P U B L I C A T I O N S

of Boris Ivanov Gramatikov, Ph.D.

BOOK CHAPTER

1. Nitish V. Thakor, Boris Gramatikov and David Sherman. Wavelet (Time-Scale) Analysis in Biomedical Signal Processing. In The Biomedical Engineering Handbook, Ed. Joseph Bronzino, 2^nd Edition., Volume I, Section VI (Biomedical Signal Analysis), Chapter 56, pp. 56-1 – 56-27. CRC Press LLC, IEEE Press, December 1999,

http://www.academia.edu/2849904/Analysis_in_Biomedical_Signal_Processing

https://books.google.co.in/books/about/Biomedical_Engineering_Handbook.html?id=ijhP6BZxCMAC

PUBLICATIONS IN PEER-REVIEWEDJOURNALS

2. Gramatikov B.I. Using a dynamic Mueller matrix in modeling of retinal birefringence scanning systems. Results in Optics (Elsevier), Vol 12, July 2023, 100437

https://doi.org/10.1016/j.rio.2023.100437

3. Gramatikov B.I., Irsch K., Guyton D.L. Central fixation detection with an open‐frame retinal birefringence scanning system: optics, optomechanics, polarization balancing aspects, computer modeling and simulation. Optics & Laser Technology (Elsevier), 163 (August 2023) 109388

https://www.sciencedirect.com/science/article/pii/S0030399223002815

4. Irsch K., Guyton D.L., Geary R.B., Tian J., Gramatikov B.I., Ying H.S. Disconjugacy of eye movements during attempted fixation: a sufficient marker for amblyopia? (Diskonjugation der Augenbewegungen beim Fixationsversuch: ein ausreichender Indikator für Amblyopie?). Klinische Monatsblätter für Augenheilkunde (Georg Thieme Verlag KG, Stuttgart), 2022: 239:1206-1212

https://pure.johnshopkins.edu/en/publications/diskonjugation-der-augenbewegungen-beim-fixationsversuch-ein-ausr

5. Gramatikov, B.I. A Mueller matrix approach to flat gold mirror analysis and polarization balancing for use in retinal birefringence scanning systems. Optik – International Journal of Light and Electron Optics (Elsevier), Vol. 207, April 2020, 164474, First online: Feb 25, 2020.

https://doi.org/10.1016/j.ijleo.2020.164474

https://www.sciencedirect.com/science/article/abs/pii/S0030402620303089

6. Gramatikov, B.I. Computer-aided fixation detection using retinal birefringence in multi-modal ophthalmic systems: Computer, electronics, algorithms. Computers in Biology and Medicine (Elsevier), Vol. 119, April 2020, 103672, First online: Jan 1, 2020;

https://doi.org/10.1016/j.compbiomed.2020.103672

https://www.sciencedirect.com/science/article/abs/pii/S0010482520300640

7. Gramatikov, B.I. A method of calculating compensators in polarization-sensitive optical systems. Optik – International Journal of Light and Electron Optics (Elsevier), Vol. 201, Jan 2020, 163474. Available online: 2019-09-30 , DOI: 10.1016/j.ijleo.2019.163474

https://www.sciencedirect.com/science/article/pii/S0030402619313725?dgcid=author

https://jhu.pure.elsevier.com/en/publications/a-method-of-calculating-compensators-in-polarization-sensitive-op

8. Gramatikov, B.I. Detecting central fixation by means of artificial neural networks in a pediatric vision screener using retinal birefringence scanning. BioMedical Engineering OnLine (Springer), 16: 52, Open Access, First online: 27 April 2017. DOI: 10.1186/s12938-017-0339-6.

http://link.springer.com/article/10.1186/s12938-017-0339-6

https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/s12938-017-0339-6

9. Gramatikov, I.B., Simons, K., Guyton, D.L., Gramatikov, B.I. A PC-based shutter glasses controller for visual stimulation using multithreading in LabWindows/CVI. Computer Methods and Programs in Biomedicine (Elsevier), 143 (2017), 151-158. Uploaded online on 10 March 2017.

https://www.ncbi.nlm.nih.gov/pubmed/28391813

https://www.sciencedirect.com/science/article/abs/pii/S0169260716313074?via%3Dihub

http://www.cmpbjournal.com/article/S0169-2607(16)31307-4/pdf

http://www.cmpbjournal.com/article/S0169-2607(16)31307-4/abstract

10. Gramatikov, B.I., Guyton, D.L. A no-moving-parts sensor for the detection of eye fixation using polarised light and retinal birefringence information. Journal of Medical Engineering & Technology (Taylor & Francis), 41, No.4, pp.249-256. Published online: 26 Jan 2017; DOI: 10.1080/03091902.2017.1281357.

https://www.ncbi.nlm.nih.gov/pubmed/28122478

http://www.tandfonline.com/doi/full/10.1080/03091902.2017.1281357

http://dx.doi.org/10.1080/03091902.2017.1281357

http://www.tandfonline.com/eprint/BgVSDatrdRUTXdZc2qzG/full

11. Gramatikov, B.I., Rangarajan, S., Irsch K, Guyton, D.L. Attention attraction in an ophthalmic diagnostic device using sound-modulated fixation targets. Medical Engineering and Physics (Elsevier), 38, May 2016; pp. 818-821, doi information: 10.1016/j.medengphy.2016.05.004.

https://www.ncbi.nlm.nih.gov/pubmed/27245750

http://dx.doi.org/10.1016/j.medengphy.2016.05.004

http://www.medengphys.com/article/S1350-4533(16)30085-6/pdf

http://www.sciencedirect.com/science/article/pii/S1350453316300856

12. Gramatikov, B.I., Irsch K, Wu Y-K, Guyton, D.L. New Pediatric Vision Screener - Part II. Electronics, Software, Signal Processing and Validation. BioMedical Engineering OnLine (Springer); First online: 04 February 2016. Open Access.

http://link.springer.com/article/10.1186%2Fs12938-016-0128-7

http://biomedical-engineering-online.biomedcentral.com/articles/10.1186/s12938-016-0128-7

http://www.ncbi.nlm.nih.gov/pubmed/26847626

13. Gramatikov, B. I. Detection of central fixation using short-time autoregressive spectral estimation during retinal birefringence scanning. Medical Engineering & Physics (Elsevier), September 2015, 37(9), pp. 905–910; 10.1016/j.medengphy.2015.06.007,

https://www.ncbi.nlm.nih.gov/pubmed/26213271

http://dx.doi.org/10.1016/j.medengphy.2015.06.007

14. Gramatikov, BI, Irsch, K, and Guyton, D; "Optimal timing of retinal scanning during dark adaptation, in the presence of fixation on a target: the role of pupil size dynamics," J. Biomed. Opt., 19(10), 106014 (2014). doi:10.1117/1.JBO.19.10.106014.

http://biomedicaloptics.spiedigitallibrary.org/article.aspx?articleid=1921066%20&journalid=93

https://www.ncbi.nlm.nih.gov/pubmed/25349032

15. Gramatikov, B.I., Iyer, V. Intra-QRS Spectral Changes Accompany ST Segment Changes During Episodes of Myocardial Ischemia. Journal of Electrocardiology, 2015; 48(1):115-122; doi: 10.1016/j.jelectrocard.2014.09.005, PII: S0022-0736(14)00353-7.

http://www.sciencedirect.com/science/article/pii/S0022073614003537

http://www.ncbi.nlm.nih.gov/pubmed/25266140

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4281496

16. Irsch,K., Gramatikov,B.I., Wu, Y. K., Guyton,D. L. A new pediatric vision screener employing polarization-modulated, retinal-birefringence-scanning-based strabismus detection and bull’s eye focus detection with an improved target system: Opto-mechanical design and operation. Journal of Biomedical Optics, 2014, Jun 1;19(6):67004. doi: 10.1117/1.JBO.19.6.067004

http://biomedicaloptics.spiedigitallibrary.org/article.aspx?articleid=1881172

17. Gramatikov, B. Modern Technologies for retinal Scanning and Imaging. An Introduction for the biomedical Engineer.” An invited review, Biomedical Engineering OnLine, 2014, 13:52; DOI: 10.1186/1475-925X-13-52. Published April 29, 2014.

http://www.biomedical-engineering-online.com/content/13/1/52

18. Irsch, K, Gramatikov, B.I., Wu, Y-K, Guyton, D.L. Improved eye-fixation detection using polarization-modulated retinal birefringence scanning, immune to corneal birefringence. Optics Express, 22(7):7972-7988, published on 18 March 2014, DOI:10.1364/OE.22.007972

http://www.opticsinfobase.org/oe/fulltext.cfm?uri=oe-22-7-7972&id=282349

http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-22-7-7972

19. Gramatikov, B. Detecting fixation on a target using time-frequency distributions of a retinal birefringence scanning signal. BioMedical Engineering OnLine 2013, 12:4. Published on May 13, 2013. doi:10.1186/1475-925X-12-41

http://www.biomedical-engineering-online.com/content/12/1/41

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3661397/

20. Gramatikov,B., Irsch,K., Müllenbroich,M., Frindt,N., Qu,Y., Gutmark,R. Wu,Y.-K., Guyton, D. A Device for Continuous Monitoring of True Central Fixation Based on Foveal Birefringence. Annals of Biomedical Engineering, May 4, 2013 [Epub ahead of print] DOI: 10.1007/s10439-013-0818-2. PMID: 23645511,

http://link.springer.com/article/10.1007%2Fs10439-013-0818-2

https://www.ncbi.nlm.nih.gov/pubmed/23645511

21. Irsch, K., Gramatikov, B., Wu, Y.-K., Guyton, D. Modeling and minimizing interference from corneal birefringence in retinal birefringence scanning for foveal fixation detection. Biomed Opt Express. 2011 Jul 1;2(7):1955-68. Epub 2011 Jun 17,

http://www.ncbi.nlm.nih.gov/pubmed/21750772

http://www.opticsinfobase.org/boe;

https://www.osapublishing.org/boe/abstract.cfm?uri=boe-2-7-1955

22. AgopovM., Gramatikov B.I., Wu Y.K., Irsch K, Guyton D.L. Use of retinal nerve fiber layer birefringence as an addition to absorption in retinal scanning for biometric purposes. Applied Optics, 2008, Mar 10; 47 (8):1048-53,

https://www.osapublishing.org/ao/abstract.cfm?URI=ao-47-8-1048

http://www.ncbi.nlm.nih.gov/pubmed/18327275

23. Gramatikov B.I., Zalloum O.H.Y., Wu Y.K., Hunter D.G., Guyton D.L. A Directional Eye Fixation Sensor Using Birefringence-Based Foveal Detection. Applied Optics, Vol. 46, Issue 10, pp. 1809-1818, April 2007,

https://www.osapublishing.org/vjbo/fulltext.cfm?uri=ao-46-10-1809&id=130944

24. Gramatikov B.I., Zalloum O.H.Y., Wu Y.K., Hunter D.G., Guyton D.L. Birefringence-based eye fixation monitor with no moving parts. Journal of Biomedical Optics, 2006, 11(3), May-June, pp. 034025-1 - 034025-11,

http://www.ncbi.nlm.nih.gov/pubmed/16822074

https://www.spiedigitallibrary.org/journals/Journal-of-Biomedical-Optics/volume-11/issue-03/034025/Birefringence-based-eye-fixation-monitor-with-no-moving-parts/10.1117/1.2209003.full

25. Nusz K.J., Congdon N.G., Tang Ho, Gramatikov B.I., Friedman D.S., Guyton D.L., Hunter D.G. Rapid, objective detection of cataract-induced blur using a bull's eye photodetector. J Cataract Refract Surg. 2005 Apr;31(4):763-70,

http://www.sciencedirect.com/science/article/pii/S0886335004009484

http://www.ncbi.nlm.nih.gov/pubmed/15899454

https://journals.lww.com/jcrs/FullText/2005/04000/Rapid,_objective_detection_of_cataract_induced.37.aspx

26. Hunter D.G., Nassif D.S., Piskun N.V., Winsor R., Gramatikov B.I., Guyton D.L. Pediatric Vision Screener 1: instrument design and operation. Journal of Biomedical Optics, 2004 Nov;9(6):1363-1368

http://biomedicaloptics.spiedigitallibrary.org/article.aspx?articleid=1101874

27. Nassif D.S., Piskun N.V., Gramatikov B.I., Guyton D.L., Hunter D.G. Pediatric Vision Screener 2: pilot study in adults. Journal of Biomedical Optics, 2004 Nov;9(6):1369-1374,

http://www.ncbi.nlm.nih.gov/pubmed/15568960

https://www.spiedigitallibrary.org/journals/Journal-of-Biomedical-Optics/volume-9/issue-06/0000/Pediatric-Vision-Screener-2-pilot-study-in-adults/10.1117/1.1805561.full

28. Hunter D.G., Nusz K.J., Gandhi N.K., Quraishi I.H., Gramatikov B.I., Guyton D.L. Automated detection of ocular focus. Journal of Biomedical Optics, 2004, Sep-Oct; 9(5):1103-9,

http://biomedicaloptics.spiedigitallibrary.org/article.aspx?articleid=1101822

29. Murabayashi T., Fetics B., Kass D, Nevo E, Gramatikov B, Berger RD. Beat-to-Beat QT Interval Variability Associated with Acute Myocardial Ischemia. Journal of Electrocardiology, Vol. 35, No. 1, 2002, pp. 19-25,

http://www.sciencedirect.com/science/article/pii/S0022073602789048

http://www.ncbi.nlm.nih.gov/pubmed/11786943

30. Gramatikov, B., Brinker, J., Yi-chun, S., Thakor, N. Wavelet analysis and time-frequency distributions of the Body Surface ECG before and after angioplasty. Computer Methods and Programs in Biomedicine, Vol. 62, No. 2, June 2000, pp.87-98,

http://www.sciencedirect.com/science/article/pii/S0169260700000602

http://www.ncbi.nlm.nih.gov/pubmed/10764935

31. Shenai M., Gramatikov, B.I., Thakor, N.V. Computer models of depolarization alterations Induced by myocardial ischemia. The effect of superimposed ischemic inhomogeneities on propagation in space and time-frequency domains. Journal of Biological Systems, Vol. 7, No.4, 1999, pp. 553-574,

http://www.worldscientific.com/doi/abs/10.1142/S0218339099000322?journalCode=jbs

32. Thakral, A., Stein, L., Shenai, M., Gramatikov, B.I. and Thakor, N.V. Effects of Anodal versus Cathodal Pacing on the Mechanical Performance of the Isolated Rabbit Heart. Journal of Applied Physiology, Vol. 89, Issue 3, 1159-1164, September 2000,

http://jap.physiology.org/content/jap/89/3/1159.full.pdf

http://www.ncbi.nlm.nih.gov/pubmed/10956364

33. Thakor, N.V., Ferrero, J.M.Jr., Saiz, J., Gramatikov, B., Ferrero, J.M. Sr. Electrophysiologic models of heart cells and cell networks. IEEE Engineering in Medicine and Biology, Vol. 17, No.5, Sept./Oct. 1998, pp. 73-83,

http://www.ncbi.nlm.nih.gov/pubmed/9770609

http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=715490

http://ieeexplore.ieee.org/document/715490/?reload=true

34. Gramatikov, B. Variability maps of body surface ECG in normal subjects.
Physiological Measurement, IOP publishing, Vol. 16, 1995, pp. 239-252,

http://www.ncbi.nlm.nih.gov/pubmed/8599691

https://iopscience.iop.org/article/10.1088/0967-3334/16/4/004

https://iopscience.iop.org/article/10.1088/0967-3334/16/4/004/pdf

35. Gramatikov, B., Georgiev, I. Wavelets as an Alternative to STFT in signal-averaged electrocardiography. Medical and Biological Engineering and Computing, Vol.33, No.3, May 1995, pp. 482-487,

http://link.springer.com/article/10.1007%2FBF02510534

36. Gramatikov, B., Yi-chun, S., Rix, H., Caminal, P., Thakor, N. Multiresolution wavelet analysis of the body surface ECG before and after angioplasty. Annals of Biomedical Engineering, Vol. 23, 1995, pp. 553-561,

http://www.ncbi.nlm.nih.gov/pubmed/7503458

http://link.springer.com/article/10.1007%2FBF02584455

37. Nikolov, Z., Georgiev, I., Gramatikov, B., Daskalov, I. Use of the Wavelet Transform for Time-Frequency Localization of Late Potentials. Congress '93 of the German, Austrian and Swiss Society for Biomedical Engineering, Graz, Austria, Sept 16-18 , 1993. Published as a short article in Biomedizinische Technik, Suppl.38 (1993), pp. 87-89,

http://www.degruyter.com/view/j/bmte.1993.38.issue-s1/bmte.1993.38.s1.87/bmte.1993.38.s1.87.xml

38. Gramatikov, B. Detection of late potentials in the signal-averaged ECG - combining time and frequency domain analysis. Medical and Biological Engineering and Computing, Vol.31, No.4, July 1993, pp.333-339,

http://link.springer.com/article/10.1007%2FBF02446684

39. Gramatikov, B. Digital filters for the detection of late potentials. Medical and Biological Engineering and Computing, Vol.31, No.4, July 1993, pp.416-420.,

http://link.springer.com/article/10.1007%2FBF02446698

40. Dotsinsky, I. A., Gramatikov, B. I., Dascalov, I. K. A digital heart-ratemeter using an EPROM converter. Medical and Biological Engineering and Computing, 1980, Vol.18, pp. 481-482,

http://link.springer.com/article/10.1007%2FBF02443322

41. Gramatikov, B. I. An acoustic amplifier for phonocardiographic monitoring. Medical Technology (in Bulgarian language), No.1, 1982, pp. 65-69.

42. Dotsynsky, I. A., Gramatikov, B. I. An enhanced counter for counting microscopic cells in the clinical laboratory. Medical Technology (in Bulgarian language), No. 1, 1979, pp. 68-71

43. Gramatikov, B. I. Enhancing the microprocessor KIT-D2 (Motorola) for the development of medical instrumentation. Medical Technology (in Bulgarian language), No.1, 1981, pp. 73-75.

44. Gramatikov, B., Ivanov, E. Using triacs for programmed intensity control of electric light sources Radio, Television and Electronics (in Bulgarian language), No. 7, 1985, pp.33-34, UDK 621.382

INVITED BOOK REVIEWS

45. Gramatikov, B. Book review: "Handbook of Biomedical Optics", edited by David A. Boas, Constantinos Pitris, and Nimmi Ramanujam. BioMedical Engineering OnLine 11:7, doi:10.1186/1475-925X-11-7, MS: 1483280662658623, 10 February 2012.

http://www.biomedical-engineering-online.com/content/11/1/7

short papers in conference proceedings

46. Irsch,K., Gramatikov,B.I., Wu, Y. K., Guyton, D. L. “A Novel Pediatric Vision Screener Employing Wave-Plate-Enhanced, Retinal-Birefringence-Scanning-Based Strabismus Detection and Double-Pass Focus Detection” Conference Paper. Imaging Systems and Applications, Arlington, VA, USA, June 23-27, 2013, Section Medical II (ITh2D). OSA Technical Digest (online) and in Imaging and Applied Optics © OSA 2013, ITh2D.5. Available through OpticsInfoBase (OSA’s Digital Library) (Optical Society of America, 2013).

http://www.opticsinfobase.org/abstract.cfm?uri=ISA-2013-ITh2D.5

47. K. Irsch, B. I. Gramatikov, Y.-K. Wu, and D. L. Guyton: "Spinning wave plate design for retinal birefringence scanning." SPIE conference on Advanced Biomedical and Clinical Diagnostic Systems VII, San Jose, CA (Jan 2009). Proc of SPIE 7169, 71691F1-12,

http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1331894

48. Gramatikov B.I., Zalloum O.H.Y., Wu Y.K., Hunter D.G., Guyton D.L. Changing polarization of foveal nerve fibers in the eye allows detection of central fixation. SPIE Newsroom online article. 10.1117/2.1200608.0351.

http://spie.org/x8630.xml

49. Nassif, D., Gramatikov, B., Guyton, D., Hunter, D. Pediatric Vision Screening using Binocular Retinal Birefringence Scanning. In Proceedings of SPIE Vol. 4951 Ophthalmic Technologies XIII, edited by Fabrice Manns, Per G. Soederberg, Arthur Ho, (SPIE, Bellingham, WA, 2003), pp 9-20,

http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1314093

50. Gramatikov, B. Iyer, V. Ischemia-Related Depolarization Changes Detected in Body-Surface Ambulatory ECG Recordings. Chicago 2000 World Congress on Medical Physics and Biomedical Engineering, July 23-28, 2000. Short paper (3 pages). In Congress 2000 Proceedings,

http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=897868&contentType=Conference+Publications

ABSTRACTS - NORTH AMERICAN AND EUROPEAN CONFERENCES

51. Gramatikov B.I., Guyton, D.L. Spectral similarity as an indicator of binocular eye alignment during retinal birefringence scanning. Annual Conference of The Association for Research in Vision and Ophthalmology (ARVO) 2023, April 22-27, New Orleans, LA, Abstract Number: 5316 - C0110.

52. Gramatikov B.I. New developments in the detection and treatment of amblyopia using optical technologies. International Forum on Lasers, Optics and Photonics (LOPFORUM2023), March 13-15, 2023 (virtual conference), Invited keynote talk on Day 1.

https://www.continuumforums.com/2023/lopforum

53. Gramatikov B.I. Combining ophthalmic diagnostic modalities by means of an open-frame RBS system, LOPS 2023 (3^rd Edition of the Annual Conference on Lasers, Optics Photonics, Sensors, Bio Photonics and Ultrafast Nonlinear Optics), June 2-4, Ft. Lauderdale, FL

https://exceleve.com/photonoptics/

54. Gramatikov B.I. Optimizing the performance of polarization sensitive free-space optical systems Annual Conference on Lasers, Optics Photonics, Sensors, and Ultrafast Nonlinear Optics (LOPS-2022), June 10-12, 2022 (virtual)

https://exceleve.com/photonoptics/pdfs/LOPS_2022_Book.pdf

55. Gramatikov B.I. Ophthalmic polarization-sensitive diagnostic technologies employing retinal birefringence scanning. International Annual Conference on Lasers, Optics Photonics, Sensors (LOPS 21), June 12-14, 2021 (virtual)

https://exceleve.com/photonoptics/pdfs/LOPS_2021_Proceedings.pdf

56. Gramatikov B.I. Integrating birefringence scanning in OCT-centered multimodal retinal diagnostic Systems. EMBC 2020 - 42nd Annual International Conferences of the IEEE Engineering in Medicine and Biology Society (EMBS). July 20-24, 2020 via the EMBS Virtual Academy (virtual). Mini-Symposium on “Emerging biophotonic applications based on, or conjoined with OCT technologies”.

https://embc.embs.org/2020/wp-content/uploads/sites/57/2020/02/0013_mini_s.pdf

57. Gramatikov, B. “Biophotonic technologies for advanced eye diagnostics”. 2^nd International Conference on Medical Imaging and Case Reports, MICR-2019, November 20-22, 2019, Boston, MA.

Gramatikov, B. “Using liquid crystal variable retarders as phase compensators in retinal birefringence scanning”. The IEEE Engineering in Medicine and Biology Society’s (EMBS) 41st International Engineering in Medicine and Biology Conference (July 23-27, 2019, Berlin, Germany), Minisymposium “Applications of liquid crystal technologies in imaging systems for ophthalmology”, Session ThC12, Theme 02: “Biomedical Imaging and Image Processing”.
Gramatikov, B. “Novel equipment for identifying and treating strabismus and amblyopia (“lazy eye”) in pediatric patients”. Eye Care 2019, Philadelphia, PA

60. Gramatikov, B.I. “Optimizing the optoelectronics for retinal polarization-sensitive scanning when used in combination with other ophthalmic diagnostic technologies”. International Conference on Medical Imaging & Case Reports (MICR-2018), MD, Oct 29-31, 2018, Double Tree by Hilton Baltimore, Baltimore, MD, USA.

Gramatikov, B.I., Irsch, K., Guyton, D. L. “Combining Retinal Birefringence Scanning with Long Working Distance OCT for Pediatric Imaging”, Oral presentation, (Ref. 230), The 2018 IEEE Engineering in Medicine and Biology Society’s (EMBS) 40th International Engineering in Medicine and Biology Conference, Honolulu, HI, July 17-21, 2018. Part of Minisymposium “Using lasers and polarization-sensitive technology in retinal scanning/imaging”, WeAT19, (July 18, 2018);
Guyton, D. L., Gramatikov, B.I., Irsch, K. “The Use of Phase Shift Subtraction to Obtain Differential Polarization Measurements with a Single Detector and Eliminate Unwanted Frequencies in Periodic Signals”, Oral presentation, (Ref. 237), The 2018 IEEE Engineering in Medicine and Biology Society’s (EMBS) 40th International Engineering in Medicine and Biology Conference, Honolulu, HI, July 17-21, 2018. Part of Minisymposium “Using lasers and polarization-sensitive technology in retinal scanning/imaging”, WeAT19, (July 18, 2018);
Guyton, D. L., Gramatikov, B.I., Irsch, K. “Modeling and minimizing the effect of corneal birefringence in polarization-sensitive retinal scanning”, Oral presentation, (Ref. 236), The 2018 IEEE Engineering in Medicine and Biology Society’s (EMBS) 40th International Engineering in Medicine and Biology Conference, Honolulu, HI, July 17-21, 2018. Part of Minisymposium “Using lasers and polarization-sensitive technology in retinal scanning/imaging”, WeAT19, (July 18, 2018);
Gramatikov, B.I., Irsch, K., Guyton, D. L. “Integrating Retinal Birefringence Scanning and Optical Coherence Tomography for Pediatric Retinal Imaging”. 2018 OSA Imaging and Applied Optics Congress, Wyndham Orlando Resort International Drive, Orlando, Florida 25-28 June, 2018; Session Title: Biomedical Imaging I. Invited oral presentation.

65. Gramatikov, B. “A computer system integrating central fixation detection and optical coherence tomography for pediatric applications”. 3^rd Global Pediatric Ophthalmology Congress, March 22-23, 2018, London, UK. Oral presentation. In Proceedings: Journal of Clinical & Experimental Ophthalmology, Vol. 9, March 2018, p. 76; DOI: 10.4172/2155-9570-C2-081.

66. Gramatikov, B.I., Gramatikov, I.B., Simons, K., Guyton, D. A shutter glasses controller for visual stimulation. Abstract for ARVO Annual Meeting, May 7-11, 2017, Baltimore, MD. Presentation Nr: 2355 - B0504, Session Number: 285. Selected by the Program Committee as a "Hot Topic, representing the newest and most innovative research being conducted in various specialties”. This distinction was awarded to 2% of all 2017 Annual Meeting abstracts.

67. Irsch, K., Gramatikov, B.I., Wu, Y. K., Guyton, D. L. “Development of a pediatric vision screening device for remote assessment of binocular fixation and focus using birefringence properties of the eye”. CLEO (Conference on Lasers and Electro-Optics), San Jose, June 2016.

https://www.osapublishing.org/view_article.cfm?gotourl=https%3A%2F%2Fwww%2Eosapublishing%2Eorg%2FDirectPDFAccess%2F858EAF02%2DFC2E%2D472E%2D3E7E53AEEA080894%5F341207%2FCLEO%5FAT%2D2016%2DATu1O%2E7%2Epdf%3Fda%3D1%26id%3D341207%26uri%3DCLEO%5FAT%2D2016%2DATu1O%2E7%26seq%3D0%26mobile%3Dno&org=Johns%20Hopkins%20University%20%28Eisenhower%20Library%29

68. Gramatikov, B.I., Irsch, K., Wu, Y. K., Guyton, D. L. New Pediatric Vision Screener – Part II: Electronics, Optimization, Data Analysis and Validation. Abstract for ARVO Annual Meeting, April 30 – May 5, 2016, Seattle, Washington. Presentation Number: 3094 - B0081, Session Number: 317. Selected by the Program Committee as a "Hot Topic, representing the newest and most innovative research being conducted in various specialties”. This distinction was awarded to 2% of all 2016 Annual Meeting abstracts.

69. Ying, H.S., Rhiu, S., Yang, C., Geary, R., Gramatikov, B. I., Guyton, D. L., Irsch, K. Greater eye movement disconjugacy with near fixation in amblyopia during binocular viewing is associated with increased microsaccade rate. Oral presentation, ARVO Annual Meeting, April 30 – May 5, 2016, Seattle, Washington. Presentation Number: 3817, Session Number: 368.

70. Gramatikov, B. “Detecting central fixation by means of retinal birefringence scanning and time-frequency analysis”. February Fourier Talks (FFT) 2016, The Norbert Wiener Center for Harmonic Analysis and Applications, Department of Mathematics, University of Maryland College Park, Feb 18-19, 2016 (invited talk)

http://www.norbertwiener.umd.edu/FFT/2016/schedule.html

http://www.norbertwiener.umd.edu/FFT/2016/15-TAs/Gramatikov.html

71. Toth, C., Gramatikov, B. “Diagnosis and Management of Infant Retinal Disease: Fast Swept Source Optical Coherence Tomography Synchronized with Central Fixation”. The Hartwell Foundation, Eighth Annual Meeting on Biomedical Research, Sept 27 – Sept 30, 2015, Hilton Monona Terrace, Madison, WI. In Abstracts book, 26.1 – 26.3.

72. Qian,R., Carrasco-Zevallos,O., Vajzovic, L., Gramatikov,B.I., Guyton,D.L., Toth,C.A., Izatt, J.A. Long Working Distance Swept Source Optical Coherence Tomography for Pediatric Imaging. Abstract for ARVO Annual Meeting, May 2-7, 2015, Denver, Colorado. Presentation Number: 4094 - B0016

73. Gramatikov, B., Guyton, D. “A No-Moving-Parts Sensor for Detection of Eye Fixation Using Polarized Light and Retinal Birefringence Information” Abstract for ARVO Annual Meeting, May 2-7, 2015, Denver, Colorado. Presentation Number: 5306 - A0060, Session Number: 504.

74. Xu, V., Geary,R., Gramatikov,B.I., Guyton, D.L., Irsch,K., Ying, H.S. Disconjugacy of eye alignment is greater with near fixation during binocular viewing in amblyopia. 41st North American Neuro-Ophthalmology Society (NANOS) 2015 Annual Meeting, Feb 21-26, 2015, San Diego, CA.

75. Toth, C., Gramatikov, B. “Diagnosis and Management of Infant Retinal Disease: Fast Swept Source Optical Coherence Tomography Synchronized with Central Fixation”. The Hartwell Foundation, Seventh Annual Meeting on Biomedical Research, Sept 28 – October 1, 2014, The Peabody Hotel, Memphis, TN. In Abstracts book.

76. Ying, H.S., Geary,R., Xu,V., Gramatikov,B.I., Guyton, D.L., Irsch,K. Disconjugacy of eye alignment may be a sensitive marker for amblyopia. AAPOS-JAPO-JASA Joint Meeting, Nov. 30 – Dec.1, 2014, Kyoto, Japan.

77. Irsch, K., Gramatikov, B., Wu, Y.-K., Guyton, D.L. A new pediatric vision screening device employing polarization-modulated, retinal-birefringence-scanning-based strabismus detection and bull’s eye focus detection with an improved target system. Annual Conference of the European Optical Society, EOSAM 2014, Berlin Adlershof, Exhibition Centre, Germany, 15-19 September 2014, TOM 4 - Biophotonics and Medical Optics; ID: 54.

78. Gramatikov, B., Irsch, K., Guyton, D.L. Attention attracting fixation targets. Abstract for ARVO Annual Meeting, May 4-8, 2014, Orlando, Florida. Abstract Number: 434 - D0053.

79. Irsch,K., Robert B. Geary,R.B., Tian,J., Guyton, D.L., Gramatikov, B.I. and Ying, H.S. Interocular fixation instability: a sufficient marker for amblyopia? Abstract for ARVO Annual Meeting, May 4-8, 2014, Orlando, Florida. Abstract Number: 813.

80. Gramatikov, B., Guyton, D. “A No-Moving-Parts Sensor for Detection of Eye Fixation Using Polarized Light”. Metropolitan Biophotonics Symposium 2013, Oct 21, 2013, George Washington University Marvin Center, Washington DC.

81. Toth, C., Gramatikov, B. “Diagnosis and Management of Infant Retinal Disease: Fast Swept Source Optical Coherence Tomography Synchronized with Central Fixation”. The Hartwell Foundation, Sixth Annual Meeting on Biomedical Research, October 6-9, 2013, The Boar’s Head Inn, Charlottesville, VA. In Abstracts book, abstract #26.

82. Gramatikov,B., Irsch,K., Guyton D. Pupil size dynamics during the first minutes of dark adaptation while fixating on a target. Abstract for ARVO Annual Meeting, May 5-9, 2013, Seattle, Washington. Presentation Number: 4374, Session Number: 420.

83. Irsch, K., Gramatikov, B., Guyton, D. A Novel Pediatric Vision Screener Employing Wave-Plate-Enhanced, Retinal-Birefringence-Scanning-Based Strabismus Detection and Double-Pass Focus Detection. Abstract for ARVO Annual Meeting, May 5-9, 2013, Seattle, Washington. Presentation Number: 3986.

84. Gramatikov, B. “Pediatric Vision Screening Instrument for Early Detection of Amblyopia (‘Lazy Eye’). The Hartwell Foundation, Fifth Annual Meeting on Biomedical Research, Sept 30-Oct 3, 2012, Washington Duke Inn, Durham, NC. In proceedings: p.12.

85. Gramatikov, B. “Detecting Central Fixation with Autoregressive Modeling during Retinal Birefringence Scanning” ARVO (Association for Research in Vision and Ophthalmology), 2012 Annual Meeting, May 6-10, Ft. Lauderdale, Florida, Program Number: 3883/D707, Session 372.

86. Irsch, K., Shah, A., Gramatikov, B., Guyton, D. Central Corneal Birefringence in Children Assessed with Scanning Laser Polarimetry. ARVO (Association for Research in Vision and Ophthalmology), 2012 Annual Meeting, May 6-10, Ft. Lauderdale, Florida, Program Number: 3616/D1129, Session 357.

87. Gramatikov, B., Irsch, K., Müllenbroich, M.C., Frindt, N., Qu, Y. Gutmark, R., Wu, Y.-K., Guyton, D. A Monocular Device for Continuous Monitoring of Central Fixation using Retinal Birefringence Scanning. The 4th Annual Metropolitan Biophotonics Symposium, MBS 2012. Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD, March 19, 2012. In proceedings: p.19.

88. Gramatikov, B. “Pediatric Vision Screening Instrument for Early Detection of Amblyopia (‘Lazy Eye’). The Hartwell Foundation, Fourth Annual Meeting on Biomedical Research, Sept 26-29, 2011, The Peabody Hotel, Memphis, TN. In proceedings: p.30.

89. Gramatikov, B. “A Method of Detecting and Monitoring Central Fixation Using the Continuous Wavelet Transform” ARVO (Association for Research in Vision and Ophthalmology), 2011 Annual Meeting, May 1-5, Ft. Lauderdale, Florida, Abstract # 6340/D774, Session 551.

90. Gramatikov, B. “Pediatric Vision Screening Instrument for Early Detection of Amblyopia (‘Lazy Eye’). The Hartwell Foundation, Third Annual Meeting on Biomedical Research of, Sept 26-29, 2010, Cornell University, Ithaca, NY. In proceedings: p.25.

91. K. Irsch, B. I. Gramatikov, Y.-K. Wu, and D. L. Guyton: "Polarization modulation improves retinal birefringence scanning." OSA Vision Meeting in Rochester NY October 24 - 26, 2008; Abstracts in Journal of Vision 8(17), 61, 61a, , doi:10.1167/8.17.61

92. K. Irsch, B. I. Gramatikov, Y.-K. Wu, and D. L. Guyton: "Optimized retinal birefringence scanning using wave plates for strabismus screening." 20th Wilmer Annual Research Meeting, April 24, 2009, in Abstracts, p. 12.

93. K. Irsch, B. I. Gramatikov, Y.-K. Wu, and D. L. Guyton: "Polarization modulation using wave plates to enhance foveal fixation detection in retinal birefringence scanning for strabismus screening purposes." Invest Ophthalmol Vis Sci 2009; 50: ARVO EAbstract 4755.

94. Repka, M. X., Gramatikov, B. I. The reproducibility of blur with a Bangerter filter. AAPOS (American Association for Pediatric Ophthalmology and Strabismus), 2006 Annual Meeting, Keystone, Colorado, March 15-19, 2006.

95. Guyton, D.L., Gramatikov, B.I., Wu, Y.K. Pediatric vision screener using retinal birefringence screening: new developments. The 64-th Wilmer Residents Association Clinical Meeting. April 22-23, 2005, Wilmer Ophthalmological Institute, Johns Hopkins, Baltimore, MD

96. Gramatikov, B.I., Zalloum, O.H.Y., Wu, Y.K., Hunter, D.G., Guyton, D.L. Birefringence-Based Eye Fixation Monitor with No Moving Parts. ARVO (Association for Research in Vision and Ophthalmology), 2004 Annual Meeting, April 25-29, Ft. Lauderdale, Florida, Abstract #2534-B169.

97. Guyton, D.L., Zalloum, O.H.Y., Gemp,K.R., Hunter, D.G., Gramatikov, B.I. Simplified Polarization Birefringence Technique for Detecting Eye Fixation. ARVO (Association for Research in Vision and Ophthalmology), 2004 Annual Meeting, April 25-29, Ft. Lauderdale, Florida, Abstract #3489.

98. Hunter, D.G., Piskun, N.V., Guyton, D.L., Gramatikov, B.I., Nassif, D. Clinical performance of the Pediatric Vision Screener. ARVO (Association for Research in Vision and Ophthalmology), 2004 Annual Meeting, April 25-29, Ft. Lauderdale, Florida, Abstract #3488.

99. Hunter, D.G., Piskun, N., Guyton, D.L., Gramatikov, B.I., Nassif, D. Clinical performance of the Pediatric Vision Screener. AAPOS (American Association for Pediatric Ophthalmology and Strabismus), 2004 Annual Meeting , March 27-31, 2004, Washington DC.

100. Gramatikov, B.I., Tarczy-Hornoch, K., Nassif, D.S., Hunter, D.G., Guyton, D.L. Improved fixation target for accommodation in a focus-detection photoscreener. ARVO (Association for Research in Vision and Ophthalmology), 2003 Annual Meeting, May 4 - 9, 2003, Ft. Lauderdale, Florida, Abstract #2640.

101. Hunter, D.G., Nassif, D., Gramatikov, B., Guyton, D.L. Simultaneous detection of ocular focus and alignment using the Pediatric Vision Screener. ARVO (Association for Research in Vision and Ophthalmology), 2003 Annual Meeting, May 4-9, 2003, Ft. Lauderdale, Florida, Abstract #4423.

102. Nassif, D., Gramatikov, B., Guyton, D., Hunter, D. Pediatric Vision Screening using Binocular Retinal Birefringence Scanning. In Proceedings of SPIE Vol. 4951 Ophthalmic Technologies XIII, edited by Fabrice Manns, Per G. Soederberg, Arthur Ho, (SPIE, Bellingham, WA, 2003) in press.

103. Nusz, K., Congdon, N., Gramatikov, B., Friedman, D., Guyton, D.L., Hylton, C., Hunter, D.G. Rapid, Objective Detection of Cataract-induced Blur Using a Bull's Eye Photodetector. ARVO (Association for Research in Vision and Ophthalmology) 2002 Annual Meeting, May 5-10, 2002, Fort Lauderdale, Florida. Poster Board Number: B536; Presentation Number: 1526.

104. Hunter, D.G., Gandhi, N.K., Quraishi, I.H., Gramatikov, B.I., Guyton, D.L. Automated Detection of Ocular Defocus Using a Bull’s Eye Photodetector. Poster presentation, American Association for Pediatric Ophthalmology and Strabismus (AAPOS) annual meeting, March 2001.

105. Gramatikov, B.I., Hunter, D.G., Guyton, D.L. Determination of Ocular Defocus Using the Double-Pass Blur Image of a Point Source of Light in Model Eyes with or without Astigmatism. Abstracts of The 12th Annual Wilmer Research Meeting. March 9, 2001, Johns Hopkins University School of Medicine.

106. Thakral, A., Stein, L., Shenai, M., Gramatikov, B., Thakor, N. and Mower, M. Effects of varying the pacing waveform on mechanical performance in the rabbit heart. Pace, Vol.22, April 1999, Part II, p.750 (Abstracts of the 20th Annual Scientific Sessions of the North American Society of Pacing and Electrophysiology, NASPE, Toronto, May 12-15, 1999).

107. Thakral, A., Stein, L., Shenai, M., Gramatikov, B., Thakor, N. and Mower, M. Comparison of anodal vs. cathodal pacing patterns in isolated Langendorff perfused rabbit hearts. Abstracts of the Biomedical Engineering Society 1998 Annual Fall Meeting, 10-13 October 1998, Cleveland, OH. In Annals of Biomedical Engineering, Vol. 26, Suppl. 1, p. S-22, Abstract CB.46.

108. Shenai, M., Gramatikov, B., Thakor, N.V. Computer modeling of depolarization changes induced by myocardial ischemia. Computers in Cardiology 1998, Vol. 25, Cleveland, Ohio, Sept.13-16, 1998. pp. 321-324.

109. Gramatikov, B.I., Provaznik, I., Thakor, N.V. Depolarization Changes During Ischemia Detected Through Time-Frequency Analysis of the Intracardiac Electrogram. Computers in Cardiology 1998, Vol. 25, Cleveland, Ohio, Sept.13-16, 1998, pp. 289-292.

110. Casaleggio, A., Gramatikov, B., Thakor N. V. Dynamic Differences Between Ventricular Fibrillation Types Induced in Human Patients by Different Types of Stimulation. Computers in Cardiology 1997, Vol. 24, Lund, Sweden, Sept. 7-10, 1997, Publ. IEEE, Inc, pp.89-92

111. Casaleggio, A., Gramatikov, B., Thakor, N. On the use of Wavelets to separate dynamical activities embedded in a time series. Computers in Cardiology, Indianapolis, Sept. 8-11, 1996, Publ. IEEE, Inc, pp. 181-184.

112. Gramatikov, B., Detschew, V., Grieszbach, G. Dynamische Spektralanalyse des EKG zur fruehzeitigen Erkennung von Myokardischaemie (Dynamic spectral analysis of the ECG for early detection of myocardial ischaemia). 39th International Colloquium of the Technical University Ilmenau, Sept.27-30, 1994, Ilmenau, Germany. In Proceedings, B-2.2.2., Vol.2, pp. 384-388.

113. Gramatikov, B. Comparison of ECG maps reconstructed from irregular grids of limited number of electrodes. 39th International Colloquium of the Technical University Ilmenau, Sept.27-30, 1994, Ilmenau, Germany. In Proceedings, B-2.3.1., Vol.2, pp. 411-415.

114. Thakor, N., Yi-chun, S., Gramatikov, B., Rix, H., Caminal, P. Multiresolution wavelet analysis of ECG: Detection of ischemia and reperfusion in angioplasty. World Congress on Medical Physics and Biomedical Engineering, Rio de Janeiro, Brazil, August 1994, In Proceedings: RT15-2.4, p.392

115. Gramatikov, B, Thakor, N. Wavelet analysis of coronary artery occlusion related changes in ECG. 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, October 28-31, 1993, San Diego, California, USA. In Proceedings, p.731.

116. Thakor, N., Gramatikov, B., Mita, M. Multiresolution Wavelet Analysis of ECG during ischemia and reperfusion. Computers in Cardiology, London, 5-8 Sept. 1993. In Proceedings (IEEE Comp.Soc.Press), pp.895-898.

117. Gramatikov, B. I., Lolov, V.R. Application of Microcomputers in ECG analysis (in German) Congress'88 of the East-German Society for Biomedical Engineering and Computing. Dresden, Germany, 7.03 - 11.03.1988. In Abstracts., C-16.

118. Gramatikov, B. I. Phonocardiographic filters (in German). Congress'85 of the East-German Society for Biomedical Engineering and Computing. Leipzig, Germany, April 1985; In Proceedings, presentation B-32, pp. 110-111.

119. Gramatikov, B. I., Dotsinski, I. A. Automatic gain conrtol of phonocardiographic signals. (in German) Congress'82 of the East-German Society for Biomedical Engineering and Computing. Dresden, Germany, March 1982 . In Abstracts., C-43, p.58.

120. Dotsynsky, I. A., Gramatikov, B. I., Ninova, P. P. Microprocessor analysis of phonocardiosignals in children. Fifth conference on Bioengineering, 20-24 Sept., 1981, Budapest. (in English), In Collected Abstracts, pp.64-65.

121. Mintschew, W., Schektow, W., Gramatikow, B., Jossifow, W. An upgraded microprocessor development system based on Motorola’s Kit D2. Scientific achievements of the Bulgarian students and post-graduate students in Germany. A Publication of the Technical University Ilmenau, 1981, pp. 64-72.

122. Gramatikov, B. Measurement of heart- and respiration rate using integrated circuits (in German). Congress '79 of the East-German Society for Biomedical Engineering and Computing. Berlin, Germany, Nov., 1979. In Abstracts: C34-P.

123. Gramatikov, B. Estimation of an efficiency criterion for optimization of multilevel control systems. Review of the scientific achievements of the Bulgarian students in Germany, Berlin 1975. (in German). In Proceedings, paper No.12, pp. 10-21.

ABSTRACTS - BULGARIAN CONFERENCES with international participation

124. Gramatikov, B., Daskalov, I. Changes in the ECG with PTCA. Proceedings of the Bulgarian Seventh National Conference on Biomedical Physics and Engineering (with international participation), Sofia, 17-19 Oct 1996, in English, pp. 114-116.

125. Gramatikov, B., Casaleggio, A. On the dynamical difference obtained from different simultaneously recorded leads of ECG signals. Proceedings of the Bulgarian Seventh National Conference on Biomedical Physics and Engineering (with international participation), Sofia, 17-19 Oct 1996, in English, pp. 110-113.

126. Gramatikov, B. Serial comparison of multilead ECG recordings used for mapping. Proceedings of the Bulgarian Seventh National Conference on Biomedical Physics and Engineering (with international participation), Sofia, 17-19 Oct 1996, in English, pp. 117-120.

127. Gramatikov, B. Electrocardiographic surface mapping of the human torso. Fourth National Conference of applied science “Electronic Technology - ET’95” of The Technical University of Sofia. 27-29 Sept. 1995, Sozopol, Bulgaria. In Proceedings, pp. 122-126 (in Bulgarian language).

128. Gramatikov, B. Non-invasive recording of His-bundle activity by means of high-resolution signal-averaged electrocardiography. Sixth National Conference on Biomedical Physics and Engineering with International Participation. Sofia, 22-24 October 1992., (in English), In Proceedings, pp.3-8.

129. Gramatikov, B. Comparison of some linear phase FIR-filters for real-time ECG processing. Sixth National Conference on biomedical Physics and Engineering with international Participation. Sofia, 22-24 October 1992 (in Engl.) In Proceedings - pp.27-31.

130. Shachov, B., Gramatikov, B., Petkov, A., Dimitrov, E. Late potentials in patients with ventricular tachychardia - initial successful clinical experience with the new technology of CLEMA (Dept. of Biomedical Engineering, Medical Academy) . Fourth National Congress of Cardiology. Plovdiv, Bulgaria, June 4-5, 1992. In Abstracts - p.28, Abstract 62. ( in Bulgarian language).

131. Gramatikov, B. Methods of generating and testing digital filters for biological signals (in Bulgarian language). Fourth national scientific session Automation in biotechnological processes and biomedical research, Sofia, 17-19 Sept. 1991; in Proceedings, pp. 210-217.

132. Gramatikov, B. I., Lolov, V. R. Hardware support of an ECG diagnostic system based on a 16-bit personal computer. (in English) Fifth National Conference on Biomedical Physics and Engineering with International participation Sofia, 14-16 October 1988. In conference Abstracts, pp.11-12.

133. Lolov, V.R., Gramatikov, B. I., Daskalov, I. K. A computer system for real-time processing of multiple-lead exercise ECG. (in English) Fifth National Conference on Biomedical Physics and Engineering with International participation. Sofia, 14-16 October 1988. In conference Abstracts, pp.13-14.

134. Gramatikov,B., Lolov,V. Acquisition and Processing of ECG signals using a personal computer (in Bulgarian language). Third National Congress of Cardiology. Sofia, 23-25 Oct. 1987; In Abstracts, Abstr. No. 9.

135. Gramatikov, B., Zywietz, Ch. A method for computer aided detection of WPW Syndrome in conventional 12 Lead Electrocardiograms (in Bulgarian and German). A report of a 4-months' stay at the Medical University, Hannover - funded by the German Academic Exchange Service (DAAD). Published in Bulgarian in the Monthly Scientific Review of the Medical Academy, Sofia, May, 1987, pp.21-30.

136. Gramatikov, B. I. Isolated input sections of multichannel ECG amplifiers. Second Youth Conference on Biomedical Engineering with International Participation. Bulgaria, Varna, Oct., 1985. (in Bulgarian); In Abstracts: Abstr. No. 7, p 7.

137. Popov, K., Gramatikov, B. An electronic equipment for remote measurement and display of distances. (in Bulgarian language) Proceedings of the National Symposium on life-guarding. Sozopol, 1984. A Red-Cross publication, Sofia 1985, pp. 164-167.

138. Gramatikov, B. I. Microprocessor Hardware of a three-channel digital storage electrocardiograph 1231. (in Bulgarian language). Fourth National Conference on Biomedical Physics and Engineering with International Participation, Sofia, Nov., 1984. In Proceedings, pp. 52-54.

139. Christov, I., Dotsynsky, I., Lolov, V., Pundjev, V., Gramatikov, B. Automatic processing of nystagmograms by means of a microprocessor system. First Youth Scientific Conference on Biomedical Engineering with International Participation. Bulgaria, Varna, September, 1983. In conference Proceedings, pp. 19-22.

140. Gramatikov, B.I., Dotsynsky, I.A. Automatic gain conrtol of physiological signals in a microprocessor-based device. XVII Scientific Session dedicated to the National Radio Day. The Technical University, Sofia, May, 1982. (in Bulgarian) In conference Abstracts. Also filmed and available as micro-fiche at the Central Library for Science and Technology, Sofia.

141. Dotsynsky, I. A., Gramatikov, B. I., Christov, I., Pundjev,V. A random time-interval generator for phycho-physiological studies. XVII Scientific Session dedicated to the National Radio Day. The Technical University, Sofia, May, 1982. (in Bulgarian) In conference Abstracts. Also filmed and available as micro-fiche at the Central Library for Science and Technology, Sofia.

142. Gramatikov, B.I., Dotsynsky, I.A. Measuring the heart rate using a pocket calculator integrated circuit. (in Bulgarian language) Proceedings of the Youth Scientific-Technical Session at the Institute of Medical Engineering, Sofia, May, 1980. In Proceedings, pp. 63-74.

Invited review articles in the magazine "Medical technology", ISSN 0324-1440 (in Bulgarian language)

143. Gramatikov, B. Continuous monitoring of heart rate by means of ECG recording on magnetic tape with the aim of detecting and studying arrhythmias (Holter monitoring). Medical Technology (in Bulgarian language), Vol.13, 1989, No.3, pp. 21-33.

144. Gramatikov, B. Automated infusion pumps for continuous insulin infusion in diabetic patients. Medical Technology (in Bulgarian language), Vol.15, 1989, No.3, pp. 3-17.

145. Gramatikov, B. Comparative clinical studies on the precision of conventional and electronic devices for ambulatory blood pressure measurement. Medical Technology (in Bulgarian language), Vol.15, 1982, No.3, pp. 17-23.

146. Gramatikov, B. Electronic devices in the fight against diabetes. Medical Technology (in Bulgarian language), Vol.15, 1982, No.4, pp. 24-38.

147. Gramatikov, B. State of the art and problems of the implantable cardiac pacemaker technology in Germany. Medical Technology (in Bulgarian language), Vol.12, 1979, No.4, pp. 3-13.

Ph.D. Thesis: Electronic Devices for Automated Processing of Phonocardiographic Signals. Technical University of Sofia, 1983, UDK 616-7. Central Library of Science and Technology - Sofia, Ref. No. DS 3168.

CITATIONS* as of May 19, 2023:

Source	Works cited	Citations total	h-index	i10 index
Google Scholar Citations	68	1067	17	27

* The above citations do not include a) citations before 1993; b) citations in Bulgarian journals, books and dissertations, or c) citations in German dissertations.

This page was last updated in May 2023