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The Shepherd and his Sheep: An Exegetical Study of Psalm 23 In Light of Contemporary Church Leaders
( Jeremiah Temitope Adelodun ) 삼육대학교 선교와사회문제연구소 2020 Asia-Africa Journal of Mission and Ministry(AAMM) Vol.22 No.-
Leaders are to be ladders for the followers, but this appears to be lagging among many leaders in the contemporary society and such trait has eaten deep into the church as a sacred organization/society. Most leaders in recent times tend to lack the necessary role model and understanding needed in rendering their leadership responsibility leading to passion towards material pursuit and egoistical desires. This problem is what this paper seeks to portend solution to in church organizations for a proper understanding and disbursement of roles by church leaders especially towards the members or followers. As such, an understanding of the content of Psalm 23 is to be adopted with the intention of playing a role model for leaders in order to welcome a positive turn around in their attitude towards their followers and members.
A Metal–Organic Framework-Based Material for Electrochemical Sensing of Carbon Dioxide
Gassensmith, Jeremiah J.,Kim, Jeung Yoon,Holcroft, James M.,Farha, Omar K.,Stoddart, J. Fraser,Hupp, Joseph T.,Jeong, Nak Cheon American Chemical Society 2014 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.136 No.23
<P>The free primary hydroxyl groups in the metal–organic framework of CDMOF-2, an extended cubic structure containing units of six γ-cyclodextrin tori linked together in cube-like fashion by rubidium ions, has been shown to react with gaseous CO<SUB>2</SUB> to form alkyl carbonate functions. The dynamic covalent carbon–oxygen bond, associated with this chemisorption process, releases CO<SUB>2</SUB> at low activation energies. As a result of this dynamic covalent chemistry going on inside a metal–organic framework, CO<SUB>2</SUB> can be detected selectively in the atmosphere by electrochemical impedance spectroscopy. The “as-synthesized” CDMOF-2 which exhibits high proton conductivity in pore-filling methanolic media, displays a ∼550-fold decrease in its ionic conductivity on binding CO<SUB>2</SUB>. This fundamental property has been exploited to create a sensor capable of measuring CO<SUB>2</SUB> concentrations quantitatively even in the presence of ambient oxygen.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2014/jacsat.2014.136.issue-23/ja5006465/production/images/medium/ja-2014-006465_0006.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja5006465'>ACS Electronic Supporting Info</A></P>
Strong and Reversible Binding of Carbon Dioxide in a Green Metal–Organic Framework
Gassensmith, Jeremiah J.,Furukawa, Hiroyasu,Smaldone, Ronald A.,Forgan, Ross S.,Botros, Youssry Y.,Yaghi, Omar M.,Stoddart, J. Fraser American Chemical Society 2011 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.133 No.39
<P>The efficient capture and storage of gaseous CO<SUB>2</SUB> is a pressing environmental problem. Although porous metal–organic frameworks (MOFs) have been shown to be very effective at adsorbing CO<SUB>2</SUB> selectively by dint of dipole–quadruple interactions and/or ligation to open metal sites, the gas is not usually trapped covalently. Furthermore, the vast majority of these MOFs are fabricated from nonrenewable materials, often in the presence of harmful solvents, most of which are derived from petrochemical sources. Herein we report the highly selective adsorption of CO<SUB>2</SUB> by CD-MOF-2, a recently described green MOF consisting of the renewable cyclic oligosaccharide γ-cyclodextrin and RbOH, by what is believed to be reversible carbon fixation involving carbonate formation and decomposition at room temperature. The process was monitored by solid-state <SUP>13</SUP>C NMR spectroscopy as well as colorimetrically after a pH indicator was incorporated into CD-MOF-2 to signal the formation of carbonic acid functions within the nanoporous extended framework.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2011/jacsat.2011.133.issue-39/ja206525x/production/images/medium/ja-2011-06525x_0003.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja206525x'>ACS Electronic Supporting Info</A></P>
Patterned Assembly of Quantum Dots onto Surfaces Modified with Click Microcontact Printing
Gassensmith, Jeremiah J.,Erne, Petra M.,Paxton, Walter F.,Frasconi, Marco,Donakowski, Martin D.,Stoddart, J. Fraser WILEY‐VCH Verlag 2013 ADVANCED MATERIALS Vol.25 No.2
<P><B>The self‐assembly of CdSe quantum dots (QDs) onto a patterned silica surface</B> generated from surface microcontact click printing is presented. The mechanically robust self‐assembly process produces patterns of QDs which remain steadfast, even as subsequent reactions are performed on the substrate, demonstrating the utility and ease of this self‐assembly process.</P>