نتایج جستجو برای: rs stereoisomeric group
تعداد نتایج: 1004891 فیلتر نتایج به سال:
Cochinmicins I, II, III are novel peptolides produced in submerged-fermentation cultures of Microbispora sp. ATCC 55140. These closely related compounds are separated by HPLC and are novel competitive endothelin antagonists. Cochinmicins II and III are stereoisomeric to each other. Cochinmicin I is the deschloro analog of cochinmicin III.
The IEEE 802.16j task group uses the relay station (RS) for the extension of the coverage of the BS and enhancement of throughput. However, if a number of relay stations in a BS cell, the RSs may result in both more frequent handover and higher co-channel interference. To solve this problem, the grouping is required specified in IEEE 802.16j basement document. The selecting method of parent RS ...
Background Clinical RS for HIE are intended to determine trial entry and to compare groups within or between trials. Categorical current schemes do not reflect the broad clinical continuum spectrum of HIE and they were not design for this task. Objective To prospectively validate a new structured multi-item RS for HIE. Methods A standardised structured ordinal RS for HIE with 7 clinical items (...
The effect of omeprazole on oral and intravenous (iv) RS-methadone pharmacokinetics and pharmacodynamics was studied in awake, freely moving rats, which were divided in four groups: oral RS-methadone (3 mg/kg) was given (a) to a control group (CO(oral)) (n = 65) and (b) to an omeprazole pretreated group (OP(oral)) (n = 77), and iv RS-methadone (0.35 mg/kg) was administered (c) to a control grou...
PURPOSE Knowledge of the long-term clinical outcome of Raynaud's syndrome (RS), essential both for patient counselling and formulation of optimal therapeutic recommendations, is conspicuously deficient in current medical literature. We have prospectively monitored 1039 patients with RS, 118 (11.4%) for more than 10 years to determine whether initial characterization was able to predict outcome....
□S Influence of the Stereoisomeric Position of the Reactive Acetate Groups of the Benzo[b]Acronycine derivative S23906-1 on Its DNA Alkylation, Helix-Opening, Cytotoxic, and Antitumor Activities Sabine Depauw, Thomas Gaslonde, Stéphane Léonce, Laurence Kraus-Berthier, William Laine, Gaëlle Lenglet, Angèle Chiaroni, Bruno Pfeiffer, Christian Bailly, Sylvie Michel, François Tillequin, Alain Pierr...
2. Comparisons with synthetic 3-hydroxyand 4-hydroxy-pipecolic acids indicated that the isolated imino acid may not be 4-hydroxypipecolic acid, but 3-hydroxypipecolic acid. Strictly identical behaviour of natural and synthetic 3-hydroxypipecolic acid could not be demonstrated since the two substances differed in stereoisomeric composition. 3. 3-Hydroxyand 4-hydroxy-pipecolic acids have been syn...
This study evaluated the effect of a probiotic bacteria 'Bifidobacterium lactis', the carbohydrate 'resistant starch' (RS) and their combination (synbiotic), on their ability to protect against colorectal cancer (CRC). Bifidobacterium lactis has been shown previously to utilize RS as a substrate and up-regulate the acute apoptotic response to a carcinogen in the colon [Le Leu et al. (2005) J. N...
The respiratory resistive properties of the normal human respiratory system are volume-dependent. The overall flow resistance (Rmax,rs) can be partitioned into airway resistance (Raw) and the additional resistance (delta Rrs) which may result from the viscoelastic properties of the respiratory system, from inequality of time constants (pendelluft), or from both. Because positive end-expiratory ...
Deoxynucleoside kinases catalyze the 5'-phosphorylation of 2'-deoxyribonucleosides with nucleoside triphosphates as phosphate donors. One of the cellular kinases, deoxycytidine kinase (dCK), has been shown to phosphorylate several L-nucleosides that are efficient antiviral agents. In this study we investigated the potentials of stereoisomers of the natural deoxyribonucleoside to serve as substr...
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