{"title":"Near infrared-absorbing self-encapsulated phthalocyanine-cored polycaprolactone star polymeric nanoparticles","authors":"Aymen Nabeel Yaseen, Atefeh Emami, Haifa Ben Aziza, Merve Dandan Doganci, Ümit İşci, Ayşe Gül Gürek, Erdinc Doganci, Fabienne Dumoulin","doi":"10.1142/s1088424624500020","DOIUrl":"https://doi.org/10.1142/s1088424624500020","url":null,"abstract":"<p>An octahydroxylated photosensitizing Zn phthalocyanine has been used as an initiator in ring-opening polymerization of <span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><mi>𝜀</mi></math></span><span></span>-caprolactone. Three different phthalocyanine-core star polymers have been obtained, with each arm functionalized with either 20, 30, or 40 units. To benefit from the absorption of these polymers in the first near-infrared (NIR) phototherapeutic window, the phthalocyanine cores have been self-encapsulated into their polycaprolactone arms to yield biocompatible star polymeric nanoparticles exhibiting a remarkable absorption centered at 782 nm and an excellent logarithmic extinction coefficient value in water.</p>","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"49 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140152385","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}
Rehana Yasmeen, Gauri Devi Bajju, Haq Nawaz Sheikh
{"title":"Bismuth porphyrin anchored reduced graphene oxide nanocomposites as a fascinating photocatalyst for rhodamine B dye degradation","authors":"Rehana Yasmeen, Gauri Devi Bajju, Haq Nawaz Sheikh","doi":"10.1142/s1088424624500044","DOIUrl":"https://doi.org/10.1142/s1088424624500044","url":null,"abstract":"<p>Herein, two porphyrins with bismuth metal incorporated in the porphyrinic core were synthesized having peripheral carboxyl and hydroxyl functional groups. The successful synthesis of free base porphyrin and their bismuth-integrated metalloporphyrins was identified using <sup>1</sup>H NMR spectroscopy, UV-visible and Fourier transform infrared (FT-IR). Further, these bismuth porphyrins complexes were doped with thermally reduced graphene oxide (TRGO) <i>via</i> simple solvothermal techniques. The intrinsic characteristics of prepared metalloporphyrins-based reduced graphene oxide nanocomposites were examined by using various spectroscopic techniques like, photo-physical properties (UV-Visible spectroscopy and Fluorescence spectroscopy), Fourier transform infrared (FT-IR), powdered X-ray diffraction (P-XRD) patterns, FE-SEM and EDX analysis. At last, the photocatalytic properties of nanocomposites were demonstrated by photocatalytic degradation of industrial pollutant rhodamine B (Rh-b) on irradiation of visible light. The catalytic efficiency of RGO-Bi-P1 and RGO-Bi-P2 came out to be 94.58% and 93.26%, respectively.</p>","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"143 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140152458","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}
{"title":"Liquid crystalline behaviors of porphyrin iron(III) chloride complexes with different alkyl chain lengths","authors":"Dumrongsak Aryuwananon, Suttinun Phongtamrug, Buncha Pulpoka","doi":"10.1142/s1088424624500032","DOIUrl":"https://doi.org/10.1142/s1088424624500032","url":null,"abstract":"<p>Two novel porphyrin liquid crystals were designed and synthesized. Their structures were characterized by NMR, FT-IR, UV-visible, and mass spectroscopies. The liquid crystalline properties were investigated by DSC, POM and XRD analyses. The C<span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>1</mn><mn>2</mn></mrow></msub></math></span><span></span> and C<span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>1</mn><mn>8</mn></mrow></msub></math></span><span></span> alkyl chains porphyrin iron(III) complex (<b>1-2</b>) displayed three liquid crystalline transitions in a wide temperature range. Both long alkyl chain porphyrin iron(III) complexes were exhibited a columnar mesophase type.</p>","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"32 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140152457","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}
{"title":"Structural, photophysical, and electrochemical redox properties of meso-tetrakis(pentafluorophenyl)porphyrins","authors":"Ankit Kumar Deval, Muniappan Sankar","doi":"10.1142/s1088424624500019","DOIUrl":"https://doi.org/10.1142/s1088424624500019","url":null,"abstract":"<p>This study delineates the synthesis and comprehensive characterization of metal complexes of <i>meso</i>-tetrakis(pentafluorophenyl)porphyrin (H<sub>2</sub>TPF<span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>2</mn><mn>0</mn></mrow></msub></math></span><span></span>P, <b>1</b>) with first-row transition metal ions (M = Mn(III) <b>2</b>, Fe(III) <b>3</b>, Co(II) <b>4</b>, Ni(II) <b>5</b>, Cu(II) <b>6</b>, and Zn(II) <b>7</b>) to elucidate their structural, electronic spectral, and electrochemical redox properties. Co, Ni, Cu and Zn Complexes exhibit planar structure (<span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><mi mathvariant=\"normal\">Δ</mi></math></span><span></span>24 = 0.003-0.021 Å and <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mi mathvariant=\"normal\">Δ</mi></math></span><span></span>C<span><math altimg=\"eq-00004.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mi>β</mi></mrow></msub></math></span><span></span> = 0.004−0.041 Å) which is also confirmed by the single crystal data of complex ZnTPF<span><math altimg=\"eq-00005.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>2</mn><mn>0</mn></mrow></msub></math></span><span></span>P, <b>7</b> shows the planar geometry, while Fe and Mn complexes show the slightly nonplanar structure (<span><math altimg=\"eq-00006.gif\" display=\"inline\" overflow=\"scroll\"><mi mathvariant=\"normal\">Δ</mi></math></span><span></span>24 = 0.101–0.143 Å and <span><math altimg=\"eq-00007.gif\" display=\"inline\" overflow=\"scroll\"><mi mathvariant=\"normal\">Δ</mi></math></span><span></span>C<span><math altimg=\"eq-00008.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mi>β</mi></mrow></msub></math></span><span></span> = 0.080–0.112 Å), which are distorted due to their occupied axial sites by −Cl ligand as revealed by density functional theory (DFT) calculations. Furthermore, electronic spectroscopy revealed a gradual bathochromic shift following the order of NiTPF<span><math altimg=\"eq-00009.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>2</mn><mn>0</mn></mrow></msub></math></span><span></span>P < CoTPF<span><math altimg=\"eq-00010.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>2</mn><mn>0</mn></mrow></msub></math></span><span></span>P < CuTPF<span><math altimg=\"eq-00011.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>2</mn><mn>0</mn></mrow></msub></math></span><span></span>PCl < H<sub>2</sub>TPF<span><math altimg=\"eq-00012.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>2</mn><mn>0</mn></mrow></msub></math></span><span></span>P = FeTPF<span><math altimg=\"eq-00013.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>2</mn><mn>0</mn></mrow></msub></math></span><span></span>PCl < ZnTPF<span><math altimg=\"eq-00014.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow>","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"82 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140156496","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}
Aviwe K. May, Bokolombe P. Ngoy, John Mack, Tebello Nyokong
{"title":"Photodynamic antimicrobial activities of a series of meso-substituted 2,6-dibrominated 1,3,5,7-tetramethylBODIPY dyes","authors":"Aviwe K. May, Bokolombe P. Ngoy, John Mack, Tebello Nyokong","doi":"10.1142/s1088424623501316","DOIUrl":"https://doi.org/10.1142/s1088424623501316","url":null,"abstract":"<p>The photodynamic antimicrobial chemotherapy (PACT) activities of seven 1,3,5,7-tetramethyl-2,6-dibromoBODIPY dyes with 4-acetamidophenyl (<b>2a</b>), 2-iodophenyl (<b>2b</b>), 3-iodophenyl (<b>2c</b>), 4-iodophenyl (<b>2d</b>), 2-bromophenyl (<b>2e</b>), 5-bromothien-2-yl (<b>2f</b>), and methylphenyl ester (<b>2g</b>) <i>meso</i>-substituents were studied against <i>Staphylococcus aureus</i> through irradiation with a 530 nm Thorlabs M530L3 light emitting diode (LED) (110 mW.cm<span><math altimg=\"eq-00001.gif\" display=\"inline\" overflow=\"scroll\"><msup><mrow></mrow><mrow><mo stretchy=\"false\">−</mo><mn>2</mn></mrow></msup><mo stretchy=\"false\">)</mo></math></span><span></span> to identify structure-property relationships related to modifying the <i>meso</i>-substituent. Significant differences are observed in the log<span><math altimg=\"eq-00002.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>1</mn><mn>0</mn></mrow></msub></math></span><span></span> reduction values obtained with 1 <span><math altimg=\"eq-00003.gif\" display=\"inline\" overflow=\"scroll\"><mi>μ</mi></math></span><span></span>M of <b>2a</b> exhibiting the highest PACT activity with a value of 9.60 after 15 min of photoirradiation. In contrast, log<span><math altimg=\"eq-00004.gif\" display=\"inline\" overflow=\"scroll\"><msub><mrow></mrow><mrow><mn>1</mn><mn>0</mn></mrow></msub></math></span><span></span> reduction values < 1.20 were obtained after 60 min of photoirradiation for iodophenyl dyes <b>2b-2d</b>. The data demonstrate that the singlet oxygen quantum yield of the dye is not the most important factor determining the PACT activity properties.</p>","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"16 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140152576","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}
{"title":"A Young Infant with Skin Blisters Like Dew Drops Over Rose Petals.","authors":"Chetan Khare, Ambalakkuthan Murugesan","doi":"10.5001/omj.2023.118","DOIUrl":"10.5001/omj.2023.118","url":null,"abstract":"","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"21 1","pages":"e581"},"PeriodicalIF":0.0,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10800744/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70682260","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}
Yulia B. Ivanova, S. Pukhovskaya, M. M. Lukanov, A. Semeikin, A. Vashurin, Sergey A. Syrbua
{"title":"Structure, acidic properties and the coordination ability of sapphyrin with an unsymmetric substitution system","authors":"Yulia B. Ivanova, S. Pukhovskaya, M. M. Lukanov, A. Semeikin, A. Vashurin, Sergey A. Syrbua","doi":"10.1142/s1088424623501298","DOIUrl":"https://doi.org/10.1142/s1088424623501298","url":null,"abstract":"","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"457 ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139249689","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}
Arezo Bahrami, Majid Jafarian, G. S. Ferdowsi, Saeed Rayati
{"title":"Electrocatalytic oxidation of petroleum, toluene and xylene on the Ni-porphyrin-modified graphite electrode","authors":"Arezo Bahrami, Majid Jafarian, G. S. Ferdowsi, Saeed Rayati","doi":"10.1142/s1088424623501304","DOIUrl":"https://doi.org/10.1142/s1088424623501304","url":null,"abstract":"","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"203 ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139249680","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}
Nicholas John Dudley, Sucheta Jindal, Helen Varley
{"title":"An evaluation of systematic and random errors in ultrasound estimated fetal weight during serial ultrasound.","authors":"Nicholas John Dudley, Sucheta Jindal, Helen Varley","doi":"10.1177/1742271X221139796","DOIUrl":"10.1177/1742271X221139796","url":null,"abstract":"<p><strong>Introduction: </strong>Ultrasound estimated fetal weight is increasingly being used in the monitoring of fetal growth. Large systematic and random errors in estimated fetal weight have been reported; these may have an impact on the accuracy of fetal growth monitoring. The aim of this study was to attempt to evaluate these systematic and random errors by analysis of serial ultrasound data.</p><p><strong>Methods: </strong>Ultrasound measurements and birthweights were retrospectively collected for 100 unselected patients who had undergone serial ultrasound. Birthweights were used to calculate expected fetal growth trajectories using a method for generating growth charts based on customised birthweights. Estimated fetal weight results were then compared with the expected growth trajectories to evaluate systematic and random differences.</p><p><strong>Results: </strong>Incomplete measurement sets were excluded, reducing the number of scans to less than three for 13 subjects. A further 17 subjects with suspected pathological growth trajectories were excluded. The final analysis included 70 subjects with a total of 246 scans. The mean difference between estimated fetal weight and expected weight over three to six scans ranged from -17.5% to 38.3% with a mean of 8.4%, representing the systematic difference. The standard deviation of these differences ranged from 0.4% to 21% with a mean of 4.3%, representing random difference.</p><p><strong>Conclusion: </strong>Systematic and random differences between estimated fetal weight and expected fetal weight are significant and make interpretation of fetal growth difficult. Further improvements to formulae and growth curves are required and audit of fetal measurements is essential to service improvement.</p>","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"21 1","pages":"259-265"},"PeriodicalIF":4.4,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10621486/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72984863","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}
{"title":"Effect of π-extension and halogenation on the optical limiting properties of <i>meso</i>-pyrenylBODIPYdyes","authors":"Gugu Kubheka, John Mack, Tebello Nyokong","doi":"10.1142/s1088424623501274","DOIUrl":"https://doi.org/10.1142/s1088424623501274","url":null,"abstract":"","PeriodicalId":16876,"journal":{"name":"Journal of Porphyrins and Phthalocyanines","volume":"27 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135869826","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}