ultraviolet spectrum
National Institutes of Health
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A series of novel 1,4-dihydro-2,6- dimethyl-3,5-pyridinedicarboxamides were synthesized and characterized by infrared absorption…
Chelating ligand method has been used to synthesize baicalin-metal (Ni2+, Co2+, Cu2+) complexes (BMC). The composition and…
Modern chemical laboratories contain equipment capable of measuring many of the physical properties of single chemical compounds…
a new, effective and economical method to extract ardicrenin from Ardisia crenata Sims collected in the Wolong natural reserve…
Objective To identify the medicinal materials of Radix et Rhizoma Clematidis's by UV spectrophotometry groups.Methods Chloroform…
Gangliosides, a kind of acid glycosphingolipid containing sialic acid, plays a very important physiological role in biomembrane…
Increasing of encompassing level of ultraviolet B (UVB), resulting from lessening of stratospheric ozone layer, has sufficient…
The ultraviolet spectrum (UV), infrared spectrum (IR), nuclear magnetic resonance (NMR) and mass spectrum (MS) of aripiprazole, a…
Abstract The peroxynitrite anion (ONOO-), a major product of the gas-phase interaction between the superoxide radical and nitric…
Besides luteolin 4'-D-glucoside (I) and luteolin (II), a chalcone glycoside (III), C22H24O10·1 1/2 H2O, mp 199-200°, [α]30D-85.2…