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Effect of Different Calcium Salts on Calcium Carbonates Formation Induced by Halophilic Bacillus oceanisediminis CB1 不同钙盐对嗜盐海洋芽孢杆菌CB1诱导碳酸钙形成的影响
Acta Chimica Asiana Pub Date : 2022-12-31 DOI: 10.29303/aca.v5i2.138
Chintan Bhagat, S. Bhavsar, Rajesh Patel, A. Ghelani, P. Dudhagara, Rajesh Chaudhari
{"title":"Effect of Different Calcium Salts on Calcium Carbonates Formation Induced by Halophilic Bacillus oceanisediminis CB1","authors":"Chintan Bhagat, S. Bhavsar, Rajesh Patel, A. Ghelani, P. Dudhagara, Rajesh Chaudhari","doi":"10.29303/aca.v5i2.138","DOIUrl":"https://doi.org/10.29303/aca.v5i2.138","url":null,"abstract":"Biomineralization through the biomimetic CO2 sequestration process has been gaining attraction in recent years due to the formation of carbonates widely used as raw material in various industrial processes. The deposition and dissolution of calcium carbonate can be affected by physiochemical factors, such as the type of calcium salt. However, most studies have focused on calcium chloride (CaCl2). In the present study, A potent bacterial carbonic anhydrase (CA) producer, Bacillus oceanisediminis CB1, was screened on CA activity from mangrove plant Avicennia marina, collected from Ghogha, Bhavnagar, India (21.68°N 72.28°E). We premeditated deposition experiments to determine the effects of different calcium salts on calcium carbonate deposition in Bacillus oceanisediminis CB1 colonies. The results demonstrated the calcite formation observed in calcium salt-supplemented nutrient agar, calcium chloride, and calcium acetate. Merely uniform distribution and peripheral distribution of calcite particles found in calcium acetate and calcium chloride supplemented into nutrient agar, respectively. Calcite formation was confirmed by staining with Alizarin Red S dye followed by  SEM-EDX. This study will provide a vital reference for designing and applying microbial-induced carbonate precipitation using different calcium salts.","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"34 1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77676503","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
Effect of oxygen heteroatom on sensor-cyanide anions binding 氧杂原子对传感器-氰化物阴离子结合的影响
Acta Chimica Asiana Pub Date : 2022-12-23 DOI: 10.29303/aca.v5i2.118
R. Rahmawati, Fara Dwirani Sofia
{"title":"Effect of oxygen heteroatom on sensor-cyanide anions binding","authors":"R. Rahmawati, Fara Dwirani Sofia","doi":"10.29303/aca.v5i2.118","DOIUrl":"https://doi.org/10.29303/aca.v5i2.118","url":null,"abstract":"The study aims to analyze the effect of heteroatom replacement on benzimidazole derivative chemosensor compounds on the ability to form hydrogen bonds with anions. In this case, the N heteroatom in the benzimidazole derivative sensor compound (S1) is replaced with the O heteroatom to become a benzoxazole derivative sensor compound (S3). Calculating the energy of the molecules involved in the electron level gives the following results: replacing heteroatoms with more electronegative atoms increases the HOMO energy of the sensor molecules, making the sensor more reactive to anions and strengthening the binding of the sensor with cyanide anions.","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"14 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88053405","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
Free radical scavenging actions of virgin coconut oil 初榨椰子油对自由基的清除作用
Acta Chimica Asiana Pub Date : 2022-07-12 DOI: 10.29303/aca.v5i2.120
Jono Irawan, A. Hakim, S. Hadisaputra
{"title":"Free radical scavenging actions of virgin coconut oil","authors":"Jono Irawan, A. Hakim, S. Hadisaputra","doi":"10.29303/aca.v5i2.120","DOIUrl":"https://doi.org/10.29303/aca.v5i2.120","url":null,"abstract":"Natural antioxidants are quite popular in beauty products. In further product development, natural antioxidants are needed from local products of the NTB community. This study aims to optimize the antioxidant activity of local products Virgin Coconut Oil (VCO) from Cocos nucifera L. grown in Lombok. This type of research is experimental laboratory research using the DPPH method. VCO was isolated by conventional methods, namely standing and layered filtration. Data were obtained from the results of the UV-Vis spectroscopy test. The results showed that the free radical inhibition of VCO was strong, with an IC50 value of 51.57 and an inhibition of 48% at a 5% VCO concentration. The absorbance of DPPH decreased with increasing reaction time. The decrease in absorbance from every 5 minutes indicates the antioxidant activity continues to a stationary point. A color change indicates the stationary point to yellow. The strong antioxidant activity of VCO is used as the basis for its use as an active ingredient in various cosmetic products. VCO is also believed to have a function as a natural moisturizer.","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80068682","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: 2
Thermodynamics and kinetic studies of methyl orange dye adsorption in magnetic material-silica-zeolite (MM-Sio2-NZ) composite 磁性材料-硅-沸石(MM-Sio2-NZ)复合材料吸附甲基橙染料的热力学和动力学研究
Acta Chimica Asiana Pub Date : 2022-05-10 DOI: 10.29303/aca.v6i2.159
A. Armid, Fahmiati Fahmiati, H. Ritonga, Darwin Ismail, L. Ramadhan
{"title":"Thermodynamics and kinetic studies of methyl orange dye adsorption in magnetic material-silica-zeolite (MM-Sio2-NZ) composite","authors":"A. Armid, Fahmiati Fahmiati, H. Ritonga, Darwin Ismail, L. Ramadhan","doi":"10.29303/aca.v6i2.159","DOIUrl":"https://doi.org/10.29303/aca.v6i2.159","url":null,"abstract":"Using methyl orange (MO) in dye industries can cause the accumulation of MO waste in aquatic systems, including seawater. A magnetic material-silica-zeolite (MM-SiO2-NZ) composite was investigated in vitro to adsorb methyl orange (MO) dye. MM-SiO2-NZ composite was characterized using FTIR, XRF, and VSM. Adsorption studies with pH, concentration, contact time, and temperature variations were carried out to determine the adsorption capacity. The MM-SiO2-NZ characterization results by FTIR showed the presence of OH groups from Fe-OH, Si-OH, and Al-OH, and there were Fe-O, Si-O, Al-O, Si-O-Si, and Si-O-Fe groups. The results of XRF characterization showed that the metal oxide content of Fe2O3 in magnetic material (MM) was 75.39% and decreased to 52.63% after the MM-SiO2-NZ composite was formed. The characterization using VSM indicated the magnetic properties of MM to be 44.083 emu/g, then decreased to 11.407 emu/g after being composited. The adsorption of MM-SiO2-NZ tends to follow the Langmuir adsorption isotherm with a Langmuir constant (KL) value of 1.332 L/mg. Furthermore, the adsorption kinetics followed the pseudo-second-order kinetics with a constant value (k2) of 3×10-2 g.mg/min. MO dye adsorption by MM-SiO2-NZ took place spontaneously with Gibbs free energy (ΔG), enthalpy (ΔH), and entropy (ΔS) values of -1.109 kJ/mol, -38.687 kJ/mol, and -12.402 kJ/mol, respectively.","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"2013 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86248260","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
The separation of alkyldiethanolamide based on Kernel oil of Calophyllum inophillum fruit using High-Performance Liquid Chromatography 用高效液相色谱法分离茶树果仁油中的烷基二乙醇酰胺
Acta Chimica Asiana Pub Date : 2022-04-17 DOI: 10.29303/aca.v5i1.78
Masrori Iqbal, D. Suhendra, Erin Ryantin Gunawan
{"title":"The separation of alkyldiethanolamide based on Kernel oil of Calophyllum inophillum fruit using High-Performance Liquid Chromatography","authors":"Masrori Iqbal, D. Suhendra, Erin Ryantin Gunawan","doi":"10.29303/aca.v5i1.78","DOIUrl":"https://doi.org/10.29303/aca.v5i1.78","url":null,"abstract":"This study aimed to separate the synthesized alkyldiethanolamide from kernel oil Calophyllum inophyllum (Local name: Nyamplung) using High-Performance Liquid Chromatography (HPLC). HPLC column utilized was SGE ODS-2 reverse phase and UV detector 213 nm. The variables to obtain the optimum conditions for separating alkyldiethanolamide were mobile phase and flow rate. The mobile phase composition and the optimum separation flow rate obtained acetonitrile: water (90:10) and 1.5 mL/minute, respectively. The percentage compositions of amide fatty acids that had been successfully synthesized based on HPLC were linoleoyl diethanolamide (46-49%), oleoyl diethanolamide (27-29%), palmitoyl diethanolamide (11-14%), and stearoyl diethanolamide (9-11%).","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"131 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86359691","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 Waste Shells as Cao Catalyst in Biodiesel Production from Used Cooking Oil 利用废食用油生产生物柴油的废壳催化氧化研究
Acta Chimica Asiana Pub Date : 2022-04-17 DOI: 10.29303/aca.v5i1.69
Umei Latifah Azzahro, W. Broto
{"title":"Utilization of Waste Shells as Cao Catalyst in Biodiesel Production from Used Cooking Oil","authors":"Umei Latifah Azzahro, W. Broto","doi":"10.29303/aca.v5i1.69","DOIUrl":"https://doi.org/10.29303/aca.v5i1.69","url":null,"abstract":"This research is motivated by the depletion of energy reserves while the need continues to grow. Biodiesel is an alternative fuel that is produced from vegetable oil, animal fat, waste oil, and so on. This study aims to determine the best transesterification treatment variable and also determine the most influential main effect using the 2 level 3 factorial design method. operating time of 50 minutes and 70 minutes. The best transesterification conditions were found in the 8th variable with the addition of 4% (w/w) CaO catalyst, 70 minutes of transesterification time, and 70 oC operating temperature. The biodiesel characteristics obtained were viscosity value 4.8908 cSt, density 853.2 kg/m3 , the yield was 78.1%, and the cetane number was 39. The most influential effect was the percentage of catalyst.","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84237136","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
Cinnamon (Cinnamomum burmannii) Bark Essential Oil as Raw Material for Skin Cream and Anti-Bacterial 肉桂(Cinnamomum burmannii)树皮精油作为护肤霜和抗菌原料
Acta Chimica Asiana Pub Date : 2022-04-17 DOI: 10.29303/aca.v5i1.80
Sandra Lewa, S. Gugule
{"title":"Cinnamon (Cinnamomum burmannii) Bark Essential Oil as Raw Material for Skin Cream and Anti-Bacterial","authors":"Sandra Lewa, S. Gugule","doi":"10.29303/aca.v5i1.80","DOIUrl":"https://doi.org/10.29303/aca.v5i1.80","url":null,"abstract":"Research has been carried out to identify the essential oil components of cinnamon bark (Cinnamomum burmannii) which will be used in the manufacture of face creams and to test its inhibition against Staphylococcus aureus bacteria. Cinnamon bark essential oil was separated by steam distillation method. The essential oils obtained were identified by gas chromatography-mass spectroscopy (GC-MS) and infrared spectra. The GC-MS chromatogram of cinnamon bark essential oil yielded 3 peaks. The compound that has the largest retention time and concentration is 1,3 octadien-3-ol (linalool). Analysis of absorption data in the infrared spectrum resulted in 3 specific bonds, namely C=O (aldehyde), C=C (aliphatic), and C=N (imin) groups. The results of the formulation and characteristic test of cinnamon bark essential oil cream, all formulations met the National Standard, namely pH 7, adhesion 28.61 seconds, spreadability of 6.1 cm. Inhibition against Staphylococcus aureus was tested using the diffusion method. The greatest inhibitory power was found at a concentration of 15% with a clear zone formed of 2.15 mm.","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73973587","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: 4
Kinetic Study of Gas Formation in Styrofoam Pyrolysis Process 泡沫聚苯乙烯热解过程产气动力学研究
Acta Chimica Asiana Pub Date : 2021-11-03 DOI: 10.29303/aca.v4i2.76
I. Anom
{"title":"Kinetic Study of Gas Formation in Styrofoam Pyrolysis Process","authors":"I. Anom","doi":"10.29303/aca.v4i2.76","DOIUrl":"https://doi.org/10.29303/aca.v4i2.76","url":null,"abstract":"This research aims to study the reaction kinetics of gas formation in the pyrolysis of styrofoam waste. Pyrolysis of styrofoam waste without a catalyst takes place at a constant temperature of 180°C. In contrast, the pyrolysis of styrofoam waste by adding a zeolite catalyst took place at a constant temperature of 170°C. The amount of styrofoam waste used in this research sample is 200 grams, and the natural zeolite catalyst is 5 grams. Pyrolysis of styrofoam waste without using a catalyst form a gas at a constant temperature of 180°C, the kinetics of the reaction takes place on the zero-order. This result follows the Arrhenius equation K = Ae10617/RT with an activation energy value (Ea) of 1.27x103 kJ.mol-1. Pyrolysis of styrofoam waste by adding a zeolite catalyst to gas formation at a constant temperature of 170°C also takes place on the zero-order. The equation follows Arrhenius K= Ae4711,5/RT and the activation energy value (Ea) is 5.66x102 kJ.mol-1.","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85489075","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
Molecular Study of Antiviral Compound of Indonesian Herbal Medicine as 3CLpro and PLpro Inhibitor in SARS-COV-2 印尼中草药3CLpro和PLpro抑制剂复方抗病毒SARS-COV-2的分子研究
Acta Chimica Asiana Pub Date : 2021-10-29 DOI: 10.29303/aca.v4i2.74
Baiq Ressa Puspita Rizma, Yek Zen Mubarok, Dian Fathita Dwi Lestari, A. D. Ananto
{"title":"Molecular Study of Antiviral Compound of Indonesian Herbal Medicine as 3CLpro and PLpro Inhibitor in SARS-COV-2","authors":"Baiq Ressa Puspita Rizma, Yek Zen Mubarok, Dian Fathita Dwi Lestari, A. D. Ananto","doi":"10.29303/aca.v4i2.74","DOIUrl":"https://doi.org/10.29303/aca.v4i2.74","url":null,"abstract":"Rapid transmission of COVID-19 disease and the fatal effects of the disease lead researchers to use various way to find potential anti-COVID-19 compounds, including using modern approaches. Molecular docking is one of the methods that can be used to analyse antiviral compounds and its molecular target from Indonesian herbs that are believed to have properties as anti-COVID-19. This study aims to analyse antiviral compounds from 5 herbs that have the potential as inhibitors of PLpro and 3CLpro, which both are a non-structural protein in SARS-CoV-2 by molecular docking approach using PLANTS. Remdesivir triphosphate, the active metabolite of remdesivir, was used as the comparison compound in studies. The results showed docking scores obtained from interactions between natural ligands, remdesivir trifospat, curcumin, demetoksikurkumin, bisdemetoksikurkumin, luteolin, apigenin, kuersetin, kaempferol, formononrtin-7-O-glucoronide, androgafolide, and neoandrogafolide with PLpro are as follows -111,441, -103,827, -103,609, -102,363, -100,27,-79,6655, -78.6901, -80.9337, -79.4686, -82.1124, -79.1789, and -97.2452.Combination between quercetin, neoandrographolide, bisdemethoxycurcumin, demetoxycurcumin, and curcumin showed a synergy effect by reduce its docking score. Meanwhile its interaction with the protein 3CLpro showed docking score for those compounds as follows 64.0074, -86.1811, -81.428, -87.1625, -78.2899, -73.4345,-70,3368, -71.5539, -68.4321, -72.0154, -75.9777 and -93.7746.Combination between andrographolide, neoandrographolide, bisdemethoxycurcumin, demetoxycurcumin and curcumin, also shows synegy effect in 3CLpro allow them to reduce the docking score.This study concludes that curcumin was known as the most potent compound that act as a PLpro inhibitor based on a docking score of -103,609, while in 3CLpro all the compound have a potential to inhibit 3CLpro with demethosxycurcumin and  neoandrogafolide as the most potent compound with a docking score -87,126 and -93.7746.","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85928799","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: 2
Microemulsion Stability of Virgin Coconut Oil Based on Tradition of Melala Sumbawa's Society 基于Melala Sumbawa社会传统的初榨椰子油微乳稳定性研究
Acta Chimica Asiana Pub Date : 2021-10-27 DOI: 10.29303/aca.v4i2.75
Devi Ayu Septiani, Jono Irawan, H. Hermansyah, Y. Andayani
{"title":"Microemulsion Stability of Virgin Coconut Oil Based on Tradition of Melala Sumbawa's Society","authors":"Devi Ayu Septiani, Jono Irawan, H. Hermansyah, Y. Andayani","doi":"10.29303/aca.v4i2.75","DOIUrl":"https://doi.org/10.29303/aca.v4i2.75","url":null,"abstract":"The Melala is a tradition of the Sumbawa people who use coconut milk to obtain Sumbawa oil for traditional medicine. Coconut milk is a colloidal system of stable oil in water (O/W) microemulsion. Within a particular time, the emulsion will split to produce oil (VCO), protein, and water due to the colloid equilibrium on the stability of the coconut milk emulsion. The purpose of this study was to compare the microemulsion stability of the coconut milk colloid system. The VCO was isolated by heating, enzymatically, acidifying, and adding whiting methods for comparison. The physical stability of the O/W microemulsion was measured by the volume of VCO produced from various isolation methods in simple laboratory experiments. The results showed that the physical stability of the O/W microemulsion on VCO isolation by enzymatic method using papain enzyme was the least.","PeriodicalId":7071,"journal":{"name":"Acta Chimica Asiana","volume":"58 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85175071","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: 1
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