PUBLICATIONS

Engineering hydrophobicity and high-index planes of gold nanostructures for highly selective electrochemical CO2 reduction to CO and efficient CO2 capture

Taehui Kwon, Sampath Prabhakaran, Do Hwan Kim, Myung Hwa Kim, Youngmi Lee

Chem. Eng. J. 2024, 485, 150045 doi: 10.1016/j.cej.2024.150045 

Lotus-root-like multichannel nanotubes of IrO2–ZnO for electrocatalysis of pH-universal oxygen evolution reaction: A simple strategy to control the structure and crystallinity

Yoonhee Nam, Dasol Jin, Subin Choi, Doo Hwan Hong, Hoi Ri Moon, Youngmi Lee

Appl. Surf. Sci   2024, 644, 158741 doi: 10.1016/j.apsusc.2023.158741 

Kidney tissue regeneration using bioactive scaffolds incorporated with differentiating extracellular vesicles and intermediate mesoderm cells

Hyeji Yoon, Youngmi Lee, et al.

Biomater. Res.,2023, 27:126 doi: 10.1186/s40824-023-00471-x

RuxCr1−xOy Fiber-in-Tube as Highly Efficient Electrocatalysts for pH-Universal Water Oxidation via Facile Bubble Desorption

Chaewon Song, Dasol Jin, Subin Choi, Youngmi Lee

J. Mater. Chem. A ,2023, 11, 26626–26635 doi: 10.1039/d3ta05897b 

Rational Lattice Engineering of Spinel CoxRh3–xO4 Solid Solution Expediting Oxygen Evolution Reaction

Hyerim Woo, Taehui Kwon, Sampath Prabhakaran, Youngmi Lee, Do Hwan Kim, Myung Hwa Kim

ACS Sustainable Chem. Eng. 2023, 11 (45), 16205-16216     doi: 10.1021/acssuschemeng.3c04304 

Electrochemically programmed evolution of 3-dimensional Ag-microstructure dictating dramatic Raman amplification for sensitive detection of molecules

Dasol Jin, Youngmi Lee, Chongmok Lee, Myung Hwa Kim 

Mater. Today Nano 2023, 24, 100381    doi: 10.1016/j.mtnano.2023.100381 

Bimetallic Ru1-xVxO2 and trimetallic Ru1-x-yVxCryO2 alloy nanofibers for efficient, stable and pH-independent oxygen evolution reaction catalysis

Seoyoung Jeong, Taehui Kwon, Yoonkyeong Kim, Ju Hee Yang, Myung Hwa Kim, Youngmi Lee 

J. Alloys Compd. 2023, 968, 171916    doi: 10.1016/j.jallcom.2023.171916 

Impact of controlling the crystallinity on  bifunctional electrocatalytic performances toward  methanol oxidation and oxygen reduction in binary Pd–Cr solid solution

Dasol Jin, Youngmi Lee, In Young Kim, Chongmok Lee, Myung Hwa Kim 

J. Mater. Chem. A. 2023, 11, 16243    doi: 10.1039/D3TA02782A 

Facile growth of single-phase perovskite CaRuO3 nanofibers as selective electrochemical detection of ascorbic acid

Seok-In Yun, Taehui Kwon, Yoonkyeong Kim, Youngmi Lee, Myung Hwa Kim 

Mater. lett. 2023, 351, 135102    doi: 10.1016/j.matlet.2023.135102 

Bimetallic cobalt-rich Co0.63Ru0.37 nanoalloys encapsulated in carbon nanofibers expediting oxygen evolution reaction under acidic solution

Jisoo Kang, Taehui Kwon, Seungsun Shin, Heeah Oh, Youngmi Lee, Myung Hwa Kim 

J. Alloys and Compd. 2023, 965, 171318    doi: 10.1016/j.jallcom.2023.171318 

Oxygen-vacancy rich IrxMo1-xOy nanofibers for oxygen evolution reaction: excellent pH-universal and electrolyte-concentration-independent catalytic activity

Sung Hwa Ahn, Dasol Jin, Chongmok Lee, Youngmi Lee 

J. Mater. Chem. A 2023, 11, 14941-14951    doi: 10.1039/D3TA01614E 

Single Phase Trimetallic Spinel CoCrxRh2-xO4 Nanofibers for Highly Efficient Oxygen Evolution Reaction under Freshwater Mimicking Seawater Conditions

Dasol Jin, Hyerim Woo, Sampath Prabhakaran, Youngmi Lee, Myung Hwa Kim, Do Hwan Kim, Chongmok Lee

Adv. Funct. Mater. 2023, 33, 2301559    doi: 10.1002/adfm.202301559 

Rational synthesis of phosphorous rich iridium diphosphide (IrP2) nanostructures for electrochemical H2S detection

Seoyoung Jeong, Chaewon Song, Jiwon Kim, Youngmi Lee, Myung Hwa Kim

J. Alloys Compd. 2023, 947, 169649    doi: 10.1016/j.jallcom.2023.169649

Fe-Cu-Rh ternary alloy nanofibers as an outstanding pH-universal electrocatalyst for hydrogen evolution reaction: The catalytic roles of Fe depending on pH

Yoonhee Nam, Dasol Jin, Chongmok Lee, Youngmi Lee

Appl. Surf. Sci. 2023, 611, 155484    doi: 10.1016/j.apsusc.2022.155484 

Noble-metal-free single-phase Co3V2O8 with the structural integrity of nanofibers for the selective detection of ascorbic acid

Dasol Jin, Song Hee Lee, Youngmi Lee, Chongmok Lee, Myung Hwa Kim

CrystEngComm, 2022, 24, 6739    doi: 10.1039/d2ce00931e

Chromium-rich CrxIr1-xO2 wire-in-tube alloys for boosted water oxidation with long standing electrocatalytic activity

Dasol Jin, Jisoo Kang, Sampath Prabhakaran, Youngmi Lee, Myung Hwa Kim, Do Hwan Kim, Chongmok Lee

J. Mater. Chem. A, 2022, 10, 13803    doi: 10.1039/D2TA02984G 

Palladium-rhodium binary oxide composite nanofibers with various composition ratios for highly efficient electrochemical sensing of carbon monoxide in neutral aqueous media

Seungsun Shin, Taehui Kwon, Youngmi Lee

Appl. Surf. Sci. 2022, 598, 53847    doi: 10.1016/j.apsusc.2022.153847 

Single-Phase Perovskite SrIrO3 Nanofibers as a Highly Efficient Electrocatalyst for a pH-Universal Oxygen Evolution Reaction

Seungsun Shin, Taehui Kwon, Kyungmin Kim, Minju Kim, Myung Hwa Kim, Youngmi Lee

ACS Appl. Energy Mater. 2022, 5, 5, 6146–6154     doi: 10.1021/acsaem.2c00551 

Iridium-copper oxide nanotubes catalyzing pH-universal oxygen evolution reaction with highly improved activity and durability via elemental substitution

Yoonkyeong Kim, Dasol Jin, Chongmok Lee, Youngmi Lee

J. Alloys Compd. 2022, 909, 164813    doi: 10.1016/j.jallcom.2022.164813 

IrO2−ZnO Composite Nanorod Array as an Acid-Stable Electrocatalyst with Superior Activity for the Oxygen Evolution Reaction

Dasol Jin, Hyomin Yoo, Youngmi Lee, Chongmok Lee, Myung Hwa Kim

ACS Appl. Energy Mater. 2022, 5, 3, 3810-3820    doi: 10.1021/acsaem.2c00292

Development of an Electrochemical Dual H2S/Ca2+ Microsensor and Its In Vivo Application to a Rat Seizure Model

Jaeyoung Lee, Yoonyi Jeong, Subin Park, Minah Suh, Youngmi Lee

ACS Sens. 2021, 6, 11, 4089-4097     doi: 10.1021/acssensors.1c01612 

Iridium-cobalt alloy nanotubes as a bifunctional electrocatalyst for pH-universal overall water splitting

Yoonkyeong Kim, Areum Yu, Youngmi Lee

Bull Korean Chem Soc. 2021, 42(11), 1524     doi: 10.1002/bkcs.12382 

Amperometric Sensing of Carbon Monoxide: Improved Sensitivity and Selectivity via Nanostructure-Controlled Electrodeposition of Gold

Taehui Kwon, Hee Young Mun, Sunghwa Seo, Areum Yu, Chongmok Lee, Youngmi Lee

Biosensors, 2021, 11(9), 334    doi: 10.3390/bios11090334 

Structural Transformation between Rutile and Spinel Crystal Lattices in Ru-Co Binary Oxide Nanotubes: Enhanced Electron Transfer Kinetics for Oxygen Evolution Reaction

Areum Yu, Myung Hwa Kim, Chongmok Lee, Youngmi Lee 

Nanoscale, 2021, 13, 13776      doi: 10.1039/D1NR02244J 

Au-Ru alloy nanofibers as a highly stable and active bifunctional electrocatalyst for acidic water splitting

Taehui Kwon, Areum Yu, Su-jin Kim, Myung Hwa Kim, Chongmok Lee, Youngmi Lee 

Appl. Surf. Sci. 2021, 563, 150293     doi: 10.1016/j.apsusc.2021.150293 

A fascinating pH independent catalyst for hydrogen evolution reaction: Crystalline bimetallic hcp-CoxRh1-x alloy nanofibers driven by thermally induced phase transition from a single phase of CoRh2O4 

Dasol Jin, Youngmi Lee, Myung Hwa Kim, Chongmok Lee  

Appl. Surf. Sci. 2021, 553, 149568      doi: 10.1016/j.apsusc.2021.149568

Direct growth of single crystalline ReO3 nanorods on a tungsten (W) microwire for enhanced electron-transfer reaction kinetics

Yejin Ha, Yejung Lee, Areum Yu, Song Hee Lee, Chongmok Lee, Myung Hwa Kim, Youngmi Lee  

Curr. Appl. Phys. 2021, 21, 20-24     doi: 10.1039/D1NR02244J

Highly Catalytic Electrochemical Oxidation of Carbon Monoxide on Iridium Nanotubes: Amperometric Sensing of Carbon Monoxide

Areum Yu, Taehui Kwon, Chongmok Lee, Youngmi Lee

Nanomaterials, 2020, 10(6), 1140     doi: 10.3390/nano10061140  

NixRh1-xOy Composite Nanofibres as Highly Efficient and Robust Oxygen Evolution Electrocatalysts

Dasol Jin, Areum Yu, Youngmi Lee, Myung Hwa Kim, Chongmok Lee 

J. Alloys Compd. 2020, 836, 155309     doi: 10.1016/j.jallcom.2020.155309  

Au-Ir Alloy Nanofibers Synthesized from Au-Ir/IrO2 Composites via Thermal Hydrogen Treatment: Application for Glucose Oxidation

Areum Yu, Sinyoung Moon, Taehui Kwon, Yun-Bin Cho, Myung Hwa Kim, Chongmok Lee, Youngmi Lee

Sens. Actuators B: Chem. 2020, 310, 127822     doi: 10.1016/j.snb.2020.127822  

NixRh1-x Bimetallic Alloy Nanofibers as a pH-Universal Electrocatalyst for the Hydrogen Evolution Reaction: the Synthetic Strategy and Fascinating Electroactivity

Dasol Jin, Areum Yu, Youngmi Lee, Myung Hwa Kim, Chongmok Lee  

J. Mater. Chem. A, 2020, 8, 8629-8637     doi: 10.1039/D0TA02005B 

Boosted Electron-Transfer Kinetics of Hydrogen Evolution Reaction at Bimetallic RhCo Alloy Nanotubes in Acidic Solution 

Areum Yu, So Yeon Kim, Chongmok Lee, Myung Hwa Kim, Youngmi Lee

ACS Appl. Mater. Interfaces, 2019, 11, 50, 46886-46893    doi: 10.1021/acsami.9b16892 

An Efficient Electrochemical Sensor Driven by Hierarchical Hetero-Nanostructures Consisting of RuO2 Nanorods on WO3 Nanofibers for Detecting Biologically Relevant Molecules 

Hyerim Lee, Yeomin Kim, Areum Yu, Dasol Jin, Ara Jo, Youngmi Lee, Myung Hwa Kim, Chongmok Lee 

Sensors, 2019, 19 (15), 3295     doi: 10.3390/s19153295 

Comparative Study on Hydrogen Evolution Reaction Activity of Electrospun Nanofibers with Diverse Metallic Ir and IrO2 Composition Ratios 

Su-jin Kim, Hyeseung Jung, Chongmok Lee, Myung Hwa Kim, Youngmi Lee    

ACS Sustainable Chem. Eng. 2019, 7, 9, 8613-8620     doi: 10.1021/acssuschemeng.9b00402  

Selectivity Enhancement of Amperometric Nitric Oxide Detection via Shape-Controlled Electrodeposition of Platinum Nanostructures 

Sohee Kim, Yejin Ha, Su-jin Kim, Chongmok Lee, Youngmi Lee   

Analyst, 2019, 144, 258-264      doi: 10.1039/C8AN01518J 

Single Phase of Spinel Co2RhO4 Nanotubes with Remarkably Enhanced Catalytic Performance for the Oxygen Evolution Reaction 

So Yeon Kim, Areum Yu, Yejung Lee, Ha Yeon Kim, Yeon Jae Kim, Nam-Suk Lee, Chongmok Lee, Youngmi Lee, Myung Hwa Kim

Nanoscale, 2019, 11, 9287-9295    doi: 10.1039/C9NR02197C 

Single-Step Electrospun Ir/IrO2 Nanofibrous Structures Decorated with Au Nanoparticles for Highly Catalytic Oxygen Evolution Reaction

Sinyoung Moon, Yun-Bin Cho, Areum Yu, Myung Hwa Kim, Chongmok Lee, Youngmi Lee   

ACS Appl. Mater. Interfaces, 2019, 11, 2, 1979-1987      doi: 10.1021/acsami.8b14563 

Highly Dispersive Gold Nanoparticles on Carbon Black for Oxygen and Carbon Dioxide Reduction

Yeomin Kim, Ara Jo, Yejin Ha, Yongjin Lee, Dongil Lee, Youngmi Lee, Chongmok Lee

Electroanalysis 2018, 30, 2861-2868     doi: 10.1002/elan.201800555 

Dielectric Breakdown and Post-Breakdown Dissolution of Si/SiO2 Cathodes in Acidic Aqueous Electrochemical Environment

Jeongse Yun, Yun-Bin Cho, Woohyuk Jang, Jae Gyeong Lee, Samuel Jaeho Shin, Seok Hee Han, Youngmi Lee, Taek Dong Chung   

Sci. Rep. 2018, 8, 1911-1917     doi: 10.1038/s41598-018-20247-x 

Local Electrodeposition of Metals by Tip Electrode Dissolution Using Scanning Electrochemical Microscopy

Ara Jo, Youngmi Lee, Chongmok Lee  

Electroanalysis 2018, 30, 2689-2695     doi: 10.1002/elan.201800515 

Evolution of Silver to a Better Electrocatalyst: Water-Assisted Oxygen Reduction Reaction at Silver Chloride Nanowires in Alkaline Solution 

Su-jin Kim, Seung-Cheol Lee, Chongmok Lee, Myung Hwa Kim, Youngmi Lee   

Nano Energy, 2018, 48, 134-143     doi: 10.1016/j.nanoen.2018.03.041  

Synthesis and catalytic activity of electrospun NiO/NiCo2O4 nanotubes for CO and acetaldehyde oxidation

Il Hee Kim, Hyerim Lee, Areum Yu, Jae Hwan Jeong, Youngmi Lee, Myung Hwa Kim, Chongmok Lee and Young Dok Kim   

Nanotechnology, 2018, 29, 175702     doi: 10.1088/1361-6528/aaaf12   

Electrodeposited Nanoporous Ruthenium Oxide for Simultaneous Quantification of Ascorbic Acid and Uric Acid Using Chronoamperometry at Two Different Potentials 

Yejin Yang, Ara Jo, Youngmi Lee, Chongmok Lee  

Sens. Actuators B: Chem. 2018, 255, 316-324.      doi: 10.1016/j.snb.2017.08.089   

Fundamental Study of Facile and Stable Hydrogen Evolution Reaction at Electrospun Ir and Ru Mixed Oxide Nanofibers

Yun-Bin Cho, Areum Yu, Chongmok Lee, Myung Hwa Kim, Youngmi Lee  

ACS Appl. Mater. Interfaces, 2018, 10, 1, 541-549    doi: 10.1021/acsami.7b14399 

A Facile Growth Process of Highly Single Crystalline Ir1−xVxO2 Mixed Metal Oxide Nanorods and Their Electrochemical Properties 

Sung Hee Chun, Hyun Yeong Kim, Hyesu Jang, Yejung Lee, Ara Jo, Nam-Suk Lee, Hak Ki Yu, Youngmi Lee, Myung Hwa Kim, Chongmok Lee  

CrystEngComm, 2017, 19, 3455-3464     doi: 10.1039/C7CE00637C  

Amperometric Microsensors Monitoring Glutamate-Evoked In Situ Responses of Nitric Oxide and Carbon Monoxide from Live Human Neuroblastoma Cells  

Yejin Ha, Chaejeong Heo, JuhyunWoo, Hyunwoo Ryu, YoungmiLee, Minah Suh

Sensors, 2017, 17(7), 1661    doi: 10.3390/s17071661  

Insertable NO/CO Microsensors Recording Gaseous Vasomodulators Reflecting Differential Neuronal Activation Level with Respect to Seizure Focus 

Yejin Ha, Youngmi Lee, Minah Suh 

ACS Chem. Neurosci. 2017, 8, 9, 1853-1858     doi: 10.1021/acschemneuro.7b00141 

Nanotubular Iridium–Cobalt Mixed Oxide Crystalline Architectures Inherited from Cobalt Oxide for Highly Efficient Oxygen Evolution Reaction Catalysis

Areum Yu, Chongmok Lee, Myung Hwa Kim, Youngmi Lee

ACS Appl. Mater. Interfaces 2017, 9, 40, 35057-35066      doi: 10.1021/acsami.7b12247   

Real‐Time Selective Detection of Hydrogen Peroxide Based on a Tantalum Deposited Pencil Lead Electrode for Evaluation of Enzyme Activities

Ara Jo, Youngmi Lee, Chongmok Lee 

Electroanalysis, 2017, 29, 2254.    doi: 10.1002/elan.201700315  

Repeated Oral Administration of Human Serum Albumin Protects from the Cerebral Ischemia in Rat Brain Following MCAO  

Hyejin Park, Minyoung Hong, Gil-Ja Jhon, Youngmi Lee, Minah Suh 

Exp Neurobiol. 2017, 26,151-157    doi: 10.5607/en.2017.26.3.151

One-Pot Electrodeposition of Cobalt Flower-Decorated Silver Nanotrees for Oxygen Reduction Reaction 

Yun-Bin Cho, Sinyoung Moon, Chongmok Lee, Youngmi Lee 

Appl. Surf. Sci. 2017, 394, 267–274    doi: 10.1016/j.apsusc.2016.10.068 

Cerebral Hemodynamics and Vascular Reactivity in Mild and Severe Ischemic Rodent Middle Cerebral Artery Occlusion Stroke Models 

Jeongeun Sim, Areum Jo, Bok-Man Kang, Sohee Lee, Oh Young Bang, Chaejeong Heo, Gil-Ja Jhon, Youngmi Lee, Minah Suh

Exp Neurobiol. 2016, 25(3), 130-138     doi: 10.5607/en.2016.25.3.130     

Dual Electrochemical Microsensor for Real-Time Simultaneous Monitoring of Nitric Oxide and Potassium Ion Changes in a Rat Brain during Spontaneous Neocortical Epileptic Seizure 

Jungmi Moon, Yejin Ha, Misun Kim, Jeongeun Sim, Youngmi Lee, Minah Suh  

Anal. Chem. 2016, 88, 18, 8942-8948     doi: 10.1021/acs.analchem.6b02396    

Electroactivity of nanoporous platinum depending on the porosity and potential for various electrode reactions 

Yun-Bin Cho, Ji Eon Kim, Chongmok Lee, Youngmi Lee 

J. Electroanal. Chem. 2016, 768, 121–128     doi: 10.1016/j.jelechem.2016.03.002    

Electrodeposition of tantalum on carbon black in non-aqueous solution and its electrocatalytic properties 

Ara Jo, Youngmi Lee, Chongmok Lee 

Anal. Chim. Acta, 2016, 933, 59-65     doi: 10.1016/j.aca.2016.05.030      

Highly Efficient Silver-Cobalt Composite Nanotube Electrocatalysts for Favorable Oxygen Reduction Reaction

Areum Yu, Chongmok Lee, Nam-Suk Lee, Myung Hwa Kim, Youngmi Lee 

ACS Appl. Mater. Interfaces, 2016, 8, 48, 32833-32841    doi: 10.1021/acsami.6b11073       

Dual Electrochemical Microsensor for Real-Time Simultaneous Monitoring of Nitric Oxide and Potassium Ion Changes in a Rat Brain during Spontaneous Neocortical Epileptic Seizure 

Jungmi Moon, Yejin Ha, Misun Kim, Jeongeun Sim, Youngmi Lee, Minah Suh  

Anal. Chem. 2016, 88, 18, 8942-8948    doi: 10.1021/acs.analchem.6b02396      

Insertable Fast-Response Amperometric NO/CO Dual Microsensor: Study of Neurovascular Coupling During Acutely Induced Seizures of Rat Brain Cortex 

Yejin Ha, Jeongeun Sim, Youngmi Lee, Minah Suh 

Anal. Chem. 2016, 88, 5, 2563-2569     doi: 10.1021/acs.analchem.5b04288 

Hybrid architecture of rhodium oxide nanofibers and ruthenium oxide nanowires for electrocatalysts 

Yu Lim Kim, Yejin Ha, Nam-Suk Lee, Joo Gon Kim, Jeong Min Baik, Chongmok Lee, Kyunghwan Yoon, Youngmi Lee, Myung Hwa Kim 

J. Alloys Compd. 2016, 663, 574-580     doi: 10.1016/j.jallcom.2015.12.141      

Location-dependent sensing of nitric oxide and calcium ions in living rat kidney using an amperometric/potentiometric dual microsensor 

Yee Seul Kim, Yejin Ha, Jungeun Sim, Minah Suh, Youngmi Lee 

Analyst, 2016, 141, 297-304     doi: 10.1039/C5AN01804H     

Highly Branched RuO2 Nanoneedles on Electrospun TiO2 Nanofibers as an Efficient Electrocatalytic Platform 

Su-jin Kim, Yu Kyung Cho, Jeesoo Seok, Nam-Suk Lee, Byungrak Son, Jae Won Lee, Jeong Min Baik, Chongmok Lee, Youngmi Lee, Myung Hwa Kim 

ACS Appl. Mater. Interfaces, 2015, 7, 28, 15321-15330   doi: 10.1021/acsami.5b03178     

Study of Porosity-Dependent Oxygen Reduction at Porous Platinum Tips Using Scanning Electrochemical Microscopy

Yun-Bin Cho, Chongmok Lee, and Youngmi Lee 

J. Electrochem. Soc. 2015, 162(10), H792-H798   doi: 10.1149/2.0841510jes      

Alteration of the morphology and electrocatalytic activity of IrO2 nanowires upon reduction by hydrogen gas 

Yejin Ha, Hayoung Jung, Chongmok Lee, Myung Hwa Kim, Youngmi Lee 

Sens. Actuators B: Chem. 2015, 216,159–164    doi: 10.1016/j.snb.2015.04.037     

Non-monotonous dependence of the electrical conductivity and chemical stability of a graphene reestanding film on the degree of reduction 

Yun Kyung Jo, In Young Kim, Su-jin Kim, Su In Shin, Ara Go, Youngmi Lee, Seong-Ju Hwang 

RSC Adv. 2015, 5, 19259-19263    doi: 10.1039/C5RA00309A      

The real-time in vivo electrochemical measurement of nitric oxide and carbon monoxide release upon direct epidural electrical stimulation of the rat neocortex 

Sarah S. Park, Minyoung Hong, Yejin Ha, Jeongeun Sim, Gil-Ja Jhon, Youngmi Lee, Minah Suh 

Analyst, 2015, 140, 3415-3421    doi: 10.1039/C5AN00122F        

RuO2–ReO3 composite nanofibers for efficient electrocatalytic responses 

Yu Lim Kim, Hyun-A Choi, Nam-Suk Lee, Byungrak Son, Hee Jun Kim, Jeong Min Baik, Youngmi Lee, Chongmok Lee,  Myung Hwa Kim 

Phys. Chem. Chem. Phys. 2015, 17, 7435-7442    doi: 10.1039/C4CP05615A    

Electrospun RuO2–Co3O4 hybrid nanotubes for enhanced electrocatalytic activity 

Hye Su Jang, Yejin Yang, Nam-Suk Lee, Byungrak Son, YoungmiLee, Chongmok Lee, Myung Hwa Kim 

Mater. Lett. 2015, 139, 405–408    doi: 10.1016/j.matlet.2014.10.123  

Spongelike Nanoporous Pd and Pd/Au Structures: Facile Synthesis and Enhanced Electrocatalytic Activity 

Jungwoo Son, Seunggi Cho, Chongmok Lee, Youngmi Lee, and Jun Ho Shim 

Langmuir, 2014, 30, 12, 3579-3588    doi: 10.1021/la4047947      

Facile Synthesis of AuPd Nanochain Networks on Carbon Supports and Their Application as Electrocatalysts for Oxygen Reduction Reaction 

Areum Cha, Jun Ho Shim, Ara Jo, Sang Cheol Lee, Youngmi Lee, and Chongmok Lee 

Electroanalysis, 2014, 26, 723-731   doi: 10.1002/elan.201300553     

Electrospun iridium oxide nanofibers for direct selective electrochemical detection of ascorbic acid 

Su-jin Kim, Yu Lim Kim, Areum Yu, Jiyoung Lee, Sang Cheol Lee,Chongmok Lee, Myung Hwa Kim, Youngmi Lee

Sens. Actuators B: Chem. 2014, 196, 480-488   doi: 10.1016/j.snb.2014.02.032  

Nonenzymatic amperometric sensor for ascorbic acid based on hollow gold/ruthenium nanoshells 

Ara Jo , Minkyung Kang,  Areum Cha,  Hye Su Jang,  Jun Ho Shim,  Nam-Suk Lee,  Myung Hwa Kim,  Youngmi Lee, Chongmok Lee 

Anal. Chim. Acta, 2014, 819, 94-101   doi: 10.1016/j.aca.2014.02.017

Biological application of RuO2 nanorods grown on a single carbon fiber for the real-time direct nitric oxide sensing 

Su-jin Kim, Hayoung Jung, Chongmok Lee, Myung Hwa Kim, Youngmi Lee 

Sens. Actuators B: Chem. 2014, 191, 298-304    doi: 10.1016/j.snb.2013.09.103

Simple Electrodeposition of Dendritic Pd Without Supporting Electrolyte and Its Electrocatalytic Activity Toward Oxygen Reduction and H2O2 Sensing 

Minkyung Kang, Yejin Yang, Jun Ho Shim, Sang Cheol Lee, Youngmi Lee, Chongmok Lee 

Electroanalysis, 2013, 25, 2691-2699    doi: 10.1002/elan.201300399  

Highly efficient electrochemical responses on single crystalline ruthenium-vanadium mixed metal oxide nanowires  

Sung Hee Chun,Hyun-A Choi, Minkyung Kang, Moonjee Koh, Nam-Suk Lee, Sang Cheol Lee, Minyung Lee,        Youngmi Lee, Chongmok Lee, Myung Hwa Kim 

ACS Appl. Mater. Interfaces, 2013, 5, 17, 8401-8406    doi: 10.1021/am4016445 

Oxidation-state dependent electrocatalytic activity of iridium nanoparticles supported on graphene nanosheets 

Jun Ho Shim, Ji Eon Kim, Yun-Bin Cho, Chongmok Lee, Youngmi Lee 

Phys. Chem. Chem. Phys. 2013, 15, 15365-15370    doi: 10.1039/C3CP51780B 

A dual electrochemical microsensor for simultaneous imaging of oxygen and pH over the rat kidney surface 

Yejin Ha, Dongshin Myung, Jun Ho Shim, Myung Hwa Kim, Youngmi Lee  

Analyst, 2013, 138, 5258-5264    doi: 10.1039/C3AN00878A 

Synthesis and electrocatalytic activity of highly porous hollow palladium nanoshells for oxygen reduction in alkaline solution  

Yun-Bin Cho, Ji Eon Kim, Jun Ho Shim, Chongmok Lee, Youngmi Lee 

Phys. Chem. Chem. Phys. 2013, 15, 11461-11467   doi: 10.1039/C3CP50661D  

A beneficial role of exfoliated layered metal oxide nanosheets in optimizing the electrocatalytic activity and pore structure of Pt-reduced graphene oxide nanocomposites 

Su In Shin, Ara Go, In Young Kim, Jang Mee Lee, Youngmi Lee, Seong-Ju Hwang 

Energy Environ. Sci. 2013, 6, 608-617   doi: 10.1039/C2EE22739H 

The effect of electrochemical pretreatment on the catalytic activity of carbon-supported gold nanoparticles for NADH oxidation 

Jun Ho Shim, Jiyoung Kim, Ara Go, Chongmok Lee, Youngmi Lee 

Mater. Lett. 2013, 91, 330-333   doi: 10.1016/j.matlet.2012.10.005 

Hierarchically grown single crystalline RuO2 nanorods on vertically aligned few-walled carbon nanotubes

Yumin Lee, Byungwoo Kim, Hyun Jung Jung, Jun Ho Shim, Youngmi Lee, Chongmok Lee, Jeong Min Baik, Woong Kim, Myung Hwa Kim

Mater. Lett. 2012, 89, 115-117   doi: 10.1016/j.matlet.2012.08.097     

Single Carbon Fiber Decorated with RuO2 Nanorods as a Highly Electrocatalytic Sensing Element

Minkyung Kang, Yumin Lee, Hayoung Jung, Jun Ho Shim, Nam-Suk Lee, Jeong Min Baik, Sang Cheol Lee, Chongmok Lee, Youngmi Lee, Myung Hwa Kim 

Anal. Chem. 2012, 84, 21, 9485-9491   doi: 10.1021/ac302334t    

Growth of Highly Single Crystalline IrO2 Nanowires and Their Electrochemical Applications

Yumin Lee, Minkyung Kang, Jun Ho Shim, Nam-Suk Lee, Jeong Min Baik, Youngmi Lee, Chongmok Lee, Myung Hwa Kim 

J. Phys. Chem. C 2012, 116, 34, 18550-18556   doi: 10.1021/jp306900m   

Measurements of Location-Dependent Nitric Oxide Levels on Skin Surface in relation to Acupuncture Point

Yejin Ha, Misun Kim, Jiseon Nah, Minah Suh, Youngmi Lee

J. Evidence-Based Complementary Altern. Med. 2012, 781460   doi: 10.1155/2012/781460  

Study of the Primo-Vascular System and Location-Dependent Oxygen Levels for a Mouse Embryo

Minyoung Hong, Sarah S. Park, Hyunkyung Do, Gil-Ja Jhon, Minah Suh, Youngmi Lee 

J. Nanosci. Nanotechnol. 2012, 12, 7, 5168-5172   doi: 10.1166/jnn.2012.6374  

Heterogeneity of Skin Surface Oxygen Level of Wrist in Relation to Acupuncture Point

Minyoung Hong, Sarah S. Park, Yejin Ha, Jaegeun Lee, Kwangsik Yoo, Gil-Ja Jhon, Minah Suh, Youngmi Lee

J. Evidence-Based Complementary Altern. Med. 2012, 106762   doi: 10.1155/2012/106762 

One dimensional Ag/Au/AgCl nanocomposites stemmed from Ag nanowires for electrocatalysis of oxygen reduction

Jun Ho Shim, Jihye Yang, Su-jin Kim, Chongmok Lee, Youngmi Lee 

J. Mater. Chem. 2012, 22, 15285-15290    doi: 10.1039/C2JM31128C   

Hierarchically Driven IrO2 Nanowire Electrocatalysts for Direct Sensing of Biomolecules

Jun Ho Shim, Yumin Lee, Jaeyeon Lee, Jeong Min Baik, Minkyung Kang, Chongmok Lee, Youngmi Lee, Myung Hwa Kim

Anal. Chem. 2012, 84, 8, 3827-3832   doi: 10.1021/ac300573b   

A nanoporous ruthenium oxide framework for amperometric sensing of glucose and potentiometric sensing of pH

Jun Ho Shim, Minkyung Kang, Chongmok Lee, Youngmi Lee

Microchim. Acta, 2012, 117, 211-219   doi: 10.1007/s00604-012-0774-9   

Electrocatalytic activity of nanoporous Pd and Pt: effect of structural features

Jun Ho Shim, Youn Soo Kim, Minkyung Kang, Chongmok Lee, Youngmi Lee

Phys. Chem. Chem. Phys. 2012, 14, 3974-3979   doi: 10.1039/C2CP23429G  

Improved Electrochemical Microsensor for the Real-Time Simultaneous Analysis of Endogenous Nitric Oxide and Carbon Monoxide Generation

Sarah S. Park, Jiyeon Kim, Youngmi Lee

Anal. Chem. 2012, 84, 3, 1792-1796   doi: 10.1021/ac2031628 

Carbon-Supported Palladium Sub-Nanometer Particle Catalyst for Oxygen Reduction Reaction in Acid Media

Jun Ho Shim, Hyun Jung Jung, Youngmi Lee, Chongmok Lee

Bull. Chem. Soc. Jpn, 2011, 84, 11, 1276-1282   doi: 10.1246/bcsj.20110206 

Electrochemical Nanosensor for Real-Time Direct Imaging of Nitric Oxide in Living Brain

Areum Jo, Hyunkyung Do, Gil-Ja Jhon, Minah Suh, Youngmi Lee

Anal. Chem. 2011, 83, 21, 8314-8319   doi: 10.1021/ac202225n 

Porous Pd Layer-Coated Au Nanoparticles Supported on Carbon: Synthesis and Electrocatalytic Activity for Oxygen Reduction in Acid Media

Jun Ho Shim, Jiyoung Kim, Chongmok Lee, Youngmi Lee

Chem. Mater. 2011, 23, 21, 4694-4700   doi: 10.1021/cm2012044 

Applications of Porous Pt‐Filled Micropore Electrode: Direct Amperometric Glucose Detection and Potentiometric pH Sensing

Jun Ho Shim, Kyung Jang, Chongmok Lee, Youngmi Lee

Electroanalysis, 2011, 23, 9, 2063-2069   doi: 10.1002/elan.201100165 

Nonenzymatic Amperometric Glucose Sensor Based on Nanoporous Gold/Ruthenium Electrode

Jun Ho Shim, Areum Cha, Youngmi Lee, Chongmok Lee

Electroanalysis, 2011, 23, 9, 2057-2062   doi: 10.1002/elan.201100174 

Impact of Anions on Electrocatalytic Activity in Palladium Nanoparticles Supported on Ionic Liquid–Carbon Nanotube Hybrids for the Oxygen Reduction Reaction

Ju Yeon Shin, Youn Soo Kim, Youngmi Lee, Jun Ho Shim, Chongmok Lee, Sang-gi Lee

Chem. Asian J. 2011, 6, 8, 2016-2021   doi: 10.1002/asia.201100094 

Primo Vascular System of Murine Melanoma and Heterogeneity of Tissue Oxygenation of the Melanoma

Minyoung Hong, Sarah S. Park, Hyunkyung Do, Gil-Ja Jhon, Minah Suh, Youngmi Lee

J. Acupunct. Meridian Stud. 2011, 4, 3, 159-163   doi: 10.1016/j.jams.2011.09.002 

Real-time evaluation of nitric oxide (NO) levels in cortical and hippocampal areas with a nanopore-based electrochemical NO sensor

Areum Jo, Hyunkyung Do, Gil-Ja Jhon, Minah Suh, Youngmi Lee

Neurosci. Lett. 2011, 498, 1, 22-25   doi: 10.1016/j.neulet.2011.04.053 

Non-platinum oxygen reduction electrocatalysts based on carbon-supported metal–polythiophene composites

Su Jung Han, Hyun Jung Jung, Jun Ho Shim, Hyun-Chul Kim, Shi-Joon Sung, Bong Yoo, Dong Ha Lee, Chongmok Lee, Youngmi Lee

J. Electroanal. Chem. 2011, 655, 1, 39-44   doi: 10.1016/j.jelechem.2011.02.012 

Electrocatalytic Activity of Gold and Gold Nanoparticles Improved by Electrochemical Pretreatment

Jun Ho Shim, Jiyoung Kim, Chongmok Lee, Youngmi Lee

J. Phys. Chem. C  2011, 115, 1, 305-309   doi: 10.1021/jp1067507 

Real-Time in Vivo Simultaneous Measurements of Nitric Oxide and Oxygen Using an Amperometric Dual Microsensor

Sarah S. Park, Minyoung Hong, Cha-Kyong Song, Gil-Ja Jhon, Youngmi Lee

Anal. Chem. 2010, 82, 18, 7618-7624   doi: 10.1021/ac1013496 

Simple Fabrication of Amperometric Nitric Oxide Microsensors Based on Electropolymerized Membrane Films

Jun Ho Shim, Hyunkyung Do, Youngmi Lee

Electroanalysis, 2010, 22(3), 359-366   doi: 10.1002/elan.200900353 

Heterogeneity of Skin Oxygen Density Distribution: Relation to Location of Acupuncture Points

Youngmi Lee, Gwanyung Lee, Sarah S. Park, Angela Jang, Gil-Ja Jhon

J. Acupunct. Meridian stud. 2009, 2(4), 269-72   doi: 10.1016/S2005-2901(09)60067-4 

Amperometric Nitric Oxide Microsensor Based on Nanopore-Platinized Platinum: The Application for Imaging NO Concentrations

Jun Ho Shim, Youngmi Lee

Anal. Chem. 2009, 81, 20, 8571-8576   doi: 10.1021/ac901552m 

Dual electrochemical microsensor for simultaneous measurements of nitric oxide and oxygen: Fabrication and characterization 

Sarah S. Park, Clarissa E. Tatum, Youngmi Lee

Electrochem. Commun. 2009, 11(10), 2040-2043   doi: 10.1016/j.elecom.2009.08.047 

The Crystal Structure of Ferritin from Helicobacter pylori Reveals Unusual Conformational Changes for Iron Uptake 

Ki Joon Cho, Hye Jeong Shin, Ji-Hye Lee, Kyung-Jin Kim, Sarah S. Park, Youngmi Lee, Cheolju Lee, Sung Soo Park, Kyung Hyun Kim

J. Mol. Biol. 2009, 390(1), 83-98   doi: 10.1016/j.jmb.2009.04.078 

Structural radial heterogeneity of a silica-based wide-bore monolithic column 

Khaled S. Mriziq, Jude A. Abia, Youngmi Lee, Georges Guiochon

J. Chromatogr. A 2008, 1193(1-2), 97-103   doi: 10.1016/j.chroma.2008.04.004 

Simultaneous Electrochemical Detection of Nitric Oxide and Carbon Monoxide Generated from Mouse Kidney Organ Tissues 

Youngmi Lee, Jiyeon Kim

Anal. Chem. 2007, 79, 20, 7669-7675.   doi: 10.1021/ac070814z 

Mediation of in vivo glucose sensor inflammatory response via nitric oxide release 

Raeann Gifford, Melissa M. Batchelor, Youngmi Lee, Giridharan Gokulrangan, Mark E. Meyerhoff

J. Biomed. Mater. Res., Part A 2005, 75(4), 755-766.   doi: 10.1002/jbm.a.30359 

Direct Detection of S-Nitrosothiols Using Planar Amperometric Nitric Oxide Sensor Modified with Polymeric Films Containing Catalytic Copper Species

Wansik Cha, Youngmi Lee, Bong Kyun Oh, Mark E. Meyerhoff

Anal. Chem. 2005, 77, 3516-3524.   doi: 10.1021/ac048192u 

Improved Planar Amperometric Nitric Oxide Sensor Based on Platinized Platinum Anode. 2. Direct Real-Time Measurement of NO Generated from Porcine Kidney Slices in the Presence of l-Arginine, l-Arginine Polymers, and Protamine 

Youngmi Lee, Joseph Yang, Steven M. Rudich, Robert J. Schreiner, Mark E. Meyerhoff

Anal. Chem. 2004, 76, 545-551.   doi: 10.1021/ac035065+ 

Improved Planar Amperometric Nitric Oxide Sensor Based on Platinized Platinum Anode. 1. Experimental Results and Theory When Applied for Monitoring NO Release from Diazeniumdiolate-Doped Polymeric Films  

Youngmi Lee, Bong Kyun Oh, Mark E. Meyerhoff

Anal. Chem. 2004, 76, 536-544.   doi: 10.1021/ac035064h 

Preparation and characterization of implantable sensors with nitric oxide release coating   

Megan C. Frost, Melissa M. Batchelor, Youngmi Lee, Huiping Zhang, Youngjea Kang, Bongkyun Oh, George S. Wilson, Raeann Gifford, Steven M. Rudich, Mark E. Meyerhoff

Microchem. J. 2003, 74, 277-288.   doi: 10.1016/S0026-265X(03)00033-X 

Fabrication and characterization of probes for combined scanning electrochemical/optical microscopy experiments  

Youngmi Lee, Allen J. Bard

Anal. Chem. 2002, 74, 3626-3633.   doi: 10.1021/ac015705d 

Combined scanning electrochemical/optical microscopy with shear force and current feedback 

Youngmi Lee, Zhifeng Ding, Allen J. Bard

Anal. Chem. 2002, 74, 3634-3643.   doi: 10.1021/ac015713u 

Scanning electrochemical microscopy. 41. Theory and characterization of ring electrodes 

Youngmi Lee, Shigeru Amemiya, Allen J. Bard

Anal. Chem. 2001, 73, 2261-2267.   doi: 10.1021/ac0014764 

Scanning optical microscopy with an electrogenerated chemiluminescent light source at a nanometer tip 

Yanbing Zu, Zhifeng Ding, Junfeng Zhou, Youngmi Lee, Allen J. Bard

Anal. Chem. 2001, 73, 2153-2156.   doi: 10.1021/ac001538q 

Electrochemical behavior of viologens with long alkyl chains depending on their concentrations and the concentration of micelles and cyclodextrins 

Youngmi Lee, Chongmok Lee

Bull. Korean Chem. Soc. 1999, 20, 187-194.

Electrochemical study of methylalkylviologens using an electrochemical quartz crystal microbalance

Chongmok Lee, Youn Kyung Lee, Youngmi Lee, Cheol Jeon

J. Electroanal. Chem. 1999, 463, 224-231.   doi: 10.1016/S0022-0728(98)00460-4 

UV-vis-NIR and Raman spectroelectrochemical studies on viologen cation radicals: evidence for the presence of various types of aggregate species

Chongmok Lee, Young Mi Lee, Myung Sun Moon, Sang Hee Park, Joon Woo Park, Kyung Gon Kim, Seung Joon Jeon

J. Electroanal. Chem. 1996, 416, 139-144.   doi: 10.1016/S0022-0728(96)04741-9