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1

Harris, J. Roger, Alex X. Niemiera, Robert D. Wright, and Charles H. Parkerson. "Chemically Controlling Root Escape in Pot-in-pot Production of River Birch and Yoshino Cherry." HortTechnology 6, no. 1 (January 1996): 30–34. http://dx.doi.org/10.21273/horttech.6.1.30.

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Three experiments were conducted to determine the feasibility of using Biobarrier, a landscape fabric with trifluralin herbicide-impregnated nodules, of various sizes to prevent root escape of trees from the drainage holes of 56-liter containers in below-ground pot-in-pot (P&P) and above-ground Keeper Upper (KU) nursery production systems. In addition, side holes or slits were cut in some container walls to test the effect of Biobarrier on the prevention of circling roots. In Expt. 1 (P&P), Betula nigra L. `Heritage' (river birch) trees with no Biobarrier had root ratings for roots escaped through drainage holes that indicated a 5-fold increase in numbers of roots than for treatments containing Biobarrier. All Biobarrier treatments reduced root escape and resulted in commercially acceptable control. In Expt. 2 (KU), control and the Biobarrier treatment river birch trees (30 nodules) had commercially unacceptable root escape. In Expt. 3 (P&P), control and 10-nodule treatment Prunus × yedoensis Matsum. (Yoshino cherry) trees had commercially unacceptable root escape, but treatments containing 20 and 40 nodules resulted in commercially acceptable control. Biobarrier did not limit shoot growth in any of the experiments. The results of these experiments indicate that Biobarrier did not prevent circling roots, but sheets containing at least 8 or 20 nodules of trifluralin acceptably prevented root escape from drainage holes in the pot-in-pot production of 56-liter container river birch trees and Yoshino cherry trees, respectively.
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2

Fuhrmann, Gregor, Brigitta Loretz, Nicole Schneider-Daum, and Claus-Michael Lehr. "Biobarriers 2018." European Journal of Pharmaceutics and Biopharmaceutics 158 (January 2021): 52. http://dx.doi.org/10.1016/j.ejpb.2020.10.014.

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3

Lennox, John, and Jeffrey Ashe. "Biofilms as Biobarriers." American Biology Teacher 71, no. 1 (January 1, 2009): 20–26. http://dx.doi.org/10.2307/27669358.

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4

Gilman, Edward. "Root Barriers affect Root Distribution." Arboriculture & Urban Forestry 22, no. 3 (May 1, 1996): 151–54. http://dx.doi.org/10.48044/jauf.1996.022.

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No roots of live oak (Quercus virginiana) or sycamore (Platanus occidentalis) went through Biobarrier™ during a 3-year period after planting. Most roots on both species without a barrier were located in the top 30 cm (12 in) of soil, and root number decreased with increasing soil depth. Roots were located at deeper soil depths beyond the Biobarrier. The roots 15 cm (6 in) from the Biobarrier were mostly 30 to 45 cm (12 to 18 in) below the soil surface. Eighty percent of oak roots and 72% of sycamore roots greater than 3 mm in diameter 0.9 m (3 ft) from the trunk without a barrier were in the top 30 cm (12 in) of soil, whereas, only 42% (oak) and 38% (sycamore) of roots were in the top 30 cm (12 in) for trees with the root barrier. Biobarrier forced roots deeper in the soil but in the high water table soil in this study, many roots returned to the soil surface by the time they had grown 1.2 m (4 ft) away from the barrier.
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5

Ruter, John M. "354 REDUCING ROOTING-OUT PROBLEMS IN POT-IN-POT PRODUCTION SYSTEMS." HortScience 29, no. 5 (May 1994): 481d—481. http://dx.doi.org/10.21273/hortsci.29.5.481d.

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A study was conducted with Lagerstroemia indica x fauriei `Acom a' to evaluate methods for reducing rooting-out problems in a PIP production system. The products tested were Biobarrier™, a geotextile fabric impregnated with trifluralin; Root Control'” fabric bag material; and Spin Out™, a commercial formulation of copper hydroxide (7.1%) in latex paint. Biobarrier™ reduced plant height, shoot dry weight, percent root dry weight outside of the planted container and total biomass compared to the non-treated control. For the control, 7.1% of the total root dry weight was found between the holder pot and planted container compared to 0.2% for the Biobarrier™ treatment. When the holder pot and planted container or the planted container and Root Control™ fabric were both treated with Spin Out™, plant height and shoot dry weight were reduced. Spin Out™ reduced root circling on the sidewalls of the planted containers but not on the bottom of the containers. All treatments except the control reduced rooting-out to a degree that allowed for the manual harvesting of the planted container from the holder pot after seven months in the field.
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6

Jacobs, Karel, Bill Rao, Brian Jeffers, and Donna Danielson. "The Effect of Biobarrier® on Mycorrhizae in Oak and Sweetgum." Arboriculture & Urban Forestry 26, no. 2 (March 1, 2000): 92–96. http://dx.doi.org/10.48044/jauf.2000.011.

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The effect of Biobarrier® herbicide-impregnated barrier fabric (Reemay, Inc., P.O. Box 511, Old Hickory, TN 37138-3651) on mycorrhizae occurrence was assessed on established pin oak (Quercus palustris) and sweetgum (Liquidambar styraciflua) trees. Trenches were dug through 24 tree root systems, and in 12 of the root systems, trenches were lined with Biobarrier. Seventeen months later roots were collected from within and adjacent to the trenches. Microscopic examination revealed that ectomycorrhizae occurred on roots of all 12 oak trees, regardless of the presence or absence of the barrier fabric. Similarly, roots from all sweetgum trees, except for 1 control tree (no barrier fabric), had vesicular endomycorrhizae.
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7

Ruter, John M. "Evaluation of Control Strategies for Reducing Rooting-Out Problems in Pot-In-Pot Production Systems." Journal of Environmental Horticulture 12, no. 1 (March 1, 1994): 51–54. http://dx.doi.org/10.24266/0738-2898-12.1.51.

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Abstract Research has shown that a problem in pot-in-pot (PIP) production systems has been the growth of roots out of the planted container, through holes in the holder pot and into the surrounding soil. A study was conducted with Lagerstroemia indica x fauriei ‘Acoma’ to evaluate methods for reducing rooting-out problems in a PIP production system. The products tested were Biobarrier™, a geotextile fabric impregnated with trifluralin; Root Control™ fabric bag material; and Spin Out™, a commercial formulation of copper hydroxide (7.1%) in latex paint. Biobarrier™ reduced plant height, shoot dry weight, percent root dry weight outside of the planted container and total biomass compared to the non-treated control. For the control, 7.1% of the total root dry weight was found between the holder pot and planted container compared to 0.2% for the Biobarrier™ treatment. When the holder pot and planted container or the planted container and Root Control™ fabric were both treated with Spin Out™, plant height and shoot dry weight were reduced. Spin Out™ reduced root circling on the sidewalls of the planted containers but not on the bottom of the containers. All treatments except the control reduced rooting-out to a degree which allowed for the manual harvesting of the planted container from the holder pot after seven months in the field.
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8

Careghini, A., S. Saponaro, and E. Sezenna. "Biobarriers for groundwater treatment: a review." Water Science and Technology 67, no. 3 (February 1, 2013): 453–68. http://dx.doi.org/10.2166/wst.2012.599.

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Biobarriers (BBs) are a new type of in situ technology for the remediation of contaminated groundwater. In recent years, this remediation technique has been more and more used in place of traditional Pump & Treat systems or other in situ technologies both in the USA and Europe. This work reviews the main experiences of BBs. The literature contains reports about tests and application at different scales (laboratory, pilot and full scale), which have been analyzed according to the aim of the study, the operative conditions adopted, the filling material, the inoculation procedure, the electron acceptor and the nutrient delivery systems. Operative conditions were extremely varied. Lab scale experiments pointed out good results in terms of pollutant removal efficiency. Pilot scale tests and full-scale applications confirmed the results obtained at lab scale, but also pointed out the importance of design for a proficient remediation system. The experiences underlined some possible critical issues: (a) the filling material must ensure proper hydraulic properties, but it also must be capable of keeping biomass in the reactive zone; (b) inoculation is a critical step and measurements should be carried out to check the initial distribution of microorganisms and its evolution over time; (c) electron acceptor and nutrient supply is usually required, but oxygenation into anaerobic aquifers can be critical.
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9

Wilson, R. D., W. C. Yip, and C. N. Naas. "Assessing performance of a permeable biobarrier." Proceedings of the Institution of Civil Engineers - Water Management 161, no. 6 (December 2008): 375–79. http://dx.doi.org/10.1680/wama.2008.161.6.375.

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10

Tiehm, A., A. Müller, S. Alt, H. Jacob, H. Schad, and C. Weingran. "Development of a groundwater biobarrier for the removal of polycyclic aromatic hydrocarbons, BTEX, and heterocyclic hydrocarbons." Water Science and Technology 58, no. 7 (October 1, 2008): 1349–55. http://dx.doi.org/10.2166/wst.2008.730.

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A full scale funnel-and-gate biobarrier has been developed for the removal of tar oil pollutants at an abandoned tar factory site near the city of Offenbach, Germany. Laboratory and on-site column studies were done to determine the operation parameters for microbiological clean-up of the groundwater polluted with 12,000 μg/L mono- aromatic hydrocarbons such as benzene and the xylenes, 4,800 μg/L polycyclic aromatic hydrocarbons such as naphthalene and acenaphthene, and 4,700 μg/L heterocyclic aromatic hydrocarbons such as benzofuran and benzothiophene. In the laboratory study, a residence time of approx. 70 h proved to be sufficient for aerobic pollutant biodegradation. Up to 180 mg/L H2O2 were added and did not lead to any toxic effects to the degrading bacteria. The feasibility of the concept was confirmed in an on-site pilot study performed with a sedimentation tank (removal of ferric iron) and two bioreactors. In the bioreactors, >99.3% of the pollutants were degraded. Biodegradation activity corresponded to a significant increase in numbers of pollutant degrading bacteria. In the bioreactors, a fast dissociation of H2O2 was observed resulting in losses of oxygen and temporary gas clogging. Therefore, a repeated addition of moderate concentrations of H2O2 proved to be more favourable than the addition of high concentrations at a single dosing port. The full scale biobarrier consists of three separated bioreactors thus enabling extended control and access to the reactors. The operation of the funnel-and-gate biobarrier started in April 2007, and represents the first biological permeable reactive barrier with extended control (EC-PRB) in Germany.
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11

Gilman, Edward. "Deflecting Roots Near Sidewalks." Arboriculture & Urban Forestry 32, no. 1 (January 1, 2006): 18–23. http://dx.doi.org/10.48044/jauf.2006.003.

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Concrete sidewalks 10 cm (4 in) thick measuring 1.2 m (4.5 ft) wide by 5 m (16.5 ft) long were installed in spring 1996 with and without barriers designed to deflect roots. Forty-eight Platanus occidentalis from #15 containers were planted 0.75 m (30 in) from sidewalks and irrigated regularly to encourage rapid growth. Identical studies were installed on one well-drained and one poorly drained site located about 18 km (11.2 miles) apart. Barriers included 30 cm (12 in) deep DeepRoot, Biobarrier®, polyethylene (6 mil), a clean gravel layer (15 cm [6 in] deep; 2 to 3 cm [0.8 to 1.2 in] diameter) under the walk, and a control without a barrier. Roots were excavated 8 years after planting. No roots grew in the gravel in the well-drained site, resulting in a significantly deeper root system (19 cm [7.6 in]) under the walks than all other treatments (11 cm [4.4 in]). Vertical root barriers did not increase root depth compared to the control on the well-drained soil. Gravel under the walk and Biobarrier were most effective on poorly drained soil. DeepRoot was the least effective vertical barrier on the poorly drained site; Biobarrier was the most effective. Treatments had no effect on diameter of roots growing under the sidewalks. Roots deflected by the vertical barriers were forced deeper into the soil, but many returned to the surface by the time they reached the opposite side of the walk. Gravel under the sidewalk appears to hold promise for reducing sidewalk damage, especially on well-drained sites.
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12

Wagar, J. Alan, and Philip Barker. "Effectiveness of Three Barrier Materials for Stopping Regenerating Roots of Established Trees." Arboriculture & Urban Forestry 19, no. 6 (November 1, 1993): 332–38. http://dx.doi.org/10.48044/jauf.1993.052.

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In a search for effective barriers to prevent tree root damage to sidewalks, atough nylon fabric, copper screen, and Biobarrier were tested against regenerating roots in 9- year-old plantations of hybrid cottonwood (Populus trichocarpa Xdeltoides), black cottonwood (P. trichocarpa), and paper birch {Betula papyrifera). Roots were severed flush against vertical walls 3.5 feet from trees. Barrier panels were installed against the severed roots of some wall sections and control sections were left without barriers. Three years afterinstallation, amounts of roots coming through all three kinds of barriers were substantially less than amounts coming through equivalent control sections. Both the nylon and copper greatly stunted roots by constricting them to the size of openings in barrier materials, approximately 1/26- and 1/16-inch, respectively. Biobarrier, designed for slow release of the herbicide trifluralin, stopped all birch roots but let a few cottonwood roots through, apparently those of the most vigorous root systems.
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13

Patel, Nikunj, Zachary Dean, Yuki Salinas, Lori Shiraishi, and Laura Newlin. "A Ground Support Biobarrier (GSB) for recontamination prevention." Life Sciences in Space Research 23 (November 2019): 22–30. http://dx.doi.org/10.1016/j.lssr.2019.02.002.

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14

Watanabe, Myrna E. "News: "Starved" bacteria investigated as bioremediation, biobarrier technology." Environmental Science & Technology 30, no. 8 (July 1996): 333A. http://dx.doi.org/10.1021/es962353x.

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15

Kao, C. M., K. F. Chen, Y. L. Chen, W. Y. Huang, and T. Y. Chen. "Biobarrier System for Remediation of TCE-Contaminated Aquifers." Bulletin of Environmental Contamination and Toxicology 72, no. 1 (January 1, 2004): 87–93. http://dx.doi.org/10.1007/s00128-003-0244-5.

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16

K, C. M., and L. Yang. "Enhanced bioremediation of trichloroethene contaminated by a biobarrier system." Water Science and Technology 42, no. 3-4 (August 1, 2000): 429–34. http://dx.doi.org/10.2166/wst.2000.0414.

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The industrial solvent trichloroethylene (TCE) is among the most ubiquitous chlorinated compounds found in groundwater contamination. The objective of this study was to develop a barrier system, which includes a peat (used as the primary substrates) layer to enhance the aerobic cometabolism of TCE in situ. A laboratory-scale column experiment was conducted to evaluate the feasibility of using this peat biobarrier to remediate aquifers contaminated by TCE. This system was performed using a series of continuous-flow glass columns including a soil column, a peat column, followed by two consecutive soil columns. Activated sludges were inoculated in all three soil columns to provide microbial consortia for TCE cometabolism. Simulated TCE contaminated groundwater with a flow rate of 0.25 L/day was pumped into the system. Effluent samples from each column were analyzed for TCE and its degradation byproducts [cis-dichloroethylene (cis-DCE) and vinyl chloride (VC)]. Average removal efficiency was 96% for TCE over a 60-day operating period. Accumulation of VC was observed due to the depletion of oxygen in the system. Results from this laboratory study reveal that the developed biobarrier treatment scheme would be expected to provide a more cost-effective alternative to remediate chlorinated-solvent contaminated aquifers.
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17

Knight, Patricia R., D. Joseph Eakes, and Charles H. Gilliam. "ROOT CONTROL OF URBAN TREES." HortScience 28, no. 4 (April 1993): 263A—263. http://dx.doi.org/10.21273/hortsci.28.4.263a.

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Two inch caliper Acer rubrum, Quercus phellos, and Platanus occidentalis were planted March 26, 1990, into 8' × 8' planting holes that were lined with either Typar Biobarrier, Dewitt Pro-5 Weed Barrier or left unlined as a control. There has been little or no root penetration beyond the Biobarrier for the 3 tree species during the first 3 years of this study. At the end of 1990, the control and the Dewitt Pro-5 had similar root penetration numbers. By the end of 1991, the Dewitt Pro-5 had greater root penetration than did the control for A. rubrun. Root penetration of Dewitt Pro-5 and the control treatment was similar for Q. phellos and P. occidentalis. There were no differences in root penetration for Dewitt Pro-5 and the control in 1992 for any species. There were no differences in height for any tree species following the 1990 or 1991 growing seasons and no difference following the 1992 growing season for A. rubrum and Q. phellos. The control treatment had the grearest height for P. occidentalis in 1992. There were no differences in caliper due to root control treatment for the 3 species during the first 3 years of this study.
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18

Kuo, Y. C., S. Y. Wang, Y. M. Chang, S. H. Chen, and C. M. Kao. "Control of trichloroethylene plume migration using a biobarrier system: a field-scale study." Water Science and Technology 69, no. 10 (March 11, 2014): 2074–78. http://dx.doi.org/10.2166/wst.2014.126.

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The objective of this field-scale study was to evaluate the effectiveness of controlling trichloroethylene (TCE) plume migration using the polycolloid substrate (PS) biobarrier. The developed PS (containing soybean oil, lactate and surfactants) could release substrate to enhance the TCE dechlorination. In this study, a biobarrier comprising PS injection wells was installed. Injection wells were installed at 5-m intervals, and approximately 15 L of PS was injected into each well. Results show that TCE concentrations in the injection wells dropped from an average of 87 μg/L to below 1 μg/L after 35 days of PS injection. The total organic carbon concentrations in the injection wells increased from an average of 2.1–543 mg/L after 30 days of PS injection. The dissolved oxygen (DO) concentrations and oxidation-reduction potential (ORP) values dropped from an average of 1.6 mg/L to below 0.1 mg/L and from 124 mv to −14 mv after 20 days of injection, respectively. The DO and ORP remained in anaerobic conditions during the remaining 100 days of the operational period. TCE degradation by-products were observed in groundwater samples during the operational period. This reveals that the addition of PS could effectively enhance the reductive dechlorinating of TCE.
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19

Seki, Katsutoshi, Martin Thullner, Junya Hanada, and Tsuyoshi Miyazaki. "Moderate Bioclogging Leading to Preferential Flow Paths in Biobarriers." Ground Water Monitoring & Remediation 26, no. 3 (August 11, 2006): 68–76. http://dx.doi.org/10.1111/j.1745-6592.2006.00086.x.

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20

Hunter, William J. "Vadose Zone Microbial Biobarriers Remove Nitrate from Percolating Groundwater." Current Microbiology 58, no. 6 (March 11, 2009): 622–27. http://dx.doi.org/10.1007/s00284-009-9380-4.

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21

Casiraghi, Giulia, Daniele Pedretti, Giovanni Pietro Beretta, Marco Masetti, and Simone Varisco. "Assessing a Large-Scale Sequential In Situ Chloroethene Bioremediation System Using Compound-Specific Isotope Analysis (CSIA) and Geochemical Modeling." Pollutants 2, no. 4 (November 11, 2022): 462–85. http://dx.doi.org/10.3390/pollutants2040031.

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Compound-specific isotopic analysis (CSIA) and geochemical modeling were applied to evaluate the effectiveness of an 800 m-long sequential in situ bioremediation (ISB) system in Northern Italy. The system was created for the clean-up of a polluted aquifer affected by chloroethenes. A hydraulically upgradient anaerobic (AN)-biobarrier-stimulated reductive dichlorination (RD) of higher chloroethenes (PCE, TCE) and a downgradient aerobic (AE)-biobarrier-stimulated oxidation (OX) of lower chloroethenes (DCE, VC) were proposed. Carbon CSIA and concentration data were collected for PCE, TCE, cis-DCE and VC and interpreted using a reactive transport model that was able to simulate isotopic fractionation. The analysis suggested that the combination of CSIA and modeling was critical to evaluate the efficiency of sequential ISBs for the remediation of chloroethenes. It was found that the sequential ISB could reduce the PCE, TCE and cis-DCE concentrations by >99% and VC concentrations by >84% along the flow path. First-order RD degradation rate constants (kRD) increased by 30 times (from kRD = 0.2–0.3 y−1 up to kRD = 6.5 y−1) downgradient of the AN barrier. For cis-DCE and VC, the AE barrier had a fundamental role to enhance OX. First-order OX degradation rate constants (kOX) ranged between kOX = 0.7–155 y−1 for cis-DCE and kOX = 1.7–12.6 y−1 for VC.
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22

Hunter, William J., and Dale L. Shaner. "Nitrogen limited biobarriers remove atrazine from contaminated water: Laboratory studies." Journal of Contaminant Hydrology 103, no. 1-2 (January 2009): 29–37. http://dx.doi.org/10.1016/j.jconhyd.2008.08.004.

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23

Ross, Nathalie, and Greg Bickerton. "Application of Biobarriers for Groundwater Containment at Fractured Bedrock Sites." Remediation Journal 12, no. 3 (June 2002): 5–21. http://dx.doi.org/10.1002/rem.10031.

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24

Kasi, Murthy, John McEvoy, G. Padmanabhan, and Eakalak Khan. "In situ Groundwater Remediation Using Enricher Reactor – Permeable Reactive Biobarrier." Proceedings of the Water Environment Federation 2010, no. 18 (January 1, 2010): 300–317. http://dx.doi.org/10.2175/193864710798130643.

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25

Kao, C. "Using a peat biobarrier to remediate PCE/TCE contaminated aquifers." Water Research 34, no. 3 (February 15, 2000): 835–45. http://dx.doi.org/10.1016/s0043-1354(99)00213-4.

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26

Kao, C. "Enhanced PCE dechlorination by biobarrier systems under different redox conditions." Water Research 37, no. 20 (December 2003): 4885–94. http://dx.doi.org/10.1016/j.watres.2003.08.001.

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27

Kim, Geonha, Seungbong Lee, and Younguk Kim. "Subsurface biobarrier formation by microorganism injection for contaminant plume control." Journal of Bioscience and Bioengineering 101, no. 2 (February 2006): 142–48. http://dx.doi.org/10.1263/jbb.101.142.

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Hunter, William J. "Removing Selenate from Groundwater with a Vegetable Oil-Based Biobarrier." Current Microbiology 53, no. 3 (July 19, 2006): 244–48. http://dx.doi.org/10.1007/s00284-006-0119-1.

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Kao, C. M., S. C. Chen, and J. K. Liu. "Development of a biobarrier for the remediation of PCE-contaminated aquifer." Chemosphere 43, no. 8 (June 2001): 1071–78. http://dx.doi.org/10.1016/s0045-6535(00)00190-9.

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Posaric-Bauden, Monika, Karolin Isaksson, Daniel Åkerberg, Roland Andersson, and Bobby Tingstedt. "Novel anti-adhesive barrier Biobarrier reduces growth of colon cancer cells." Journal of Surgical Research 191, no. 1 (September 2014): 196–202. http://dx.doi.org/10.1016/j.jss.2014.04.002.

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Hunter, W. J. "Pilot-scale vadose zone biobarriers removed nitrate leaching from a cattle corral." Journal of Soil and Water Conservation 68, no. 1 (January 1, 2013): 52–59. http://dx.doi.org/10.2489/jswc.68.1.52.

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32

Oh, Sanghwa, and Won Sik Shin. "Removal of NO3--N in Groundwater using Silicon Tubing Inserted Polyurethane Biobarrier." Journal of Korean Society of Water Science and Technology 26, no. 1 (February 28, 2018): 87–98. http://dx.doi.org/10.17640/kswst.2018.26.1.87.

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33

Shashidhar, T., Nisha Nandanan, Ligy Philip, and S. Murty Bhallamudi. "Design of a Passive Biobarrier System for Chromium Containment in Confined Aquifers." Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management 11, no. 4 (October 2007): 216–24. http://dx.doi.org/10.1061/(asce)1090-025x(2007)11:4(216).

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Bunea, Ada-Ioana, Manto Chouliara, Stine Harloff-Helleberg, Andrew R. Bañas, Einstom L. Engay, and Jesper Glückstad. "Optical catapulting of microspheres in mucus models—toward overcoming the mucus biobarrier." Journal of Biomedical Optics 24, no. 03 (March 1, 2019): 1. http://dx.doi.org/10.1117/1.jbo.24.3.035001.

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35

Meng, Fangang, Guangyi Su, Yifang Hu, Hui Lu, Li-Nan Huang, and Guang-Hao Chen. "Improving nitrogen removal in an ANAMMOX reactor using a permeable reactive biobarrier." Water Research 58 (July 2014): 82–91. http://dx.doi.org/10.1016/j.watres.2014.03.049.

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36

Miller, Karen D., Paul C. Johnson, and Cristin L. Bruce. "Full-scale in-situ biobarrier demonstration for containment and treatment of MTBE." Remediation Journal 12, no. 1 (2001): 25–36. http://dx.doi.org/10.1002/rem.1023.

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37

Katsenovich, Yelena, Zuhal Öztürk, Marshall Allen, and Gary Wein. "Evaluation of soil solid amendments for TCE biodegradation in a biobarrier system." Remediation Journal 17, no. 3 (2007): 67–80. http://dx.doi.org/10.1002/rem.20134.

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38

Smiley, E. Thomas, Liza Wilkinson, and Bruce Fraedrich. "Root Growth Near Vertical Root Barriers after Seven Years." Arboriculture & Urban Forestry 35, no. 1 (January 1, 2009): 23–26. http://dx.doi.org/10.48044/jauf.2009.006.

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Vertical root barriers are used to redirect root growth to greater depths in the soil, thus reducing damage to the sidewalks. This study was conducted to examine root growth patterns near a variety of vertical root barriers. Thirty willow oaks (Quercus phellos) were planted in November 2000 and one of the following treatments was installed on two sides of each tree: Biobarrier, DeepRoot Universal Barrier, DeepRoot Universal Barrier with Spin Out, Tex-R, Typar Geotextile 3801, or a no-barrier control. In March 2007, the second 15-tree block was excavated to reveal the root system outside the barrier. All five root barriers significantly reduced the amount of root growth compared with the control trees. There were no differences among the products tested.
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Teerakun, Mullika, Alissara Reungsang, Chien-Jung Lin, and Chih-Hsiang Liao. "Coupling of zero valent iron and biobarriers for remediation of trichloroethylene in groundwater." Journal of Environmental Sciences 23, no. 4 (April 2011): 560–67. http://dx.doi.org/10.1016/s1001-0742(10)60448-2.

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Hsia, K. F., C. C. Chen, J. H. Ou, K. H. Lo, Y. T. Sheu, and C. M. Kao. "Treatment of petroleum hydrocarbon-polluted groundwater with innovative in situ sulfate-releasing biobarrier." Journal of Cleaner Production 295 (May 2021): 126424. http://dx.doi.org/10.1016/j.jclepro.2021.126424.

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Kasi, Murthy, John McEvoy, G. Padmanabhan, and Eakalak Khan. "Groundwater Remediation Using an Enricher Reactor-Permeable Reactive Biobarrier for Periodically Absent Contaminants." Water Environment Research 83, no. 7 (July 2011): 603–12. http://dx.doi.org/10.2175/106143011x12928814444457.

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Özkaraova, Emre Burcu, Sema Aydın, and Abdella Usman Gemechu. "Screening of organic substrates for a permeable biobarrier to remediate nitrate contaminated groundwater." Water and Environment Journal 36, no. 1 (October 26, 2021): 43–55. http://dx.doi.org/10.1111/wej.12755.

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Kuo, Y. C., S. H. Liang, S. Y. Wang, S. H. Chen, and C. M. Kao. "Application of Emulsified Substrate Biobarrier to Remediate TCE-Contaminated Groundwater: Pilot-Scale Study." Journal of Hazardous, Toxic, and Radioactive Waste 18, no. 2 (April 2014): 04014006. http://dx.doi.org/10.1061/(asce)hz.2153-5515.0000221.

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Yerushalmi, Laleh, and Serge R. Guiot. "Biodegradation of Benzene in a Laboratory-Scale Biobarrier at Low Dissolved Oxygen Concentrations." Bioremediation Journal 5, no. 1 (January 2001): 63–77. http://dx.doi.org/10.1080/20018891079195.

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Bunea, Ada-Ioana, Mogens Havsteen Jakobsen, Einstom Engay, Andrew R. Bañas, and Jesper Glückstad. "Optimization of 3D-printed microstructures for investigating the properties of the mucus biobarrier." Micro and Nano Engineering 2 (March 2019): 41–47. http://dx.doi.org/10.1016/j.mne.2018.12.004.

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Kwon, Kiwook, Hojae Shim, Wookeun Bae, Juhyun Oh, and Jisu Bae. "Simultaneous biodegradation of carbon tetrachloride and trichloroethylene in a coupled anaerobic/aerobic biobarrier." Journal of Hazardous Materials 313 (August 2016): 60–67. http://dx.doi.org/10.1016/j.jhazmat.2016.03.057.

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Lee, T. H., D. C. W. Tsang, W. H. Chen, F. Verpoort, Y. T. Sheu, and C. M. Kao. "Application of an emulsified polycolloid substrate biobarrier to remediate petroleum-hydrocarbon contaminated groundwater." Chemosphere 219 (March 2019): 444–55. http://dx.doi.org/10.1016/j.chemosphere.2018.12.028.

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Chen, B. "Non-standard Numerical Methods Applied to Subsurface Biobarrier Formation Models in Porous Media." Bulletin of Mathematical Biology 61, no. 4 (July 1999): 779–98. http://dx.doi.org/10.1006/bulm.1999.0113.

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Lee, Young-Chul, Sung Geun Woo, Eun-Sil Choi, Yeonghee Ahn, Joonhong Park, Myungjin Lee, and Ji-Won Yang. "Bench-scale ex situ diesel removal process using a biobarrier and surfactant flushing." Journal of Industrial and Engineering Chemistry 18, no. 3 (May 2012): 882–87. http://dx.doi.org/10.1016/j.jiec.2012.01.020.

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Cobas, M., L. Ferreira, T. Tavares, M. A. Sanromán, and M. Pazos. "Development of permeable reactive biobarrier for the removal of PAHs by Trichoderma longibrachiatum." Chemosphere 91, no. 5 (April 2013): 711–16. http://dx.doi.org/10.1016/j.chemosphere.2013.01.028.

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