Search Results - (Author, Cooperation:K. Bui)
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1Latest Papers from Table of Contents or Articles in PressR. M. Quimby ; S. R. Kulkarni ; M. M. Kasliwal ; A. Gal-Yam ; I. Arcavi ; M. Sullivan ; P. Nugent ; R. Thomas ; D. A. Howell ; E. Nakar ; L. Bildsten ; C. Theissen ; N. M. Law ; R. Dekany ; G. Rahmer ; D. Hale ; R. Smith ; E. O. Ofek ; J. Zolkower ; V. Velur ; R. Walters ; J. Henning ; K. Bui ; D. McKenna ; D. Poznanski ; S. B. Cenko ; D. Levitan
Nature Publishing Group (NPG)
Published 2011Staff ViewPublication Date: 2011-06-10Publisher: Nature Publishing Group (NPG)Print ISSN: 0028-0836Electronic ISSN: 1476-4687Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsPublished by: -
2Latest Papers from Table of Contents or Articles in PressA. B. Russell ; R. D. Hood ; N. K. Bui ; M. LeRoux ; W. Vollmer ; J. D. Mougous
Nature Publishing Group (NPG)
Published 2011Staff ViewPublication Date: 2011-07-22Publisher: Nature Publishing Group (NPG)Print ISSN: 0028-0836Electronic ISSN: 1476-4687Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsKeywords: Amidohydrolases/chemistry/genetics/metabolism ; Amino Acid Sequence ; Bacterial Proteins/antagonists & ; inhibitors/chemistry/genetics/*metabolism/secretion ; *Bacterial Secretion Systems ; Bacterial Toxins/antagonists & inhibitors/metabolism ; *Bacteriolysis ; Gram-Negative Bacteria/*cytology/*metabolism ; Hydrolysis ; *Microbial Interactions ; Muramidase/chemistry/genetics/metabolism ; Peptidoglycan/metabolism ; Periplasm/metabolism ; Pseudomonas aeruginosa/enzymology/genetics/growth & development/*metabolism ; Pseudomonas putida/growth & development/metabolism ; Substrate SpecificityPublished by: -
3Latest Papers from Table of Contents or Articles in PressAthanasiadou, D., Jiang, W., Goldbaum, D., Saleem, A., Basu, K., Pacella, M. S., Böhm, C. F., Chromik, R. R., Hincke, M. T., Rodriguez-Navarro, A. B., Vali, H., Wolf, S. E., Gray, J. J., Bui, K. H., McKee, M. D.
American Association for the Advancement of Science (AAAS)
Published 2018Staff ViewPublication Date: 2018-03-31Publisher: American Association for the Advancement of Science (AAAS)Electronic ISSN: 2375-2548Topics: Natural Sciences in GeneralPublished by: -
4Articles: DFG German National LicensesStaff View
ISSN: 1750-3841Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, NutritionProcess Engineering, Biotechnology, Nutrition TechnologyNotes: A reverse osmosis process using membranes with a specific ethanol exclusion rate of 85% was effective in concerning red wines. In order to increase 1% wine ethanol content, a loss of only 2% total pure ethanol was observed. The permeate flow rate was about 2 L/hr/m2.Type of Medium: Electronic ResourceURL: -
5Articles: DFG German National LicensesSOSULSKI, F. ; HUMBERT, E. S. ; BUI, K. ; JONES, J. D.
Oxford, UK : Blackwell Publishing Ltd
Published 1976Staff ViewISSN: 1750-3841Source: Blackwell Publishing Journal Backfiles 1879-2005Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, NutritionProcess Engineering, Biotechnology, Nutrition TechnologyNotes: The functional properties of rapeseed meal, flours, protein concentrates and isolate were evaluated in comparison with those of soybean. Generally, rapeseed products were lower in protein but higher in crude fiber and ash contents than the corresponding soybean flour, concentrate or isolate, Rapeseed flours were comparable to soybean flour in water absorption but showed much higher nitrogen solubility, fat absorption, oil emulsification, whippability and foam stability. The viscoamylograph curves for rapeseed flours were characterized by intermediate peak and high cold viscosities, but their gelation properties were poor. Unfortunately, flour from the low glucosinolate cultivar, Tower, contained 1.2 mg/g of glucosinolates, primarily oxazolidinethione, and only the detoxified concentrates and isolate would be safe for human consumption. Rapeseed concentrates and isolate showed excellent water-and fat-holding capacity and the isolate was high in oil emulsification and whipping characteristics. While superior to soybean products in most functional tests, the utilization of rapeseed products may be limited by green or brown colors in the aqueous slurries.Type of Medium: Electronic ResourceURL: -
6Articles: DFG German National LicensesStaff View
ISSN: 0003-2670Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: Chemistry and PharmacologyType of Medium: Electronic ResourceURL: -
7Articles: DFG German National LicensesStaff View
ISSN: 1435-1463Keywords: CSF ; probenecid ; dihydroxyphenylacetic acid ; homovanillic acid ; 5-hydroxyindolacetic acidSource: Springer Online Journal Archives 1860-2000Topics: MedicineNotes: Summary CSF was removed at a constant flow rate of 1μl/min from the third ventricle of anesthetized rats. Fiveμl CSF samples were directly injected every 15 min into a liquid Chromatographic system coupled with an amperometric detector. Mean CSF values for free dihydroxyphenylacetic acid (DOPAC), homovanillic acid (HVA) and 5-hydroxyindolacetic acid (5-HIAA) were 1.4, 0.9, and 2.6×10−6M respectively. High doses of probenecid resulted in a linear increase of acidic metabolite concentrations which gave an index of the fractional turnover rates related to the resorption by the weak organic acid carrier. Accumulation rates were 0.24, 0.87, and 1.58μmol/l/h for DOPAC, HVA and 5-HIAA respectively. This route of elimination was predominant for 5-HIAA while it represented only a small part of total turnover for DOPAC. A high elimination rate constant for HVA validates the use of control levels of this metabolite as an indication of fractional HVA turnover dependent upon probenecid-sensitive carrier.Type of Medium: Electronic ResourceURL: -
8Articles: DFG German National LicensesQuan-Bui, K. H. ; Devynck, Marie-Aude ; Pernollet, Marie-Gabrielle ; Ben-Ishay, D. ; Meyer, P.
Springer
Published 1981Staff ViewISSN: 1420-9071Source: Springer Online Journal Archives 1860-2000Topics: BiologyMedicineNotes: Summary The cardiac catecholamine content of Sabra rats and their 2 genetically derived substrains, hypertension prone and resistant rats, was studied by high pressure liquid chromatography and electrochemical detection. Both in the control period and after sodium and DOCA administration the cardiac noradrenaline level is higher in hypertension resistant rats than in Sabra rats, and also higher than in hypertension prone rats. This finding suggests that a reduction of the cardiac sympathetic nervous tone is involved in the genetic resistance to sodium.Type of Medium: Electronic ResourceURL: -
9Articles: DFG German National LicensesPoirier, M. F. ; Galzin, A. M. ; Pimoule, C. ; Schoemaker, H. ; Quan Bui, K. H. ; Meyer, P. ; Gay, C. ; Loo, H. ; Langer, S. Z.
Springer
Published 1988Staff ViewISSN: 1432-2072Keywords: Lithium ; 5HT uptake ; [3H]-imipramine binding ; Blood plateletsSource: Springer Online Journal Archives 1860-2000Topics: MedicineNotes: Abstract Platelet [3H]-5HT uptake, [3H]-imipramine binding and endogenous 5HT levels were measured in healthy volunteers during short-term (20 days) administration of lithium, and following its withdrawal. The V max of [3H]-5HT uptake was significantly decreased during lithium treatment. Following lithium withdrawal, platelet [3H]-5HT uptake (V max) remained decreased and was followed by a pronounced rebound effect in some of the subjects for up to 3 months. The affinity constant (K m) of [3H-5HT uptake was not modified. Binding of tritiated imipramine during the same period and platelet 5HT levels measured till 14 days after withdrawal was not affected by lithium treatment. As lithium is devoid of in vitro effects on both 5HT uptake and imipramine binding, it is concluded that the effects of lithium on the 5HT transporter do not reflect a direct effect on the transporter complex. Our results indicate that lithium-induced changes at the level of 5HT uptake in platelets are not correlated with concomitant variations in platelet 5HT content and can be dissociated from modifications at the level of imipramine binding sites within the macromolecular complex of the 5HT transporter. Moreover, platelet 5HT uptake is apparently modulated by lithium, with a similar pattern in healthy volunteers and in manic-depressive patients.Type of Medium: Electronic ResourceURL: -
10Articles: DFG German National LicensesStaff View
ISSN: 1432-2072Keywords: Platelet 5-HT ; Washout period ; ChlorimipramineSource: Springer Online Journal Archives 1860-2000Topics: MedicineNotes: Abstract In platelets of six volunteers taking chlorimipramine (50 mg/day) for 1 week, 5-HT levels were markedly decreased at the time of treatment withdrawal, and remained significantly reduced after a 1-week washout. Individual levels in five subjects remained affected during a 3-week washout. The previously reported observations of reduced serotonin concentration in platelets from depressed patients may reflect a residual effect of previous antidepressant treatment.Type of Medium: Electronic ResourceURL: -
11Articles: DFG German National LicensesStaff View
ISSN: 1432-072XKeywords: Brevibacterium ; Hydrolysis ; Amides ; Biosynthesis ; RepressionSource: Springer Online Journal Archives 1860-2000Topics: BiologyNotes: Abstract The Brevibacterium R 312 strain has an amidase with a wide substrate spectrum previously named “acetamidase”. The study of its activity showed that this enzyme was able to hydrolyze a large number of amides into their corresponding organic acids. The affinity of this enzyme for the substrates varied according to the length of the carbon chain and the spatial crowding of the molecule. The comparison of the specific rates of hydrolysis showed that propionamide was the amide substrate most quickly hydrolyzed. We confirmed the inducible feature of this enzyme and noted that only acetamide and N-methylacetamide were inducers of this enzyme among the compounds tested. Thioacetamide and N-methylpropionamide, both as amide analogues, were shown to inhibit the biosynthesis of acetamidase. Similarly, the organic acids, products of the hydrolysis reaction, showed a strong repression action on the biosynthesis of the enzyme.Type of Medium: Electronic ResourceURL: -
12Articles: DFG German National LicensesStaff View
ISSN: 1573-6776Source: Springer Online Journal Archives 1860-2000Topics: Process Engineering, Biotechnology, Nutrition TechnologyNotes: Summary TheBrevibacterium sp. R 312 strain possesses a nitrile-hydratase and an amidase, both with a wide substrate spectrum. These two enzymes can be used for the bioconversion of nitriles into the corresponding organic acids: the actions of three types of compounds (nitriles, amides and acids) on the activity of the amidase are reported in the present work.Type of Medium: Electronic ResourceURL: -
13Articles: DFG German National LicensesArmstrong, D. W. ; Alak, A. ; Bui, K. ; Demond, W. ; Ward, T. ; Riehl, T. E. ; Hinze, W. L.
Springer
Published 1984Staff ViewISSN: 1573-1111Source: Springer Online Journal Archives 1860-2000Topics: Chemistry and PharmacologyNotes: Abstract The effectiveness of employing stationary phases composed of chemically bonded cyclodextrin molecules in the high performance liquid chromatographic separation of a variety of different types of compounds is summarized. Over one hundred compounds, including optical, geometrical, and structural isomers, diastereomers, and epimers were successfully separated from each other via use of beta- or gamma-cyclodextrin bonded phases and aqueous methanolic mobile phases. The mechanism of separation is based upon inclusion complex formation between the compounds being separated and the cyclodextrin molecules bonded to the stationary phase. The effects of temperature, mobile phase composition and flow rate upon the chromatographic selectivity and resolution are described. The results indicate that the cyclodextrin columns may be more versatile, flexible, and effective compared to the conventional normal or reversed phase columns.Type of Medium: Electronic ResourceURL: