Academic literature on the topic 'Gastric simulated fluid'

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Journal articles on the topic "Gastric simulated fluid"

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Mavropoulos, Elena, Maria Helena Rocha-Leão, Nilce C. C. da Rocha, Marcelo H. Prado da Silva, and Alexandre Malta Rossi. "Hydroxyapatite-alginate composite for lead removal in artificial gastric fluid." Journal of Materials Research 22, no. 12 (2007): 3371–77. http://dx.doi.org/10.1557/jmr.2007.0419.

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Millimetric spherical beads of a biocompatible composite were produced from sodium alginate, a natural polysaccharide, and nanostructured hydroxyapatite (HA). It was shown that the composite was effective in the removal of lead ions and lead phosphate nanoparticles from high-contaminated simulated gastric fluid. X-ray diffraction spectroscopy and scanning electron microscopy analyses performed on HA–alginate beads after the Pb2+ uptake showed that nanocrystals of a lead phosphate, [Pb10–xCax(PO4)6Cl2], were precipitated on the bead surface. The cross-linked polymer chain had a double role: (i)
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Regmi, Shobha, Balmukunda Regmi, Sajan Lal Shyaula, Shiva Pathak, Bishnu Prasad Bhattarai, and Saroj Kumar Sah. "In Vitro Study of Adsorption Kinetics of Dextromethorphan Syrup onto Activated Charcoal in Simulated Gastric and Intestinal Fluids." Journal of Chemistry 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/9290454.

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Adsorption kinetics of dextromethorphan (DXM) syrup in simulated gastric and intestinal fluids onto activated charcoal (AC) were investigated in an in vitro model. The adsorption studies were performed as a function of time, initial concentration, and temperature. The quantification of DXM adsorbed onto AC was obtained from the Langmuir adsorption isotherms using HPLC. The maximum adsorption capacities (at 95% confidence limits) of AC for DXM were 111.615 [106.38; 126.85] mg in simulated intestinal environment (pH 6.8) and 78.314 [86.206; 70.422] mg in simulated gastric environment (pH 1.2). T
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Sullivan, Sandra E., Darlene A. Calhoun, Akhil Maheshwari, et al. "Tolerance of Simulated Amniotic Fluid in Premature Neonates." Annals of Pharmacotherapy 36, no. 10 (2002): 1518–24. http://dx.doi.org/10.1345/aph.1a439.

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OBJECTIVE: To assess the tolerance of simulated amniotic fluid enterally administered in premature neonates. DESIGN: A multicentered, Phase I, dose-escalation trial was accomplished among 30 preterm neonates. Groups of 10 patients received 5, 10, or 20 mL/kg/d enterally of the amniotic fluid solution, divided into every-3-hour dosing, for 3 days. MAIN OUTCOME MEASURES: Amount and character of emesis, stools, and gastric residuals; changes in abdominal girth; presence of a skin rash; blood pressure instability; the diagnosis of necrotizing enterocolitis (NEC) or intestinal perforation. RESULTS:
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Herman, Rod A., Valerie A. Korjagin, and Barry W. Schafer. "Quantitative measurement of protein digestion in simulated gastric fluid." Regulatory Toxicology and Pharmacology 41, no. 3 (2005): 175–84. http://dx.doi.org/10.1016/j.yrtph.2004.12.004.

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Pound, Bruce G. "The electrochemical behavior of nitinol in simulated gastric fluid." Journal of Biomedical Materials Research Part B: Applied Biomaterials 105, no. 8 (2016): 2394–400. http://dx.doi.org/10.1002/jbm.b.33779.

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Viviane Annisa, Teuku Nanda Saifullah Sulaiman, and Agung Endro Nugroho. "Biorelevant dissolution models to assess precipitation of weak base drug." International Journal of Research in Pharmaceutical Sciences 11, SPL4 (2020): 2165–72. http://dx.doi.org/10.26452/ijrps.v11ispl4.4438.

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The impact of precipitation can affect the amount of drug absorbed, thereby affecting the amount of drug in the systemic body. The precipitation process is preceded by a supersaturation phase, caused by decreased drug solubility in the gastrointestinal tract. This precipitation occurs for weak base drugs with low solubility. When the drug entering the small intestine, the solubility of weak base drugs decrease, then occurs supersaturation, which leads to precipitation, so that drug precipitation is one of a challenge for the pharmaceutical industry in drug development. Precipitation testing of
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FORMATO, GIOVANNI, IFIGENIA GEORNARAS, IOANNA M. BARMPALIA, et al. "Effect of Acid Adaptation on Growth during Storage at 10°C and Resistance to Simulated Gastric Fluid of Listeria monocytogenes Inoculated onto Bologna Formulated with or without Antimicrobials." Journal of Food Protection 70, no. 1 (2007): 65–69. http://dx.doi.org/10.4315/0362-028x-70.1.65.

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The fate of acid-adapted and nonadapted Listeria monocytogenes inoculated onto bologna slices (formulated with or without antimicrobials) was examined during storage and after exposure to in vitro gastric challenge. Bologna slices formulated with no antimicrobials (control), 3% sodium lactate (SL), or 1.8% SL plus 0.25% sodium diacetate (SD) were inoculated (2 log CFU/cm2) with a 10-strain composite of acid-adapted or nonadapted L. monocytogenes strains. Growth or survival of the two inocula on bologna was evaluated during vacuum-packaged storage (10°C) for up to 36 days. Survival of previousl
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Yang, Xia, Tao Zhang, Yao Ding, Jun Bo Li, and Jia Guo. "Vitamin B3 Adsorbed onto Activated Carbons and their Release Kinetics in Different Media." Advanced Materials Research 233-235 (May 2011): 697–700. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.697.

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The adsorption of vitamin B3 (VPP) by activated carbons and their release processes in the distilled water, simulated gastric fluid and simulated intestinal fluid were investigated. The adsorptive capacity of the activated carbon for VPP was 94.91 mg/g. Simulated gastric fluid could promote the release of VPP adsorbed by the activated carbon, and the cumulative percentage of VPP released was 76.36%. Based on three commonly-used kinetic models for drug release, mathematical simulations were carried out. It was found that the release processes of VPP in three different media could be fitted well
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Fu, Tong-Jen, Upasana R. Abbott, and Catherine Hatzos. "Digestibility of Food Allergens and Nonallergenic Proteins in Simulated Gastric Fluid and Simulated Intestinal FluidA Comparative Study." Journal of Agricultural and Food Chemistry 50, no. 24 (2002): 7154–60. http://dx.doi.org/10.1021/jf020599h.

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Mavropoulos, Elena, Nilce C. C. da Rocha, Maria Helena M. Rocha-Leão, Marcelo Henrique Prado da Silva, and Antonella M. Rossi. "Heavy Metals Immobilization by Hydroxyapatite-Alginate Composite in Simulated Gastric Fluid." Key Engineering Materials 361-363 (November 2007): 467–70. http://dx.doi.org/10.4028/www.scientific.net/kem.361-363.467.

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Micrometric sphere beads of HA-alginate composite were produced to remove Pb2+ and Cd2+ from contaminated gastric fluid. It was shown that the composite was effective in Pb2+ and Cd2+ immobilization from high-contaminated simulated gastric fluid. X-ray diffraction and scanning electron microscope analyses performed on HA-alginate beads after the Pb2+ uptake showed that lead phosphate, (Pb10-x Cax (PO4)6Cl2), was precipitated on beads surface. X-ray diffraction patterns of HA powder after Cd2+ sorption experiments showed no evidence of other phases, however, dispersive energy spectrometer analy
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Dissertations / Theses on the topic "Gastric simulated fluid"

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Hakami, Abrar. "Role of Albumin and Simulated Gastric Fluid in Modulating Phenylalanine Ammonia Lyase Enzyme Activity." Thesis, University of the Sciences in Philadelphia, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10904825.

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<p> Phenylketonuria (PKU) is an inborn error of metabolism characterized by a loss of phenylalanine hydroxylase activity; an enzyme that metabolizes phenylalanine to tyrosine. Phenylalanine ammonia lyase (PAL) is currently being evaluated as a possible therapy for the management of PKU. PAL catalyzes the conversion of phenylalanine to transcinnamic acid (TCA). Our proposed therapy involves encapsulation of PAL enzyme in ethyl cellulose microcapsules using the spray drying method. PAL activity is markedly reduced due to product inhibition. We hypothesized that the addition of albumin to the PAL
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Perez, Karla Joseane. "Sobrevivência em fluído gástrico simulado e capacidade de invasão intestinal de Salmonella enteridis e Salmonella typhimurium induzidas e não induzidas à adaptação ácida." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/13857.

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No Rio Grande do Sul, um grupo clonal de Salmonella Enteritidis vem sendo identificada como o principal microrganismo causador de Doenças Transmitidas por Alimentos (DTA) nos últimos anos. Em vista disso, o objetivo deste trabalho foi avaliar a sobrevivência em fluido gástrico simulado (FGS) e a capacidade de invasão intestinal de Salmonella Enteritidis (SE86) em comparação à Salmonella Typhimurium (ST99) em dois modelos animais. Os microrganismos foram cultivados em meio de cultura e meio de cultura suplementado com glicose, objetivando a adaptação ácida. Aproximadamente 9logUFC dos microrgan
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Oda, Fernando Bombarda [UNESP]. "Derivados de diterpenos clerodânicos de Casearia sylvestris Swartz obtidos por ensaios in vitro: caracterização estrutural e avaliação da atividade anti-inflamatória." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/151173.

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Submitted by Fernando Bombarda Oda null (fer_oda@fcfar.unesp.br) on 2017-07-20T17:23:30Z No. of bitstreams: 1 Dissertação_Fernando_Oda_Final.pdf: 7648101 bytes, checksum: f78680181e6caaa8a443897d877a8eae (MD5)<br>Approved for entry into archive by LUIZA DE MENEZES ROMANETTO (luizamenezes@reitoria.unesp.br) on 2017-07-21T18:30:59Z (GMT) No. of bitstreams: 1 oda_fb_me_arafcf_parc.pdf: 1138705 bytes, checksum: a9ec30f0d79f53facd0d1b055e2a1bc4 (MD5)<br>Made available in DSpace on 2017-07-21T18:30:59Z (GMT). No. of bitstreams: 1 oda_fb_me_arafcf_parc.pdf: 1138705 bytes, checksum: a9ec30f0d79f53
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Igue, Patience. "Survival of Salmonella typhimurium in simulated intestinal fluids." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31242.

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Salmonella species are among the major foodborne intestinal pathogens that are of public concern with respect to food safety. The ability of intestinal pathogens to resist gastric acidity corresponds to their oral infective dose (ID). The survival and lipopolysaccharide (LPS) profiles of Salmonella typhimurium grown at different pH values and to different phases of growth were examined in simulated gastric fluid (pH 1.5), ileal fluid (pH 7.0), colon fluid (pH 8.0). The survival and growth of S. typhimurium were also examined during sequential passage through all three fluids. Viable cells were
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Prinsloo, Rachel Magrietha Petronella. "Potential pathogenicity of heterotrophic plate count bacteria isolated from untreated drinking water / Rachel Magrietha Petronella Prinsloo." Thesis, 2014. http://hdl.handle.net/10394/11947.

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Water is considered the most vital resource on earth and its quality is deteriorating. Not all residents living in South Africa‘s rural areas have access to treated drinking water, and use water from rivers, dams, and wells. The quality of these resources is unknown, as well as the effects of the bacteria in the water on human health. The heterotrophic plate count (HPC) method is a globally used test to evaluate microbial water quality. According to South African water quality guidelines, water of good quality may not contain more than a 1 000 coliforming units (CFU)/mℓ. There is mounting evid
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Book chapters on the topic "Gastric simulated fluid"

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Mavropoulos, Elena, Nilce C. C. da Rocha, Maria Helena M. Rocha-Leão, Marcelo H. Prado da Silva, and Alexandre M. Rossi. "Heavy Metals Immobilization by Hydroxyapatite-Alginate Composite in Simulated Gastric Fluid." In Bioceramics 20. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-457-x.467.

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Benedé, Sara, Rosina López-Fandiño, and Elena Molina. "Assessment of IgE Reactivity of β-Casein by Western Blotting After Digestion with Simulated Gastric Fluid." In Methods in Molecular Biology. Springer New York, 2017. http://dx.doi.org/10.1007/978-1-4939-6925-8_13.

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Conference papers on the topic "Gastric simulated fluid"

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"Identification of Metals in Geophagic Clays: Investigation of their Behaviour in Simulated Gastric Fluid." In 7th International Conference on Latest Trends in Engineering and Technology. International Institute of Engineers, 2015. http://dx.doi.org/10.15242/iie.e1115015.

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Hettiarachchi, Eshani, Shaylene Paul, Bonnie A. Frey, Daniel Cadol, and Gayan Rubasinghege. "MINERALOGY CONTROLLED DISSOLUTION OF URANIUM FROM AIRBORNE DUST IN SIMULATED LUNG FLUIDS (SLFS) AND SIMULATED GASTRIC FLUIDS (SGFS): POSSIBLE HEALTH IMPLICATIONS." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-330673.

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