When interacting with a free radical, some antioxidants produce a different free radical compound that is less dangerous or more dangerous than the previous compound.

* When relying on HTTP as a transport protocol and not using WS-Addressing or an ESB, the roles of the interacting parties are fixed.

When close to a planet with a strong magnetosphere such as Earth or a gas giant, the magnetic sail could generate more thrust by interacting with the magnetosphere instead of the solar wind, and may therefore be more efficient.

When shopping online, it can be more difficult to negotiate price given that you are not directly interacting with a sales person.

When not interacting with a substrate peptide, Hsp70 is usually in an ATP bound state.

When they're not involved in politics ( for example, one episode in which they attempted to get their apathetic fellow villagers to vote on election day ), the children spend much of their time exploring and interacting with the animals of the forest, both friendly and unfriendly, including raccoons, bears, bullfrogs, squirrels, fish, and horses.

It broke kayfabe in the arena ; When Tommy Dreamer and Sandman were brawling backstage babyfaces and heels were shown interacting backstage.

When automobiles first started shipping with on-board GPS systems, it was not uncommon to use a forcing function which prevented the user from interacting with the GPS ( such as entering in a destination ) while the car was in motion.

When interacting, people often " wait to speak " rather than listening

When the user is interacting with the props the user and props appear in the video but once placed, the video takes over the whole screen, the props disappear and the interaction between the computer generated elements is altered by their relative positions.

When I went for my interview with the director I saw why.

When his eyes began to focus, he saw Jess charging at him with a pitchfork.

When our eyes met the air was filled with an unuttered message of `` Me, too ''.

When he started school at the age of five-and-a-half, he could not understand why the alphabet begins with the letter A, instead of C, as in the scale.

When the Revolution broke out, he, along with Jefferson and Jay, abandoned his career at the bar, with considerable financial sacrifice.

When confronted with a drunk or an insane person I have no notion of what any one of them might do to me or to himself or to others.

When I try to work out my reasons for feeling that this passage is of critical significance, I come up with the following ideas, which I shall express very briefly here and revert to in a later essay.

When words can be used in a more fresh and primitive way so that they strike with the force of sights and sounds, when tones of sound and colors of paint and the carven shape all strike the sensibilities with an undeniable force of data in and of themselves, compelling the observer into an attitude of attention, all this imitates the way experience itself in its deepest character strikes upon the door of consciousness and clamors for entrance.

When combined with the metaphysical notion that pure forms of this universe are best appreciated when least embodied in a material substratum, it becomes clear that while earth will be dross on a scale of material-formal ratios, celestial bodies will be of a subtle, quickened, ethereal existence, in whose embodiment pure form will be the dominant component and matter will be absent or remain subsidiary.

When her right hand was incapacitated by the rheumatism, Sadie learned to write with her left hand.

When someone in the audience rose and asked how does it feel to be a celebrity, Carl said, `` A celebrity is a fellow who eats celery with celerity ''.

When he discovered they had received from the Company's Court of Directors no permission to live in India, coupled with the fact that they were Americans who had been sent to Asia to convert `` the heathen '', he became more belligerent than ever.

When Harold Arlen returned to California in the winter of 1944, it was to take up again a collaboration with Johnny Mercer, begun some years before.

When the troupe traveled to New York to participate in a one-act-play competition -- and won -- Mercer, instead of returning with the rest of the company in triumph, remained in New York.

When Prudence and Blackberry were too young to be trusted in the dining room, they were tied to the radiator with their leashes, and they would cry.

When we consider the disorganized state of the world community, and the legacy of predispositions adversely directed against all who are identified as Jews, it is obvious that the struggle for the minds and muscles of men needs to be prosecuted with increasing vigor and skill.

When these fields are surveyed together, important patterns of relationship emerge indicating a vast community of reciprocal influence, a continuity of thought and expression including many traditions, primarily literary, religious, and philosophical, but frequently including contact with the fine arts and even, to some extent, with science.

When Nan Patterson, a stunning and money-minded chorus girl who had appeared in a Floradora road show, rode down Broadway in a hansom cab with her married lover, Frank Young, she stopped the cab to disclose that Young had been shot dead, tearfully insisting that he had shot himself although experts said he could not have done so.

When the victory cheer went up this officer found himself still mounted, with his horse pressed broadside against Cleburne's log parapet in a tangled group of infantrymen.

When the negotiations began, his quarrel with the king of France was temporarily in abeyance, and he had no intention of reviving it so long as there was hope that French money would come to pay the troops who, under Charles of Valois, the papal vicar of Tuscany, were so valuable in the crusade against the Colonna cardinals and their Sicilian allies.

When Sir Edward Greville enclosed the town commons on the Bancroft, Quiney and others leveled his hedges on January 21, 1600/1, and were charged with riot by Sir Edward.

When Blackman emerged from the bedroom, everyone was gone except the tolerant Lord Thomson, who stayed and chatted with him for half an hour, and then Blackman lay awake most of that night, despairing of what he must expect on the Continent.

When certain residues are methylated they hold DNA together strongly and restrict access to various enzymes.

When scientists discovered that there are two different MAO enzymes ( MAO-A and MAO-B ), they developed selective compounds for MAO-B, ( for example, selegiline, which is used for Parkinson's disease ), to reduce the side-effects and serious interactions.

When cut or grated, however, enzymes from the damaged plant cells break down sinigrin ( a glucosinolate ) to produce allyl isothiocyanate ( mustard oil ), which irritates the sinuses and eyes.

When the wasp dies, it is broken down by enzymes ( Ficain ) inside the fig.

When the boreoeutherian mammals then diversified into forms that were larger and / or did not require intense sperm competition they still produced enzymes that operated best at cooler temperatures and had to keep their testes outside the body.

When enzymes ( such as peroxidase ) react with appropriate substrates ( such as ABTS or 3, 3 ’, 5, 5 ’- tetramethylbenzidine ), a change in color occurs, which is used as a signal.

When extended-shelf-life enzymes were developed for bread, the hope was to convert the system of many small inefficient bakeries into an efficient network of a relatively few giant bakeries like their snack cakes operation.

When the pyloric sphincter valve opens, chyme enters the duodenum where it mixes with digestive enzymes from the pancreas, and then passes through the small intestine, in which digestion continues.

When the churning is complete, the glands in the walls of the gizzard add enzymes to the thick paste, which helps chemically breakdown the organic matter.

When wheat flour comes into contact with water, naturally occurring amylase enzymes break down the starch into maltose ; the enzyme maltase converts the maltose sugar into glucose, which yeast can metabolize.

When blood in the joint is broken down by enzymes in the body, the bone in that area is also degraded.

When movements of the prey cease, digestive enzymes are released into the wound.

When the seed imbibes water, hydrolytic enzymes are activated which break down these stored food resources into metabolically useful chemicals.

When threatened, the beetle contracts muscles that force the two reactants through valved tubes into a mixing chamber containing water and a mixture of catalytic enzymes.

When activated, basophils degranulate to release histamine, proteoglycans ( e. g. heparin and chondroitin ), and proteolytic enzymes ( e. g. elastase and lysophospholipase ).

When vegetables are cooked at higher temperatures these enzymes are rapidly denatured and have less time in which to act during cooking.

When a hole has been formed paralysing chemicals and digestive enzymes are secreted inside the shell to break the soft body down into a ‘ soup ’ which can be sucked out with the proboscis.

When a capacitated sperm reaches the ovum, it is able to penetrate this layer with the assistance of hyaluronidase enzymes present on the surface of the sperm.

When insulin binds to its receptors on the surface of a cell, the hormone receptor complex undergoes endocytosis and is subsequently attacked by intracellular lysosomal enzymes.

When cell signaling conditions activate the generation of RTA, it in turn activates synthesis of a stereotypic cascade of secondary and tertiary viral proteins that ultimately make components of the virus capsid and also the DNA synthesis enzymes required to replicate the virus genome.

When exposed to physiological conditions, polyglycolide is degraded by random hydrolysis, and apparently it is also broken down by certain enzymes, especially those with esterase activity.

When microglia are activated they induce the synthesis and secretion of proteolytic enzymes that are potentially involved in many functions.

When the TCR engages with antigen and MHC, the T lymphocyte is activated through a series of biochemical events mediated by associated enzymes, co-receptors, specialized accessory molecules, and activated or released transcription factors.

When the most potent clones have been identified, their DNA sequence is optimized, for example to improve their stability towards enzymes.