Inhibitor

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inhibitor

[in′hib·əd·ər]
(aerospace engineering)
A substance bonded, taped, or dip-dried onto a solid propellant to restrict the burning surface and to give direction to the burning process.
(chemistry)
A substance which is capable of stopping or retarding a chemical reaction; to be technically useful, it must be effective in low concentration.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Inhibitor

 

a circuit having m + n inputs and a single output, at which a signal can appear only when there are no signals on the m inputs (inhibiting). The other n inputs (principal) form one of the two logic connections, “AND” or “OR.” Inhibitors are used extensively in computers. They are very often understood to be a circuit having a single principal input and a single inhibiting input. A signal appears at the output of such a circuit when a signal is present on the principal input but there is none on the inhibiting input. Such an inhibitor is called an anticoincidence gate; its conventional representation is given in Figure 1.

Figure 1. Block diagram of an anticoincidence gate (inhibitor) with m — 1 and n 1:(A) principal input, (Q) inhibiting input, (Ga) anticoincidence gate

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

inhibitor

A substance added to paint to retard drying, skinning, mildew growth, etc. Also see corrosion inhibitor, inhibiting pigment, drying inhibitor.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Type 1 plasminogen activator inhibitor (PAI-1) in clear cell renal cell carcinoma (CCRCC) and its impact on angiogenesis, progression and patient survival after radical nephrectomy.
Keeton et al., "Altered expression of plasminogen activator inhibitor type 1 in placentas from pregnant women with preeclampsia and/or intrauterine fetal growth retardation," Blood, vol.
Wiman, "Plasminogen activator inhibitor 1 (PAI-1) in plasma: its role in thrombotic disease," Thrombosis and Haemostasis, vol.
The plasma concentration of fibrinogen, tissue-type plasminogen activator (tPA) and plasminogen activator inhibitor (PAI-1) were measured by standard sandwich ELISA technique using commercial kits (Diagnostica STAGO, R.C.S.
Urokinase plasminogen activator (uPA) system, comprising of uPA, its receptor uPAR and inhibitor, type 1 plasminogen activator inhibitor (PAI-1), plays a vital role in various biological processes involving extracellular proteolysis, fibrinolysis, cell migration and proliferation.
Loskutoff, "Kinetic analysis of the interactions between plasminogen activator inhibitor 1 and both urokinase and tissue plasminogen activator," Archives of Biochemistry and Biophysics, vol.
The Example of Urokinase-Type Plasminogen Activator and Its Inhibitor Plasminogen Activator Inhibitor Type 1
For example, testosterone treatment is reported to reduce serum levels of the pro-inflammatory cytokines interleukin (IL)-1beta and tumor necrosis factor (TNF)-alpha, and to increase levels of the anti-inflammatory cytokine IL-10; to reduce vascular cell adhesion molecule (VCAM)-1 expression in aortic endothelial cells; to promote vascular smooth muscle and endothelial cell proliferation; to induce vasodilatation and to improve vascular reactivity, to reduce serum levels of the pro-thrombotic factors plasminogen activator inhibitor (PAI)-1 and fibrinogen; to reduce low-density lipoprotein-cholesterol (LDL-C); to improve insulin sensitivity; and to reduce body mass index and visceral fat mass.
High lipid levels were the only risk factor for Ml in our patient and progesterone use might have induced an increase in plasminogen activator inhibitor levels and vasospasm promoting thrombus formation.
Insulin resistance is known to dysregulate the fibrinolytic system, such as the elevation of plasminogen activator inhibitor 1 and other endogenous inhibitors of fibrinolysis, and to create a proinflammatory state.
These inflammatory markers included interleukin (IL)-6, IL-8, and IL-10, tumor necrosis factor-[alpha], epidermal growth factor, vascular endothelial growth factor, and plasminogen activator inhibitor, as well as C-reactive protein.

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