Ravi Kukkadapu

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Quantification and Chemical Analysis of Iron Oxidation in Microbially-Reduced Sediments

Lead Institution

Villanova University

Principal Investigator

John Komlos

Project type

Exploratory Research

The microbial reduction of iron has been shown to be an important process in the transformation and remediation of contaminated sediments. Subsequent reoxidation of microbially-reduced iron has…

SEM of Soil Goethites

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ravi Kukkadapu

Project type

Exploratory Research

SEM of soil enriched with Al-goethites before and after microbial reduction.

Role of Surface and Interface on Transport Properties in Nanoscale Conducting Oxides

Lead Institution

University of South Carolina

Principal Investigator

Xiao-dong Zhou

Project type

Large-Scale EMSL Research

Size-dependent (~50 nm) chemical and physical properties of electronic materials have been attributed to primarily either intrinsic contributions, such as changes in the lattice energy and discrete…

Use of EMSL Mossbauer Spectroscopy Facility to support National Security Division's (NSD) Actinide Mossbauer Spectroscopy project

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ravi Kukkadapu

The purpose of this study is to develop actinide Mossbauer spectroscopy facility at PNNL. The project is part of NSD's "Ultra-Sensitive Nuclear Measurements" initiative, FYI13 LDRD. …

Software Development for High-Resolution Mass Spectrometry Analysis of Small Molecules: Enabling High-Throughput, Reproducible Data Processing and Annotation.

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Yuri Eberlim de Corilo

Modern high-resolution mass spectrometry has dramatically increased the volume (distinct analytical techniques and polarity modes) and quality (higher resolving power, dynamic range, mass error…

EMSL Science Overview

Ravi Kukkadapu

Projects

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Quantification and Chemical Analysis of Iron Oxidation in Microbially-Reduced Sediments

SEM of Soil Goethites

Role of Surface and Interface on Transport Properties in Nanoscale Conducting Oxides

Use of EMSL Mossbauer Spectroscopy Facility to support National Security Division's (NSD) Actinide Mossbauer Spectroscopy project

Software Development for High-Resolution Mass Spectrometry Analysis of Small Molecules: Enabling High-Throughput, Reproducible Data Processing and Annotation.