Results: 122

Microemulsions Improve Topical Protoporphyrin IX (PpIX) Delivery for Photodynamic Therapy of Skin Cancer

Abstract We report here microemulsions (MEs) for topical delivery of protoporphyrin IX (PpIX) for Photodynamic Therapy (PDT) of skin cancers. Selected MEs consisting of Oil/Water (O/W) bicontinuous (BC) and Water/Oil (W/O) preparations were characterized as to pH, nanometric size, zeta potential, drug co...

Evaluation of different composite resin finishing and polishing protocols by confocal laser scan microscopy

Braz. j. oral sci; 21 (), 2022
Aim This study aimed to analyze the influence of finishing and polishing (F/P) protocols on resin surface through roughness (Ra) values and laser scan microscopy observations. Methods Forty-eight (n=48) resin specimens were sorted into four groups (n=12), according to the type of resin used: Filtek Z2...

Low-dose cisplatin exposure and SNAIL, Vimentin, E-cadherin expression in HEPG2 cell line

Cisplatin, the first platinum compound approved for cancer treatment, is widely used in the treatment of various cancers including hepatocellular carcinoma (HCC). HCC incidence rates rise globally. Epithelial mesenchymal transition (EMT) is implicated in cancer invasion and metastasis, which are associat...

Cuerpos extraños intracorneales retenidos
Retained intracorneal foreign bodies

Rev. cuba. oftalmol; 35 (2), 2022
Los cuerpos extraños constituyen la segunda forma más común de traumatismos corneales. Pueden localizarse superficiales o intracorneales. Se realiza presentación de caso de paciente con cuerpos extraños intracorneales retenidos de 34 años de evolución secundario a trauma por onda expansiva, con el...

Displasia epitelial corneal
Corneal epithelial dysplasia

Rev. cuba. oftalmol; 35 (2), 2022
Las neoplasias intraepiteliales córneo-conjuntival son lesiones premalignas, mal delimitadas, de crecimiento lento y escaso potencial de malignización. Solo el 9 por ciento progresa a carcinoma invasor de células escamosas. Posee varias formas de presentación y tiene múltiples dilataciones vasculare...

A Selective Fluorescent Probe for the Determination and Imaging of Fluoride in Living Cells

Abstract Fluoride anions are indispensable trace elements required for sustaining life. To investigate the homeostasis and action of fluoride in the body, a new highly sensitive and selective fluorescence detection method was designed for fluoride in aqueous solutions. A fluorescent probe for fluoride (F...

Endotelitis por citomegalovirus y su diagnóstico mediante la microscopia confocal
Cytomegalovirus endotheliitis and its diagnosis by confocal microscopy

Rev. cuba. oftalmol; 34 (4), 2021
Objetivo: Describir las características del endotelio corneal por microscopia confocal en pacientes con lesiones basofílicas de inclusión como patognomónicas de endotelitis por citomegalovirus. Métodos: Se realizó un estudio observacional de casos clínicos en pacientes con diagnóstico de endoteli...

Dentin bond strength evaluation between a conventional and universal adhesive using etch-and-rinse strategy

Braz. j. oral sci; 20 (), 2021
Aim: The aim of this study was to compare the microtensile bond strength (μTBS) and the characteristics of the adhesive interface of Scotchbond Universal - SU – etch-and-rise mode (3M ESPE) and Adper Scotchbond Multi-Purpose - MP (3M ESPE) to dentin over time. Methods: Class I cavity preparations were...

Effect of ethanol-conditioned dentine on sealer penetration into dentinal tubules: a confocal microscopy study

Braz. j. oral sci; 20 (), 2021
Aim: The aim of this study was to evaluate the effect of ethanol-conditioned dentin on endodontic sealer penetration into dentinal tubules by confocal laser scanning microscopy (CLSM). Methods: Forty human maxillary anterior teeth were instrumented and divided into four groups (n = 10) according to the d...

Bowen's disease of the penile shaft presenting as a pigmented macule: dermoscopy, reflectance confocal microscopy and histopathological correlation,

An. bras. dermatol; 96 (5), 2021
Abstract The penile localization of pigmented Bowen's disease has been rarely reported and has been mostly related to human papillomavirus infection. Early diagnosis and treatment are important to prevent progression to invasive squamous cell carcinoma. However, diagnosis can be challenging because it ma...