Results 1 to 10 of about 569,436 (120)

Association of umbilical cord insulin-like growth factor 1 levels with severe retinopathy in extremely preterm infants

Pediatrics and Neonatology, 2023
Background: The association between umbilical cord blood insulin-like growth factor 1 (IGF-1) levels and retinopathy of prematurity (ROP) remains unclear.
Nobuhiko Nagano, Daichi Katayama, Koichiro Hara, Takuya Akimoto, Takayuki Imaizumi, Ayako Seimiya, Ryoji Aoki, Midori Hijikata, Kazumasa Fuwa, Aya Okahashi, Ichiro Morioka   +10 more
doaj   +1 more source

The first experience of transscleral laser thermotherapy of retinoblastoma

Офтальмохирургия, 2023
Purpose. To evaluate the efficacy of transscleral thermotherapy (TSTT) in eight patients with retinoblastoma (Rb). Material and methods. In total, 8 patients (9 eyes, 22 tumors) with Rb were treated by TSTT.
A.A. Yarovoy, D.P. Volodin, R.A. Loginov
doaj   +1 more source

Posterior to the ridge laser in zone 2 stage 3 retinopathy of prematurity with plus disease: Efficacy and safety

Indian Journal of Ophthalmology, 2023
Purpose: This study aimed to ascertain the efficacy and safety of an additional posterior to the ridge laser for treatable zone 2 stage 3 retinopathy of prematurity (ROP).
Gaurav Sanghi, Rajeev Gupta, Sunny Narula   +2 more
doaj   +1 more source

The role of laser technologies in coloproctology

Амбулаторная хирургия, 2023
Laser (Light Amplification by the Stimulated Emission of Radiation) is a technical device that emits electromagnetic radiation focused in the form of a beam in the range from infrared to ultraviolet, with high energy and biological effect.
N. R. Torchua, M. V. Abritsova, A. V. Matinyan   +2 more
doaj   +1 more source

Surface Laser Treatment of Cast Irons: A Review

Metals, 2022
Heat treatments are frequently used to modify the microstructure and mechanical properties of materials according to the requirements of their applications.
Néstor Catalán, Esteban Ramos-Moore, Adrian Boccardo, Diego Celentano   +3 more
doaj   +1 more source

Engineered Cu-PEN Composites at the Nanoscale: Preparation and Characterisation

Nanomaterials, 2022
As polymeric materials are already used in many industries, the range of their applications is constantly expanding. Therefore, their preparation procedures and the resulting properties require considerable attention.
Jana Pryjmaková, Mariia Hryhoruk, Martin Veselý, Petr Slepička, Václav Švorčík, Jakub Siegel   +5 more
doaj   +1 more source

Progress of laser surface treatment on magnesium alloy

Frontiers in Chemistry, 2022
Magnesium (Mg) metals have been widely used in various fields as one of the most promising lightweight structural materials. However, the low corrosion resistance and poor mechanical properties restrict its applications.
Shiliang Zhang, Jing Jiang, Xianrui Zou, Ning Liu, Hongshui Wang, Lei Yang, Huan Zhou, Chunyong Liang, Chunyong Liang   +8 more
doaj   +1 more source

Silibinin declines blue light-induced apoptosis and inflammation through MEK/ERK/CREB of retinal ganglion cells

Artificial Cells, Nanomedicine, and Biotechnology, 2019
Purpose This study aimed to assess the protective effects of silibinin on blue light-emitting diode (LED)-induced retinal ganglion cells (RGCs) damage.Methods Silibinin was applied in RGCs damage in vitro model to test its protective effects.
Ying Shen, Haixia Zhao, Zhaoge Wang, Wenying Guan, Xin Kang, Xue Tai, Yaru Sun   +6 more
doaj   +1 more source

Algorithm for the treatment of advanced proliferative diabetic retinopathy

Офтальмохирургия, 2023
Purpose. To develop an algorithm for the treatment of patients with advanced proliferative diabetic retinopathy with the determination of the stages of laser and surgical methods and evaluate its effectiveness. Material and methods.
A.V. Tereshchenko, I.G. Trifanenkova, Yu.A. Sidorova, E.V. Erokhina, N.M. Shilov, N.N. Yudina, O.M. Zhukova   +6 more
doaj   +1 more source

Features of Spot-Matrix Surface Hardening of Low-Carbon Steel Using Pulsed Laser [PDF]

Engineering and Technology Journal, 2007
In this work, results of spot hardening in low-carbon steel by using a pulsedNd:YAG laser are presented. These results include determination ofhardening depth, diameter of hardened spot, aspect ratio and heat-affectedzone width with varying laser energy ...
Khawla Khashan
doaj   +1 more source