{"id":10249,"date":"2022-07-06T11:00:40","date_gmt":"2022-07-06T11:00:40","guid":{"rendered":"http:\/\/45.119.114.148\/iisernew\/?page_id=10249"},"modified":"2022-09-19T17:00:01","modified_gmt":"2022-09-19T17:00:01","slug":"rfwm_sunil","status":"publish","type":"page","link":"https:\/\/iiser.ntc-us.com\/iisernew\/education-portal\/rfwm_sunil\/","title":{"rendered":"rfwm_sunil"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"10249\" class=\"elementor elementor-10249\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9993d25 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9993d25\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4dcb733\" data-id=\"4dcb733\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e9c5eff elementor-widget elementor-widget-heading\" data-id=\"e9c5eff\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.10.0 - 09-01-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h1 class=\"elementor-heading-title elementor-size-default\">Education Portal<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fe1da0c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fe1da0c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1a237fb\" data-id=\"1a237fb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8ffd6e9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8ffd6e9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wide\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-94901e8\" data-id=\"94901e8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-70e7eaa elementor-widget elementor-widget-heading\" data-id=\"70e7eaa\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Rapid formation of water molecules in diffuse interstellar medium<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bab1b2d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bab1b2d\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.10.0 - 09-01-2023 *\/\n.elementor-widget-divider{--divider-border-style:none;--divider-border-width:1px;--divider-color:#2c2c2c;--divider-icon-size:20px;--divider-element-spacing:10px;--divider-pattern-height:24px;--divider-pattern-size:20px;--divider-pattern-url:none;--divider-pattern-repeat:repeat-x}.elementor-widget-divider .elementor-divider{display:flex}.elementor-widget-divider .elementor-divider__text{font-size:15px;line-height:1;max-width:95%}.elementor-widget-divider .elementor-divider__element{margin:0 var(--divider-element-spacing);flex-shrink:0}.elementor-widget-divider .elementor-icon{font-size:var(--divider-icon-size)}.elementor-widget-divider .elementor-divider-separator{display:flex;margin:0;direction:ltr}.elementor-widget-divider--view-line_icon .elementor-divider-separator,.elementor-widget-divider--view-line_text .elementor-divider-separator{align-items:center}.elementor-widget-divider--view-line_icon .elementor-divider-separator:after,.elementor-widget-divider--view-line_icon .elementor-divider-separator:before,.elementor-widget-divider--view-line_text .elementor-divider-separator:after,.elementor-widget-divider--view-line_text .elementor-divider-separator:before{display:block;content:\"\";border-bottom:0;flex-grow:1;border-top:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--element-align-left .elementor-divider .elementor-divider-separator>.elementor-divider__svg:first-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-left .elementor-divider-separator:before{content:none}.elementor-widget-divider--element-align-left .elementor-divider__element{margin-left:0}.elementor-widget-divider--element-align-right .elementor-divider .elementor-divider-separator>.elementor-divider__svg:last-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-right .elementor-divider-separator:after{content:none}.elementor-widget-divider--element-align-right .elementor-divider__element{margin-right:0}.elementor-widget-divider:not(.elementor-widget-divider--view-line_text):not(.elementor-widget-divider--view-line_icon) .elementor-divider-separator{border-top:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--separator-type-pattern{--divider-border-style:none}.elementor-widget-divider--separator-type-pattern.elementor-widget-divider--view-line .elementor-divider-separator,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:after,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:before,.elementor-widget-divider--separator-type-pattern:not([class*=elementor-widget-divider--view]) .elementor-divider-separator{width:100%;min-height:var(--divider-pattern-height);-webkit-mask-size:var(--divider-pattern-size) 100%;mask-size:var(--divider-pattern-size) 100%;-webkit-mask-repeat:var(--divider-pattern-repeat);mask-repeat:var(--divider-pattern-repeat);background-color:var(--divider-color);-webkit-mask-image:var(--divider-pattern-url);mask-image:var(--divider-pattern-url)}.elementor-widget-divider--no-spacing{--divider-pattern-size:auto}.elementor-widget-divider--bg-round{--divider-pattern-repeat:round}.rtl .elementor-widget-divider .elementor-divider__text{direction:rtl}.e-con-inner>.elementor-widget-divider,.e-con>.elementor-widget-divider{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66dcdb2 elementor-widget elementor-widget-text-editor\" data-id=\"66dcdb2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.10.0 - 09-01-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Water is undoubtedly one of the most important molecules of life. What do you think about where the first water molecule was formed? It is in the space between the stellar systems, the so called the\u00a0<em>interstellar medium (ISM)<\/em>, where the temperatures are 263 degree Celsius less than the freezing point of water and the number of particles in a cubic centimeter of volume (imagine a typical sugar cube!) is a million billion times smaller than the number found in our earth atmosphere! In fact, even the molecules of water that you drink every day may have been formed in the interstellar medium several millions of years ago!<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-fdf8320 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fdf8320\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wide\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-228bffe\" data-id=\"228bffe\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-67d8799 elementor-widget elementor-widget-image\" data-id=\"67d8799\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.10.0 - 09-01-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/iiser.ntc-us.com\/iisernew\/wp-content\/uploads\/elementor\/thumbs\/s1-q3hvh3t6eqkp939nxf6jmp3xdfqbkdzju8xrycqye8.jpg\" title=\"s1\" alt=\"s1\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-eb0efcf\" data-id=\"eb0efcf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dbe7d3e elementor-widget elementor-widget-image\" data-id=\"dbe7d3e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/iiser.ntc-us.com\/iisernew\/wp-content\/uploads\/elementor\/thumbs\/s2-q3hvh3t6eqkp939nxf6jmp3xdfqbkdzju8xrycqye8.png\" title=\"s2\" alt=\"s2\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5da4266 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5da4266\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wide\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-138f6ac\" data-id=\"138f6ac\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6be46b5 elementor-widget elementor-widget-text-editor\" data-id=\"6be46b5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><i>(Left) Simplified network of interstellar chemistry showing the water formation (blue) in front of the Orion nebula (Right) The heart of the experimental setup: the radiofrequency 22-pole ion trap<\/i><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-491f223 elementor-widget elementor-widget-text-editor\" data-id=\"491f223\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>How does the water form in the interstellar medium? Two processes have been proposed by scientists:<\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02be0c4 elementor-widget elementor-widget-text-editor\" data-id=\"02be0c4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>(a) Gas-phase process in which ions produced by cosmic radiation (see the illustration in figure) collide with neutral molecules in successive steps that eventually leads to the formation of gas-phase water molecules.<\/p><p>(b) On the surface of dust grains, micron-sized silicates, for example, floating in the interstellar medium, hydrogen and oxygen atoms freeze, and a catalytic process lead to the formation of frozen water molecules. How efficient are these processes?<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43ef484 elementor-widget elementor-widget-text-editor\" data-id=\"43ef484\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>A recent experimental measurement performed by a team of physicists at the Max Planck Institute for Nuclear Physics, Heidelberg, and the Indian Institute of Science Education and research Tirupati, showed that two major steps in the formation of gaseous water in diffuse interstellar clouds proceed faster than assumed so far. Calculations using a novel method that takes quantum effects into account are in perfect agreement with the experimental results. The new values have wide implications for the understanding of the interstellar chemistry. The study was published in Science Advances [S. Sunil Kumar, Florian Grussie, Yury V. Suleimanov, Hua Guo, Holger Kreckel, Low temperature rates for key steps of interstellar gas-phase water formation, Science Advances\u00a0<strong>4<\/strong>, eaar3417 (2018) doi: 10.1126\/sciadv.aar3417].<\/p><p>\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bc43c3 elementor-widget elementor-widget-text-editor\" data-id=\"1bc43c3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>From Earth, accumulations of gas and dust in space can be observed with telescopes as interstellar clouds. Despite the low temperatures and densities, a variety of molecules is found in interstellar clouds. The backbone of the cold interstellar chemistry is a network of reactions between charged and uncharged atoms or molecules. Even in the early Universe, this led to the formation of molecular hydrogen, H<sub>2<\/sub>.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a494e64 elementor-widget elementor-widget-text-editor\" data-id=\"a494e64\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>In the Universe today, ion-neutral reactions in the gas-phase lead to the production of larger molecules, from protonated water (H<sub>3<\/sub>O<sup>+<\/sup>) to organic compounds. But when one of the protonated and therefore positively charged molecules encounters an electron, it is neutralized and usually breaks up into neutral fragments. This process leads to neutral compounds ranging from water (H<sub>2<\/sub>O) to alcohol and sugar.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7fb42a elementor-widget elementor-widget-text-editor\" data-id=\"d7fb42a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>It is crucial whether a collision between the reaction partners induces the reaction, because collisions are very rare in the interstellar medium. To answer this, laboratory experiments should be performed under conditions existing in the interstellar clouds. As these conditions are difficult to realize in an earth-based laboratory, present astrochemical models are mostly based on the data that have been measured at much higher temperatures and densities, and accordingly are only of limited validity.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ce61f8 elementor-widget elementor-widget-text-editor\" data-id=\"9ce61f8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Water forms in the diffuse interstellar clouds \u2013 where reactions on the surface of interstellar dust play a minor role \u2013 via a chain of processes started by the cosmic radiation. Intermediate products are the hydroxyl ion (OH<sup>+<\/sup>) and the water cation (H<sub>2<\/sub>O<sup>+<\/sup>), which both react with hydrogen molecules, attaching one hydrogen atom and releasing the other one. Now, the present experiments succeeded to measure the reaction rates of these two important steps in the formation of interstellar water at low temperatures. The physicists trapped the ions in a cryogenic radiofrequency multipole ion trap, in which temperatures down to 10 degrees above absolute zero are accessible. Up to about 100 milliseconds after adding a defined amount of hydrogen gas, they determined how fast the ion counts change in the trap. From this data, they derived the so-called rate coefficients which are a measure of the efficiency of the collisions between the reaction partners. It turns out that practically every collision leads to a reaction.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-485e7be elementor-widget elementor-widget-text-editor\" data-id=\"485e7be\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>In parallel, colleagues from Cyprus and USA performed theoretical calculations using a novel method. In an elegant way, this approach employs analogies between quantum systems and the properties of ring-shaped molecules to account for quantum effects which are particularly relevant at low temperatures. The calculated rate coefficients are in excellent agreement with the measured values.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19705aa elementor-widget elementor-widget-text-editor\" data-id=\"19705aa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Compared to previous measurements at room temperature, the new values indicate that the reactions are considerably \u201cfaster\u201d. This has implications for the understanding of interstellar chemistry reaching far beyond the water formation. Since this is experimentally often difficult and time-consuming, it is important to develop theoretical procedures for reactions at these extreme conditions and to test them by means of measurements. The strength of the current work lies in the combination of experimental and theoretical methods, which are still valid at interstellar conditions.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48f4157 elementor-widget elementor-widget-heading\" data-id=\"48f4157\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Publication:<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a1de45 elementor-widget elementor-widget-text-editor\" data-id=\"7a1de45\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Low temperature rates for key steps of interstellar gas-phase water formation<br \/>Sunil S. Kumar, Florian Grussie, Yury V. Suleimanov, Hua Guo, Holger Kreckel<br \/>Science Advances 4, eaar3417 (2018) doi: 10.1126\/sciadv.aar3417<\/p><p>Group homepage:\u00a0<a href=\"http:\/\/www.mpi-hd.mpg.de\/mpi\/astrolab\">http:\/\/www.mpi-hd.mpg.de\/mpi\/astrolab<\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Education Portal Rapid formation of water molecules in diffuse interstellar medium Water is undoubtedly one of the most important molecules of life. What do you think about where the first water molecule was formed? It is in the space between the stellar systems, the so called the\u00a0interstellar medium (ISM), where the temperatures are 263 degree&hellip; <a class=\"more-link\" href=\"https:\/\/iiser.ntc-us.com\/iisernew\/education-portal\/rfwm_sunil\/\">Continue reading <span class=\"screen-reader-text\">rfwm_sunil<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"parent":10216,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_expiration-date-status":"","_expiration-date":0,"_expiration-date-type":"","_expiration-date-categories":[],"_expiration-date-options":[]},"acf":[],"_links":{"self":[{"href":"https:\/\/iiser.ntc-us.com\/iisernew\/wp-json\/wp\/v2\/pages\/10249"}],"collection":[{"href":"https:\/\/iiser.ntc-us.com\/iisernew\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/iiser.ntc-us.com\/iisernew\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/iiser.ntc-us.com\/iisernew\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/iiser.ntc-us.com\/iisernew\/wp-json\/wp\/v2\/comments?post=10249"}],"version-history":[{"count":16,"href":"https:\/\/iiser.ntc-us.com\/iisernew\/wp-json\/wp\/v2\/pages\/10249\/revisions"}],"predecessor-version":[{"id":15735,"href":"https:\/\/iiser.ntc-us.com\/iisernew\/wp-json\/wp\/v2\/pages\/10249\/revisions\/15735"}],"up":[{"embeddable":true,"href":"https:\/\/iiser.ntc-us.com\/iisernew\/wp-json\/wp\/v2\/pages\/10216"}],"wp:attachment":[{"href":"https:\/\/iiser.ntc-us.com\/iisernew\/wp-json\/wp\/v2\/media?parent=10249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}