Exfoliative Cytology
Exfoliative Cytology - Related Videos
07:01
Impression Cytology of the Lid Wiper Area
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Cited by 3 •
2016
We collected, stained and imaged cells from the conjunctiva of the inner eyelid margin of human subjects. By characterizing cell morphology and metabolic activity, this method may further our understanding of dry eye and the role that friction between the ocular surfaces may play in perceiving ocular discomfort.
08:54
Synthesis and Exfoliation of Discotic Zirconium Phosphates to Obtain Colloidal Liquid Crystals
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Cited by 3 •
2016
A two dimensional model material of discotic zirconium phosphate was developed. The inorganic crystal with lamellar structure was synthesized by hydrothermal, reflux, and microwave-assisted methods. On exfoliation with organic molecules, layered crystals can be converted to monolayers, and nematic liquid crystal phase was formed at sufficient concentration of monolayers.
08:09
Tubal Cytology of the Fallopian Tube as a Promising Tool for Ovarian Cancer Early Detection
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Cited by 11 •
2017
We explored a tubal cytologic method by sampling the fallopian tube directly post-surgical excision as a tool of ovarian cancer early detection. Here, we present a protocol to collect fallopian tube cells from freshly received surgical specimens.
12:04
Exfoliation of Egyptian Blue and Han Blue, Two Alkali Earth Copper Silicate-based Pigments
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Cited by 34 •
2014
The preparation and exfoliation of CaCuSi4O10 and BaCuSi4O10 are described. Upon stirring in hot water, CaCuSi4O10 spontaneously exfoliates into monolayers, whereas BaCuSi4O10 requires ultrasonication in organic solvents. Near infrared (NIR) imaging illustrates the NIR emission properties of these materials, and aqueous dispersions of these nanomaterials are useful for solution processing.
02:50
Papanicolaou Staining: A Technique to Visualize the Cytological Features of Tubal Cells
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2025
In this video, we demonstrate a modified protocol of Papanicolaou staining to study tubal cytology. This technique can be used to visualize the cytological features of malignant and non-malignant fallopian tube epithelial cells.
FAQs
Interpretation centers on nuclear size, chromatin, cell arrangement, and differentiation. Abnormalities in these features can provide evidence of dysplasia or malignancy, while the combination of findings helps characterize the cellular pattern rather than relying on a single visual change. In cancer research, these observations support assessment of abnormal epithelial transformation and contribute to disease classification.
Fixation preserves collected cells for microscopic examination, while staining makes cellular structures and abnormalities easier to evaluate. These preparation steps follow smearing or concentration of the specimen and precede microscopy, creating a consistent sequence for examining nuclear features, chromatin, arrangement, and differentiation. Their role is especially important when cellular findings are used for diagnostic test performance studies.
The method supplies cellular evidence from epithelial surfaces and related specimens, allowing investigators to examine patterns associated with dysplasia, malignancy, and altered differentiation. Because samples can be assessed microscopically, researchers can relate visible cellular abnormalities to disease classification and investigate changes relevant to tumor development without relying only on broader clinical observations.
A typical workflow begins by collecting cells through natural shedding or gentle scraping, brushing, or washing. The sample is then smeared directly or concentrated before fixation and staining. Microscopic examination follows, focusing on nuclear size, chromatin, cell arrangement, and differentiation. This sequence converts a collected cellular specimen into material suitable for evaluating abnormalities.
Applications described for this approach include cervical, respiratory, urinary, and body-fluid specimens. These sources extend cellular examination across several epithelial or fluid-associated settings relevant to cancer research. Comparing findings among specimen types supports screening, early detection, and disease classification, while also providing material for evaluating how diagnostic tests perform in different research contexts.
Exfoliative cytology can support early detection, disease classification, and monitoring, rather than serving only as a screening approach. Repeated or context-specific cellular assessments can contribute evidence about abnormal changes and disease status. In research, the same observations also help evaluate diagnostic test performance and provide cellular data for studying tumor development.