Nanoporous layered silicate/polymer composite membranes are of interest because they can exploit the high aspect ratio of exfoliated selective flakes/layers to enhance molecular sieving and create a highly tortuous transport path for the slower molecules. In this work, we combine membrane synthesis, detailed microstructural characterization, and mixed gas permeation measurements to demonstrate ...

The cytodiagnostic acridine orange (AO) fluorescence microscope method was applied to exfoliated material from 4348 cases. The method utilizes increased amounts of cytoplasmic ribonucleic acid (RNA) in malignant cells to demonstrate them in brilliant orange and red fluorescence colors. Scanning smears under low magnification readily revealed the presence of cells with increased fluorescence. Us...

Flow cytometry was used to detect and quantify expression of a urothelial differentiation antigen (Om5) and nuclear DNA in exfoliated epithelial cells of the urinary bladder from 15 patients with nonpapillary carcinoma in situ during and after intravesical therapy with Bacillus Calmette-Guérin (BCG). Before BCG treatment exfoliated cells reacting with the mouse monoclonal antibody Om5 were foun...

The purpose of the study was to explore the potential of direct exfoliated colonocyte collection from human rectal mucosa for colorectal cancer screening. A special device was designed for standardized collection of exfoliated cells from the surface of human rectal mucosa. Material was collected from 120 outpatients selected for colonoscopy and 36 patients with confirmed diagnosis of colorectal...

Two-dimensional (2D) nanomaterials constitute one of the most advanced research targets in materials science and engineering this century. Among various methods for synthesis 2D nanomaterials, including top-down exfoliation bottom-up crystal growth, chemical has been widely used to yield monolayers layered compounds, such as clay minerals, transition metal chalcogenides (TMDCs), oxides, long be...

4,4'-Methylene-bis(2-chloroaniline) (MOCA) is an aromatic amine used widely in industry, and human exposure to this compound is well documented. MOCA induces lung and liver tumors in rodents and urinary bladder tumors in dogs, and it is regarded as a suspect urinary bladder carcinogen in humans. In this pilot study, we investigated the occurrence of MOCA-DNA adducts in exfoliated urothelial cel...

The layered trirutile phases HMWO6 (M = Nb, Ta) and the layered perovskite H2W2O7 (synthesized by acid leaching of Bi2W2O9) were exfoliated into nanoscale colloids by reaction with quaternary ammonium hydroxides.

Introduction Extra-anastomotic intraluminal recurrence of the colon cancer after curative surgery was rarely reported but intraluminal ileal relapse has not been described to date.We report a case of intraluminal ileal tumor arising after curative right hemicolectomy that could be ascribed to an implantation of exfoliated cancer cells. Case report A 71-years old man was admitted with no metas...

Ultrathin topological insulator nanostructures, in which coupling between top and bottom surface states takes place, are of great intellectual and practical importance. Due to the weak van der Waals interaction between adjacent quintuple layers (QLs), the layered bismuth selenide (Bi(2)Se(3)), a single Dirac-cone topological insulator with a large bulk gap, can be exfoliated down to a few QLs. ...