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Bulletin of the Korean Chemical Society最新文献

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Cover Picture: NMR Spectroscopic Investigations of Transition Metal Complexes in Organometallic and Bioinorganic Chemistry (BKCS 7/2024) Jeongcheol Shin, Mi Hee Lim, Jiyeon Han 封面图片：有机金属和生物无机化学中过渡金属配合物的核磁共振波谱研究 (BKCS 7/2024) Jeongcheol Shin, Mi Hee Lim, Jiyeon Han
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-07-19 DOI: 10.1002/bkcs.12741
{"title":"Cover Picture: NMR Spectroscopic Investigations of Transition Metal Complexes in Organometallic and Bioinorganic Chemistry (BKCS 7/2024) Jeongcheol Shin, Mi Hee Lim, Jiyeon Han","authors":"","doi":"10.1002/bkcs.12741","DOIUrl":"https://doi.org/10.1002/bkcs.12741","url":null,"abstract":"<p>This review describes the application of nuclear magnetic resonance (NMR) spectroscopy in characterizing transition metal complexes. By utilizing NMR spectroscopy on both diamagnetic and paramagnetic transition metal complexes, extensive insights into their geometric, electronic, and magnetic properties are obtained. Enhancing our comprehension of NMR spectra broadens the analytical techniques available for studying transition metal complexes in organometallic and bioinorganic chemistry. More details are available in the article by Jeongcheol Shin, Mi Hee Lim, Jiyeon Han.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/bkcs.12741","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141730065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Novel allosteric glutaminase inhibitors with macrocyclic structure activity relationship analysis (part 2) 利用大环结构活性关系分析的新型异位谷氨酰胺酶抑制剂（第 2 部分）
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-07-04 DOI: 10.1002/bkcs.12883
Eun Ji Lee, Jiyoon Jang, Rajath Cyriac, Mi Ran Yun, Yeongju Kwon, Myoung Eun Jung, Gildon Choi, Chong Hak Chae, Byoung Chul Cho, Kwangho Lee
{"title":"Novel allosteric glutaminase inhibitors with macrocyclic structure activity relationship analysis (part 2)","authors":"Eun Ji Lee,&nbsp;Jiyoon Jang,&nbsp;Rajath Cyriac,&nbsp;Mi Ran Yun,&nbsp;Yeongju Kwon,&nbsp;Myoung Eun Jung,&nbsp;Gildon Choi,&nbsp;Chong Hak Chae,&nbsp;Byoung Chul Cho,&nbsp;Kwangho Lee","doi":"10.1002/bkcs.12883","DOIUrl":"10.1002/bkcs.12883","url":null,"abstract":"<p>Glutamine-addicted cancer metabolism is recently recognized as novel cancer target especially for KRAS and KEAP1 co-occurring mutations. To identify more drug-like GLS inhibitors, we report the amides in the wing macrocycles for GLS inhibition with unique SAR analysis. Although the amidotriazoles (amides in the wing) are in general less potent than those of acylaminothiadiazole analogs (reverse amides in the wing), macrocycle 4, 5, and 7 are selected as a potent macrocyclic GLS inhibitor in both biochemical and cell viability assays. Selected molecules result in partial reduction in intracellular glutamate levels in LR (LDK378-resistant) cells which is consistent to their cells viability result. Finally, selected compounds reduce the growth of A549 and H460 cells which have co-occurring mutations including KRAS and KEAP1. The putative binding mode of macrocycle 4 is also suggested using a molecular docking model.</p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/bkcs.12883","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141679485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Controlled assembly of gold nanoparticles: Methods and plasmon coupling properties 金纳米粒子的可控组装：方法和等离子体耦合特性
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-06-29 DOI: 10.1002/bkcs.12886
Sangwoon Yoon
{"title":"Controlled assembly of gold nanoparticles: Methods and plasmon coupling properties","authors":"Sangwoon Yoon","doi":"10.1002/bkcs.12886","DOIUrl":"https://doi.org/10.1002/bkcs.12886","url":null,"abstract":"<p>Gold nanoparticles (AuNPs) exhibit excellent plasmonic properties, including bright color and generation of localized electric field, hot carriers, and heat. These properties are widely applied in biology, sensing, spectroscopy, catalysis, and medicine. More attractive is that these properties are tremendously enhanced when AuNPs are assembled and form nanogaps between the particles. Therefore, assembling AuNPs in a controlled fashion is a key step for the study and applications of plasmonic properties. In this Account, I will introduce my group's collective efforts that have been made for a decade to develop the best assembly method. I will describe the assembly procedure in detail and demonstrate the various nanoassemblies produced by the method. The controlled assembly allows us to systematically examine the relationship between the plasmonic properties and structural parameters of the nanogaps. Among many properties, I focus on plasmon coupling. To conclude, I will discuss the prospects of nanoassembly plasmonics.</p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/bkcs.12886","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142050516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polyethyleneimine incorporated hydroxyapatite for improved colloidal stability 加入聚乙烯亚胺的羟基磷灰石可提高胶体稳定性
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-06-28 DOI: 10.1002/bkcs.12855
Hyebin Choi, Jaun An, Keunyoung Lee, Ki-Young Kwon
{"title":"Polyethyleneimine incorporated hydroxyapatite for improved colloidal stability","authors":"Hyebin Choi,&nbsp;Jaun An,&nbsp;Keunyoung Lee,&nbsp;Ki-Young Kwon","doi":"10.1002/bkcs.12855","DOIUrl":"https://doi.org/10.1002/bkcs.12855","url":null,"abstract":"<p>We report on the preparation of a polyethyleneimine-incorporated hydroxyapatite (PEI-HAP) and its enhanced colloidal stability. Three PEI-HAPs having different amine contents are synthesized by hydrothermal treatment (200 °C) of the HAP prepared at room temperature (rt-HAP). The crystallinity of PEI-HAP is improved compared to rt-HAP due to the heat treatment. In addition, the size of PEI-HAP (50.4 nm) increased compared to rt-HAP (32.1 nm) after heat treatment. However, the presence (or concentration) of PEI has little effect on the crystallinity and size of the samples. Ninhydrin test indicates the presence of amine group in PEI-HAPs. XPS experiments verified that maximum amine content amounts to 2.81%. As the amount of amine increases, the zeta potential is changed from −22.6 to +31.7 mV due to the adsorption of PEI on HAP surface. Consequently, the sample having high positive valuable zeta potential of +31.7 mV exhibits colloidal stability of more than 6 h.</p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141730357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modulation of Li+ microenvironment in liquid electrolyte for interface design of Li-metal anodes 调节液态电解质中的 Li+ 微环境以实现锂金属阳极的界面设计
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-06-26 DOI: 10.1002/bkcs.12884
Minhong Lim, Jiwon Lee, Soyeon Lee, Seungsoo Park, Hongkyung Lee
{"title":"Modulation of Li+ microenvironment in liquid electrolyte for interface design of Li-metal anodes","authors":"Minhong Lim,&nbsp;Jiwon Lee,&nbsp;Soyeon Lee,&nbsp;Seungsoo Park,&nbsp;Hongkyung Lee","doi":"10.1002/bkcs.12884","DOIUrl":"https://doi.org/10.1002/bkcs.12884","url":null,"abstract":"<p>While lithium metal anodes (LMAs) offer the highest energy density, positioning them as a promising material for graphite, they suffer from uneven electroplating morphology and the formation of Li dendrites. Given the pivotal role of the solid-electrolyte interphase (SEI), which is formed by electrolyte decomposition, in mitigating dendritic growth, extensive research has been conducted on liquid electrolytes in Li metal batteries (LMBs). This mini-review presents the historical advancements in LMB electrolytes, focusing on modulating the Li<sup>+</sup> microenvironment and LMA interface chemistry to inhibit Li dendrite formation. We traced the evolution of LMB electrolytes from traditional formulations to advanced designs. In particular, the reinforcement of the SEI and the compact morphology of the deposited Li are deeply discussed at each advancement in liquid electrolytes. We subsequently identify common characteristics among these advanced electrolytes and conclude by discussing future directions and strategies for rational design.</p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142050549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover Picture: Redox reactivity of LMCT and MLCT excited states of Earth-abundant metal complexes (BKCS 6/2024) Wonwoo Nam, Yong-Min Lee, Shunichi Fukuzumi 封面图片：富地球金属配合物的 LMCT 和 MLCT 激发态的氧化还原反应性 (BKCS 6/2024) Wonwoo Nam, Yong-Min Lee, Shunichi Fukuzumi
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-06-19 DOI: 10.1002/bkcs.12738
{"title":"Cover Picture: Redox reactivity of LMCT and MLCT excited states of Earth-abundant metal complexes (BKCS 6/2024) Wonwoo Nam, Yong-Min Lee, Shunichi Fukuzumi","authors":"","doi":"10.1002/bkcs.12738","DOIUrl":"https://doi.org/10.1002/bkcs.12738","url":null,"abstract":"<p>This review focuses on the redox reactivities of MLCT and LMCT excited states of earth-abundant metal complexes, such as iron, manganese, cobalt, and chromium, together with the lifetime and redox potentials of the MLCT and LMCT excited states. More details are available in the article by Wonwoo Nam, Yong-Min Lee, Shunichi Fukuzumi.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/bkcs.12738","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141430223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Post-synthetic modifications of MOF-74 type frameworks for enhancing CO2 capture and moisture stability 对 MOF-74 型框架进行后合成修饰以提高二氧化碳捕获能力和湿度稳定性
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-06-18 DOI: 10.1002/bkcs.12885
Jintu Francis Kurisingal, Jong Hyeak Choe, Hyojin Kim, Jeongwon Youn, Gayoung Cheon, Chang Seop Hong
{"title":"Post-synthetic modifications of MOF-74 type frameworks for enhancing CO2 capture and moisture stability","authors":"Jintu Francis Kurisingal,&nbsp;Jong Hyeak Choe,&nbsp;Hyojin Kim,&nbsp;Jeongwon Youn,&nbsp;Gayoung Cheon,&nbsp;Chang Seop Hong","doi":"10.1002/bkcs.12885","DOIUrl":"https://doi.org/10.1002/bkcs.12885","url":null,"abstract":"<p>Anthropogenic carbon dioxide (CO<sub>2</sub>) emissions pose a significant threat to the delicate balance between human society and the natural environment. Carbon capture and sequestration is a technology designed to selectively capture CO<sub>2</sub> emissions generated from power plants and industrial facilities, preventing them from entering the atmosphere. Diamine-modified metal–organic frameworks (MOFs) show promising capabilities in achieving remarkable CO<sub>2</sub> capacities, highlighting their potential for effective CO<sub>2</sub> capture applications. Herein, using MOF-74 type frameworks, we discussed our various methodologies designed to enhance the CO<sub>2</sub> adsorption capacity, while also tackling the issue of maintaining structural integrity over prolonged periods, especially in humid environments. The challenges and prospects for CO<sub>2</sub> capture by diamine-functionalized hydrophobic MOFs are highlighted.</p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142050497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vapor-phase synthesis of MOF films 气相合成 MOF 薄膜
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-06-18 DOI: 10.1002/bkcs.12854
Myeonggeun Choe, Hyeonwoo Lee, Hee Cheul Choi
{"title":"Vapor-phase synthesis of MOF films","authors":"Myeonggeun Choe,&nbsp;Hyeonwoo Lee,&nbsp;Hee Cheul Choi","doi":"10.1002/bkcs.12854","DOIUrl":"https://doi.org/10.1002/bkcs.12854","url":null,"abstract":"<p>Fabrication of thin films is the most crucial step in introducing promising new materials into practical devices. Among the various materials, metal–organic framework (MOF) thin films have gained widespread attention with the advantage of diverse applications. In this review, two representative vapor-phase synthetic methods, (1) molecular layer deposition (MLD), (2) chemical vapor deposition (CVD) are addressed as emerging techniques.</p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/bkcs.12854","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141730329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and characterization of Mo and W compounds for disulfide materials 二硫化物材料中 Mo 和 W 化合物的合成与表征
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-06-14 DOI: 10.1002/bkcs.12880
Sunyoung Shin, Seongmin Yeo, So Jeong Yeo, Taek-Mo Chung, Chang Gyoun Kim, Bo Keun Park
{"title":"Synthesis and characterization of Mo and W compounds for disulfide materials","authors":"Sunyoung Shin,&nbsp;Seongmin Yeo,&nbsp;So Jeong Yeo,&nbsp;Taek-Mo Chung,&nbsp;Chang Gyoun Kim,&nbsp;Bo Keun Park","doi":"10.1002/bkcs.12880","DOIUrl":"10.1002/bkcs.12880","url":null,"abstract":"<p>MoS<sub>2</sub> and WS<sub>2</sub> are spotlighted as fungible materials of graphene that can be used in electronic devices owing to being semiconductors with indirect and direct band gaps. Precursors (Mo(N<sup>t</sup>Bu)<sub>2</sub>(S<sup>t</sup>Bu)<sub>2</sub> (<b>1</b>), W(N<sup>t</sup>Bu)<sub>2</sub>(S<sup>t</sup>Bu)<sub>2</sub> (<b>2</b>)) suitable for the deposition of these materials were synthesized and characterized. The molecular structures of <b>1</b> and <b>2</b> exhibit a tetrahedral geometry according to single-crystal x-ray crystallography. Thermogravimetric analyses of <b>1</b> and <b>2</b> showed two-step weight loss. The residues from each step of <b>1</b> were MoS<sub>3</sub> and MoS<sub>2</sub>, and these results were consistent with the subsequent deposition results of <b>1</b>. We successfully established a PEALD-MoS<sub>2</sub> process using <b>1</b> and H<sub>2</sub>S plasma as the precursor and reactant, respectively, at relatively low temperatures of 150–300 °C without any post-sulfurization process. A temperature-dependent selective deposition of MoS<sub><i>x</i></sub> phases was observed with the growth of amorphous MoS<sub>3</sub> films (150–200 °C), and crystalline MoS<sub>2</sub> films (250–350 °C).</p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141338423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing the durability of anion exchange membrane water electrolysis cells via interfacial membrane–ionomer crosslinking 通过界面膜-阴离子交联提高阴离子交换膜电解水电池的耐用性
IF 1.7 4区 化学
Bulletin of the Korean Chemical Society Pub Date : 2024-06-06 DOI: 10.1002/bkcs.12881
Yerim Lee, Wooseok Lee, Tae-Hyun Kim
{"title":"Enhancing the durability of anion exchange membrane water electrolysis cells via interfacial membrane–ionomer crosslinking","authors":"Yerim Lee,&nbsp;Wooseok Lee,&nbsp;Tae-Hyun Kim","doi":"10.1002/bkcs.12881","DOIUrl":"10.1002/bkcs.12881","url":null,"abstract":"<p>Research into enhancing the performance and durability of anion exchange membrane (AEM)-based water electrolysis (AEMWE) cells has primarily aimed to facilitate commercialization efforts and improve the chemical stability of AEMs, with anion exchange ionomers (AEIs) playing an increasingly important role. This study aimed to reduce ionomer swelling and enhance AEM–catalyst adhesion via AEM–ionomer crosslinking within a membrane electrode assembly (MEA), using allyl- and quaternary ammonium-functionalized poly(phenylene oxide) (PPO), allyl-m-PPO, as both the AEM and AEI. Bis(aryl azide) was added as a crosslinker to an ionomer solution to generate the MEA, which was heated to induce allyl–azide crosslinks at the membrane–ionomer interface. Peel test indicated an increased adhesion at both electrodes for the crosslinked x-allyl-0.05-PPO (5 mol% allyl content relative to the total ion-conducting head group content). Further, x-allyl-0.05-PPO exhibited a smaller voltage increase due to crosslinking compared to TA-PPO, signifying a notable improvement in durability.</p>","PeriodicalId":54252,"journal":{"name":"Bulletin of the Korean Chemical Society","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/bkcs.12881","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141378219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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