Radiation Protection
Mostrando 1-12 de 217 artigos, teses e dissertações.
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1. Gestantes podem ser submetidas a radiografias durante o tratamento odontológico?
As radiografias odontológicas são consideradas seguras para as mulheres grávidas em qualquer período da gestação
. Entretanto, o profissional deve utilizar todas as medidas de precaução: utilizar o avental de chumbo e o protetor de tireoide, utilizar filmes radiográficos ultrassensíveis (filme E) e de menor tempo de exposição e evitar ra
Núcleo de Telessaúde Espírito Santo. Publicado em: 12/06/2023
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2. Quais os cuidados devem ser tomados durante o tratamento odontológico de gestantes portadoras de anemia falciforme?
Gestação e anemia falciforme são duas condições especiais das quais o dentista precisa estar ciente para realizar com segurança o atendimento odontológico.
1. Estudos demonstram que o período mais seguro para tratamento em gestantes é durante o segundo trimestre de gestação
. A maioria dos tratamentos odontológicos pode ser reali
Núcleo de Telessaúde Espírito Santo. Publicado em: 12/06/2023
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3. Sunscreen lotions in the dermatological prescription: review of concepts and controversies
Abstract The skin is regularly exposed to several environmental aggressions, including solar radiation, whose biological effects can induce sunburn, dyschromia, skin aging and cancer. Among the photoprotection measures, sunscreens comprise a relevant part of the strategy aimed to prevent solar radiation damage and, for effective action, the patient must adhe
Anais Brasileiros de Dermatologia. Publicado em: 2022
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4. Evaluation of ex vivo melanogenic response to UVB, UVA, and visible light in facial melasma and unaffected adjacent skin,
Abstract Background: The independent role of solar radiation in the differential melanogenesis between melasma and adjacent skin is unknown. Objectives: To assess the melanogenic responses of skin with facial melasma and of the adjacent skin to UVB, UVA, and visible light, in an ex vivo model. Methods: This was a quasi-experimental study involving 22 pati
An. Bras. Dermatol.. Publicado em: 2020-12
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5. Dynamic Arrays Based on Magnetically Controlled Particles: Synthesis and Application
Growth mechanisms of dynamic granular arrays based on magnetically controlled particles are presented. Method of the external rotating magnetic field (ERMF), based on a dipole interaction of magnetic spherical Fe3O4 particles in highly ordered volume arrays is proposed and a design for its practical implementation is developed. The magnetic assembly can resu
Mat. Res.. Publicado em: 19/08/2019
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6. High frequency of cutaneous squamous cell carcinoma in Friesian Milchschaf sheep in Uruguay
RESUMO: Descreveram-se carcinomas de células escamosas (CCE) nas orelhas, pálpebras e olhos em cinco ovinos da raça Frisona Milchschaf em dois rebanhos de criação extensiva no Uruguai. A prevalência nos rebanhos foi de 2,12% e 2,53%. Macroscopicamente se observaram lesões focais ou multifocais, com aumento de volume, nodulares, verrucosas ou em placas
Pesq. Vet. Bras.. Publicado em: 02/05/2019
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7. Multifunctional photoprotection: corrective makeup for cutaneous dyschromias
The aim of this study was to develop and evaluate a corrective and photoprotective makeup for patients with dyschromias. An emulsion was prepared and pigment mixtures were incorporated in the formulation, producing five shades of corrective makeup: BEIGE (I, II, III), BRONZE and TAN. The sun protection factor (SPF) and UVA/UVB ratio of the corrective makeup
Braz. J. Pharm. Sci.. Publicado em: 08/04/2019
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8. Radiological protection in the perspective of health professionals exposed to radiation
RESUMO Objetivo: Avaliar o conhecimento que os profissionais de saúde têm sobre proteção radiológica e implementar ações educativas para promover um ambiente de trabalho seguro aos profissionais, pacientes e acompanhantes. Método: Estudo transversal exploratório, aplicando-se um questionário a 59 participantes de diferentes setores de um hospital
Rev. Bras. Enferm.. Publicado em: 2019-02
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9. RADIATION EXPOSURE DURING SPINE SURGERY USING C-ARM FLUOROSCOPY
RESUMO Objetivo: Avaliar a dose de radiação recebida pela equipe cirúrgica em cirurgias de coluna, incluindo entre aqueles que não são considerados trabalhadores com exposição ocupacional. Método: Todas as cirurgias de coluna realizadas num mesmo departamento num período de 12 meses foram avaliadas quanto à exposição dos cirurgiões, enfermeiro
Acta ortop. bras.. Publicado em: 2019-02
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10. Analysis of radioprotection and antimutagenic effects of Ilex paraguariensis infusion and its component rutin
DNA repair pathways, cell cycle checkpoints, and redox protection systems are essential factors for securing genomic stability. The aim of the present study was to analyze the effect of Ilex paraguariensis (Ip) infusion and one of its polyphenolic components rutin on cellular and molecular damage induced by ionizing radiation. Ip is a beverage drank by most
Braz J Med Biol Res. Publicado em: 16/07/2018
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11. The radiation protection role of heparin-SOD conjugate in irradiated mice
ABSTRACT Heparin-SOD conjugate (Hep-SOD) was prepared by modifying Cu,Zn-SOD with heparin. An acute radiation-induced mouse injury model was constructed to study the radiation protection effects of Hep-SOD conjugate. Fifty-six mice were randomly divided into seven groups: (I) normal control group; (II) irradiated control group; (III) positive control group (
Braz. J. Pharm. Sci.. Publicado em: 05/03/2018
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12. ZnS Nanocrystals as an Additive for Gamma-Irradiated Poly (Vinyl Chloride)
Zinc sulfide (ZnS) was synthesized by sonochemical method and nanoparticles with crystallite size around 2 nm were obtained. PVC containing ZnS nanoparticles at concentrations of 0.10; 0.30; 0.50; 0.7 and 1.00 wt% were gamma irradiated (60Co) at room temperature in air. No appreciable decrease in PVC Viscosity-Average Molar Mass (Mv) was observed for samples
Mat. Res.. Publicado em: 01/02/2018