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9 tulemused
Change of the kinetics of inclusion in cucurbit[7]uril upon hydrogenation and methylation of palmatine.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
The inclusion of protonated (-)-tetrahydropalmatine (THP+) and dehydrocorydaline (DHC+), natural alkaloids, in the cavity of cucurbit[7]uril was monitored in real time by a spectrofluorimetric method in water at various temperatures. Both guests produced 1 : 1 complexes in enthalpy controlled
Studies on the interaction of palmatine hydrochloride with bovine hemoglobin.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
The interaction between bovine hemoglobin (BHb) and palmatine hydrochloride (PMT) was investigated at different temperatures using multispectroscopy, as well as the effect of common metal ions (Ca(2+) , Mg(2+) , Zn(2+) , Cu(2+) , Fe(2+) , Fe(3+) , Co(2+) , Ni(2+) ) on the BHb-PMT system. Results
Substituent effect on the dynamics of the inclusion complex formation between protoberberine alkaloids and cucurbit[7]uril.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
The kinetics of entry into and exit from the cavity of cucurbit[7]uril (CB7) was studied by the stopped-flow method in water at various temperatures using pharmaceutically important natural isoquinoline alkaloids as guest compounds. The rate constant of the alkaloid-CB7 complex dissociation was
Rapid and sensitive determination of clenbuterol in porcine muscle and swine urine using a fluorescent probe.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
The feed additive Clenbuterol hydrochloric acid (CLB) is non-fluorescent, thus it is difficult to quantify through direct fluorescent method. Palmatine (PAL) can react with cucurbit[7]uril (CB[7]) to form stable complexes as a fluorescent probe. Significant quenching of the fluorescence intensity of
Determination of phenformin hydrochloride employing a sensitive fluorescent probe.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
A complexation of non-fluorescent phenformin hydrochloride (PFH) with cucurbit [7]uril (CB [7]) in aqueous solution was investigated using the fluorescent probe of palmatine (PAL) coupled with CB [7]. The fluorescent probe of CB [7]-PAL exhibited strong fluorescence in aqueous solution, which was
Determination of ranitidine, nizatidine, and cimetidine by a sensitive fluorescent probe.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
A validated, simple, and sensitive fluorescence quenching method for the determination of ranitidine, nizatidine, and cimetidine in tablets and biological fluids is presented. This is the first single fluorescence method reported for the analysis of all three H(2) antagonists. The competitive
A competitive strategy based on cucurbit[7]uril supramolecular interaction for simple and sensitive detection of dibucaine.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
In this work, the competitive interaction between dibucaine and three fluorescent probes (i.e., berberine, palmatine, and coptisine) for occupancy of the cucurbit[7]uril (CB[7]) cavity was studied by fluorescence spectra, UV-visible absorption spectra, (1)H NMR spectra, and theoretical calculations
Determination of ethambutol by a sensitive fluorescent probe.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
The competitive reaction between ethambutol and two fluorescent probes (i.e., berberine and palmatine) for occupancy of the cucurbit[7]uril (CB[7]) cavity was studied by spectrofluorometry. The CB[7] reacts with these probes to form stable complexes, and the fluorescence intensity of the complexes
A fluorescent probe based on cucurbit[7]uril for the selective recognition of phenylalanine.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
Herein we describe a simple fluorescence quenching method for the selective recognition and determination of the amino acid phenylalanine (Phe). The use of 1H NMR spectroscopy revealed that the alkaloid palmatine (PAL) can encapsulated partially into the cavity of cucurbit[7]uril (Q[7])
Kõige täiuslikum ravimtaimede andmebaas, mida toetab teadus
- Töötab 55 keeles
- Taimsed ravimid, mida toetab teadus
- Maitsetaimede äratundmine pildi järgi
- Interaktiivne GPS-kaart - märgistage ürdid asukohas (varsti)
- Lugege oma otsinguga seotud teaduspublikatsioone
- Otsige ravimtaimi nende mõju järgi
- Korraldage oma huvisid ja hoidke end kursis uudisteuuringute, kliiniliste uuringute ja patentidega
Sisestage sümptom või haigus ja lugege ravimtaimede kohta, mis võivad aidata, tippige ürdi ja vaadake haigusi ja sümptomeid, mille vastu seda kasutatakse.
* Kogu teave põhineb avaldatud teaduslikel uuringutel
