Rasayan Journal of Chemistry最新文献_第9页

HYDROTHERMAL SYNTHESIS AND CHARACTERIZATION STUDIES OF NANO GRAPHENE OXIDE / COPPER OXIDE (CuO) NANOCOMPOSITES SUITABLE FOR SUPERCAPACITOR APPLICATIONS 适用于超级电容器的纳米氧化石墨烯/氧化铜(CuO)纳米复合材料的水热合成及表征研究

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1618190

M. Muthu, P. Ajith, J. Agnes, M. Selvakumar, M. Presheth, D. P. Anand

{"title":"HYDROTHERMAL SYNTHESIS AND CHARACTERIZATION STUDIES OF NANO GRAPHENE OXIDE / COPPER OXIDE (CuO) NANOCOMPOSITES SUITABLE FOR SUPERCAPACITOR APPLICATIONS","authors":"M. Muthu, P. Ajith, J. Agnes, M. Selvakumar, M. Presheth, D. P. Anand","doi":"10.31788/rjc.2023.1618190","DOIUrl":"https://doi.org/10.31788/rjc.2023.1618190","url":null,"abstract":"The chemical properties of copper oxide (CuO) have made it an important material in the field of advanced technology for decades. The advantages of this material are its low cost, chemical stability, and remarkable electrochemical performance. The applications are found particularly in the fields of photovoltaic and energy storage. Growing energy supercapacitors have gotten a lot of interest because of their promising capacitance, availability, obvious electrochemical response, and ease of manufacture of copper oxides to address the high need for efficient electrochemical energy storage systems. This research describes a hydrothermal technique to produce GO/CuO nanocomposite for supercapacitor applications. XRD, FTIR, SEM, UV, and TGA, were used to evaluate the crystal nature, morphology, and chemical states of the produced GO/CuO nanocomposite, and electrochemical performance was tested using CV the manufactured nanocomposite materials as supercapacitor electrodes. The electrochemical results demonstrated that the GO/CuO nanocomposite is a good material for a supercapacitor electrode","PeriodicalId":21063,"journal":{"name":"Rasayan Journal of Chemistry","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69411078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

OPTIMIZING FLAVONOID EXTRACTION FROM Curcuma xanthorrhiza WITH A SIMPLEX CENTROID DESIGN 单形质心设计优化姜黄黄酮提取工艺

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1628201

R. Asyhar, M. Minarni, N. Marliani, R. Y. Galingging, W. Nurcholis

{"title":"OPTIMIZING FLAVONOID EXTRACTION FROM Curcuma xanthorrhiza WITH A SIMPLEX CENTROID DESIGN","authors":"R. Asyhar, M. Minarni, N. Marliani, R. Y. Galingging, W. Nurcholis","doi":"10.31788/rjc.2023.1628201","DOIUrl":"https://doi.org/10.31788/rjc.2023.1628201","url":null,"abstract":"Curcuma xanthorrhiza is a species of the genus Curcuma which is a medicinal ingredient in high demand in Indonesia and other countries. Chemical compounds such as flavonoids and their diverse bioactivity have triggered research that prioritizes quality and efficiency. This study was designed to optimize the extraction solvent in producing flavonoids from the rhizome of C. xanthorrhiza based on a simplex centroid design using Design Expert 13.0. Extractor solvents (water, acetone, ethanol, and methanol), as well as their combinations, were studied to test the total flavonoid content using the calorimetric aluminum chloride method by spectrophotometer. The experimental results with the special cubic model are a good and reliable fit for recovering flavonoids. The optimal conditions obtained were highly accurate at the desirability value of 1.00 with a mixed solvent of methanol (0.445) and ethanol (0.555), which resulted in total flavonoid content of 144.665 mg quercetin equivalent per gram dry weight. Methanol and ethanol combined can be an effective solvent option for extracting high amounts of active compounds (especially flavonoids) in C. xanthorrhiza rhizome.","PeriodicalId":21063,"journal":{"name":"Rasayan Journal of Chemistry","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69411313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

CR2016 COIN CELL BATTERY PERFORMANCE WITH LiFe0.09Gd0.01PO4/C CATHODES USING CONDUCTIVITY PARAMETERS, CHARGING MECHANISMS AND A LITHIUM DIFFUSION 使用LiFe0.09Gd0.01PO4/C阴极的CR2016硬币电池性能，包括电导率参数、充电机制和锂扩散

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1628250

A. Suprabawati, I. Rahayu, A. Noviyanti, A. Anggraeni, H. Jodi

引用次数: 0

SYNTHESIS, CHARACTERIZATION AND ANTICANCER STUDIES OF NEWFANGLED INDIUM (III) SCHIFF BASE METAL COMPLEXES 新型铟希夫贱金属配合物的合成、表征及抗癌研究

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1631757

M. M. Jagadale, M. R. Asabe, V.T. Vader, S. V. Rajmane, V. P. Ubale

{"title":"SYNTHESIS, CHARACTERIZATION AND ANTICANCER STUDIES OF NEWFANGLED INDIUM (III) SCHIFF BASE METAL COMPLEXES","authors":"M. M. Jagadale, M. R. Asabe, V.T. Vader, S. V. Rajmane, V. P. Ubale","doi":"10.31788/rjc.2023.1631757","DOIUrl":"https://doi.org/10.31788/rjc.2023.1631757","url":null,"abstract":"The newfangled Schiff base ligand 2-{[4-(4’- amino-phenoxy)- phenylimino]-methyl}-phenol [HL 1 ], 2-{[4-(4’- amino-phenoxy)- phenylimino]-methyl}- naphthalene-2-ol [HL 2 ], 2-{[4-(4’- amino-phenoxy)- phenylimino]- methyl}- 4 - bromophenol [HL 3 ] and 2-{[4-(4’- amino-phenoxy)- phenylimino]-methyl}-6- methoxyphenol [HL 4 ] and it’s In(III) metal complexes had been synthesized. The ligand and metal complexes have been characterized with elemental analysis, UV-visible, IR, 1 H NMR spectroscopy, thermal studies, and magnetic susceptibility measurement. The crystallographic investigation reveals the tetragonal geometry of In (III) complexes of Schiff bases HL 1 to HL 4 . Also, the magnetic moment and electronic spectral studies supported the tetrahedral structure In (III) complexes of Schiff bases. The antibacterial and antifungal activity of the Schiff base was accentuated while being coordinated with metal ions. Ligand [HL 1-4 ] is immune to both human cancer cell lines, comprehensive of breast (MCF7) and colon (HT29) with GI50 of 62.2 μM, 65.2 μM, 72.2 μM, and 84 μM respectively. In (III) metal complexes confirm adequate activity in the breast (MCF7) cellular cell line with IC50 values of 31.1 μM.","PeriodicalId":21063,"journal":{"name":"Rasayan Journal of Chemistry","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136259081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

UTILIZATION OF AVOCADO SEED WASTE IN THE SYNTHESIS OF SULFONATED CARBON CATALYSTS USING CHLOROSULFONIC ACID FOR BIODIESEL PRODUCTION 利用牛油果籽废料制备氯磺酸磺化碳催化剂生产生物柴油

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1638272

Umar Kalmar Nizar, Rizki Gunawan, Taufiq Yap Yun Hin, Rita Sundari, Surahim Bin Mahmud, Siti Fadhilah Binti Ibrahim, Nawirus Sazali, Amelia Sintia, Arrum Lazuardi, Niza Lian Pernadi

{"title":"UTILIZATION OF AVOCADO SEED WASTE IN THE SYNTHESIS OF SULFONATED CARBON CATALYSTS USING CHLOROSULFONIC ACID FOR BIODIESEL PRODUCTION","authors":"Umar Kalmar Nizar, Rizki Gunawan, Taufiq Yap Yun Hin, Rita Sundari, Surahim Bin Mahmud, Siti Fadhilah Binti Ibrahim, Nawirus Sazali, Amelia Sintia, Arrum Lazuardi, Niza Lian Pernadi","doi":"10.31788/rjc.2023.1638272","DOIUrl":"https://doi.org/10.31788/rjc.2023.1638272","url":null,"abstract":"A series of sulfonated avocado seed carbon catalysts for biodiesel production was successfully synthesized. The carbonization of avocado seed has been varied at 300 o C, 400 o C, 500 o C, and 600 o C using nitrogen gas purging followed by sulfonation applying HSO 3 Cl (chlorosulfonic acid) in chloroform solvent. The designed catalyst has been characterized using FTIR, XRD, and TPD-NH 3 . The results show strong absorption peaks in FTIR spectra at the wave numbers of 1140 and 1030 cm -1 , which indicates an O-S-O bonding vibration in asymmetric and symmetric stretching. Meanwhile, the XRD patterns show two main peaks, namely the broad peak at 2  10 o -30 o corresponding with the C (002) plane and the sharp peak at 2  40 o -45 o corresponding with the C (101) plane. The TPD-NH 3 reveals that the catalyst with the highest acid site number showed for sulfonated avocado seed carbon calcined at 400 o C (AS400-S) sample. The catalytic activity shows the designed catalyst can convert PFAD to form biodiesel until 64.6061%.","PeriodicalId":21063,"journal":{"name":"Rasayan Journal of Chemistry","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136259739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

ANTIMALARIAL ACTIVITY OF NEWLY SYNTHESIZED N-(8- HYDROXY QUINOLIN-5-YL)-2,4,6-TRIMETHYL BENZENESULFONAMIDE (8HQTBS) LIGAND AND THEIR METAL CHELATES 新合成的n -(8-羟基喹啉-5-基)-2,4,6-三甲基苯磺酰胺(8hqtbs)配体及其金属螯合物的抗疟活性

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1638294

None R. Kharwar, B. C. Dixit, R. B. Dixit

引用次数: 0

SYNTHESIS AND ANTIBACTERIAL ACTIVITIES OF NEW 6- ARYL-4-OXO-1,4-DIHYDROPYRIMIDINE DERIVATIVES 新型6-芳基-4-氧-1,4-二氢嘧啶衍生物的合成及抗菌活性研究

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1638242

R. C. Die, B. Fanté, N. C. M. Ambeu-Loko, M.-A. Hiebel, None A. Vallin, None F. Suzenet, None V. Chagnault

引用次数: 0

α-GLUCOSIDASE INHIBITORY ACTIVITIES AND ANTIOXIDANT PROPERTIES OF DEPSIDONE FROM Garcinia parvifolia 栀子油苷α-葡萄糖苷酶抑制活性及抗氧化性能研究

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1638385

None R. Ramadhan, None K. Ul-Haq, None P. Phuwapraisirisan, None F.A. Puspitasari, None H. Suwito

引用次数: 0

ANTIALOPECIA ACTIVITY EXPLORATION BY In-silico ANALYSIS OF BIOACTIVE COMPOUNDS FROM Sansevieria trifasciata PRAIN LEAVES THROUGH 5α-REDUCTASE INHIBITION 利用5α-还原酶抑制三叶草叶生物活性物质的硅质分析探讨其抗脱发活性

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1638393

None H. Kasmawati, None R. Mustarichie, None E. Halimah, None R. Ruslin, None A. Arfan, N. A. Sida, S. Suryani, None Y. Yamin

引用次数: 0

ALUM CATALYZED AN ECO-FRIENDLY SYNTHESIS OF BENZYLIDENE MALONONITRILE AND BENZYLIDENE BARBITURIC ACID DERIVATIVES IN AQUEOUS MEDIUM 明矾在水介质中催化合成了苯并二甲基丙二腈和苯并二甲基巴比妥酸衍生物

Rasayan Journal of Chemistry Pub Date : 2023-01-01 DOI: 10.31788/rjc.2023.1638394

B. P. Koli, None R. P. Gore

引用次数: 0