Chemical sciences topic list of research papers
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The effectiveness of CdSe nanoparticle suspension for developing latent fingermarks
Abstract Utilization of CdSe nanoparticle suspension for latent fingermarks on a multitude of non-porous and semi-porous surfaces has been demonstrated in this paper. Whether it is dark or light, the color of adhesives has no effect on the results...
2011 / Yuan Feng Wang, Rui Qin Yang, Zhi Xia Shi, Jian Jun Liu, Ke Zhao, et al. -
Treatment of Landfill Leachate in Membranes Bioreactor with Yeast (Saccharomyces Cerevisiae)2012 / G.C.B. Brito, M.C.S. Amaral, L.C. Lange, R.C.A. Pereira, V.L. Santos, et al.
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Fluorescence quenching of naphthols by Cu2+ in micelles
Abstract Effect of the micelles of anionic, cationic and non-ionic surfactants on the fluorescence quenching of 1- and 2-naphthols has been studied in the presence of copper ion. The excited state lifetime, dynamic and static quenching constants for ...
2010 / Manorama Panda, Kabir-Ud-Din -
Influence of storage conditions on the essential oil composition of Thymus daenensis Celak
Abstract The changes in the compositions of essential oils (EOs) from the aerial parts of Thymus daenensis were determined at different temperatures and storage times. The EOs of air-dried samples were obtained by hydrodistillation and analysed by...
2013 / Vahid Rowshan, Atefeh Bahmanzadegan, Mohammad Jamal Saharkhiz -
Rapid Detection of Trace Heavy Metals using Laser Breakdown Time-of-Flight Mass Spectrometry
Abstract It has been highly recognized heavy metals pollution concerns the environment, as well as human health. Mercury (Hg) pollution has greatly increased and been considered as a global pollutant because of its long residence time in...
2013 / Zhen Zhen Wang, Yoshihiro Deguchi, Jun Jie Yan, Ji Ping Liu -
Design of a gastroretentive mucoadhesive dosage form of furosemide for controlled release
Abstract The aim of the present study was to develop and characterize a gastroretentive dosage form suitable for controlled drug release. It consists of a drug loaded polymeric film made up of a bilayer of immediate (IR) and controlled release (CR)...
2012 / Sharad S. Darandale, Pradeep R. Vavia -
Preparation and characterization of κ-carrageenase immobilized onto magnetic iron oxide nanoparticles
Abstract Background Carboxyl-functionalized magnetic nanoparticles were synthesized via chemical co-precipitation method and modified with oleic acid which was oxidized by potassium permanganate, and κ-carrageenase from...
2015 / Anfeng Xiao, Caiyun Xu, Yan Lin, Hui Ni, Yanbing Zhu, et al. -
Degree of Branching in Hyperbranched Poly(glycerol-co-diacid)s Synthesized in Toluene2012 / Victor T. Wyatt, Gary D. Strahan
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Celiac disease in children with short stature: A hospital based study
Abstract Objective To identify the prevalence of celiac disease (CD) among children with short stature. Celiac disease (CD) is genetically determined gluten-sensitive enteropathy resulting in nutrient malabsorption, with an...
2013 / Nasir A.M. Al-Jurayyan, Abdulrahman M.H. Al Nemri, Abdullah N.A. Al Jurayyan, Asaad M.A. Assiri -
Biological properties and perspective applications of “Bio-neuter” chemicals?2013 / Abdelaziz Ghanemi
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Red onion extract (Allium cepa L.) supplementation improves redox balance in oxidatively stressed rats
Abstract Onions, consumed worldwide, are a good source of dietary phytochemicals with proven antioxidant properties. Catechin and quercetin are the most common and widely consumed flavonoids. The present study aimed to investigate the possible...
2013 / Nidhi Jaiswal, Dileep Kumar, Syed Ibrahim Rizvi -
Triptolide-loaded microemulsion-based hydrogels: physical properties and percutaneous permeability
Abstract Triptolide is a diterpenoid compound that inhibits the inflammation of rheumatoid arthritis (RA). However, the use of triptolide is limited due to its strong gastrointestinal toxicity. The purpose of this work was to develop a transdermal...
2013 / Lihua Chen, Xiaoting Zhao, Jia Cai, Yongmei Guan, Sen Wang, et al. -
Fatty acid methyl esters into nitriles: Acid–base properties for enhanced catalysts
Abstract Fatty nitriles have lately become of interest in the frame of biofuels or for the valorization of the oil part of biomass as fine chemicals such as polymers. The production of long-chain fatty nitriles by direct reaction of esters with...
2013 / A. Mekki-Berrada, S. Bennici, J.P. Gillet, J.L. Couturier, J.L. Dubois, et al. -
Cross-Aldol condensation of isobutyraldehyde and formaldehyde using phase transfer catalyst
Abstract The hydroxypivaldehyde (HPA) precursor intermediate for the synthesis of neopentyl glycol (NPG) is prepared by novel cross Aldol condensation of isobutyraldehyde and formaldehyde at 20°C using benzyltrimethylammonium hydroxide, a basic...
2013 / Azhar Hashmi -
Spatio-temporal variation of organotin compounds in seawater and sediments from Cape Town harbour, South Africa using gas chromatography with flame photometric detector (GC-FPD)
Abstract The spatio-temporal variation of two organotin compounds (OTCs) of tributyltin and triphenyltin in the seawater and sediment of Cape Town harbour was investigated. The organotin compounds were determined by GC-FPD following prior extraction ...
2013 / Hussein K. Okoro, Olalekan S. Fatoki, Folahan A. Adekola, Bhekumusa J. Ximba, Reinette G. Snyman -
Thermal stability and structural characteristics of PTHF–Mmt organophile nanocomposite
Abstract Polymer nanocomposites represent a new class of material alternative to conventionally filled polymers. This new class of material is synthesized from a mixed polymeric matrix at a weak percentage with montmorillonites as inorganic charges. ...
2011 / Youcef Hattab, Nassira Benharrats -
Chemistry of ice: Migration of ions and gases by directional freezing of water
Abstract Redistribution of anions and cations creates an electrical imbalance in ice grown from electrolyte solutions. Movement of acidic and basic ions in cooling solutions can permanently change the pH of frozen and unfrozen parts of the system,...
2011 / Umer Shafique, Jamil Anwar, Munawar Ali Munawar, Waheed-uz Zaman, Rabia Rehman, et al. -
Synthetic, spectroscopic, magnetic and thermal aspects of drug based metal complexes derived from 1st row transition metal ions
Abstract A newly synthesized ligand, 5-((1H-indol-1-yl)methyl)quinolin-8-ol (L) was characterized by 1H NMR, 13C NMR, DEPT-135 and IR spectroscopic techniques. The synthesized metal complexes were characterized using elemental analyses, (infrared,...
2013 / Darshana A. Patel, Apoorva A. Patel, Hasmukh S. Patel -
Synthesis, characterization of low density polyhydroxy polyurethane foam and its application for separation and determination of gold in water and ores samples
Abstract In this work, a new type of sorbent (low density polyhydroxy polyurethane Foam, LPPF) was synthesis by using water hydrolysis of polyurethanediazonium chloride salt. LPPF was characterized using different tools e.g. elemental analysis,...
2013 / E.A. Moawed, M.F. El-Shahat -
The physicochemical properties, total phenolic, antioxidant activities, and phenolic profile of fermented olive cake
Abstract Fermentation of olive cake during 60days by evaluating the physicochemical properties, total phenolic, antioxidant activities and phenolic profile was investigated. The chemical composition showed that olive cake is rich in crude fiber and...
2012 / Mohammad N. Alhamad, Taha M. Rababah, Muhammad Al-u’datt, Khalil Ereifej, Ranya Esoh, et al.