Journal of
Toxicology and Environmental Health Sciences

  • Abbreviation: J. Toxicol. Environ. Health Sci.
  • Language: English
  • ISSN: 2006-9820
  • DOI: 10.5897/JTEHS
  • Start Year: 2009
  • Published Articles: 197

JTEHS Articles

December 2012

Cytotoxicity and genotoxicity of some agropesticides used in Southern Africa

Pesticides use boosts agricultural yield by reducing crop losses. However, some pesticides are mutagens and active ingredients could produce different effects in different formulations. Wipe-out (WO) (Glyphosate 360 g/l), K-O Gard® (KOG) (Deltamethrin 10 g/l), Cutworm bait (CWB) (Sodium Fluosilicate, 100 g/kg), Snail ban (SB) (Metaldehyde, 30 g/kg and Carbaryl, 20 g/kg) and Coopex (CPX) (Permethrin 250...

Author(s): Asita, A. O. and Hatane, B. H

December 2012

Packaging type and their effects on the chemical and microbial quality of Sudanese white cheese (Gibna bayda)

The study was based on surveying ten samples of Sudanese white cheese packaged in two different containers (plastic and metal), collected from different supermarkets in Khartoum state. The comparison of chemical composition and microbial count was done. The experimental results showed that the average ash content, moisture, acidity, pH, and total solid content means were 7.00 ± 2.73, 45.00 ± 4.81, 0.85...

Author(s): Nazar Abdualaziz ElNasri, Samah Omer Sirag and Hassan Elsiddig Hag Elsafi

November 2012

Oil spills and community health: Implications for resource limited settings

Oil spillage has become of increased relevance in recent times because of the magnitude with which it occurs, the effects it has on the environment, and the quality of life of people residing in the affected areas. The World Health Organization (WHO) has drawn the attention of many member states to the burden of non-communicable diseases on the limited resources available to health. Much emphasis has been placed on...

Author(s): Albert SALAKO, Oluwafolahan SHOLEYE and Sunkanmi AYANKOYA

November 2012

Acute haematological response of a cichlid fish Sarotherodon melanotheron exposed to crude oil

The acute haematological response of a brackish water cichlid fish Sarotherodon melanotheronexposed to crude oil was evaluated. They were exposed for 96 h to crude oil concentrations of 0, 50, 125, 250, 375, and 500 mg/L of water obtained from the fish source. Haematological analyses were carried out at 12, 24, 48, 72, and 96 h, respectively. Haematological analysis revealed that the red blood cells (RBC),...

Author(s): Obemeata Oriakpono, Hart Aduabobo and Ekanem Wokoma

November 2012

Toxic effects of heavy metals (cadmium plus mercury) on haematological parameters and DNA damage in Lates calcarifer

The present study was carried out to evaluate the effects of toxic metals (cadmium plus mercury) on the haematology and DNA damage of fish, Lates calcarifer for every 24 h up to 96 h. A significant gradual decrease of haemoglobin (-35.01 to -24.11) and hematocrit (-35.01 to -31.78) was noted at acute concentration of cadmium plus mercury (3.0 ppm) as compared to that of control. The comet assay...

Author(s): D. Senthamilselvan, A. Chezhian, E. Suresh and R. Ezhilmathy

October 2012

Genotoxic damage in oral epithelial cells induced by fluoride in drinking-water on students of Tula de Allende, Hidalgo, Mexico

Fluoride (F-) compounds are present on the earth’s surface, water, volcanoes and are also a product of petrochemical and cement industries. Little amounts of F- are required for the formation of bones and enamel, however, according to World Health Organization (WHO), ingestion of over 1.5 mg/L of F- may be a health hazard due to the toxic effects on the kidney, liver and it may also cause dental or...


October 2012

Phytochemical screening chemical composition and toxicity of Euphorbia regis-jubae (Webb & Berth)

Plant-derived substances have recently become of great interest owing to their versatile applications. According to Ncube et al. (2008) medicinal plants are the richest bio-resource of drugs of traditional systems of medicine, modern medicines, nutraceuticals, food supplements, folk medicines, pharmaceutical intermediates, and chemical entities for synthetic drugs. Therefore, Euphorbia regis-jubae (Webb &...

Author(s): Fouzia HMIMID, Fatima Azzahra LAHLOU, Mohammed LOUTFI and Noureddine BOURHIM

October 2012

Public health risks associated with apples and carrots sold in major markets in Osogbo, Southwest Nigeria

This study investigated the public health risks associated with the consumption of carrots and apples sold in major markets in Osogbo metropolis, Osun State Nigeria. Hundred samples of the fruits (49 apples and 51 carrots) were obtained from  five randomly selected  spots in the four major markets, namely, Igbonna, Oke-fia, Alekuwodo, and Orisumbare in Osogbo metropolis. The samples were screened for microbial...

Author(s): M. A. Adeleke, A. O. Hassan, T. T. Ayepola, T. M. Famodimu, W. O. Adebimpe and G. O. Olatunde

August 2012

A prospective clinical study of myocarditis in cases of paraphenylenediamine (hair dye) poisoning in Northern India

Myocarditis is unheard of and unreported albeit dangerous complication of ingestion of hair dyes containing paraphenylenediamine. Hence, a prospective study was planned to assess the myocardial damage with regard to clinical profile and outcome with different treatment approaches in patients with oral ingestion of hair dye so that a treatment protocol could be established for this under recognized complication. This...

Author(s): JAIN P. K., SHARMA Awadhesh Kumar, AGARWAL Navnit, SENGAR N. S.,SIDDIQUI Mohd Zaki, SINGH Anurag Kumar and GABA Ripudaman

August 2012

Acute and subacute toxicity of aqueous extract of leaves mixture of Aloe buettneri (Liliaceae), Dicliptera verticillata (Acanthaceae), Hibiscus macranthus (Malvaceae) and Justicia insularis (Acanthaceae) on Swiss mice and albinos Wistar female rats

Aloe buettneri (Liliaceae), Justicia insularis (Acanthaceae), Hibiscus macranthus (Malvaceae) and Dicliptera verticillata (Acanthaceae) (ADHJ) are medicinal plants generally found in tropical and subtropical areas. The leaf mixture of these plants is used in the Western Region of Cameroon to increase fertility, regularize the menstrual cycle and to treat dysmenorrhoea or cases of...

Author(s): Pone K. B., Telefo, P. B., Gouado, I. and Tchouanguep, F. M.

June 2012

Indicators for assessing progress made towards improving environmental health

This paper presents some process indicators that would be indicative of noteworthy genuine efforts and progress made by third developing countries in improving their environmental health. There is a coordinated international effort to call upon governments, UN agencies and the private sector, to protect children from environmental threat. Indicators give countries a credible and useful way to assess the status of...

Author(s): Rajan R. PATIL and M. BAGAVANDAS

June 2012

Evaluation of polycyclic aromatic hydrocarbons (PAHs) content in foods sold in Abobo market, Abidjan, Côte d’Ivoire

This work was aimed to record the concentrations of eight polycyclic aromatic hydrocarbons (PAHs): (benzo[a]anthracene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, dibenzo[a,h]anthracene, indeno[1,2,3-c,d]pyrene, benzo[g,h,i]perylene and chrysene) in meats and fishes sold in Abobo market in Abidjan, Côte d’Ivoire. The amount of PAHs present in each sample was quantified...

Author(s): Pierre MANDA, Djédjé Sébastien DANO, Ehouan Stephane-Joel EHILE, Mathias KOFFI, Ngeussan AMANI and Yolande Aké ASSI

May 2012

Developmental methylmercury exposure affects avoidance learning outcomes in adult zebrafish

The present study investigated the neurobehavioral effects of embryonic exposure to methylmercury (MeHg) in zebrafish using avoidance conditioning as the behavioral paradigm. In this study, adult zebrafish developmentally exposed as embryos to 0.00, 0.01, 0.03, 0.1, or 0.3 µM of MeHg were trained and tested for avoidance responses. The results showed that control zebrafish hatched from embryos unexposed...

Author(s): Xiaojuan Xu, Crystal Lamb, Melanie Smith, Lillian Schaefer, Michael J. Carvan III, and Daniel N. Weber

May 2012

Heavy metal contamination risk through consumption of traditional food plants growing around Bindura town, Zimbabwe

Mining activities are a leading cause of heavy metal contamination of soils and food plants leading to health risk fears. The concentration of heavy metals in soils, Bidens pilosa and Fadogia ancylantha in the vicinity of Bindura town were investigated. Results show that heavy metal concentration of soils and plants found around Bindura town was higher than that of the control area where there were...

Author(s): P. Dzomba, S. Nyoni and N. Mudavanhu

April 2012

In vitro antioxidant activities and inhibitory effects of aqueous extracts of unripe plantain pulp (Musa paradisiaca) on enzymes linked with type 2 diabetes and hypertension

The dried plantain pulps were crushed and milled into flour (Raw flour), while a portion of its flour was reconstituted in boiling water to form a thick paste known locally in Western Nigeria as ‘amala’. This was dried and milled into ‘Amala’ flour. The aqueous extracts of raw and ‘amala’ flour were prepared (1 g/20 mL). The phenolic contents, vitamin C and antioxidant properties...

Author(s): Sidiqat A.Shodehinde and Ganiyu Oboh

April 2012

Paraphenylenediamine induces apoptosis of Murine myeloma cells in a reactive oxygen species dependant mechanism

Paraphenylenediamine (p-PD) is the main aromatic amine used in the formulation of hair dyes. Epidemiologic studies have suggested that the use of p-PD based hair dyes might be related to increase risk of human malignant tumors including multiple myeloma and hematopoietic cancers. However, the toxicity of p-PD on myeloma cells has not been well elucidated yet. Therefore, the association between the cytotoxicity of p-PD...

Author(s): Zineb Elyoussoufi, Norddine Habti, Said  Motaouakkil, and Rachida Cadi

March 2012

Assessment of antioxidant capacity, proximate composition and inhibitory activity of unripe plantain (Musa paradisiaca) products on Fe2+ and sodium nitroprusside -induced oxidative stress in vitro

This study sought to assess the proximate composition, antioxidant and inhibitory effect of unripe false horn plantain (Musa paradisiaca) products on Fe2+ and sodium nitroprusside (SNP) induced lipid peroxidation in rat’s pancreas. The EC50 of Fe2+ chelating, 2,2-diphenyl-1picrylhydrazyl (DPPH) and OH free radical scavenging ability were also determined. A portion of the unripe false horn plantain...

Author(s): Sidiqat Adamson Shodehinde and Ganiyu Oboh

March 2012

Occupational health hazards of fabric bag filter workers' exposure to coal fly ash

The objective of the study was to assess employees’ exposure to coal fly ash dust during the replacement of fabric bag filters in bag houses at a power station. Personal and environmental sampling were conducted on a random sample of workers. Samples that were in excess of occupational exposure limits (OEL) for respirable fly ash were analysed for toxic metals. Physical observations and a questionnaire were used...

Author(s): Jacobus Engelbrecht, Phanuel Tau and Charles Hongoro,

February 2012

Characteristic levels of heavy metals in canned tuna fish

Concentrations of metals (aluminium, cadmium, lead and mercury) were determined from canned tuna commercialized in Canada and India, by inductively coupled plasma - optical emission spectrometer (ICP-OES) and direct mercury analyzer (DMA 80). Higher concentration of Al (1.806 to 3.161 µg/g) and Hg (0.60 to 0.62 µg/g) were found in tuna processed from India. Cd and Pb ranged from 0.020 to 0.025 and 0.011 to...

Author(s): Mani Mahalakshmi, Srinivasan Balakrishnan, Kalyanasundram Indira and Muthukumarasamy Srinivasan  

January 2012

Nanotechnology: Safety paradigms

The versatile utilization of nanotechnology in a variety of products used in different spheres of daily life has made it quite popular. This is attributed due to the enhanced surface related properties of the nanoparticles. But these enhanced properties also make nanoparticles, biologically more active leading to unexpected and unanticipated consequences on interaction with biological systems which may be deleterious to...

Author(s): Ishan Das Rastogi,

January 2012

Mycotoxins in animals: Occurrence, effects, prevention and management

Globalization of the trade in agricultural commodities has contributed significantly to the discussion about potential hazards involved and has increased in particular the awareness of mycotoxins. Safety awareness in food and feed production has also risen due to the simple fact that methods for testing residues and undesirable substances have become noticeably more sophisticated and more available at all points of the...

Author(s): Manal M. Zaki, S. A. El-Midany, H. M. Shaheen and Laura Rizzi

January 2012

Biochemical aspects and formation of phenolic compounds by coir pith degraded by Pleurotus sajor caju

Coir pith is a byproduct of fibre extraction from coconut husk. Coir pith has been produced in large quantities and is dumped as waste as its bulk at the production site itself and disposal efforts are in vain owing to the quantity. Several biological, biochemical and microbial methods have been tried and are underway to degrade the coir pith into useful product. A basidiomycete fungus viz.  Pleurotus...

Author(s): Abesh Reghuvaran and Anita Das Ravindranath

December 2011

Hot spot biomonitoring of marine pollution effects using cholinergic and immunity biomarkers of tropical green mussel (Perna viridis) of the Indonesian waters

Selected biomakers, Cholinesterase (ChE) and phagocytic activities have been investigated with the exposed green mussel Perna viridis in Indonesian coastal waters. An operative effect-based monitoring on two polluted sites and one reference area were investigated for aquaculture enterprises and human health aspects. Between two heavily polluted sites, green mussels from Cilincing indicated a lower level of the...

Author(s): Khusnul Yaqin, Bibiana Widiati Lay, Etty Riani, Zainal Alim Masud and Peter-Diedrich Hansen

  • Article Number: 2A9A2B43617

December 2011

Attenuation of t-Butylhydroperoxide induced oxidative stress in HEK 293 WT cells by tea catechins and anthocyanins

The health promoting properties of catechins and anthocyanins have been of great interest to researchers in the recent past due to their significant in vitro and in vivo antioxidant activities. Most research on anthocyanins has been based on berry anthocyanins. These potentially health enhancing pigments are also found in some Kenyan tea cultivars. An in vitro study was carried out to...

Author(s): Kerio L. C., Bend J. R., Wachira F. N., , Wanyoko, J. K. and Rotich M. K.

  • Article Number: 15DABC43629

December 2011

Bioremediation of diesel-contaminated soil using Bacillus sp. (strain TMY-2) in soil by uniform and non-uniform electro kinetic technology field

Selected biomakers, Cholinesterase (ChE) and phagocytic activities have been investigated with the exposed green mussel Perna viridis in Indonesian coastal waters. An operative effect-based monitoring on two polluted sites and one reference area were investigated for aquaculture enterprises and human health aspects. Between two heavily polluted sites, green mussels from Cilincing indicated a lower level of the...

Author(s): A. Khodadadi, D. Yousefi, H. Ganjidoust and M. Yari

  • Article Number: 61DAC793690

December 2011

Occurrence and health implications of high concentrations of Cadmium and Arsenic in drinking water sources in selected towns of Ogun State, South West, Nigeria

Selected biomakers, Cholinesterase (ChE) and phagocytic activities have been investigated with the exposed green mussel Perna viridis in Indonesian coastal waters. An operative effect-based monitoring on two polluted sites and one reference area were investigated for aquaculture enterprises and human health aspects. Between two heavily polluted sites, green mussels from Cilincing indicated a lower level of the...

Author(s): Abolanle Azeez A. Kayode, Joshua Olajiire Babayemi, Esther Omugha Abam and Omowumi Titilola Kayode

  • Article Number: E86A0683734

November 2011

Methylene-tetrahydrofolate reductase (MTHFR) gene polymorphisms and bladder cancer susceptibility: A meta-analysis that includes race, smoking status and tumor stage

Epidemiological studies have investigated that functional polymorphisms in methylene-tetrahydrofolate reductase (MTHFR) gene may play an essential role in bladder carcinogenesis, but the several published studies have reported inconclusive results. The objective of the current study is to conduct an update analysis investigating the association between polymorphisms in MTHFR gene and the risk of bladder cancer. We...

Author(s): Kamel Rouissi, Sami Khedhiri , Soumaya Kouidhi, Slah Ouerhani, Mohamed Cherif, and Amel Benammar-Elgaaied

  • Article Number: 8E726B13541

November 2011

Elucidate the origin of CYP flexible structural variation using molecular dynamics calculation

Human cytochrome P450 1A2 (CYP1A2) plays a critical role in the mechanism of drug metabolism the understanding of which constitutes a cornerstone in drug design processes. Its relevance has furthered in view of recent trends in tailor made medicine, since the enzyme's activity differs according to the mutations orsingle nucleotide polymorphisms (SNP's) in the respective genetic coding region. Here...

Author(s): Mohamed Ismael and Carlos A. Del Carpio

  • Article Number: A1313EF3551

November 2011

Microbiological assessment and some physico-chemical properties of water sources in Akungba-Akoko, Nigeria

A comparative study was carried out to determine the quality of three water sources: borehole, well and stream in Akungba-Akoko, Ondo State. The water sources were assessed for microbiological quality and physico-chemical properties (temperature, odor, color and pH). The stream had the highest plate count of 40 × 105 cfu/ml, while those of borehole and well water had the least of 12 × 105 cfu/ml...

Author(s): A. O. Ajayi and T. O. Adejumo

  • Article Number: 00C6D9F3568

November 2011

Ribosomal protein S3 gene expression of Chironomus riparius under cadmium, copper and lead stress

Heavy metals are of interest because they are often present at significant levels in the environment and can have severe effects on the aquatic environment. To examine the effects of oxidative stress induced by heavy metals on chironomids, the full-length cDNA of ribosomal protein S3 (RpS3) from Chironomus riparius was determined using molecular cloning. The basal expression of the RpS3 gene was not affected...

Author(s): Kiyun Park and Inn-Sil Kwak

  • Article Number: 892C6D73588

October 2011

Lipase production by strains of Aspergillus species isolated from contaminated body creams

Aspergillus species isolated from contaminated body creams were screened for their ability to produce extracellular lipase. Of the 6 strains tested two, identified as Aspergillus niger AC-5 and AC-7 and one strain ofAspergillus fumigatus. AF-3 were capable of producing extracellular lipase in appreciable amounts. A. nigerAC-5 was the highest lipase producer, followed by A. fumigatus AF-3,...

Author(s): Brooks A. A. and Asamudo N. U.

  • Article Number: F77584C3519

October 2011

Assessment of sorghum beer for alcohol and metal ions content and genotoxicity in mice bone marrow

National well-being, life expectancy (LE), water quality, alcohol consumption etc, have been shown to be interrelated. In Lesotho, with LE below world average, one widely consumed beverage is a locally brewed sorghum beer, sesotho. Therefore, beers from four different sources were analyzed for metals, alcohols (mg/L) and mice bone marrow genotoxicity. The beers contained different (p<0.05)...

Author(s): Asita A. O., Tanor E. B., Magama S. and Khoabane N. M.

  • Article Number: 08B56FC3525

September 2011

Iron and nitric oxide play key roles in the development of cardiovascular disorder

Iron (Fe) is an essential but potentially harmful nutrient. On the other hand, nitric oxide (NO) is an inorganic free-radical gaseous molecule which has been implicated to play an unprecedented variety of roles in biological systems. Although complex relationships between Fe and NO have been demonstrated, there are still controversies as to what are the influences of Fe on NO balance in the development of cardiovascular...

Author(s): Adeyemi O. S. and Akanji M. A.

  • Article Number: C4738013401

September 2011

Hydrogeochemistry of subsurface water around waste disposal sites in Hyderabad city, India: Geogenic and anthropogenic consequence

Geochemical study of groundwater around major dumpsites in Hyderabad city India, this study was carried out to evaluate the groundwater quality. Approximately 4,000 tons of solid wastes are dumped in low-lying areas as landfills on daily basis affecting groundwater quality. The samples were collected from sixty location points in/around dumpsites and were precisely analysed for physicochemical characters by standard...

Author(s): Vandana Parth, N. N. Murthy and Praveen Raj Saxena

  • Article Number: 2AF149F3418

September 2011

Prevalence of alcohol in autopsied medico-legal cases at the National Institute of Forensic Medicine, Jordan

It is well established that drinking alcohol increases the risk of fatal injuries. The presence of blood alcohol in autopsied deaths is regularly encountered in medico-legal practices. The aim of this study is to investigate the prevalence and concentration of alcohol in 1731 medico-legal autopsies that were conducted in the National Institute of Forensic Medicine (NIFM), Jordan from January 2007 to December...

Author(s): Etab, T. Kassasbeh, Emad, M. Abdallat and Mu’men, S. Hadidi

  • Article Number: F70BCEE3427

September 2011

Metal quantification in cattle: A case of cattle at slaughter at Ota Abattoir, Nigeria

In this study, cattle were assessed for the levels of metals in some organs. Six metals, Arsenic (As), Cadmium (Cd), Cobalt (Co), Chromium (Cr), Nickel (Ni) and Lead (Pb) were determined in twenty samples comprising four different parts (liver, kidney, muscle tissue and blood) from five cows at slaughter in a major abattoir in Ota, using flame atomic absorption spectrophotometer (S-series 712354v1.27), following...

Author(s): D. O. Nwude, J. O. Babayemi and I. O. Abhulimen

  • Article Number: C0CE7523435

September 2011

Degradation of antibiotics by bacteria and fungi from the aquatic environment

The potential of using bacteria and fungi from aquatic environment to degrade a mixture of two antibiotics, ciprofloxacin and erythromycin, was investigated. The antibiotics were added to river water at a concentration of 4 and 120 mg.L-1 for ciprofloxacin and erythromycin respectively. Three variations of the study unit were setup. The first having increased phosphate concentration; the second having slight...

Author(s): Frank-Peterside Nnenna, Peekate Lekiah and Oriakpono Obemeata

  • Article Number: 2E185C43462

September 2011

Adsorption of Rhodamine B dye from aqueous solution onto acid activated mango (Magnifera indica) leaf powder: Equilibrium, kinetic and thermodynamic studies

Acid activated mango leaf powder (MLP) was employed for removal of the rhodamine B (RB) dye from aqueous solution. Batch adsorption studies were carried out under varying conditions of dye concentration, adsorbent dose, particle size, contact time, pH, and temperature. Removal efficiency was 77% in 45 min with 6.0 pH, 25 g/L as dose, 250 mg/L RB concentration and 30°C temperature. The equilibrium data the best...

Author(s): Tabrez A. KHAN, Sangeeta SHARMA and Imran ALI

  • Article Number: B178AE13481

September 2011

Evaluation of socio-economic impact of arsenic contamination in Bangladesh

Groundwater arsenic contamination in Bangladesh is reported to be the biggest arsenic disaster in the world in terms of the affected population. Arsenic contamination in groundwater is recognized as the major threats to drinking water and is being the key environmental health problem of 21st century. In Bangladesh Arsenic was first detected in Chapai Nawabgonj, in 1993; since then higher levels of arsenic (exceeding the...

Author(s): A. A.  Masrur Ahmed, Md. Jahir Bin Alam, A. A. Mabrur Ahmed

  • Article Number: 6BA27C93491

September 2011

Laboratory outbreak investigation of sudden death syndrome in broiler chicken in Kathmandu Valley, Nepal

The incidence of death of broiler birds above 40 days suddenly increased in the month of July to October 2008-2009 in Kathmandu Valley. Birds that were presented for post-mortem examination at the Central Veterinary Laboratory Tripureswor Kathmandu were usually found dead on their backs with wings out-stretched. Gross lesions recorded on post mortem examinations were muscle oedema, pulmonary, renal and liver congestion,...

Author(s): Kedar Karki, Praggya Koirala and Salina Manandhar

  • Article Number: 52D67E33505

August 2011

Evaluation of the long-term effects of Urena lobata root extracts on blood glucose and hepatic function of normal rabbits

Urena lobata is one of the medicinal plants used to treat diabetes in Nigeria. Its hypoglycaemic and anti-diabetic activities have been demonstrated. This study was designed to evaluate the long term effects of daily oral administration of aqueous extracts of U. lobata roots in normal rabbits. Parameters such as body weight, blood glucose and liver function tests were monitored at specific intervals in...

Author(s): Akhere A. OMONKHUA and Iyere O. ONOAGBE

  • Article Number: 6750D471673

August 2011

Immunostimulatory potential of Aristolochia longa L. induced toxicity on liver, intestine and kidney in mice

Aristolochia longa L. (AL) (Aristolochiaceae) is used by Moroccan patients suffering from cancer during the course of their specific treatment. This practice has remained till date without scientific validation. To validate evidence for or against its continued use as antitumor product and afford data for further studies of this plant, the present investigation was carried out to evaluate the safety of an aqueous...

Author(s): Ghita BENZAKOUR, Nouhad BENKIRANE, Mariam AMRANI and Mounia OUDGHIRI,

  • Article Number: C2D793F1702

August 2011

Fast monitoring of water distribution system with portable enrichment unit – Measurement of volatile compounds of coliforms and Salmonella sp. in tap water

The aim of the study was to clarify if microbe enrichment cultures and monitoring of volatiles released by them could speed up the detection of indicator bacteria in water samples. The combination of Portable Microbe Enrichment Unit (PMEU) cultivation and ChemPro100i® chemical detector were used to detect the hygiene indicating bacteria. When the water distribution network of Kuopio city was studied in early...

Author(s): Elias Hakalehto, Anneli Heitto, Lauri Heitto, Tarmo Humppi , Kari Rissanen, Ari Jääskeläinen, Heikki Paakkanen and Osmo Hänninen

  • Article Number: 8BA116A3376

August 2011

Survey on the usage of plastic bags, their disposal and adverse impacts on environment: A case study in Jimma City, Southwestern Ethiopia

Plastic bag wastes pose serious environmental pollutions and health problems in humans and animals. The situation is worsened in economically disadvantaged countries like Ethiopia. The objective of this survey was to assess usage of plastic bags and their environmental impacts in Jimma City of Ethiopia. A semi-structured questionnaire was used to collect data from 230 randomly selected respondents. The results indicated...

Author(s): Legesse Adane and Diriba Muleta

  • Article Number: 28E66F43389

July 2011

Cadmium toxicity exposure – Induced oxidative stress in postnatal development of Wistar rats

Effect of cadmium on ovary increased reactive oxygen species (ROS) was studied in rat. Lipid peroxidation and the reactive oxygen species, hydrogen peroxide were increased in the ovary of Wistar rat administered with cadmium (50 and 200 ppm) in drinking water on 45 and 65 days of post natal development. Elevation of reactive oxygen species and lipid peroxidation is suggestive of tissue damage in the rat ovary due to...

Author(s): P. Dailiah Roopha, J. Savarimuthu Michael, C. Padmalatha and A. J. A. Ranjit Singh

  • Article Number: F5B6FE81605

July 2011

Frequently-used agrochemicals lead to functional and morphological spermatozoa alterations in rats

It is known that agrochemicals alter male reproductive functions. Previous studies from our lab have demonstrated the relationship between male fertility dysfunction and oxidative-nitrative stress. In this work, morphological and functional spermatozoa parameters were studied in a rat model sub-chronically (5 weeks) intoxicated with low doses (i.p. 1/250 LD50) of a mixture of dimethoate (D), glyphosate (G) and zineb...

Author(s): Hurtado de Catalfo Graciela, Astiz Mariana, Alaniz María J. T. de and Marra Carlos Alberto

  • Article Number: 7F929B01622

July 2011

Design of pilot device for municipal solid waste composting

A mathematical model was developed for static composting process of municipal solid waste (MSW) based on the thermodynamics, kinetics of microbial growth, and hydrodynamics. A pilot scale aerobic ferment device was designed without leachate and malodor discharging. Its reasonable size, leachate collecting and recycling system, air distributing, and malodor recycling system were determined by the model and local...

Author(s): Hua Li,Xianlai Zeng, Qina Sun, Baoquan Huo, Changyong Jing, Hongfen Wang and Liyun Wang

  • Article Number: 14EF6DB1640

July 2011

Toxicity of Aluminum sulphate (alum) to Nubian goats

This study was conducted to investigate the toxic effect of Aluminum sulphate (alum). Nine Nubian goat kids were divided into 3 groups, each of three goats. Group 1 animals were the undosed controls. Test groups were given alum at dose rates of 1 and 20% respectively for groups 2 and 3 for a period of 10 weeks after an adaptation period of two weeks during which the animals were X kept under ideal experimental...

Author(s): Medani A. B., El Badwi S. M. A. and Amin A. E.

  • Article Number: F2796531654

June 2011

Retinaranitidine as an alcohol dehydrogenase inhibitor in acute methanol toxicity in rats

Methanol poisoning is a hazardous intoxication characterized by visual impairment and formic acidemia. The therapy for methanol poisoning is alcohol dehydrogenase (ADH) inhibitors to prevent formate accumulation.  Ranitidine has been considered to be an inhibitor of both gastric alcohol and hepatic aldehyde dehydrogenase enzymes. This study aimed at testing ranitidine as an antidote for methanol acute toxicity and...

Author(s): Amal A. El-Bakary, Sahar A. El-Dakrory, Sohayla M. Attalla, Nawal A. Hasanein and  Hala A. Malek

  • Article Number: 73C0C6D1526

June 2011

Removal of some heavy metal ions from their aqueous solutions by duckweed

Duckweed was used to study adsorption of several metal ions (Fe2+,Cu2+, Zn2+ and Pb2+)  from wastewater under different conditions .The dried leaves of duckweed were used at different adsorbent/metal ion ratios. The experimental conditions which includes, pH, contact time, initial concentration, and loading weight on the removal process were investigated. Bach adsorption was studied in a room temperature. The...

Author(s): Jameel M. Dhabab

  • Article Number: 7A53BA41544

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