reactant

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re·ac·tant

 (rē-ăk′tənt)
n.
A substance that is altered or incorporated into another substance in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

reactant

(rɪˈæktənt)
n
(Chemistry) a substance that participates in a chemical reaction, esp a substance that is present at the start of the reaction. Compare product4
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

re•ac•tant

(riˈæk tənt)

n.
1. a person or thing that reacts.
2. any substance that undergoes a chemical change in a given reaction.
[1925–30]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

re·ac·tant

(rē-ăk′tənt)
A substance participating in a chemical reaction, especially one present at the start of the reaction.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

reactant

A substance present at the start of chemical reaction which takes part in the reaction.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.reactant - a chemical substance that is present at the start of a chemical reaction
chemical, chemical substance - material produced by or used in a reaction involving changes in atoms or molecules
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
reaktant
References in periodicals archive ?
It is an acute phase reactant protein and its levels are elevated up to 20% in acute inflammation.7 Recent studies have found DBP to be widely distributed in periodontal tissues where it is highly expressed, thereby speculating its important role in local immune defense.8 There are few studies reporting the role of 1,25(OH)2D and DBP in periodontitis.
Alpha 1--acid glycoprotein (AGP) is an acute phase reactant protein reported in the seromucoid portion of the serum (SELTING et al., 2000; WINKEL et al., 2015).
C-reactive protein (CRP) is an acute phase reactant. It is synthesised by hepatocytes, and stimulated by interleukin6 (IL-6) and IL-1 genes.5 The most important role of CRP is to help the body's immune defence mechanisms by reacting with complex systems.
Caption: Figure 2: Kinetics of WBC and acute phase reactant during the clinical course of infection.
Unlike C-reactive protein, which is an acute phase reactant, CRPM reflects chronic inflammation, she explained at the meeting sponsored by the Osteoarthritis Research Society International.
Associations between acute phase reactant levels and disease activity score (DAS28) in patients with rheumatoid arthritis.
Which of the following is an acute phase reactant that is decreased in iron deficiency?
Being an acute phase reactant, serum ferritin level is prone to be higher in overweight and obese people, because of a state of subclinical, but generalized inflammation in them [15-17].
Ceruloplasmin a positive acute phase reactant rises in any form of acute inflammation.
There is a considerable association between serum albumin and CRP levels in CKD children, as CRP levels boost up there is a reduction in serum albumin, the reason for this is that as the pro-inflammatory cytokines such as IL-1, IL-6 and TNFa cause an increase in positive APRs in liver they also cause reduction in synthesis of albumin and other negative APRs.8 CRP and albumin are together acute phase reactants, of which CRP is positive APR (acute phase reactant) while albumin is negative APR.
SP-D is secreted as an acute phase reactant, especially in the presence of infectious agents; it plays a role in host defense mechanisms via adhesion to micro-organisms due to its hydrophilic nature (6, 7), is important in aggregation, neutralization, and opsonization during phagocytosis, results in direct gram-negative bacterial cell-membrane lysis, inhibiting bacterial/fungal growth in macrophages, and has a aggregation-independent manner (7, 13).
ACR20 response is the percentage of patients achieving a 20 percent improvement in the number of tender and swollen joints, as well as a 20 percent improvement in three of the following five ACR core set measures: patient assessed global assessment, physician assessed global assessment, pain, disability, and level of acute phase reactant. ACR50 and ACR70 responses are similar to the ACR20 response, but denote 50 percent and 70 percent improvements, respectively.

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