ALDEHYDE FIXATIVES Flashcards
gas produced from the oxidation of methanol
formalin/formaldehyde
buffer for formalin/formaldehyde
phosphate buffer to pH7
remedy for prolonged storage of 10% formalin
filtration/addition of 10% methanol
fixation id CNS tissues and general post mortem tissues for histochemical examination
10% formol saline/microanatomical fixative
ideal for silver imoregnation techniques
10% formol saline/microanatomical fixative
best fixative for iron containing pigment/ elastic fibers
10% neutral buffered formalin or phosphate buffered formalin
contains mercuric chloride
formal corrosive (formol sublimate)
silver reticulin methods
formal corosive (formol sublimate)
best/recommended routine fixative in histopathology
10% neutral buffered formalin or phosphate buffered fomalin
other terms for Gendre’s
alcoholic formalin/alcoholic bouin
good for glycogen microincineration techniques
Gendre’s/ alcoholic formalin
fixes sputum
gendre’s/alcoholic formalin/alcoholic bouin
acts similarly to formalin
glutaraldehyde
recommended for enzyme histochem/electron microscopy
glutaraldehyde
better preservation of cellular and fluid proteins
glutaraldehyde
more pleasant and less irritating but expensive
glutaraldehyde
glutaraldehyde for
small tx fragement; large tx
2.5%; 4%
specimen of this fixative should be refrigerated and bawal mainitan
glutaraldehyde
polymer of formalin in white powder form
paraformaldehyde
used in thin and ultrathin section for plastic embedding; can be used for Electron Microscopy
Paraformaldehyde