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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Research</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Research Lab, Home, Velit Aliquet Sagittis University">
<meta name="author" content="">
<!-- Le styles -->
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</head>
<body>
<div class="container">
<header class="jumbotron subhead" id="overview">
<p class="lead">CSIR-Central scientific Instruments Organisation </p>
<h1>V-1(B)-Sensors, Systems and Algorithms Lab</h1>
</header>
<div class="masthead">
<div class="navbar">
<div class="navbar-inner">
<div class="container">
<ul class="nav">
<li><a href="index.html">Home</a></li>
<li><a href="people.html">People</a></li>
<li class="active"><a href="#">Research</a></li>
<li><a href="publications.html">Publications</a></li>
<li><a href="gallery.html">Gallery</a></li>
<li><a href="news.html">News</a></li>
<li><a href="teaching.html">Teaching</a></li>
<li><a href="contact.html">Contact</a></li>
</ul>
</div>
</div>
</div>
</div>
<hr>
<div class="row-fluid">
<div class="span3 bs-docs-sidebar" id="navparent">
<ul class="nav nav-list bs-docs-sidenav" data-spy="affix" data-offset-top="200" data-offset-bottom="260">
<li><a href="#statemet"> Sensors </a></li>
<li><a class="subhead" href="#Conducting polymers and composites"> Conducting polymers and composites</a></li>
<li><a class="subhead" href="#Metalloporphyrin based sensors "> Metalloporphyrin based sensors</a></li>
<li><a class="subhead" href="#Metal organic frameworks as chemosensors "> Metal organic frameworks as chemosensors</a></li>
<li><a class="subhead" href="#Conducting biomimetic based sensor "> Conducting biomimetic based sensor</a></li>
<li><a class="subhead" href="#2D materials as sensing platforms for anemia">2D materials as sensing platforms for anemia</a></li>
<li><a href="#System">System</a></li>
<li><a class="subhead" href="#Precision Iodine Value Analyser"> Precision Iodine Value Analyser</a></li>
<li><a class="subhead" href="#Electronic Nose and Tongue system development">Electronic Nose and Tongue system development</a></li>
<li><a class="subhead" href="#System development for livestock emissions"> System development for livestock emissions</a></li>
<li><a class="subhead" href="#Optical system for detection of polyaromatic hydrocarbons"> Optical system for detection of polyaromatic hydrocarbons</a></li>
<li><a class="subhead" href="#Rancidity indicator strips for edible oils">Rancidity indicator strips for edible oils</a></li>
<li><a class="subhead" href="#Electrochemical system for detection of cardiac troponin I">Electrochemical system for detection of cardiac troponin I</a></li>
<li><a class="subhead" href="#Optical testing card for pesticide detection">Optical testing card for pesticide detection</a></li>
<li><a class="subhead" href="#Development of Paper based device for cancer biomarkers">Development of Paper based device for cancer biomarkers</a></li>
<li><a href="#Algorithms">Algorithms</a></li>
<li><a class="subhead" href="#Understanding Chemical space of odorants">Understanding Chemical space of odorants</a></li>
<li><a class="subhead" href="#Odor Source Localisation Techniques">Odor Source Localisation Techniques</a></li>
<li><a class="subhead" href="#Optimisation Algorithms">Optimisation Algorithms</a></li>
</ul>
</div>
<div class="span8 offset1">
<section id="statemet">
<div class="page-header">
<h3>Research Areas</h3>
<hr>
<p>We expound on a plethora of sensing applications and are working in-depth analysis, opportunities and challenges for using magic materials in chemistry such as composites of conducting polymers, metalloporphyrins, organometallic compounds and molecularly imprinted polymers along with variable functionalities. The unique properties of these materials have made them to be widely used materials in the field of chemistry and material science.
</p>
</div>
</section>
<section id="nano">
<div class="page-header">
<h3>Sensors</h3>
</div>
<div class="row-fluid">
<div class="span12">
<section id="Sensors">
<p>
We expound on a plethora of sensing applications and are working in-depth analysis, opportunities and challenges for using magic materials in chemistry such as composites of conducting polymers, metalloporphyrins, organometallic compounds and molecularly imprinted polymers along with variable functionalities. The unique properties of these materials have made them to be widely used materials in the field of chemistry and material science.
</p>
<h4>Conducting polymers and composites: (Funded by CSIR-India, DST-India)</h4>
<br/>
<img src="images/scientist-with-petri-dish.jpg" class="float-right" alt="Conducting polymers and composites: (Funded by CSIR-India, DST-India)"/>
<p>
Poly-conjugated structure of conducting polymers with alternate single and double bonds along the polymer backbone, imparts tunable and unique electrical, chemical and optical properties. We have been extensively exploring these tunable functionalities for gas/odour sensing applications. Our work involves tailoring the structural and chemical properties of these polymer conjugates for sensing modulation (resistive, electrochemical,impedance and optical based). Furthermore, we are investigating in-depth sensing/interaction mechanisms through simulation and experimental approaches.
<p>
<p>
Research Topic/Work
<li>Anisotropic charge transport mechanism in conducting polymers.</li>
<li>Impedimetric studies of conducting polymer and composites for odour classification.</li>
<li>Optical resonances in conducting polymers for odour visualization (in collaboration with Lee nano-optics group </li>
</p>
</section>
<hr>
<section id="Metalloporphyrin based sensors for food quality (Funded by CSIR, India): ">
<h4>Metalloporphyrin based sensors for food quality (Funded by CSIR, India):</h4>
<br/>
<img src="images/voc.jpg" class="float-right" alt="Metalloporphyrin based sensors for food quality (Funded by CSIR, India)"/>
<p>
We are trying to develop an array composed of chemoreceptive metallo-porphyrins whose color changes on interaction with a volatile analyte. Porphyrin structure is composed of delocalized π-electrons within a tetrapyrollic skeleton. The magnitude of sensing response can be tuned by modifying the central metal atoms or ligands. There are still many challenges and unanswered questions in the literature pertaining to the immobilisation, reproducibility, recovery as a sensor; and most importantly, the interaction behaviour with the analytes. We intend to investigate the solutions for these challenges by using computational and experimental approaches.
</p>
<p>
<b>Research Topic/Work</b>
<li>Computational studies for understanding interaction mechanism of metalloporphyrin with volatile organic compounds</li>
<li>Early detection of Pseudomonas aeruginosa and Escherichia coli. using zinc tetraphenylporphyrin</li>
</p>
</section>
<hr>
<section id="Metal organic frameworks as chemosensors for water quality (Funded by CSIR, India)">
<h4>Metal organic frameworks as chemosensors for water quality (Funded by CSIR, India)</h4>
<br/>
<img src="images/mof.jpg" class="float-center" alt="Metal organic frameworks as chemosensors for water quality (Funded by CSIR, India)"/>
<p>
MOFs are ordered structures made of repeating structural units which may show electrochemical activity depending upon metal ions and linkers. Properties like huge surface area, porosity, desirable functionality and pore size make MOFs as potential material not only for electrochemical sensing but also for other applications like catalysis, gas storage & separation, adsorption, super capacitors, sensors.
</p>
</section>
<hr>
<section id="Conducting biomimetic based sensor for food pathogens (Funded by CSIR, India)">
<h4>Conducting biomimetic based sensor for food pathogens (Funded by CSIR, India)</h4>
<br/>
<img src="images/conducting.jpg" class="float-right" alt="Conducting biomimetic based sensor for food pathogens (Funded by CSIR, India)"/>
<p>
Biomimetic sensors tend to replicate the sensitive and selective mechanisms that are found in biological systems and incorporate these properties into functional sensing platforms. Molecularly imprinted polymers (MIPs) are one of those biomimetic sensors which can form high affinity binding sites complementary to the specific analyte of interest. They produce sensitive and selective recognition of target analytes utilizing the shape, size, and functionality of the same.
</p>
</section>
<hr>
<section id="2D materials as sensing platforms for anemia and oxidative biomarkers (Funded by CSIR, India)">
<h4>2D materials as sensing platforms for anemia and oxidative biomarkers (Funded by CSIR, India)</h4>
<br/>
<img src="images/2D.jpg" class="float-center" alt="2D materials as sensing platforms for anemia and oxidative biomarkers (Funded by CSIR, India)"/>
<p>
Since the discovery of graphene in the year 2000, there has been a tremendous boost in the field of 2-D materials. Apart from graphene, many more 2-D materials have been found out. These are broadly classified as graphene family, 2-D chalcogenides and 2-D oxides. These materials are traditionally semiconductor in nature and hence have a variety of applications like energy generation and storage devices, electronic devices etc. And at the same time, their chemical stability, biocompatibility, and mechanical strength make them a potential candidate for the sensing platform.
</p>
</section>
</div>
</div>
</section>
<hr>
<section id="Systems">
<div class="page-header">
<h3>Systems</h3>
</div>
<div class="row-fluid">
<div class="span12">
<section id="Precision Iodine Value Analyser (PIVA), patented technology">
<h4>Precision Iodine Value Analyser (PIVA), patented technology</h4>
<br/>
<img src="images/piva.jpg" class="float-right" alt="Volutpat"/>
<p>
A portable device for the determination of degree of unsaturation in edible oils.
<li>No titration requirement</li>
<li>Rapid measurement</li>
<li>Low cost and safe</li>
<li>Customisable for any edible oil/fats</li>
</p>
</section>
<hr>
<section id="Electronic Nose and Tongue system development (funded by CSIR-India)">
<h4>Electronic Nose and Tongue system development (funded by CSIR-India)</h4>
<p>
<ul class="rss">
<li><a href="https://www.sciencedirect.com/science/article/abs/pii/S0925400510004612">A novel iTongue for Indian black tea discrimination</a></li>
<li><a href="https://www.sciencedirect.com/science/article/abs/pii/S0925400512006065">A Simple Electronic Tongue </a></li>
<li><a href="https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2018.5187">Circuit arrangement to suppress crosstalk in chemo-resistive sensor arrays</a></li>
<li><a href="https://www.sciencedirect.com/science/article/abs/pii/S0893608015001513">Towards biological plausibility of electronic noses: A spiking neural network based approach for tea odour classification</a></li>
</ul>
</p>
</section>
<hr>
<section id="System development for livestock emissions (funded by DST-India)(provide link for brochure/pamphlet)">
<h4>System development for livestock emissions (funded by DST-India)(provide link for brochure/pamphlet)</h4>
<p>
<li>Integrated system based on conducting polymers/ metal oxide semiconductors for monitoring ammonia, carbon dioxide methane and hydrogen sulphide emissions (in collaboration with Central Poultry Development Organisation, Chandigarh)</li>
</p>
</section>
<hr>
<section id="Optical system for detection of polyaromatic hydrocarbons (funded by CSIR, India)">
<h4>Optical system for detection of polyaromatic hydrocarbons (funded by CSIR, India)</h4>
<p>
<li>Rapid onsite extraction and detection of polyaromatic hydrocarbons(>10ppb) in edible oils </li>
</p>
</section>
<hr>
<section id="Rancidity indicator strips for edible oils (funded by CSIR)">
<h4>Rancidity indicator strips for edible oils (funded by CSIR)</h4>
<p>
<li>Sensor type: Chemoreceptive metalloporphyrin</li>
<li>Limit of detection: 1 ppm of hexanal</li>
<li>Non hazardous </li>
</p>
</section>
<hr>
<section id="Electrochemical system for detection of cardiac troponin I (funded by CSIR)">
<h4>Electrochemical system for detection of cardiac troponin I (funded by CSIR)</h4>
<br/>
<img src="images/biosensor.jpg" class="float-right" alt="Electrochemical system for detection of cardiac troponin I (funded by CSIR)"/>
<p>
<li>Hand held point of care device</li>
<li>Bioreceptor functionalized ready to use strips with portable readout</li>
<li>Immunocomplex formation monitoring for signal generation</li>
<li>Detection range: from pg/mL to ng/mL</li>
</p>
</section>
<hr>
<section id="Optical testing card for pesticide detection (Funded by CSIR)">
<h4>Optical testing card for pesticide detection (Funded by CSIR)</h4>
<br/>
<img src="images/optical.jpg" class="float-right" alt="Optical testing card for pesticide detection (Funded by CSIR)"/>
<p>
<li>Disposable dip stick</li>
<li>Easy to use for on-site application</li>
<li>Yes or No indication</li>
<li>Sensitive and selective detection in ppb range</li>
</p>
</section>
<hr>
<section id="Optical system development for the detection of toxins in food and water (DBT-India)">
<h4>Optical system development for the detection of toxins in food and water (DBT-India)</h4>
<p>
<li>Bioreceptor functionalized chip based</li>
<li>Integrated with portable fluorescence reader</li>
</p>
</section>
<hr>
<section id="Development of Paper based device for cancer biomarkers (ICMR-India)">
<h4>Development of Paper based device for cancer biomarkers (ICMR-India)</h4>
<br/>
<img src="images/development.jpg" class="float-right" alt="Development of Paper based device for cancer biomarkers (ICMR-India)"/>
<p>
<li>Biodegradable paper based device</li>
<li>Multiplexed detection of cancer biomarkers</li>
</p>
<section id="Algorithms">
<div class="page-header">
<h3>Algorithms</h3>
</div>
<div class="row-fluid">
<div class="span12">
</section>
<hr>
<section id="Understanding Chemical space of odorants (funded by CSIR-India, Royal Society-UK)">
<h4>Understanding Chemical space of odorants (funded by CSIR-India, Royal Society-UK)</h4>
<p>
<ul class="rss">
<li><a href="https://science.sciencemag.org/content/355/6327/820.abstract">Predicting human olfactory perception from chemical features of odor molecules</a></li>
<li><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4615634/">Understanding the Odour Spaces: A Step towards Solving Olfactory Stimulus-Percept Problem </a></li>
<li><a href="file:///C:/Users/abc/Downloads/ECRO2019_Book%20of%20abstracts.pdf">DeepFragrance a peek into the olfactory chemical spaces</a></li>
</ul>
</p>
</section>
<hr>
<section id="Odor Source Localisation Techniques (funded by CSIR-India)">
<h4>Odor Source Localisation Techniques (funded by CSIR-India)</h4>
<p>
<ul class="rss">
<li><a href="https://ieeexplore.ieee.org/abstract/document/8764615">Consensus-Based Odor Source Localization by Multiagent Systems Under Resource Constraints</a></li>
<li><a href="https://arxiv.org/abs/1711.03819">Cooperative control of multi-agent systems to locate source of an odor</a></li>
<li><a href="https://ieeexplore.ieee.org/document/8471102">Consensus-Based Odor Source Localisation by Multiagent Systems</a></li>
</ul>
</p>
<section id="Optimisation Algorithms (funded by CSIR-India)">
<h4>Optimisation Algorithms (funded by CSIR-India)</h4>
<p>
Algorithm development for Agriculture application (funded by CSIR-India)
<li>NLP and exploration for crowd-sourced queries</li>
<li>Pest identification using leaf imaging and deep learning</li>
AI-tools for risk indicators of food borne diseases (funded by DST-India)
</p>
</section>
</div>
</div>
</section>
<hr>
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<h3>Contact Information</h3>
<p><b>Office Hours: </b>Monday-Friday (8.00am - 5.00pm)</p>
<p><b>Phone: </b>999-999-9999</p>
<p><b>Cell: </b>999-999-9999</p>
<a href="mailto:your.email@uni.edu">Email</a>
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<h3>Address</h3>
<p>9999 Generic Research Laboratory<br>
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City, State<br>
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