Objectives The aim of this study was to compare the sensitivity of acetate tape impression with skin squeezing and superficial skin scraping methods for the diagnosis of burrowing mites ( Notoedres cati) in cats. Methods Samples were collected from 50 cats showing signs of notoedric mange. The most affected region was selected for sampling using acetate tape impression with skin squeezing, and superficial skin scraping. Results No significant difference was observed in the number of mites found by both methods, regardless of the stage of development of the mite. The tests showed a high correlation to the total number of mites (r = 0.928). However, in two animals it was possible to confirm the presence of N cati only by the acetate tape impression test. Conclusions and relevance We conclude that the acetate tape impression test is a good method for confirming the presence of N cati in cats. In our experience, this technique is as sensitive as superficial skin scraping, even in animals presenting with a low infestation. Moreover, the technique is less traumatic and allows the collection of clinical specimens in more sensitive locations, such as the eyelids, lips and paws.
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http://dx.doi.org/10.1177/1098612X16632279 | DOI Listing |
When performing X-ray diffraction (XRD) analysis of small powder sample volumes with the Bragg-Brentano setup, choosing an appropriate sample preparation method is important. This work provides practical information on the conventional top dusted sample preparation method and the top dusted adhesive tape sample preparation method. In the latter, the powder of interest is dusted onto an adhesive tape.
View Article and Find Full Text PDFPolymers (Basel)
August 2024
College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, China.
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December 2024
Private Practice, Pembroke Pines, Florida, USA.
Fingerprints are created by elevations and depressions on the fingertip pads. Each person has their own unique fingerprints, which can be used in the identification of that individual when alive, during the immediate postmortem period, or even after the digits have become mummified. Mummification can occur naturally; it can be partial (such as localized to only the hands and feet), extensive, or complete.
View Article and Find Full Text PDFPLoS One
May 2024
U.S. Environmental Protection Agency, Office of Research and Development, Research Triangle Park, NC, United States of America.
Ricin is a highly toxic protein, capable of inhibiting protein synthesis within cells, and is produced from the beans of the Ricinus communis (castor bean) plant. Numerous recent incidents involving ricin have occurred, many in the form of mailed letters resulting in both building and mail sorting facility contamination. The goal of this study was to assess the decontamination efficacy of several commercial off-the-shelf (COTS) cleaners and decontaminants (solutions of sodium hypochlorite [bleach], quaternary ammonium, sodium percarbonate, peracetic acid, and hydrogen peroxide) against a crude preparation of ricin toxin.
View Article and Find Full Text PDFRSC Adv
March 2024
State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Electronics and Information Engineering, Shenzhen University Shenzhen 518060 China.
Chemical sensors have a wide range of applications in a variety of industries, particularly for sensing volatile organic compounds. This work demonstrates the fabrication of a chemical sensor based on graphene deposited on Cu foils using low-pressure chemical vapor deposition, following its transfer on oxidized silicon through a wet etching method. Scanning electron microscopy, Raman spectroscopy and UV-vis spectroscopy of the transferred graphene were performed.
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