<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-17T20:23:11Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:2445/179783" metadataPrefix="mets">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:2445/179783</identifier><datestamp>2025-12-04T19:33:13Z</datestamp><setSpec>com_2072_1057</setSpec><setSpec>col_2072_478908</setSpec><setSpec>col_2072_478917</setSpec><setSpec>col_2072_478933</setSpec></header><metadata><mets xmlns="http://www.loc.gov/METS/" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" ID="&#xa;&#x9;&#x9;&#x9;&#x9;DSpace_ITEM_2445-179783" TYPE="DSpace ITEM" PROFILE="DSpace METS SIP Profile 1.0" xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd" OBJID="&#xa;&#x9;&#x9;&#x9;&#x9;hdl:2445/179783">
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                  <mods:namePart>Terrazas Martínez, Montserrat</mods:namePart>
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                  <mods:namePart>Aviñó Andrés, Anna</mods:namePart>
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                  <mods:namePart>Siddiqui, Maqbool A.</mods:namePart>
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               <mods:name>
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                  <mods:namePart>Marquez, Victor E.</mods:namePart>
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               <mods:name>
                  <mods:role>
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                  <mods:namePart>Eritja i Casadellà, Ramon</mods:namePart>
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                  <mods:dateIssued encoding="iso8601">2021-08-31T10:31:28Z2021-08-31T10:31:28Z2011-05-092021-08-31T10:31:28Z</mods:dateIssued>
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               <mods:abstract>An efficient method for the preparation of siRNAs modified with ribo-like North bicyclo[3.1.0]hexane pseudosugars is described. The combined use of 2'-O-(2-cyanoethoxymethyl) (CEM) and 2'-O-TBDMS protection was successfully employed for RNA synthesis with the added advantage that both groups were efficiently removed in a single step. The resulting North ribo-methanocarba-modified siRNAs are compatible with the intracellular RNAi machinery and can mediate specific degradation of target mRNA.</mods:abstract>
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               <mods:accessCondition type="useAndReproduction">(c) American Chemical Society , 2011 info:eu-repo/semantics/openAccess</mods:accessCondition>
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                  <mods:topic>RNA</mods:topic>
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               <mods:subject>
                  <mods:topic>Nucleòsids</mods:topic>
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               <mods:subject>
                  <mods:topic>Estructura molecular</mods:topic>
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               <mods:subject>
                  <mods:topic>RNA</mods:topic>
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               <mods:subject>
                  <mods:topic>Nucleosides</mods:topic>
               </mods:subject>
               <mods:subject>
                  <mods:topic>Molecular structure</mods:topic>
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               <mods:titleInfo>
                  <mods:title>A direct, efficient method for the preparation of siRNAs containing ribo like North [3.1.0]hexane pseudosugars</mods:title>
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