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Synthesis and characterization of two self-assembled [CuGd] and [CuDy] complexes exhibiting the magnetocaloric effect, slow relaxation of magnetization, and anticancer activity

Dalton Transactions, ISSN: 1477-9234, Vol: 52, Issue: 12, Page: 3795-3806
2023
  • 4
    Citations
  • 0
    Usage
  • 6
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

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  • Citations
    4
    • Citation Indexes
      4
  • Captures
    6
  • Mentions
    1
    • News Mentions
      1
      • 1

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Studies from Indian Institute for Technology Further Understanding of Cancer Research (Synthesis and Characterization of Two Self-assembled [Cu6gd3] and [Cu5dy2] Complexes Exhibiting the Magnetocaloric Effect, Slow Relaxation of Magnetization, ...)

2023 APR 12 (NewsRx) -- By a News Reporter-Staff News Editor at Genomics & Genetics Daily -- Fresh data on Cancer Research are presented in

Article Description

Two new paths for coordination driven self-assembly reactions under the binding support of 2-((1-hydroxy-2-methylpropan-2-ylimino)methyl)-6-methoxyphenol (HL) have been discovered from the reactions of Cu(ClO)·6HO, NEt and GdCl/DyCl·6HO in MeOH/CHCl (2 : 1) medium. A similar synthetic protocol is useful to provide two different types of self-aggregated molecular clusters [CuGd(L)(HL)(μ-Cl)(μ-OH)(OH)]ClO·4HO (1) and [CuDy(L)(HL)(μ-Cl)(μ-OH)(ClO)(HO)](ClO)·2NHEtCl·21HO (2). The adopted reaction procedure established the importance of the HO and Cl ions in the mineral-like growth of the complexes, derived from solvents and metal ion salts. In the case of complex 1, one Gd center has been trapped at the central position of the core upheld by six μ-OH and three μ-Cl groups, whereas for complex 2 one Cu center was trapped using four μ-hydroxo and two μ-chlorido groups. The magnetothermal behavior of 1 has been examined for a magnetocaloric effect of −ΔS = 11.3 J kg K at 2 K for ΔH = 7 T, whereas the magnetic susceptibility measurements of 2 showed slow magnetic relaxation with U = 15.8 K and τ = 9.8 × 10 s in zero external dc field. Cancer cell growth inhibition studies proved the potential of both the complexes with interestingly high activity for the CuGd complex against human lung cancer cells. Both complexes 1 and 2 also exhibited DNA and human serum albumin (HSA) binding abilities in relation to the involved binding sites and thermodynamics.

Bibliographic Details

Bhanja, Avik; Roy Chaudhuri, Sangeeta; Canaj, Angelos B; Vyas, Shachi Pranjal; Ortu, Fabrizio; Smythe, Lucy; Murrie, Mark; Goswami, Ritobrata; Ray, Debashis

Royal Society of Chemistry (RSC)

Chemistry

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