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Related Concept Videos

Assessment of the Mouth01:26

Assessment of the Mouth

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A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
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Assessment of Respiration01:23

Assessment of Respiration

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The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
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Nursing Assessment01:29

Nursing Assessment

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The two sources for collecting information are primary and secondary. After gathering information, interpretation and validation help to complete the data. The purpose of assessment is to establish data with the initial information, to interpret data about the patient's perceived needs and health problems, and to respond to these problems identified.
The nurse collects all aspects of the patient's health in the initial assessment, establishing priorities for ongoing focused assessments...
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Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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Pulse Assessment Sites01:11

Pulse Assessment Sites

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Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
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Assessment of radial pulse01:11

Assessment of radial pulse

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Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
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Related Experiment Video

Updated: Feb 5, 2026

Myocardial Infarction and Functional Outcome Assessment in Pigs
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Assessment of

Shivangi Upadhyay1, Abhrajyoti Tarafdar1, Alok Sinha1

  • 1Department of Environmental Science & Engineering, Indian Institute of Technology (ISM), Dhanbad, India.

Environmental Technology
|September 11, 2018
PubMed
Summary

A novel Serratia sp. strain SU.ISM.1 effectively reduces hexavalent chromium in iron ore mines. Growth kinetics modeling revealed the Aiba model best describes bacterial chromium reduction, with significant Cr(VI) to Cr(III) conversion.

Keywords:
Hexavalent chromiumSerratia spatomic force microscopy (AFM)bio-reductionbiomass

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Area of Science:

  • Environmental Microbiology
  • Bioremediation
  • Heavy Metal Contamination

Background:

  • Hexavalent chromium (Cr(VI)) poses significant environmental and health risks.
  • Microbial remediation offers a sustainable approach to heavy metal pollution.
  • Isolation of novel microorganisms from extreme environments can yield potent bioremediators.

Purpose of the Study:

  • To isolate and characterize a novel bacterial strain from iron ore mines capable of reducing hexavalent chromium.
  • To investigate the growth kinetics and Cr(VI) reduction efficiency of the isolated strain.
  • To model the bacterial growth in the presence of Cr(VI) using established kinetic models.

Main Methods:

  • Isolation and identification of Serratia sp. strain SU.ISM.1 from Noamundi iron ore mines.
  • Batch experiments to assess Cr(VI) reduction at various concentrations (4-20 ppm).
  • Application of the Aiba model to describe bacterial growth kinetics under Cr(VI) stress.
  • Atomic Force Microscopy (AFM) and Field Emission Scanning Electron Microscopy (FESEM) for cell surface analysis.

Main Results:

  • Serratia sp. strain SU.ISM.1 demonstrated complete Cr(VI) reduction within 36-48 hours for concentrations up to 20 ppm.
  • Viable biomass increased initially, then declined, indicating Cr(VI) toxicity at later stages.
  • The Aiba model accurately described the product inhibition-influenced growth kinetics.
  • High Cr(VI) to Cr(III) conversion rates were observed, ranging from 70.75% to 94.9%.
  • AFM and FESEM revealed increased cell surface roughness with higher Cr(VI) concentrations, suggesting chromium adsorption.

Conclusions:

  • Serratia sp. strain SU.ISM.1 is a promising candidate for bioremediation of hexavalent chromium in contaminated environments.
  • Bacterial growth and Cr(VI) reduction are significantly influenced by chromium concentration and exposure time.
  • Understanding the growth kinetics is crucial for optimizing bioremediation strategies using this isolate.