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Showing 1 to 20 of 102 for “"lead (Pb)"”.

  1. Chemically Induced Phytoextraction of Lead (Pb) Contaminated Soil by Switchgrass (Panicum virgatum L.)

    Gilly, Austin2020

    <p>Soils contaminated with lead (Pb) from human activities including industrial byproducts create an environmental and human health risk. Phytoextraction through chemical acquisition of Pb in soils offer a potentially cost effective and ecologically driven approach to remediation. Switchgrass …

    kennesaw Repository record

  2. Lead (Pb) Contamination of Potable Water: Public Health Impacts, Galvanic Corrosion and Quantification Considerations

    Triantafyllidou, SimoniVirginia Tech2011

    The issue of lead exposure through drinking water was re-examined in light of modern public health goals, recent high-profile cases of elevated lead in water, and emerging concerns regarding the efficacy of legally mandated remedial strategies. A critical literature review revealed that serious …

    vt Repository record

  3. Investigation of the Distribution of Lead (Pb) in Soil in Rochester, NY: Correlation with Children’s Blood Lead Levels

    LaGamba, Nicholas2017

    Despite the outlawing of both leaded paints and gasoline decades ago, lead poisoning remains a severe health issue, particularly for children aged 5 and under due to their hand-to-mouth tendencies and underdeveloped gastrointestinal tracts. Lead from paint typically only presents itself as an issue …

    brockport Repository record

  4. Chemically Induced Phytoextraction of Lead (Pb) Contaminated Soil by Switchgrass (Panicum virgatum L.), assisted with BAP and NTA applications

    Hart, Genna2022

    <p>The accumulation of lead (Pb) deposits in soil is a growing global concern. Phytoextraction of Pb-contaminated soil can be enhanced by soil chelation to increase the bioavailability of Pb. In the initial study nitrilotriacetic acid (NTA) 5mM, the alkylpolyglucoside (APG) Triton X-100 (2%), and …

    kennesaw Repository record

  5. The city blues of an iridescent canary: physiological, behavioral, and developmental impacts of lead (Pb) on songbirds along an urban-to-rural gradient

    Ross, Michelle2024

    … materials—including heavy metals like lead— persist within the environment for prolonged periods of time and present a widespread problem for all who live near contaminated areas. Despite the phase-out of lead usage, it continues to threaten the health of all organisms but especially …

    kennesaw Repository record

  6. Analisis kandungan timbal (Pb) pada talus lichenes di Kabupaten Lamongan

    Amin, Moh. ZainulUniversitas Islam Negeri Maulana Malik Ibrahim2012

    INDONESIA: Timbal (Pb) merupakan logam berat yang sangat berbahaya dan mempunyai tingkat toksisitas yang tinggi karena tidak dapat dibiodegradasi dan dapat terakumulasi dalam jaringan makhluk hidup seperti pada talus Lichenes. Kadar bahan pencemar Timbal (Pb) dapat diketahui menggunakan …

    malang Repository record

  7. Efektivitas larutan buah jeruk nipis (Citrus aurantifolia Swingle.) dan belimbing wuluh (Averrhoa bilimbi L.) dengan variasi konsentrasi dalam menurunkan kadar logam berat timbal (Pb) pada kerang bulu (Anadara antiquata)

    Sakinah, SakinahUniversitas Islam Negeri Maulana Malik Ibrahim2013

    INDONESIA: Timbal (Pb) merupakan logam berat yang dapat menimbulkan masalah kesehatan. Pencemaran logam berat timbal (Pb) pada perairan juga di Perairan Lekok Kabupaten Pasuruan. Biota yang dapat dijadikan indikator pencemaran adalah kelompok kerang-kerangan, seperti kerang bulu. Alternatif alami …

    malang Repository record

  8. Peran enceng gondok (Eichhornia crassipes) pada penurunan tingkat pencemaran logam berat timbal (Pb) di Perairan Waduk Sengguruh Kecamatan Kepanjen Kabupaten Malang

    Hidayat, Sijid MaulanaUniversitas Islam Negeri Maulana Malik Ibrahim2011

    … sengguruh tercemar oleh logam berat timbal (Pb), dengan adanya populasi enceng gondok dapat mengurangi konsentrasi logam berat di perairan, sehingga perlu dilakukan studi tingkat pencemaran logam berat timbal (Pb) di perairan Waduk Sengguruh. Tujuan penelitian ini untuk mengetahui perbedaan …

    malang Repository record

  9. Potensi bakteri Enterobacter agglomerans sebagai biosorben logam berat timbal (Pb)

    Diana, NurUniversitas Islam Negeri Maulana Malik Ibrahim2013

    … Limbah cair yang mengandung logam berat timbal (Pb) dapat menimbulkan dampak negatif terhadap lingkungan, seperti pencemaran air. Solusi untuk mengatasi pencemaran air yang mengandung logam berat adalah biosorpi. Biosorpsi merupakan teknologi pemanfaatan penyerapan oleh mikroorganisme seperti …

    malang Repository record

  10. Molecular recognition : conformational memory and the macroscopic functional character of heteropolymer gels

    Stancil, Kimani Atiim, 1972-Massachusetts Institute of Technology2002

    … or by chemical imprinting using the template, Pb(MAAc)2 . After removing the guest molecule, we test adsorption of divalent molecules, lead (Pb+2), the original guest molecule, or calcium (Ca+2). We evaluate the gel's ability to recognize target molecules by analyzing the affinity and …

    mit Repository record

  11. Metals Distribution in Roadside Soils and Himalayan Blackberries in Victoria, BC, Canada

    Sanchez, Kathy2025

    … across Greater Victoria, BC. Arsenic (As) and lead (Pb) concentrations in soil samples in some areas exceeded BC Contaminated Sites Regulation soil standards, indicating contamination hotspots linked to high traffic. Arsenic and lead concentrations in the berries from high-traffic areas were …

    royalroads Repository record

  12. Modeling the diffusion of reactive and nonreactive solutes in cores from the Cannikin Test Site, Amchitka Island, Alaska

    Brown, Nicole Ann

    … Site, Amchitka Island, Alaska has been studied. Lead (Pb(II)) and cesium (Cs(I)) were chosen as reactive solutes and bromide (Br-) was chosen as the nonreactive solute. Because retardation due to sorption is expected to affect the apparent diffusion of the reactive solutes, batch equilibrium …

    unlv Repository record

  13. Modeling the rates of lead and strontium uptake by zeolitized tuff from Rainier Mesa, Nevada Test Site, Nevada

    Bernot, Patricia Ann

    … partitioning. For this reason, the rate of lead (Pb) and Strontium (Sr) uptake by zeolitized tuff from Rainier Mesa, NTS, was studied as a function of pH, ionic strength, and metal concentration; To test the hypothesis that sorption of Pb occurs through surface precipitation and Sr sorbs …

    unlv Repository record

  14. Heavy Metal Concentrations in Springs and Sinkholes in and Around Springfield, Greene County, Missouri

    Black, Richard

    … were analyzed for copper (CU), barium (Ba), and lead (Pb) using Inductively Coupled Plasma-Atomic Emission Spectroscopy (ICP-AES) and a single nitric acid extraction. A t-test was used to compare each of the statistical mean metal concentrations with controls (deionized water passed through a …

    mo-state Repository record

  15. Extracellular DNA-Based Trapping of Heavy Metals by Root Border Cells

    Huskey, David AerovenThe University of Arizona.2020

    … tip. The goal of this research was to utilize lead (Pb) as a model to examine the hypothesis that border cells function to protect plant health by utilizing exDNA-based defense mechanisms against biotic and abiotic threats. The experimental approaches were (1) to detect and study the role of …

    arizona-thes Repository record

  16. Pengaruh pemberian ekstrak etanol daun kelor (Moringa oleifera L) terhadap kadar Malondialdehide (MDA) dan kualitas spermatozoa epididimis mencit (Mus musculus L) yang dipapar timbal (Pb) asetat

    Hazani, Kholila FitriUniversitas Islam Negeri Maulana Malik Ibrahim Malang2014

    INDONESIA: Timbal (Pb) merupakan zat aktif yang dapat memicu adanya radikal bebas dan dapat menimbulkan kerusakan pada sel. Adanya radikal bebas tersebut dapat dinetralisir dengan antioksidan. Salah satu tanaman yang mengandung antioksidan adalah kelor (Moringa oleifera L). Penelitian ini bertujuan …

    malang Repository record

  17. Bioremediasi logam berat timbal (Pb) dalam lumpur Lapindo menggunakan campuran bakteri (Pseudomonas pseudomallei dan Pseudomonas aeruginosa).

    Khoiroh, ZaimatulUniversitas Islam Negeri Maulana Malik Ibrahim2014

    … Porong adalah pencemaran logam berat timbal (Pb). Logam Pb bersifat toksik pada manusia dan dapat menyebabkan keracunan akut dan kronis. Hasil uji pendahuluan menunjukkan kadar logam Pb melebihi ambang batas keberadaan Pb dilingkungan yaitu 3,50 ppm. Untuk menanggulangi hal tersebut perlu …

    malang Repository record

  18. Heavy Metal Concentrations in Stream Sediments Adjacent to the Greenfield Sanitary Landfill, Dade County, Missouri

    Rey, Kimberly D.

    … (Cd), chromium (Cr), copper (Cu), nickel (Ni), lead (Pb), and zinc (Zn) using Inductively Coupled Plasma-Atomic Emission Spectrophotometry (ICP-AES) and a single nitric acid extraction. A t-test was used to compare each of the statistical mean metal concentrations in the control, samples …

    mo-state Repository record

  19. ΕΠΙΠΕΔΑ ΜΟΛΥΒΔΟΥ ΑΙΜΑΤΟΣ ΚΑΙ ΝΕΦΡΙΚΗ ΛΕΙΤΟΥΡΓΙΑ ΠΑΙΔΙΩΝ ΜΙΑΣ ΠΕΡΙΟΧΗΣ ΜΕ ΑΥΞΗΜΕΝΟ ΠΕΡΙΒΑΛΛΟΝΤΙΚΟ ΜΟΛΥΒΔΟ

    Νάκου, ΣίναUniversity of Ioannina1986

    … AGED 1.5 - 8 YEARS LIVING WITHIN 1.5 KM OF THE LEAD (PB) SMELTERIN LAVRION, GREECE THE BLOOD LEAD (PBB) LEVELS RANGED FROM 9-63.2 MG/100ML (MO 36+-15.6) WHEREAS 31 CHILDREN OF THE SAME AGE FROM AN UNPOLLUTED AREA HAD PBB LEVELS 4.9-26.9 MG/100ML (MO 12.6+-5.7). OF THE LAVRION CHILDREN 51% HAD …

    greece Repository record

  20. Phytoremediation of Metal Contamination Using Salix (Willows)

    Kersten, Gordon J.2015

    … to plants, animals, and humans. Cadmium (Cd) and lead (Pb) are metal contaminants often found in AMD. In my mine outwash water samples, cadmium and lead concentrations were 19 and 160 times greater than concentrations in control waterways, and 300 and 40 times greater than EPA Aquatic Life Use …

    denver Repository record

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