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Momordicacharantia L. belongs to the family Cucurbitaceae. This plant has widely been reported for use in traditional medical systems for the treatment of diabetes, rheumatism, intestinal gas and malaria. The ethnicity of M. charantiais Asia, Africa and some parts of Europe where it is considered edible. Sewage sludge, a by-product of waste water treatment plant, contains several nutrients. These nutrients are known as beneficial for the better growth and good yield of the plants. The objective of this study is to optimize soil with different ratios of sewage sludge for increased growth of bio..read more
Zohaib Saeed, Ikram Ahmad, Shahid Iqbal, Umer Younas, Muhammad Pervaiz, Rana Rashad Mahmood Khan, Shahzad Sharif, Abdullah M. Asiri, Sher Bahadar Khan and Tahseen Kamal
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 386
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Coal fly ash (CFA) waste is one of the anthropogenic materials having detrimental impact as particulate and leachate contaminant. Dumping of such solid waste into landfills and other improper waste management conduct can be lethal for environment. In this work CFA waste was attempted to modify into zeolites using ultrasonic assisted hydrothermal and conventional heating approaches. The conventional and ultrasonic assisted synthesized zeolites showed entirely different cation exchange capacity (CEC) and morphology. However, FTIR and XRD patterns of zeolites synthesized by both of techniques wer..read more
Tabassum Hussain, Abdullah Ijaz Hussain, Shahzad Ali Shahid Chatha,
Nosheen Aslam, Tanveer Hussain Bokhari and Muhammad Asrar
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 393
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Demand to lithium rising swiftly as increasing due to its rapidly increasing dosages diverse applications such as rechargeable batteries, light aircraft alloys, and nuclear fusion. Lithium demand is expected to triple by 2025 driven by battery applications, specifically electric vehicles. To ensure the growing consumption of lithium, it is necessary to increase the production of lithium from different resources. Natural lithium resources mainly associate within granite pegmatite type deposit (spodumene and petalite ores), salt lake brines, seawater, and geothermal water. Among them, the reserv..read more
Murodjon Samadiy and Tianlong Deng
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 406
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The current study is devoted to suggest new simple spectrophotometric probes for the estimation and quantification of cefditoren pivoxil (CFP) either in authentic or in commercial samples. Three simple kinetic and derivatize sensitive spectrophotometric methods were established. Two kinetic techniques (method A) and (method B) were based on the estimation of CFP using the oxidation properties of alkaline potassium permanganate at ambient temperature and the relation between the reduction in the absorbance of KMnO4 and the added CFP were also investigated. The intensity of absorbance (A) of the..read more
Salma Ali Al-Tamimi, Norah Sultan Abdulaziz Al-Motlaq and Fatma Ahmed Aly
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 417
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Structure and stability of an eventual inclusion complex formed by Lidocaine and two cyclodextrins (α- and β-CD) were investigated using molecular mechanics and quantum-chemical methods in the gas phase and in water. The molecular docking and quantum chemical calculations results show that no inclusion complex is formed between α-CD and Lidocaine molecule, while the conformational research allowed observing two minimum-energy structures between this molecule and β-CD. From a potential energy scan, a partial inclusion of the two ends of Lidocaine by the secondary face of the cavity of β-CD is o..read more
Nourredine Meddah-Araibi, Teffaha Fergoug, Mansour Azayez, Cherifa Zelmat, Jendara Ali Cherif and Youcef Bouhadda
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 429
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In current study, the diphenylaminomethylcalix[4]arene (3) was synthesized and immobilized onto silica surface to prepare a selective, regenerable and stable resin-4. The synthesized resin-4 has been characterized by FT-IR spectroscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy (EDX) and Brunauer-Emmett-Teller (BET) techniques. To check the adsorption capacity of resin-4, the batch and column adsorption methodology were applied and it has observed that the resin-4 was selectively removed Hg2+ ions under the optimized parameters. The maximum adsorption capacity was obt..read more
Nida Shams Jalbani, Amber R Solangi, Shahabuddin Memon, Ranjhan Junejo, Asif Ali Bhatti
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 436
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In this study, the new sulphite sensitive ion-selective electrode (ISE) was prepared. The ISE was prepared from a combination of 5% perfluorooctanesulfonic acid (PFOS), 40% PVC and 55% dibutylphthalate (DBF).The sensitivity of the ISE to 1.0x10- 7-1.0x10-1 M sulphite concentration was 58 ± 4 mV. Electrode sensitivity was characterized. The response time of this electrode is short and 30 s. The lifetime of ISE was approximately 210 days when used five times a day. It was determined that it can work at any pH value. It is not sensitive to anions and cations that may be present in the determinati..read more
Sukru Kalayci
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 451
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In this study, periodic acid-functionalized magnetic support (Fe3O4@TiO2-H5IO6) as a new, benign and recyclable nanocatalyst was prepared by anchoring / periodic acid onto TiO2-coated nano-Fe3O4. This catalyst was applied to achieve a high-efficiency, low-cost and eco-friendly approach for synthesizing 4-substituted-1,5-benzodiazepines with the multicomponent reactions of aromatic aldehydes, o-phenylenediamine, and dimedone. The / periodic acid group on Fe3O4@TiO2 possesses both Lewis and Brønsted acidity, which is responsible for the high catalyst activity. The obtained results show that the ..read more
Fatemeh Ahmadzadeh, Bahador Karami, Mahnaz Farahi and Jamileh Etemad
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 456
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News series of substituted quinazoline derivatives has been synthesized from 3,4-dihydro-7-methoxy-4-oxoquinazoline-6-yl acetate (1) by five-step procedures including chlorination, amination, hydrolysis and etherification. The structures of target compounds were confirmed by IR, 1H-NMR, element analysis and single-crystal X-ray diffraction. The results showed that the compound 8c exhibited remarkable inhibitory activity against MCF-7 cell lines with inhibition rate value of 38.45 %, which was comparable to that of the positive control Gefitinib (inhibition rate = 13.25 % for MCF-7). The initia..read more
Bo Wang, Zhi-qiang Cai, Xiao-yu Shi, Xiang Li, Shuai Li, and Ji-xin Li
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 466
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In this research work Semicarbazide, thiosemicarbazide derivatives 3 to 25 were synthesized by conventional methods with high percentage yield and reaction rate. 1H-NMR and EIMS spectroscopic techniques were used to elucidate the structure of the synthesized compounds. The effect of thiosemicarbazide and semicarbazide derivatives as an antioxidant agents were studied by DPPH free radical scavenging, ferric ion reducing, ferrous ion chelating assays. Higher DDPH radical scavenging activity exhibited by most of the compounds as compared to standard vitamin C. Excellent ferric ion reducing activi..read more
Abdul Manaf, Momin Khan, Khair Zaman, Mahboob Ali, Faima Alam, Khalid Mohammed Khan and Basharat Ali
- 16 Aug 2021
- Volume Detail: VOLUME 43, NO4, AUG-2021
- Pages: 475
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