Journal articles on the topic 'Biotissue'

To see the other types of publications on this topic, follow the link: Biotissue.

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Biotissue.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Yoshioka, Ryuji, Hiroshi Imamura, Hirofumi Ichida, Yu Gyoda, Tomoya Mizuno, Yoshihiro Mise, and Akio Saiura. "Simulation training in pancreatico-jejunostomy using an inanimate biotissue model improves the technical skills of hepatobiliary-pancreatic surgical fellows." PLOS ONE 16, no. 1 (January 13, 2021): e0244915. http://dx.doi.org/10.1371/journal.pone.0244915.

Full text
Abstract:
Background Technical proficiency of the operating surgeons is one of the most important factors in the safe performance of pancreaticoduodenectomy. The objective of the present study was to investigate whether surgical simulation of pancreatico-jejunostomy (PJ) using an inanimate biotissue model could improve the technical proficiency of hepato-biliary pancreatic (HBP) surgical fellows. Methods The biotissue drill consisted of sewing biotissues to simulate PJ. The drill was repeated a total of five times by each of the participant surgical fellows. The improvement of the surgical fellows’ technical proficiency was evaluated by the supervisor surgeons using the Objective Structured Assessment of Technical Skills (OSATS) scale. Results Eight HBP surgical fellows completed all the 5 drills. Both the OSATS 25 score and OSATS summary score, assessed by the two supervisor surgeons, improved steadily with repeated execution of the PJ drill. The average OSATS score, as assessed by both the supervisor surgeons, improved significantly from the first to the final drill, with a P value of 0.003 and 0.014 for the assessment by the two surgeons, respectively. On the other hand, no chronological alteration was observed in time of procedure (P = 0.788). Conclusion Repeated execution of a biotissue PJ drill improved the HBP surgical fellows’ technical proficiency, as evaluated by OSATS. The present study lends support to the evidence that simulation training can contribute to shortening of the time required to negotiate the learning curve for the technique of PJ in the actual operating room.
APA, Harvard, Vancouver, ISO, and other styles
2

Abramovich, N. D., and S. K. Dick. "DEPENDENCE OF THE SPECKLE-PATTERNS SIZE AND THEIR CONTRAST ON THE BIOPHYSICAL AND STRUCTURAL PARAMETERS OF BIOLOGICAL TISSUES." Devices and Methods of Measurements 8, no. 2 (June 9, 2017): 177–87. http://dx.doi.org/10.21122/2220-9506-2017-8-2-177-187.

Full text
Abstract:
Speckle fields are widely used in optical diagnostics of biotissues and evaluation of the functional state of bioobjects. The speckle field is formed by laser radiation scattered from the object under study. It bears information about the average dimensions of the scatterers, the degree of surface roughness makes it possible to judge the structural and biophysical characteristics of individual tissue cells (particles), on the one hand, and the integral optical characteristics of the entire biological tissue. The aim of the study was – the determination of connections between the biophysical and structural characteristics of the biotissue and the light fields inside the biotissues.The model developed of the medium gives a direct relationship between the optical and biophysical parameters of the biotissue. Calculations were carried out using known solutions of the radiation transfer equation, taking into account the multilayer structure of the tissue, multiple scattering in the medium, and multiple reflection of irradiation between the layers.With the increase wavelength, the size of speckles formed by the non-scattered component (direct light) of laser radiation increases by a factor of 2 from 400 to 800 μm in the stratum corneum and 5 times from 0.6 to 3 μm for the epidermis and from 0.27 to 1.4 μm to the dermis. Typical values of sizes of speckles formed by the diffraction component of laser radiation for the stratum corneum and epidermis range from 0.02 to 0.15 μm. For the dermis typical spot sizes are up to 0.03 μm. The speckle-spot size of the diffusion component in the dermis can vary from ±10 % at 400 nm and up to ±23 % for 800 nm when the volume concentration of blood capillaries changes. Characteristic dependencies are obtained and biophysical factors associated with the volume concentration of blood and the degree of it’s oxygenation that affect the contrast of the speckle structure in the dermis are discussed.The of speckles׳ size in the layers of tissue varies from a share of micrometer to millimeter. The established dependence makes it possible to determine the depth of penetration of light into the biotissue based on the dimensions of speckles. Calculation of the contrast of the speckle structure of scattered light in visible spectral range at different depths in the biotissue made it possible to establish the dependence of the contrast value of the interference pattern on the degree of oxygenation of the blood and the volume concentration of capillaries in the dermis.
APA, Harvard, Vancouver, ISO, and other styles
3

KUBO, Uichi. "Laser Energy and Biotissue." JOURNAL OF JAPAN SOCIETY FOR LASER SURGERY AND MEDICINE 11, Supplement (1990): 5–8. http://dx.doi.org/10.2530/jslsm1980.11.supplement_5.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Ivashko, P. V. "Modeling of light scattering in biotissue." Semiconductor Physics Quantum Electronics and Optoelectronics 17, no. 2 (June 30, 2014): 149–54. http://dx.doi.org/10.15407/spqeo17.02.149.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

ATSUMI, Masahiro, Takayasu MOCHIZUKI, and Uichi KUBO. "Er:YAG Laser and Biotissue Interactions." JOURNAL OF JAPAN SOCIETY FOR LASER SURGERY AND MEDICINE 9, no. 3 (1988): 411–14. http://dx.doi.org/10.2530/jslsm1980.9.3_411.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Vinarov, A. Z., A. M. Dymov, N. I. Sorokin, V. P. Minaev, and V. Yu Lekarev. "LASER HYDRODYNAMIC BIOTISSUE DISSECTION IN OPERATIVE UROLOGY." Andrology and Genital Surgery 19, no. 2 (August 14, 2018): 21–30. http://dx.doi.org/10.17650/2070-9781-2018-19-2-21-30.

Full text
Abstract:
There are considered characteristics of the laser medical devices working at the wavelengths 1.94; 2.01 and 2.1 µm, which are used in urology for surgical operations. It is shown that unlike action in the air environment, section of the biotissue in the water environment (physiological solution) is performed by the steam-gas stream which is formed as a result of superintensive boiling in thin (about 0.1 mm) a liquid layer in which absorbed laser radiation. Coagulation of the biotissue, adjacent to a section, happens due to heat which is produced via vapor condensation.
APA, Harvard, Vancouver, ISO, and other styles
7

Jütte, Lennart, Gaurav Sharma, Dierk Fricke, Maximilian Franke, Merve Wollweber, and Bernhard Roth. "Mueller Matrix-Based Approach for the Ex Vivo Detection of Riboflavin-Treated Transparent Biotissue." Applied Sciences 11, no. 23 (December 5, 2021): 11515. http://dx.doi.org/10.3390/app112311515.

Full text
Abstract:
Corneal collagen cross-linking is an established procedure for the treatment of certain eye diseases which is applied to enhance the mechanical stability of such biotissue without deteriorating its functionality. However, being transparent, the optical analysis of the outcome of such treatments is cumbersome and relies on relatively expensive experimental equipment. We aim to apply the Mueller matrix polarimetry for the detection of photo-induced collagen cross-linking in transparent biotissue after treatment with riboflavin and UV irradiation. A simple Mueller matrix polarimetry setup could provide a fast and non-invasive analysis of transparent media to sensitively detect small photo-induced cross-linking effects in biotissue. We demonstrated the current capabilities of the approach on non-planar porcine cornea samples ex vivo. We reported the distinction between untreated and riboflavin-treated samples. The differences observed were correlated with the variation of certain Mueller matrix elements and parameters derived from the decomposition. The measurement data show variation in the cross-linked and non-cross-linked samples, although the effect of the UV treatment on the riboflavin-treated samples was not at the same level of significance yet and needs further investigation. The Mueller matrix measurement represents a promising approach for the detection of the effects of corneal collagen cross-linking. Further studies with a larger sample number are required to validate this approach. In the future, this could enable the reliable and non-invasive detection of photo-induced effects in biotissue and open the possibility for in vivo application, e.g., in eye disease treatment or the detection of scar collagen development.
APA, Harvard, Vancouver, ISO, and other styles
8

Zhang, Yu Cheng. "Preparation of Bio Tissue Micro Array Based on NC Positioning and Image Processing Technology." Advanced Materials Research 299-300 (July 2011): 1128–31. http://dx.doi.org/10.4028/www.scientific.net/amr.299-300.1128.

Full text
Abstract:
Against the problem on poor quality and inefficiency in the preparation of bio tissue micro array by hand, the one processing system of biotissue micro-array was developed. The application of NC image identification technology was made to carry out auto punching, auto-positioning- embedding, and auto-extracting, etc. The auto preparation of biotissue micro array was completed. The adoption of the minimum squares fitting was aimed at object’s primes to be fitted so as to obtain special-feature parameters to finish accurate position and auto rectification of deviation visual view range in micro-hole image. There by, visual deviation operated by hand was avoided and highlighted the processed accuracy.
APA, Harvard, Vancouver, ISO, and other styles
9

KUBO, Uichi. "Interaction between Pulse Laser and Biotissue." JOURNAL OF JAPAN SOCIETY FOR LASER SURGERY AND MEDICINE 8, no. 3 (1987): 101–2. http://dx.doi.org/10.2530/jslsm1980.8.3_101.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Ryabukho, Vladimir P. "Speckle interferometry for biotissue vibration measurement." Optical Engineering 33, no. 3 (March 1, 1994): 908. http://dx.doi.org/10.1117/12.157694.

Full text
APA, Harvard, Vancouver, ISO, and other styles
11

Miyasaka, Chiaki, and Bernhard Tittmann. "Surface acoustic wave velocity in thin biotissue." Journal of the Acoustical Society of America 108, no. 5 (November 2000): 2549. http://dx.doi.org/10.1121/1.4743455.

Full text
APA, Harvard, Vancouver, ISO, and other styles
12

Khasanova, N. K., and F. S. Amirova. "New method of the surgical treatment of persistent postcontusion hypotony." Kazan medical journal 76, no. 6 (November 15, 1995): 450–52. http://dx.doi.org/10.17816/kazmj90451.

Full text
Abstract:
The efficacy of the new operation the supraciliary slit blocade by means of biotissue in persistent postconlusion hypotony developed by Z. I. Kobzeva, professor, is analyzed. The reasonably high efficacy, realization ease of the operation allow to recommend it for the wide clinical use.
APA, Harvard, Vancouver, ISO, and other styles
13

KUBO, Uichi. "Comparison of Biotissue Cutting by KrF, XeCl Lasers." JOURNAL OF JAPAN SOCIETY FOR LASER SURGERY AND MEDICINE 9, no. 3 (1988): 403–6. http://dx.doi.org/10.2530/jslsm1980.9.3_403.

Full text
APA, Harvard, Vancouver, ISO, and other styles
14

Abbas, Amr I. Al, and Melissa E. Hogg. "Robotic biotissue curriculum for teaching the robotic pancreatoduodenectomy." Annals of Pancreatic Cancer 1 (February 1, 2018): 9. http://dx.doi.org/10.21037/apc.2018.01.06.

Full text
APA, Harvard, Vancouver, ISO, and other styles
15

WATASHIRO, Mineo, Masahiro ATSUMI, Takayasu MOCHIZUKI, and Uichi KUBO. "Incision of Biotissue by Er: YAG and CO2 Lasers." JOURNAL OF JAPAN SOCIETY FOR LASER SURGERY AND MEDICINE 10, no. 3 (1989): 467–70. http://dx.doi.org/10.2530/jslsm1980.10.3_467.

Full text
APA, Harvard, Vancouver, ISO, and other styles
16

Kishida, Katsuhiko, and Uichi Kubo. "Thermal Effect of Excimer Laser Blade on Hard Biotissue." JOURNAL OF JAPAN SOCIETY FOR LASER SURGERY AND MEDICINE 11, Supplement (1990): 637–40. http://dx.doi.org/10.2530/jslsm1980.11.supplement_637.

Full text
APA, Harvard, Vancouver, ISO, and other styles
17

Zhang Xianzeng, 张先增, 谢树森 Xie Shusen, 詹振林 Zhan Zhenlin, and 叶青 Ye Qing. "Advances in Hard Biotissue Ablation with Pulsed Infrared Lasers." Laser & Optoelectronics Progress 46, no. 12 (2009): 72–79. http://dx.doi.org/10.3788/lop20094612.0072.

Full text
APA, Harvard, Vancouver, ISO, and other styles
18

Shul’man, Z. P., G. Ya Slepyan, T. L. Popkova, and A. A. Makhanyok. "Hyperthermia of cylindrical biotissue samples by microwave electromagnetic radiation." Journal of Engineering Physics and Thermophysics 71, no. 2 (March 1998): 269–74. http://dx.doi.org/10.1007/bf02681546.

Full text
APA, Harvard, Vancouver, ISO, and other styles
19

Kholodtsova, Maria N., Pavel V. Grachev, Tatiana A. Savelieva, Nina A. Kalyagina, Walter Blondel, and Viktor B. Loschenov. "Scattered and Fluorescent Photon Track Reconstruction in a Biological Tissue." International Journal of Photoenergy 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/517510.

Full text
Abstract:
Appropriate analysis of biological tissue deep regions is important for tumor targeting. This paper is concentrated on photons’ paths analysis in such biotissue as brain, because optical probing depth of fluorescent and excitation radiation differs. A method for photon track reconstruction was developed. Images were captured focusing on the transparent wall close and parallel to the source fibres, placed in brain tissue phantoms. The images were processed to reconstruct the photons most probable paths between two fibres. Results were compared with Monte Carlo simulations and diffusion approximation of the radiative transfer equation. It was shown that the excitation radiation optical probing depth is twice more than for the fluorescent photons. The way of fluorescent radiation spreading was discussed. Because of fluorescent and excitation radiation spreads in different ways, and the effective anisotropy factor,geff, was proposed for fluorescent radiation. For the brain tissue phantoms it were found to be0.62±0.05and0.66±0.05for the irradiation wavelengths 532 nm and 632.8 nm, respectively. These calculations give more accurate information about the tumor location in biotissue. Reconstruction of photon paths allows fluorescent and excitation probing depths determination. Thegeffcan be used as simplified parameter for calculations of fluorescence probing depth.
APA, Harvard, Vancouver, ISO, and other styles
20

Trubin, P. K., and A. A. Murashov. "Detection of fake biotissue by polarimetric method using Mueller matrices." Journal of Physics: Conference Series 1326 (October 2019): 012019. http://dx.doi.org/10.1088/1742-6596/1326/1/012019.

Full text
APA, Harvard, Vancouver, ISO, and other styles
21

Goto, Masahiro, Nobuyuki Ichinose, Shunichi Kawanishi, and Hiroshi Fukumura. "Implantation of Organic Molecules into Biotissue by Pulsed Laser Irradiation." Japanese Journal of Applied Physics 38, Part 2, No. 1A/B (January 15, 1999): L87—L88. http://dx.doi.org/10.1143/jjap.38.l87.

Full text
APA, Harvard, Vancouver, ISO, and other styles
22

Li, Hui, Zu-kang Lu, Lei Lin, and Shu-sen Xie. "Light Scattering Properties of Biotissue Versus Equivalent Particle Size Distribution." Chinese Physics Letters 16, no. 4 (April 1, 1999): 290–92. http://dx.doi.org/10.1088/0256-307x/16/4/022.

Full text
APA, Harvard, Vancouver, ISO, and other styles
23

Zohdi, T. I., and R. Krone. "Estimates for the acoustical stimulation and heating of multiphase biotissue." Biomechanics and Modeling in Mechanobiology 17, no. 3 (November 22, 2017): 717–25. http://dx.doi.org/10.1007/s10237-017-0988-1.

Full text
APA, Harvard, Vancouver, ISO, and other styles
24

Pushkarev, A. V., and N. A. Andreev. "Study of low-temperature exposure on biotissue using an elongated cryoapplicator." Journal of Physics: Conference Series 2103, no. 1 (November 1, 2021): 012049. http://dx.doi.org/10.1088/1742-6596/2103/1/012049.

Full text
Abstract:
Abstract The article presents the results of a study of low-temperature exposure on animal biological tissue using the novel prototype of a liquid nitrogen cryoapplicator. The data obtained are compared with the cryoapplicator characteristics cooled by nitrogen dioxide that are currently used for the atrial fibrillation treatment. Data analysis confirmed the liquid nitrogen cryoapplicators effectiveness and made it possible to highlight their advantages.
APA, Harvard, Vancouver, ISO, and other styles
25

Cho, B., and Richard Stroshine. "Improvement of Bonding Performance for Biotissue using Marine Mussel Extract Adhesive." Journal of Biosystems Engineering 32, no. 2 (April 25, 2007): 115–20. http://dx.doi.org/10.5307/jbe.2007.32.2.115.

Full text
APA, Harvard, Vancouver, ISO, and other styles
26

Angelsky, O. V., A. G. Ushenko, D. N. Burkovets, and Yu A. Ushenko. "Polarization visualization and selection of biotissue image two-layer scattering medium." Journal of Biomedical Optics 10, no. 1 (2005): 014010. http://dx.doi.org/10.1117/1.1854674.

Full text
APA, Harvard, Vancouver, ISO, and other styles
27

Pominova, D. V., A. V. Ryabova, K. G. Linkov, I. D. Romanishkin, S. V. Kuznetsov, J. A. Rozhnova, V. I. Konov, and V. B. Loschenov. "Pulsed periodic laser excitation of upconversion luminescence for deep biotissue visualization." Laser Physics 26, no. 8 (June 13, 2016): 084001. http://dx.doi.org/10.1088/1054-660x/26/8/084001.

Full text
APA, Harvard, Vancouver, ISO, and other styles
28

Barun, V. V., A. P. Ivanov, A. N. Bashkatov, E. A. Genina, and V. V. Tuchin. "Modeling of optimal conditions for oxyhemoglobin photodissociation in laser-irradiated biotissue." Optics and Spectroscopy 115, no. 2 (August 2013): 201–6. http://dx.doi.org/10.1134/s0030400x13080043.

Full text
APA, Harvard, Vancouver, ISO, and other styles
29

Minaev, V. P., N. V. Minaev, V. I. Yusupov, A. M. Dymov, N. I. Sorokin, V. Yu Lekarev, A. Z. Vinarov, and L. M. Rapoport. "Effect of laser-induced hydrodynamic dissection of biotissue in operative urology." Quantum Electronics 49, no. 4 (April 16, 2019): 404–8. http://dx.doi.org/10.1070/qel16809.

Full text
APA, Harvard, Vancouver, ISO, and other styles
30

Su, YL, KT Chen, CJ Chang, and K. Ting. "Experiment and simulation of biotissue surface thermal damage during laser surgery." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 231, no. 3 (November 30, 2015): 581–89. http://dx.doi.org/10.1177/0954408915616933.

Full text
Abstract:
In medical cosmetology, laser energy must be properly controlled to avoid unnecessary thermal damage of normal tissue due to excessive irradiation. When a laser source is applied to a specific target that is very close to the surface tissue, residual heat can damage the surface tissue even after the laser treatment is halted. This study aims to determine the proper conditions for the laser treatment and the prediction of the thermal damage of surface tissue after the laser is applied. An 810 nm diode laser was used to irradiate porcine liver and the surface temperature was measured using infrared thermography for different laser application processes. The Pennes bioheat transfer equation was solved using the ANSYS software package to simulate the surface temperature and thermal damage zone in laser surgery. The double ellipsoid function represented the laser source term in the heat transfer simulation. The results of the simulation were compared with the experimental data. Finally, a transient analysis of the estimations of thermal damage after laser surgery was conducted for different conditions of power, laser irradiation time, and laser depth under the surface of the porcine liver.
APA, Harvard, Vancouver, ISO, and other styles
31

Lalayan, A. A. "Nonlinear-optical diagnostics for laser ablation and photo-heating of biotissue." Applied Surface Science 248, no. 1-4 (July 2005): 24–27. http://dx.doi.org/10.1016/j.apsusc.2005.03.027.

Full text
APA, Harvard, Vancouver, ISO, and other styles
32

Voronov, V. S., A. D. Dorogin, V. I. Kucheryuk, and A. N. Chistikin. "Method of speckle homography in determining certain mechanical properties of biotissue." Mechanics of Composite Materials 21, no. 3 (1985): 361–65. http://dx.doi.org/10.1007/bf00611624.

Full text
APA, Harvard, Vancouver, ISO, and other styles
33

Tereshchenko, Sergey Grigoryevich, Alexander Vyacheslavovich Plotkin, Lyudmila V. Mecheva, and Yuri Ivanovich Zakharov. "Application of hemostatic agent «hemobloc» to improve conditions for endoscopic hemostasis." Hirurg (Surgeon), no. 5-6 (March 1, 2021): 5–10. http://dx.doi.org/10.33920/med-15-2103-01.

Full text
Abstract:
Local hemostatic agent Haemoblock was used for improvement of the visualization of the source of gastroduodenal bleeding. Intraorgan application of Haemoblock allows endoscopists to identify significant features of biotissue defects and to optimize further actions to achieve reliable hemostasis and to prevent secondary bleeding. Clinical study of the diagnosis and treatment of 84 patients with gastroduodenal bleeding was presented. Preliminary usage of Haemoblock allows to identify the source of bleeding in 98 % cases, to improve intra organ interventions for getting reliable hemostasis and to prevent secondary bleeding in specified localizations.
APA, Harvard, Vancouver, ISO, and other styles
34

ZHU, WEIPING, FANGBAO TIAN, and PENG RAN. "ANALYTICAL SOLUTIONS OF NON-FOURIER PENNES AND CHEN–HOLMES EQUATIONS." International Journal of Biomathematics 05, no. 04 (May 16, 2012): 1250022. http://dx.doi.org/10.1142/s1793524511001647.

Full text
Abstract:
The analytical solutions of non-Fourier Pennes and Chen–Holmes equations are obtained using the Laplace transformation and particular solution method in the present paper. As an application, the effects of the thermal relaxation time τ, the blood perfusion wb, and the blood flow velocity v on the biological skin and inner tissue temperature T are studied in detail. The results obtained in this study provide a good alternative method to study the bio-heat and a biophysical insight into the understanding of the heat transfer in the biotissue.
APA, Harvard, Vancouver, ISO, and other styles
35

Li, Yafeng, Zhangheng Ding, Lei Deng, Guoqing Fan, Qi Zhang, Hui Gong, Anan Li, Jing Yuan, and Jianwei Chen. "Precision vibratome for high-speed ultrathin biotissue cutting and organ-wide imaging." iScience 24, no. 9 (September 2021): 103016. http://dx.doi.org/10.1016/j.isci.2021.103016.

Full text
APA, Harvard, Vancouver, ISO, and other styles
36

Kuznetsova, Daria S., Maria M. Karabut, Vadim V. Elagin, Maria A. Shakhova, Vladimir I. Bredikhin, Olga S. Baskina, Ludmila B. Snopova, Andrey V. Shakhov, and Vladislav A. Kamensky. "Comparative Analysis of Biotissue Laser Resection Using Strongly Absorbing Optical Fiber Tips." Optics and Photonics Journal 05, no. 01 (2015): 1–5. http://dx.doi.org/10.4236/opj.2015.51001.

Full text
APA, Harvard, Vancouver, ISO, and other styles
37

Banks, H. T., and Gabriella A. Pinter. "A Probabilistic Multiscale Approach to Hysteresis in Shear Wave Propagation in Biotissue." Multiscale Modeling & Simulation 3, no. 2 (January 2005): 395–412. http://dx.doi.org/10.1137/040603693.

Full text
APA, Harvard, Vancouver, ISO, and other styles
38

Li, Hui, and Shusen Xie. "Measurement method of the refractive index of biotissue by total internal reflection." Applied Optics 35, no. 10 (April 1, 1996): 1793. http://dx.doi.org/10.1364/ao.35.001793.

Full text
APA, Harvard, Vancouver, ISO, and other styles
39

Liakhov, E., O. Smolyanskaya, A. Popov, E. Odlyanitskiy, N. Balbekin, and M. Khodzitsky. "Fabrication and characterization of biotissue-mimicking phantoms in the THz frequency range." Journal of Physics: Conference Series 735 (August 2016): 012080. http://dx.doi.org/10.1088/1742-6596/735/1/012080.

Full text
APA, Harvard, Vancouver, ISO, and other styles
40

Generalova, Alla, Kristina Mironova, Natalya Sholina, Vasylina Rocheva, Andrey Nechaev, Ekaterina Grebenik, Anna Guller, et al. "Upconversion nanoparticles: on the way from diagnostics to theranostics." EPJ Web of Conferences 190 (2018): 03001. http://dx.doi.org/10.1051/epjconf/201819003001.

Full text
Abstract:
We report of surface modification approaches of nanoparticles with anti-Stokes luminescence, known as upconversion nanoparicles (UCNPs), comprised of inorganic host NaYF4 codoped with Yb3+ and Er3+or Tm3+. These approaches enabled the facile, lossless preparation of hybrid polymer-encapsulated UCNPs suitable for bioassays. These probes inherited UCNP properties, such as excellent photoluminescence under excitation with NIR light from the biotissue “transparency window”, as well as they were dispersible in aqueous media and physiological buffers, exhibiting chemical stability. The feasibility of the hybrid UCNPs was demonstrated for in vitro bioassay and in vivo optical whole animal imaging using a home-built epiluminescence imaging system.
APA, Harvard, Vancouver, ISO, and other styles
41

Meerovich, G. A., E. V. Akhlyustina, T. A. Savelieva, K. G. Linkov, and V. B. Loschenov. "Optical spectroanalyzer with extended dynamic range for pharmacokinetic investigations of photosensitizers in biotissue." Biomedical Photonics 8, no. 1 (March 31, 2019): 46–51. http://dx.doi.org/10.24931/2413-9432-2019-8-1-46-51.

Full text
Abstract:
Currently, the most promising method for the study of pharmacokinetics of drugs with fluorescent properties is the spectral-fluorescent method. In this article, we propose an algorithm for expanding the dynamic range of the spectrum analyzer by automatically monitoring the maximum spectral density in the recorded fluorescence spectrum and automatically controlled changes in the accumulation time depending on this value, followed by compensation of the output signal with regard to this change, as well as hardware circuit solutions that allow this algorithm.Testing of LESA-01-"Biospeс" spectrum analyzer, upgraded using the proposed approach, was carried out on photosensitizer dispersions based on tetra-3-phenylthiophthalocyanine hydroxyaluminium of various concentrations (from 0.01 mg/l to 50 mg/l), approximately corresponding to the concentrations realized in the process of studying pharmacokinetics in calibration samples and tissues of experimental animals.The proposed solutions that implement the algorithm for recording fluorescence spectra with automatic change of accumulation time depending on the signal level, ensured a significant expansion of the dynamic range of the spectrum analyzer (up to 3.5 orders of magnitude) and improved accuracy in pharmacokinetic studies.
APA, Harvard, Vancouver, ISO, and other styles
42

MIYAMOTO, Reo, Zhongwei JIANG, and Minoru MORITA. "Fundemental research on stiffness measurement of biotissue using senser device for daVinci forceps." Proceedings of Mechanical Engineering Congress, Japan 2016 (2016): J1640104. http://dx.doi.org/10.1299/jsmemecj.2016.j1640104.

Full text
APA, Harvard, Vancouver, ISO, and other styles
43

Lalayan, A. A., and S. S. Israelyan. "Metal nanoparticles and IR laser applications in medicine for biotissue ablation and welding." Laser Physics 26, no. 5 (April 11, 2016): 055605. http://dx.doi.org/10.1088/1054-660x/26/5/055605.

Full text
APA, Harvard, Vancouver, ISO, and other styles
44

Deng, Zhichao, Jin Wang, Qing Ye, Tengqian Sun, Wenyuan Zhou, Jianchun Mei, Chunping Zhang, and Jianguo Tian. "Determination of continuous complex refractive index dispersion of biotissue based on internal reflection." Journal of Biomedical Optics 21, no. 1 (January 11, 2016): 015003. http://dx.doi.org/10.1117/1.jbo.21.1.015003.

Full text
APA, Harvard, Vancouver, ISO, and other styles
45

Shabanov, D. V., G. V. Geliknov, and V. M. Gelikonov. "Broadband digital holographic technique of optical coherence tomography for 3-dimensional biotissue visualization." Laser Physics Letters 6, no. 10 (October 2009): 753–58. http://dx.doi.org/10.1002/lapl.200910052.

Full text
APA, Harvard, Vancouver, ISO, and other styles
46

Chang, Chia-Yuan, Cheng-Han Lin, Chun-Yu Lin, Yong-Da Sie, Yvonne Yuling Hu, Sheng-Feng Tsai, and Shean-Jen Chen. "Temporal focusing-based widefield multiphoton microscopy with spatially modulated illumination for biotissue imaging." Journal of Biophotonics 11, no. 1 (May 2, 2017): e201600287. http://dx.doi.org/10.1002/jbio.201600287.

Full text
APA, Harvard, Vancouver, ISO, and other styles
47

Song, Xiaowei, Jiuming He, Xuechao Pang, Jin Zhang, Chenglong Sun, Luojiao Huang, Chao Li, et al. "Virtual Calibration Quantitative Mass Spectrometry Imaging for Accurately Mapping Analytes across Heterogenous Biotissue." Analytical Chemistry 91, no. 4 (January 14, 2019): 2838–46. http://dx.doi.org/10.1021/acs.analchem.8b04762.

Full text
APA, Harvard, Vancouver, ISO, and other styles
48

Esenaliev, Rinat O., Alexander A. Oraevsky, Vladilen S. Letokhov, Alexander A. Karabutov, and Taras V. Malinsky. "Studies of acoustical and shock waves in the pulsed laser ablation of biotissue." Lasers in Surgery and Medicine 13, no. 4 (1993): 470–84. http://dx.doi.org/10.1002/lsm.1900130412.

Full text
APA, Harvard, Vancouver, ISO, and other styles
49

Lobok, M. G., and V. Yu Bychenkov. "Using Relativistic Self-Trapping Regime of a High-Intensity Laser Pulse for High-Energy Electron Radiotherapy." Plasma Physics Reports 48, no. 6 (June 2022): 591–98. http://dx.doi.org/10.1134/s1063780x22600335.

Full text
Abstract:
Abstract— Full-3D particle-in-cell Monte Carlo simulation of a new scheme of electron radiotherapy based on electron acceleration by high-power femtosecond laser pulse propagating in plasma of sub-critical density in the relativistic self-trapping regime (V. Yu. Bychenkov et al., Plasma Phys. Control. Fusion 61, 124004 (2019)) was carried out. Based on the results of simulation of distribution of energy deposited by electron bunches accelerated in such high-efficiency regime, it is demonstrated that a laser facility of $$ \gtrsim {\kern 1pt} 100$$ TW class is capable of providing therapy of deep soft-tissue lesions in soft biotissue and this approach has a number of advantages relative to traditional methods of beam therapy.
APA, Harvard, Vancouver, ISO, and other styles
50

Butorina, Antonina V., Sergei B. Nesterov, and Nikolay A. Andreev. "Experimental study of cooling spray for physiotherapeutic treatment." Russian Journal of Physiotherapy, Balneology and Rehabilitation 19, no. 1 (October 23, 2020): 40–43. http://dx.doi.org/10.17816/1681-3456-2020-19-1-6.

Full text
Abstract:
For cooling damaged areas of biotissue in order to achieve a rapid analgesic effect, a procedure for applying a thin film to the skin, boiling at a temperature of T0 = 273238 K of a gas mixture, is widely used. This temperature is achieved when using a cooling spray. Experimental data on the temperature distribution on the cooled surface when throttling a propane/butane/R123 mixture from a nozzle with a diameter of 0.5 mm to the temperature level Т0 = 240; 263; 270 К, used for physiotherapy purposes, are presented. A comparison of the efficiency of cooling the skin using a cryopresponder and using ice was also made. It is shown that cooling with a cooling spray is more efficient.
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography