نتایج جستجو برای: surgical sponges
تعداد نتایج: 335975 فیلتر نتایج به سال:
Abstract Nanosponges are subject of intensive research due to their unique morphology, which leads among other effects electrodynamic field localization generating a strongly nonlinear optical response at hot spots and thus enable variety applications. Accurate predictions physical properties require detailed knowledge the sponges’ chaotic nanometer-sized structure, posing metrological challeng...
BACKGROUND Hemorrhage is the leading cause of preventable posttraumatic death. Many such deaths may be potentially salvageable with remote damage-control surgical interventions. As recent innovations in information technology enable remote specialist support to point-of-care providers, advanced interventions, such as remote damage-control surgery, may be possible in remote settings. METHODS A...
PURPOSE Evaluating cytokine profiles in tears could shed light on the pathogenesis of various ocular surface diseases. When collecting tears with the methods currently available, it is often not possible to avoid the tear reflex, which may give a different cytokine profile compared to basal tears. More importantly, tear collection with glass capillaries, the most widely used method for taking s...
OBJECTIVES Local antibiotic delivery is a viable and attractive option for preventing infection. Unfortunately, the current options are limited and often necessitate surgical removal. This study evaluates the ability of a biodegradable and biocompatible chitosan sponge to minimize infection by delivering local antibiotics within the wound. METHODS A complex musculoskeletal wound was created o...
BACKGROUND Osteoblastoma is a rare and benign osteoid-producing primary bone tumor that affects mainly the long bones. 36% of these tumors are observed around the spine and the vast majority arises around the posterior. CASE PRESENTATION This report describes a case of C3-4 osteoblastoma occurring in a 5-year-and-8-month-old Han Chinese child. The pathophysiology of symptom development, evalu...
The prokaryotic community composition of the ecologically dominant sponge, Xestospongia muta, and the variability of this community across in different populations of sponges from the Caribbean and Bahamas were quantified using 454 pyrosequencing of the 16S rRNA gene. The symbiotic prokaryotic communities of X. muta were significantly different than the surrounding bacterioplankton communities ...
Sponges are an important component of benthic ecosystems in New Zealand, and as suspension feeders they can process large volumes of water meaning that their interaction with the water column is likely to be of great importance. Our research focuses on the functional role of sponges as suspension feeders in temperate rocky subtidal ecosystems on the Wellington South Coast, New Zealand. We inves...
Different forms of biomaterials, including microspheres, sponges, hydrogels and nanofibres have been broadly used in cartilage regeneration; however, effects of internal structures of biomaterials on chondrogenesis of mesenchymal stem cells (MSCs) remain largely unexplored. Here we investigated the effect of physical microenvironments of sponges and hydrogels on chondrogenic differentiation of ...
OBJECTIVES The purpose of this study is to retrospectively evaluate the postoperative complication rates for absorbable type-I collagen sponge (Ateloplug; Bioland) use in third molar extraction. MATERIALS AND METHODS From January to August 2013, 2,697 total patients undergoing third molar extraction and type-I collagen sponge application in the Department of Oral and Maxillofacial Surgery at ...
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