Benzalkonium chloride
AN ANALYTICAL STUDY FOR DEVELOPMENT AND VALIDATION OF METHOD FOR ESTIMATION OF TOTAL BENZALKONIUM CHLORIDE CONTENT AS A PRESERVATIVE IN AZELASTINE HYDROCHLORIDE PHARMACEUTICAL OPHTHALMIC FORMULATION BY REVERSE PHASE LIQUID CHROMATOGRAPHY APPROACH
... Benzalkonium chloride 50% aqueous solution with 50% purity as a standard solution was obtained from fisher scientific, Mumbai. HPLC grade acetonitrile, Water (AR grade), hydrochloric acid were obtained from ...
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Intrinsic Resistance of Burkholderia cepacia Complex to Benzalkonium Chloride
... Intrinsic Resistance of Burkholderia cepacia Complex to Benzalkonium Chloride Intrinsic Resistance of Burkholderia cepacia Complex to Benzalkonium Chloride Youngbeom Ahn,a Jeong Myeong Kim,a Ohgew Kwe[.] ...
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Correlation between resistance of Pseudomonas aeruginosa to benzalkonium chloride and expression of efflux pump genes
... Benzalkonium chloride (BC) is a QAC which have broad- spectrum antimicrobial activity (Ebrahimi et al., 2016; McCay et al., 2010). Low and higher level of adaptation to the BC has been observed in P. ...
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Cytotoxicity of prostaglandin analog eye drops preserved with benzalkonium chloride in multiple corneoconjunctival cell lines
... with viability $ 50% in the presence of a selected dose of the drug) to enable easy comparison of the effects of different drugs, and found it was useful. This concept is similar to that of the MIC 50 (ie, the minimum ...
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Effect of components of leaching medium on the leaching of benzalkonium chloride from treated wood
... Abstract Different leaching media composed of water- soluble extracts from Sakhalin fi r, Japanese cedar, and Japanese larch heartwoods and of taxifolin were used to characterize leaching of the C12 and C14 homologues of ...
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Determination of Azelastine Hydrochloride and Benzalkonium Chloride in Their Ophthalmic Solution by Different Spectrophotometric Methods
... Abstract: Three simple, specific, accurate and precise spectrophotometric methods for the determination of a binary mixture of Azelastine hydrochloride (AZH) and Benzalkonium chloride (BAC) in pure and in ...
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Cytotoxicity of five fluoroquinolone and two nonsteroidal anti-inflammatory benzalkonium chloride-free ophthalmic solutions in four corneoconjunctival cell lines
... Figure 2 Effects of anti-inflammatory ophthalmic solutions on the viability of cultured rabbit corneal epithelial cells (RC-1 and SIRC), bovine corneal epithelial cells (BCE), and human conjunctival cells (Chang) after ...
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Evaluation of the cytotoxic effects of ophthalmic solutions containing benzalkonium chloride on corneal epithelium using an organotypic 3-D model
... In the 1-year monkey pachymetry studies, there was no statistically significant difference (p > 0.4) in mean cor- neal thickness between the eyes treated with BAC-contain- ing vehicle and untreated eyes at any of the ...
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Effect of benzalkonium chloride-free latanoprost ophthalmic solution on ocular surface in patients with glaucoma
... Introduction: Benzalkonium chloride (BAK), included as a preservative in many topical treatments for glaucoma, induces significant toxicity and alters tear breakup time ...
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Representativeness of EN 1040/13727 Assay Conditions for Evaluating In Vitro the Bactericidal Activity of a Chlorhexidine Digluconate and Benzalkonium Chloride Antiseptic Preparation
... Aims: The representativeness of the mandatory bacterial strains specified in European standards for in vitro assay of the bactericidal activity of antiseptics was evaluated by testing the activity of an antiseptic ...
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Sol gel transitions of carbopol by conductometric investigation: The impact of hydroxypropyl methylcellulose and benzalkonium chloride
... Another component that is commonly used in a preparation of a pH triggered system is the benzalkonium chloride (BKCl). It acts as a preservative due to its ability to prevent bacterial and fungi ...
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Leaching characteristics of homologues of benzalkonium chloride from wood treated with ammoniacal copper quaternary wood preservative
... and benzalkonium chloride as its active ingredients, is among the most widely used wood preservatives in the pressure treatment of ...wood. Benzalkonium chloride (BAC) in com- mercial ACQ-1 ...
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Effectiveness of ophthalmic solution preservatives: a comparison of latanoprost with 0.02% benzalkonium chloride and travoprost with the sofZia preservative system
... Benzalkonium chloride also has been shown to be more effective than other preservatives when measured against the EP-A criteria ...silver chloride complex ...
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Preservative toxicity in glaucoma medication: clinical evaluation of benzalkonium chloride-free 0.5% timolol eye drops
... The use of topical medications is a mainstay in the treatment of ocular diseases. Multidose bottles are important for patient ease, affordability, and compliance with prescribed therapies. However, preservatives must be ...
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A STUDY ON FORCED DEGRADATION AND VALIDATION OF STABILITY INDICATING RP HPLC METHOD FOR DETERMINATION OF BENZALKONIUM CHLORIDE IN AZELASTINE HYDROCHORIDE PHARMACEUTICAL OPHTHALMIC FORMULATION
... This study presents a simple, reverse phase-stability indicating HPLC method for determination of benzalkonium chloride as major homologs in azelastine hydrochride pharmaceutical ophthalmic formulation. The ...
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Efficacy and tolerability of benzalkonium chloride-free travoprost in glaucoma patients switched from benzalkonium chloride-preserved latanoprost or bimatoprost
... preservative benzalkonium chloride (BAK) is used to preserve several topical, intraocular pressure (IOP)-lowering glaucoma medications but can cause tolerability concerns that may lead to decreased ...
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Benzalkonium chloride: Re evaluation of its pharmaceutical status
... (The International dry eye work shop study group, 2007). Pathologically, there is goblet cell loss, macropannus and filamentary keratitis (O’Brien, 2007). Benzalkonium chloride (BAK) has been the favourite ...
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Effect of Benzalkonium Chloride on Biofilm of Bacteria Causing Nosocomial Infectionstions
... used benzalkonium for inhibition of biofilm formation. Benzalkonium, known as alkyl dimethyl benzyl ammonium chloride, has a cationic surface and is dependent to the quaternary ammonium ...(5). ...
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MICROBIOLOGICAL EVALUATION OF SOME OPHTHALMIC PREPARATIONS CONTAINING DIFFERENT CONCENTRATIONS OF BENZALKONIUM CHLORIDE
... ZB (zinc sulphate U.46%+boric acid 1.6%) with a 0.1 % to ().05% concentration of bl!llzalkonium chlorid!.! was also effective against Pseudomonas (}CrllgiIlOSll. and Staphylococclls G/ln'lIs. but numerous and 02 colonies ...
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Technical note: Could benzalkonium chloride be a suitable alternative to mercuric chloride for preservation of seawater samples?
... tinely used for such preservation, but its handling and subse- quent disposal incur environmental risks and significant ex- pense. There is therefore a strong motivation to find less haz- ardous alternatives. ...
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