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Items: 38

1.

Proteomic Analyses of Chlorhexidine Tolerance Mechanisms in Delftia acidovorans Biofilms.

Rema T, Medihala P, Lawrence JR, Vidovic S, Leppard GG, Reid M, Korber DR.

mSphere. 2016 Jan 6;1(1). pii: e00017-15. doi: 10.1128/mSphere.00017-15. eCollection 2016 Jan-Feb.

2.

Effects of temperature and dissolved oxygen on sludge properties and their role in bioflocculation and settling.

Liao BQ, Lin HJ, Langevin SP, Gao WJ, Leppard GG.

Water Res. 2011 Jan;45(2):509-20. doi: 10.1016/j.watres.2010.09.010. Epub 2010 Sep 17.

PMID:
20875910
3.

Characterizing manufactured nanoparticles in the environment: multimethod determination of particle sizes.

Domingos RF, Baalousha MA, Ju-Nam Y, Reid MM, Tufenkji N, Lead JR, Leppard GG, Wilkinson KJ.

Environ Sci Technol. 2009 Oct 1;43(19):7277-84.

PMID:
19848134
4.

Soft X-ray spectromicroscopy of nickel sorption in a natural river biofilm.

Hitchcock AP, Dynes JJ, Lawrence JR, Obst M, Swerhone GD, Korber DR, Leppard GG.

Geobiology. 2009 Sep;7(4):432-53. doi: 10.1111/j.1472-4669.2009.00211.x. Epub 2009 Jul 28.

PMID:
19656215
5.

Morphological and biochemical changes in Pseudomonas fluorescens biofilms induced by sub-inhibitory exposure to antimicrobial agents.

Dynes JJ, Lawrence JR, Korber DR, Swerhone GD, Leppard GG, Hitchcock AP.

Can J Microbiol. 2009 Feb;55(2):163-78. doi: 10.1139/w08-109.

PMID:
19295649
6.

Effect of solids retention time on structure and characteristics of sludge flocs in sequencing batch reactors.

Liao BQ, Droppo IG, Leppard GG, Liss SN.

Water Res. 2006 Jul;40(13):2583-91. Epub 2006 Jun 27.

PMID:
16806396
7.

Quantitative mapping of chlorhexidine in natural river biofilms.

Dynes JJ, Lawrence JR, Korber DR, Swerhone GD, Leppard GG, Hitchcock AP.

Sci Total Environ. 2006 Oct 1;369(1-3):369-83. Epub 2006 Jun 13.

PMID:
16777190
8.

Speciation and quantitative mapping of metal species in microbial biofilms using scanning transmission X-ray microscopy.

Dynes JJ, Tyliszczak T, Araki T, Lawrence JR, Swerhone GD, Leppard GG, Hitchcock AP.

Environ Sci Technol. 2006 Mar 1;40(5):1556-65.

PMID:
16568770
9.

Interparticle interactions affecting the stability of sludge flocs.

Liao BQ, Allen DG, Leppard GG, Droppo IG, Liss SN.

J Colloid Interface Sci. 2002 May 15;249(2):372-80.

PMID:
16290611
10.

Electron-optical characterization of nano- and micro-particles in raw and treated waters: an overview.

Leppard GG, Mavrocordatos D, Perret D.

Water Sci Technol. 2004;50(12):1-8.

PMID:
15685997
11.

Refined tunable methodology for characterization of contaminant-particle relationships in surface water.

Marvin CH, Leppard GG, West MM, Stern GA, Boden AR, McCarry BE.

J Environ Qual. 2004 Nov-Dec;33(6):2132-40.

PMID:
15537935
12.

A review of biofouling and its control in membrane separation bioreactors.

Liao BQ, Bagley DM, Kraemer HE, Leppard GG, Liss SN.

Water Environ Res. 2004 Sep-Oct;76(5):425-36. Review.

PMID:
15523788
13.

Compartmentalization of metals within the diverse colloidal matrices comprising activated sludge microbial flocs.

Leppard GG, Droppo IG, West MM, Liss SN.

J Environ Qual. 2003 Nov-Dec;32(6):2100-8.

PMID:
14674532
14.

Scanning transmission X-ray, laser scanning, and transmission electron microscopy mapping of the exopolymeric matrix of microbial biofilms.

Lawrence JR, Swerhone GD, Leppard GG, Araki T, Zhang X, West MM, Hitchcock AP.

Appl Environ Microbiol. 2003 Sep;69(9):5543-54.

15.

Effect of solids retention time on floc structure.

Liss SN, Liao BQ, Droppo IG, Allen DG, Leppard GG.

Water Sci Technol. 2002;46(1-2):431-8.

PMID:
12216662
16.

Surface properties of sludge and their role in bioflocculation and settleability.

Liao BQ, Allen DG, Droppo IG, Leppard GG, Liss SN.

Water Res. 2001 Feb;35(2):339-50.

PMID:
11228985
17.
18.
19.

Floc stabilization for multiple microscopic techniques.

Droppo IG, Flannigan DT, Leppard GG, Jaskot C, Liss SN.

Appl Environ Microbiol. 1996 Sep;62(9):3508-15.

20.

Characterization of aquatic colloids and macromolecules. 2. Key role of physical structures on analytical results.

Buffle J, Leppard GG.

Environ Sci Technol. 1995 Sep 1;29(9):2176-84. doi: 10.1021/es00009a005. No abstract available.

PMID:
22280253
21.

Characterization of aquatic colloids and macromolecules. 1. Structure and behavior of colloidal material.

Buffle J, Leppard GG.

Environ Sci Technol. 1995 Sep 1;29(9):2169-75. doi: 10.1021/es00009a004. No abstract available.

PMID:
22280252
22.

The characterization of algal and microbial mucilages and their aggregates in aquatic ecosystems.

Leppard GG.

Sci Total Environ. 1995 Apr 7;165(1-3):103-31. Review.

PMID:
7754351
23.

Copper resistance in Anabaena variabilis: Effects of phosphate nutrition and polyphosphate bodies.

Hashemi F, Leppard GG, Kushnert DJ.

Microb Ecol. 1994 Jan;27(2):159-76. doi: 10.1007/BF00165815.

PMID:
24190273
25.

Extracellular fibril production by freshwater algae and cyanobacteria.

Strycek T, Acreman J, Kerry A, Leppard GG, Nermut MV, Kushner DJ.

Microb Ecol. 1992 Jan;23(1):53-74. doi: 10.1007/BF00165907.

PMID:
24192829
26.

Fibrillar pectin and contact cation exchange at the root surface.

Ramamoorthy S, Leppard GG.

J Theor Biol. 1977 Jun 7;66(3):527-40. No abstract available.

PMID:
886880
27.

The biosynthesis of cellulose by Acetobacter xylinum and Acetobacter acetigenus.

Colvin JR, Leppard GG.

Can J Microbiol. 1977 Jun;23(6):701-9. No abstract available.

PMID:
871970
28.

The structure of cellulose-producing bacteria, Acetobacter xylinum and Acetobacter acetigenus.

Colvin JR, Sowden LC, Leppard GG.

Can J Microbiol. 1977 Jun;23(6):790-7.

PMID:
194664
29.
30.

Fine structure of encystment of the quadriflagellate alga, Polytomella agilis.

Brown DL, Leppard GG, Massalski A.

Protoplasma. 1976;90(1-2):139-54. No abstract available.

PMID:
1005734
31.

Fine structure of excystment of the quadriflagellate alga Polytomella agilis.

Brown DL, Massalski A, Leppard GG.

Protoplasma. 1976;90(1-2):155-71. No abstract available.

PMID:
794929
32.

Isolation and characterization of Actinopolyspora halophila, gen. et sp. nov., an extremely halophilic actinomycete.

Gochnauer MB, Leppard GG, Komaratat P, Kates M, Novitsky T, Kushner DJ.

Can J Microbiol. 1975 Oct;21(10):1500-11.

PMID:
1201505
33.

Nascent stage of cellulose biosynthesis.

Leppard GG.

Science. 1975 Sep 26;189(4208):1094-5.

PMID:
1162359
34.

Rhizoplane fibrils in wheat: demonstration and derivation.

Leppard GG.

Science. 1974 Sep 20;185(4156):1066-7.

PMID:
17738249
35.
36.

Lignofibrils on the external cell wall surface of cultured plant cells.

Leppard GG, Colvin JR, Rose D, Martin SM.

J Cell Biol. 1971 Jul;50(1):63-80.

37.

Fine structure of the middle lamella of aggregates of plant cells in suspension culture.

Leppard GG, Colvin JR.

J Cell Biol. 1971 Jul;50(1):237-46. No abstract available.

38.

LASER IN CYTOLOGY.

BOOTH AD, SOBBOLD RS, WACKER G, LEPPARD GG, NAYLOR JM, STEEVES TA.

Nature. 1964 Aug 15;203:789. No abstract available.

PMID:
14207301

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