Spectrophotometric behaviour of 10-N-methyl 3,6-bis dimethylamino acridine hydrochloride in aqueous solution

Vitagliano, Vincenzo; Costantino, L.; Staiano, Norma; Ortona, Ornella; Wurzburger, Silvana

doi:10.1016/0378-4487(78)80033-8

Cited by 8 publications

(4 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…We have recently studied the association for several N-alkyl derivatives of acridine orange and computed the dimerization constants and other thermodynamic properties to compare them with those of AO available in the literature (6,7).…”

Section: Introductionmentioning

confidence: 99%

Acridine orange association equilibrium in aqueous solution

Costantino¹,

Guarino²,

Ortona³

et al. 1984

J. Chem. Eng. Data

Self Cite

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Acridine orange association equilibrium in aqueous solution

Costantino¹,

Guarino²,

Ortona³

et al. 1984

J. Chem. Eng. Data

Self Cite

View full text Add to dashboard Cite

“…In fact, even in the most concentrated solutions the monomer dye species prevails and the only relevant equilibrium is the dimerization (eq 1). The dimerization constant (in terms of molality) assumes the expression Km = (1 -a1)/(2a12m) (4) where a1 is the fraction of monomer dye and m the stoichiometric dye molality.…”

Section: Discussionmentioning

confidence: 99%

“…The AO dimerization constant in water is 2-3 orders of magnitude higher than in other solvents. In this case several authors suggested that hydrophobic interactions give a dominant contribution to the stacking process (4,6,(11)(12)(13)(14)(15)(16)(17)(18).…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Association of acridine orange in nonaqueous solutions

Vitagliano¹,

Ortona²,

Sartorio³

et al. 1985

J. Chem. Eng. Data

Self Cite

View full text Add to dashboard Cite

show abstract

Über die Phasenumwandlung von Monoschichten des synthetischen Phospholipids DPPA und Vergleich mit DPPC

Erbrich

Septinus

Zimmermann

1982

Ber Bunsenges Phys Chem

View full text Add to dashboard Cite

The monolayer phase transition from the liquid‐condensed to the liquid‐expanded phase of the unusual synthetic phospholipid DPPA has been studied with the Langmuir film balance and compared with literature data of DPPC. DPPA and DPPC have different head groups. DPPA has a quarternary acridine orange (AO) residue instead of the quarternary nitrogen atom of DPPC. – The equilibrium pressure π of the phase transition of DPPA increases linearly with the transition temperature Tu: dπ/dTu = 3.1 · 10−5 N cm−1 K−1. The area change ΔFu = 6.6 · 10−16 cm2 per molecule DPPA at the phase transition is within the limits of error independent of π, in contrast to DPPC and other phospholipids. The transition entropy ΔSu = 125 J K−1 mol−1 and transition enthalpy ΔHu = 38 kJ mol−1 are large in comparison to DPPC under equal experimental conditions. The difference is related to the association of the head groups of DPPA in condensed phase. It agrees qualitatively with the thermodynamic parameters of the dissociation of dimers of AO and N‐alkyl AOs.

show abstract

Spectrophotometric behaviour of 10-N-methyl 3,6-bis dimethylamino acridine hydrochloride in aqueous solution

Cited by 8 publications

References 15 publications

Acridine orange association equilibrium in aqueous solution

Acridine orange association equilibrium in aqueous solution

Association of acridine orange in nonaqueous solutions

Über die Phasenumwandlung von Monoschichten des synthetischen Phospholipids DPPA und Vergleich mit DPPC

Contact Info

Product

Resources

About