International Journal of Advanced Chemistry最新文献_第5页

Physico-chemical and combustion analyses of bio-briquettes from biochar produced from pyrolysis of groundnut shell 花生壳热解制生物炭生物型煤的理化及燃烧分析

International Journal of Advanced Chemistry Pub Date : 2021-08-10 DOI: 10.14419/ijac.v9i2.31641

Ige Ayodeji Rapheal, Elinge Cosmos Moki, A. Muhammad, Gwani Mohammed, Lawal Gusau Hassan, Abubakar Umar BirninYauri

{"title":"Physico-chemical and combustion analyses of bio-briquettes from biochar produced from pyrolysis of groundnut shell","authors":"Ige Ayodeji Rapheal, Elinge Cosmos Moki, A. Muhammad, Gwani Mohammed, Lawal Gusau Hassan, Abubakar Umar BirninYauri","doi":"10.14419/ijac.v9i2.31641","DOIUrl":"https://doi.org/10.14419/ijac.v9i2.31641","url":null,"abstract":"The initiative of using biomass as a preference source of energy is vindicated by its availability, abundance, easy accessibility and its eco-friendly nature. This therefore calls for the conversion of agricultural wastes to usable form. This study is aimed to investigate the physicochemical and combustion properties of briquettes obtained from pyrolyzed biochar of groundnut shell. The groundnut shell biochar briquette bonded with cassava starch as binder were molded and analyzed. Proximate analysis, ultimate analyses, Scanning electron microscopy (SEM), Calorific values, density and compressive strength, among other properties, were determined for the fabricated briquettes. A high heating value of 45.20 MJ/Kg was recorded for groundnut shell biochar briquette compared to 25.20 MJ/Kg of raw groundnut shell briquette. While the ash contents of 5.12 % and 6.40 % were recorded for raw groundnut shell briquette and groundnut shell biochar briquette respectively. It took groundnut shell biochar briquette approximately 10 minutes to boil 1000 cm3 of water, while raw groundnut shell briquette boiled same quantity of water in 20 minutes. The finding of this study shows that the biochar obtained from the pyrolysis of groundnut shell is suitable for fuel briquette production. ","PeriodicalId":13723,"journal":{"name":"International Journal of Advanced Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76060391","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: 3

Cadmium oxide (CdO) nanoparticles–based drug delivery in cancer prevention, prognosis, diagnosis, imaging, screening, treatment and management and its role and application in overcoming drug resistance under synchrotron and synchrocyclotron radiations 纳米氧化镉(CdO)在肿瘤预防、预后、诊断、成像、筛查、治疗和管理中的应用及其在同步加速器和同步回旋辐射下克服耐药的作用和应用

International Journal of Advanced Chemistry Pub Date : 2021-08-10 DOI: 10.14419/ijac.v9i2.31653

Alireza Heidari, Margaret Hotz, Nancy MacDonald, Victoria Peterson, Angela Caissutti, E. Besana, J. Esposito, K. Schmitt, Ling-Yu Chan, Francesca Sherwood, M. Henderson, Jimmy Kimmel

{"title":"Cadmium oxide (CdO) nanoparticles–based drug delivery in cancer prevention, prognosis, diagnosis, imaging, screening, treatment and management and its role and application in overcoming drug resistance under synchrotron and synchrocyclotron radiations","authors":"Alireza Heidari, Margaret Hotz, Nancy MacDonald, Victoria Peterson, Angela Caissutti, E. Besana, J. Esposito, K. Schmitt, Ling-Yu Chan, Francesca Sherwood, M. Henderson, Jimmy Kimmel","doi":"10.14419/ijac.v9i2.31653","DOIUrl":"https://doi.org/10.14419/ijac.v9i2.31653","url":null,"abstract":"In the current research, Cadmium Oxide (CdO) nanoparticles–based drug delivery in cancer prevention, prognosis, diagnosis, imaging, screening, treatment and management and its role and application in overcoming drug resistance under synchrotron and synchrocyclotron radiations. is investigated. The calculation of thickness and optical constants of Cadmium Oxide (CdO) Cadmium Oxide (CdO) nanoparticles–based drug delivery in cancer prevention, prognosis, diagnosis, imaging, screening, treatment and management and its role and application in overcoming drug resistance under synchrotron and synchrocyclotron radiations. produced using sol–gel method over glassy medium through a single reflection spectrum is presented. To obtain an appropriate fit for reflection spectrum, the classic Drude–Lorentz model for parametric di–electric function is used. The best fitting parameters are determined to simulate the reflection spectrum using Lovenberg–Marquardt optimization method. The simulated reflectivity from the derived optical constants and thickness are in good agreement with experimental results. Cadmium Oxide (Cdo) Nanoparticles–Based Drug Delivery in Cancer Prevention, Prognosis, Diagnosis, Imaging, Screening, Treatment and Management and Its Role and Application in Overcoming Drug Resistance Under Synchrotron and Synchrocyclotron Radiations. ","PeriodicalId":13723,"journal":{"name":"International Journal of Advanced Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88623487","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: 12

Influence of solvents on polyphenol content and antioxidant activity of fig leaf extracts obtained by maceration and ultrasonic extraction 溶剂对浸渍和超声提取无花果叶提取物多酚含量及抗氧化活性的影响

International Journal of Advanced Chemistry Pub Date : 2021-06-30 DOI: 10.14419/ijac.v9i2.31590

Sabina Merzic, Ajla Sehanovic, Amila Music, Asim Saric, Mehmed Alic, Ajla Avdic, Almina Huskic, Basaryusuf Yazici, Maida Basic, Ivana Pavic, E. Horozić

引用次数: 1

Analysis of inhibition action of acacia nilotica ethanol extract on aluminium corrosion in 1.0M HCl and NaOH 相思乙醇提取物在1.0M HCl和NaOH中对铝的缓蚀作用分析

International Journal of Advanced Chemistry Pub Date : 2021-06-30 DOI: 10.14419/ijac.v9i2.31566

Abdul S.U, Ibrahim M.B., I. M. A.

引用次数: 0

Assessment of heavy metals in soil mining areas of gwanaalkaleri lga bauchi state gwanaalkaleri lga bauchi州土壤矿区重金属评价

International Journal of Advanced Chemistry Pub Date : 2021-06-11 DOI: 10.14419/ijac.v9i1.31579

Mikin Siman, Muhammed Abdulahi Shibdawa, Harami Malgwi Adamu, Zakaria Lakusha, Lungfa Collins Wuyep, Maxwell Gudam Talkat, Williams Nashuka Kaigama

{"title":"Assessment of heavy metals in soil mining areas of gwanaalkaleri lga bauchi state","authors":"Mikin Siman, Muhammed Abdulahi Shibdawa, Harami Malgwi Adamu, Zakaria Lakusha, Lungfa Collins Wuyep, Maxwell Gudam Talkat, Williams Nashuka Kaigama","doi":"10.14419/ijac.v9i1.31579","DOIUrl":"https://doi.org/10.14419/ijac.v9i1.31579","url":null,"abstract":"Analysis of soil were carried out on mining areas and adjourning farmlands around Gwana in Alkaleri Local Government Area of Bauchi State. The physico–chemical analysis conducted includes pH, electrical conductivity and moisture content which was accompanied by the geochemical characterization and quantification of the metal ions present in the soil. The pH of the soil was within the ranges from 5.6 ±0.01–6.7±0.01, electrical conductivity was within the ranges of 185–290mS/cm and percentage moisture content was within the ranges from 0.42–3.30. the geochemical characterization revealed the presences of chromium (11±0.02 mg/Kg), cobalt (0.1–2.1 mg/Kg), copper (21.9 ±0.01–92.5 ±0.01 mg/Kg), iron (48 ±0.01–174 ±0.01 mg/Kg), lead (7.9 ±0.01–215 ±0.01 mg/Kg), manganese (19.8– 164.8 mg/Kg), nickel (2.9 ±0.01–3.4 ±0.01 mg/Kg), silver (0.4 ±0.01–2.1±0.01 mg/Kg) and zinc (299 ±0.01–417 ±0.01mg/Kg). The concentration of metal ions of copper, lead and zinc in the soil samples collected from the study area revealed that they were excessively above their permissible limit set by the WHO, both in the areas of active mining operations and in the adjourning farmland. Hence the conclusion that the soils where contaminated as a result of the mining activities being carried out within the locality. Based on the high levels of these metal ions in the soils analyzed from the study area, it is hereby recommended that crop samples from within the catchment areas understudy should also be analyzed to evaluate their bioaccumulation coefficient, mobility index and their potential health risk index if any, that may arise from their being exposed to mining activity within the area. ","PeriodicalId":13723,"journal":{"name":"International Journal of Advanced Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91099224","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

Assessment of heavy metals bioaccumulation and health risk in crops grown in farmlands around mining sites in Gwana, Alkaleri lga, Bauchi state, Nigeria 尼日利亚包奇州Gwana、Alkaleri lga矿区周围农田种植的作物重金属生物积累和健康风险评估

International Journal of Advanced Chemistry Pub Date : 2021-06-01 DOI: 10.14419/ijac.v9i1.31547

Siman Mikin, Mohammed Abdullahi Shibdawa, Harami Malgwi Adamu

{"title":"Assessment of heavy metals bioaccumulation and health risk in crops grown in farmlands around mining sites in Gwana, Alkaleri lga, Bauchi state, Nigeria","authors":"Siman Mikin, Mohammed Abdullahi Shibdawa, Harami Malgwi Adamu","doi":"10.14419/ijac.v9i1.31547","DOIUrl":"https://doi.org/10.14419/ijac.v9i1.31547","url":null,"abstract":"Analysis was carried out on farm crops (Guinea corn, Millet and Beans) collected from adjourning farmlands around mining area of Gwana in Alkaleri Local Government Area, Bauchi State. Their heavy metal concentrations were determined and quantified using Atomic Absorption Spectroscopy (AAS). The heavy metal characterization revealed the presences copper, iron, lead, manganese, nickel and zinc in the farm crops. The mean values of the elements that where obtain for copper, iron, lead, manganese, nickel, silver and zinc by AAS are 33.90, 12.00, 71.43, 12.56, 4.40, 0.60 and 101.96 mg/kg, respectively. From the Analysis of variance (ANOVA) used to compare these levels of heavy metals in the crops, it showed that there was a significant difference in their concentration. Exposure assessment and risk characterization of the heavy metals present in the farm crops showed that the mean values of the bioaccumulation coefficient for the elements of copper, iron, lead, manganese, nickel, silver and zinc are1.24, 0.03, 1.68, 0.80,1.64, 0.89 and 1.21 respectively. The estimated daily intake rate for the elements of copper, iron, lead, manganese, nickel and zinc are 1.17 to 1.28 mg/kg, 0.03 to 0.04 mg/kg, 0.06 to 0.011 mg/kg, 1.39 to 1.96 mg/kg, 1.92 to 3.14 mg/kg and 1.18 to 1.26 mg/kg respectively. The hazard quotient for the elements of copper, iron, lead, manganese, nickel and zinc are 0.57–1.31, 0.01–0.02, 22.95–32.50, 0.07–0.12, 0.02–0.26 and 0.32–0.40 respectively. The carcinogenic risk for the elements of lead and nickel are 0.0003–0.0011 and 0.0006–0.0089 respectively. It is hereby recommended that the farm crop samples from within the catchment areas understudy should be subjected to clinical trials to evaluate the extent of the damage it can cause on body tissues. ","PeriodicalId":13723,"journal":{"name":"International Journal of Advanced Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77677375","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

Synthesis, characterization and antimicrobial evaluation of silver nanoparticles embedded alkyd resin derived from pine seed oil 松子油纳米银包埋醇酸树脂的合成、表征及抗菌性能评价

International Journal of Advanced Chemistry Pub Date : 2021-06-01 DOI: 10.14419/ijac.v9i1.31503

A. Magaji, H. Musa, F. A Sheshe, S. I Alhassan

{"title":"Synthesis, characterization and antimicrobial evaluation of silver nanoparticles embedded alkyd resin derived from pine seed oil","authors":"A. Magaji, H. Musa, F. A Sheshe, S. I Alhassan","doi":"10.14419/ijac.v9i1.31503","DOIUrl":"https://doi.org/10.14419/ijac.v9i1.31503","url":null,"abstract":"Silver nanoparticles were synthesized by reducing 0.1mmol silver Nitrate salt with 5ml of neem leaf extract, in an environmental friendly process. The nanoparticles were tested to have strong zones of inhibition on the antibacterial and antifungal isolates; E. Coli, staphylococcus aureus, Aspergillus fumigatus, and mucor species used. UV-visible spectrophotometric analysis was carried out on both the silver nitrate salt and silver nanoparticles, which show bathochromic shift from 221nm (AgNO3) to 440nm (AgNPs). Pine seed oil was condensed to alkyd resin via two step reactions; alcoholysis and esterification reactions respectively, and was characterized by FTIR, acid value and viscometric measurement. Antimicrobial evaluation was carried out on the pine seed oil with its alkyd resin. Pine alkyd resin was used in the formulation of paints with percentage Pigment Volume Concentrations (%PVC) 4 and 5% respectively, and is classified as automotive clearcoat. Chemical resistance, scratch resistance, light fastness, and drying schedule tests were conducted on the paints and are found to exhibit good properties which are similar to commercial paints. Antimicrobial evaluation of the paints incorporated with silver nanoparticles revealed more inhibition zones than those without silver nanoparticles. ","PeriodicalId":13723,"journal":{"name":"International Journal of Advanced Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83098362","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

Drinking water contamination by heavy metals in different cities of Pakistan 巴基斯坦不同城市的饮用水受到重金属污染

International Journal of Advanced Chemistry Pub Date : 2021-05-22 DOI: 10.14419/ijac.v9i1.31529

S. Hussain, Muhammad Amjad, H. Ambreen, Iqra Batool

引用次数: 0

Paper bacterial battery based on polymer as degradable sources of energy 纸细菌电池以聚合物为可降解能源

International Journal of Advanced Chemistry Pub Date : 2021-05-22 DOI: 10.14419/ijac.v9i1.31535

Azhar M. Haleem, Ruaa H Abass, Israa M Haleem

引用次数: 0

Effect of carbonization temperature on properties of char from coconut shell 炭化温度对椰壳炭性能的影响

International Journal of Advanced Chemistry Pub Date : 2021-04-14 DOI: 10.14419/ijac.v9i1.31433

U. F. Hassan, A. A. Sallau, E. O. Ekanem, A. Jauro, A. M. Kolo

引用次数: 2