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Denoting the shift of an absorption spectrum maximum to a longer wavelength. Opposite of hypsochromic.
[batho- + G. chrōma, color]
References in periodicals archive ?
The Schiff base and resin displayed Bathochromic shift and a new band in resin as compared to the Schiff base approved polycondensation and supports the formation of resin.
transition in the ligand had completely disappeared while bathochromic shift was observed in n[right arrow][[pi].
The free 7-OH was confirmed by a bathochromic shift upon addition of NaOAc compared to MeOH spectrum (ca 11 nm).
In the case when both the ground state and the excited state of a molecule are nonpolar, a bathochromic shift is generally observed for the corresponding absorption band upon going from a less polarizable solvent to a more polarizable one [14-17].
The absorbance of pocilloporin at 560 nm is significantly reduced by short (10-min) exposures to 60[degrees]C without any accompanying bathochromic shift (Fig.
DTU exhibited bathochromic shift of about 8 nm, whereas, 2-TU demonstrated a hypsochromic shift followed by bathochromic shift as the concentration of CTAB increased from pre-micellar to micellar concentration.
4] Organic acid moiety No organic acid moiety No organic acid moiety [lambda]max in 523 nm, no bathochromic 523 nm, a HCl-methanol and shift as there is no bathochromic shift then in 5% catechol was alcoholic group in the molecule observed due to Al[Cl.
This specific interaction of the dopant with the host polymer influences the PAs properties and the following changes were observed: (i) bathochromic shift of photoluminescence (PL) emission band in DMA solution, (ii) blue shift of absorption bands in DMA solution, (iii) hypsochromic or bathochromic shift of PL emission band in m-cresol solution, (iv) blue shift of absorption bands in MC solution, (v) solubilization of the polymers in organic solvent, by protonation of the polymers.
For 15 years, we have determined urinary vanillylmandelic acid (VMA) by a method [1] that relies on the reaction of extracted VMA with the diazo derivative of p-nitroaniline to give a pink chromophore; the chromophore undergoes a bathochromic shift in the presence of an aprotic solvent and a base to give a blue derivative with maximum absorbance at 600 nm.
It has been concluded that zirconium and molybdenum give 1:2 and 1:1 stoichiometric composition in addition bathochromic shift of 66 and 57 nm metal-oxygen bonds formed at 630 cm-1 (Zr-O) and 632 cm-1 (Mo-O) frequencies replacement of 5-OH and 3'- OH protons presence of water molecules respectively indicate strong evidences of complex formation.
Metformin has been determined by spectrophotometric detection without derivatization [21], but derivatization enhances the sensitivity with some bathochromic shift [22] and has been examined.
This primarily occurs in an acidic solution increasing the electron delocalization of eosin and producing a bathochromic shift of the dye about 30 nm [32].