Results 271 to 280 of about 17,860 (317)
Small Methods, EarlyView.Meta‐chemical surfaces based on black phosphorus (BP) are developed for electrochemical Sb(III) sensing using dip‐pen nanolithography. The surface‐to‐volume ratio and the fill factor, which can be altered by the dwell time, affect the detection limit.
Krishna K. Yadav +5 more
wiley +1 more source
Efficient Large‐Area Graphene p‐n Junction Terahertz Receivers on an Integrated Optical Platform
Small Methods, EarlyView.An antenna‐integrated graphene Salisbury screen (AgSS) p‐n junction is engineered to detect radiation at 2.8 THz with room‐temperature noise equivalent powers < 300 pWHz−1/2, response time < 5 ns and a power dynamic range larger than four orders of magnitude.
Leonardo Viti +4 more
wiley +1 more source
Small Structures, EarlyView.Various properties of bone biomaterials can modulate components of the blood clot (including the fibrin network, red blood cells, platelets, and the complement system) in vivo implantation, leading to the formation of a biomaterial–blood clot complex (BBCC) significantly impacting subsequent osteoimmunomodulation.
Zongpu Han +11 more
wiley +1 more source
Small Structures, EarlyView.Robust luminescent downshifting (LDS) layers are developed using InP/ZnSexS1−x/ZnS quantum dots (QDs) and a thiol–ene crosslinked polymer matrix. The QD‐LDS layer demonstrates strong resistance to moisture and temperature, ensuring long‐term stability in colored photovoltaic modules under harsh conditions.
Keon Woo Kim +15 more
wiley +1 more source
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Thermoforming polymethyl methacrylate
The Journal of Prosthetic Dentistry, 1995This study characterized a range of commercially available polymethyl methacrylate sheets with respect to molecular weight, residual monomer content, and glass transition temperature and then developed a thermoforming procedure that produced visually satisfactory thermoformed polymethyl methacrylate specimens.
Robert G. Jagger, Atef Okdeh
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The unperturbed dimensions of polymethyl methacrylate [PDF]
Die Makromolekulare Chemie, 1969 AbstractThe value of KΘ obtained from [η] method is higher than the value of KΘ obtained from the measurements in Θ‐solvent and over 100% higher than the value of KΘ obtained from the data using FOX‐FLORY‐SCHAEFGEN and other equivalent plots. The higher value of KΘ indicates that the unperturbed dimensions of PMMA are 30% higher in bulk than in dilute ...
S. L. Kapur +2 more
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The radiography of polymethyl methacrylate (Perspex)
The British Journal of Radiology, 1975Many workers, including ourselves, have from time to time used Perspex (Lucite), polymethyl methacrylate, as a convenient phantom material. Rini et al. (1973) used a Lucite step-wedge in water as a phantom for part of a study into mammographic technique up to 40 kVp. For some of our studies we duplicated this procedure to cover the range from 20 to 120
H. E. Crooks, G. M. Ardran
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Photolithography with polymethyl methacrylate (PMMA) [PDF]
Semiconductor Science and Technology, 2015 Polymethyl methacrylate (PMMA) is widely used as an electron beam resist but is not used as a photoresist because of its insensitivity to electromagnetic radiation with wavelengths longer than about 300 nm. In this paper we describe a technique for performing conventional photolithography with high molecular weight PMMA at the widely used 365 nm i-line
Daniel J. Carbaugh +3 more
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Polymethyl methacrylate microspheres in collagen
Seminars in Cutaneous Medicine and Surgery, 2004Artecoll was developed about 20 years ago and underwent a number of production changes until it recently became FDA approved under the new name of Artefill. This product contains 20% polymethyl methacrylate (PMMA) microspheres with a diameter of 30 to 40 microm, which are suspended in a 3.5% atelo-collagen solution.
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