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Key Documents

62661

Sigma-Aldrich

LR white resin

standard

Synonym(s):

Acryl resin LR white

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About This Item

CAS Number:
94188-59-7
MDL number:
MFCD00131541
UNSPSC Code:
12171500
NACRES:
NA.21

impurities

bisphenol A dimethyl acrylate resin

color

colorless to almost colorless

density

1.0 g/cm3

application(s)

hematology
histology

shipped in

wet ice

storage temp.

2-8°C

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Application

LR White Resin is a very low viscosity resin, non-toxic and suitable for various applications in both light and Electron Microscopy. Major advantage of LR White sections is that they show minimal non-specific staining. Sections of polymerized resin are hydrophilic, thus immunocytochemistry reagents easily penetrate into the section. Its low viscosity makes LR White an ideal tool for infiltrating plant tissues as well as decalcified bone and teeth.
Benzoyl peroxide (B5907) is specifically formulated as an initiator for these resins.

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Description
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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H317,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Carola Pritzkow et al.
Tree physiology, 40(2), 215-229 (2019-12-21)
Understanding which hydraulic traits are under genetic control and/or are phenotypically plastic is essential in understanding how tree species will respond to rapid shifts in climate. We quantified hydraulic traits in Eucalyptus obliqua L'Her. across a precipitation gradient in the
A Matsuno et al.
The Histochemical journal, 30(2), 105-109 (1999-04-07)
An improved new method for the simultaneous visualization of mRNA and encoded protein in LR White resin-embedded specimens is described. This pre-embedding electron microscopical in situ hybridization (procedure) localized rat growth hormone mRNA specifically as high electron-density products on the
Shuji Yamashita et al.
Journal of electron microscopy, 58(4), 267-279 (2009-04-01)
We have developed a new standardized method for the post-embedding immunoelectron microscopy using the same fixation, antigen retrieval and image contrasting procedures. Tissues were fixed with 4% formaldehyde containing 2.5 mM CaCl(2), 1.25 mM MgCl(2) in a 0.1 M 4-(2-hydroxyethyl)-piperazineethanesulfonic
Salem S Ghrebi et al.
Microscopy research and technique, 70(7), 555-562 (2007-03-24)
The staining of intracellular antigenic sites in postembedded samples is a challenging problem. Deterioration of antigenicity and limited antibody accessibility to the antigen are commonly encountered on account of processing steps. In this study preservation of the antigen was achieved
A A Al-Hazzaa et al.
The Histochemical journal, 30(12), 897-902 (1999-04-01)
A series of techniques based on LR White resin are described, which permit the use of an anti-histone antibody for the in situ localization of DNA fragmentation characteristic of apoptosis at both the light and the electron microscope level. The
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