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Computational studies of the folding patterns of small and medium-size polypeptides

Mokoena, Paul (2010)

This study involved a series of molecular dynamics (MD) simulations applied to case studies of small and medium-size polypeptides to assess the thermodynamics of their folding characteristics. Peptide folding is a complex ...
Correlation and prediction of the physical and excess properties of the ionic liquid 1-butyl-3-methylimidazolium methyl sulphate with several alcohols at T= (298.15 to 313.15) K

Singh, Sangeeta (2013-07-30)

The thermodynamic properties of binary liquid mixtures using an ionic liquid (IL) with alcohols were determined at different temperatures. The ionic liquid used was 1-butyl-3- methylimidazolium methylsulphate [BMIM]+[MeSO4]-. ...
Cycloaddition reactions of Azatrienes with Sulfene

Bisetty, Krishna; Singh, Parvesh (Scientific Researchhttp://dx.doi.org/10.4236/ijoc.2012.22019, 2012-04-23)

Unprecedented cycloaddition reactions of azatrienes (1) with sulfene leading to the synthesis of functionalized thiazine-dioxide derivatives (5) are described. The reactions were found be highly regioselective resulting ...
Cytotoxicity and gene expression of selected apoptotic markers in the human laryngeal carcinoma cell line (HEp-2) by Bulbine spp. fractions

Singh, Rishan (2013-07-30)

Apoptosis, or programmed cell death, is a process which is pivotal in eliminating damaged, infected, or unwanted cells from the body. It has been studied in numerous types of cell lines ranging from normal to infected ...
Densities and excess molar volume for the ternary systems (1-Butyl-3-methylimidazolium methyl sulphate + Nitromethane + Methanol or Ethanol or 1-Propanol) at T = (303.15 and 313.15) K

Bahadur, Indra; Deenadayalu, Nirmala (SA Epublicationshttp://www.journals.co.za/WebZ/FETCH?sessionid=01-48159-474903037&recno=2&resultset=1&format=F&next=images/ejour/chem/chem_v66_a31.pdf&bad=ej/ej_badfetch.html&, 2013)

The densities of the ternary systems containing the ionic liquid 1-butyl-3-methylimidazolium methyl sulphate ([BMIM]+[MeSO4]–) were determined. The ternary systems studied were ([BMIM]+[MeSO4]– + nitromethane + methanol ...
Densities, speeds of sound, and refractive indices for binary mixtures of 1-butyl-3-methylimidazolium methyl sulphate ionic liquid with alcohols at T = (298.15, 303.15, 308.15, and 313.15) K

Singh, Sangeeta; Aznar, Martin; Deenadayalu, Nirmala (Elsevierhttp://dx.doi.org/10.1016/j.jct.2012.08.030, 2012-09-24)

Experimental densities, speeds of sound, and refractive indices of the binary mixtures {1-butyl-3-methylimidazolium methylsulphate ([BMIM]+[MeSO4]−) + methanol, or 1-propanol, or 2-propanol, or 1-butanol} were measured ...
Density, speed of sound, and refractive index measurements for the binary systems (butanoic acid + propanoic acid, or 2-methyl-propanoic acid) at T = (293.15 to 313.15) K

Bahadur, Indra; Deenadayalu, Nirmala; Naidoo, Paramespri; Ramjugernath, Deresh (Elsevierhttp://www.sciencedirect.com/science/article/pii/S0021961412002972/pdfft?md5=a197b9c7a43c294a3c9c9d5380142c17&pid=1-s2.0-S0021961412002972-main.pdf, 2012-09-17)

Density, speed of sound, and refractive index for the binary systems (butanoic acid + propanoic acid, or 2-methyl-propanoic acid) were measured over the whole composition range and at T = (293.15, 298.15, 303.15, 308.15, ...
Derivatives of coumarins, cinnamic acid and tyramine from leaves of Limonia crenulata

Pitchai, P.; Ulagi, R.; Mohan, P. S.; Gengan, Robert Moonsamy (Pharmascopehttp://pharmascope.org/ijrpp/jdownloads/Volume%203/Issue%201/03-9-12.pdf, 2013)

The present research was designed to isolate the Coumarins, Cinnamic acid and Tyramine from Leaves of Limonia crenulata . N - benzoyl tyramine and 2,4 - dihydroxy - 3 - methoxy cinnamic acid were isolated for ...
Design and operation of a laboratory scale photobioreactor for the cultivation of microalgae

Bhola, Virthie (2011)

Due to greenhouse gas emissions from fossil fuel usage, the impending threat of global climate change has increased. The need for an alternative energy feedstock that is not in direct competition to food production has ...
Detection and quantification of nitrifying bacteria from South African biological nutrient removal plants

Ramdhani, Nishani (2013-07-30)

Nitrification is a crucial step in biological nutrient removal (BNR) processes, mostly carried out by a group of nitrifying bacteria which includes ammonia-oxidising bacteria (AOB) and nitrite-oxidising bacteria (NOB). ...
Detection methods of organic acid in steam/water circuits and optimisation using HPLC-UV

Ramrung, Arthi (2009)

This study was mainly a response to a challenge faced by ESKOM in its coal-fired power stations. In spite of using high purity water to drive the turbines, the latter were damaged by ‘pitting’, possibly related to acids ...
Determination of the heterotrophic and autotrophic active biomass during activated sludge respirometric batch assays using molecular techniques

Ismail, Arshad (2008)

Activated sludge models now in use worldwide for the design and operation of treatment systems use hypothetical concentrations of active organisms. In order to validate and calibrate model outputs, concentrations and ...
Determining the contribution of lunchbox content to the dietary intake of girls (13-18 years old) in a high school in Lindelani

Hlambelo, Nomakhosazana (2013-07-30)

There is lack of data on the dietary intake and patterns of Lindelani adolescents, which necessitates comprehensive nutritional assessment. Objectives: The objectives were to investigate the dietary intake and nutritional ...
Development of a starter culture for the production of Gari, a traditional African fermented food

Edward, Vinodh Aroon (2010)

Cassava, (Manihot esculenta Crantz), is used for the production of a variety of West African foods and ranks fourth in the list of major crops in developing countries after rice, wheat and maize. Gari is one of the most ...
Development of nutrition education material for caregivers of immune compromised children in children's homes in the Durban area

Grobbelaar, Hendrina Helena (2011)

Nutrition plays a fundamental role in the care and support of people living with the Human Immunodeficiency Virus (HIV) and children in particular are affected by HIV and the Acquired Immunodeficiency Syndrome (AIDS) ...
Dietary modulation of the human colonic microbiota through plant-derived prebiotic compounds

Kassim, Muhammad Arshad (2007)

The human gut microbiota play a major role in host health, and attempts are being made to manipulate the composition of the gut microbiota-increase the composition of bacterial groups, such as lactobacilli and bifidobacteria ...
Dithiocarbamates as hazardous remediation agent : a critical review on progress in environmental chemistry for inorganic species studies of 20th century

Kanchi, S.; Singh, Parvesh; Bisetty, Krishna (Saudi Chemical Society, 2014-01)

This article provides a critical review and a wide range of applications of dithiocarbamates (DTCs) in environmental samples. The characteristics of DTCs are reviewed with particular emphasis on inorganic speciation studies ...
Draft genome sequence of the rubber tree Hevea brasiliensis

Rahman, Ahmad Yamin; Usharraj, A. O.; Misra, B. B.; Thottathil, G. P.; Jayasekaran, K.; Feng, Y.; Hou, S.; Ong, S. Y.; Ng, F. L.; Lee, L. S.; Tan, H. S.; Sakaff, M. K. L. M.; Teh, B. S.; Khoo, B. F.; Badai, Siti Suriawati; Aziz, Nurohaida Ab; Yuryev, A.; Knudsen, B.; Dionne-Laporte, A.; Yu, Q.; Langston, B. J.; Freitas, A. K.; Young, A. G.; Chen, Rui; Wang, L.; Najimudin, N.; Saito, Jennifer A.; Alam, Maqsudul; Mchunu, Nokuthula Peace (BioMed Centralhttp://dx.doi.org/10.1186/1471-2164-14-75, 2013)

Background Hevea brasiliensis, a member of the Euphorbiaceae family, is the major commercial source of natural rubber (NR). NR is a latex polymer with high elasticity, flexibility, and resilience that has played a ...
The effect of thermal processing on fumonisin B1 (FB1) levels in maize-based foods

Odhav, Bharti; Mohanlall, Viresh; Mohanlall, Rakesh (Academic Journalshttp://www.academicjournals.org/AJFS/PDF/Pdf2013/Mar/Mohanlall%20et%20al.pdf, 2013-03-15)

Fumonisin B1 (FB1) is a mycotoxin from Fusarium verticillioides that is frequently associated with maize. Fumonisins have been implicated as the causal agents of a variety of animal diseases and are epidemiologically ...
Elucidation of the microbial community structure within a laboratory scale activated sludge process using molecular techniques

Padayachee, Pamela (2006)

The microbial community present in a laboratory-scale modified Ludzack-Ettinger activated sludge system was investigated using a combination of novel molecular techniques. The parent system was investigated for a duration ...

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