Nature Communications·· 14 小时前精选AI 评分62
仿生疏水门控MXene/聚吡咯人工离子通道实现高氯酸根高效传感
Biomimetic hydrophobic gating in MXene polypyrrole–based artificial Ion channels for efficient perchlorate sensing
AI 导读
研究团队通过吡咯功能化MXene纳米片与甲基化季铵盐自组装，构建了高氯酸根离子选择性电极，检出限低至10⁻⁹·⁷ M，较商用离子选择性电极低逾10⁴倍，选择性系数K_ij达130.4，最大灵敏度59.6 mV/dec。
推荐理由
该工作把仿生疏水门控引入MXene/聚吡咯复合膜，给出高氯酸根检测的选择性与检出限数据，可供离子传感与选择性膜设计参考。
创新点
将生物钾离子通道的疏水门控机制移植到吡咯功能化MXene与季铵盐自组装通道中，用脱水效应与受限通道传输阻力拉开高氯酸根与硫酸根的能垒差，而非依赖传统离子载体的选择性。
图表、补充材料与最终表述以原文为准。阅读原文
来源：Nature Communications · doi.org
%20Microsoft%20Corporation.%20Permission%20is%20hereby%20granted,%20free%20of%20charge,%20to%20any%20person%20obtaining%20a%20copy%20of%20this%20software%20and%20associated%20documentation%20files%20(the%20'Software'),%20to%20deal%20in%20the%20Software%20without%20restriction,%20including%20without%20limitation%20the%20rights%20to%20use,%20copy,%20modify,%20merge,%20publish,%20distribute,%20sublicense,%20and/or%20sell%20copies%20of%20the%20Software,%20and%20to%20permit%20persons%20to%20whom%20the%20Software%20is%20furnished%20to%20do%20so,%20subject%20to%20the%20following%20conditions:%20The%20above%20copyright%20notice%20and%20this%20permission%20notice%20shall%20be%20included%20in%20all%20copies%20or%20substantial%20portions%20of%20the%20Software.%20THE%20SOFTWARE%20IS%20PROVIDED%20'AS%20IS',%20WITHOUT%20WARRANTY%20OF%20ANY%20KIND,%20EXPRESS%20OR%20IMPLIED,%20INCLUDING%20BUT%20NOT%20LIMITED%20TO%20THE%20WARRANTIES%20OF%20MERCHANTABILITY,%20FITNESS%20FOR%20A%20PARTICULAR%20PURPOSE%20AND%20NONINFRINGEMENT.%20IN%20NO%20EVENT%20SHALL%20THE%20AUTHORS%20OR%20COPYRIGHT%20HOLDERS%20BE%20LIABLE%20FOR%20ANY%20CLAIM,%20DAMAGES%20OR%20OTHER%20LIABILITY,%20WHETHER%20IN%20AN%20ACTION%20OF%20CONTRACT,%20TORT%20OR%20OTHERWISE,%20ARISING%20FROM,%20OUT%20OF%20OR%20IN%20CONNECTION%20WITH%20THE%20SOFTWARE%20OR%20THE%20USE%20OR%20OTHER%20DEALINGS%20IN%20THE%20SOFTWARE%20--%3e%3csvg%20width='32'%20height='32'%20viewBox='0%200%2032%2032'%20fill='none'%20xmlns='http://www.w3.org/2000/svg'%3e%3cpath%20d='M12.8472%203.83391C12.9336%202.79732%2013.8001%202%2014.8403%202H17.1597C18.1999%202%2019.0664%202.79732%2019.1528%203.83391L19.3882%206.6587C19.422%207.06373%2019.8992%207.2614%2020.2095%206.99887L22.3734%205.16789C23.1674%204.49599%2024.3439%204.54493%2025.0795%205.28045L26.7196%206.92056C27.4551%207.65608%2027.504%208.8326%2026.8321%209.62666L25.0012%2011.7905C24.7386%2012.1008%2024.9363%2012.578%2025.3413%2012.6118L28.1661%2012.8472C29.2027%2012.9336%2030%2013.8001%2030%2014.8403V17.1597C30%2018.1999%2029.2027%2019.0664%2028.1661%2019.1528L25.3413%2019.3882C24.9363%2019.422%2024.7386%2019.8992%2025.0012%2020.2095L26.8321%2022.3733C27.504%2023.1674%2027.4551%2024.3439%2026.7196%2025.0794L25.0795%2026.7196C24.3439%2027.4551%2023.1674%2027.504%2022.3734%2026.8321L20.2095%2025.0011C19.8992%2024.7386%2019.422%2024.9363%2019.3882%2025.3413L19.1528%2028.1661C19.0664%2029.2027%2018.1999%2030%2017.1597%2030H14.8403C13.8001%2030%2012.9336%2029.2027%2012.8472%2028.1661L12.6118%2025.3413C12.578%2024.9363%2012.1008%2024.7386%2011.7905%2025.0012L9.62666%2026.8321C8.8326%2027.504%207.65608%2027.4551%206.92056%2026.7196L5.28045%2025.0795C4.54493%2024.3439%204.496%2023.1674%205.16789%2022.3734L6.99888%2020.2095C7.26141%2019.8992%207.06373%2019.422%206.65871%2019.3882L3.83391%2019.1528C2.79732%2019.0664%202%2018.1999%202%2017.1597V14.8403C2%2013.8001%202.79732%2012.9336%203.83391%2012.8472L6.65871%2012.6118C7.06373%2012.578%207.2614%2012.1008%206.99888%2011.7905L5.16789%209.62664C4.496%208.83258%204.54493%207.65606%205.28045%206.92054L6.92056%205.28043C7.65608%204.54491%208.8326%204.49597%209.62666%205.16787L11.7905%206.99884C12.1008%207.26137%2012.578%207.06369%2012.6118%206.65867L12.8472%203.83391ZM21%2016C21%2013.2386%2018.7614%2011%2016%2011C13.2386%2011%2011%2013.2386%2011%2016C11%2018.7614%2013.2386%2021%2016%2021C18.7614%2021%2021%2018.7614%2021%2016Z'%20fill='%23B4ACBC'/%3e%3cpath%20d='M24%2016C24%2020.4183%2020.4183%2024%2016%2024C11.5817%2024%208%2020.4183%208%2016C8%2011.5817%2011.5817%208%2016%208C20.4183%208%2024%2011.5817%2024%2016ZM20.5%2016C20.5%2013.5147%2018.4853%2011.5%2016%2011.5C13.5147%2011.5%2011.5%2013.5147%2011.5%2016C11.5%2018.4853%2013.5147%2020.5%2016%2020.5C18.4853%2020.5%2020.5%2018.4853%2020.5%2016Z'%20fill='%23998EA4'/%3e%3cpath%20d='M10.5%2016C10.5%2012.9624%2012.9624%2010.5%2016%2010.5C19.0376%2010.5%2021.5%2012.9624%2021.5%2016C21.5%2019.0376%2019.0376%2021.5%2016%2021.5C12.9624%2021.5%2010.5%2019.0376%2010.5%2016ZM21%2016C21%2013.2386%2018.7614%2011%2016%2011C13.2386%2011%2011%2013.2386%2011%2016C11%2018.7614%2013.2386%2021%2016%2021C18.7614%2021%2021%2018.7614%2021%2016Z'%20fill='%23CDC4D6'/%3e%3c/svg%3e){kind=small}
%20Microsoft%20Corporation.%20Permission%20is%20hereby%20granted,%20free%20of%20charge,%20to%20any%20person%20obtaining%20a%20copy%20of%20this%20software%20and%20associated%20documentation%20files%20(the%20'Software'),%20to%20deal%20in%20the%20Software%20without%20restriction,%20including%20without%20limitation%20the%20rights%20to%20use,%20copy,%20modify,%20merge,%20publish,%20distribute,%20sublicense,%20and/or%20sell%20copies%20of%20the%20Software,%20and%20to%20permit%20persons%20to%20whom%20the%20Software%20is%20furnished%20to%20do%20so,%20subject%20to%20the%20following%20conditions:%20The%20above%20copyright%20notice%20and%20this%20permission%20notice%20shall%20be%20included%20in%20all%20copies%20or%20substantial%20portions%20of%20the%20Software.%20THE%20SOFTWARE%20IS%20PROVIDED%20'AS%20IS',%20WITHOUT%20WARRANTY%20OF%20ANY%20KIND,%20EXPRESS%20OR%20IMPLIED,%20INCLUDING%20BUT%20NOT%20LIMITED%20TO%20THE%20WARRANTIES%20OF%20MERCHANTABILITY,%20FITNESS%20FOR%20A%20PARTICULAR%20PURPOSE%20AND%20NONINFRINGEMENT.%20IN%20NO%20EVENT%20SHALL%20THE%20AUTHORS%20OR%20COPYRIGHT%20HOLDERS%20BE%20LIABLE%20FOR%20ANY%20CLAIM,%20DAMAGES%20OR%20OTHER%20LIABILITY,%20WHETHER%20IN%20AN%20ACTION%20OF%20CONTRACT,%20TORT%20OR%20OTHERWISE,%20ARISING%20FROM,%20OUT%20OF%20OR%20IN%20CONNECTION%20WITH%20THE%20SOFTWARE%20OR%20THE%20USE%20OR%20OTHER%20DEALINGS%20IN%20THE%20SOFTWARE%20--%3e%3csvg%20width='32'%20height='32'%20viewBox='0%200%2032%2032'%20fill='none'%20xmlns='http://www.w3.org/2000/svg'%3e%3cpath%20d='M4.71839%2018.0233C5.11525%2017.458%205.8952%2017.3215%206.46045%2017.7184L18.5318%2026.1936L17.0946%2028.2406L5.02328%2019.7653C4.45803%2019.3685%204.32152%2018.5885%204.71839%2018.0233Z'%20fill='%235092FF'/%3e%3cpath%20d='M18.5013%202.80347C18.8302%202.3598%2019.4615%202.25982%2019.9114%202.58017L21.5841%203.77124C22.034%204.09158%2022.1321%204.71094%2021.8032%205.15461L13.1102%2016.8809C12.4436%2017.7801%2011.1641%2017.9827%2010.2523%2017.3335C9.34053%2016.6842%209.14176%2015.429%209.80835%2014.5298L18.5013%202.80347Z'%20fill='%23636363'/%3e%3cpath%20d='M18.0472%203.66594C16.8384%203.31432%2015.3804%203.86071%2014.5971%204.91739L11.7749%208.7243L11.9999%2010.0001L10.6024%2010.306L10.3989%2010.5805C9.07399%2012.3677%209.47824%2014.8692%2011.3018%2016.1677C13.1254%2017.4662%2015.6778%2017.07%2017.0027%2015.2828L17.1623%2015.0675L16.9999%2013.5001H18.3242L18.4883%2013.2787C21.992%2013.9302%2023.8684%2016.851%2023.963%2019.8545C24.0149%2021.5041%2023.5209%2023.1307%2022.4806%2024.3899C21.4537%2025.6329%2019.8112%2026.6185%2017.3793%2026.8486C16.5451%2026.9276%2015.9304%2027.6956%2016.0062%2028.564C16.082%2029.4325%2016.8197%2030.0725%2017.6539%2029.9935C20.7829%2029.6974%2023.1847%2028.3804%2024.7802%2026.4491C26.3624%2024.5339%2027.069%2022.1145%2026.9946%2019.751C26.8719%2015.8564%2024.6058%2011.9837%2020.5048%2010.5586L21.2008%209.61967C21.9842%208.56299%2022.0639%207.03517%2021.3491%206.01708L18.0472%203.66594Z'%20fill='%23BEBEBE'/%3e%3cpath%20d='M2%2029.2C2%2027.4327%203.43269%2026%205.2%2026H26.8C28.5673%2026%2030%2027.4327%2030%2029.2C30%2029.6418%2029.6418%2030%2029.2%2030H2.8C2.35817%2030%202%2029.6418%202%2029.2Z'%20fill='%239B9B9B'/%3e%3cpath%20d='M11.7757%208.70947L18.3343%2013.4746L17.1588%2015.0927L10.6001%2010.3275L11.7757%208.70947Z'%20fill='%23D3D3D3'/%3e%3c/svg%3e){kind=small}
%20Microsoft%20Corporation.%20Permission%20is%20hereby%20granted,%20free%20of%20charge,%20to%20any%20person%20obtaining%20a%20copy%20of%20this%20software%20and%20associated%20documentation%20files%20(the%20'Software'),%20to%20deal%20in%20the%20Software%20without%20restriction,%20including%20without%20limitation%20the%20rights%20to%20use,%20copy,%20modify,%20merge,%20publish,%20distribute,%20sublicense,%20and/or%20sell%20copies%20of%20the%20Software,%20and%20to%20permit%20persons%20to%20whom%20the%20Software%20is%20furnished%20to%20do%20so,%20subject%20to%20the%20following%20conditions:%20The%20above%20copyright%20notice%20and%20this%20permission%20notice%20shall%20be%20included%20in%20all%20copies%20or%20substantial%20portions%20of%20the%20Software.%20THE%20SOFTWARE%20IS%20PROVIDED%20'AS%20IS',%20WITHOUT%20WARRANTY%20OF%20ANY%20KIND,%20EXPRESS%20OR%20IMPLIED,%20INCLUDING%20BUT%20NOT%20LIMITED%20TO%20THE%20WARRANTIES%20OF%20MERCHANTABILITY,%20FITNESS%20FOR%20A%20PARTICULAR%20PURPOSE%20AND%20NONINFRINGEMENT.%20IN%20NO%20EVENT%20SHALL%20THE%20AUTHORS%20OR%20COPYRIGHT%20HOLDERS%20BE%20LIABLE%20FOR%20ANY%20CLAIM,%20DAMAGES%20OR%20OTHER%20LIABILITY,%20WHETHER%20IN%20AN%20ACTION%20OF%20CONTRACT,%20TORT%20OR%20OTHERWISE,%20ARISING%20FROM,%20OUT%20OF%20OR%20IN%20CONNECTION%20WITH%20THE%20SOFTWARE%20OR%20THE%20USE%20OR%20OTHER%20DEALINGS%20IN%20THE%20SOFTWARE%20--%3e%3csvg%20width='32'%20height='32'%20viewBox='0%200%2032%2032'%20fill='none'%20xmlns='http://www.w3.org/2000/svg'%3e%3cpath%20d='M3%2013C3%2018.5228%207.47715%2023%2013%2023C18.5228%2023%2023%2018.5228%2023%2013C23%207.47715%2018.5228%203%2013%203C7.47715%203%203%207.47715%203%2013Z'%20fill='%2300A6ED'/%3e%3cpath%20d='M18.3481%207.73205C18.9004%208.68864%2018.7665%209.79989%2018.049%2010.2141C17.3316%2010.6283%2016.3023%2010.1886%2015.75%209.23205C15.1977%208.27547%2015.3316%207.16421%2016.049%206.75C16.7665%206.33579%2017.7958%206.77547%2018.3481%207.73205Z'%20fill='white'/%3e%3cpath%20d='M2%2013C2%2019.0751%206.92487%2024%2013%2024C15.2952%2024%2017.4262%2023.2971%2019.1895%2022.0947C18.9147%2023.3086%2019.2498%2024.6327%2020.195%2025.5779L23.3769%2028.7599C24.8414%2030.2243%2027.2158%2030.2243%2028.6803%2028.7599C30.1447%2027.2954%2030.1447%2024.921%2028.6803%2023.4566L25.4983%2020.2746C24.5607%2019.3371%2023.2503%2018.9997%2022.0445%2019.2626C23.2774%2017.4852%2024%2015.327%2024%2013C24%206.92487%2019.0751%202%2013%202C6.92487%202%202%206.92487%202%2013ZM22%2013C22%2017.9706%2017.9706%2022%2013%2022C8.02944%2022%204%2017.9706%204%2013C4%208.02944%208.02944%204%2013%204C17.9706%204%2022%208.02944%2022%2013Z'%20fill='%23533566'/%3e%3c/svg%3e){kind=small}
%20Microsoft%20Corporation.%20Permission%20is%20hereby%20granted,%20free%20of%20charge,%20to%20any%20person%20obtaining%20a%20copy%20of%20this%20software%20and%20associated%20documentation%20files%20(the%20'Software'),%20to%20deal%20in%20the%20Software%20without%20restriction,%20including%20without%20limitation%20the%20rights%20to%20use,%20copy,%20modify,%20merge,%20publish,%20distribute,%20sublicense,%20and/or%20sell%20copies%20of%20the%20Software,%20and%20to%20permit%20persons%20to%20whom%20the%20Software%20is%20furnished%20to%20do%20so,%20subject%20to%20the%20following%20conditions:%20The%20above%20copyright%20notice%20and%20this%20permission%20notice%20shall%20be%20included%20in%20all%20copies%20or%20substantial%20portions%20of%20the%20Software.%20THE%20SOFTWARE%20IS%20PROVIDED%20'AS%20IS',%20WITHOUT%20WARRANTY%20OF%20ANY%20KIND,%20EXPRESS%20OR%20IMPLIED,%20INCLUDING%20BUT%20NOT%20LIMITED%20TO%20THE%20WARRANTIES%20OF%20MERCHANTABILITY,%20FITNESS%20FOR%20A%20PARTICULAR%20PURPOSE%20AND%20NONINFRINGEMENT.%20IN%20NO%20EVENT%20SHALL%20THE%20AUTHORS%20OR%20COPYRIGHT%20HOLDERS%20BE%20LIABLE%20FOR%20ANY%20CLAIM,%20DAMAGES%20OR%20OTHER%20LIABILITY,%20WHETHER%20IN%20AN%20ACTION%20OF%20CONTRACT,%20TORT%20OR%20OTHERWISE,%20ARISING%20FROM,%20OUT%20OF%20OR%20IN%20CONNECTION%20WITH%20THE%20SOFTWARE%20OR%20THE%20USE%20OR%20OTHER%20DEALINGS%20IN%20THE%20SOFTWARE%20--%3e%3csvg%20width='32'%20height='32'%20viewBox='0%200%2032%2032'%20fill='none'%20xmlns='http://www.w3.org/2000/svg'%3e%3cpath%20d='M20.3432%202.29289C20.1556%202.10536%2019.9013%202%2019.6361%202H7C5.89543%202%205%202.89543%205%204V28C5%2029.1046%205.89543%2030%207%2030H25C26.1046%2030%2027%2029.1046%2027%2028V9.36394C27%209.09872%2026.8946%208.84437%2026.7071%208.65683L20.3432%202.29289Z'%20fill='%23B4ACBC'/%3e%3cpath%20d='M19.6821%203.00001L7%203C6.44772%203%206%203.44772%206%204V28C6%2028.5523%206.44772%2029%207%2029L25%2029C25.5523%2029%2026%2028.5523%2026%2028V9.45333L19.6821%203.00001Z'%20fill='%23F3EEF8'/%3e%3cpath%20d='M9.5%2012H22.5C22.7761%2012%2023%2012.2239%2023%2012.5C23%2012.7761%2022.7761%2013%2022.5%2013H9.5C9.22386%2013%209%2012.7761%209%2012.5C9%2012.2239%209.22386%2012%209.5%2012ZM9.5%2015C9.22386%2015%209%2015.2239%209%2015.5C9%2015.7761%209.22386%2016%209.5%2016H22.5C22.7761%2016%2023%2015.7761%2023%2015.5C23%2015.2239%2022.7761%2015%2022.5%2015H9.5ZM9%2018.5C9%2018.2239%209.22386%2018%209.5%2018H22.5C22.7761%2018%2023%2018.2239%2023%2018.5C23%2018.7761%2022.7761%2019%2022.5%2019H9.5C9.22386%2019%209%2018.7761%209%2018.5ZM9.5%2021C9.22386%2021%209%2021.2239%209%2021.5C9%2021.7761%209.22386%2022%209.5%2022H17.5C17.7761%2022%2018%2021.7761%2018%2021.5C18%2021.2239%2017.7761%2021%2017.5%2021H9.5Z'%20fill='%23998EA4'/%3e%3cpath%20d='M26%209.45325H21.3892C20.4464%209.45325%2019.6821%208.68896%2019.6821%207.74614V3L26%209.45325Z'%20fill='%23CDC4D6'/%3e%3c/svg%3e){kind=small}