Results 91 to 100 of about 333,900 (300)

THE CHOICE OF POLYPROPYLENE ENDOPROSTHESIS FOR ABDOMINAL WALL PLASTY

open access: yesВестник хирургии имени И.И. Грекова, 2018
The study (on 27rabbits) of postponed tissue reaction of abdominal wall was done after web space plasty of standard, light and superlight polypropylene endoprostheses on 30th, 60th and 120th days. It was stated, that the standard polypropylene prosthesis
B. S. Sukovatykh   +5 more
doaj   +1 more source

AuNP-Agglomerated monoliths in pipette tips for lectin affinity extraction of glycoproteins [PDF]

open access: yes, 2010
• To in situ fabricate ethylene dimethacrylate porous polymer monoliths within the confines of a commercial 20 μL polypropylene pipette tips. • To enhance the monolith surface area by immobilising AuNPs and then functionalise the AuNPs with ECL lectin
Alwael, Hassan   +5 more
core  

Development and application of micromechanical techniques for characterising interfacial shear strength in fibre-thermoplastic composites [PDF]

open access: yes, 2012
The development of single fibre pull-out and microbond tests for characterising interfacial strength in thermoplastic composites is reviewed in detail. Manufacture of an experimental jig and sample preparation regimes for both tests are described.
Thomason, James, Yang, Liu
core   +1 more source

Assembly of Cell‐Seeded 3D Printed Hydrogel Modules with Perfusable Channel Networks

open access: yesAdvanced Functional Materials, EarlyView.
Macroscale assembly was utilized to prepare perfusable tissue constructs from individually 3D printed hydrogel modules with embedded branched channel networks and port arrays for cell seeding. Novel multi‐material bioreactors were fabricated to facilitate the gluing of individual modules and the perfusion culture of assembled modular constructs seeded ...
Zachary J. Geffert   +10 more
wiley   +1 more source

A Personalized, 3D Printed Polymeric Device for the Prevention of Post‐Myocardial Infarction Cardiac Remodeling

open access: yesAdvanced Healthcare Materials, EarlyView.
Myocardial infarction often leads to pathological remodelling and ventricular dilatation, key features of HFrEF. This study introduces a personalized, 3D‐printed cardiac restraint device (CARD) printed using rationally designed inks displaying the requested printability and mechanical properties.
Nicola Mansour   +6 more
wiley   +1 more source

Upgrading properties and circularity of the recycled flexible polypropylene by developing composites with an optimal combination of a fumed silica and maleated polypropylene copolymer: Influence of the addition of copolymer, type of fumed silica and the silica/copolymer ratio on packaging properties

open access: yesPolymer Testing
Rigid polypropylene is mechanically recycled but flexible polypropylene is mostly used in energetic valorization because of the poor properties of the recycled polymer.
Eliezer Velásquez   +6 more
doaj   +1 more source

Adsorption of MS2 bacteriophage on ultrafiltration membrane laboratory equipments [PDF]

open access: yes, 2010
Virus adsorption has been quantified (i) on different materials including various containers made of glass, plastic or stainless steel and hollow fiber membranes made of polyethersulfone, polysulfone, PVDF or cellulose acetate (with two configurations ...
Aimar, Pierre   +3 more
core   +2 more sources

Smart Face Masks as Wearable Respiratory Sensors: A Review of Sensor Technologies, Materials, and Future Directions

open access: yesAdvanced Healthcare Materials, EarlyView.
This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi   +7 more
wiley   +1 more source

Dermabond-adhesive glue versus polypropylene sutures for cesarean section-skin closure

open access: yesGinekologia Polska
OBJECTIVES: To compare the Dermabond-adhesive glue versus polypropylene sutures for cesarean section (CS) skin closure. MATERIAL AND METHODS: One hundred women admitted for elective CSs (ECSs) were randomized into two groups; Dermabond group including ...
Zainab Abdul Ameer Jaafar   +7 more
doaj   +1 more source

Natural Fiber-Polypropylene composites made from caranday palm [PDF]

open access: yes, 2016
Composites made from polypropylene (PP) and local South American fi bers traditionally used in yarnderived craftsmanships, Caranday Palm, were studied regarding the effect of fi ber addition, concentration and characteristics of the coupling agent ...
Aranguren, Mirta Ines   +2 more
core   +2 more sources

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