Eurasian Chemical Communications最新文献_第2页

Computational study of substituent effect on the electronic properties of ferrocylidene acetophenones complexes 取代基对铁环二苯乙酮配合物电子性质影响的计算研究

Eurasian Chemical Communications Pub Date : 2019-09-01 DOI: 10.33945/sami/ecc.2019.5.1

M. Rahimi, S. Jamehbozorgi, H. Chermette, R. Ghiasi, M. Kalhor

引用次数: 2

NiFe2O4 coated sand as a nano-adsorbent for removal of Pb (II) from aqueous solutions NiFe2O4包覆砂作为纳米吸附剂去除水溶液中的铅(II)

Eurasian Chemical Communications Pub Date : 2019-09-01 DOI: 10.33945/sami/ecc.2019.5.8

Ehsan Fereydoun Asl, Fatemeh S. Mohseni‐Shahri, F. Moeinpour

引用次数: 3

Green synthesis of silver nanoparticles using (Eryngium Campestre) leaf extract 绿色合成纳米银纳米粒子使用(山羊奶)叶提取物

Eurasian Chemical Communications Pub Date : 2019-09-01 DOI: 10.33945/sami/ecc.2019.5.4

M. Khodaie, N. Ghasemi, M. Ramezani

引用次数: 4

Simultaneous determination of dopamine and uric acid using a glassy carbon paste electrode modified with copper- para red complex 用铜-对红络合物修饰的玻碳糊电极同时测定多巴胺和尿酸

Eurasian Chemical Communications Pub Date : 2019-09-01 DOI: 10.33945/sami/ecc.2019.5.6

H. Shafiekhani, F. Mostaghni, N. Rad

引用次数: 2

Molecular docking and druggability studies of terpenoid-derived metabolites from marine sponges as IL-17A inhibitors 海洋海绵萜类代谢产物作为IL-17A抑制剂的分子对接及药物作用研究

Eurasian Chemical Communications Pub Date : 2019-09-01 DOI: 10.33945/sami/ecc.2019.5.2

Mostafa Khaledi, Hoda Ziyaee Qychan Atiq, N. Chamkouri, A. Mojaddami

引用次数: 3

Synthesis and anticancer evaluation of novel acenaphtho [1,2-e]-1,2,4- triazine derivatives 新型苊[1,2-e]-1,2,4-三嗪衍生物的合成及抗癌评价

Eurasian Chemical Communications Pub Date : 2019-09-01 DOI: 10.33945/sami/ecc.2019.5.5

Somayeh, Adibi, Sedeh, Mohammad, Kazem, Mohammadi, Masood, Fereidoonnezhad, A. Javid

引用次数: 0

Electrospun polystyrene nanofiber adsorbent for solid phase extraction of phenol as its quinoid derivative from aqueous solutions 静电纺聚苯乙烯纳米纤维固相萃取水溶液中酚类衍生物的吸附剂

Eurasian Chemical Communications Pub Date : 2019-09-01 DOI: 10.33945/sami/ecc.2019.5.7

S. Shariati, Elnaz Shahpanah, A. Bolouri, N. Hashemifard, F. Shariati

{"title":"Electrospun polystyrene nanofiber adsorbent for solid phase extraction of phenol as its quinoid derivative from aqueous solutions","authors":"S. Shariati, Elnaz Shahpanah, A. Bolouri, N. Hashemifard, F. Shariati","doi":"10.33945/sami/ecc.2019.5.7","DOIUrl":"https://doi.org/10.33945/sami/ecc.2019.5.7","url":null,"abstract":"In the present study, polystyrene nanofibers (PS NFs) were synthesized by electrospinning method and used as adsorbents in solid phase extraction of phenol from aqueous solutions. Phenol was reacted with 4-aminoantipyrine (4-AAP) reagent in presence of potassium hexacyanoferrate (III). The coloured product was extracted by solid phase extraction using electrospun synthesized polystyrene nanofibers and determined by UV-Vis spectrophotometer. At certain conditions of electrospinning process, the variables affecting the solid phase extraction efficiency were studied and optimized. Under the optimized conditions, (sorbent mass: 0.025 g PS NF, sample flow rate: 2.5 mL min−1, eluent: acetone: NaOH 0.1 M (1:1 v/v)), the linear dynamic range (LDR) and limit of detection (LOD as 3 Sb/m) for extraction of phenol from 50 mL of aqueous solutions were determined as 15-2500 µg L-1 and 10 µg L-1, respectively. The precision (as RSD %) of the extraction method using the proposed adsorbent was lower than 7.6%. Finally, the applicability of the proposed method for the extraction of phenol from industrial aqueous samples was examined and satisfactory results were obtained.","PeriodicalId":11871,"journal":{"name":"Eurasian Chemical Communications","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75223004","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

Selective trimethylsilylation of alcohols and phenols with hexamethyldisilazane catalyzed by LaCoO3 perovskite LaCoO3钙钛矿催化六甲基二矽氮烷选择性三甲基硅化醇和酚

Eurasian Chemical Communications Pub Date : 2019-09-01 DOI: 10.33945/sami/ecc.2019.5.3

E. Mehdipour, E. Baharlouei, Z. Zarnegar

引用次数: 1

An efficient facile and one-pot synthesis of 2-arylsubstituted benzimidazole derivatives using 1-methyl-3-(2-oxyethyl)-1H-imidazol-3-ium-borate sulfonic acid as a recyclable and highly efficient ionic liquid catalyst at green condition 以1-甲基-3-(2-氧乙基)- 1h -咪唑-3-硼酸盐磺酸为可回收高效离子液体催化剂，在绿色条件下快速一锅合成2-芳基取代苯并咪唑衍生物

Eurasian Chemical Communications Pub Date : 2019-03-01 DOI: 10.33945/sami/ecc.2019.2.7

S. Sajjadifar, I. Amini, H. Jabbari, Omidali Pouralimardan, M. Fekri, K. Pal

{"title":"An efficient facile and one-pot synthesis of 2-arylsubstituted benzimidazole derivatives using 1-methyl-3-(2-oxyethyl)-1H-imidazol-3-ium-borate sulfonic acid as a recyclable and highly efficient ionic liquid catalyst at green condition","authors":"S. Sajjadifar, I. Amini, H. Jabbari, Omidali Pouralimardan, M. Fekri, K. Pal","doi":"10.33945/sami/ecc.2019.2.7","DOIUrl":"https://doi.org/10.33945/sami/ecc.2019.2.7","url":null,"abstract":"1-Methyl-3-(2-oxyethyl)-1H-Imidazol-3-ium-Borate Sulfonic Acid ([MOEI]-BSA) was easily prepared and used as a new and highly efficient solid acid catalyst for the synthesis of benzimidazole derivatives with high isolated yields. Various substituted benzimidazoles were synthesized by a combination of o-phenylenediamines and aldehydes in the presence of [MOEI]-BSA with excellent yields in water and under a mild and green reaction conditions. This method is also applicable for precursors such as aromatic and unsaturated aldehydes and o-phenylenediamines. Addition of organic part to BSA and synthesis of [MOEI]-BSA as a new Bronsted acidic ionic liquid (BAIL) improved the efficiency of this catalyst. 1-Methyl-3-(2-oxyethyl)-1H-Imidazol-3-ium-Borate Sulfonic Acid ([MOEI]-BSA) was easily prepared and used as a new and highly efficient solid acid catalyst for the synthesis of benzimidazole derivatives with high isolated yields. Various substituted benzimidazoles were synthesized by a combination of o-phenylenediamines and aldehydes in the presence of [MOEI]-BSA with excellent yields in water and under a mild and green reaction conditions. This method is also applicable for precursors such as aromatic and unsaturated aldehydes and o-phenylenediamines. Addition of organic part to BSA and synthesis of [MOEI]-BSA as a new Bronsted acidic ionic liquid (BAIL) improved the efficiency of this catalyst.","PeriodicalId":11871,"journal":{"name":"Eurasian Chemical Communications","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88777434","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

Intravenous promethazine vs. diazepam to reduce symptoms of peripheral vertigo in emergency section: a double blind clinical trial 静脉注射异丙嗪与地西泮减轻急诊部周围性眩晕症状的双盲临床试验

Eurasian Chemical Communications Pub Date : 2019-01-01 DOI: 10.33945/sami/ecc.2019.6.2

S. Hayati, R. Yazdani, S. Fallahi, Zivar Atashbar, Seyed, Ashkan Tabibzadeh Dezfuli

{"title":"Intravenous promethazine vs. diazepam to reduce symptoms of peripheral vertigo in emergency section: a double blind clinical trial","authors":"S. Hayati, R. Yazdani, S. Fallahi, Zivar Atashbar, Seyed, Ashkan Tabibzadeh Dezfuli","doi":"10.33945/sami/ecc.2019.6.2","DOIUrl":"https://doi.org/10.33945/sami/ecc.2019.6.2","url":null,"abstract":"The present research aimed at comparing the effectiveness of promethazine and diazepam in patients suffering from acute peripheral vertigo. This is a double blind clinical trial with a sample of 154 patients visiting the emergency section of Shahid Mohammadi Hospital in Bandar Abbas in 2017-18. The participants were randomly divided into two groups of 77, one treated with intravenous promethazine (50 mg) and the other with intravenous Diazepam (10 mg). The severity of vertigo was measured qualitatively and quantitatively 20 minutes later in both groups. Participants were 46 (29.9%) male and 108 (70.1%) female visiting the emergency section of hospital. The mean score of vertigo severity in Promethazine group was 44.44±17.94 and that of Diazepam group was 2.49±+3.87. The severity scores before and after the treatment in promethazine group were respectively 7.75±1.59 and 2.72±1.93. The mean scores of vertigo severity before and after the treatment in promethazine group was -5.04+2.10 and in the diazepam group it was -3.83+3.09. The intergroup difference was statistically significant (p=.013). The results revealed that intravenous promethazine and diazepam applied 20 minutes after prescription are both effective in controlling the severity of vertigo. Considering the probability of occurrence of extrapyramidal side-effects it can be suggested that the infusion of this medication can be done slowly as it takes longer time. Meanwhile, vital signs should be precisely controlled.","PeriodicalId":11871,"journal":{"name":"Eurasian Chemical Communications","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83716317","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