Journal of Inclusion Phenomena and Macrocyclic Chemistry最新文献

筛选
英文 中文
Probing the interaction of ciprofol and human serum albumin using multiple spectroscopies 利用多重光谱探究环丙氟哌酸与人血清白蛋白的相互作用
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-18 DOI: 10.1007/s10847-024-01241-5
Qiao Pan, Chengfeng Yao, Yulin Zhu, Shujun Shang
{"title":"Probing the interaction of ciprofol and human serum albumin using multiple spectroscopies","authors":"Qiao Pan,&nbsp;Chengfeng Yao,&nbsp;Yulin Zhu,&nbsp;Shujun Shang","doi":"10.1007/s10847-024-01241-5","DOIUrl":"10.1007/s10847-024-01241-5","url":null,"abstract":"<div><p>The interaction between ciprofol and human serum albumin (HSA) was studied using spectroscopy-based approaches at different temperatures under simulated physiological conditions <i>in vitro</i>. Quenching of intrinsic Trp fluorescence of HSA with increasing ciprofol concentration is the actuating tool in the analysis. Experimental results proved that ciprofol quenched the intrinsic fluorescence of HSA through a static quenching mechanism. The thermodynamic parameters (Δ<i>G</i> = -2.35 × 10<sup>4</sup> J·mol<sup>−1</sup>, Δ<i>S</i> = -131 J·mol<sup>−1</sup>·K<sup>−1</sup>, and Δ<i>H</i> = -6.39 × 10<sup>4</sup> J·mol<sup>−1</sup> at 310 K), binding sites (<i>n</i> = 0.83), and binding constant (<i>K</i><sub>A</sub> = 9.12 × 10<sup>3</sup> M<sup>−1</sup>) indicated that hydrogen bond and van der Waals forces played a major role in the HSA-ciprofol association with weak binding force. Furthermore, the circular dichroism, synchronous, and three-dimensional fluorescence spectral results indicated adaptive structural changes of HSA in the presence of ciprofol. In addition, the effect of some common metal ions on the binding between ciprofol and HSA was examined, and Fe<sup>3+</sup> and Hg<sup>2+</sup> were proven to help prolong the storage time and improve the drug efficacy. The study provides accurate and full basic data for clarifying the binding mechanisms of ciprofol with HSA and helps understand its effect on protein function during the blood transportation process and activity in vivo.</p></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 7-8","pages":"407 - 414"},"PeriodicalIF":2.3,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140609056","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
Li-selective calix[4]arene with trialkyl-monoacetic acid groups: effect of three alkyl branches and t-octyl groups at p-position on selectivity for Li extraction 具有三烷基单乙酸基团的锂选择性钙[4]炔:三个烷基分支和 p 位 t-辛基对锂萃取选择性的影响
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-16 DOI: 10.1007/s10847-024-01233-5
Keisuke Ohto, Hirotoshi Sadamatsu, Takuya Hanada, Shintaro Morisada, Hidetaka Kawakita
{"title":"Li-selective calix[4]arene with trialkyl-monoacetic acid groups: effect of three alkyl branches and t-octyl groups at p-position on selectivity for Li extraction","authors":"Keisuke Ohto,&nbsp;Hirotoshi Sadamatsu,&nbsp;Takuya Hanada,&nbsp;Shintaro Morisada,&nbsp;Hidetaka Kawakita","doi":"10.1007/s10847-024-01233-5","DOIUrl":"10.1007/s10847-024-01233-5","url":null,"abstract":"<div><p>Trialkyl-monoacetic acid derivatives of <i>p</i>–t-octylcalix[4]arene and calix[4]arene were prepared to investigate the effect of the alkyl branches attached to the phenoxy oxygen atoms and the <i>p</i>-position on the selective extraction of Li<sup>+</sup> over Na<sup>+</sup>. Alkyl branches on the phenoxy oxygen atoms remarkably affected the Li<sup>+</sup> selectivity, whereas those at the <i>p</i>-position had less effect. The former can contribute to excluding Na<sup>+</sup> extraction while enabling Li<sup>+</sup> extraction. Optimal selection of the alkyl branch improves the Li<sup>+</sup> selectivity of calix[4]arene. However, sterically-hindered <i>p</i>–t-octylcalix[4]arene with three 2-ethylbutyl branches exhibited opposite selectivity.</p></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 5-6","pages":"185 - 197"},"PeriodicalIF":2.3,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140609025","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
Coordination competency of a flexible polyfunctional tripodal framework: an insight on solution thermodynamics and DFT studies 柔性多官能团三元框架的配位能力:溶液热力学和 DFT 研究的启示
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-15 DOI: 10.1007/s10847-024-01229-1
Shalini Singh, B. K. Kanungo, Minati Baral
{"title":"Coordination competency of a flexible polyfunctional tripodal framework: an insight on solution thermodynamics and DFT studies","authors":"Shalini Singh,&nbsp;B. K. Kanungo,&nbsp;Minati Baral","doi":"10.1007/s10847-024-01229-1","DOIUrl":"10.1007/s10847-024-01229-1","url":null,"abstract":"<div><p>Chelation and solution thermodynamic stability of a tripodal hydroxypyranone-based chelator (tris[(5-hydroxy-4-oxo-pyran-2-yl)methyl]benzene-1,3,5-tricarboxylate), TBHPY, towards biologically relevant divalent metal ions:Cu(II), Fe(II), Ni(II), Co(II) and Zn(II) were studied by potentiometric and spectroscopic methods in 9:1 (H<sub>2</sub>O:DMSO) medium. The metal ions formed ML, MLH<sub>2,</sub> MLH, MLH<sub>-2</sub>, and MLH<sub>-1</sub> type complexes with high formation constants. The ligand was explored for its application as a potential fluorimetric sensor and examined in the presence of various cations. Nearly twofold quenching was observed upon addition of Gd(III) to TBHPY. The experimental, spectroscopic and thermodynamic stability results were validated with the theoretical quantum mechanical calculations using density functional theory (DFT). The geometrical structures, electronic properties,and bonding behavior of the complexes are described in detail.</p></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 5-6","pages":"219 - 231"},"PeriodicalIF":2.3,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140585072","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
Perrhenate anion encapsulation in a uranyl ion–zwitterionic dicarboxylate coordination polymer 将铼酸阴离子封装在铀酰离子--齐聚物二羧酸配位聚合物中
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-11 DOI: 10.1007/s10847-024-01238-0
Sotaro Kusumoto, Youssef Atoini, Yoshihiro Koide, Shinya Hayami, Yang Kim, Jack Harrowfield, Pierre Thuéry
{"title":"Perrhenate anion encapsulation in a uranyl ion–zwitterionic dicarboxylate coordination polymer","authors":"Sotaro Kusumoto,&nbsp;Youssef Atoini,&nbsp;Yoshihiro Koide,&nbsp;Shinya Hayami,&nbsp;Yang Kim,&nbsp;Jack Harrowfield,&nbsp;Pierre Thuéry","doi":"10.1007/s10847-024-01238-0","DOIUrl":"10.1007/s10847-024-01238-0","url":null,"abstract":"<div><p>The zwitterionic dicarboxylate 1,1′-[(2,3,5,6-tetramethylbenzene-1,4-diyl)bis(methylene)]bis(pyridin-1-ium-4-carboxylate) (L) has been reacted with uranyl nitrate under solvo-hydrothermal conditions and in the presence of KReO<sub>4</sub> to give the complex [UO<sub>2</sub>(L)(OH)(H<sub>2</sub>O)](ReO<sub>4</sub>) (<b>1</b>). This compound crystallizes as a cationic, monoperiodic coordination polymer with ReO<sub>4</sub><sup>–</sup> as a simple counterion. The daisy-chain polymer is based on dinuclear rings built by the convergent zwitterionic ligands, these rings being linked to one another by double hydroxide bridges. In addition to a Coulombic interaction with a pyridinium ring, ReO<sub>4</sub><sup>–</sup> is involved in one OH(water)⋅⋅⋅O and four CH⋅⋅⋅O interactions, and it is thus nestled in a cavity formed by three chains, seemingly with some selectivity over nitrate and chloride anions also present in the reaction mixture. This result illustrates the interest of zwitterionic dicarboxylates in building cationic assemblies able to trap ReO<sub>4</sub><sup>–</sup>, a surrogate for the radioactive TcO<sub>4</sub><sup>–</sup>, an anion of environmental relevance.</p><h3>Graphical abstract</h3><p>A zwitterionic dicarboxylate ligand was reacted with the uranyl ion to generate a cationic, daisychain coordination polymer including perrhenate as counterion. Examination of the Hirshfeld surface of the anion allows for an analysis of the weak interactions involved.</p>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 5-6","pages":"209 - 217"},"PeriodicalIF":2.3,"publicationDate":"2024-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140585185","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
Thermodynamics, optical properties, and coordination of lanthanoids with hydroxyquinolate functionalised receptor 镧系植物与羟基苯酚功能化受体的热力学、光学特性和配位
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-10 DOI: 10.1007/s10847-024-01230-8
Neha Kumari, Minati Baral, Dinesh Kumar, B. K. Kanungo
{"title":"Thermodynamics, optical properties, and coordination of lanthanoids with hydroxyquinolate functionalised receptor","authors":"Neha Kumari,&nbsp;Minati Baral,&nbsp;Dinesh Kumar,&nbsp;B. K. Kanungo","doi":"10.1007/s10847-024-01230-8","DOIUrl":"10.1007/s10847-024-01230-8","url":null,"abstract":"<div><p>Two new lanthanide complexes with the general formula [Ln(hqtsc)<sub>2</sub>Cl], where Ln = Eu<sup>3+</sup>/Tb<sup>3+</sup> and hqtsc is (E)-2-((8-hydroxyquinolin-2-yl)methylene)hydrazine-1-carbothioamide have been synthesized. The structures of the complexes have been elucidated through IR, <sup>1</sup>H NMR, <sup>13</sup>C NMR and HR-mass spectroscopy. The coordination behavior of the ligand was investigated with proton and two trivalent lanthanides, Eu(III) and Tb(III), by potentiometric and spectrophotometric methods in a highly aqueous medium. The studies reveal that the two lanthanides form complexes of the type ML<sub>2</sub>H<sub>2</sub>, ML<sub>2</sub>H<sub>1</sub>, ML<sub>2</sub>, ML<sub>2</sub>H<sub>−1,</sub> and ML<sub>2</sub>H<sub>−2</sub>. The high formation constants of ML with log β = 26.55 and 27.13 indicate that these complexes will become promising candidates for chelation therapy, radioimmunotherapy, and other biomedical applications. Further, the change in colour and electronic spectra of the complexes in the presence of anions showed the selective colorimetric sensing ability towards H<sub>2</sub>PO<sub>4</sub><sup>−</sup> (orange/yellow→, colorless) and CN<sup>−</sup> (orange/yellow → red). The DFT studies were also carried out to establish the structure, bonding, and sensing mechanism of the complexes.</p></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 5-6","pages":"233 - 255"},"PeriodicalIF":2.3,"publicationDate":"2024-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140585270","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
Factors affecting the effectiveness of intravesical injection of botulinum toxin A in females with overactive bladder 影响膀胱过度活动症女性膀胱内注射 A 型肉毒毒素疗效的因素
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-07 DOI: 10.1007/s10847-024-01236-2
Kyoungha Jang, Dong Gil Shin, Wooseop Seong, Seunghyeon Kim, Tae Nam Kim, Jeong Zoo Lee, Yangkyu Park, Hyeon Woo Kim
{"title":"Factors affecting the effectiveness of intravesical injection of botulinum toxin A in females with overactive bladder","authors":"Kyoungha Jang,&nbsp;Dong Gil Shin,&nbsp;Wooseop Seong,&nbsp;Seunghyeon Kim,&nbsp;Tae Nam Kim,&nbsp;Jeong Zoo Lee,&nbsp;Yangkyu Park,&nbsp;Hyeon Woo Kim","doi":"10.1007/s10847-024-01236-2","DOIUrl":"10.1007/s10847-024-01236-2","url":null,"abstract":"<div><p>The objective of this study is to examine the determinants influencing the efficacy of intravesical administration of botulinum toxin A (BoNT-A) in patients suffering from overactive bladder (OAB). The study included 32 females diagnosed with OAB, with or without urge urinary incontinence. All participants underwent BoNT-A injections (100 units) at the posterior bladder wall (20 points) from our institution between March 2017 and June 2020. Clinical data was gathered, and the severity of OAB was evaluated both before and four weeks following the procedure utilizing the International Consultation on Incontinence Modular Questionnaire-Urinary Incontinence (ICIG-UI) and the Overactive Bladder Symptom Score (OABSS). The study also looked into the status of medication for OAB four weeks after the procedure. Total mean ICIQ-UI and OABSS were significantly improved four weeks after BoNT-A injection (14.00 ± 3.46 to 7.00 ± 6.82, p &lt; 0.001 and 11.40 ± 5.01 to 6.40 ± 1.25, p = 0.009, respectively). Younger age, longer OAB duration, and ongoing OAB medication were the factors that significantly improved the effectiveness of BoNT-A injection.</p></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 5-6","pages":"343 - 348"},"PeriodicalIF":2.3,"publicationDate":"2024-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140585377","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
Predictors for symptom improvement in overactive bladder patients treated with imidafenacin 咪达那新治疗膀胱过度活动症患者症状改善的预测因素
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-05 DOI: 10.1007/s10847-024-01237-1
Wooseop Seong, Dong Gil Shin, Seunghyeon Kim, Tae Nam Kim, Jeong Zoo Lee, Yangkyu Park, Kyoungha Jang, Hyeon Woo Kim
{"title":"Predictors for symptom improvement in overactive bladder patients treated with imidafenacin","authors":"Wooseop Seong,&nbsp;Dong Gil Shin,&nbsp;Seunghyeon Kim,&nbsp;Tae Nam Kim,&nbsp;Jeong Zoo Lee,&nbsp;Yangkyu Park,&nbsp;Kyoungha Jang,&nbsp;Hyeon Woo Kim","doi":"10.1007/s10847-024-01237-1","DOIUrl":"10.1007/s10847-024-01237-1","url":null,"abstract":"<div><p>The objective of this investigation is to ascertain the determinants associated with the amelioration of symptoms in female patients suffering from overactive bladder (OAB) following treatment with 0.2 mg of imidafenacin. The study included 66 female OAB patients who had been prescribed a daily dose of 0.2 mg imidafenacin for a minimum of 3 months, spanning from March 2018 to June 2020. Various clinical parameters including age, coexistence of additional voiding symptoms, prior history of urological surgeries, and responses to the Overactive Bladder Symptom Score questionnaire (OABSS), both pre- and post-initiation of imidafenacin therapy, were evaluated. The mean total OABSS scores recorded before and 3 months subsequent to imidafenacin therapy were 8.36 ± 3.65 and 5.15 ± 3.22, respectively. Following the 3-month course of imidafenacin treatment, there was a statistically significant improvement in both the total OABSS score and the severity of OAB symptoms (p &lt; 0.001 for both). Prior to treatment initiation, Group B (n = 38) exhibited significantly higher total OABSS scores and subscores compared to Group A (n = 28) (p &lt; 0.05). Multivariable analysis identified the OABSS subscores for items 1 and 3 prior to treatment as significant predictors for the improvement of OAB severity subsequent to imidafenacin therapy (p = 0.046, OR 3.10, 95% CI 1.019–9.440 and p &lt; 0.001, OR 2.77, 95% CI 1.671–4.587, respectively). Consequently, imidafenacin emerges as an efficacious therapeutic agent for alleviating OAB severity in female patients, with the OABSS subscores for items 1 and 3 prior to treatment initiation holding potential utility in predicting the efficacy of imidafenacin in managing OAB.</p></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 5-6","pages":"335 - 341"},"PeriodicalIF":2.3,"publicationDate":"2024-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140585376","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
Development of a highly selective and sensitive fluorescent chemosensory for zinc ion detection in aqueous ethanol solution: synthesis of a new aza-oxo macrocycle using high-dilution condition method 开发用于检测乙醇水溶液中锌离子的高选择性、高灵敏度荧光化学传感器:利用高稀释条件法合成新的杂氮-氧代大环
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-04-01 DOI: 10.1007/s10847-024-01223-7
Reza Azadbakht, Hasti Moshiri, Mostafa Koolivand
{"title":"Development of a highly selective and sensitive fluorescent chemosensory for zinc ion detection in aqueous ethanol solution: synthesis of a new aza-oxo macrocycle using high-dilution condition method","authors":"Reza Azadbakht,&nbsp;Hasti Moshiri,&nbsp;Mostafa Koolivand","doi":"10.1007/s10847-024-01223-7","DOIUrl":"10.1007/s10847-024-01223-7","url":null,"abstract":"<div><p>Utilizing a high-dilution condition method, a new aza-oxo macrocycle, referred to as L, was synthesized as a chemosensor. The chemosensing capabilities of L were thoroughly investigated using fluorescence studies. The obtained results demonstrate that L effectively responds to the presence of zinc ions, leading to a significant increase in fluorescence intensity. Comparative studies were conducted to investigate the impact of various metal cations, including Cr(III), Mn(II), Fe(II), Fe(III), Co(II), Ni(II), Cu(I), Cu(II), Zn(II), Cd(II), Gd(III), Na(I), K(I), Ba(II), Mg(II), Al(III), Pb(II), Sn(II), Hg(II), and Ag(I), on the fluorescence of L in an aqueous ethanol environment. During our investigations, a binding constant value of 7.81 × 105 M<sup>−1</sup>, with a 1:1 stoichiometry for Zn<sup>2+</sup>–L interactions, was established. Additionally, a low detection limit of 2.51 × 10<sup>−8</sup> M and a rapid response time were observed. Furthermore, the chemical inputs of Zn<sup>2+</sup> and Cu<sup>2+</sup> ions meet the conditions of an INHIBIT molecular logic gate.</p></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 7-8","pages":"371 - 381"},"PeriodicalIF":2.3,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140585339","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
Formulation and evaluation of multicomponent inclusion complex of cyclosporine A 环孢素 A 多组分包合物的配制和评估
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-03-28 DOI: 10.1007/s10847-024-01225-5
Sadaf Jamal Gilani, Syed Sarim Imam, Raisuddin Ali
{"title":"Formulation and evaluation of multicomponent inclusion complex of cyclosporine A","authors":"Sadaf Jamal Gilani,&nbsp;Syed Sarim Imam,&nbsp;Raisuddin Ali","doi":"10.1007/s10847-024-01225-5","DOIUrl":"10.1007/s10847-024-01225-5","url":null,"abstract":"<div><p>Cyclosporine A (CP) inclusion complex using cyclodextrin (binary) and cyclodextrin with TPGS (ternary) was prepared by the freeze-drying method. The phase solubility study was performed to calculate the solubility parameters. The prepared formulations were evaluated for saturation solubility and drug release studies. The spectroscopy and molecular docking studies were performed to confirm the formation of inclusion complex. The phase solubility results revealed a high stability constant for both binary and ternary samples. A significant enhancement in saturation solubility and dissolution was found in the prepared inclusion complexes. The spectroscopy studies revealed no interaction between the drug and carrier. The molecular docking study displayed the formation of a stable complex with a good docking score. The diffraction pattern showed the conversion of crystalline CP into an amorphous form after the formation of the inclusion complex. The findings were also supported by the saturation solubility study, which showed a significant enhancement in solubility. From the results, it can be concluded that Cyclosporine A inclusion complex using HP βCD with TPGS is an excellent delivery system. Therefore, the prepared delivery systems may be an alternative to the conventional delivery system for enhanced solubility of highly lipophilic drugs.</p></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 7-8","pages":"383 - 394"},"PeriodicalIF":2.3,"publicationDate":"2024-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140324028","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
Conformational investigations on three large dinuclear triple helicates by single crystal X-ray diffraction 通过单晶 X 射线衍射对三种大型双核三螺旋体的构象研究
IF 2.3 4区 化学
Journal of Inclusion Phenomena and Macrocyclic Chemistry Pub Date : 2024-03-21 DOI: 10.1007/s10847-024-01235-3
Kyle J. Howard-Smith, Matthew J. Wallis, James P. Flood, Hyunsung Min, Joseph C. Tadros, Ruoming Tian, Mohan M. Bhadbhade, Christopher E. Marjo, Feng Li
{"title":"Conformational investigations on three large dinuclear triple helicates by single crystal X-ray diffraction","authors":"Kyle J. Howard-Smith,&nbsp;Matthew J. Wallis,&nbsp;James P. Flood,&nbsp;Hyunsung Min,&nbsp;Joseph C. Tadros,&nbsp;Ruoming Tian,&nbsp;Mohan M. Bhadbhade,&nbsp;Christopher E. Marjo,&nbsp;Feng Li","doi":"10.1007/s10847-024-01235-3","DOIUrl":"10.1007/s10847-024-01235-3","url":null,"abstract":"<div><p>Three new dinuclear triple helicates were synthesised using a ditopic semi-rigid pyridylylimine ligand <b>L</b>, separated by a diphenoxy-biphenol spacer providing considerable length to the backbone. <b>L</b> and the new large dinuclear triple helicate complexes [Fe<sub>2</sub><b>L</b><sub>3</sub>](BF<sub>4</sub>)<sub>4</sub> (<b>1</b>), [Ni<sub>2</sub><b>L</b><sub>3</sub>](BF<sub>4</sub>)<sub>4</sub> (<b>2</b>) and [Zn<sub>2</sub><b>L</b><sub>3</sub>](BF<sub>4</sub>)<sub>4</sub> (<b>3</b>) have been characterised in solution and solid state. Single crystal X-ray diffraction was used to investigate overall complex ion shape as the coordination sphere was modulated by metal ion selection. Small differences in complex shape were seen to arise due to subtle distortions in coordination sphere environments. This study sheds light on how the length and twist of dinuclear triple helicates can be tuned by selection of coordinating metal ion.</p></div>","PeriodicalId":638,"journal":{"name":"Journal of Inclusion Phenomena and Macrocyclic Chemistry","volume":"104 5-6","pages":"199 - 207"},"PeriodicalIF":2.3,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10847-024-01235-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140202667","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
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信