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Boris Epel

TitleResearch Professor
InstitutionUniversity of Chicago
DepartmentRadiation and Cellular Oncology
AddressChicago IL 60637
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    R01EB029948     (KAO, CHIEN-MIN)Jun 1, 2020 - Mar 31, 2025
    A preclinical integrated PET/EPR imaging system
    Role: Co-Principal Investigator

    R43CA224840     (KOTECHA, MRIGNAYANI)Mar 1, 2018 - Jun 30, 2019
    Robust Small Animal Oxygen Imager to Model Enhanced Cancer Treatment
    Role: Co-Principal Investigator

    R50CA211408     (EPEL, BORIS)Sep 19, 2016 - Aug 31, 2021
    Optimization of Cancer Therapy guided by oxygen, pH, thiol and other parametric images
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Zhang Z, Epel B, Chen B, Xia D, Sidky EY, Halpern H, Pan X. Accurate reconstruction of 4D spectral-spatial images from sparse-view data in continuous-wave EPRI. J Magn Reson. 2024 Mar 12; 361:107654. PMID: 38492546.
      Citations:    Fields:    
    2. Fang C, Xi Y, Epel B, Halpern H, Qiao Z. Directional TV algorithm for fast EPR imaging. J Magn Reson. 2024 Mar 01; 361:107652. PMID: 38457937.
      Citations:    Fields:    
    3. Epel B, Viswakarma N, Hameed S, Freidin MM, Abrams CK, Kotecha M. Assessment of blood-brain barrier leakage and brain oxygenation in Connexin-32 knockout mice with systemic neuroinflammation using pulse electron paramagnetic resonance imaging techniques. Magn Reson Med. 2024 Jun; 91(6):2519-2531. PMID: 38193348; PMCID: PMC10997480.
      Citations:    Fields:    
    4. Wang LH, Marfil-Garza BA, Ernst AU, Pawlick RL, Pepper AR, Okada K, Epel B, Viswakarma N, Kotecha M, Flanders JA, Datta AK, Gao HJ, You YZ, Ma M, Shapiro AMJ. Inflammation-induced subcutaneous neovascularization for the long-term survival of encapsulated islets without immunosuppression. Nat Biomed Eng. 2023 Dec 05. PMID: 38052996.
      Citations:    Fields:    
    5. Gertsenshteyn I, Epel B, Giurcanu M, Barth E, Lukens J, Hall K, Martinez JF, Grana M, Maggio M, Miller RC, Sundramoorthy SV, Krzykawska-Serda M, Pearson E, Aydogan B, Weichselbaum RR, Tormyshev VM, Kotecha M, Halpern HJ. Corrigendum: Absolute oxygen-guided radiation therapy improves tumor control in three preclinical tumor models. Front Med (Lausanne). 2023; 10:1339872. PMID: 38116039; PMCID: PMC10728871.
    6. Shaw MA, Poncelet M, Viswakarma N, Vallerini GP, Hameed S, Gluth TD, Geldenhuys WJ, Hoblitzell EH, Eubank TD, Epel B, Kotecha M, Driesschaert B. SOX71, A Biocompatible Succinyl Derivative of the Triarylmethyl Radical OX071 for In Vivo Quantitative Oxygen Mapping Using Electron Paramagnetic Resonance. Mol Imaging Biol. 2023 Nov 09. PMID: 37945971.
      Citations: 2     Fields:    
    7. Martin RM, Diaz S, Poncelet M, Driesschaert B, Barth E, Kotecha M, Epel B, Eaton GR, Biller JR. Toward a Nanoencapsulated EPR Imaging Agent for Clinical Use. Mol Imaging Biol. 2023 Oct 23. PMID: 37870648.
      Citations:    Fields:    
    8. Gertsenshteyn I, Epel B, Giurcanu M, Barth E, Lukens J, Hall K, Martinez JF, Grana M, Maggio M, Miller RC, Sundramoorthy SV, Krzykawska-Serda M, Pearson E, Aydogan B, Weichselbaum RR, Tormyshev VM, Kotecha M, Halpern HJ. Absolute oxygen-guided radiation therapy improves tumor control in three preclinical tumor models. Front Med (Lausanne). 2023; 10:1269689. PMID: 37904839; PMCID: PMC10613495.
    9. Kotecha M, Wang L, Hameed S, Viswakarma N, Ma M, Stabler C, Hoesli CA, Epel B. In vitro oxygen imaging of acellular and cell-loaded beta cell replacement devices. Sci Rep. 2023 09 20; 13(1):15641. PMID: 37730815; PMCID: PMC10511476.
      Citations:    Fields:    Translation:Humans
    10. Rickard AG, Mowery YM, Bassil A, Rouse DC, Williams NT, Charity T, Belloni R, Crouch B, Ramanujam N, Stevenson D, Castillo R, Blocker S, Epel B, Kotecha M, Palmer GM. Evaluating Tumor Hypoxia Radiosensitization Via Electron Paramagnetic Resonance Oxygen Imaging (EPROI). Mol Imaging Biol. 2023 Sep 18. PMID: 37721686.
      Citations:    Fields:    
    11. Epel B, Viswakarma N, Sundramoorthy SV, Pawar NJ, Kotecha M. Oxygen Imaging of a Rabbit Tumor Using a Human-Sized Pulse Electron Paramagnetic Resonance Imager. Mol Imaging Biol. 2023 Sep 15. PMID: 37715089.
      Citations:    Fields:    
    12. Kim H, Hua Y, Epel B, Sundramoorthy S, Halpern H, Chen CT, Kao CM. A Preclinical Positron Emission Tomography (PET) and Electron-Paramagnetic-Resonance-Imaging (EPRI) Hybrid System: PET Detector Module. IEEE Trans Radiat Plasma Med Sci. 2023 Nov; 7(8):794-801. PMID: 37981977; PMCID: PMC10655702.
    13. Colombani T, Bhatt K, Epel B, Kotecha M, Bencherif SA. HIF-stabilizing biomaterials: from hypoxia-mimicking to hypoxia-inducing. Mater Adv. 2023 Jul 31; 4(15):3084-3090. PMID: 38013688; PMCID: PMC10388397.
    14. Epel B, Kao JPY, Eaton SS, Eaton GR, Halpern HJ. Direct Measurement and Imaging of Redox Status with Electron Paramagnetic Resonance. Antioxid Redox Signal. 2023 May 04. PMID: 36680741.
      Citations:    Fields:    
    15. Qiao Z, Redler G, Epel B, Halpern H. A Simple but Universal Fully Linearized ADMM Algorithm for Optimization Based Image Reconstruction. Res Sq. 2023 Apr 28. PMID: 37162853; PMCID: PMC10168464.
    16. Zhang Z, Epel B, Chen B, Xia D, Sidky EY, Qiao Z, Halpern H, Pan X. 4D-image reconstruction directly from limited-angular-range data in continuous-wave electron paramagnetic resonance imaging. J Magn Reson. 2023 May; 350:107432. PMID: 37058955; PMCID: PMC10197356.
      Citations:    Fields:    
    17. Qiao Z, Lu Y, Liu P, Epel B, Halpern H. An iterative reconstruction algorithm without system matrix for EPR imaging. J Magn Reson. 2022 Nov; 344:107307. PMID: 36308904.
      Citations:    Fields:    
    18. Gertsenshteyn I, Epel B, Ahluwalia A, Kim H, Fan X, Barth E, Zamora M, Markiewicz E, Tsai HM, Sundramoorthy S, Leoni L, Lukens J, Bhuiyan M, Freifelder R, Kucharski A, Giurcanu M, Roman BB, Karczmar G, Kao CM, Halpern H, Chen CT. The optimal 18F-fluoromisonidazole PET threshold to define tumor hypoxia in preclinical squamous cell carcinomas using pO2 electron paramagnetic resonance imaging as reference truth. Eur J Nucl Med Mol Imaging. 2022 Oct; 49(12):4014-4024. PMID: 35792927; PMCID: PMC9529789.
      Citations: 6     Fields:    Translation:Animals
    19. Viswakarma N, Siddiqui E, Patel S, Hameed S, Schreiber W, Swartz HM, Epel B, Kotecha M. In Vivo Partial Oxygen Pressure Assessment in Subcutaneous and Intraperitoneal Sites Using Imaging of Solid Oxygen Probe. Tissue Eng Part C Methods. 2022 06; 28(6):264-271. PMID: 35509263.
      Citations: 8     Fields:    Translation:Animals
    20. Magana A, Giovanni R, Essien E, Epel B, Kotecha M, Liu S, Mathew MT, Hagarty SE, Bijukumar D. Amniotic growth factors enhanced human pre-adipocyte cell viability and differentiation under hypoxia. J Biomed Mater Res B Appl Biomater. 2022 09; 110(9):2146-2156. PMID: 35384274; PMCID: PMC9283253.
      Citations: 5     Fields:    Translation:HumansCells
    21. Wang LH, Ernst AU, An D, Datta AK, Epel B, Kotecha M, Ma M. A bioinspired scaffold for rapid oxygenation of cell encapsulation systems. Nat Commun. 2021 10 06; 12(1):5846. PMID: 34615868; PMCID: PMC8494927.
      Citations: 17     Fields:    Translation:HumansAnimalsCells
    22. Qiao Z, Redler G, Epel B, Halpern H. A balanced total-variation-Chambolle-Pock algorithm for EPR imaging. J Magn Reson. 2021 07; 328:107009. PMID: 34058712.
      Citations: 1     Fields:    
    23. Wang LH, Ernst AU, Flanders JA, Liu W, Wang X, Datta AK, Epel B, Kotecha M, Papas KK, Ma M. An inverse-breathing encapsulation system for cell delivery. Sci Adv. 2021 05; 7(20). PMID: 33990318; PMCID: PMC8121434.
      Citations: 19     Fields:    
    24. Gertsenshteyn I, Epel B, Barth E, Leoni L, Markiewicz E, Tsai HM, Fan X, Giurcanu M, Bodero D, Zamora M, Sundramoorthy S, Kim H, Freifelder R, Bhuiyan M, Kucharski A, Karczmar G, Kao CM, Halpern H, Chen CT. Improving Tumor Hypoxia Location in 18F-Misonidazole PET with Dynamic Contrast-enhanced MRI Using Quantitative Electron Paramagnetic Resonance Partial Oxygen Pressure Images. Radiol Imaging Cancer. 2021 03; 3(2):e200104. PMID: 33817651; PMCID: PMC8011450.
      Citations: 3     Fields:    Translation:Animals
    25. Kim H, Epel B, Sundramoorthy S, Tsai HM, Barth E, Gertsenshteyn I, Halpern H, Hua Y, Xie Q, Chen CT, Kao CM. Development of a PET/EPRI combined imaging system for assessing tumor hypoxia. J Instrum. 2021 Mar; 16(3). PMID: 33868448; PMCID: PMC8045988.
      Citations: 5     
    26. Redler G, Pearson E, Liu X, Gertsenshteyn I, Epel B, Pelizzari C, Aydogan B, Weichselbaum R, Halpern HJ, Wiersma RD. Small Animal IMRT Using 3D-Printed Compensators. Int J Radiat Oncol Biol Phys. 2021 06 01; 110(2):551-565. PMID: 33373659; PMCID: PMC8122034.
      Citations: 5     Fields:    Translation:Animals
    27. Halpern HJ, Epel BM. Going Low in a World Going High: The Physiologic Use of Lower Frequency Electron Paramagnetic Resonance. Appl Magn Reson. 2020 Oct; 51(9-10):887-907. PMID: 33776216; PMCID: PMC7992374.
      Citations: 2     
    28. Gonet M, Epel B, Halpern HJ, Elas M. Merging Preclinical EPR Tomography with other Imaging Techniques. Cell Biochem Biophys. 2019 Sep; 77(3):187-196. PMID: 31440878; PMCID: PMC6742609.
      Citations: 3     Fields:    Translation:Animals
    29. Tseytlin O, Guggilapu P, Bobko AA, AlAhmad H, Xu X, Epel B, O'Connell R, Hoblitzell EH, Eubank TD, Khramtsov VV, Driesschaert B, Kazkaz E, Tseytlin M. Modular imaging system: Rapid scan EPR at 800?MHz. J Magn Reson. 2019 08; 305:94-103. PMID: 31238278; PMCID: PMC6656609.
      Citations: 16     Fields:    Translation:Animals
    30. Chen NT, Barth ED, Lee TH, Chen CT, Epel B, Halpern HJ, Lo LW. Highly sensitive electron paramagnetic resonance nanoradicals for quantitative intracellular tumor oxymetric images. Int J Nanomedicine. 2019; 14:2963-2971. PMID: 31118615; PMCID: PMC6503311.
      Citations: 6     Fields:    Translation:HumansAnimalsCells
    31. Bodo S, Thin TH, Higginson DS, Vargas HA, Hua G, Fuller JD, Ackerstaff E, Russell J, Zhang Z, Klingler S, Cho H, Kaag MG, Mazaheri Y, Rimner A, Manova-Todorova K, Epel B, Zatcky J, Cleary CR, Rao SS, Yamada Y, Zelefsky MJ, Halpern HJ, Koutcher JA, Cordon-Cardo C, Greco C, Haimovitz-Friedman A, Sala E, Powell SN, Kolesnick R, Fuks Z, Campagne C. Single-dose radiotherapy disables tumor cell homologous recombination via ischemia/reperfusion injury. J Clin Invest. 2019 02 01; 129(2):786-801. PMID: 30480549; PMCID: PMC6355243.
      Citations: 23     Fields:    Translation:HumansAnimalsCells
    32. Epel B, Maggio MC, Barth ED, Miller RC, Pelizzari CA, Krzykawska-Serda M, Sundramoorthy SV, Aydogan B, Weichselbaum RR, Tormyshev VM, Halpern HJ. Oxygen-Guided Radiation Therapy. Int J Radiat Oncol Biol Phys. 2019 03 15; 103(4):977-984. PMID: 30414912; PMCID: PMC6478443.
      Citations: 38     Fields:    Translation:AnimalsCells
    33. Qiao Z, Zhang Z, Pan X, Epel B, Redler G, Xia D, Halpern H. Optimization-based image reconstruction from sparsely sampled data in electron paramagnetic resonance imaging. J Magn Reson. 2018 09; 294:24-34. PMID: 30005191.
      Citations: 1     Fields:    Translation:Animals
    34. Band A, Donohue MP, Epel B, Madhu S, Szalai VA. Integration of a versatile bridge concept in a 34?GHz pulsed/CW EPR spectrometer. J Magn Reson. 2018 03; 288:28-36. PMID: 29414061; PMCID: PMC5837943.
      Citations: 2     Fields:    
    35. Qiao Z, Redler G, Qian Y, Tang S, Epel B, Halpern H. Investigation of the preconditioner-parameter in the preconditioned Chambolle-Pock algorithm applied to optimization-based image reconstruction. J Xray Sci Technol. 2018; 26(3):435-448. PMID: 29562580.
      Citations:    Fields:    Translation:Humans
    36. Qiao Z, Redler G, Gui Z, Qian Y, Epel B, Halpern H. Three novel accurate pixel-driven projection methods for 2D CT and 3D EPR imaging. J Xray Sci Technol. 2018; 26(1):83-102. PMID: 29036875.
      Citations: 1     Fields:    Translation:Humans
    37. Kotecha M, Epel B, Ravindran S, Dorcemus D, Nukavarapu S, Halpern H. Noninvasive Absolute Electron Paramagnetic Resonance Oxygen Imaging for the Assessment of Tissue Graft Oxygenation. Tissue Eng Part C Methods. 2018 01; 24(1):14-19. PMID: 28844179; PMCID: PMC5756934.
      Citations: 8     Fields:    Translation:HumansCells
    38. Epel B, Krzykawska-Serda M, Tormyshev V, Maggio MC, Barth ED, Pelizzari CA, Halpern HJ. Spin Lattice Relaxation EPR pO2 Images May Direct the Location of Radiation Tumor Boosts to Enhance Tumor Cure. Cell Biochem Biophys. 2017 Dec; 75(3-4):295-298. PMID: 28986856.
      Citations: 10     Fields:    Translation:Animals
    39. Rinard GA, Quine RW, Buchanan LA, Eaton SS, Eaton GR, Epel B, Sundramoorthy SV, Halpern HJ. Resonators for In Vivo Imaging: Practical Experience. Appl Magn Reson. 2017 Dec; 48(11-12):1227-1247. PMID: 29391664; PMCID: PMC5788320.
      Citations: 4     
    40. Eaton SS, Shi Y, Woodcock L, Buchanan LA, McPeak J, Quine RW, Rinard GA, Epel B, Halpern HJ, Eaton GR. Rapid-scan EPR imaging. J Magn Reson. 2017 07; 280:140-148. PMID: 28579099; PMCID: PMC5523658.
      Citations: 13     Fields:    Translation:HumansAnimals
    41. Sundramoorthy SV, Epel B, Halpern HJ. A Pulse EPR 25 mT magnetometer with 10ppm resolution. Appl Magn Reson. 2017 Aug; 48(8):805-811. PMID: 29151678; PMCID: PMC5685537.
      Citations: 2     
    42. Epel B, Kotecha M, Halpern HJ. In vivo preclinical cancer and tissue engineering applications of absolute oxygen imaging using pulse EPR. J Magn Reson. 2017 07; 280:149-157. PMID: 28552587.
      Citations: 15     Fields:    Translation:HumansAnimals
    43. Nakagawa K, Epel B. Investigating the Distribution of Stable Paramagnetic Species in an Apple Seed Using X-Band EPR and EPR Imaging. J Oleo Sci. 2017 Mar 01; 66(3):315-319. PMID: 28190804; PMCID: PMC5452681.
      Citations: 3     Fields:    Translation:Animals
    44. Epel B, Maggio M, Pelizzari C, Halpern HJ. Electron Paramagnetic Resonance pO2 Image Tumor Oxygen-Guided Radiation Therapy Optimization. Adv Exp Med Biol. 2017; 977:287-296. PMID: 28685458.
      Citations: 6     Fields:    Translation:Animals
    45. Shi Y, Quine RW, Rinard GA, Buchanan L, Eaton SS, Eaton GR, Epel B, Seagle SW, Halpern HJ. Triarylmethyl Radical OX063d24 Oximetry: Electron Spin Relaxation at 250 MHz and RF Frequency Dependence of Relaxation and Signal-to-Noise. Adv Exp Med Biol. 2017; 977:327-334. PMID: 28685462.
      Citations: 3     Fields:    
    46. Krzykawska-Serda M, Miller RC, Elas M, Epel B, Barth ED, Maggio M, Halpern HJ. Correlation Between Hypoxia Proteins and EPR-Detected Hypoxia in Tumors. Adv Exp Med Biol. 2017; 977:319-325. PMID: 28685461.
      Citations: 3     Fields:    Translation:Animals
    47. Epel B, Sundramoorthy SV, Krzykawska-Serda M, Maggio MC, Tseytlin M, Eaton GR, Eaton SS, Rosen GM, Kao JPY, Halpern HJ. Imaging thiol redox status in murine tumors in vivo with rapid-scan electron paramagnetic resonance. J Magn Reson. 2017 Mar; 276:31-36. PMID: 28092786; PMCID: PMC5336491.
      Citations: 27     Fields:    Translation:AnimalsCells
    48. Shi Y, Quine RW, Rinard GA, Buchanan L, Eaton SS, Eaton GR, Epel B, Seagle SW, Halpern HJ. Triarylmethyl Radical: EPR Signal to Noise at Frequencies between 250 MHz and 1.5 GHz and Dependence of Relaxation on Radical and Salt Concentration and on Frequency. Z Phys Chem (N F). 2017 04; 231(4):923-937. PMID: 28392627; PMCID: PMC5380383.
      Citations: 3     
    49. Tseytlin M, Epel B, Sundramoorthy S, Tipikin D, Halpern HJ. Decoupling of excitation and receive coils in pulsed magnetic resonance using sinusoidal magnetic field modulation. J Magn Reson. 2016 11; 272:91-99. PMID: 27673275; PMCID: PMC5071169.
      Citations: 2     Fields:    
    50. Christodoulou AG, Redler G, Clifford B, Liang ZP, Halpern HJ, Epel B. Fast dynamic electron paramagnetic resonance (EPR) oxygen imaging using low-rank tensors. J Magn Reson. 2016 09; 270:176-182. PMID: 27498337; PMCID: PMC5127203.
      Citations: 14     Fields:    Translation:Animals
    51. Epel B, Redler G, Tormyshev V, Halpern HJ. Towards Human Oxygen Images with Electron Paramagnetic Resonance Imaging. Adv Exp Med Biol. 2016; 876:363-369. PMID: 26782233; PMCID: PMC4745973.
      Citations: 13     Fields:    Translation:HumansAnimals
    52. Epel B, Redler G, Pelizzari C, Tormyshev VM, Halpern HJ. Approaching Oxygen-Guided Intensity-Modulated Radiation Therapy. Adv Exp Med Biol. 2016; 876:185-193. PMID: 26782211; PMCID: PMC4747097.
      Citations: 6     Fields:    Translation:Animals
    53. Epel B, Halpern HJ. In Vivo pO2 Imaging of Tumors: Oxymetry with Very Low-Frequency Electron Paramagnetic Resonance. Methods Enzymol. 2015; 564:501-27. PMID: 26477263; PMCID: PMC4749023.
      Citations: 28     Fields:    Translation:HumansAnimals
    54. Qiao Z, Redler G, Epel B, Qian Y, Halpern H. 3D pulse EPR imaging from sparse-view projections via constrained, total variation minimization. J Magn Reson. 2015 Sep; 258:49-57. PMID: 26225440; PMCID: PMC4827344.
      Citations: 3     Fields:    Translation:Animals
    55. Epel B, Halpern HJ. Comparison of pulse sequences for R1-based electron paramagnetic resonance oxygen imaging. J Magn Reson. 2015 May; 254:56-61. PMID: 25828242; PMCID: PMC4420711.
      Citations: 12     Fields:    Translation:AnimalsCells
    56. Redler G, Epel B, Halpern HJ. Maximally spaced projection sequencing in electron paramagnetic resonance imaging. Concepts Magn Reson Part B Magn Reson Eng. 2015 Feb; 45(1):33-45. PMID: 26185490; PMCID: PMC4500539.
      Citations: 5     
    57. Redler G, Qiao Z, Epel B, Halpern HJ. Real-Time Image Reconstruction for Pulse EPR Oxygen Imaging Using a GPU and Lookup Table Parameter Fitting. Concepts Magn Reson Part B Magn Reson Eng. 2015 Feb; 45(1):46-57. PMID: 26167137; PMCID: PMC4493913.
      Citations: 2     
    58. Qiao Z, Redler G, Epel B, Qian Y, Halpern H. Implementation of GPU-accelerated back projection for EPR imaging. J Xray Sci Technol. 2015; 23(4):423-33. PMID: 26410654; PMCID: PMC4825055.
      Citations: 1     Fields:    
    59. Qiao Z, Redler G, Epel B, Halpern HJ. Comparison of parabolic filtration methods for 3D filtered back projection in pulsed EPR imaging. J Magn Reson. 2014 Nov; 248:42-53. PMID: 25314081; PMCID: PMC4324566.
      Citations: 1     Fields:    
    60. Nakagawa K, Epel B. Locations of radical species in black pepper seeds investigated by CW EPR and 9GHz EPR imaging. Spectrochim Acta A Mol Biomol Spectrosc. 2014 Oct 15; 131:342-6. PMID: 24835937; PMCID: PMC4363116.
      Citations: 3     Fields:    Translation:Animals
    61. Sundramoorthy SV, Epel B, Halpern HJ. Orthogonal resonators for pulse in vivo electron paramagnetic imaging at 250 MHz. J Magn Reson. 2014 Mar; 240:45-51. PMID: 24530507; PMCID: PMC3974126.
      Citations: 7     Fields:    Translation:Animals
    62. Redler G, Epel B, Halpern HJ. EPR image based oxygen movies for transient hypoxia. Adv Exp Med Biol. 2014; 812:127-133. PMID: 24729224; PMCID: PMC4313543.
      Citations: 4     Fields:    Translation:Animals
    63. Epel B, Redler G, Halpern HJ. How in vivo EPR measures and images oxygen. Adv Exp Med Biol. 2014; 812:113-119. PMID: 24729222; PMCID: PMC4319367.
      Citations: 12     Fields:    
    64. Majumdar S, Kotecha M, Triplett W, Epel B, Halpern H. A DTI study to probe tumor microstructure and its connection with hypoxia. Annu Int Conf IEEE Eng Med Biol Soc. 2014; 2014:738-41. PMID: 25570064; PMCID: PMC4324572.
      Citations: 2     Fields:    Translation:Animals
    65. Redler G, Epel B, Halpern HJ. What we learn from in vivo EPR oxygen images. Adv Exp Med Biol. 2014; 812:121-126. PMID: 24729223; PMCID: PMC4313544.
      Citations: 2     Fields:    Translation:AnimalsCells
    66. Epel B, Bowman MK, Mailer C, Halpern HJ. Absolute oxygen R1e imaging in vivo with pulse electron paramagnetic resonance. Magn Reson Med. 2014 Aug; 72(2):362-8. PMID: 24006331; PMCID: PMC4318240.
      Citations: 51     Fields:    Translation:AnimalsCells
    67. Elas M, Magwood JM, Butler B, Li C, Wardak R, DeVries R, Barth ED, Epel B, Rubinstein S, Pelizzari CA, Weichselbaum RR, Halpern HJ. EPR oxygen images predict tumor control by a 50% tumor control radiation dose. Cancer Res. 2013 Sep 01; 73(17):5328-35. PMID: 23861469; PMCID: PMC3913470.
      Citations: 29     Fields:    Translation:AnimalsCells
    68. Redler G, Epel B, Halpern HJ. Principal component analysis enhances SNR for dynamic electron paramagnetic resonance oxygen imaging of cycling hypoxia in vivo. Magn Reson Med. 2014 Jan; 71(1):440-50. PMID: 23401214; PMCID: PMC3796058.
      Citations: 15     Fields:    Translation:HumansAnimalsCells
    69. Redler G, Elas M, Epel B, Barth ED, Halpern HJ. Radiation oxygen biology with pulse electron paramagnetic resonance imaging in animal tumors. Adv Exp Med Biol. 2013; 789:399-404. PMID: 23852521; PMCID: PMC4319364.
      Citations: 2     Fields:    Translation:Animals
    70. Nakagawa K, Ohba Y, Epel B, Hirata H. A 9 GHz EPR imager for thin materials: application to surface detection. J Oleo Sci. 2012; 61(8):451-6. PMID: 22864516; PMCID: PMC4363117.
      Citations: 2     Fields:    
    71. Elas M, Hleihel D, Barth ED, Haney CR, Ahn KH, Pelizzari CA, Epel B, Weichselbaum RR, Halpern HJ. Where it's at really matters: in situ in vivo vascular endothelial growth factor spatially correlates with electron paramagnetic resonance pO2 images in tumors of living mice. Mol Imaging Biol. 2011 Dec; 13(6):1107-13. PMID: 20960236; PMCID: PMC3210947.
      Citations: 18     Fields:    Translation:HumansAnimals
    72. Ames W, Epel B, Kulik LV, Rapatskiy L, Neese F, Messinger J, Wieghardt K, Lubitz W, Cox N. Electronic structure of a weakly antiferromagnetically coupled Mn(II)Mn(III) model relevant to manganese proteins: a combined EPR, 55Mn-ENDOR, and DFT study. Inorg Chem. 2011 Sep 05; 50(17):8238-51. PMID: 21834536.
      Citations: 9     Fields:    Translation:Cells
    73. Seifi P, Epel B, Sundramoorthy SV, Mailer C, Halpern HJ. Frequency bandwidth extension by use of multiple Zeeman field offsets for electron spin-echo EPR oxygen imaging of large objects. Med Phys. 2011 Jun; 38(6):3062-8. PMID: 21815379; PMCID: PMC3125082.
      Citations: 1     Fields:    
    74. Epel B, Sundramoorthy SV, Barth ED, Mailer C, Halpern HJ. Comparison of 250 MHz electron spin echo and continuous wave oxygen EPR imaging methods for in vivo applications. Med Phys. 2011 Apr; 38(4):2045-52. PMID: 21626937; PMCID: PMC3078157.
      Citations: 30     Fields:    Translation:Animals
    75. Feintuch A, Shimon D, Hovav Y, Banerjee D, Kaminker I, Lipkin Y, Zibzener K, Epel B, Vega S, Goldfarb D. A Dynamic Nuclear Polarization spectrometer at 95 GHz/144 MHz with EPR and NMR excitation and detection capabilities. J Magn Reson. 2011 Apr; 209(2):136-41. PMID: 21296015.
      Citations: 9     Fields:    
    76. Kaminker I, Florent M, Epel B, Goldfarb D. Simultaneous acquisition of pulse EPR orientation selective spectra. J Magn Reson. 2011 Jan; 208(1):95-102. PMID: 21075028.
      Citations: 1     Fields:    
    77. Seifi P, Epel B, Mailer C, Halpern HJ. Multiple-stepped Zeeman field offset method applied in acquiring enhanced resolution spin-echo electron paramagnetic resonance images. Med Phys. 2010 Oct; 37(10):5412-20. PMID: 21089777; PMCID: PMC2962661.
      Citations: 3     Fields:    Translation:Animals
    78. Epel B, Haney CR, Hleihel D, Wardrip C, Barth ED, Halpern HJ. Electron paramagnetic resonance oxygen imaging of a rabbit tumor using localized spin probe delivery. Med Phys. 2010 Jun; 37(6):2553-9. PMID: 20632567; PMCID: PMC2881926.
      Citations: 28     Fields:    Translation:Animals
    79. Epel B, Haney CR, Hleihel D, Wardrip C, Barth ED, Halpern HJ. Electron paramagnetic resonance oxygen imaging of a rabbit tumor using localized spin probe delivery. Med Phys. 2010 Jun; 37(6Part1):2553-2559. PMID: 28512964.
    80. Niklas J, Gopta O, Epel B, Lubitz W, Antonkine ML. Investigation of the Stationary and Transient A(1) Radical in Trp --> Phe Mutants of Photosystem I. Appl Magn Reson. 2010 May; 38(2):187-203. PMID: 20495604; PMCID: PMC2860100.
      Citations: 2     
    81. Subramanian VS, Epel B, Mailer C, Halpern HJ. A passive dual-circulator based transmit/receive switch for use with reflection resonators in pulse EPR. Concepts Magn Reson Part B Magn Reson Eng. 2009 Aug; 35B(3):133-138. PMID: 20052312; PMCID: PMC2801570.
      Citations: 11     
    82. Niklas J, Epel B, Antonkine ML, Sinnecker S, Pandelia ME, Lubitz W. Electronic structure of the quinone radical anion A1*- of photosystem I investigated by advanced pulse EPR and ENDOR techniques. J Phys Chem B. 2009 Jul 30; 113(30):10367-79. PMID: 19588895.
      Citations: 8     Fields:    Translation:Cells
    83. Koay MS, Epel B, Breitenstein C, Gopta O, Bill E, Lubitz W, Antonkine ML, Gärtner W. Synthesis and characterization of de novo designed peptides modelling the binding sites of [4Fe-4S] clusters in photosystem I. Biochim Biophys Acta. 2009 Aug; 1787(8):995-1008. PMID: 19298792.
      Citations: 15     Fields:    Translation:Cells
    84. Epel B, Sundramoorthy SV, Mailer C, Halpern HJ. A Versatile High Speed 250 MHz Pulse Imager for Biomedical Applications. Concepts Magn Reson Part B Magn Reson Eng. 2008 Jul 10; 33B(3):163-176. PMID: 19924261; PMCID: PMC2778030.
      Citations: 41     
    85. Goldfarb D, Lipkin Y, Potapov A, Gorodetsky Y, Epel B, Raitsimring AM, Radoul M, Kaminker I. HYSCORE and DEER with an upgraded 95GHz pulse EPR spectrometer. J Magn Reson. 2008 Sep; 194(1):8-15. PMID: 18571956.
      Citations: 29     Fields:    
    86. Potapov A, Epel B, Goldfarb D. A triple resonance hyperfine sublevel correlation experiment for assignment of electron-nuclear double resonance lines. J Chem Phys. 2008 Feb 07; 128(5):052320. PMID: 18266437.
      Citations: 4     Fields:    
    87. Epel B, Lubitz W, Messinger J, Kulik LV. Electronic structure of the Mn4OxCa cluster in the S0 and S2 states of the oxygen-evolving complex of photosystem II based on pulse 55Mn-ENDOR and EPR spectroscopy. J Am Chem Soc. 2007 Nov 07; 129(44):13421-35. PMID: 17927172.
      Citations: 49     Fields:    Translation:Cells
    88. Niklas J, Sinnecker S, Zimmermann H, Lubitz W, Epel B. Phylloquinone and related radical anions studied by pulse electron nuclear double resonance spectroscopy at 34 GHz and density functional theory. J Phys Chem B. 2006 Jun 15; 110(23):11549-60. PMID: 16771431.
      Citations: 7     Fields:    
    89. Quentmeier A, Friedrich C, Lubitz W, Epel B, Schäfer KO. Multifrequency EPR analysis of the dimanganese cluster of the putative sulfate thiohydrolase SoxB of Paracoccus pantotrophus. J Biol Inorg Chem. 2005 Oct; 10(6):636-42. PMID: 16133204.
      Citations: 12     Fields:    Translation:Cells
    90. Epel B, Messinger J, Lubitz W, Kulik L. Pulse EPR, 55Mn-ENDOR and ELDOR-detected NMR of the S2-state of the oxygen evolving complex in photosystem II. Photosynth Res. 2005 Jun; 84(1-3):347-53. PMID: 16049796.
      Citations: 9     Fields:    Translation:Animals
    91. Epel B, Lubitz W, Messinger J, Kulik LV. 55Mn pulse ENDOR at 34 GHz of the S0 and S2 states of the oxygen-evolving complex in photosystem II. J Am Chem Soc. 2005 Mar 02; 127(8):2392-3. PMID: 15724984.
      Citations: 37     Fields:    
    92. Carmieli R, Manikandan P, Epel B, Kalb AJ, Schnegg A, Savitsky A, Goldfarb D, Möbius K. Dynamics in the Mn2+ binding site in single crystals of concanavalin A revealed by high-field EPR spectroscopy. Biochemistry. 2003 Jul 01; 42(25):7863-70. PMID: 12820896.
      Citations: 4     Fields:    Translation:Cells
    93. Jeschke G, Epel B, Goldfarb D, Schweiger A, Van Doorslaer S, Eichel RA, Kräutler B. Axial solvent coordination in "base-fff" cob(II)alamin and related co(II)-corrinates revealed by 2D-EPR. J Am Chem Soc. 2003 May 14; 125(19):5915-27. PMID: 12733932.
      Citations: 13     Fields:    
    94. Epel B, Slutter CS, Neese F, Kroneck PM, Zumft WG, Pecht I, Farver O, Lu Y, Goldfarb D. Electron-mediating Cu(A) centers in proteins: a comparative high field (1)H ENDOR study. J Am Chem Soc. 2002 Jul 10; 124(27):8152-62. PMID: 12095361.
      Citations: 8     Fields:    
    95. Scorer KN, Epel BL, Waisel Y. Interactions between Mild NaCl Stress and Red Light during Lettuce (Lactuca sativa L. cv Grand Rapids) Seed Germination. Plant Physiol. 1985 Sep; 79(1):149-52. PMID: 16664360; PMCID: PMC1074842.
      Citations:    Fields:    
    96. Horwitz BA, Gressel J, Malkin S, Epel BL. Modified cryptochrome in vivo absorption in dim photosporulation mutants of Trichoderma. Proc Natl Acad Sci U S A. 1985 May; 82(9):2736-40. PMID: 16593557; PMCID: PMC397640.
      Citations: 10     Fields:    
    97. Epel BL, Neumann J. The mechanism of the oxidation of ascorbate and MN2+ by chloroplasts. The role of the radical superoxide. Biochim Biophys Acta. 1973 Dec 14; 325(3):520-9. PMID: 4149767.
      Citations: 22     Fields:    Translation:AnimalsCells
    98. Epel BL, Butler WL, Levine RP. A spectroscopic analysis of low-fluorescent mutants of Chlamydomonas reinhardti blocked in their water-splitting oxygen-evolving apparatus. Biochim Biophys Acta. 1972 Sep 20; 275(3):395-400. PMID: 4403602.
      Citations: 3     Fields:    Translation:AnimalsCells
    99. Okayama S, Epel BL, Erixon K, Lozier R, Butler WL. The effects of lipase on spinach and Chlamydomonas chloroplasts. Biochim Biophys Acta. 1971 Dec 07; 253(2):476-82. PMID: 4332307.
      Citations: 2     Fields:    Translation:AnimalsCells
    100. Epel BL, Levine RP. Mutant strains of Chlamydomonas reinhardi with lesions on the oxidizing side of photosystem II. Biochim Biophys Acta. 1971 Jan 12; 226(1):154-60. PMID: 4396271.
      Citations: 10     Fields:    Translation:AnimalsCells
    101. Ninnemann H, Butler WL, Epel BL. Inhibition of respiration in yeast by light. Biochim Biophys Acta. 1970 Jun 30; 205(3):499-506. PMID: 4319467.
      Citations: 7     Fields:    Translation:Animals
    102. Ninnemann H, Butler WL, Epel BL. Inhibition of respiration and destruction of cytochrome A3 by light in mitochondria and cytochrome oxidase from beef heart. Biochim Biophys Acta. 1970 Jun 30; 205(3):507-12. PMID: 4319468.
      Citations: 8     Fields:    Translation:AnimalsCells
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