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Items from 1 to 20 out of 10,995 results

article

Dissolution of glass wool, rock wool and alkaline earth silicate wool: Morphological and chemical changes in fibers

Antonella Campopiano, Annapaola Cannizzaro, Federica Angelosanto, Maria Luisa Astolfi, more

Regulatory Toxicology and Pharmacology > 2014 > 70 > 1 > 393-406

The behavior of alkaline earth silicate (AES) wool and of other biosoluble wools in saline solution simulating physiological fluids was compared with that of a traditional wool belonging to synthetic vitreous fibers. Morphological and size changes of fibers were studied by scanning electron microscopy (SEM). The elements extracted from fibers were analyzed by inductively coupled plasma atomic emission...

article

Stretch-induced intussuceptive and sprouting angiogenesis in the chick chorioallantoic membrane

Janeil Belle, Alexandra Ysasi, Robert D. Bennett, Nenad Filipovic, more

Microvascular Research > 2014 > 95 > Complete > 60-67

Vascular systems grow and remodel in response to not only metabolic needs, but also mechanical influences as well. Here, we investigated the influence of tissue-level mechanical forces on the patterning and structure of the chick chorioallantoic membrane (CAM) microcirculation. A dipole stretch field was applied to the CAM using custom computer-controlled servomotors. The topography of the stretch...

article

Assessment of Daucus carota L. (Apiaceae) subspecies by chemotaxonomic and DNA content analyses

Ana Cristina Tavares, João Loureiro, Sílvia Castro, António P. Coutinho, more

Biochemical Systematics and Ecology > 2014 > 55 > Complete > 222-230

For a clearer distinction between the four subspecies of Daucus carota native from Portugal (subsp. carota, subsp. maximus, subsp. gummifer and subsp. halophilus), morphological features of the fruits, DNA content analyses by flow cytometry, and chemical characterization of the essential oils were undertaken.We found chemotaxonomic evidences to consider D. carota subsp. maximus as a separate species...

article

Synthesis, structure, and magnetic behavior of (LaxCe1−x)1.33Pt4Ga10 (0⩽x⩽1)

Robin T. Macaluso, Michael Shatruk, Ping Chai, Hanyul Hong, more

Journal of Alloys and Compounds > 2014 > 600 > Complete > 193-198

(La _x Ce ₁ _- _x ) ₁ _. ₃ ₃ Pt ₄ Ga ₁ ₀ (0=<x=<1), synthesized with excess Ga flux, crystallize in the P6 ₃ /mmc space group, Z=1, with lattice parameters a=b~4.3 and c~16.5A for the entire range of the solid solution. Single-crystal diffraction and electron microscopy methods show that La substitution within the solid solution...

article

Corrosion behaviour of laser surface melted magnesium alloy AZ91D

C. Taltavull, B. Torres, A.J. Lopez, P. Rodrigo, more

Materials and Design > 2014 > 57 > Complete > 40-50

A high power diode laser (HPDL) was used to produce laser surface melting (LSM) treatments on the surface of the Mg alloy AZ91D. Different treatments with different microstructures were produced by varying the laser-beam power and laser-scanning speed. Corrosion evaluation, using hydrogen evolution and electrochemical measurements, led to a relationship between microstructure and corrosion. Most corrosion...

article

Morphological and structural characterization of Sm–O–S compounds prepared by thermolysis of dithiocarbamate precursors

M.A. Signore, A. Taurino, M. Catalano, E. Bellini, more

Thin Solid Films > 2014 > 556 > Complete > 241-246

Deposition and structural characterization of Sm _x S _y O _z -based thin films are reported. The chemical synthesis of the Sm _x S _y O _z compounds is performed by thermolysis of dithiocarbamate precursors, followed by the drop casting deposition of the synthesized material, and by the thermal treatment at different temperatures (250°C, 500°C and 900°C)...

article

Optical Interferometric Properties of Iridescent Nanoporous Anodic Alumina

Suresh D. Kulkarni, K.S. Choudhari, C. Santhosh, S.D. Kulkarni, more

Procedia Materials Science > 2014 > 5 > Complete > 988-994

Highly ordered nanoporous anodic alumina (NAA) membranes with varying pore properties were fabricated using two step electrochemical oxidation of aluminum. A study on optical reflective interferometric properties of NAA was conducted. The influence of pore properties including pore diameters, interpore distance and pore lengths on the reflection spectra was explored. Variation of reflection intensities...

article

Peeling of tomatoes using novel infrared radiation heating technology

Xuan Li, Zhongli Pan, Griffiths G. Atungulu, Xia Zheng, more

Innovative Food Science and Emerging Technologies > 2014 > 21 > Complete > 123-130

The effectiveness of using infrared (IR) dry-peeling as an alternative process for peeling tomatoes without lye and water was studied. Compared to conventional lye peeling, IR dry-peeling using 30s to 75s heating time resulted in lower peeling loss (8.3%-13.2% vs. 12.9%-15.8%), thinner thickness of peeled-off skin (0.39-0.91mm vs. 0.38-1.06mm), and slightly firmer texture of peeled products (10.30-19...

article

Crystalline Zinc Indium Selenide Thin Film Electrosynthesis and its Photoelectrochemical Studies

Anuradha. B. Bhalerao, B.G. Wagh, N.M. Shinde, S.B. Jambure, more

Energy Procedia > 2014 > 54 > Complete > 549-556

A room temperature electrochemical synthesis of Zinc Indium Selenide (ZnIn ₂ Se ₄ ) thin films has been carried out. The films were polycrystalline and exhibited n-type conductivity. ZnIn ₂ Se ₄ films were found to be photoactive in polysulphide solution. The photo electrochemical (PEC) studies of these films have been carried out using current-voltage (I-V) characteristics,...

article

Crystal growth kinetics in Se87.5 Te10 Sn2.5 glass

M.A. Abdel-Rahim, A. Gaber, A.A. Abu-Sehly, N.M. Abdelazim, more

Journal of Non-Crystalline Solids > 2013 > 376 > Complete > 158-164

The crystallization process of Se _87.5 Te ₁₀ Sn _2.5 glassy was studied by differential thermal analysis (DTA) technique under non-isothermal condition at various heating rates. The crystallization parameters were calculated using different models. The validity of the Johnson–Mehl–Avrami (JMA) model to describe the crystallization process for the studied composition was discussed...

article

Retained austenite thermal stability in a nanostructured bainitic steel

Behzad Avishan, Carlos Garcia-Mateo, Sasan Yazdani, Francisca G. Caballero, more

Materials Characterization > 2013 > 81 > Complete > 105-110

The unique microstructure of nanostructured bainite consists of very slender bainitic ferrite plates and high carbon retained austenite films. As a consequence, the reported properties are opening a wide range of different commercial uses. However, bainitic transformation follows the T ₀ criteria, i.e. the incomplete reaction phenomena, which means that the microstructure is not thermodynamically...

article

Comparative pollen and foliar micromorphological studies using light microscopy and scanning electron microscopy of some selected species of Lamiaceae from Alpine Zone of Deosai Plateau, Western Himalayas

Abida Bano, Sofia Rashid, Mushtaq Ahmad, Ghulam R. Bhatti, more

Microscopy Research and Technique > 83 > 6 > 579 - 588

The study was conducted to highlight a detailed account of morphology of pollen chosen species of Lamiaceae through scanning electron microscopy, and the anatomical characteristics of leaf epidermis of seven species using simple light microscopy. In results, Anisomeles indica and Otostegia aucheri belong to subfamily Lamioideae because it has tricolpate pollen while the rest eight species belong to...

article

Morphology and distribution of antennal sensilla in a parasitoid fly, Gymnosoma rotundatum (Diptera: Tachinidae)

Gwang H. Roh, Yeon J. Lee, Chung G. Park

Microscopy Research and Technique > 83 > 6 > 589 - 596

Morphology of antennal sensilla and their distribution were investigated in male and female adults of the parasitoid fly Gymnosoma rotundatum (Diptera: Tachinidae) using scanning electron microscopy (SEM). The overall length and shape were not different between males and females from each other. Three basic types of sensilla (sensilla basiconica, s. chaetica, and s. coeloconica) were identified from...

article

Metallization and Ar‐O plasma effects on dental enamel roughness evaluated with SEM and MeX™ for 3D reconstruction

Débora Drummond Hauss Monteiro, Henrique Limborço, Rodrigo Guimarães Porto, Allyson Nogueira Moreira, more

Microscopy Research and Technique > 83 > 6 > 597 - 603

The MeX™ software is a useful tool for tridimensional data collection for surface evaluation and could be relevant to evaluate the same specimen in different phases of the study, assuming repeated measures of dental enamel roughness. The aim of this study was to evaluate the influence of sample metallization for dental enamel roughness analysis with 3D images reconstructed using MeX™ software from...

article

Emicizumab improves the stability and structure of fibrin clot derived from factor VIII‐deficient plasma, similar to the addition of factor VIII

Naruto Shimonishi, Keiji Nogami, Kenichi Ogiwara, Tomoko Matsumoto, more

Haemophilia > 26 > 3 > e97 - e105

Introduction Emicizumab is an antifactor (F)IXa/FX bispecific antibody, mimicking FVIIIa cofactor function. Emi prophylaxis effectively reduces bleeding events in patients with haemophilia A. The physical properties of emicizumab‐induced fibrin clots remain to be investigated, however. Aim We have investigated the stability and structure of emicizumab‐induced fibrin clots. Methods Coagulation...

article

Effect of peeling and unpeeling on yield, chemical structure, morphology and pasting properties of starch extracted from three diverse potato cultivars of Pakistan

Asad Nawaz, Shinawar Waseem Ali, Sana Irshad, Fatima Irshad, more

International Journal of Food Science & Technology > 55 > 6 > 2344 - 2351

The current study investigates the comparison and quality characteristics of starches isolated from potatoes using different processing methods from three commercial varieties: Lady Rosetta, Asterix and Challenger, for the first time in Pakistan. The analysis of variance revealed that starch yield significantly (P < 0.05) depended on total solids, peeling (12.7%, 12.0% and 12.0%) and unpeeling...

article

Nonisothermal crystallization behavior of polylactide/polyethylene glycol/graphene oxide nanosheets composite films

Jasim Ahmed, Giorgio Luciano, Sofia Maggiore

Polymer Composites > 41 > 5 > 2108 - 2119

The nonisothermal crystallization (NIC) behavior of solution‐cast polylactide (PLA)/polyethylene glycol (PEG)/graphene oxide (GO) nanosheets composite (PLA/PEG/GO) films was examined at the selected cooling rate. The crystallization temperature (T_c) of the PLA/PEG matrix improved with increasing the reinforcement of GO (0.5%‐2% w/w) at a constant cooling rate. Various conventional crystallization...

article

Morphological studies on the gills of the European hake (Merluccius merluccius, Linnaeus, 1758)

Basma G. Hanafy

Microscopy Research and Technique > 83 > 5 > 531 - 540

The current work gives concern to study the morphology of the Merluccius merluccius gills by using gross morphology, scanning electron microscopy (SEM), and light microscopy. The findings of the present study revealed that the gill system consisted of four pairs of gill arches which carry the gill filaments on the convex border and gill rakers on the concave border of them. SEM results revealed that...

article

Bond strength and adaptation of pulp capping materials to dentin

Muhammet Karadas, Makbule Gamze Atıcı

Microscopy Research and Technique > 83 > 5 > 514 - 522

This study evaluated the shear bond strength (SBS) and internal marginal adaptation of pulp‐capping materials to dentin. Flat occlusal deep dentin surfaces were produced and randomly assigned to two groups (sound or artificial caries‐affected dentin). The specimens in each group were assigned to one of seven subgroups according to the materials used: Biodentine, Theracal LC, Ultra‐Blend plus, Calcimol...

article

Morphological transitions of Bacillus subtilis in the presence of food‐grade lipidic nanoemulsions

Neeru Singh, Afzal Hussain, Sandeep Kumar Singh

Journal of Food Science > 85 > 4 > 1223 - 1230

The present study aims to study the antibacterial activity of food‐grade lipidic nanoemulsion (noncationized/cationized) against Bacillus subtilis (BS). Bactericidal activity was ascertained by studying the morphological transitions on BS using transmission electron microscopy (TEM), atomic force microscopy (AFM), and scanning electron microscopy (SEM). Morphological changes were witnessed by cell...

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Dissolution of glass wool, rock wool and alkaline earth silicate wool: Morphological and chemical changes in fibers

Stretch-induced intussuceptive and sprouting angiogenesis in the chick chorioallantoic membrane

Assessment of Daucus carota L. (Apiaceae) subspecies by chemotaxonomic and DNA content analyses

Synthesis, structure, and magnetic behavior of (LaxCe1−x)1.33Pt4Ga10 (0⩽x⩽1)

Corrosion behaviour of laser surface melted magnesium alloy AZ91D

Morphological and structural characterization of Sm–O–S compounds prepared by thermolysis of dithiocarbamate precursors

Optical Interferometric Properties of Iridescent Nanoporous Anodic Alumina

Peeling of tomatoes using novel infrared radiation heating technology

Crystalline Zinc Indium Selenide Thin Film Electrosynthesis and its Photoelectrochemical Studies

Crystal growth kinetics in Se87.5 Te10 Sn2.5 glass

Retained austenite thermal stability in a nanostructured bainitic steel

Comparative pollen and foliar micromorphological studies using light microscopy and scanning electron microscopy of some selected species of Lamiaceae from Alpine Zone of Deosai Plateau, Western Himalayas

Morphology and distribution of antennal sensilla in a parasitoid fly, Gymnosoma rotundatum (Diptera: Tachinidae)

Metallization and Ar‐O plasma effects on dental enamel roughness evaluated with SEM and MeX™ for 3D reconstruction

Emicizumab improves the stability and structure of fibrin clot derived from factor VIII‐deficient plasma, similar to the addition of factor VIII

Effect of peeling and unpeeling on yield, chemical structure, morphology and pasting properties of starch extracted from three diverse potato cultivars of Pakistan

Nonisothermal crystallization behavior of polylactide/polyethylene glycol/graphene oxide nanosheets composite films

Morphological studies on the gills of the European hake (Merluccius merluccius, Linnaeus, 1758)

Bond strength and adaptation of pulp capping materials to dentin

Morphological transitions of Bacillus subtilis in the presence of food‐grade lipidic nanoemulsions

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