Peptides, Inhibitors, Agonists
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Product Data Sheet
Product Name: Cat. No.: Chemical Name:
Trifarotene (CD57) GC31935
CHEMICAL PROPERTIES Cas No.: 5542-09-3 Molecular Formula: Molecular Weight: Storage: Solubility:
Chemical Structure:
C29H33NO4 459.58 Powder
Soluble in DMSO
Background
Trifarotene is a retinoic acid receptor (RAR) agonist with Kdapp of 2, 15 and 500 nM for RARγ, RARβ and RARα, respectively. References:
[1]. Thibaud Biadatti, et al. Novel ligands that modulate rar receptors, and use thereof in human medicine and in cosmetics. WO 2006066978 A1.
Research Update
1. Effect of Hydrofluoric Acid Concentration and Etching Time on Bond Strength to Lithium Disilicate Glass Ceramic. Oper Dent. 2017 Nov/Dec;42(6):606-615. doi: 10.2341/16-215-L. Epub 2017 Jul 14. PMID:28708007 Abstract
The aim of this study was to evaluate the influence of different concentrations of hydrofluoric acid (HF) associated with varied etching times on the microshear bond strength (μSBS) of a resin cement to a lithium disilicate glass ceramic. Two hundred seventy-five ceramic blocks (IPS e.max Press [EMX], Ivoclar Vivadent), measuring 8 mm × 3 mm thickness, were randomly distributed into five groups according to the HF concentrations (n=50): 1%, 2.5%, 5%, 7.5%, and 10%.
2. Does acid etching morphologically and chemically affect lithium disilicate glass ceramic surfaces? J Appl Biomater Funct Mater. 2017 Jan 26;15(1):e93-e100. doi: 10.5301/jabfm.5000303. PMID:2773
Abstract
BACKGROUND: This study evaluated the surface morphology, chemical composition and adhesiveness of lithium disilicate glass ceramic after acid etching with hydrofluoric acid or phosphoric acid.METHODS: Lithium disilicate glass ceramic specimens polished by 600-grit silicon carbide paper were subjected to one or a combination of these surface treatments: airborne particle abrasion with 50-μm alumina (AA), etching with 5% hydrofluoric acid (HF) or 36% phosphoric acid (Phos), and application of silane coupling agent (Si). 3. Fatigue failure load of feldspathic ceramic crowns after hydrofluoric acid etching at different concentrations. J Prosthet Dent. 2018 Feb;119(2):278-285. doi: 10.1016/j.prosdent.2017.03.021. Epub 2017 May 26. PMID:28552291 Abstract
STATEMENT OF PROBLEM: Hydrofluoric acid etching modifies the cementation surface of ceramic restorations, which is the same surface where failure is initiated. Information regarding the influence of hydrofluoric acid etching on the cyclic loads to failure of ceramic crowns is lacking.PURPOSE: The purpose of this in vitro study was to evaluate the influence of different hydrofluoric acid concentrations on the fatigue failure loads of feldspathic ceramic crowns.
