Results 1 to 10 of about 19,269 (245)

Pulmonary embolism by a foreign body (polymethyl methacrylate)

Вестник хирургии имени И.И. Грекова, 2020
A rare clinical case of material pulmonary embolism is described. After 2 month of reconstructive surgery on the spine, on the chest cavity organs X-ray picture spiral solid was revealed. Surgical intervention - removal of a foreign body of the pulmonary
G. G. Khubulava, M. A. Askerov, A. V. Krivenzov, S. V. Sadovoi, E. K. Gavrilov   +4 more
doaj   +3 more sources

In vitro evaluation of shear bond strength of polymethyl methacrylate/montmorillonite modified Biodentine with dental resin composite [PDF]

European Oral Research
Purpose: The aim of this study was to evaluate the bond strength between Biodentine, modified with polymethyl methacrylate/Montmorillonite nanoclay, and resin composite at different stages of Biodentine's setting time.Materials and Methods: Nanoclay was ...
Fagr Hassan Elmergawy, Ola M. Elborady, Dina M. Wahied   +2 more
doaj   +2 more sources

Effect of Reaction Temperature on Tacticity in Polymerization of Methyl Methacrylate: A Study by Nuclear Magnetic Resonance Spectroscopy [PDF]

علوم و تکنولوژی پلیمر, 2022
Hypothesis: In the synthesis of vinyl polymers, one of the important parameters that play a significant role in the physical-mechanical properties is the tacticity of monomers within the polymer chain.
Mohammadreza Jozaghkar, Farshid Ziaee, Amir Sepehrian Azar, shahram Mehdipour-Ataei   +3 more
doaj   +1 more source

Dalbavancin is thermally stable at clinically relevant temperatures against methicillin-sensitive Staphylococcus Aureus [PDF]

Journal of Bone and Joint Infection, 2023
Introduction: While the rate of orthopaedic infections has remained constant over the years, the burden on healthcare systems continues to rise with an aging population.
A. K. Hoyt, P. Lawler, M. Bostrom, M. Bostrom, A. V. Carli, A. V. Carli, A. E. Levack, A. E. Levack   +7 more
doaj   +1 more source

Depth-dose distribution in potatoes with low-energy X-rays

Tạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2022
Irradiation is known as a handful measure to inhibit potato sprouting, kill harmful bacteria, and increase preservation. The absorbed dose is one of the essential characteristics of the irradiation process. In this study, the depth-dose distributions in
Thi Nguyet Ha Nguyen, Kume Tamikazu, An Son Nguyen, Thi Minh Sang Nguyen, Thi Ngoc Ha Pham, Danh Hung Nguyen, Van Hai Cao, Quang Kien Nguyen, Huu Duc Nguyen, Thi Le Do   +9 more
doaj   +1 more source

PMMA – EGGSHELL COMPOSITE PREPARATION AND STUDYING MECHANICAL PROPERTIES AS A DENTAL MATERIAL

Journal of Engineering and Sustainable Development, 2020
In recent years, many researchers used polymethyl methacrylate in dental applications due to good mechanical and physical properties. In this research, the eggshell powder had mixed with polymethyl methacrylate resin for the preparations of new ...
Reem Alaa Mohammed
doaj   +3 more sources

Effects of boron on the mechanical properties of polymethylmethacrylate denture base material

European Oral Research, 2021
Purpose The objective of this study was to determine whether the addition of different types of boron (Borax, Boric Acid and Colemanite) to polymethyl methacrylate denture base resin would improve flexural and impact strengths, and surface hardness of ...
Ali Kemal Özdemir, Derya Özdemir Doğan, Faik Tuğut, Hakan Demir, Hakan Akın   +4 more
doaj   +1 more source

Comparative evaluation of surface roughness of herbal denture cleansing tablet containing essential oils of tulsi and lemongrass, 0.12% chlorhexidine digluconate, and commercially available denture cleansing tablet on heat cure polymethyl methacrylate denture base resin: An in vitro study

Indian Journal of Health Sciences and Biomedical Research KLEU, 2023
Context: Poor denture hygiene is a risk factor for oral infections and systemic dissemination. Denture cleanliness is essential to prevent malodor, poor esthetics, and the accumulation of plaque/calculus with its deleterious effect on the mucosa ...
Harpreet Singh Manaktala, Raghunath Patil   +1 more
doaj   +1 more source

Thin composite polymethyl methacrylate films with silicon dioxide nanoparticles

Журнал Белорусского государственного университета: Химия, 2021
Techniques for the formation of thin polymer films based on polymethyl methacrylate and composite coatings with silicon dioxide nanoparticles on glass and silicon substrates have been optimised, and their structural characteristics have been studied by ...
Dmitry V. Sapsaliou, Galina B. Melnikova, Vasilina A. Lapitskaya, Tatyana N. Tolstaya, Tatyana A. Kuznetsova, Dmitry A. Kotov, Sergei A. Chizhik   +6 more
doaj   +1 more source

The Performance of Polymethyl Methacrylate/Clay Nanocomposite as Novel Pour Point Depressant on Rheological Properties of Model Waxy Crude Oil [PDF]

Journal of Petroleum Science and Technology, 2020
A novel polymeric nanocomposite pour point depressant (PPD), based on polymethyl methacrylate (PMMA) and montmorillonite (MMT) clay, was synthesized and characterized.
Mohammad Ali Kazemi, Ali Reza Solaimany Nazar, Yavar Karimi   +2 more
doaj   +1 more source