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Artificial nails

M Chmielnicki, A Prokop
Tibial shaft fractures are among the most common long bone fractures in humans. The incidence is 1-2 per 100,000. The gold standard of treatment for AO type 42 A-C fractures is a locking intramedullary nail. The development of new implants has extended the indications for this minimally invasive technique, so that now AO types 41 and 43 can also be treated with special nails. Fixed-angle screw anchors increase primary stability and supplemental locking devices located proximally and distally extend the spectrum of use to metaphyseal fractures...
October 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
Predrag Grubor, Milorad Mitković, Milan Grubor, Milan Mitković, Luigi Meccariello, Gabriele Falzarano
INTRODUCTION: Artificial models can be useful at approximate and qualitative research, which should give the preliminary results. Artificial models are usually made of photo-elastic plastic e.g.. juvidur, araldite in the three-dimensional contour shape of the bone. Anatomical preparations consist of the same heterogeneous, structural materials with extremely anisotropic and unequal highly elastic characteristics, which are embedded in a complex organic structure. THE AIM OF THE STUDY: Examine the budget voltage and deformation of: dynamic compression plate (DCP), locking compression plate (LCP), Mitkovic internal fixator (MIF), Locked intramedullary nailing (LIN) on the compressive and bending forces on juvidur and veal bone models and compared the results of these two methods (juvidur, veal bone)...
July 16, 2016: Acta Informatica Medica: AIM
Meghna Bajaj, P Poornima, S Praveen, N B Nagaveni, K B Roopa, I E Neena, K P Bharath
OBJECTIVES: To compare CPP-ACP, Tri-calcium phosphate and Hydroxyapatite on remineralization of artificial caries like lesions on primary enamel. STUDY DESIGN: Ten extracted Primary molars coated with nail varnish, leaving a window of 2×4 mm on buccal and lingual surface were immersed in demineralizing solution for 96 hours and sectioned longitudinally to obtain 40 sections (4 sections per tooth) and were randomly divided into 4 groups (A to D) n=10; Group A: negative control, Group B: CPP-ACP, Group C: Tri-calcium phosphate, Group D: Hydroxyapatite...
2016: Journal of Clinical Pediatric Dentistry
Selcuk Savas, Fevzi Kavrìk, Ebru Kucukyìlmaz
OBJECTIVE: The aim of this study was to evaluate the efficacy of CPP-ACP containing fluoride varnish for remineralizing white spot lesions (WSLs) with four different quantitative methods. MATERIAL AND METHODS: Four windows (3x3 mm) were created on the enamel surfaces of bovine incisor teeth. A control window was covered with nail varnish, and WSLs were created on the other windows (after demineralization, first week and fourth week) in acidified gel system. The test material (MI Varnish) was applied on the demineralized areas, and the treated enamel samples were stored in artificial saliva...
May 2016: Journal of Applied Oral Science: Revista FOB
Patrick Schmidlin, Katja Zobrist, Thomas Attin, Florian Wegehaupt
OBJECTIVES: To assess the re-hardening potential of enamel matrix derivatives (EMD) and self-assembling peptides in vitro, hypothesizing that these materials may increase the mineralization of artificial carious lesions and improve hardness profiles. MATERIAL AND METHODS: Forty-eight enamel samples were prepared from extracted bovine lower central incisors. After embedding and polishing, nail varnish was applied, leaving a defined test area. One third of this area was covered with a flowable composite (non-demineralized control)...
January 2016: Journal of Applied Oral Science: Revista FOB
Anja Täuber, Christel C Müller-Goymann
The in vitro efficacy of poloxamer 407-based formulations with antifungal ciclopirox olamine has been analysed in an infected nail plate model. As artificial nail plates, keratin films made of human hair keratin and slices from bovine hooves have been utilised. Several poloxamer 407-based formulations with 1 % active ingredient indicated complete growth inhibition of the dermatophyte fungus Trichophyton rubrum after 6days of incubation.
May 30, 2016: International Journal of Pharmaceutics
R Baran, S Goettmann, J André
Cosmetic embellishment of fingernails involves the use of substance that harden either after the evaporation of solvents (varnishes) or after polymerisation (artificial acrylic nails, gel tips, glue-on artificial nails). Pathological reactions to cosmetics usually occur at a remote site for varnishes, and, most commonly, in situ with polymerising substances. Unvarnished artificial nails do not affect pulse oximetry readings, and in theory, patients are not required to remove them. However, a real problem of contamination via artificial nails exists...
May 2016: Annales de Dermatologie et de Vénéréologie
Seyed Ali Tabatabaei, Shokoufeh Modanloo, Arezoo Mohammadkhani Ghiyasvand, Abolghasem Pouryani, Mohammad Soleimani, Seyed Mehdi Tabatabaei, Ahmad Reza Pakrah, Hamideh Masarat
AIM: To report the frequency, associated risk factors and characteristics of cases referred to Farabi Eye Hospital with ocular superglue injuries. METHODS: In a descriptive cross-sectional study conducted between December 2012 and February 2013, patients with ocular superglue injuries were evaluated. Age, sex, educational level, location, time, mechanism, type, site and time of eye injury were gathered through interview using a customized questionnaire. All participants had given consent to undergo thorough eye examination...
2016: International Journal of Ophthalmology
Luiza Ferreira Vieira dʼAlmeida, Robertha Nakamura
No abstract text is available yet for this article.
March 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Jayoung Kim, Thomas N Cho, Gabriela Valdés-Ramírez, Joseph Wang
This article demonstrates an example of a wearable chemical sensor based on a fingernail platform. Fingernails represent an attractive wearable platform, merging beauty products with chemical sensing, to enable monitoring of our surrounding environment. The new colorimetric pH fingernail sensor relies on coating artificial nails with a recognition layer consisted of pH indicators entrapped in a polyvinyl chloride (PVC) matrix. Such color changing fingernails offer fast and reversible response to pH changes, repeated use, and intense color change detected easily with naked eye...
April 1, 2016: Talanta
Lutfi Al-Kathiri, Abla Al-Asmaili
Onycholysis is the detachment of the nail plate from the nail bed. If drug-induced, it can be an isolated phenomenon, but it may also accompany or follow a cutaneous phototoxicity reaction due to drug intake and exposure to ultraviolet irradiation. Photo-onycholysis is a rare photosensitivity reaction due to exposure to either a natural or artificial source of light. Many drugs are responsible for this phototoxic reaction, especially tetracyclines, psoralens, chloramphenicol, non-steroidal anti-inflammatory drugs, fluoroquinolones, and, rarely, doxycycline...
January 2016: Oman Medical Journal
Martin J L Bucx, Piet Krijtenburg
No abstract text is available yet for this article.
March 2016: European Journal of Anaesthesiology
Noemi Kelemen, Eleni Karagergou, Sarah L Jones, Andrew N Morritt
Artificial (acrylic) nails are popular cosmetic enhancements that provide the user with the appearance of manicured nails, do not chip or crack, and are generally considered very safe to apply. We report three cases where full thickness thermal burns were sustained from nail glue adhesive (cyanoacrylate) during the application of artificial nails. All three cases underwent surgical debridement and split skin graft reconstruction. We carried out an experiment to characterize the exothermic reaction between nail glue and cotton leggings...
June 2016: Burns: Journal of the International Society for Burn Injuries
Maria Nakamura, Yuichi Kitasako, Syozi Nakashima, Alireza Sadr, Junji Tagami
PURPOSE: To evaluate the influence of brushing using toothpastes marketed under different categories on abrasion of sound and eroded enamel in vitro at nanometer scale using a white light interferometer (WLI). METHODS: Enamel surface of resin-embedded bovine incisors were fine polished with diamond slurry and divided into testing area (approximately 2 mm x 4 mm) and reference area using a nail varnish. The enamel specimens were randomly assigned to 10 groups (n = 10 each); six of which were subjected to erosive challenge...
October 2015: American Journal of Dentistry
B M Piraccini, A Alessandrini, M Magnano, C Vincenzi, A Patrizi
No abstract text is available yet for this article.
December 2015: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
Anja Täuber, Christel C Müller-Goymann
Fungal infections of skin and/or nails are common diseases resulting in major challenges in topical treatment. Therefore, the objective of the present study was to develop a dermal formulation targeting both tinea pedis and onychomycosis. The antifungal agent ciclopirox olamine (CPX) was incorporated into a variety of poloxamer 407-based formulations and analysed regarding its in vitro permeation and penetration behaviour across keratin films (KF) and bovine hoof plates as artificial nail models as well as human stratum corneum (SC)...
July 15, 2015: International Journal of Pharmaceutics
M Windolf, M F Fischer, A W Popp, R Matthys, K Schwieger, B Gueorguiev, J B Hunter, T F Slongo
End caps are intended to prevent nail migration (push-out) in elastic stable intramedullary nailing. The aim of this study was to investigate the force at failure with and without end caps, and whether different insertion angles of nails and end caps would alter that force at failure. Simulated oblique fractures of the diaphysis were created in 15 artificial paediatric femurs. Titanium Elastic Nails with end caps were inserted at angles of 45°, 55° and 65° in five specimens for each angle to create three study groups...
April 2015: Bone & Joint Journal
Mark D Borysiak, Kevin W Kimura, Jonathan D Posner
Nucleic acid amplification tests are the gold standard for many infectious disease diagnoses due to high sensitivity and specificity, rapid operation, and low limits of detection. Despite the advantages of nucleic acid amplification tests, they currently offer limited point-of-care (POC) utility due to the need for complex instruments and laborious sample preparation. We report the development of the Nucleic Acid Isotachophoresis LAMP (NAIL) diagnostic device. NAIL uses isotachophoresis (ITP) and loop-mediated isothermal amplification (LAMP) to extract and amplify nucleic acids from complex matrices in less than one hour inside of an integrated chip...
April 7, 2015: Lab on a Chip
Magdalena Golasik, Wojciech Jawień, Agnieszka Przybyłowicz, Witold Szyfter, Małgorzata Herman, Wojciech Golusiński, Ewa Florek, Wojciech Piekoszewski
The etiology of cancer is complex, and the disturbances in toxic and essential metals homeostasis are among many of the factors that lead to the development of malignancy. The aim of this study is to investigate the relationship between cancer risk and element status as well as cancer risk and external factors, such as diet, smoking and drinking habits, in order to support diagnosis of cancer. The samples of hair and nails obtained from patients with larynx cancer and healthy subjects were analyzed. Essential elements (Ca, Cr, Mg, Zn, Cu, Mn, and Fe), besides toxic metals (Cd, Co, and Pb), were determined using inductively coupled plasma atomic emission spectrometry (ICP-OES) and mass spectrometry (ICP-MS) techniques...
March 2015: Metallomics: Integrated Biometal Science
Wolfgang Uter, Johannes Geier
BACKGROUND: Allergic contact dermatitis caused by (meth)acrylates used in artificial nails is a relevant problem in both nail artists and consumers. OBJECTIVE: To analyse the frequency of this problem in the contact allergy surveillance network Information Network of Departments of Dermatology in 2004-2013, and address possible time trends and patterns of co-sensitization. METHODS: A retrospective analysis of patch test results with (meth)acrylates, along with clinical and demographic data, was performed...
April 2015: Contact Dermatitis
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