Assessment of trace metal contamination in a historical freshwater canal (Buckingham Canal), Chennai, India
نویسندگان
چکیده
منابع مشابه
Ultra Morphological And Histopathological Studies in Liver and Kidney of Anabas testudineus collected from Buckingham Canal, at Uppalam area, Chennai, India
INTRODUCTION Histology is a useful technique for investigating the toxic effect of various pollutants. Such a study also offers opportunity to locate the effect of pollutants in various organs and systems of animals. Histopathology provides a rapid method to detect effects of irritants in various organs [1]. The exposure of fish to chemical contaminants is likely to induce a number of lesions i...
متن کاملProTaper rotary root canal preparation: assessment of torque and force in relation to canal anatomy.
AIM To investigate physical parameters for ProTaper nickel-titanium (NiTi) rotary instruments whilst preparing curved canals in maxillary molars in vitro. METHODOLOGY A novel torque-testing platform was used to prepare root canals in 15 extracted human maxillary molars with ProTaper rotary instruments. Peak torque and force was registered along with numbers of rotations required to shape the ...
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The present study was intended to determine the concentrations of phenolic compounds in surface waters of Godavari canal by molecular spectrophotometry. Samples were collected from fifteen sampling stations using grab sampling method for a period of four months (from November to February) at 10 day intervals. Total phenols in water samples were determined using molecular spectrophotometry after...
متن کاملa novel approach in assessment of root canal curvature
materials and methods: one hundred and thirty five mesial root canals of mandibular first and second molar teeth were selected. access cavities were prepared. after inserting a k-file size #10 into each canal, radiographs were taken. canal curvature was determined by measuring the schneider angle, canal access angle, as well as the canal radius, length, height and curvature starting distance on...
متن کاملA novel approach in assessment of root canal curvature
INTRODUCTION The purpose of this in vitro study was to introduce a new method to describe root canal curvatures and to assess the degree of curvature of human permanent mandibular teeth with curved root canals. MATERIALS AND METHODS One hundred and thirty five mesial root canals of mandibular first and second molar teeth were selected. Access cavities were prepared. After inserting a K-file s...
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ژورنال
عنوان ژورنال: Environmental Monitoring and Assessment
سال: 2012
ISSN: 0167-6369,1573-2959
DOI: 10.1007/s10661-011-2509-5