butyl paraben

benzoic acid, 4-hydroxy-, butyl ester benzoic acid, p-hydroxy-, butyl ester butoben 4-( butoxycarbonyl) phenol 4-( butoxycarbonyl)phenol butyl 4-hydroxybenzoate N- butyl 4-hydroxybenzoate butyl butex butyl chemosept butyl p-hydroxybenzoate N- butyl p-hydroxybenzoate butyl par asept butyl para-hydroxybenzoate N- butyl parahydroxybenzoate butyl parasept butyl tegosept butyl-4-hydroxybenzoate butyl-p-hydroxybenzoate butyl-p-hydroxybenzoate NF butyl-parasept butylparaben 4- hydroxybenzoic acid butyl ester p- hydroxybenzoic acid butyl ester para- hydroxybenzoic acid butyl ester 4- hydroxybenzoic acid N-butyl ester p- hydroxybenzoic acid N-butyl ester 4- hydroxybenzoic acid, butyl ester p- hydroxybenzoic acid, butyl ester p- hydroxybenzoic butyl ester mekkings B nipabutyl preserval B solbrol B tegosept B PubMed: Ethylparaben affects lifespan, fecundity, and the expression levels of ERR, EcR and YPR in Drosophila melanogaster. PubMed: Exposure determinants of phthalates, parabens, bisphenol A and triclosan in Swedish mothers and their children. PubMed: A multiresidue method for the determination of selected endocrine disrupting chemicals in human breast milk based on a simple extraction procedure. PubMed: Actions of methyl-, propyl- and butylparaben on estrogen receptor-α and -β and the progesterone receptor in MCF-7 cancer cells and non-cancerous MCF-10A cells. PubMed: A multiclass method for the analysis of endocrine disrupting chemicals in human urine samples. Sample treatment by dispersive liquid-liquid microextraction. PubMed: Removal of emerging pollutants by Ru/TiO2-catalyzed permanganate oxidation. PubMed: Photosonochemical degradation of butyl-paraben: optimization, toxicity and kinetic studies. PubMed: Toxicogenomics in the 3T3-L1 cell line, a new approach for screening of obesogenic compounds. PubMed: Transplacental passage of antimicrobial paraben preservatives. PubMed: Analysis of parabens in dentifrices and the oral cavity. PubMed: UHPLC-MS/MS method for the determination of bisphenol A and its chlorinated derivatives, bisphenol S, parabens, and benzophenones in human urine samples. PubMed: Occurrence of acidic pharmaceuticals and personal care products in Turia River Basin: from waste to drinking water. PubMed: Predictors and variability of repeat measurements of urinary phenols and parabens in a cohort of shanghai women and men. PubMed: Exposure to parabens at the concentration of maximal proliferative response increases migratory and invasive activity of human breast cancer cells in vitro. PubMed: Effects of n-butylparaben on steroidogenesis and spermatogenesis through changed E₂ levels in male rat offspring. PubMed: A proposed study on the transplacental transport of parabens in the human placental perfusion model. PubMed: Differential effect of methyl-, butyl- and propylparaben and 17β-estradiol on selected cell cycle and apoptosis gene and protein expression in MCF-7 breast cancer cells and MCF-10A non-malignant cells. PubMed: Disruption of Sertoli cell vimentin filaments in prepubertal rats: an acute effect of butylparaben in vivo and in vitro. PubMed: Development of a selective and sensitive voltammetric sensor for propylparaben based on a nanosized molecularly imprinted polymer-carbon paste electrode. PubMed: Structure-activity relationship of a series of 17 parabens and related compounds for histamine release in rat peritoneal mast cells and skin allergic reaction in guinea pigs. PubMed: Transesterification of a series of 12 parabens by liver and small-intestinal microsomes of rats and humans. PubMed: Determination of Parabens in Beverage Samples by Dispersive Liquid-Liquid Microextraction Based on Solidification of Floating Organic Droplet. PubMed: Photodegradation of parabens by Fe(III)-citrate complexes at circumneutral pH: matrix effect and reaction mechanism. PubMed: Widespread occurrence of bisphenol A diglycidyl ethers, p-hydroxybenzoic acid esters (parabens), benzophenone type-UV filters, triclosan, and triclocarban in human urine from Athens, Greece. PubMed: Single administration of butylparaben induces spermatogenic cell apoptosis in prepubertal rats. PubMed: Personal care product use and urinary phthalate metabolite and paraben concentrations during pregnancy among women from a fertility clinic. PubMed: Ruthenium nanoparticles supported on CeO2 for catalytic permanganate oxidation of butylparaben. PubMed: Combined prenatal and postnatal butyl paraben exposure produces autism-like symptoms in offspring: comparison with valproic acid autistic model. PubMed: Ampholine-functionalized hybrid organic-inorganic silica material as sorbent for solid-phase extraction of acidic and basic compounds. PubMed: Urinary paraben concentrations and ovarian aging among women from a fertility center. PubMed: Dermal absorption and hydrolysis of methylparaben in different vehicles through intact and damaged skin: using a pig-ear model in vitro. PubMed: A new treatment by dispersive liquid-liquid microextraction for the determination of parabens in human serum samples. PubMed: Aggregate exposure approaches for parabens in personal care products: a case assessment for children between 0 and 3 years old. PubMed: Simultaneous derivatisation and preconcentration of parabens in food and other matrices by isobutyl chloroformate and dispersive liquid-liquid microextraction followed by gas chromatographic analysis. PubMed: Effects of single and repeated in vitro exposure of three forms of parabens, methyl-, butyl- and propylparabens on the proliferation and estradiol secretion in MCF-7 and MCF-10A cells. PubMed: Comparative study of the hydrolytic metabolism of methyl-, ethyl-, propyl-, butyl-, heptyl- and dodecylparaben by microsomes of various rat and human tissues. PubMed: Urinary paraben concentrations among pregnant women and their matching newborn infants of Korea, and the association with oxidative stress biomarkers. PubMed: Circulating serum xenoestrogens and mammographic breast density. PubMed: Photo-degradation of butyl parahydroxybenzoate by using TiO2-supported catalyst. PubMed: Solid lipid nanoparticles as effective reservoir systems for long-term preservation of multidose formulations. PubMed: Comparative study on transcriptional activity of 17 parabens mediated by estrogen receptor α and β and androgen receptor. PubMed: Urinary excretion of phthalate metabolites, phenols and parabens in rural and urban Danish mother-child pairs. PubMed: Effects of triclocarban on the transcription of estrogen, androgen and aryl hydrocarbon receptor responsive genes in human breast cancer cells. PubMed: A study of parabens and bisphenol A in surface water and fish brain tissue from the Greater Pittsburgh Area. PubMed: Distribution, variability, and predictors of urinary concentrations of phenols and parabens among pregnant women in Puerto Rico. PubMed: Analysis of preservatives with different polarities in beverage samples by dual-phase dual stir bar sorptive extraction combined with high-performance liquid chromatography. PubMed: Determination of seven preservatives in cosmetic products by micellar electrokinetic chromatography. PubMed: Characterization of endocrine disruptors from a complex matrix using estrogen receptor affinity columns and high performance liquid chromatography-high resolution mass spectrometry. PubMed: Solubilization of parabens in aqueous Pluronic solutions: investigating the micellar growth and interaction as a function of paraben composition. PubMed: [Determination of sixteen food additives in beverage by capillary zone electrophoresis]. PubMed: Here today, here tomorrow? Urinary concentrations of parabens over time. PubMed: Dynamic evaluation of polypropylene capillary-channeled fibers as a stationary phase in high-performance liquid chromatography. PubMed: Protection against butyl p-hydroxybenzoic acid induced oxidative stress by Ocimum sanctum extract in mice liver. PubMed: Determination of biocides in different environmental matrices by use of ultra-high-performance liquid chromatography-tandem mass spectrometry. PubMed: Ovariectomized mouse uterotrophic assay of 36 chemicals. PubMed: Cosmetics as a potential source of environmental contamination in the UK. PubMed: Effects of parabens on adipocyte differentiation. PubMed: p-Hydroxybenzoate esters metabolism in MCF7 breast cancer cells. PubMed: Metabolism and disposition of [14C]n-butyl-p-hydroxybenzoate in male and female Harlan Sprague Dawley rats following oral administration and dermal application. PubMed: Protective role of metabolism by intestinal microflora in butyl paraben-induced toxicity in HepG2 cell cultures. PubMed: Parabens inhibit the early phase of folliculogenesis and steroidogenesis in the ovaries of neonatal rats. PubMed: Parabens enable suspension growth of MCF-10A immortalized, non-transformed human breast epithelial cells. PubMed: Predictors and variability of urinary paraben concentrations in men and women, including before and during pregnancy. PubMed: Large volume sample stacking with EOF and sweeping in CE for determination of common preservatives in cosmetic products by chemometric experimental design. PubMed: Differential effects of environmental chemicals and food contaminants on adipogenesis, biomarker release and PPARγ activation. PubMed: Effects of parabens on apoptosis induced by serum-free medium. PubMed: Systemic exposure to parabens: pharmacokinetics, tissue distribution, excretion balance and plasma metabolites of [14C]-methyl-, propyl- and butylparaben in rats after oral, topical or subcutaneous administration. PubMed: Measurement of paraben concentrations in human breast tissue at serial locations across the breast from axilla to sternum. PubMed: Dissociation constants of parabens and limiting conductances of their ions in water. PubMed: [Preparation of water in oil type cream with high content of water containing Kochia scoparia fruit and Cnidium monnieri fruit]. PubMed: Butyl p-hydroxybenzoic acid induces oxidative stress in mice liver--an in vivo study. PubMed: Evaluation of the occurrence and biodegradation of parabens and halogenated by-products in wastewater by accurate-mass liquid chromatography-quadrupole-time-of-flight-mass spectrometry (LC-QTOF-MS). PubMed: Aquatic toxicity and ecological risk assessment of seven parabens: Individual and additive approach. PubMed: Synergistic effects of parabens on the induction of calbindin-D(9k) gene expression act via a progesterone receptor-mediated pathway in GH3 cells. PubMed: Analysis of multi-class preservatives in leave-on and rinse-off cosmetics by matrix solid-phase dispersion. PubMed: Estrogenic Activity of Persistent Organic Pollutants and Parabens Based on the Stably Transfected Human Estrogen Receptor-α Transcriptional Activation Assay (OECD TG 455). PubMed: High performance liquid chromatography column packings with deliberately broadened particle size distribution: relation between column performance and packing structure. PubMed: Simultaneous determination of nine UV filters and four preservatives in suncare products by high-performance liquid chromatography. PubMed: Determination of parabens and endocrine-disrupting alkylphenols in soil by gas chromatography-mass spectrometry following matrix solid-phase dispersion or in-column microwave-assisted extraction: a comparative study. PubMed: Fast and sensitive high performance liquid chromatography analysis of cosmetic creams for hydroquinone, phenol and six preservatives. PubMed: Butyl paraben-induced changes in DNA methylation in rat epididymal spermatozoa. PubMed: Stir bar sorptive extraction of parabens, triclosan and methyl triclosan from soil, sediment and sludge with in situ derivatization and determination by gas chromatography-mass spectrometry. PubMed: Development and validation of a single RP-HPLC assay method for analysis of bulk raw material batches of four parabens that are widely used as preservatives in pharmaceutical and cosmetic products. PubMed: Relationship between lipophilicity and absorption from the liver surface of paraben derivatives and antipyrine in rats. PubMed: A new liquid chromatography-tandem mass spectrometry method for determination of parabens in human placental tissue samples. PubMed: An examination of the thermodynamics of fusion, vaporization, and sublimation of several parabens by correlation gas chromatography. PubMed: The influence of crystallization inhibition of HPMC and HPMCAS on model substance dissolution and release in swellable matrix tablets. PubMed: Fully automated determination of parabens, triclosan and methyl triclosan in wastewater by microextraction by packed sorbents and gas chromatography-mass spectrometry. PubMed: The consequence of the chemical composition of HPMC in matrix tablets on the release behaviour of model drug substances having different solubility. PubMed: GC-MS determination of parabens, triclosan and methyl triclosan in water by in situ derivatisation and stir-bar sorptive extraction. PubMed: Metabolism of parabens (4-hydroxybenzoic acid esters) by hepatic esterases and UDP-glucuronosyltransferases in man. PubMed: Urinary concentrations of parabens and serum hormone levels, semen quality parameters, and sperm DNA damage. PubMed: Ozonation of parabens in aqueous solution: kinetics and mechanism of degradation. PubMed: Simultaneous determination of electroactive and non-electroactive food preservatives by novel capillary electrophoresis with amperometric detection. PubMed: Regulation of the 5-HT3A receptor-mediated current by alkyl 4-hydroxybenzoates isolated from the seeds of Nelumbo nucifera. PubMed: Synthetic approaches to parabens molecularly imprinted polymers and their applications to the solid-phase extraction of river water samples. PubMed: Simultaneous quantitation of parabens, triclosan, and methyl triclosan in indoor house dust using solid phase extraction and gas chromatography-mass spectrometry. PubMed: A new in vitro screening bioassay for the ecotoxicological evaluation of the estrogenic responses of environmental chemicals using roach (Rutilus rutilus) liver explant culture. PubMed: LC-determination of five paraben preservatives in saliva and toothpaste samples using UV detection and a short monolithic column. PubMed: In-sample acetylation-non-porous membrane-assisted liquid-liquid extraction for the determination of parabens and triclosan in water samples. PubMed: In vitro study of Organization for Economic Co-operation and Development (OECD) endocrine disruptor screening and testing methods- establishment of a recombinant rat androgen receptor (rrAR) binding assay. PubMed: [Determination of six p-hydroxybenzoates in fruits and jams using solid-phase extraction-high performance liquid chromatography]. PubMed: Potential estrogenic effect(s) of parabens at the prepubertal stage of a postnatal female rat model. PubMed: Mixture effects of endocrine disrupting compounds in vitro. PubMed: Assessment of a robust model protocol with accelerated throughput for a human recombinant full length estrogen receptor-alpha binding assay: protocol optimization and intralaboratory assay performance as initial steps towards validation. PubMed: Urinary concentrations of four parabens in the U.S. population: NHANES 2005-2006. PubMed: Determination of parabens in cosmetic products using multi-walled carbon nanotubes as solid phase extraction sorbent and corona-charged aerosol detection system. PubMed: Short-term dynamic culture of rat testicular fragments as a model to assess effects on steroidogenesis--potential use and limitations. PubMed: [Scale-up of conical column with 10 degree opening angle as preparative liquid chromatographic column]. PubMed: Simultaneous monitoring of drug and solvent diffusion across a model membrane using ATR-FTIR spectroscopy. PubMed: An evaluation of estrogenic activity of parabens using uterine calbindin-d9k gene in an immature rat model. PubMed: Determination of ibudilast in human serum by high-performance liquid chromatography for pharmacokinetic study. PubMed: Analysis of parabens in cosmetics by low pressure liquid chromatography with monolithic column and chemiluminescent detection. PubMed: Relating solubility data of parabens in liquid PEG 400 to the behaviour of PEG 4000-parabens solid dispersions. PubMed: Estrogenicity of parabens revisited: impact of parabens on early pregnancy and an uterotrophic assay in mice. PubMed: [Butyl-p-hydroxybenzoate stimulates cystic fibrosis transmembrane conductance regulator Cl- transport]. PubMed: The aqueous photosensitized degradation of butylparaben. PubMed: Single-drop microextraction followed by in-syringe derivatization and GC-MS detection for the determination of parabens in water and cosmetic products. PubMed: Final amended report on the safety assessment of Methylparaben, Ethylparaben, Propylparaben, Isopropylparaben, Butylparaben, Isobutylparaben, and Benzylparaben as used in cosmetic products. PubMed: Removal of estrogenic activity of iso-butylparaben and n-butylparaben by laccase in the presence of 1-hydroxybenzotriazole. PubMed: Determination of parabens in environmental solid samples by ultrasonic-assisted extraction and liquid chromatography with triple quadrupole mass spectrometry. PubMed: Parabens in male infertility-is there a mitochondrial connection? PubMed: Comparative study for the analysis of parabens by micellar electrokinetic capillary chromatography with and without large-volume sample stacking technique. PubMed: Short-term iontophoretic and post-iontophoretic transport of model penetrants across excised human epidermis. PubMed: Comparison of artificial sebum with human and hamster sebum samples. PubMed: Development of an in vitro test battery for assessing chemical effects on bovine germ cells under the ReProTect umbrella. PubMed: The membrane lateral pressure-perturbing capacity of parabens and their effects on the mechanosensitive channel directly correlate with hydrophobicity. PubMed: [Application of single drop microextraction in the determination of phthalate esters and parabens in drugs by gas chromatography-mass spectrometry]. PubMed: Evaluation of estrogenic activity of parabens and their chlorinated derivatives by using the yeast two-hybrid assay and the enzyme-linked immunosorbent assay. PubMed: Higher levels of ethyl paraben and butyl paraben in rat amniotic fluid than in maternal plasma after subcutaneous administration. PubMed: Analysis and quantification of parabens in cosmetic products by utilizing hollow fibre-supported liquid membrane and high performance liquid chromatography with ultraviolet detection. PubMed: A structural and thermal investigation of the inclusion of parabens in heptakis(2,6-di-O-methyl)cyclomaltoheptaose. PubMed: Do parabens have the ability to interfere with steroidogenesis? PubMed: Preliminary ecological risk assessment of butylparaben and benzylparaben -2. Fate and partitioning in aquatic environments. PubMed: Preliminary ecological risk assessment of butylparaben and benzylparaben -1. Removal efficiency in wastewater treatment, acute/chronic toxicity for aquatic organisms, and effects on medaka gene expression. PubMed: Vitellogenin as a biomarker for estrogenic effects in brown trout, Salmo trutta: laboratory and field investigations. PubMed: Impact of diisobutyl phthalate and other PPAR agonists on steroidogenesis and plasma insulin and leptin levels in fetal rats. PubMed: Eco-friendly methodologies for the synthesis of some aromatic esters, well-known cosmetic ingredients. PubMed: Dose-response of the cultured bovine lens to butyl, methyl and propyl parabens. PubMed: Lack of effect of butylparaben and methylparaben on the reproductive system in male rats. PubMed: On-line pretreatment and determination of parabens in cosmetic products by combination of flow injection analysis, solid-phase extraction and micellar electrokinetic chromatography. PubMed: Preparation and characterization of inclusion complexes of a cationic beta-cyclodextrin polymer with butylparaben or triclosan. PubMed: Association of nicotinamide with parabens: effect on solubility, partition and transdermal permeation. PubMed: Urinary excretion of phthalates and paraben after repeated whole-body topical application in humans. PubMed: Electrospun polymer nanofibers as a solid-phase extraction sorbent for the determination of trace pollutants in environmental water. PubMed: Genotoxic effects of environmental estrogen-like compounds in CHO-K1 cells. PubMed: Hydrolysis of a series of parabens by skin microsomes and cytosol from human and minipigs and in whole skin in short-term culture. PubMed: Assessment of principal parabens used in cosmetics after their passage through human epidermis-dermis layers (ex-vivo study). PubMed: Systemic uptake of diethyl phthalate, dibutyl phthalate, and butyl paraben following whole-body topical application and reproductive and thyroid hormone levels in humans. PubMed: [Enhancement of di-n-butyl phthalate on the estrogenic activities of esters of p-hydroxybenzoic acid]. PubMed: [Simultaneous determination of nine kinds of preservatives in foods by HPLC]. PubMed: Effect of abrasion induced by a rotating brush on the skin permeation of solutes with varying physicochemical properties. PubMed: Simultaneous determination of antioxidants, preservatives and sweetener additives in food and cosmetics by flow injection analysis coupled to a monolithic column. PubMed: [Simultaneous determination of phthalates and parabens in cosmetic products by gas chromatography/mass spectrometry coupled with solid phase extraction]. PubMed: Studies on the lipophilicity of vehicles (or co-vehicles) and botanical oils used in cosmetic products. PubMed: Influence of crystal structure on the tableting properties of n-alkyl 4-hydroxybenzoate esters (parabens). PubMed: Antiandrogenic properties of parabens and other phenolic containing small molecules in personal care products. PubMed: Temporal stability of the conjugated species of bisphenol A, parabens, and other environmental phenols in human urine. PubMed: Investigating protein haptenation mechanisms of skin sensitisers using human serum albumin as a model protein. PubMed: Simultaneous determination of seven phthalates and four parabens in cosmetic products using HPLC-DAD and GC-MS methods. PubMed: Parabens inhibit human skin estrogen sulfotransferase activity: possible link to paraben estrogenic effects. PubMed: Comparison of objective and sensory skin irritations of several cosmetic preservatives. PubMed: Variability in human skin permeability in vitro: comparing penetrants with different physicochemical properties. PubMed: Comparison of the global gene expression profiles produced by methylparaben, n-butylparaben and 17beta-oestradiol in MCF7 human breast cancer cells. PubMed: Acceleration of paraben sorption to polyethylene terephthalate: a freeze-thaw phenomenon. PubMed: The influence of physicochemical properties of preservative compounds on their distribution into various phases of oil in water submicron emulsion. PubMed: Influence of crystal structure on the compaction properties of n-alkyl 4-hydroxybenzoate esters (parabens). PubMed: Simultaneous analysis of antioxidants and preservatives in cosmetics by supercritical fluid extraction combined with liquid chromatography-mass spectrometry. PubMed: Effector-repressor interactions, binding of a single effector molecule to the operator-bound TtgR homodimer mediates derepression. PubMed: Expression profiling of estrogen-responsive genes in breast cancer cells treated with alkylphenols, chlorinated phenols, parabens, or bis- and benzoylphenols for evaluation of estrogenic activity. PubMed: Determination of parabens in pharmaceutical formulations by solid-phase microextraction-ion mobility spectrometry. PubMed: A review of the endocrine activity of parabens and implications for potential risks to human health. PubMed: The effect of unsaturated fatty acids in benzyl alcohol on the percutaneous permeation of three model penetrants. PubMed: Morphometric analysis of mice uteri treated with the preservatives methyl, ethyl, propyl, and butylparaben. PubMed: Estrogenicity of butylparaben in rainbow trout Oncorhynchus mykiss exposed via food and water. PubMed: Safety assessment of esters of p-hydroxybenzoic acid (parabens). PubMed: Estrogenic activity of cosmetic components in reporter cell lines: parabens, UV screens, and musks. PubMed: Decrease in skin permeation and antibacterial effect of parabens by a polymeric additive, poly(2-methacryloyloxyethyl phosphorylcholine-co-butylmetacrylate). PubMed: Comment on developmental toxicity evaluation of butylparaben in Sprague-Dawley rats. PubMed: In vivo and in vitro estrogen bioactivities of alkyl parabens. PubMed: Separation of preservatives in cosmetic products by micellar electrokinetic chromatography. PubMed: Developmental toxicity evaluation of butylparaben in Sprague-Dawley rats. PubMed: [Inhibitory effect of zinc on beta-hexosaminidase release from RBL-2H3 cells by synthetic chemicals]. PubMed: Biotransformation of chlorpropham (CIPC) in isolated rat hepatocytes and xenoestrogenic activity of CIPC and its metabolites by in vitro assays. PubMed: Effect of heat on the percutaneous absorption and skin retention of three model penetrants. PubMed: Determination of cisapride, its oxidation product, propyl and butyl parabens in pharmaceutical dosage form by reversed-phase liquid chromatography. PubMed: Additive estrogenic activities of the binary mixtures of four estrogenic chemicals in recombinant yeast expressing human estrogen receptor. PubMed: [Determination of 4 antiseptics and 6 sunscreen agents in cosmetic products by reversed-phase high performance liquid chromatography]. PubMed: Oestrogenic activity of benzylparaben. PubMed: Effects of propyl paraben on the male reproductive system. PubMed: Oestrogenic activity of isobutylparaben in vitro and in vivo. PubMed: Benzoate X receptors alpha and beta are pharmacologically distinct and do not function as xenobiotic receptors. PubMed: Effects of butyl paraben on the male reproductive system in mice. PubMed: Effects of butylparaben on the male reproductive system in rats. PubMed: Decreased sperm number and motile activity on the F1 offspring maternally exposed to butyl p-hydroxybenzoic acid (butyl paraben). PubMed: Oestrogenic activity of parabens in MCF7 human breast cancer cells. PubMed: The effect of surface charge and partition coefficient on the chemical stability of solutes in O/W emulsions. PubMed: Controlled drug release from gels using surfactant aggregates: I. Effect of lipophilic interactions for a series of uncharged substances. PubMed: ER-dependent estrogenic activity of parabens assessed by proliferation of human breast cancer MCF-7 cells and expression of ERalpha and PR. PubMed: A fast and efficient determination of amines and preservatives in cough and cold liquid and suspension formulations using a single isocratic ion-pairing high performance [correction of power] liquid chromatography method. PubMed: The influence of type and quantity of model drug on the extrusion/spheronization of mixtures with microcrystalline cellulose. I. Extrusion parameters. PubMed: The first example of a paraben-dependent antibody to an Rh protein. PubMed: [Competitive binding of some alkyl p-hydroxybenzoates to human estrogen receptor alpha and beta]. PubMed: The preservatives ethyl-, propyl- and butylparaben are oestrogenic in an in vivo fish assay. PubMed: Separation and determination of haloperidol, parabens and some of their degradation products by micellar electrokinetic chromatography. PubMed: Synthesis and biological activity of alpha-methylene-gamma-lactones as new aroma chemicals. PubMed: Comparison of high-performance liquid chromatography and capillary zone electrophoresis for the determination of parabens in a cosmetic product. PubMed: Determination of serum concentrations of glycyrrhizin in humans by semi-micro high-performance liquid chromatography after administration of a therapeutic dose. PubMed: High performance liquid chromatographic determination of ambroxol in the presence of different preservatives in pharmaceutical formulations. PubMed: Lack of oestrogenic effects of food preservatives (parabens) in uterotrophic assays. PubMed: A novel percolation method for determining solubilities of pharmaceutical agents in semisolid vehicles. PubMed: Physical properties of parabens and their mixtures: solubility in water, thermal behavior, and crystal structures. PubMed: Membrane locus and pH sensitivity of paraben inhibition of alkali production by oral streptococci. PubMed: A centrifuge technique for the evaluation of the extent of water movement in wet powder masses. PubMed: Theoretical analysis of the effect of cutaneous metabolism on skin permeation of parabens based on a two-layer skin diffusion/metabolism model. PubMed: Some alkyl hydroxy benzoate preservatives (parabens) are estrogenic. PubMed: Prolonged erythema after chemical peel. PubMed: Mechanism of p-hydroxybenzoate ester-induced mitochondrial dysfunction and cytotoxicity in isolated rat hepatocytes. PubMed: Lipo-microdialysis: a new microdialysis method for studying the pharmacokinetics of lipophilic substances. PubMed: Perfusion cells for studying regional variation in oral-mucosal permeability in humans. I: Kinetic aspects in oral-mucosal absorption of alkylparabens. PubMed: Skin permeation of parabens in excised guinea pig dorsal skin, its modification by penetration enhancers and their relationship with n-octanol/water partition coefficients. PubMed: Cytotoxicity of food preservatives in cultured rat hepatocytes loaded with linolenic acid. PubMed: Effects of skin metabolism on percutaneous penetration of lipophilic drugs. PubMed: Effects of the structures of polyoxyethylene alkyl ethers on uptake of butyl p-hydroxybenzoate by Escherichia coli and its antibacterial activity. PubMed: Irreversible paraben inhibition of glycolysis by Streptococcus mutans GS-5. PubMed: Evaluation of stinging-inducing chemicals using cultured neuronal cells: an electrophysiological approach. PubMed: High performance liquid chromatographic determination of phenoxetol, methyl paraben, ethyl paraben, n-propyl paraben, iso-butyl paraben, n-butyl paraben and croconazole.HCl. PubMed: Relationship between uptake of p-hydroxybenzoic acid esters by Escherichia coli and antibacterial activity. PubMed: Absorption of sunscreens and other compounds through human skin in vivo: derivation of a method to predict maximum fluxes. PubMed: Contents of methyl-, ethyl-, propyl-, butyl- and benzylparaben in cosmetic products. PubMed: Sulfation of parabens and tyrosylpeptides by bacterial arylsulfate sulfotransferases. PubMed: Modulation by alkyl p-hydroxybenzoates of voltage- and ligand-gated channels in peripheral neuronal cells. PubMed: Comparative analysis of percutaneous absorption enhancement by d-limonene and oleic acid based on a skin diffusion model. PubMed: In vivo and in vitro analysis of skin penetration enhancement based on a two-layer diffusion model with polar and nonpolar routes in the stratum corneum. PubMed: Production, nutritional profiles and storability of 'aadun' and 'kokoro': two corn products. PubMed: The esters of p-hydroxy-benzoate (parabens) inhibit the release of lysosomal enzymes by mitogen-stimulated peripheral human lymphocytes in culture. PubMed: Inclusion complexation of p-hydroxybenzoic acid esters with 2-hydroxypropyl-beta-cyclodextrins. On changes in solubility and antimicrobial activity. PubMed: Determination of cinnamic acid and paeoniflorin in traditional Chinese medicinal preparations by high-performance liquid chromatography. PubMed: Evaluation of the effect of butyl p-hydroxybenzoate on the proteolytic activity and membrane function of human spermatozoa. PubMed: In vitro spermicidal activity of parabens against human spermatozoa. PubMed: Simultaneous determination of the nine food additives using high-performance liquid chromatography. PubMed: Routine patch testing with paraben esters. PubMed: Determination of p-hydroxybenzoic acid esters in cosmetics by liquid chromatography with ultraviolet and fluorescence detection. PubMed: Percutaneous absorption of butylparaben from liposomes in vitro. PubMed: Preservative activity and in vivo percutaneous penetration of butylparaben entrapped in liposomes. PubMed: Reactive oxygen species formed in vitro and in cells: role of thiols (GSH). Model studies with xanthine oxidase and horseradish peroxidase. PubMed: Tumorigenicity study of butyl and isobutyl p-hydroxybenzoates administered orally to mice. PubMed: High-performance liquid chromatography method for the separation of isomers of 9 beta-methylcarbacyclin (ciprostene) and the analysis of pharmaceutical samples. PubMed: Percutaneous absorption of butylparaben in vitro. II. Effects of micellar trapping of the drug and percutaneous absorption of nonionic surfactants. PubMed: Determinations of tiodazosin and levulinic acid from tablets by high-performance liquid chromatography. PubMed: The effect of parabens on DNA, RNA and protein synthesis in Escherichia coli and Bacillus subtilis. PubMed: Determination of antimicrobial preservatives in pharmaceutical formulations using reverse-phase liquid chromatography. PubMed: Specific and sensitive high-performance liquid chromatographic determination of glyburide. PubMed: Percutaneous absorption of butylparaben through guinea pig skin in vitro. PubMed: On the solubilization properties of surfactant-polymer complexes. PubMed: [Combined effect of antiseptics. II. Combined effect of sodium benzoate, butyl p-hydroxybenzoate and sodium dehydroacetate]. PubMed: [Combines effect of antiseptics. I. Combined effect of butyl p-hydroxybenzoate and sodium dehydroacetate]. PubMed: Inhibition of microorganisms by topical anesthetics. PubMed: Investigation of some complexes formed in solution by caffeine. III. Interactions between caffeine and aspirin, p-hydroxybenzoic acid, m-hydroxybenzoic acid, salicylic acid, salicylate ion, and butyl paraben.