contaminated soils.
        Water Air Soil Pollution. 
168: 71–89.

2      images/PDF.gif  Fayiga A.O.,  L. Q. Ma, J. Santos, B. Rathinasabapathi, Stamps B. and R. C.  Littell.  2005.  
        Effects of arsenic species and concentrations on arsenic accumulation by different fern species in a hydroponic system.
        Int. J. Phytoremediation. 

1      images/PDF.gif  Fayiga, A.O., L.Q. Ma, R. X. Cao, and B. Rathinasabapathi.  2004.
        Effects of heavy metals on growth and arsenic accumulation in the arsenic hyperaccumulator Pteris vittata L.
        Environment Pollution.  132:289-296.


IMAGES/bullet.gif     Fitz, Walter (Scientist -- BOKU, Austria)IMAGES/up.gif

1      images/PDF.gif  Fitz, w.j., w.w. Wenzel, h. Zhang, j. Nurmi, k. Tipek, z. Fischerova, ……., l.q. Ma, & g. Stingeder. 2003.
        Rhizosphere Characteristics of the Arsenic Hyperaccumulator Pteris vittata L. and Monitoring of Phytoremoval Efficiency
        Environ. Sci. Technol.  37: 5008-5014.

IMAGES/bullet.gif     Gao, Bin  (Assistant professor -- University of Florida)IMAGES/up.gif

1      Gao, B., Y. Dong, Y. Luo, and L.Q. Ma.  2009.
        Colloid deposition and release in Soils and their association with heavy metals
        Critical Review Environ. Sci. Technol.  Accepted.

IMAGES/bullet.gif     Gonzaga, Maria (Ph.D - 08/02 to present) 

6      images/PDF.gif  Gonzaga, M.I.,S. L.Q. Ma J.A.G. Santos, and M.I.S. Matias.  2009.
        Rhizosphere characteristics of two arsenic hyperaccumulating Pteris ferns

        Sci. Total Environ.  407: 4711-4716

5      images/PDF.gif  Gonzaga, M.I.S., J.A.G. Santos, and L.Q. Ma. 2008.
Phytoextraction by arsenic hyperaccumulator Pteris vittata L. from six arsenic-contaminated soils:

        Repeated harvests and arsenic redistribution.

        Environ. Pollution. 154:212-218

4      images/PDF.gif  Gonzaga, M.I.,S. J.A.G. Santos, and L.Q. Ma,.  2007.
        Effects of the plant growth stage on the arsenic hyperaccumulation by Pteris vittata L

        Water Air Soil Pollution.  186: 289-295   

3      images/PDF.gif  Gonzaga, M.I.S., J.A.G. Santos, N.B. Comerford, and L.Q. Ma.  2007.
        Comparison of root systems efficiency and arsenic uptake of two fern species

        Communications Soil Science Plant Analysis.  38:1163 - 1177.

2      images/PDF.gif  Gonzaga, M.I.S, J.A.G. Santos, and L.Q. Ma.  2006.
        Arsenic chemistry in the rhizosphere of Pteris vittata L. and Nephrolepis exaltata L   

        Environment Pollution.  143:254-260.

1      images/PDF.gif  Gonzaga, M.I., S, J.A.G. Santos, and L.Q. Ma.  2006.
        Arsenic phytoextraction and hyperaccumulation by fern species

        Sci. Agric.  63:.90-101.

IMAGES/bullet.gif     Hardison, Donald (M.S. student -- 02/01 to 04/03)  Thesis IMAGES/up.gif

2      images/PDF.gif  Ma, L.Q., D.W. Hardison Jr., W.G. Harris, X. Cao, and Qixing Zhou.   2007.
        Effects of soil property and soil amendment on weathering of abraded metallic Pb in shooting ranges

        Water Air Soil Pollution.  178:297–307.

1      images/PDF.gif  Hardison Jr., D.W., L.Q. Ma, T. Luongo, and W.G. Harris.   2004.
        Lead Contamination in Shooting Range Soils from Abrasion of Lead Bullets and subsequent weathering

        Sci. Total Environment.   328:175-183.

IMAGES/bullet.gif    Kertulis, Gina (Ph.D student - 07/01 to present)IMAGES/up.gif

4      Kertulis-Tartar, G.,  L. Q. Ma, T. Chirenje and R. Cardellino.  2006.
        Arsenic Availability in Select Florida Soils Affected by Chromated Copper Arsenate.

        To be submitted.

3      images/PDF.gif  Kertulis-Tartar, G.,  Bala Rathinasabapathi and L. Q. Ma  2009.
        Characterization of glutathione reductase and catalase in the fronds of two Pteris ferns upon arsenic exposure
        Plant Phisiology Biochemsitry.

2      images/PDF.gif  Kertulis-Tartar, G.,  L. Q. Ma, C. Tu and T. Chirenje.  2006.
        Phytoremediation of an arsenic-contaminated site using Pteris vittata L: a two-year study.
        Int. J. Phytoremediation.  8:311-322.

1      images/PDF.gif  Kertulis-Tartar, G.,  L.Q. Ma, G.E. MacDonald, R. Chen, J. Winefordner, and Y. Cai.  2005.
        Arsenic speciation and transport in Pteris vittata L. and the effects on phosphate in the xylem sap.
        Environ. Exp. Bot.  54:  239–247.

IMAGES/bullet.gif     Li, Ye (Ph.D student – Nankai University )IMAGES/up.gif

1      images/PDF.gif  Li, Y., Y. Zhao, S. Peng, Q. Zhou, and L.Q. Ma.  2010.  
Temporal and spatial trends of total petroleum hydrocarbons in the seawater of Bohai Bay, China from 1996 to 2005.
Marine Pollution Bulletin.  60: 238–243.

IMAGES/bullet.gif     Lombi, Enzo (Scientist - CSIRO,  Australia )IMAGES/up.gif

1      images/PDF.gif  Lombi, E. F.-J. Zhao, M. Fuhrmann, L.Q. Ma and S.P. McGrath.  2002.  
        Arsenic distribution and speciation in the fronds of the hyperaccumulator Pteris vittata
        New Phytologist.  156:195–203.

IMAGES/bullet.gif     Luongo, Tom (Senior Chemist-12/00 to 12/05)

1      images/PDF.gif  Luongo, L and L.Q. Ma.
        Characteristics of arsenic accumulation by Pteris and non-Pteris ferns.
        Plant Soil.  277: 117 - 126.

IMAGES/bullet.gif     Ma, Lena (professor - University of Florida) IMAGES/up.gif

18   Ma, L.Q. and Y. Dong.
        Colloid deposition, release and association with heavy metals in soils
J. Critical Rev. Environ. Sci. Technol.   In  review.

17   images/PDF.gif  Ma, L.Q., Y. Dong and Q. Zhou.  2004.
        Relation of relative colloid stability ratio and colloid release in two lead-contaminated soils
        Water Soil Air Pollution.  160:343-355.

16   images/PDF.gif  Ma, L.Q. and Y. Dong.  2004. IMAGES/up.gif
        Effects of incubation on solubility and mobility of trace metals in two contaminated soils
Pollution.  130:301-307.

15   images/PDF.gif Ma, L.Q., K.M. Komar, C. Tu, W. Zhang, and Y Cai.  2001.
        * A fern that hyperaccumulates arsenic. *
        Nature.  409:579.

14   images/PDF.gif  Ma, L.Q., K.M. Komar, C. Tu, W. Zhang, and Y Cai. 2001.   
* A fern that hyperaccumulates arsenic-addendum. * 
        Nature.  411:438.

13   images/PDF.gif  Ma, L.Q. and G.N. Rao.  1999.
        Aqueous Pb reduction in Pb-contaminated soils by Florida phosphate rocks.
        Water Soil Air Pollution.  110:1-16.

12   images/PDF.gif  Ma, L.Q. and G.N. Rao. 1997.
        Chemical fractionation of trace metals in contaminated soils.

        J. Environ. Qual.  26:259-264.

11   images/PDF.gif  Ma, L.Q., F. Tan and W.G. Harris.  1997.     IMAGES/up.gif
        Concentrations and distributions of 11 elements in Florida soils.

        J. Environ. Qual.  26:769-775.

10   images/PDF.gif  Ma, L.Q. and G.N. Rao. 1997.
The effect of phosphate rock on sequential chemical extraction of lead in contaminated soils.

        J. Environ. Qual.  26: 788-794.

9      images/PDF.gif  Ma, L.Q., A.L. Choate, and G.N. Rao. 1997.
        Effects of incubation and phosphate rock on Pb extractability and speciation in contaminated soils.

        J. Environ. Qual.  26: 801-807.

8      images/PDF.gif  Ma, L.Q. 1996.
Factors influencing the effectiveness and stability of aqueous Pb immobilization by hydroxyapatite. IMAGES/up.gif

        J. Environ. Qual.  25:1420-1429.

7      images/PDF.gif  Ma, L.Q. and W.L. Lindsay. 1995.
        Estimation of Cd2+and Ni2+ activities in contaminated and uncontaminated soils by chelation.

        Geoderma.  68:123-133.

 6     images/PDF.gif  Ma, L.Q., T.J. Logan, and S.J. Traina. 1995.      
        Lead immobilization from aqueous solutions and contaminated soils using phosphate rocks.

        Environ. Sci. Technol.  29:1118-1126. 

5      images/PDF.gif  Ma, L.Q., S.J. Traina, T.J. Logan, and J.A. Ryan. 1994.  IMAGES/up.gif
        Effects of aqueous Al, Cd, Cu, Fe, Ni, and Zn on Pb immobilization by hydroxyapatite.

        Environ. Sci. Technol.  28:1219-1228.

4      images/PDF.gif  Ma, L.Q., T.J. Logan, S.J. Traina, and J.A.Ryan. 1994.
        Effects of NO3, Cl, F, SO4and CO3 on Pb immobilization by hydroxyapatite.

        Environ. Sci. Technol.  28:408-418.

3      images/PDF.gif  Ma, L.Q., S.J. Traina, T.J. Logan, and J.A. Ryan. 1993.
        In situ Pb immobilization by apatite.

        Environ. Sci. Technol.  27:1803-1810.

2      images/PDF.gif  Ma, L.Q. and W.L. Lindsay. 1993.
        Measurement of free Zn
2+activities in uncontaminated and contaminated soils using chelation.

        Soil Sci. Soc. Am. J.  57:963-967.

1      images/PDF.gif  Ma, L.Q. and W.L. Lindsay. 1990.   
        Divalent zinc activity in arid-zone soils by chelation.
        Soil Sci. Soc. Am. J.  54:719-722.

IMAGES/bullet.gif     Mathews, Shiny (Ph.D student -- 07/06 to present)   IMAGES/up.gif

1      images/PDF.gif  Mathews, S., L.Q. Ma, B. Rathinasabapathib, and R.H. Stamps.  2009.
        Arsenic reduced scale-insect infestation on arsenic hyperaccumulator Pteris vittata L.
        Environ. Exp. Bot.  

IMAGES/bullet.gif     Melamed, Ricardo (Visiting scientist -- 12/00 to 02/01)   IMAGES/up.gif

1      images/PDF.gif  Melamed, R., X. Cao, Chen, M. and L.Q. Ma.  2003.
        Field assessment of Pb immobilization in a contaminated soil using P amendments.
        Sci. Total Environment.    305:117-127.

IMAGES/bullet.gif     Natarajan,Seenivasan (Post-doc scientist -- MREC)   IMAGES/up.gif

2.     images/PDF.gif  Seenivasan, N, R.H. Stamps, U.K. Saha and L.Q. Ma.  2009.

        Effects of N and P levels, and frond-harvesting on absorption, translocation and accumulation of arsenic

        by Chinese brake fern (Pteris vittata L.)

        Int. J. Phytoremediation.  11: 313–328.


1      images/PDF.gif  Seenivasan, N, R.H. Stamps, U.K. Saha and L.Q. Ma.  2008.

        Phytoremediation of arsenic contaminated groundwater using Pteris vittata L.: effect of pant density and N and P levels

        Int. J. Phytoremediation.  10:222–235

IMAGES/bullet.gif     Ouyang, Ying (Hydrologist -- St. John's River Water Management District)

1      images/PDF.gif  Ouynag, Y. and L.Q. Ma.  2005.
        Simulation of phytoremediation of a TNT-contaminated soil using CTSPAC model
        J. Environ.
Qual.  34:1490–1496.

IMAGES/bullet.gif     Rivero, Carmen (Visiting scientist -- 09/01 to 08/02) IMAGES/up.gif

1      images/PDF.gif  Rivero, C, T. Chirenje, L.Q. Ma, and G.A. Martinez.  2004.
        Influence of compost on soil organic matter quality under tropical conditions.
        Geoderma.  123: 355-361.

IMAGES/bullet.gif     Rockwood, Don (Professor-Forest Department, UF) 

1      images/PDF.gif  Rockwood,  D. L., B. Becker, A. Lindner, A. Pacheco, and L. Ma.  2005.
        Genetic testing prerequisites for effective tree-based phytoremediation systems
        in: B.C. Alleman and M.E. Kelley (Conference Chairs) In Situ and On-Site Bioremediation. 
        Proceedings of the 8th International In Situ and On-  Site Bioremediation Symposium.  
        Battelle Press, Columbus, OH,

IMAGES/bullet.gif     Rathinasabapathi, Bala (Associate professor-Horticultural Sciences Department, UF)  IMAGES/up.gif

6         images/PDF.gif  Sundaram, Sabarinath, S. Wu, L.Q. Ma, and B. Rathinasabapathi.  2009.

Expression of a Pteris vittata glutaredoxin PvGRX5 in transgenic Arabidopsis thaliana increases plant arsenic tolerance and decreases arsenic accumulation in the leaves

        Plant Cell Environment   32:851-858.

5      images/PDF.gif  Rathinasabapathi, B., M. Rangasamy, J. Froeba, R. H. Cherry, .........., M. Srivastava,  & L.Q. Ma.  2007.
        Arsenic hyperaccumulation in the Chinese brake fern (Pteris vittata) deters grasshopper (Schistocerca americana) herbivory
        New Phytologist.  175: 363–369.

4      images/PDF.gif  Rathinasabapathi B,  S. Wu,  J. Rivoa,S. Sundaram, L.Q. Ma.  and M. Srivastava.  2006.
        Arsenic resistance in Pteris vittata L.:  identification of a cytosolic triosephosphate isomerase
        based on cDNA expression cloning in Escherichia coli.
        Plant Molecular Biology.   62: 845-857. 

3      images/PDF.gif  Rathinasabapathi B,  Raman SB, Kertulis G, and Ma LQ.  2006.
        Arsenic-resistant proteobacterium from the phyllosphere of arsenic-hyperaccumulating fern
         (Pteris vittata L.) reduces arsenate to arsenite
        Canadian J. Microbiology.   52:695-700.

2      images/PDF.gif  Rathinasabapathi B, L.Q. Ma,  and M. Srivastava.  2006. 
        Arsenic hyperaccumulating ferns and their application to phytoremediation of arsenic contaminated sites
        In: Floriculture, Ornamental and Plant Biotechnology: Advances and Topical Issues (1st Ed.),
        Teixeira da Silva JA (ed), Global Science Books, London, UK, pp 305-311.

1      images/PDF.gif  Sundaram S, B. Rathinasabapathi, LQ. Ma, and BP Rosen.  2008.
        An arsenate-activated glutaredoxin from the arsenic hyperaccumulator fern Pteris vittata L. regulates intracellular arsenite
        J. Biological Chem.  283:6095-6101.

IMAGES/bullet.gif     Satos, Jorge (post-doc -  10/03 to 05/06)  IMAGES/up.gif

1      images/PDF.gif  Satos, J. A.G., L.Q. Ma, M.I.S. Gonzaga, and M. Srivastava. 2008.
        Timing of phosphate application affects arsenic phytoextraction by Pteris vittata L of different ages.
        Environ. Pollution. 154:306-311

IMAGES/bullet.gif     Singh, Satya (post-doc -  07/98 to 05/00)  IMAGES/up.gif

3      images/PDF.gif  Singh, S.P., L.Q. Ma, and M.J. Hendry.  2006.
        Characterization of aqueous lead removal phosphatic clay: equilibrium and kinetics studies.
        J. Haz. Mat.  136: 654-662.

2      images/PDF.gif  Singh, S.P., L.Q. Ma, and W.G. Harris. 2001.  
        Heavy metal interactions with phosphatic clay: sorption and desorption behavior
        J. Environ. Qual.  30:1961-1968.

1      images/PDF.gif  Singh, S.P., L.Q. Ma, F.M.G. Tack and M.G. Verloo. 2000.
        Trace metal leachability from land disposed dredged sediments .
        J. Environ. Qual.  29:1124-1132.

IMAGES/bullet.gif     Singh, Nadita (Visiting scientist - 01/03 to 09/03) IMAGES/up.gif

5      images/PDF.gif  Singh, N., L.Q. Ma, J.C. Vu and A. Raj.  2009.
        Effects of arsenic on nitrate metabolism in arsenic hyperaccumulating and non-hyperaccumulating ferns

        Environnent Pollution.  157: 2300-2305

4      images/PDF.gif  Singh, N. and L.Q. Ma.  2006.
Arsenic speciation, and arsenic and phosphate distribution in arsenic hyperaccumulator Pteris vittata and  
        non-hyperaccumulator Pteris ensiformis
Environment Pollution.

3      Singh, N. and L.Q. Ma.  2005.
        Chinese Brake fern-a potential phytoremediator of arsenic contaminated soil and water
        Universities J. Phytochemistry Ayurvedic Heights  1:41-43

2      images/PDF.gif  Singh, N., L. Q. Ma,  M. Srivastava and B. Rathinasabapathi.  2006.
        Metabolic adaptations to arsenic-induced oxidative stress in Pteris vittata L and Pteris ensiformis L
        Plant Science.  170: 274-282.

1      Singh, N. and L. Q. Ma.  2005.
        Assessing plants for phytoremediation of arsenic contaminated soils. 
        In M
ethods in biotechnology series: phytoremediation.  Humana  press.   

IMAGES/bullet.gif     Srivastava, Mrittunjai (Post-doc - 01/03 to present) IMAGES/up.gif

5      images/PDF.gif  Srivastava M., L.Q. Ma, J. Santos, and P. Srivastava.  2010.

            Comparison of arsenic accumulation in 18 fern species and four Pteris vittata accessions

            Bioresource Technology.  101: 2691-2699.

4      images/PDF.gif  Srivastava M. , L.Q. Ma, B. Rathinasabapathi and P. Srivastava.   2009.
        Effect of selenium on arsenic uptake in arsenic hyperaccumulator Pteris vittata L.
Bioresource Technology.  100: 1115–1121.

3      images/PDF.gif  Srivastava M. , L.Q. Ma, and J. A. G. Santos.   2006.
        Three new arsenic hyperaccumulating ferns.
        Sci. Total Environment.   364: 24-31.

2      images/PDF.gif  Srivastava M. ,  L. Q. Ma, N. Singh, and S. Singh.   2005.
        Antioxidant responses of hyperaccumulator and sensitive fern species to arsenic
        J. Exp. Bot.   56:

1      images/PDF.gif  Srivastava M. ,  L.Q. Ma, and J. Cotruvo.   2005.
        Uptake and distribution of selenium in different fern species
        Int. J. Phytoremediation.  7:33-42.

IMAGES/bullet.gif     Tan, Zhengxi (Ph.D - University of Florida)IMAGES/up.gif

1      images/PDF.gif  Tan, Z., W.G. Harris and L.Q. Ma. 2000.
        Comparison of groundwater colloids in adjoining soils of Florida flatwood
        Soil Sci.  165:124-134.

IMAGES/bullet.gif     Toor, G (Assistant professor - University of Florida)IMAGES/up.gif

1        Banger, K., G.S. Toor, T. Chirenje and L.Q. Ma. 2009.

      Polycyclic aromatic hydrocarbons in four urban land use soils of Miami, Florida

        Soil Sediment Contamination.  Accepted.

IMAGES/bullet.gif  Tu, Cong (Post-doc - 08/99 to 05/01)

5      images/PDF.gif  Tu, C., and L.Q. Ma.
        Effects of As hyperaccumulation on nutrient content and distribution in fronds of the hyperaccumulator Chinese brake.
        Environ. Pollution.  135: 333-340.

4      images/PDF.gif  Tu, C., and L.Q. Ma.  2003.
        Effects of arsenate and phosphate on their accumulation by an arsenic-hyperaccumulator Pteris vittata L.
        Plant Soil. 
249: 373–382.  

3      images/PDF.gif  Tu, C., L.Q. Ma, W. Zhang, Y. Cai, W.G. Harris.  2003.
Arsenic species and leachability in the fronds of the hyperaccumulator Chinese brake (Pteris vittata L.).  
        Environ. Pollution.  124:223-230.

2      images/PDF.gif  Tu, C., and L.Q. Ma.  2002.
        Effects of arsenic concentrations and forms on arsenic uptake by the hyperaccumulator Ladder Brake
        J. Environ. Qual.  31:641-647.

1      images/PDF.gif  Tu, C., L.Q. Ma, and B. Bondada. 2002.
        Arsenic Accumulation in the Hyperaccumulator Chinese Brake Fern (Pteris vittata L.) and Its Utilization
        Potential for Phytoremediation.
        J. Environ. Qual. 

IMAGES/bullet.gif  Tu, Shuxin. (post-doc -  07/01 to 08/03)IMAGES/up.gif

5      images/PDF.gif  Tu, S. and L.Q. Ma.  2004.
        Comparison of arsenic uptake and distribution in arsenic hyperaccumulator Pteris vittata L.

        and non-hyperaccumulator Nephrolepis exaltata L
        J. Plant Nutrition.   27:1227-1242.

4      images/PDF.gif  Tu, S., L.Q. Ma, A.O. Fayiga and E.J. Zillioux.
        Phytoremediation of Arsenic Contaminated Groundwater by an Arsenic Hyperaccumulating Fern Pteris vittata L.
        Int. J. Phytoremediation. 

3      images/PDF.gif Tu, S., L.Q. Ma and T. Luongo.  2004.
        Root exudation and its role in arsenic hyperaccumulation of Pteris vittata
        Plant Soil.  
258: 9-19.

2      images/PDF.gif Tu, S., L.Q. Ma, G. E. MacDonald, and B. Bhaskar.  2004.
        Arsenic Absorption, Speciation and Thiol Formation in Excised Parts of Pteris vittata in the Presence of Phosphorus
        Environ. Exp. Bot.  51: 121-131.

1      images/PDF.gif Tu, S.  and L. Q. Ma.  2003.    
        Interactive Effects of pH, As and P on growth and As/P uptake in hyperaccumulator Pteris vittata
        Environ.  Exp. Bot. 
50: 243-251

IMAGES/bullet.gif     Wang, Xin (Visiting Student - from 08/08 to 8/10)IMAGES/up.gif

1      images/PDF.gif  Wang, X., L.Q. Ma, B. Rathinasabapathi, Y. Liu, G. Zeng.  2010.  
        Uptake and translocation of arsenite and arsenate by Pteris vittata L.: effects of silicon, boron and mercury.

        Environ. Exp. Bot. 
68: 222–229.

IMAGES/bullet.gif     West, Margaret (Scientist - Georgia Pacific Corp.)IMAGES/up.gif

1      Vest, M. M, T. Chirenje and L.Q. Ma. 1999.
        Study of slash pine response to wood fired boiler ash and fertilizer in a boiler ash amended soil.
        TAPPI Int. Environ. Conf. Proc.  3 :1131-1145.

IMAGES/bullet.gif     Webb, Sam (Scientist - Stanford University)IMAGES/up.gif

1      images/PDF.gif  Webb, S.M, J.-F. Gaillard,  L. Q. Ma, and C. Tu.  2003.
        XAS speciation of arsenic in a hyperaccumulating fern.
        Environ. Sci. Technol.  37: 754 - 760.

IMAGES/bullet.gif     Wei, Shuhe (Visiting scientist – 07/06 to 06/07)IMAGES/up.gif

1      images/PDF.gif  Wei, S, L.Q. Ma, U. Saha, S. Mathews, S. Sundaram, B. Rathinasabapathi, Q. Zhou.
        Sulfate and glutathione enhanced arsenic accumulation by arsenic hyperaccumulator Pteris vittata L
        Environ Pollution. 

IMAGES/bullet.gif     Wu, Lingzheng (Ph.D student - from 06/96 to 12/00)IMAGES/up.gif

3      images/PDF.gif  Wu,  L., and L. Q. Ma. 2002.    
        Relationship between compost stability and extractable organic carbon.
        J. Environ. Qual.  31:1323-1328.

2      images/PDF.gif  Wu, L. and L.Q. Ma.  2001.
        Impacts of sample storage on compost stability and maturity evaluation.
        J. Environ.Qual.  30:222-228.

1      images/PDF.gif  Wu, L., L.Q. Ma and G.A. Martinez. 2000.
        Comparison of methods for evaluating stability and maturity of biosolids compost.
        J. Environ. Qual.  29:424-429.

IMAGES/bullet.gif     Xiao, Chenqing (M.S. student - from 01/96 to 05/98) IMAGES/up.gif

1      images/PDF.gif  Xiao, C., L.Q. Ma, and T. Sarigumba. 1999.  
        Effects of soil on trace metal leachability from papermill ashes and sludge.  
        J. Environ. Qual.  28:321-333.

IMAGES/bullet.gif     Yin, Xianqiang (Visiting student - from 10/07 to 09/09) IMAGES/up.gif

1      images/PDF.gif  Yin, X., B Gao, L.Q. Ma, U.K. Saha, H. Sun, and G. Wang.  2010. 

        Colloids-facilitated Pb transport in two shooting range soils in Florida

        J. Haz. Mat.  177: 620–625.

IMAGES/bullet.gif     Yoon, Joonki (M.S. student - from 01/96 to 05/98) IMAGES/up.gif

2      images/PDF.gif  Yoon, J., X. Cao, and L.Q. Ma.  2007  
        Application methods affect P-induced Pb immobilization from a contaminated soil
        J. Environ. Qual.  36:373-378

1      images/PDF.gif  Yoon, J., X. Cao, Q. Zhou, and L.Q. Ma. 2006.  
        Accumulation of Pb, Cu, and Zn in native plants growing on a contaminated Florida site  
        Sci. Total Environment. 
368: 456–464.

IMAGES/bullet.gif     Zhang, Weihua (Ph.D - Florida International University)IMAGES/up.gif

3      images/PDF.gif  Zhang, W., Y. Cai, K. Downum, and L.Q. Ma.  2004.
        Arsenic complex in the arsenic hyperaccumulator Pteris vittata (Chinese brake fern)
        Journal of Chromatography A.  1043: 249–254.

2      images/PDF.gif  Zhang, W., Y. Cai, Z. Chen, K. Downum, and L.Q. Ma.  2004.
        Thiol synthesis and arsenic hyperaccumulation in Pteris vittata (Chinese brake fern)
Pollution.  131:337-345

1      images/PDF.gif  Zhang, W., Y. Cai, C. Tu, and L.Q. Ma. 2002.
Arsenic speciation and distribution in an arsenic hyperaccumulating plant.
        Sci. Total Environment.  300:167-177

IMAGES/bullet.gif     Zeng, Xiaowen (Visiting student - from 05/07 to 08/08)IMAGES/up.gif

3      images/PDF.gif  Zeng, X., L.Q. Ma, R. Qiu, and Y. Tang.
        Responses of non-protein thiols to Cd exposure in Cd hyperaccumulator Arabis paniculata Franch
        Environ. Exp. Bot.  66:242-248.

IMAGES/bullet.gif     Zillioux, Ed (Scientist - Florida Power & Light)IMAGES/up.gif

1      images/PDF.gif  Zillioux, E. J., Chirenje, T., P. Cline, T.W. Fitzpatrick, D.J. Folkes, S.C. Gautie, R.D. Jones,
Z.P. Kulakowski and  L.Q. Ma . 2001.
        Conflict resolution associated with arsenic background definition: a panel discussion
        J. Environ. Forensics.  2:169-175.

IMAGES/bullet.gif     Zhou, Qixing IMAGES/up.gif
4      images/PDF.gif  Liu, J-N., Zhou, Q-X, Sun, T, Ma, L.Q. and Wang, S.  2008.
        Identification and chemical enhancement of two ornamental plants for phytoremediation
        Bull. Environmental Contamination Toxicology.

3      images/PDF.gif  Liu, J-N., Zhou, Q-X, Sun, T, Ma, L.Q. and Wang, S.  2008.
        Growth responses of three ornamental plants to Cd and Cd-Pb stress and their metal accumulation characteristics
        J. Haz. Mat.  151:261-267.
2      images/PDF.gif  Guo, G., Q. Zhou and L.Q. Ma.  2006.
        Vailability and assessment of fixing additives for the in situ remediation of heavy metal contaminated soils: a review
         Environmental Monitoring Assessment.  116: 513–528

1      images/PDF.gif  Wei, S, Q. Zhou, X. Wang, K. Zhang, G. Guo and  L.Q. Ma.  2005.
        A newly-discovered Cd-hyperaccumulator So-lanum nigrum L.
        Chinese. Sci. Bulletin.  50: 33-38.