What is meant by heat-labile?
In chemistry, the lability of a compound pertains to the capability of that substance to undergo a change. Thus, the term heat-labile describes one that is capable of changing or destruction when subjected to heat. The enterotoxin produced by Escherichia coli is heat-labile.
What does heat-la·bile mean?
(hēt'lā'bīl), Destroyed or altered by heat. Farlex Partner Medical Dictionary © Farlex 2012 heat-la·bile (hēt'lā'bīl) Destroyed or altered by heat. Medical Dictionary for the Health Professions and Nursing © Farlex 2012
What is heat-labile toxin?
Heat-labile toxin (LT) is a well-characterized powerful enterotoxin produced by enterotoxigenic Escherichia coli (ETEC). This toxin is known to contribute to diarrhea in young children in developing countries, international travelers, as well as many different species of young animals.
What is the medical term for destroyed by heat?
(hēt'lā'bīl) Destroyed or altered by heat. Medical Dictionary for the Health Professions and Nursing © Farlex 2012 heat-labile (het'la'bil?, 'bil) Easily changed or destroyed by heat; unstable. Synonym: thermolabile Medical Dictionary, © 2009 Farlex and Partners heat-labile destroyable by heat.
What do you mean by labile?
Definition of labile 1 : readily or continually undergoing chemical, physical, or biological change or breakdown : unstable a labile mineral. 2 : readily open to change has so labile a face that some of her scenes …
What is a heat-labile toxin?
Heat-labile toxin (LT) is a well-characterized powerful enterotoxin produced by enterotoxigenic Escherichia coli (ETEC). This toxin is known to contribute to diarrhea in young children in developing countries, international travelers, as well as many different species of young animals.
What does heat stable mean?
Heat stability is the property of a molecule to retain its three dimensional structure intact in high ambient temperatures.
Does labile mean unstable?
The definition of the word 'labile' is “readily or continually undergoing chemical, physical, or biological change or breakdown“, in other words, unstable.
Are all proteins heat-labile?
Although most proteins are heat-labile, some proteins are known to be stable even at the boiling temperature of water. For example, proteins from many hyperthermophilic organisms are heat-stable with extremely high Tm values relative to their mesophilic counterparts ( 2, 3).
How do you sterilize heat-labile solutions?
A process for sterilizing heat-labile material using steam in an autoclave. In the first phase of the process, air in the autoclave is replaced by steam. This step also preheats the autoclave. In the second phase of the process, the material is sterilized in the presence of moisture.
How do you heat stabilize wine?
Heat the sample at 80°C for two hours or six hours. While six hours has been typical industry practice for the heat test, recent research has shown that two hours of heating time is sufficient. After heating, remove the heated tube from the water bath and leave it to return to room temperature for 3 hours.
What does thermally unstable means?
A material that will undergo an exothermic, self-sustaining or accelerating self-reaction (decomposition, polymerization or rearrangement) when heated to a specific temperature for given conditions of pressure, volume, composition and containment.
What makes a protein heat resistant?
There are various different forces that allow for the thermostability of a particular protein. These forces include hydrophobic interactions, electrostatic interactions, and the presence of disulfide bonds. The overall amount of hydrophobicity present in a particular protein is responsible for its thermostability.
What labile affect means?
Labile affect is a condition that affects how a person expresses their emotions. A person with this condition might either display emotions excessively or show inappropriate emotions in specific situations. For instance, you might find them laughing or smiling at a funeral or during a sad occasion.
What causes labile affect?
Labile mood refers to unpredictable, uncontrollable, and rapid shifts in emotions. This is most commonly caused by mental health conditions, such as bipolar and personality disorders, and medical conditions that affect the parts of the brain that control emotions.
What causes lability?
Causes of Emotional Lability It can be triggered by traumatic brain injury, stroke, multiple sclerosis, Parkinson's disease, and other health issues. People with this condition may also experience uncontrolled laughing or crying. Mood disorders. 4 This includes conditions such as bipolar disorder and depression.
Words nearby heat-labile
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
How to use heat-labile in a sentence
But while he was up there riffing about Steiger, he looked like he did in the Big Heat.
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