76
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Tang X, Chera B, Lian J, Deschesne K, Chang S. SU-GG-J-109: A Study on Image Guided Radiotherapy Using Cone-Beam Computed Tomography (CBCT) for Head and Neck Cancer IMRT Patient Setup. Med Phys 2010. [DOI: 10.1118/1.3468333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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77
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Lian J, Pervez N, Joseph K, McGowan T, Radwan J, Tsao J, Wang Y, Springer C. 145 HORMONAL THERAPY IN MANAGING PROSTATE CANCER: A SURVEY OF CANADIAN PATTERNS OF PRACTICE. Radiother Oncol 2009. [DOI: 10.1016/s0167-8140(12)72532-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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78
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Lian J, Liu JX, Wei YS. Fate of nonylphenol polyethoxylates and their metabolites in four Beijing wastewater treatment plants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2009; 407:4261-8. [PMID: 19395065 DOI: 10.1016/j.scitotenv.2009.03.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2008] [Revised: 03/18/2009] [Accepted: 03/22/2009] [Indexed: 05/12/2023]
Abstract
Four Beijing wastewater treatment plants (WWTPs) were selected to investigate behaviours of nonylphenol polyethoxylates and their metabolites in different wastewater treatment processes. The results showed that the total concentrations of nonylphenolic compounds in the influents of the four WWTPs ranged from 0.115 to 0.347 mumol/L, as well as their removal efficiencies ranging from 75.7% to 90.8%. Both influent concentrations and removal efficiencies of nonylphenol polyethoxylates were correlated to seasons as follows: higher in the summer than in the winter, and influent concentrations were lower during the rain weather. The analysis revealed that 21.8-47.6% of nonylphenol polyethoxylates and their metabolites entering WWTPs were released via effluents and excess sludge, leaving a great part of them for biodegradation. Nonylphenol and short-chain nonylphenol polyethoxylates were disposed to the environment mainly via sewage sludge, while carboxylated nonylphenol polyethoxylates were the most abundant group of nonylphenol polyethoxylates in effluents.
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79
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Schreiber E, Foskey M, Cullip T, Lian J. SU-FF-T-562: Interfraction Dose Variation Resulting From Anatomic Deformation in CyberKnife Prostate Radiosurgery. Med Phys 2009. [DOI: 10.1118/1.3182060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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80
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Lian J, Foskey M, Rosenman J, Tracton G, Chang S. SU-FF-J-169: A Hybrid Deformable Registration Method to Warp Image with Contrast. Med Phys 2009. [DOI: 10.1118/1.3181462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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81
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Tang X, Lin T, Jiang S, Sandhu A, Chang S, Lian J, Chaney E. SU-FF-J-52: Towards On-Line Treatment Verification Using Cine EPID Images for Hypofractionated Lung IMRT. Med Phys 2009. [DOI: 10.1118/1.3181344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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82
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Lian J, Foskey M, Wang S, Shen D, Chang S. MO-FF-A3-02: In-Vivo Correspondence Validation of a Deformable Image Registration Method. Med Phys 2009. [DOI: 10.1118/1.3182290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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83
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Foskey M, Tracton G, Lian J, Tang X, Chang S. SU-FF-J-139: Cumulative Dose to the Rectal Wall and Implications for Prostate IGRT Treatment Planning. Med Phys 2009. [DOI: 10.1118/1.3181431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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84
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Wang W, Liu G, Cho H, Guo Y, Shi D, Lian J, Ewing R. Surface charge induced Stark effect on luminescence of quantum dots conjugated on functionalized carbon nanotubes. Chem Phys Lett 2009. [DOI: 10.1016/j.cplett.2008.12.065] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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85
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Zhang F, Lang M, Ewing R, Lian J, Wang Z, Hu J, Boatner L. Pressure-induced zircon-type to scheelite-type phase transitions in YbPO4 and LuPO4. J SOLID STATE CHEM 2008. [DOI: 10.1016/j.jssc.2008.06.042] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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86
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Lian J, Cullip T, Deschesne K, Harris S, Varia M, Chang S. Film to CT Registration to Accumulate Dose of Brachytherapy and External Beam Radiotherapy Planning for Cervical Cancer. Int J Radiat Oncol Biol Phys 2008. [DOI: 10.1016/j.ijrobp.2008.06.189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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87
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Lian J, Cullip T, Deschesne K, Chang S. SU-GG-T-09: Dose Accumulation From Film-Based Brachytherapy Planning and CT-Based External Beam Radiotherapy Planning. Med Phys 2008. [DOI: 10.1118/1.2961759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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88
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Lian J, Eljabaly K, Potter L, Deschesne K, Chang S. SU-GG-T-24: Dose Difference of Nucletron HDR Planning with Three Source Localization Methods. Med Phys 2008. [DOI: 10.1118/1.2961774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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89
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Potter L, Lian J, Morris D, Deschesne K, Ewend M, Chang S. SU-GG-T-455: Feasibility Study of Treating Multiple Tumors Simultaneously with a 4-Bank MMLC Stereotactic Radiosurgery System. Med Phys 2008. [DOI: 10.1118/1.2962203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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90
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Sartor CI, Kimple RJ, Kuzmiak CM, Pavic D, Lian J, Chang XS, Moore DT, Phipps RF, Esler L, Klauber-Demore N, Ollila DW. Cosmetic outcomes following single-dose intraoperative radiotherapy for early stage breast cancer. J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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91
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Li S, Tu Q, Zhang J, Stein G, Lian J, Yang PS, Chen J. Systemically transplanted bone marrow stromal cells contributing to bone tissue regeneration. J Cell Physiol 2008; 215:204-9. [PMID: 17960569 DOI: 10.1002/jcp.21302] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bone marrow stromal cells (BMSCs) are a rich source of osteogenic progenitor cells. A fundamental question is whether systemically transplanted BMSCs participate in bone regeneration. Luciferase and GFP double-labeled BMSCs were transplanted into irradiated mice. Five weeks after transplantation, artificial bone wounds were created in the mandibles and calvaria of the recipients. Animals were sacrificed at weeks 2, 4, and 6 after surgery and the expressions of luciferase and GFP were determined using Xenogen IVIS Imaging System, immunohistochemical staining and RT-PCR. The results demonstrated that transplanted BMSCs can be detected in wound sites as early as 2 weeks and lasted the whole experimental period. Luciferase expression peaked at 2 weeks after surgery and decreased thereafter, exhibiting a similar expression pattern as that of BSP, while GFP expression was relatively stable during the experimental period. In conclusion, BMSCs can migrate to bone wound sites and participate in bone regeneration in orocraniofacial region.
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92
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Zhang FX, Wang JW, Lian J, Lang MK, Becker U, Ewing RC. Phase stability and pressure dependence of defect formation in Gd2Ti2O7 and Gd2Zr2O7 pyrochlores. PHYSICAL REVIEW LETTERS 2008; 100:045503. [PMID: 18352296 DOI: 10.1103/physrevlett.100.045503] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2007] [Indexed: 05/26/2023]
Abstract
We report dramatically different behaviors between isostructural Gd2Ti2O7 and Gd2Zr2O7 pyrochlore at pressures up to 44 GPa, in which the substitution of Ti for Zr significantly increases structural stability. Upon release of pressure, the Gd2Ti2O7 becomes amorphous. In contrast, the high-pressure phase of Gd2Zr2O7 transforms to a disordered defect-fluorite structure. First-principle calculations for both compositions revealed that the response of pyrochlore to high pressure is controlled by the intrinsic energetics of defect formation.
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93
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Liu ZD, Du ZW, Lian J, Zhu XY, Li SH, Li HR. Improving energy accumulation of microbial fuel cells by metabolism regulation using Rhodoferax ferrireducens as biocatalyst. Lett Appl Microbiol 2007; 44:393-8. [PMID: 17397477 DOI: 10.1111/j.1472-765x.2006.02088.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
AIMS To study the physiology and metabolism of microbial cells in the performance of microbial fuel cells (MFCs). METHODS AND RESULTS A dual-chamber MFCs was constructed, and Rhodoferax ferrireducens was used as biocatalyst. To examine the physiology of microbial cells in the performance of MFCs, the anode media containing planktonic cells was replaced with fresh media in which KH(2)PO(4) and/or NH(4)Cl were excluded. The replacing of anode media containing planktonic cells with fresh media excluded of KH(2)PO(4) and NH(4)Cl made the coulombic yield remarkably increased by a factor of 68% (from 29.1 to 46.8C). The results showed that the electricity could be generated with cells in biofilms as biocatalyst, and coulombic yield was improved by limiting cell growth via removal of ingredients in anode media. By supplementation of glucose to the anode media when current declined to baseline, MFCs achieved about same platform current values immediately. MFCs could continue to produce electricity for about 30 h even after glucose was below detection. CONCLUSIONS Biofilms and metabolism of glucose play important roles in the performance of MFCs. Coulombic yield of MFCs could be improved by regulating the media ingredients using the stable biofilms-electrode system. SIGNIFICANCE AND IMPACT OF THE STUDY This is the first attempt to study the effect of ingredient compositions of anode media on the performance of MFCs. The observed results that MFCs continued to produce electricity after glucose was below detection was helpful to better understand the mechanism of microbial electricity production.
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Zhang F, Lian J, Becker U, Ewing R, Wang L, Hu J, Saxena S. Structural change of layered perovskite La2Ti2O7 at high pressures. J SOLID STATE CHEM 2007. [DOI: 10.1016/j.jssc.2006.11.022] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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96
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Lian J, Pervez N, Nijjar T, Quon H, Robinson D, Murray B, Butts C, Joy A, Reiman T, Smylie M, Hanson J, Amanie J, McEwan A, Roa W. 103 An Institutional experience of PET-guided high-dose IMRT with self-respiratory gating in the treatment of non-small cell lung cancer. Radiother Oncol 2006. [DOI: 10.1016/s0167-8140(06)80844-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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97
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Quon H, Sasaki D, Lian J, Field C, Scrimger R, Fallone G, Roa W, Pervez N. 105 MVCT Versus kVCT images for radiotherapy planning in prostate cancer patients with hip prostheses. Radiother Oncol 2006. [DOI: 10.1016/s0167-8140(06)80846-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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98
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Lian J, Cullip T, Deschesne K, Chang S. SU-FF-T-130: Clinical Significance Based IMRT QA Approach. Med Phys 2006. [DOI: 10.1118/1.2241055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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99
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Lian J, Helean KB, Kennedy BJ, Wang LM, Navrotsky A, Ewing RC. Effect of Structure and Thermodynamic Stability on the Response of Lanthanide Stannate Pyrochlores to Ion Beam Irradiation. J Phys Chem B 2006; 110:2343-50. [PMID: 16471823 DOI: 10.1021/jp055266c] [Citation(s) in RCA: 154] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The lanthanide stannates, Ln2Sn2O7, Ln=La-Lu and Y, have the isometric pyrochlore structure, A2B2O7, and their structural properties have been refined by Rietveld analysis of powder neutron and synchrotron X-ray diffraction data. In this study, the enthalpies of formation of selected stannate pyrochlores, Ln=La, Nd, Sm, Eu, Dy, and Yb, were measured by high-temperature oxide melt solution calorimetry. Their radiation response was determined by 1 MeV Kr2+ ion irradiation combined with in situ TEM observation over the temperature range of 25 to 1000 K. The enthalpy of formation from binary oxides of stannate pyrochlores became more endothermic (from -145 to -40 kJ/mol) as the size of the lanthanide in the A-site decreases. A more exothermic trend of the enthalpy of formation was observed in stannate pyrochlores with larger lanthanide ions, particularly La, possibly as a result of increased covalency in the Sn-O bond. In contrast to lanthanide titanate pyrochlores, Ln2Ti2O7, that are generally susceptible to radiation-induced amorphization and zirconate pyrochlores, Ln2Zr2O7, that are generally resistant to radiation-induced amorphization, the lanthanide stannate pyrochlores show a much greater variation in their response to ion irradiation. La, Nd, and Gd stannates experience the radiation-induced transformation to the aperiodic state, and the critical amorphization temperatures are approximately 960, 700, and 350 K, respectively. Y and Er stannate pyrochlores cannot be amorphized by ion beam irradiation, even at 25 K, and instead disorder to a defect fluorite structure. Comparison of the calorimetric and ion irradiation data for titanate, zirconate, and stannate pyrochlores reveals a strong correlation among subtle changes in crystal structure with changing composition, the energetics of the disordering process, and the temperature above which the material can no longer be amorphized. In summary, as the structure approaches the ideal, ordered pyrochlore structure, radiation-induced amorphization is more easily attained. This is consistent with an increasingly exothermic trend in the enthalpies of formation of pyrochlores from the oxides, that is, the greater the thermochemical stability of the pyrochlore structure, the more likely it will be amorphized upon radiation damage rather than recover to a disordered fluorite structure.
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Mitra R, Bagala T, Olch A, Das I, Cheng C, Chopra K, Hasson B, Jiang Z, Murphy S, Lian J, Ahnesjo A. SU-FF-T-70: Dosimetric Comparison of Inhomogeniety Corrections in IMRT Treatment Planning Systems: A Collaborative Study. Med Phys 2005. [DOI: 10.1118/1.1997741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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