Key Documents

Lei Xing

Professor, Radiation Oncology - Radiation Physics
Member, Bio-X
Member, Cancer Center

Contact Information

Clinical Offices
Academic Offices

Personal Information
Email lei@reyes.stanford.edu Tel (650) 498-7896

Administrative Contact
Tracy Nash Administritive Associate Email tnash@stanford.edu Tel Work 725-4099

Administrative Appointments

Chief of Medical Physics Research, Department of Radiation Oncology, Stanford University , (2007– present )
Member of ZRG1 (Quick Trials on Imaging and Image-Guided Intervention) section, National Institute of Health , (2008– present )
Member of Clinical Research and Cancer Epidemiology (CCE) Committee, American Cancer Society , (2006– present )
Member of international advisory board, Physics in Medicine and Bilogy , (2008– present )
Associate Editor, Medical Physics Journal , (2003– 2008 )

Honors and Awards

Research Scholar of 2005, American Cancer Society (2005)
Basic Science Investigator Award, American Society of Therapeutic Radiology (ASTRO). (2002)
Research Scholar Award, American Cancer Society (2001)
Concept Award for Breast Cancer Research, Department of Defense (2001)

Professional Education

PhD, Johns Hopkins University Physics (1992)

Postdoctoral Advisees

Colin Carpenter, Tae Ho Kim, Ho Lee, Wu Liu, Pavel Lougovski, Yunzhi Ma, Jianguo Qian, Lasitha Senadheera, Conroy Sun, Jing Wang

Community & International Work

Clinical implementation of intensity modulated radiation therapy More »

Web Site Links

Xing Lab

Research Interests

Biologically conformal radiation therapy (BCRT) and IMRT;
Metabolic imaging (MRSI, PET/CT) for tumor delineation and assessment of therapeutic response;
Radionuclide imaging based on novel tracers;
Radiological and molecular/metablolic image-guided radiation therapy;
Deformable image registration and removal of PET/CT respiratory artifacts;
Radiobiology study using molecular imaging (small animal PET, CT, MRI, optical);
Computer optimization of clinical decision-making and internet medicine.

Clinical Trials

Real-Time kV Imaging vs. Real-Time 3D Patient Surface Tracking for Head & Neck Cancer Recruiting
Cervical Nodal Mets in Squamous Cell Carcinoma of H&N - MRI, FDG-PET, & Histopathologic Correlation No longer recruiting
Endoscopic Capillary Oximetry for Tumor Diagnosis in Head and Neck Cancer No longer recruiting
Indirect Magnetic Resonance Lymphangiography of the Head and Neck Region Using Conventional Gadolinium-based Contrast Completed
Phase I Dose Escalation of Stereotactic Radiosurgical Boost for Locally Advanced Esophageal Cancer No longer recruiting

Publications

Registration of onboard x-ray images with 4DCT for phase verification and setup of gated radiotherapy, in press Xing L, Xu Q, Hamilton R. European Journal of Medical Physics.
Predicting respiratory tumor motion with multi-dimensional adaptive filters and support vector regression. Riaz N, Shanker P, Wiersma R, Gudmundsson O, Mao W, Widrow B, Xing L. Phys Med Biol. 2009; 54 (19): 5735-48
Four-dimensional inverse treatment planning with inclusion of implanted fiducials in IMRT segmented fields. Ma Y, Lee L, Keshet O, Keall P, Xing L. Med Phys. 2009; 36 (6): 2215-21
Scatter correction for cone-beam CT in radiation therapy. Zhu L, Xie Y, Wang J, Xing L. Med Phys. 2009; 36 (6): 2258-68
Search for IMRT inverse plans with piecewise constant fluence maps using compressed sensing techniques. Zhu L, Xing L. Med Phys. 2009; 36 (5): 1895-905
Tissue feature-based and segmented deformable image registration for improved modeling of shear movement of lungs. Xie Y, Chao M, Xing L. Int J Radiat Oncol Biol Phys. 2009; 74 (4): 1256-65
Image-guided radiotherapy in near real time with intensity-modulated radiotherapy megavoltage treatment beam imaging. Mao W, Hsu A, Riaz N, Lee L, Wiersma R, Luxton G, King C, Xing L, Solberg T. Int J Radiat Oncol Biol Phys. 2009; 75 (2): 603-10
Noise suppression in scatter correction for cone-beam CT. Zhu L, Wang J, Xing L. Med Phys. 2009; 36 (3): 741-52
Iterative image reconstruction for CBCT using edge-preserving prior. Wang J, Li T, Xing L. Med Phys. 2009; 36 (1): 252-60
Medical Physics Xing L, Wang J, Li T. Iterative image reconstruction for CBCT using edge-preserving prior. 2009; 34 252-260
Xing L, Paquin D, Levy D. Multiscale registration of planning CT and daily cone beam CT images for adaptive radiation therapy. 2009; 36 4-11
Use of MV and kV imager correlation for maintaining continuous real-time 3D internal marker tracking during beam interruptions. Wiersma RD, Riaz N, Dieterich S, Suh Y, Xing L. Phys Med Biol. 2009; 54 (1): 89-103
Beam's-Eye-View Dosimetrics-Guided Inverse Planning for Aperture-Modulated Arc Therapy. Ma Y, Popple R, Suh TS, Xing L. Int J Radiat Oncol Biol Phys. 2009;
Pancreatic tumor motion on a single planning 4D-CT does not correlate with intrafraction tumor motion during treatment. Minn AY, Schellenberg D, Maxim P, Suh Y, McKenna S, Cox B, Dieterich S, Xing L, Graves E, Goodman KA, Chang D, Koong AC. Am J Clin Oncol. 2009; 32 (4): 364-8
Dose reduction in kV cone beam CT for radiation therapy Xing L, Wang J, Li T, Liang Z. Physics in Medicine and Biology. 2008; 53 2897-2909
Contour propagation from planning CT to cone beam CT (CBCT) Xing L, Chao M, Schreibmann E, Li T. Physics in Medicine and Biology. 2008; 53 4533-4542
Auto-propagation of contours for adaptive prostate radiation therapy. Chao M, Xie Y, Xing L. Phys Med Biol. 2008; 53 (17): 4533-42
Intrafractional motion of the prostate during hypofractionated radiotherapy. Xie Y, Djajaputra D, King CR, Hossain S, Ma L, Xing L. Int J Radiat Oncol Biol Phys. 2008; 72 (1): 236-46
A fiducial detection algorithm for real-time image guided IMRT based on simultaneous MV and kV imaging. Mao W, Riaz N, Lee L, Wiersma R, Xing L. Med Phys. 2008; 35 (8): 3554-64
MRI-based treatment planning with electron density information mapped from CT images: a preliminary study. Wang C, Chao M, Lee L, Xing L. Technol Cancer Res Treat. 2008; 7 (5): 341-8
Feature-based rectal contour propagation from planning CT to cone beam CT. Xie Y, Chao M, Lee P, Xing L. Med Phys. 2008; 35 (10): 4450-9
Using total-variation regularization for intensity modulated radiation therapy inverse planning with field-specific numbers of segments. Zhu L, Lee L, Ma Y, Ye Y, Mazzeo R, Xing L. Phys Med Biol. 2008; 53 (23): 6653-72
Real-time 3D internal marker tracking during arc radiotherapy by the use of combined MV-kV imaging. Liu W, Wiersma RD, Mao W, Luxton G, Xing L. Phys Med Biol. 2008; 53 (24): 7197-213
The use of EPID-measured leaf sequence files for IMRT dose reconstruction in adaptive radiation therapy. Lee L, Mao W, Xing L. Med Phys. 2008; 35 (11): 5019-29
Xing L, Kashani R, Hub M, Balter JM, Kessler M, dong L, Zhang L, Xie Y, Hawkes D, Schnabel JA, McClelland J, Joshi S, Chen C, Lu W. Objective assessment of deformable image registration in radiotherapy: Amulti-institution study. 2008; 35 5944-5953
Xing L, Xie Y, Chao M. Modeling the shear movement of the lungs during respiration using tissue feature-based image registration, conditionally accepted. 2008;
Xing L, Wang J, Li T. Dose reduction in fluoscopic imaging, conditionally accepted. 2008;
Xing L, Zhu L, Wang J. Noise suppression in scatter correction for cone-beam CT, in press. 2008;
Xing L, Minn Y, Schellenberg D, mazim P, Suh Y, Cox B, Dieterich S, Goodman KA, Chang D, Koong A. Pancreatic tumor motion on a single planning 4D-CT dose not correlate with intrafraction tumor motion during treatment, in press. 2008;
Auto-mapping of rectum contour for prostate adaptive therapy inverse planning Xing L, Xie Y, Chao M. Medical Physics. 2008; (accepted)
Fast fiducial detection algorithm for onboard MV and kV imaging systems Xing L, Mao W, Wiersma R. Medical Physics. 2008; 35 1942-1949
Real-time monitoring of implanted fiducials using onboard kV and treatment MV beams Xing L, Wiersma R. Medical Physics. 2008; 35 1191-1198
4D-4D Image registration for image guided radiation therapy (IGRT) Xing L, Schreibmann E, Thorndyke B. International Journal of Radiation Oncology, Biology and Physics. 2008; 71 578-586
Design of multi-purpose phantom and automated software analysis tool for quality assurance of onboard kV/MV imaging system Xing L, Mao W, Lee L. Medical Physics. 2008; 35 1497-1506
Quality assurance of PET/CT for radiation therapy Xing L, International Journal of Radiation Oncology, Biology and Physics. 2008; 71 S38-41
Reducing respiratory motion artifacts in radionuclide imaging through retrospective stacking: A simulation study Xing L, Thorndyke B, Koong A. Linear Algebra and its Applications. 2008; 428 1325-1344
Fast internal marker tracking algorithm for onboard MV and kV imaging systems. Mao W, Wiersma RD, Xing L. Med Phys. 2008; 35 (5): 1942-9
Individualized gating windows based on four-dimensional CT information for respiration-gated radiotherapy. Wink NM, Chao M, Antony J, Xing L. Phys Med Biol. 2008; 53 (1): 165-75
Quality assurance of positron emission tomography/computed tomography for radiation therapy. Xing L, Int J Radiat Oncol Biol Phys. 2008; 71 (1 Suppl): S38-42
Combined kV and MV imaging for real-time tracking of implanted fiducial markers. Wiersma RD, Mao W, Xing L. Med Phys. 2008; 35 (4): 1191-8
Development of a QA phantom and automated analysis tool for geometric quality assurance of on-board MV and kV x-ray imaging systems. Mao W, Lee L, Xing L. Med Phys. 2008; 35 (4): 1497-506
Dose reduction for kilovotage cone-beam computed tomography in radiation therapy. Wang J, Li T, Liang Z, Xing L. Phys Med Biol. 2008; 53 (11): 2897-909
Retrospective IMRT dose reconstruction based on cone-beam CT and MLC log-file. Lee L, Le QT, Xing L. Int J Radiat Oncol Biol Phys. 2008; 70 (2): 634-44
Automated contour mapping with a regional deformable model. Chao M, Li T, Schreibmann E, Koong A, Xing L. Int J Radiat Oncol Biol Phys. 2008; 70 (2): 599-608
In vivo bioluminescence tumor imaging of RGD peptide-modified adenoviral vector encoding firefly luciferase reporter gene. Niu G, Xiong Z, Cheng Z, Cai W, Gambhir SS, Xing L, Chen X. Mol Imaging Biol. 2007 May-Jun; 9 (3): 126-34
Enhanced 4D cone-beam CT with inter-phase motion model. Li T, Koong A, Xing L. Med Phys. 2007; 34 (9): 3688-95
CT image registration in sinogram space. Mao W, Li T, Wink N, Xing L. Med Phys. 2007; 34 (9): 3596-602
Evaluation of patterns of failure and subjective salivary function in patients treated with intensity modulated radiotherapy for head and neck squamous cell carcinoma. Daly ME, Lieskovsky Y, Pawlicki T, Yau J, Pinto H, Kaplan M, Fee WE, Koong A, Goffinet DR, Xing L, Le QT. Head Neck. 2007; 29 (3): 211-20
Optimizing 4D cone-beam CT acquisition protocol for external beam radiotherapy. Li T, Xing L. Int J Radiat Oncol Biol Phys. 2007; 67 (4): 1211-9
Evaluation of on-board kV cone beam CT (CBCT)-based dose calculation. Yang Y, Schreibmann E, Li T, Wang C, Xing L. Phys Med Biol. 2007; 52 (3): 685-705
Investigation of linac-based image-guided hypofractionated prostate radiotherapy. Pawlicki T, Kim GY, Hsu A, Cotrutz C, Boyer AL, Xing L, King CR, Luxton G. Med Dosim. 2007; 32 (2): 71-9
Formulating adaptive radiation therapy (ART) treatment planning into a closed-loop control framework. de la Zerda A, Armbruster B, Xing L. Phys Med Biol. 2007; 52 (14): 4137-53
Hybrid Multiscale Landmark and Deformable Image Registration Paqin D., Levy D, Xing L.. Mathematical Biosciences and Engineering. 2007; 4 711 –737
Computational challenges for image-guided radiation therapy: framework and current research. Xing L, Siebers J, Keall P. Semin Radiat Oncol. 2007; 17 (4): 245-57
Automated contour mapping using sparse volume sampling for 4D radiation therapy. Chao M, Schreibmann E, Li T, Wink N, Xing L. Med Phys. 2007; 34 (10): 4023-9
Examination of geometric and dosimetric accuracies of gated step-and-shoot intensity modulated radiation therapy. Wiersma RD, Xing L. Med Phys. 2007; 34 (10): 3962-70
Point/Counterpoint. Kilovoltage imaging is more suitable than megavoltage imaging for guiding radiation therapy. Xing L, Chang J, Orton CG. Med Phys. 2007; 34 (12): 4563-6
Scatter correction method for X-ray CT using primary modulation: theory and preliminary results. Zhu L, Bennett NR, Fahrig R. IEEE Trans Med Imaging. 2006; 25 (12): 1573-87
Overview of image-guided radiation therapy. Xing L, Thorndyke B, Schreibmann E, Yang Y, Li TF, Kim GY, Luxton G, Koong A. Med Dosim. 2006; 31 (2): 91-112
Motion correction for improved target localization with on-board cone-beam computed tomography. Li T, Schreibmann E, Yang Y, Xing L. Phys Med Biol. 2006; 51 (2): 253-67
18F-labeled bombesin analogs for targeting GRP receptor-expressing prostate cancer. Zhang X, Cai W, Cao F, Schreibmann E, Wu Y, Wu JC, Xing L, Chen X. J Nucl Med. 2006; 47 (3): 492-501
Image interpolation in 4D CT using a BSpline deformable registration model. Schreibmann E, Chen GT, Xing L. Int J Radiat Oncol Biol Phys. 2006; 64 (5): 1537-50
Model-based image reconstruction for four-dimensional PET. Li T, Thorndyke B, Schreibmann E, Yang Y, Xing L. Med Phys. 2006; 33 (5): 1288-98
Reducing respiratory motion artifacts in positron emission tomography through retrospective stacking. Thorndyke B, Schreibmann E, Koong A, Xing L. Med Phys. 2006; 33 (7): 2632-41
Indirect MR lymphangiography of the head and neck using conventional gadolinium contrast: a pilot study in humans. Loo BW, Draney MT, Sivanandan R, Ruehm SG, Pawlicki T, Xing L, Herfkens RJ, Le QT. Int J Radiat Oncol Biol Phys. 2006; 66 (2): 462-8
Four-dimensional cone-beam computed tomography using an on-board imager. Li T, Xing L, Munro P, McGuinness C, Chao M, Yang Y, Loo B, Koong A. Med Phys. 2006; 33 (10): 3825-33
Combination of integrin siRNA and irradiation for breast cancer therapy. Cao Q, Cai W, Li T, Yang Y, Chen K, Xing L, Chen X. Biochem Biophys Res Commun. 2006; 351 (3): 726-32
Multistage image registration (figures featured in the cover of the issue of the journal) Paquin D,, Levy D, Schreibmann E., Xing L. Mathematical Biosciences and Engineering. 2006; 3 (1): 389-418
Image registration with auto-mapped control volumes. Schreibmann E, Xing L. Med Phys. 2006; 33 (4): 1165-79
In vivo prostate magnetic resonance spectroscopic imaging using two-dimensional J-resolved PRESS at 3 T. Kim DH, Margolis D, Xing L, Daniel B, Spielman D. Magn Reson Med. 2005; 53 (5): 1177-82
Quantitation of the a priori dosimetric capabilities of spatial points in inverse planning and its significant implication in defining IMRT solution space. Shou Z, Yang Y, Cotrutz C, Levy D, Xing L. Phys Med Biol. 2005; 50 (7): 1469-82
Measurement of ionizing radiation using carbon nanotube field effect transistor. Tang XW, Yang Y, Kim W, Wang Q, Qi P, Dai H, Xing L. Phys Med Biol. 2005; 50 (3): N23-31
Towards biologically conformal radiation therapy (BCRT): selective IMRT dose escalation under the guidance of spatial biology distribution. Yang Y, Xing L. Med Phys. 2005; 32 (6): 1473-84
Optical detection of tumors in vivo by visible light tissue oximetry. Maxim PG, Carson JJ, Benaron DA, Loo BW, Xing L, Boyer AL, Friedland S. Technol Cancer Res Treat. 2005; 4 (3): 227-34
Dose-volume based ranking of incident beam direction and its utility in facilitating IMRT beam placement. Schreibmann E, Xing L. Int J Radiat Oncol Biol Phys. 2005; 63 (2): 584-93
Narrow band deformable registration of prostate magnetic resonance imaging, magnetic resonance spectroscopic imaging, and computed tomography studies. Schreibmann E, Xing L. Int J Radiat Oncol Biol Phys. 2005; 62 (2): 595-605
Optimization of radiotherapy dose-time fractionation with consideration of tumor specific biology. Yang Y, Xing L. Med Phys. 2005; 32 (12): 3666-77
Radiation dose reduction in four-dimensional computed tomography. Li T, Schreibmann E, Thorndyke B, Tillman G, Boyer A, Koong A, Goodman K, Xing L. Med Phys. 2005; 32 (12): 3650-60
The value of PET/CT is being over-sold as a clinical tool in radiation oncology. For the proposition. Xing L, Med Phys. 2005; 32 (6): 1457-8
Quantitative measurement of MLC leaf displacements using an electronic portal image device. Yang Y, Xing L. Phys Med Biol. 2004; 49 (8): 1521-33
Inverse treatment planning with adaptively evolving voxel-dependent penalty scheme. Yang Y, Xing L. Med Phys. 2004; 31 (10): 2839-44
Feasibility study of beam orientation class-solutions for prostate IMRT. Schreibmann E, Xing L. Med Phys. 2004; 31 (10): 2863-70
Mapping of the prostate in endorectal coil-based MRI/MRSI and CT: a deformable registration and validation study. Lian J, Xing L, Hunjan S, Dumoulin C, Levin J, Lo A, Watkins R, Rohling K, Giaquinto R, Kim D, Spielman D, Daniel B. Med Phys. 2004; 31 (11): 3087-94
Clinical knowledge-based inverse treatment planning. Yang Y, Xing L. Phys Med Biol. 2004; 49 (22): 5101-17
Incorporating model parameter uncertainty into inverse treatment planning. Lian J, Xing L. Med Phys. 2004; 31 (9): 2711-20
Therapeutic treatment plan optimization with probability density-based dose prescription. Lian J, Cotrutz C, Xing L. Med Phys. 2003; 30 (4): 655-66
IMRT dose shaping with regionally variable penalty scheme. Cotrutz C, Xing L. Med Phys. 2003; 30 (4): 544-51
Using the volumetric effect of a finite-sized detector for routine quality assurance of multileaf collimator leaf positioning. Yang Y, Xing L. Med Phys. 2003; 30 (3): 433-41
Incorporating leaf transmission and head scatter corrections into step-and-shoot leaf sequences for IMRT. Yang Y, Xing L. Int J Radiat Oncol Biol Phys. 2003; 55 (4): 1121-34
Independent dosimetric calculation with inclusion of head scatter and MLC transmission for IMRT. Yang Y, Xing L, Li JG, Palta J, Chen Y, Luxton G, Boyer A. Med Phys. 2003; 30 (11): 2937-47
Quality assurance of magnetic resonance spectroscopic imaging-derived metabolic data. Hunjan S, Adalsteinsson E, Kim DH, Harsh GR, Boyer AL, Spielman D, Xing L. Int J Radiat Oncol Biol Phys. 2003; 57 (4): 1159-73
Segment-based dose optimization using a genetic algorithm. Cotrutz C, Xing L. Phys Med Biol. 2003; 48 (18): 2987-98
Inverse planning for functional image-guided IMRT L. Xing, Cotrutz C, Hunjun S, Boyer AL, Adalsteinsson E, and Spielman D. Physics in Medicine and Biology. 2002; 47 3567-3578
A three-source model for the calculation of head scatter factors. Yang Y, Xing L, Boyer AL, Song Y, Hu Y. Med Phys. 2002; 29 (9): 2024-33
Incorporating prior knowledge into beam orientation optimization in IMRT. Pugachev A, Xing L. Int J Radiat Oncol Biol Phys. 2002; 54 (5): 1565-74
Inverse planning for functional image-guided intensity-modulated radiation therapy. Xing L, Cotrutz C, Hunjan S, Boyer AL, Adalsteinsson E, Spielman D. Phys Med Biol. 2002; 47 (20): 3567-78
Application of constrained least-squares techniques to IMRT treatment planning. Crooks SM, Xing L. Int J Radiat Oncol Biol Phys. 2002; 54 (4): 1217-24
Examination of the effect of increasing the number of radiation beams on a radiation treatment plan. Crooks SM, Pugachev A, King C, Xing L. Phys Med Biol. 2002; 47 (19): 3485-501
Minimizing delivery time and monitor units in static IMRT by leaf-sequencing. Crooks SM, McAven LF, Robinson DF, Xing L. Phys Med Biol. 2002; 47 (17): 3105-16
Using voxel-dependent importance factors for interactive DVH-based dose optimization. Cotrutz C, Xing L. Phys Med Biol. 2002; 47 (10): 1659-69
Computer-assisted selection of coplanar beam orientations in intensity-modulated radiation therapy. Pugachev A, Xing L. Phys Med Biol. 2001; 46 (9): 2467-76
Role of beam orientation optimization in intensity-modulated radiation therapy. Pugachev A, Li JG, Boyer AL, Hancock SL, Le QT, Donaldson SS, Xing L. Int J Radiat Oncol Biol Phys. 2001; 50 (2): 551-60
Pseudo beam's-eye-view as applied to beam orientation selection in intensity-modulated radiation therapy. Pugachev A, Xing L. Int J Radiat Oncol Biol Phys. 2001; 51 (5): 1361-70
Linear algebraic methods applied to intensity modulated radiation therapy. Crooks SM, Xing L. Phys Med Biol. 2001; 46 (10): 2587-606
A dose-volume histogram based optimization algorithm for ultrasound guided prostate implants. Chen Y, Boyer AL, Xing L. Med Phys. 2000; 27 (10): 2286-92
Monte Carlo verification of IMRT dose distributions from a commercial treatment planning optimization system. Ma CM, Pawlicki T, Jiang SB, Li JS, Deng J, Mok E, Kapur A, Xing L, Ma L, Boyer AL. Phys Med Biol. 2000; 45 (9): 2483-95
Computer verification of fluence map for intensity modulated radiation therapy. Xing L, Li JG. Med Phys. 2000; 27 (9): 2084-92
Inverse planning incorporating organ motion. Li JG, Xing L. Med Phys. 2000; 27 (7): 1573-8
Beam orientation optimization in intensity-modulated radiation treatment planning. Pugachev AB, Boyer AL, Xing L. Med Phys. 2000; 27 (6): 1238-45
Dosimetric effects of patient displacement and collimator and gantry angle misalignment on intensity modulated radiation therapy. Xing L, Lin Z, Donaldson SS, Le QT, Tate D, Goffinet DR, Wolden S, Ma L, Boyer AL. Radiother Oncol. 2000; 56 (1): 97-108
Breast-conserving radiation therapy using combined electron and intensity-modulated radiotherapy technique. Li JG, Williams SS, Goffinet DR, Boyer AL, Xing L. Radiother Oncol. 2000; 56 (1): 65-71
Monitor unit calculation for an intensity modulated photon field by a simple scatter-summation algorithm. Xing L, Chen Y, Luxton G, Li JG, Boyer AL. Phys Med Biol. 2000; 45 (3): N1-7
Clinical implementation of wedge filter optimization in three-dimensional radiotherapy treatment planning. Li JG, Boyer AL, Xing L. Radiother Oncol. 1999; 53 (3): 257-64
Matching photon and electron fields with dynamic intensity modulation. Li JG, Xing L, Boyer AL, Hamilton RJ, Spelbring DR, Turian JV. Med Phys. 1999; 26 (11): 2379-84
Estimation theory and model parameter selection for therapeutic treatment plan optimization. Xing L, Li JG, Pugachev A, Le QT, Boyer AL. Med Phys. 1999; 26 (11): 2348-58
Optimization of importance factors in inverse planning. Xing L, Li JG, Donaldson S, Le QT, Boyer AL. Phys Med Biol. 1999; 44 (10): 2525-36
Synchronizing dynamic multileaf collimators for producing two-dimensional intensity-modulated fields with minimum beam delivery time. Ma L, Boyer AL, Ma CM, Xing L. Int J Radiat Oncol Biol Phys. 1999; 44 (5): 1147-54
Theoretical considerations of monitor unit calculations for intensity modulated beam treatment planning. Boyer A, Xing L, Ma CM, Curran B, Hill R, Kania A, Bleier A. Med Phys. 1999; 26 (2): 187-95
Dosimetric verification of a commercial inverse treatment planning system. Xing L, Curran B, Hill R, Holmes T, Ma L, Forster KM, Boyer AL. Phys Med Biol. 1999; 44 (2): 463-78
A three-dimensional algorithm for optimizing beam weights and wedge filters. Xing L, Hamilton RJ, Pelizzari C, Chen GT. Med Phys. 1998; 25 (10): 1858-65
An optimized leaf-setting algorithm for beam intensity modulation using dynamic multileaf collimators. Ma L, Boyer AL, Xing L, Ma CM. Phys Med Biol. 1998; 43 (6): 1629-43
Fast iterative algorithms for three-dimensional inverse treatment planning. Xing L, Hamilton RJ, Spelbring D, Pelizzari CA, Chen GT, Boyer AL. Med Phys. 1998; 25 (10): 1845-9
Optimization of Beam Weights and Wedge Filters Xing L, Hamilton RJ, Pelizzari C, Chen GTY. Medical Physics. 1997; 24 215-222
Interference of BAD (Bcl-xL/Bcl-2-associated death promoter)-induced apoptosis in mammalian cells by 14-3-3 isoforms and P11. Hsu SY, Kaipia A, Zhu L, Hsueh AJ. Mol Endocrinol. 1997; 11 (12): 1858-67
Iterative Algorithms for Inverse Planning L Xing, G Chen. Physics in Meidicine and Bilogy. 1996; 41 2107-23
Transcriptional control of the invariant chain gene involves promoter and enhancer elements common to and distinct from major histocompatibility complex class II genes. Zhu L, Jones PP. Mol Cell Biol. 1990; 10 (8): 3906-16
Herpes simplex virus 1 helicase-primase: a complex of three herpes-encoded gene products. Crute JJ, Tsurumi T, Zhu LA, Weller SK, Olivo PD, Challberg MD, Mocarski ES, Lehman IR. Proc Natl Acad Sci U S A. 1989; 86 (7): 2186-9
Complete sequence of the murine invariant chain (Ii) gene. Zhu L, Jones PP. Nucleic Acids Res. 1989; 17 (1): 447-8