Results 51 to 60 of about 44,175 (214)

Helpful developments and technologies for school eye health programmes

Community Eye Health Journal, 2017
School eye health programmes provide a unique opportunity to positively influence the health of 700 million children globally. The impact of school eye health (SEH) goes far beyond good vision— it encompasses education, social development and economic ...
Priya Morjaria, Andrew Bastawrous
doaj  

Electrical conductivity and Raman imaging of double wall carbon nanotubes in a polymer matrix [PDF]

, 2011
Raman spectroscopy is used to access the dispersion state of DWNTs in a PEEK polymer matrix. The interaction of the outer tube with the matrix can be determined from the line shape of the Raman G band.
Tishkova, Victoria, Victoria Tishkova, Lonjon, Antoine, Antoine Lonjon, Emmanuel Flahaut, Le Fournier, Marion, Marion Le Fournier, Flahaut, Emmanuel, Bacsa, Wolfgang, Raynal, Pierre-Ivan, Philippe Demont, Puech, Pascal, Pierre-Ivan Raynal, Raynal, Pierre Ivan, Demont, Philippe, Pascal Puech, Wolfgang Bacsa   +16 more
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Polyetheretherketone in Orthopedic Plate Design to Facilitate Fracture Recovery

Journal of Biomechanical Science and Engineering, 2011
Polyetheretherketone (PEEK) is becoming an interesting alternative to titanium alloys and stainless steel in orthopedics. This study compares two types of PEEK fracture plates (natural and carbon reinforced) with titanium plates of the same design ...
Jason SANDERSON, Yoshitaka NAKANISHI, Nobuki MURAYAMA, Takuya NISHIMURA, Takako ISHI, Hiroshi MIZUTA, Hidehiko HIGAKI   +6 more
doaj   +1 more source

Analyse von Polyetheretherketon (PEEK) mit Ultraschall [PDF]

Polyetheretherketon (PEEK) ist ein teilkristalliner Hochleistungsthermoplast mit steifen Polymerketten, der aufgrund seiner hohen mechanischen und thermischen Stabilität in zahlreichen technischen Anwendungen eingesetzt wird.
Jamous, Hebatullah
core   +1 more source

Implementation outcomes of a school-based visual screening program using the peek tool in low-resource settings in Pakistan

BMC Public Health
Background Visual impairment among school-aged children in low-resource settings can significantly impact their quality of life and education due to limited access to comprehensive eye care.
Sarah Aman, Noor-us-Sabah Ahmad, Mohammad Ali A. Sadiq, Mohammad Moin, Asad Aslam Khan, Muhammad Ismail Khan, Zahid Awan, Elanor Watts, Sergio Latorre Arteaga   +8 more
doaj   +1 more source

Morphological Characterization of an Eco Friendly Medi Grade Bio-Polymer Composites Using SEM Analysis

Journal of Pharmacy and Bioallied Sciences
Background: Medical and Dental Implant Biomaterial Research is focused on the cutting-edge interface of polymer composite material. Ongoing research and development in the bio-material field are focused on novel matrix-filler formulations of polymer ...
Queen A. Arul, Arul J. Arputham, Padmapriya Mahalingam, Dipanjan Debnath, N Kurunji Kumaran   +4 more
doaj   +1 more source

Friction and Wear Characteristics of PEEK and PEEK Composites in Water Lubricated Slow Speed Sliding

Tribology Online, 2015
Friction and wear performances of natural grade poly-ether-ether ketone (PEEK) and three PEEK composites e.g. 30 mass% carbon fibre reinforced (PC-1), 30 mass% glass fibre reinforced (PC-2), and 10 mass% each PTFE/graphite/carbon fibre reinforced (PC-3 ...
Neelima Khare, P. K. Limaye, N. L. Soni, R. J. Patel   +3 more
doaj   +1 more source

Comparison Between Stainless Steel and Polyetheretherketone (PEEK) Temporary Anchorage Devices in Orthodontics - A Comparative Study

Indian Journal of Dental Research
Background: Mini-implants are crucial in orthodontics for absolute anchorage, allowing precise dental movements without affecting adjacent structures.
Eduardo Pérez Maldonado Barragán, Mauricio Navarro Villalobos, Santiago J. García Rosas, Manuel A. Ojeda Misses, Edgar Gómez Obregón   +4 more
doaj   +1 more source

Biomechanical performance of poly-ether-ether-ketone (PEEK) vs. titanium orthodontic mini-screws in artificial bone: An in vitro investigation

Journal of Orthodontic Science
AIM AND OBJECTIVES: This study aimed to evaluate and compare the biomechanical behavior of titanium and poly-ether-ether-ketone (PEEK) orthodontic mini-screws.
Aymen Adil Al-hamadani, Mehdi Abdul-hadi Alrubayee   +1 more
doaj   +1 more source

A Study of the crystallisation kinetics in PEEK and PEEK composites [PDF]

, 2011
The two main objectives of the current work were: 1) Isothermally crystallise samples of Carbon-Filled PEEK and Unfilled PEEK at a range of temperatures above the Tg and analyse them using the Conventional Avrami method and the Differential Avrami method.
Harris, Luke
core