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Alkene functional group4/28/2023 ![]() This is a significant improvement over EDLC electrodes containing only activated-carbon and poly(acrylonitrile-co-butyl acrylate). An EDLC containing electrodes of activated carbon and MXene clay/poly(acrylonitrile-co-butyl acrylate) composite binder shows a high specific power of 8510 W kg⁻¹ with a high specific energy of 23.6 Wh kg⁻¹. This is a first report of an in-situ polymerization method to make a conducting composite binder with good mechanical, adhesion, and electronic conducting properties. Here, we synthesize a composite binder consisting of MXene clay and poly(acrylonitrile-co-butyl acrylate) using an in-situ emulsion polymerization. An ideal binder for an EDLC must have high adhesion ability to the electrode components and should be electronically conductive. To improve the performance of EDLCs, it is necessary to conduct comprehensive studies on electrode, including the binder. The quantity of limonene measured via GC–MS was 800 ppm in cirrhotic patients and electrochemical sensor measurements of limonene were almost the same providing confidence over quantitative detection of the synthesized hexanethiol capped AuNPs based biosensing platform in this study.Įlectrochemical double-layer capacitors recently attract strong attention because of their fast and stable charge/discharge characteristics and their high-power density. The breath sample of cirrhotic patients was collected and tested for the presence of limonene by using GC–MS. The sensor was also used to detect limonene in the real breath sample of the clinical patient, besides testing the lab standard of limonene. Hexanethiol capped AuNPs based biosensing platform showed high sensitivity with a LOD of 0.2 mmol L⁻¹ as observed via its DPV, and high specificity when was used against another VOC standard. Based on the best presented electrochemical results, hexanethiol AuNPs were selected as a sensor for analyzing the electrochemical detection of limonene as an analyte. Thiol capped AuNPs were characterized physiochemically and for electrochemical sensing at different factors such as pHs, scan rate, current stability. Three different types of monolayer thiol capped AuNPs were synthesized by the modified biphasic method with the different molar ratios (2:1 and 1:1) of hydrogen tetrachloroaurate (III) (HAuCl4♲H2O) and thiol groups: dodecanethiol, decanethiol, and hexanethiol. In the current study, electrochemical detection of limonene was performed using monolayer thiolated gold nanoparticles. Limonene is found in the breath of cirrhotic liver patients and can be used for early diagnosis using electrochemical biosensors. Therefore, the proposed name cannot be used.Volatile organic compounds (VOCs) are a major constituent of human breath which is being investigated as potential targets to be sensed in e-nose biosensors. ![]() The correct name for this compound is pent-2-en-2-ol (the following structure diagram shows the 2 Z isomer).Īnyway, the proposed name 2-hydroxypent-2-ene as well as the conforming name pent-2-en-2-ol do not describe the structure that is shown in the question (note the position of the double bond). Hence, this nonconforming name could still be understood. Nevertheless, this name is unambiguous it describes only one compound (ignoring cis/ trans isomerism). The alternative name 2-hydroxypent-2-ene that is proposed in the question is not in accordance with current or past IUPAC recommendations therefore, it should not be used. Hence, the proposed name could be understood. However, the very similar name 3-penten-2-ol (note the elision of the ‘e’) was in accordance with the obsolete 1979 IUPAC recommendations. The first name 3-pentene-2-ol that is proposed in the question is not in accordance with current IUPAC recommendations. deviations from the rules for the priority of suffixes, numbering of locants, or order of citation in the name) do not necessarily lead to wrong structures. Other names that are in accordance current IUPAC recommendations and also many names that were generated according to earlier recommendations may be used in general nomenclature.įurthermore, the IUPAC nomenclature is quite robust. The PIN for the compound that is given in the question is (3 E)-pent-3-en-2-ol. Therefore, the current version of Nomenclature of Organic Chemistry – IUPAC Recommendations and Preferred Names 2013 (Blue Book) include the definition of a preferred IUPAC name (PIN), which is the name preferred among two or more names generated from two or more IUPAC recommendations including the many retained names. Generally, since many compounds can have two or more names in accordance with several methods recommended by IUPAC, a compound may be named correctly in more ways than one.
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