CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '9134aed629924dd4',cH: '1PUwwzNDTMNCOqcr2UJt_C.Gsu9MuhFQTxMjRNsBBac-1739783832-1.2.1.1-A1RhbfPMixtg8Xf4LLG1PSsQz_lBHBqlJ1zsxKOigZK.q9UfcXKDuQxEq0CONgc8',cUPMDTk: "\/abstracts\/search?q=MOF&__cf_chl_tk=ZvO6Ay6mhSRDhZca3MjhT1YkT5R_U344E1z8YJNapjI-1739783832-1.0.1.1-ZlkxQr8cmiaLzcXyzkLcX_1MTx1KtB9oKyA2pqn1OVo",cFPWv: 'b',cITimeS: '1739783832',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=MOF&__cf_chl_f_tk=ZvO6Ay6mhSRDhZca3MjhT1YkT5R_U344E1z8YJNapjI-1739783832-1.0.1.1-ZlkxQr8cmiaLzcXyzkLcX_1MTx1KtB9oKyA2pqn1OVo",md: "g9zksvXKlAwNWc8CvBsklUr00HRWGqu8mP_b7I02too-1739783832-1.2.1.1-6HvE0jWGicGqMnow7D84sicXSJBdxw0seyMg8EmyapPJy_Seqhoa4NYp8I9jCyCwrYnp.9hgUN0HRrwlFXI.4egagK1RG_dEfWaoHnU0VcSIAqOUTumRMr_w5abtd8aDp2Ld6fr0aGmkwA6SJLo0.1ORTWjFbMEArxsYa9YZC5jgEcNoSoFgPhpCCGs8B82VPpedhUW308L4whzZTd5FuZdNLv_wDb9aXnV6t2rpQCFltFbX4jei8Jfwd7j6oNctYhIvIYh8cIb8Cnxe2xY86U3ZPgDpLqDuLt_5ExhB1APJ1Jqus1UZ0JkQup6qx_8k_sOpK3buTjqMIt78kjnE26AO8VoPRtA99NeEcgFUNkB8cy1XBsjyxpFlXA7CKPlJPoPk9rRDLZsCXKbl4lfhCJLuAPDF6bvWQCpGXayFdoNA93.8RyIonFkMlOxY8NOfoiOFslGDEkrdgFv1ZDebgfGeJpbMnByelzFK2TsbFnFflRI.iEuKvD8HY1gkX.wyVChhPDyUluNKvuLazrFnnh9mYeBjexC0v0G731KBMitiApyMEeNQU4IGDg7qUKXZVcZIq27qcRFh4QxV23W869iEdmKu.ot5S5SxoRQBb85NmfBK.5P0C_8KB6PIXwE2q204q3M5HdFcs5F2BIJFHlp2ENFw1o_PNJy0DDqqRimFXYqOimVKkYF7jlM0lSXQULOuFdvDmEjEJSc6ANqJzZbUkuBdU6u8vT1SWlV3vQHB7F7LzNHcdFHdhZmZfzf0Lg7_TjrKvpZhfVFlr1ve6w2qVSLkAFjDzhBBsCwZqG1lB5VP3vqvTxvd4Z.QHzCYv6uNAmkcM3rnaP0BOMi6zPxHdZEC8.vXe6BfV_AQ5p6G9YHh6wawOXNK.WCl95KXqH4D2nCJkBepYKDfiVj6MAf7.5SLdxAZxiZgEu_l_ZLF7V0iN8.STPtui_ai8LeaKlHwzq7qh3EnsMx0YTfCadFU2W4Bv_nWnggOmecBktQAOLncgxg8W7iCfihBAnKgJX..5Ra.J0IRqc8nGPsbzZx8k8ftASWKckeONj96W8cG0.MMuk4PAVvQWJEUKBVCqK92Wz.lcSZVlPh5Ad_8SzPb47TxwO6_Zep72kB6dIMyA6XJevleveBoPcXrbNO6Hr1pIchOx3Wi5xsLyfeBrFwBt9IdC0fSxXEipBUTgT8icBycjTMoz_P5NQewgT1Q8q4W5Xrq97YKVS9MP8zjSh8yR13mKBaIEWstN9_JL_bAn._ZyMv5aVeCnzqGyQzbIpAbwRZgziYDfGXlOWMd9ZuD_LfrvWQyNpVbv1x7jFENANFlgr5zFABzAb8ZyZrlzN.6T0Qmp3TwDfSQV67_N_jnWCwtNFEb1FmWiGzDqNwYZODmzFN9v1wq0Yn8ue2HGugDECOS7RIdLKakLstwEW1hywN5Xd9ahapB7IPJNQWUjkOgg0M1STrsGxq8qDydHqh8VUt_GBSahb0TyC6ECL4ogpyGOHEXqs05D_3CdbY22FLl3ELUFE3Z49vmQe6lqIAbNKSHDiuv5HFcQYi3WruhVExV5f0J4BKLCCtwdmVW1SyG8uHW8POeYgaSC6VFDg7g1HnKAvvvRP..BvV2PZWgyYyAh9rD2e8dmp.HeErPh2j_OSA2g5b7ue.GwshRCDf7SOwfQ.mYrxBSt3wbPkxpcb8ihJ9j1i5v.KxhDBonmzWrohqmUOWWofqGfbKLcNC2c9kL86zRP5CXWV4otzxDSpO_GXA5vTg4s.pXMoPXDKknuccbQTWNISLNebBJndnSESXybcpivF_HmnyfWnrQEpzCBIBBfxGUQa5GzyfxtaVwTGeKSUA2RXE.QqV1Kg7hqpRC7Hkgh2htaly2Grp5.Eil7MusNT6tgCd_0.mGivykwUSEqlh84Xn9_7C8",mdrd: "jiUyP1FHtFPnC3mHnubPTMqnubFcGRPwG4uUWGRnbGo-1739783832-1.2.1.1-Fp4xQ9ri1IsOX9KVKOG2KfUKZRbuCNhjH.Obz0jfbCgUAR3sa8Pe5hOo0kyk2QdNk9VqYOQ6e3lGuXSHdYeAsnDs4Bx0wjPn5axN5eA6I.Rx_mtYOAheav7hZv2L8WfT7hNw6TIT.gC5dwIhgFh2kwJK2S.QGeLJGwIq8QMrCB7OhaQm5n_0n5XyIYQ7Xy.yPUlmZ2JzjL.wxQSR7Sq0HI6N0j6U6_gjRJyl7s4_tLxo3riNLaQlnrlP.EoL44EB3qepvB5rXyAL.Iw7mro.BOY4zT1yTArk_qCobu5QUfo4Pw2c9x.bi3RAXojUgZ7d1Qotfd9g8V0Vol2jg9qcyto28kx60jVlrnN7LjwHGjP_akTYiYYWihyAEEFZtob4OTraB4b0F1gA4US0wFskVTSToGyhoudqRR0ioRrxB9W1rhDyppXNiubDfZz80RE8yZqnNSWzKbfrB0wk24mDpD4RgI9V5Gux4iV4Y3w9t.qQOgpnI6R4RG7f8f_CcMwnPUYajDzXm_g_Y0PyJOGEvj1wQ4tyiz8oar29PbrlPW86DA00wpFMHuZzRcwdYjSpHCyz4fJCS6SAMrVu.8rrThGbpmfyWJlkAXjb_rsgvT4xA74gRnilb7QqWpRU1vxL.Gl_ETlulq4lXhTluKqD69ZruVtJF5ly7qwbdWp016Kz5TfXhr5bemBI2Ypa0I.mnk5qtN8alHSpMF6tB94m5vDw8Z.H9S.0BmPocfz0TDzi_Z6i5.S3WFZ8vRlu5tqtFy1cM8zDBWKUOcfd1_EBKYMU_nTS2v_Wu5Yo.Dm2U_2OAXjcY8JSrYt8.muYO.iwbKC0QiK.v_LL.y8swX21ONndOq1wu6o8pi9m8zskycinrtN2.gmcn0J7RTleDOQFMD5G2tb8Li_xKdVMVP.JM1b4dnT0nnBxQCpPYPKcdNFRD2IAJHnhksL0FJxVUeUK2HNAmBvGOQ29qEEkkQqUxXDcgA3fTLJEU.p3CY8i5WpbifOHv7QF.6UtvBorIfCsTXcAEF3SV2ufAhiRVIVG8AW.NQkR6ptSDeRUsPKXZsU49QzSWi8gRrATVe785b8ASp2CNg3psehAMQ0gegKSG22ECFxhU28HpZbWFeSRF8zVOV0ngY3_O0.3qroT8inbaepKUaoIx0N.w1bGpLWJMekd79jH035Inm442Ts48sgEKJXwkKXt.kSEk.ib1sPA18jafP_1WS1.WWQKdqvY5EmOmeFUC_l8EXFF2dEbwDi2jUsRjwBQvFil8CWwr77Qq_BE41Zz.UhyI0_gQ0mq56hVcXxAc0qYOgkH36qwc9tdBV6vXAp_MeHISKNugZrqAGk47MFlbSQ3.8QbPlekmoahL3k5n4IO65txhPiD5wL4cD237E8lFZ4V5pbe5PpgMUQwfcPCQqiCXYrKN9ARi72vfshD8Wvk2JfGhfckNOFEK3dDkwc8Hlj0ScEPymxIA1gDklZ2glPKR0bklFd3nDKowcdx.mcxpsWciGcCG8nf6.Qf41jclxOUUoO5CrLA5icWiMHij3NwFn6eBM502Qv3w_YUymW.qGGiGH_bWEo2TRbp1filUBYQBn89PLijqBB8xPGbE1iM_Z0dgddoog7VFMY3BlaTZHh8yC7.reeCBLeuli8NwnYhtz6CFHdZ9vdjBIYQLgUV_FwAW7_hhzoKIE3RjGl9zsEyz1ayPDhJB3TkU4N6nkTjxCyhu53NT7efHi7AAM3cPgSJaqhvgGNsTuybddP16_FkmDCwuNAu_gjSkgVM03fSumHuBuwEUnSspG7oDt7O.vyInwT5b46bTTeX.ozk4NFKloc5n_WLP8QAPynw75ov19MVoBT8.61siEDx5O9YfCZM5nt5brfOSo9GCPrg78..Y1nFq65mch9.lXzyWNes_E8Qho0dh5z4AhgelrolyGmLXLLp.eM7DvxlDpC4aZzUIPejfVhtQGNDVZH8g0xeAOPLWxDQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9134aed629924dd4';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=MOF&__cf_chl_rt_tk=ZvO6Ay6mhSRDhZca3MjhT1YkT5R_U344E1z8YJNapjI-1739783832-1.0.1.1-ZlkxQr8cmiaLzcXyzkLcX_1MTx1KtB9oKyA2pqn1OVo" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>