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Hemacolor stain set

Manufactured by Merck Group
Sourced in United States

The Hemacolor stain set is a laboratory product used for staining blood smears to facilitate the microscopic examination of blood cells. It consists of a set of reagents that stain the different cellular components of blood, enabling the identification and analysis of various blood cell types.

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4 protocols using hemacolor stain set

1

Quantifying Cell Invasion Capacity

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5 × 104 cells were resuspended in serum-free and glucose-free DMEM and seeded into the interior of BD BioCoat Matrigel Invasion inserts (n=3/group). Once the cells were seeded, DMEM supplemented with 20% FBS was placed into the lower well as the chemoattractant. After 22 h incubation, non-invasive cells were removed from the upper surface, and the remaining cells were stained with crystal violet or the Hemacolor stain set (EMD Millipore) and then quantified.
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2

Matrigel Invasion Assay for Cell Migration

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In total 5 × 104 cells were resuspended in serum-free and glucose-free DMEM and seeded into the interior of BD BioCoat Matrigel Invasion inserts (n = 3/group). Once the cells were seeded, DMEM supplemented with 20% FBS was placed into the lower well as the chemoattractant. After 22 h incubation, non-invasive cells were removed from the upper surface, and the remaining cells were stained with crystal violet or the Hemacolor stain set (EMD Millipore, Burlington, MA, USA) and then quantified.
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3

Cell Migration and Invasion Assay

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For our migration assay, HCT-116 cells (2 × 105 cells) in 100 μl of OPTI-MEM (Gibco, 51985034) were plated into a 0.8-μm pore sized 24-well Transwell inserts (Corning, 3422) and 600 μl of OPTI-MEM with 10% FBS was added to a lower chamber. For invasion assay, Transwell inserts were coated with 10% Matrigel (Corning, 356231) before cell seeding. After 24 hours, cells were stained with Hemacolor Stain Set (Sigma-Aldrich, 65044) according to manufacturer’s instruction. Non-migrating or -invading cells were removed using a wet cotton swab from the top surface of membrane. Images of migrating or invading cells on the bottom surface of membrane were captured on 100× fields (Olympus, IX71). Cell numbers were counted in at least six fields per insert from four independent experiments.
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4

Differential Staining of Cervical Smears

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Cervical smears collected throughout the observation period were differentially stained with Hemacolor Stain Set according to the manufacturer’s protocol (Sigma-Aldrich, Burlington, MA). PMNs were counted in five nonadjacent high-power fields (400x) and averaged.
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