2,747 research outputs found

    Corneal Dermoid

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    A 20 years old boy presented with left corneal mass. The mass involved entire cornea extending to the sclera. The mass had a skin like surface and protruded outside the palpebral aperture. The eye with the mass was excised .The histopathology report confirmed the diagnosis of corneal dermoid. This late presentation of huge corneal dermoid extending to sclera is first such report in the literature

    Over the counter ophthalmic drug misuse, are we aware?

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    Aim: To investigate the misuse of ‘over the counter’ ophthalmic medications in our city. Method: Responses of a structured questionnaire covering various aspects of over the counter drug use was obtained from pharmacy workers in and around our city. Results: Eighty nine pharmacy workers took part in this cross–sectional study. An average number of seven patients per day with ophthalmic complaints were seen by the pharmacy workers. Dispensing over the counter was practiced by 89.9% of the pharmacists. The most common complaint of the patients visiting the pharmacy, was redness and itching (86.5%). Antibiotics (96.6%) were the most common eye drops dispensed over the counter, followed by steroids (55.1%), decongestants (54.1%), antibiotic-steroid combination eye drops (29.2%) and lubricants (16.8%). Awareness regarding complications of steroid use was seen in 40.6% of pharmacists. 6.7% pharmacists had seen patients with complications following use of over the counter medications. In our study, majority of the eye drops dispensed were prescription drugs. Conclusion: Availability of prescription eye drops over the counter is an immense public threat. Educating the pharmacist and the population can decrease ocular morbidity. Research into methods to effectively deal with over-the-counter drug misuse is required and law can be enforced based on the findings

    Karakteristik dan Perilaku Merpati Tinggi Lokal Jantan dan Betina

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    This study aims to 1) describe the qualitative characteristics of high pigeon (the coat color, head shape, tail shape, body shape, eye shape, the shape of the wings, beak shape and the shape of the foot at the local high pigeon male and female); 2) describe the behavior of pigeons move higher (fly, hanging, running, fighting), and mating behavior (male approaches the female, browse, and making out). This research are conducted in August 2015 in the Rawa subur Road No. 49, Enggal Centre Tanjung Karang, Bandar Lampung. This study used a descriptive exploratory conduct direct observation of the behavior of pigeons and doves characteristics of male and female local high. The results showed qualitative characteristics pigeons local high male and female varied: head shape (type round, type jenong, and type turtledove), beak shape (type rambon and type taper), shape (type of banana bod and ball type), the type of hair (tenuous and short) and the frequency and timing of moving the highest relative to the local high pigeon is flying, while the mating behavior is investigate

    Well-Ordered Mesoporous Silica and Bioactive Glasses: Promise for Improved Hemostasis

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    Immediate control of uncontrolled bleeding and infection are essential for saving lives in both combat and civilian arenas. Inorganic well-ordered mesoporous silica and bioactive glasses have recently shown great promise for accelerating hemostasis and infection control. However, to date, there has been no comprehensive report assessing their specific mechanism of action in accelerating the hemostasis process and exerting an antibacterial effect. After providing a brief overview of the hemostasis process, this review presents a critical overview of the recently developed inorganic mesoporous silica and bioactive glass-based materials proposed for hemostatic clinical applications and specifically investigates their unique characteristics that render them applicable for hemostatic applications and preventing infections. This article also identifies promising new research directions that should be undertaken to ascertain the effectiveness of these materials for hemostatic applications

    Inorganic Hemostats: The State-Of-The-Art and Recent Advances

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    Hemorrhage is the most common cause of death both in hospitals and on the battlefield. The need for an effective hemostatic agent remains, since all injuries are not amenable to tourniquet use. There are many topical hemostatic agents and dressings available to control severe bleeding. This article reviews the most commonly used inorganic hemostats, subcategorized as zeolite and clay-based hemostats. Their hemostatic functions as well as their structural properties that are believed to induce hemostasis are discussed. The most important findings from in vitro and in vivo experiments are also covered

    Micromechanical based model for predicting aged rubber fracture properties

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    Environmental aging induces a slow and irreversible alteration of the rubber material’s macromolecular network. This alteration is triggered by two mechanisms which act at the microscale: crosslinking and chain scission. While crosslinking induces an early hardening of the material, chain scission leads to the occurrence of dangling chains responsible of the damage at the macromolecular scale. Consequently, the mechanical behavior as well as the fracture properties are affected. In this work, the effect of aging on the mechanical behavior up to fracture of elastomeric materials and the evolution of their fracture properties are first experimentally investigated. Further, a modeling attempt using an approach based upon a micro-mechanical but physical description of the aging mechanisms is proposed to predict the mechanical and fracture properties evolution of aged elastomeric materials. The proposed micro-mechanical model incorporates the concepts of residual stretch associated with the crosslinking mechanism and a so-called “healthy” elastic active chain (EAC) density associated with chain scission mechanism. The validity of the proposed approach is assessed using a wide set of experimental data either generated by the authors or available in the literature
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