• Bulletin of the Korean Chemical Society
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• 제2권2호
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• pp.48-55
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• 1981

A new approach in calculating the dipole moments for transition metal complexes has been proposed and the calculated results are tabulated with the experimental values. The calculated dipole moments are applied to the theoretical prediction or confirmation of the geometric structure for the transition metal complexes.

• Bulletin of the Korean Chemical Society
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• 제18권6호
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• pp.594-599
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• 1997

A number of complexes of transition metal ions with some coumarin derivatives have been prepared and their structures were elucidated with the help of conductometric, photometric and infrared studies. The stability constants of various complexes were determined, in aqueous medium, at different temperatures potentiometrically. The thermodynamic characteristics, ΔG, ΔH and ΔS, were calculated. The electrical behaviour of prepared compounds was followed.

• Bulletin of the Korean Chemical Society
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• 제17권3호
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• pp.285-288
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• 1996

The electrical conductivity of some phthalimide derivatives and their complexes with Co(II), Ni(II), Cu(II), or Zn(II) has been measured in the temperature range 290-435 K. Both the structure of phthalimide molecule and its complexes played an effective role in the conduction process. Conductometric titration and IR spectra were used to characterize the structure of studied samples.

• Archives of Pharmacal Research
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• 제16권1호
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• pp.78-81
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• 1993

Solution equilibria of the thmary systems $UO_2(II)$, La(III), Ce(III)-N-(2-acetamido)-iminodiacetic acid and dicarboxylic amino acids are studied potentiometrically. The formation of 1:1:1 mixed ligand complexes are inferred from the potentiometric titration curves. The formation constants of the different binary and thmary complexes in such system are evaluated at t=$24\pm{0.1}^\circ{C}\;and\;\mu=0.1\;mol\;dm^{-3}(kNO_3)$. It is deduced that the temary complex is more stable than the corresponding binary amino acid anion complex. Moreover, the order og stability of the binary or temary complexes in terms of nature of amino acid and metal ion is investigated and discussed.

• 대한화학회지
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• 제37권2호
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• pp.206-212
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• 1993

즈비터이온인 디티오카바메이트류의 암모늄과 이를 리간드로 한 니켈(Ⅱ)착물을 합성하였다. 이들 니켈(Ⅱ)착물의 적외선 및 전자흡수 스펙트럼과 전도도, 질량분석 등으로 그 특성을 조사하였다. 이들 니켈(Ⅱ)의 디티오카바마토류 착물은 물, 메탄올 및 아세톤과 같은 극성용매에 녹는다. 이들 니켈(Ⅱ)착물의 원소분석과 물리적 측정 결과에서부터 그 가능한 구조를 제시하였다.

• Bulletin of the Korean Chemical Society
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• 제27권7호
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• pp.1020-1024
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• 2006

In this report, we describe the synthesis of mono- and di-valent cationic $3\beta$ [L-Lysinamide-carbamoyl] cholesterol (K-Chol) derivatives by solid-phase peptide synthesis method and the characteristics of K-Chol/antisense oligodeoxynucleotide (ODN) complexes. K-Chol was able to interact with antisense ODNs electrostatically and constructed nanometer-sized complexes of 50-100 nm in diameter. The formation of K-Chol/antisense ODN complexes was demonstrated by non-denaturing polyacrylamide gel electrophoresis assay and atomic force microscopy. The cell-associated radioactivity was measured to monitor the cellular uptake of the complexes containing radioactive antisense ODNs using HL 60 cells.

• 대한화학회지
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• 제28권2호
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• pp.135-142
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• 1984

초과산화이온$(O_2^-)$의 발생원으로서 $KNO_2$를 사용하여 새로운 형태의 산착화합물가교팔라듐착화합물을 합성했다. 이 방법은 구핵치환과 전자 이동에 의한 반응으로서, 저원자가전이금속착화합물에 산소분자를 산화적으로 부가시켜 합성한 종전의 방법과는 완전히 다르다. $O_2^-$에 의하여 {\pi}$-알릴리간드를 갖는 새로운 형태의 5가지 산소가교팔라듐착화합물을 합성했다

• Rapid Communication in Photoscience
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• 제3권3호
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• pp.42-47
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• 2014

Development of molecular and supramolecular systems showing efficient photoinduced energy or electron transfer are of current research interest due to their applications in various chemical and biological processes. Various polypyridine metal complexes including Ru(II), Ru(III), Os(II), Pt(II), Fe(II), Re(I), Ir(III) and so on as a metal center introduce for expanding some more understanding of molecular-scale photoelectronics. Their complexes are concisely classified by the types of relay ligands as follows; (a) metal-direct ligand-metal system; dinuclear or trinuclear systems, (b) metal-nonconjugated ligand-metal system and metal-nonconjugated ligand system having flexible/rigid ligand, (c) metal-conjugated ligand-metal system, and (d) conjugated ligand-metal-conjugated ligand system and metal-self assembly ligand-metal system. It is pointed out that the role played by the relay ligands is important in constructing the metal complexes.

• 약학회지
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• 제36권6호
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• pp.577-581
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• 1992

Norfloxacin complexes of $Fe^{2+}$, $Cu^{2+}$ and $Al^{3+}$ have been prepared as solids. The stoichiometry of the complexes has been established. IR investigation indicates the metal-ligating sites in norfloxacin. The bioactivities of complexes all lower than that of norfloxacin. The solubilities and partition coefficients have been measured as a function of temperature. The data are used to evaluate the thermodynamic parameters ${\Delta}G$, ${\Delta}H$, ${\Delta}S$ for the solute transfer process and compared with the parent quinolone, norfloxacin. The existence of such complexes is discussed in the light of quinolone mode-of-action theories.

• 한국주거학회:학술대회논문집
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• 한국주거학회 2009년도 추계학술발표대회 논문집
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• pp.229-234
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• 2009

Korea's aging population is increasing rapidly every year. In addition, because of the increase in quantity of apartment complexes, the number of elderly living in apartment complexes is also rising steadily. Consequently, caring about the elderly residents is getting more important in apartment complexes. Currently the most common recreational facility for senior in the apartment complex is 'Kyungrodang'. However, 'Kyungrodang' has not been used as an active community area to elderly residents due to lack of leisure programs and other services. The purpose of this study was to give direction to support leisure life and healthy living for senior residents and to make 'Kyungrodang' usable community space for the residents of all generations. In connection with this, this study also identified to find ways to revitalizing for 'Kyungrodang'. The result of the study suggested the ideas than can improve the usably of 'Kyungrodang' not only to the elderly residents but also to all residents in terms of space planning and leisure programs.