THE USE OF BORIC ACID SOLUTION TO HELP IN THE REMOVAL OF BIODEGRADED MIRAGEL EPISCLERAL BUCKLES
ROLDÁN-PALLARÉS, MANUELA MD, PhD; AMBIT AVILA, MARÍA ISABEL PhD; REFOJO, MIGUEL F. DSc Author Information
Materials Literature
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Synthetic Hydromagnesite as Flame Retardant. A Study of the Stearic Coating Process
Abstract A synthetic hydromagnesite obtained from an industrial by‐product rich in magnesium oxide was employed and evaluated as a non‐halogenated flame retardant for poly(ethylene‐co‐vinyl acetate). The filler was characterized with different techniques (such as specific surface area, TGA, particle morphology and siz…
On the tissue compatibility of poly(ether imide) membranes: an in vitro study on their interaction with human dermal fibroblasts and keratinocytes
Recently we have developed a novel type of membrane based on poly(ether imide) (PEI) which is considered for biomedical application. To improve its physical and biological performance it was modified by blending with poly(benzimidazole) (PBI). In the present study both membranes were characterized in terms of their ph…
meso-Dichloropyrimidinyl substituted expanded porphyrins
Condensation of 4,6-dichloro-2-phenylpyrimidine-5-carbaldehyde with pyrrole enables the synthesis of a number of expanded porphyrins of which the [26]hexaphyrin was easily isolated and successfully converted into the decasubstituted doubly N-fused hexaphyrin variant.
Rational synthesis of asymmetric bicyclic siloxane
A rational and versatile method to synthesize bicyclosiloxane of design structures is presented. The method is used to synthesize a new, asymmetric bicyclo[7.5.3]octasiloxane and other bicyclosiloxanes.
Screw‐sense inversion characteristic of α‐helical poly(β‐p‐chlorobenzyl L‐aspartate) and comparison with other related polyaspartates
This is one of a series of studies on the reversal of the helix sense of polyaspartates originated from the pioneering work of Goodman and his associates in 1960s. Poly(beta-p-chlorobenzyl L-aspartate) (PClBLA) is one of the well-studied polyaspartate derivatives in both solution and the solid state. The chemical stru…
Kinetics of the Non-Isothermal Reduction of Nb2O5 with Aluminium
The present paper presents the results of a thermoanalytical investigation on the kinetics of the aluminothermic reduction of Nb2O5 under non-isothermal conditions. Simultaneous differential thermal analysis (DTA) and thermogravimetry (TG) technique were used. It was determined the minimum molar ratio Nb2O5:Al for the…
Definition and exchange of crystallographic data
International Tables for Crystallography is the definitive resource and reference work for crystallography and structural science. Each of the eight volumes in the series contains articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned…
Corrosion Protection of Ductile Iron Pipe
The results of a 2-year study of corrosion and the corrosion protection of ductile iron (DI) pipe are reported. The study includes field and laboratory tests of short- and long-term polarization rates under various conditions, corrosion-rate reduction with corresponding cathodic current criterion, and the corrosion pr…
Microwave‐Assisted Rapid Modification of Zein by Octenyl Succinic Anhydride
ABSTRACT Corn is one of the most important food and industrial crops in the United States. Zein constitutes about half of the endosperm proteins in corn. Potential applications of zein include use in fibers, adhesives, inks, cosmetics, textiles, and chewing gum. Recently, attempts have been made to utilize zein for fo…
Size effects in chromium-doped PbTiO3 nanopowders observed by multi-frequency EPR
A multi-frequency (X, Q, and W band) electron paramagnetic resonance (EPR) study of Cr-doped PbTiO3 micro- and nanopowder samples was performed. Three Cr3+ centres were identified in tetragonal phase samples with different axial Zero Field Splitting (ZFS) parameters, C1, C2, and C3. The centre C1 is similar to that ob…
Investigation of Electrochemical Behavior of Stimulation/Sensing Materials for Pacemaker Electrode Applications II. Conducting Oxide Electrodes
0.2 Sr 0.8 Fe 0.55 Ti 0.
The Electrochemical Performance of Bias-Sputter-Deposited Nanocrystalline Nickel Oxide Thin Films Toward Lithium
Nickel oxide (NiO) thin films have been deposited by reactive rf sputter deposition under O 2 ∕ Ar flow ratios of 1 ∕ 3 and 3 ∕ 1 . Negative electric bias was applied on the substrates during film deposition. The current-voltage characteristics measured on the copper substrate holder showed that the ions in the O 2 ∕…
Lithium ion transport and microstructure in nanocrystalline lithium niobate
In this contribution we will discuss the preparation of nanocrystalline lithium niobate using a variety of methods, including both ball-milling and sol-gel methods. For samples prepared by the different routes we report (i) 7Li NMR spectroscopy results and Nb K-edge EXAFS spectra. We will show that the preparative rou…
Mechanical Properties of Chemically Vapor-Infiltrated Silicon Carbide Structural Composites with Thin Carbon Interphases for Fusion and Advanced Fission Applications
Fast fracture properties of chemically vapor-infiltrated silicon carbide matrix composites with Hi-NicalonTM Type-S near-stoichiometric silicon carbide fiber reinforcements and thin pyrolytic carbon interphase were studied. The primary emphasis was on preliminary assessment of the applicability of a very thin pyrolyti…
An observation of accelerated exfoliation in iPP/organoclay nanocomposite as induced by repeated shear during melt solidification
A well-exfoliated morphology is usually observed for polar polymer/clay nanocomposites via dynamic melt processing techniques, whereas only an intercalated or a partially intercalated/partially exfoliated morphology is often obtained for nonpolar polymer/clay nanocomposites, even though some polar compatibilzer is use…
Experimental Study of Non-Fourier Thermal Response in Porous Media
An experimental study of the non-Fourier behavior in porous media due to short time thermal perturbation is presented. The governing energy equation is formulated based on the two-equation model and the non-Fourier heat conduction model. This formulation leads to the emergence of three thermal lag times. These paramet…
Experimental evidence for reduced chain segment mobility in poly(amide)-6/clay nanocomposites
Poly(amide)-6/clay nanocomposites are investigated by means of modulated temperature differential scanning calorimetry. The importance of polymer–filler interaction is explored by comparing nanocomposites based on untreated and organically modified clay. During quasi-isothermal crystallization experiments, an excess c…
Study and Optimization of the Heat Dissipater of a Thermoelectric Refrigerator
One of the most important problems in a thermoelectric refrigerator is the need for considerable heat dissipation from the hot side of Peltier pellets, because the heat flow per unit area on this side is very high (∼40 kW/2). In this work, a study and an improvement of the fins to dissipate heat from the hot side have…
MAPPING PHYMATOTRICHUM ROOT ROT OF COTTON USING AIRBORNE THREE-BAND DIGITAL IMAGERY
Phymatotrichum root rot, caused by the fungus Phymatotrichum omnivorum, is a serious and destructive diseasethat significantly reduces cotton yield and lowers lint quality. Cultural practices are commonly recommended for the controlof cotton root rot, and fungicides and fumigants that may suppress the disease have als…