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56822

Sigma-Aldrich

Immersion oil

for microscopy

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Synonym(s):
immersion medium for light microscopy
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.47

biological source

synthetic

Quality Level

grade

for microscopy

form

liquid

refractive index

n20/D 1.516

viscosity

100-120 mPa.s(20 °C)

density

1.025 g/mL at 20 °C

application(s)

hematology
histology

storage temp.

room temp

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General description

Immersion oil is a clear, viscous liquid with optimized refractive properties, specifically modified to approximate the refractive index of glass as closely as possible. It is used in conjunction with an objective lens to enhance the resolving power.

Application

Immersion oil is used for high-resolution (1000X) light microscopy work in conjunction with an oil immersion objective lens to optimize microscopic examinations of histological, cytological, hematological, and bacterial specimen material after it has been fixed, embedded, stained, or counterstained, and mounted.

Principle

Immersion oil is a clear, viscous liquid with optimized refractive properties, specifically modified to closely approximate the refractive index (RI) of glass (ne = 1.5). It is applied dropwise to stained and mounted or non-mounted specimen material to form a clear film between the specimen and the microscope lens to eliminate the deflection of incident light and thus substantially enhance the optical efficiency of the lens.

Pictograms

Environment

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 2

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品

Certificates of Analysis (COA)

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Thomas P Burghardt et al.
Applied optics, 48(32), 6120-6131 (2009-11-12)
Total internal reflection fluorescence (TIRF) microscopy uses the evanescent field on the aqueous side of a glass/aqueous interface to selectively illuminate fluorophores within approximately 100 nm of the interface. Applications of the method include epi-illumination TIRF, where the exciting light
P L Appleton et al.
Journal of microscopy, 234(2), 196-204 (2009-04-29)
Visualizing overall tissue architecture in three dimensions is fundamental for validating and integrating biochemical, cell biological and visual data from less complex systems such as cultured cells. Here, we describe a method to generate high-resolution three-dimensional image data of intact

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