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Spielvogel KD, Campbell EJ, Chowdhury SR, Benner F, Demir S, Hatzis GP, Petras HR, Sembukuttiarachchige D, Shepherd JJ, Thomas CM, Vlaisavljevich B, Daly SR. Modulation of Fe-Fe distance and spin in diiron complexes using tetradentate ligands with different flanking donors. Chem Commun (Camb) 2024. [PMID: 39028006 DOI: 10.1039/d4cc02522a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Here we report the synthesis and characterization of diiron complexes containing triaryl N4 and N2S2 ligands derived from o-phenylenediamine. The complexes display significant differences in Fe-Fe distances and magnetic properties that depend on the identity of the flanking NMe2 and SMe donor groups.
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Affiliation(s)
- Kyle D Spielvogel
- The University of Iowa, Department of Chemistry, E331 Chemistry Building, Iowa City, IA 52242, USA.
| | - Emily J Campbell
- The University of Iowa, Department of Chemistry, E331 Chemistry Building, Iowa City, IA 52242, USA.
| | - Sabyasachi Roy Chowdhury
- The University of South Dakota, Department of Chemistry, 414 E Clark St., Vermillion SD, 57069, USA
| | - Florian Benner
- Michigan State University, Department of Chemistry, 578 South Shaw Lane, East Lansing, Michigan 48824, USA
| | - Selvan Demir
- Michigan State University, Department of Chemistry, 578 South Shaw Lane, East Lansing, Michigan 48824, USA
| | - Gillian P Hatzis
- The Ohio State University, Department of Chemistry and Biochemistry, 100 West 18th Ave, Columbus, OH 43210, USA
| | - Hayley R Petras
- The University of Iowa, Department of Chemistry, E331 Chemistry Building, Iowa City, IA 52242, USA.
| | | | - James J Shepherd
- The University of Iowa, Department of Chemistry, E331 Chemistry Building, Iowa City, IA 52242, USA.
| | - Christine M Thomas
- The Ohio State University, Department of Chemistry and Biochemistry, 100 West 18th Ave, Columbus, OH 43210, USA
| | - Bess Vlaisavljevich
- The University of Iowa, Department of Chemistry, E331 Chemistry Building, Iowa City, IA 52242, USA.
- The University of South Dakota, Department of Chemistry, 414 E Clark St., Vermillion SD, 57069, USA
| | - Scott R Daly
- The University of Iowa, Department of Chemistry, E331 Chemistry Building, Iowa City, IA 52242, USA.
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Nickel-catalyzed cooperative B-H bond activation for hydroboration of N‑heteroarenes, ketones and imines. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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Er Zeybekler S, Odaci D. Carbon Nanotube-Incorporated Nanofibers for Immunosensor Preparation against CD36. ACS OMEGA 2023; 8:5776-5786. [PMID: 36816687 PMCID: PMC9933220 DOI: 10.1021/acsomega.2c07458] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
The increased serum concentration of CD36 is significantly associated with atherosclerosis, insulin resistance, and diabetes mellitus. Currently, there is no sensor system used for the detection of CD36 in the clinical field. Therefore, there is a need to develop a sensor system for the detection of CD36. The large surface area/volume ratio and controllable surface conformation of electrospun nanofibers (ENs) make them highly attractive for immunosensor applications. In the present study, PS/MWCNT-PAMAM ENs were produced and used as an immobilization matrix of Anti-CD36. Thus, the electrochemical behavior of the developed nanocomposite-based ENs and their usage potential were investigated for immunosensor applications. First, an oxidized multiwall carbon nanotube (MWCNT-OH) was synthesized and modified with a polyamidoamine generation 3 (PAMAM G3) dendrimer. The synthesized MWCNT-PAMAM nanocomposite was mixed with polystyrene (PS) solutions at different ratios to produce bead-free, smooth, and uniform PS/MWCNT-PAMAM ENs. PS/MWCNT-PAMAM ENs were accumulated on a screen-printed carbon electrode (SPCE) using the electrospinning technique. A biofunctional surface on the PS/MWCNT-PAMAM EN-coated SPCE was created using carbodiimide chemistry by covalent immobilization of Anti-CD36. The analytic performance characteristics of the developed PS/MWCNT-PAMAM/Anti-CD36 immunosensor were determined by performing electrochemical measurements in the presence of the CD36 protein. The linear detection range was found to be from 5 to 40 ng/mL, and the limit of detection was calculated as 3.94 ng/mL for CD36. The developed PS/MWCNT-PAMAM/Anti-CD36 immunosensor also displayed high tolerance to interference substances, good repeatability, and high recovery percent (recovery%) for artificial blood serum analysis.
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Turning photocatalytic H2 evolution into CO2 reduction of molecular nickel(II) complexes by using a redox–active bipyridine ligand. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Sun R, Deng WH, Yu B, Lu Y, Zhai X, Liao RZ, Tung CH, Wang W. Hydroboration of the (C 5Me 5)Fe(1,2-Ph 2PC 6H 4) System To Derive Hydridoborate and Hydridosilicate Complexes. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rui Sun
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Wen-Hao Deng
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Boying Yu
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Yilei Lu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Xiaofang Zhai
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Rong-Zhen Liao
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Chen-Ho Tung
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Wenguang Wang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
- College of Chemistry, Beijing Normal University, Beijing 100875, China
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Golwankar RR, Kumar A, Day VW, Blakemore JD. Revealing the Influence of Diverse Secondary Metal Cations on Redox‐Active Palladium Complexes. Chemistry 2022; 28:e202200344. [DOI: 10.1002/chem.202200344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Riddhi R. Golwankar
- Department of Chemistry University of Kansas 1567 Irving Hill Road Lawrence Kansas 66045 USA
| | - Amit Kumar
- Department of Chemistry University of Kansas 1567 Irving Hill Road Lawrence Kansas 66045 USA
- Current address: Department of Chemistry University of Pennsylvania Philadelphia Pennsylvania 19104 USA
| | - Victor W. Day
- Department of Chemistry University of Kansas 1567 Irving Hill Road Lawrence Kansas 66045 USA
| | - James D. Blakemore
- Department of Chemistry University of Kansas 1567 Irving Hill Road Lawrence Kansas 66045 USA
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Spielvogel KD, Durgaprasad G, Daly SR. Configurational Flexibility of a Triaryl-Supported SBS Ligand with Rh and Ir: Structural Investigations and Olefin Isomerization Catalysis. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kyle D. Spielvogel
- Department of Chemistry, The University of Iowa, E331 Chemistry Building, Iowa City, Iowa 52242-1294, United States
| | - Gummadi Durgaprasad
- Department of Chemistry, The University of Iowa, E331 Chemistry Building, Iowa City, Iowa 52242-1294, United States
- Department of Chemistry, RGUKT-AP, IIIT-Ongole, Andhra Pradesh 523225, India
| | - Scott R. Daly
- Department of Chemistry, The University of Iowa, E331 Chemistry Building, Iowa City, Iowa 52242-1294, United States
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