Zobrazeno 1 - 10
of 203
pro vyhledávání: '"Grigory V. Gelikonov"'
Autor:
Anton A. Plekhanov, Gennady O. Grechkanev, Elena A. Avetisyan, Maria M. Loginova, Elena B. Kiseleva, Anastasia A. Shepeleva, Alexander A. Moiseev, Alexander A. Sovetsky, Ekaterina V. Gubarkova, Anastasia A. Anina, Angelina M. Shutova, Sergey V. Gamayunov, Grigory V. Gelikonov, Vladimir Y. Zaitsev, Marina A. Sirotkina, Natalia D. Gladkova
Publikováno v:
Diagnostics, Vol 14, Iss 19, p 2131 (2024)
Objectives: The most important phase in the endometrial pathologies diagnostics is the histological examination of tissue biopsies obtained under visual hysteroscopic control. However, the unclear visual diagnostics characteristics of subtle focal en
Externí odkaz:
https://doaj.org/article/7d9fcb9111e849a5ab4c367d2c7435cc
Publikováno v:
Sensors, Vol 24, Iss 9, p 2931 (2024)
For the most popular method of scan formation in Optical Coherence Tomography (OCT) based on plane-parallel scanning of the illuminating beam, we present a compact but rigorous K-space description in which the spectral representation is used to descr
Externí odkaz:
https://doaj.org/article/137d60efe6774183875e9a29585eb2f0
Autor:
Ksenia A. Achkasova, Alexander A. Moiseev, Konstantin S. Yashin, Elena B. Kiseleva, Evgenia L. Bederina, Maria M. Loginova, Igor A. Medyanik, Grigory V. Gelikonov, Elena V. Zagaynova, Natalia D. Gladkova
Publikováno v:
Frontiers in Oncology, Vol 13 (2023)
IntroductionTo improve the quality of brain tumor resections, it is important to differentiate zones with myelinated fibers destruction from tumor tissue and normal white matter. Optical coherence tomography (OCT) is a promising tool for brain tissue
Externí odkaz:
https://doaj.org/article/5050e54feed8482f99dadad8b0b8ea54
Publikováno v:
Photonics, Vol 10, Iss 7, p 736 (2023)
A compact OCT device and a method for image reconstruction are described. The proposed algorithm contains a novel procedure for motion artifact suppression based on a correction of the phase of the original interferometric signal due to the mutual co
Externí odkaz:
https://doaj.org/article/f3798570acd24166b22ab4f812497014
Autor:
Elena B. Kiseleva, Alexander A. Moiseev, Anton S. Kuyarov, Muhammat A. Molvi, Grigory V. Gelikonov, Anna V. Maslennikova, Olga S. Streltsova
Publikováno v:
Journal of Innovative Optical Health Sciences, Vol 13, Iss 6, Pp 2050024-1-2050024-16 (2020)
The paper presents the results of a study of the female urethra in cases of urethral pain syndrome (UPS) and inflammatory diseases of the lower urinary tract using cross-polarization optical coherence tomography (CP OCT). Urethral wall structure was
Externí odkaz:
https://doaj.org/article/c1278e9fff3940deaa1873a5acaa4de6
Autor:
Vladimir Y. Zaitsev, Sergey Y. Ksenofontov, Alexander A. Sovetsky, Alexander L. Matveyev, Lev A. Matveev, Alexey A. Zykov, Grigory V. Gelikonov
Publikováno v:
Photonics, Vol 8, Iss 12, p 527 (2021)
We present a real-time realization of OCT-based elastographic mapping local strains and distribution of the Young’s modulus in biological tissues, which is in high demand for biomedical usage. The described variant exploits the principle of Compres
Externí odkaz:
https://doaj.org/article/5d5996ce66f441c69366192845d72e9d
Autor:
Evgeny P. Sherstnev, Pavel A. Shilyagin, Dmitry A. Terpelov, Valentin M. Gelikonov, Grigory V. Gelikonov
Publikováno v:
Photonics, Vol 8, Iss 12, p 534 (2021)
We present an improved analytical model of a spectrometer for optical coherence tomography (OCT), which more accurately describes the OCT in-depth sensitivity fall-off. The model considers the intrinsic spectral resolution of the dispersive element a
Externí odkaz:
https://doaj.org/article/d0c15f8e7dc04f4f81f0332687a6f59e
Autor:
Konstantin S. Yashin, Elena B. Kiseleva, Ekaterina V. Gubarkova, Alexander A. Moiseev, Sergey S. Kuznetsov, Pavel A. Shilyagin, Grigory V. Gelikonov, Igor A. Medyanik, Leonid Ya. Kravets, Alexander A. Potapov, Elena V. Zagaynova, Natalia D. Gladkova
Publikováno v:
Frontiers in Oncology, Vol 9 (2019)
This paper considers valuable visual assessment criteria for distinguishing between tumorous and non-tumorous tissues, intraoperatively, using cross-polarization OCT (CP OCT)—OCT with a functional extension, that enables detection of the polarizati
Externí odkaz:
https://doaj.org/article/221527abf1604b148e83537cb32db352
Autor:
Vladimir Y. Zaitsev, Alexandr L. Matveyev, Lev A. Matveev, Ekaterina V. Gubarkova, Alexandr A. Sovetsky, Marina A. Sirotkina, Grigory V. Gelikonov, Elena V. Zagaynova, Natalia D. Gladkova, Alex Vitkin
Publikováno v:
Journal of Innovative Optical Health Sciences, Vol 10, Iss 6, Pp 1742006-1-1742006-13 (2017)
In this paper, we point out some practical obstacles arising in realization of compressional optical coherence elastography (OCE) that have not attracted sufficient attention previously. Specifically, we discuss (i) complications in quantification of
Externí odkaz:
https://doaj.org/article/66543ae4018f437080bf1d2ab620830f
Autor:
Maksim G Ryabkov, Marina A. Sirotkina, Mikhail S. Baleev, Mikhail A. Sizov, Grigory V. Gelikonov, Alexander A. Moiseev, Natalya D. Gladkova, Elena B. Kiseleva
Publikováno v:
Kazan medical journal. 103:445-454
Background. Objective data on the state of intramural microvessels are needed to select an effective therapy for the intestine reversibly damaged by mesenteric occlusion. Aim. To monitor the condition of the small intestine blood vessels in acute mes