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关键词:'200336'
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Gursukhman S Sidhu et al.
Journal of neurosurgery. Spine, 19(1), 61-70 (2013-05-07)
The authors endeavor to highlight the surgical management of severe neurological deficit resulting from cement leakage after percutaneous vertebroplasty and to systematically review the literature on the management of this complication. A patient presented after a vertebroplasty procedure for traumatic
Ali Dirani et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 30(4), 266-271 (2014-04-08)
To evaluate the safety and clinical outcomes of non-topography-guided photorefractive keratectomy (PRK) for the treatment of residual mild refractive errors 6 months after sequential intracorneal ring segment (ICRS) implantation and corneal collagen cross-linking (CXL) in stable keratoconus. This retrospective study
Hidekazu Yamazaki et al.
Journal of bioscience and bioengineering, 118(4), 455-460 (2014-04-20)
Microwell chip culture is a promising technique for the generation of homogenous spheroids. We investigated the relationship between the structure of the bottom surface of microwell chip and the properties of HepG2 spheroid. We developed a microwell chip, the bottom
C J Gutowski et al.
The bone & joint journal, 96-B(1), 65-69 (2014-01-08)
The rate of peri-prosthetic infection following total joint replacement continues to rise, and attempts to curb this trend have included the use of antibiotic-loaded bone cement at the time of primary surgery. We have investigated the clinical- and cost-effectiveness of
Teerthesh Jain et al.
The journal of contemporary dental practice, 14(1), 80-83 (2013-04-13)
The purpose of this study was to evaluate and compare the flexural strength of commercially available acrylic (trevalone) and modified polymethylmethacrylate (PMMA). Four groups were tested; Group 1- control group regular MMA, group 2-2% methacrylic acid, 88% MMA, group 3-16%
Tim Van Hoeylandt et al.
Journal of chromatography. A, 1342, 63-69 (2014-04-15)
Peaks eluting from a size exclusion separation (SEC) are often not completely baseline-separated due to the inherent dispersity of the polymer. Lowering the flow rate is sometimes a solution to obtain a better physical separation, but results in a longer
Simulated body fluid and water absorption effects on poly (methyl methacrylate)/hydroxyapatite denture base composites.
Tham WL, et al.
Express Polymer Letters, 4(9), 517-528 (2010)
Hugo de las Heras et al.
Physics in medicine and biology, 58(8), L17-L30 (2013-03-27)
A phantom for image quality evaluation of digital mammography systems is presented and compared to the most widely used phantoms in Europe and the US. The phantom contains objects for subjective detection of Landolt rings (four-alternative, forced-choice task) and for
Poly (methyl methacrylate) and polystyrene/clay nanocomposites prepared by in-situ polymerization.
Zeng C and Lee LJ
Macromolecules, 34(12), 4098-4103 (2001)
Regarding "intra-arterial injection of acrylic cement as a complication of percutaneous vertebroplasty".
John D Kakisis et al.
Journal of vascular surgery, 58(6), 1744-1744 (2013-11-28)
A Fukushima et al.
Journal of dental research, 93(5), 525-529 (2014-02-21)
Corrosion of titanium is the major concern when it is used for dental treatment. This study aimed to investigate the mechanism of the microbiologically induced corrosive properties of titanium. An experimental well was made of polymethyl methacrylate with pure titanium
Peter A Ajibade et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 113, 408-414 (2013-06-12)
Zn(II), Cd(II) and Hg(II) dithiocarbamate complexes have been synthesized and characterized by elemental analysis, thermogravimetric analysis, UV-Vis, FTIR, (1)H- and (13)C NMR spectroscopy. The complexes were thermolysed at 180 °C and used as single molecule precursors for the synthesis of
Hong Hanh Tran et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 936, 88-94 (2013-09-05)
In this study, we fabricate a monolithic poly(methylmethacrylate) (PMMA) microdevice on which solid phase-based DNA preparation and flow-through polymerase chain reaction (PCR) units were functionally integrated for one-step sample preparation and amplification operated by pressure. Chelex resin, which is used
Mechanical and Tribological Properties of PMMA-Sea Shell based Biocomposite for Dental application.
Kartick R, et al.
Procedia Materials Science, 6, 1989-2000 (2014)
Bo Chen et al.
Journal of controlled release : official journal of the Controlled Release Society, 140(3), 203-209 (2009-05-26)
Water-soluble polymers for the delivery of chemotherapeutic drugs passively target solid tumors as a consequence of reduced renal clearance and the enhanced permeation and retention (EPR) effect. Elimination of the polymers in the kidney occurs due to filtration through biological
Bon Min Koo et al.
Scientific reports, 9(1), 9755-9755 (2019-07-07)
A synaptic device that functionally mimics a biological synapse is a promising candidate for use as an electronic element in a neuromorphic system. In this study, flexible electronic synaptic devices based on poly (methyl methacrylate) (PMMA):CdSe/CdZnS core-shell quantum-dot (QD) nanocomposites
Distortions of iris and anterior lens capsule OCT images by ICRS.
Hosik Hwang et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 29(3), 155-156 (2013-03-01)
R Prejbeanu et al.
European review for medical and pharmacological sciences, 17(17), 2366-2371 (2013-09-26)
Tumoral resections pose serious challenges because sufficient removal has to be balanced against function preservation. A particular type of resection is encountered when the tumor is located in the diaphysis. It can lead to an important gap which cannot always
Lier Deng et al.
Journal of nanoscience and nanotechnology, 14(6), 4622-4625 (2014-04-18)
A simple approach is presented for the fabrication of poly(methyl methacrylate) (PMMA) nanobowl arrays over cm2 areas using SiO2 colloidal crystal templates. SiO2 colloidal crystal templates were prepared on a clean glass substrate by self-assembled SiO2 spheres of 410 nm
Jun Liu et al.
Journal of nanoscience and nanotechnology, 14(6), 4405-4408 (2014-04-18)
P(U-MMA-ANI) interpenetrating polymer network (IPN) damping and absorbing material is successfully synthesized by PANI particles served as an absorbing agent with the microemulsion polymerization and P(U-MMA) foam IPN network structure for substrate materials with foaming way. P(U-MMA-ANI) IPN is characterized
Angelo Accardo et al.
Nanoscale, 5(6), 2295-2299 (2013-02-22)
Drops of exosome dispersions from healthy epithelial colon cell line and colorectal cancer cells were dried on a superhydrophobic PMMA substrate. The residues were studied by small- and wide-angle X-ray scattering using both a synchrotron radiation micrometric beam and a
M Golshah et al.
The European journal of prosthodontics and restorative dentistry, 21(3), 135-140 (2013-11-23)
Polymerization shrinkage is one of the disadvantages ofpolymethyl methacrylate resulting in distortion of resin denture bases. The aim of this study is to analyze the effect of numbers and locations of retentive holes on reducing polymerization distortion. Forty eight master
Sissi de Beer et al.
Journal of visualized experiments : JoVE, (94)(94), doi:10-doi:10 (2015-01-16)
Solvated polymer brushes are well known to lubricate high-pressure contacts, because they can sustain a positive normal load while maintaining low friction at the interface. Nevertheless, these systems can be sensitive to wear due to interdigitation of the opposing brushes.
Taher Alizadeh et al.
Journal of hazardous materials, 248-249, 401-406 (2013-02-19)
It was demonstrated that a thin film of chemically exfoliated graphene flakes, blended with poly(methyl methacrylate), could be used as a chemiresistor sensor for the sensitive and selective determination of formaldehyde vapor. Formaldehyde adsorption on the sensing film led to
A K Pathak et al.
The Journal of clinical pediatric dentistry, 37(3), 335-339 (2013-07-17)
Biofilms on removable orthodontic appliances act as reservoir of microorganisms, capable of modifying the environmental condition of oral cavity and are difficult to be removed with routine hygiene measures. The present investigation includes enumeration, identification and numerical analysis of different
José F Alfonso et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 29(4), 266-272 (2013-04-06)
To assess the visual and refractive outcomes of implantation of intrastromal corneal ring segments (ICRS) in keratoconic eyes with no coincident topographic and comatic axes. Forty-one keratoconic eyes of 39 patients with no coincident topographic and comatic axes were implanted
Leila Perea et al.
The journal of adhesive dentistry, 16(2), 161-168 (2013-11-02)
To evaluate the load-bearing capacities of fiber-reinforced composite (FRC) fixed dental prostheses (FDP) with pontics of various materials and thicknesses. Inlay preparations for retaining FDPs were made in a polymer phantom model. Seventy-two FDPs with frameworks made of continuous unidirectional
Seok Jin Hong et al.
Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery, 149(4), 596-602 (2013-07-13)
Currently, a variety of materials are available for the treatment of glottal insufficiency. Ideal injection materials should be inexpensive, easily obtainable, nontoxic, and biocompatible. Plasma gel has recently been developed as an injectable, autologous material used in plastic surgery. The
Charles H Weber et al.
Current opinion in ophthalmology, 26(1), 10-15 (2014-11-13)
To discuss capsular tension devices and recent evidence regarding their use. The capsular tension ring, modified capsular tension ring, and capsular tension segment are well established tools for use during phacoemulsification when zonular instability is present. Recent research has provided
Hidehiko Watanabe et al.
American journal of dentistry, 26(5), 265-270 (2014-02-01)
To evaluate the mechanical strength and color stability of provisional restoration materials. For mechanical testing, four groups [Trim (PEMA), Alike (PMMA), Versatemp (bis-acrylic resin composite, BARC) and Perfectemp II (bis-acrylic fluoride enriched resin, BAFC)] of resin disks were prepared for
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