نتایج جستجو برای: c8 column
تعداد نتایج: 76476 فیلتر نتایج به سال:
The purpose of this study was to develop an HPLC method for the simultaneous quantification rosmarinic acid and sinensetin in Herba Orthosiphonis spiralis. chromatographic separation performed on Ascentis®C8 column (250 × 4.6 mm, 5 µm) using a gradient elution mode with acetonitrile water containing 0.1% formic as mobile phase. flow rate maintained at 0.6 mL/min. injection volume 10 mL. tempera...
In the present study pharmacokinetics and bioequivalence of 2 brands of ciprofloxacin 500 mg were evaluated in 24 healthy male volunteers after a single dose oral administration in an open, randomized, 2-way crossover study.Blood samples were taken before and within 12 h after the administration of the drug. Plasma concentrations of ciprofloxacin were determined by a simple HPLC method with ult...
Myelin basic protein (MBP), a candidate autoantigen in multiple sclerosis (MS), exists in different isoforms and charge isomers generated by differential splicing of exons and by a combination of posttranslational modifications, respectively. These various isoforms and charge isomers of MBP vary in abundance and most likely serve different functions during myelinogenesis and remyelination. The ...
Abstract Bacterial DNA gyrase and topoisomerase IV control the topological state of during replication represent important antibacterial drug targets. To be successful as candidates, newly synthesized compounds must possess optimal lipophilicity, which enables efficient delivery to site action. In this study, retention behavior twenty-three previously dual inhibitors was tested in RP-HPLC syste...
We demonstrate that the thermal conductivity at nanoscale (scanning microscope) is larger for BTBT than C8-BTBT-C8. This result well supported by theory (AEMD approach) and calculations of vibrational properties.
A general scheme for the synthesis of C8-arylpurine phosphoramidites has been developed. C8-Arylation of C8-bromo-2'-deoxyguanosine is the key step and has been achieved through the use of a Suzuki coupling. Since the coupling reaction is conducted under aqueous conditions, it is unnecessary to protect and then deprotect the hydroxyl groups, thus saving several steps and improving overall yield...
Background: Ketones are the brain’s main alternative fuel to glucose. Dietary medium-chain triglyceride (MCT) supplements increase plasma ketones, but their ketogenic efficacy relative to coconut oil (CO) is not clear. Objective: The aim was to compare the acute ketogenic effects of the following test oils in healthy adults: coconut oil [CO; 3% tricaprylin (C8), 5% tricaprin (C10)], classical M...
Porphyrin YD2-o-C8-based dyes were employed to sensitize room-temperature (RT) chemical-assembled ZnO aggregated anodes for use in dye-sensitized solar cells (DSSCs). To reduce the acidity of the YD2-o-C8 dye solution, the proton in the carboxyl group of a porphyrin dye was replaced with tetrabuthyl ammonium (TBA⁺) in this work. The short-circuit current density (Jsc) of the YD2-o-C8-TBA-sensit...
The modulation of complement functional efficiency by serum histidine-rich glycoprotein (HRG) was investigated. Addition of exogenous HRG to prewarmed diluted serum, followed immediately by sensitized sheep erythrocytes (EA), resulted in enhanced hemolysis. However, when HRG was incubated with diluted serum for 10 minutes at 37 degrees C, inhibition of hemolysis occurred. The biphasic modulatio...
The association of the eighth (C8) and ninth (C9) components of human complement within membrane-bound C5b-9 was investigated using the photosensitive cross-linking reagent N-succinimidyl-6-(4'-azido-2'-nitrophenylamino)hexanoate. Reaction of this reagent with either the purified alpha-gamma or beta subunit of C8 resulted in the introduction of 6-8 mol/mol of photosensitive 6-(4'-azido-2'-nitro...
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