E-nose_Oct_2012

tentchoirΤεχνίτη Νοημοσύνη και Ρομποτική

15 Νοε 2013 (πριν από 3 χρόνια και 4 μήνες)

115 εμφανίσεις

Department of Physics, Faculty of Science, Mahidol University

Teerakiat Kerdcharoen

Center of Nanoscience & Nanotechnology,
Faculty of Science, Mahidol University

Electronic Nose


From Basic Research to
Commercialization

Research Team

Teerakiat Kerdcharoen (Ph.D)


Chatchawal Wongchoosuk (Ph.D)


Semiconductor sensors

Panida Lorwongtragool (Ph.D.)


Polymer sensors, food sensors

Mario Lutz (M.Eng.)


Platform development, e
-
nose on robots

Johannes Mensing (M.Eng.)


Printed e
-
nose

Sumana Kladsomboon (M.Sc.)


Optical based e
-
nose

Thara Seesa
-
ard (M.Sc.)


Wearable sensors, Printed electronics

Natthakit Thanathawee (B.Sc.)



Mobile & Cloud Computing

Treenet Thepudom (B.Sc.)


Pattern recognition, Sensor Array

Natthapol Watthanawisuth (B.Eng.)



Wireless sensor networks

Chayanin Khunarak (B.Sc.)


Environmental monitoring

Wathang Donkrajang (B.Sc.)


Biokinetic sensors

Shongpun Lokawee (B.Sc.)


Haptics


E
-
nose is a device that mimics the human
sense of smell.

The Sense of Smell

Basis of natural nose

Nobel Prize in Physiology 2004

Receptor Molecule

Slide from Krishna C. Persaud, UMIST, UK

Pyramid of e
-
nose

Basic Research

Engineering

Applications

Sensing

Mechanism

Materials Design

Algorithms

Wearable Sensors

Rice

Wine/Beer/Whiskey

Coffee & Tea

Pig Farm

Perfume

Sea Foods

Body Odor

Seasoning

Environment

Indoor Air

Handheld Devices

Sensor Robots

Portable e
-
nose

Wireless Sensor
Networks

Biomimetics

Printed Electronics

Nanostructure

Papers

Patents

Products

Picture from Stefan Strathmann and Udo Weimar

Aspects of the basic research

Development
of sensing
materials

Studying
sensing
mechanism

Studying
nanostructure

Development of
fabrication
technique

Development of transducing
mechanism & algorithms

-
Selectivity

-
Sensitivity

-
Stability

Sensing Materials

Porphyrins/Phthalocyanines

Metal oxides

Carbon nanotubes/graphenes

Polymers



C
O
O
H
H
H
H
100
102
103
N

Transduction Principles

-
Electrical

(ch敭潲e獩獴s癥)


䵥M慬 潸o摥猬d䍎启灯T祭敲Ⱐ䍎启灯牰桹物湳n


Graphene/polymer, Graphene/porphyrins


-
Optical (absorption)


Porphyrins, Phthalocyanines


-
Hybrid optical/electrical


CNT/Porphyrins
-
Phthalocyanines


Metal oxide/porphyrins/phthalocyanines


Metal oxide/CNT


Metal oxide/C

Electrical Transduction (Chemoresistive)

Metal Oxide Semiconductor

Chatchawal Wongchoosuk, Anurat Wisitsoraat, Adisorn Tuantranont, Teerakiat Kerdcharoen,

Portable
Electronic Nose Based on Carbon Nanotube
-
SnO2 Gas Sensors and Its Application for Detection of
Methanol Contamination in Whiskeys

,
Sensors and Actuators B

147 (2010) 392.

Electrical Transduction (Chemoresistive)

Metal Oxide Semiconductor

Chatchawal Wongchoosuk, Anurat Wisitsoraat, Adisorn Tuantranont, Teerakiat Kerdcharoen,

Portable
Electronic Nose Based on Carbon Nanotube
-
SnO2 Gas Sensors and Its Application for Detection of
Methanol Contamination in Whiskeys

,
Sensors and Actuators B

147 (2010) 392.

-
Selectivity

-
Sensitivity

-
Stability

Electrochemical Sensor :
Changes of resistance through charge transfer

Carbon
nanotubes

(CNT) / Polymer
Nanocomposite

Resistance R
o

Resistance R
1


R
o


CNT

Polymer

Polymer swelling

Electrical Transduction (Chemoresistive)

Polymer/CNT sensors

Panida Lorwongtragool, Anurat Wisitsoraat and Teerakiat Kerdcharoen, “An Electronic Nose for Amine
Detection Based on Polymer/SWNT
-
COOH Nanocomposite”,
Journal of Nanoscience and
Nanotechnology

11 (2011) 10454
-
10459.

Electrochemical Sensor :
Changes of resistance through charge transfer

Carbon
nanotubes

(CNT) / Polymer
Nanocomposite

Resistance R
o

Resistance R
1


R
o


CNT

Polymer

Polymer swelling

Electrical Transduction (Chemoresistive)

Polymer/CNT sensors

Panida Lorwongtragool, Anurat Wisitsoraat and Teerakiat Kerdcharoen, “An Electronic Nose for Amine
Detection Based on Polymer/SWNT
-
COOH Nanocomposite”,
Journal of Nanoscience and
Nanotechnology

11 (2011) 10454
-
10459.

-
Selectivity

-
Sensitivity

-
Stability

Optical
-
based Chemical Sensor

Absorption

UV
-
Vis

Source

Detector

Chamber

Gas in

Gas out

Optical
-
based Chemical Sensor

Porphyrins/Phthalocyanines

UV
-
Vis

Source

Detector

Chamber

Gas in

Gas out

We can play with

Porphyrins/Phthalocyanines

-

Quantum mechanics: DFT

-

Molecular dynamics simulation

-

Molecular geometry

-

Molecular interactions
between sensor
-
analyte

-

Charge transfer

-

Sensitivity of the sensing
molecule

-

Design of new sensor


Studying
sensing
mechanism

Interactions at the nanoscale

Molecular dynamics simulation of the sensor film

Interactions at the nanoscale

Molecular dynamics simulation of the sensor film

Sensor molecules are likely to orient at a
degree of 45
-
90 degree with the horizontal
plane, to maximize the pi
-
pi interactions.

Interactions at the nanoscale

Study of intermolecular interactions using density
functional theory (DFT) calculations.

methanol

S. Pratontep, S. Kladsomboon, T. Kerdcharoen, Thai Patent pending art. no. 0901002613.


Pyramid of e
-
nose

Basic Research

Engineering

Applications

Sensing

Mechanism

Materials Design

Algorithms

Wearable Sensors

Rice

Wine/Beer/Whiskey

Coffee & Tea

Pig Farm

Perfume

Sea Foods

Body Odor

Seasoning

Environment

Indoor Air

Handheld Devices

Sensor Robots

Portable e
-
nose

Wireless Sensor
Networks

Biomimetics

Printed Electronics

Nanostructure

Papers

Patents

Products

Key Components of an E
-
nose System

Chemical
Sensors

Data
Acquisition &
Signal
Conditioning

Pattern
Recognition

Examples of optical e
-
nose

Engineering of e
-
nose

Transduction

Principles

Form Factor

-

Electrochemical Nose

-

Optical Nose

-

Hybrid Optoelectronic Nose

-

Hand
-
held E
-
nose

-

Briefcase E
-
nose

-

Wall
-
mount E
-
nose

-

Robotic E
-
nose

-

On
-
field E
-
nose

-

Wearable E
-
nose

We have 6 patents on varieties of transduction/form factors

E
-
nose prototypes in our lab

Portable e
-
nose


15.8 cm

8.3

cm


SHT
15
SCK
DATA
GND
+
5
V DC


15.8 cm

8.3

cm

3 cm

400
403
401
402
404
406
406
413
405
403
209
408
409
411
410
412
407
Handheld e
-
nose

Wearable Sensors

Wireless Sensor
Networks

Sensor robots

We have 6 patents on varieties of transduction/form factors

APPLICATIONS


Applications

& Commercialization

Our start
-
up company

http://www.innosense.co.th/

Current Status of Prototypes

Laboratory Prototypes


-
Handheld E
-
nose (ammonia, protein
-
based foods)

-
Wearable E
-
nose (health diagnosis)

-
Fabric E
-
nose (e
-
nose on textile, chemical warning)

-
Wireless Networked E
-
nose (environment)

Field Prototypes


䍯mm敲捩慬ePro瑯瑹灥t

-
䉲B敦捡獥e⡐潲(慢a攩e䕬散瑲潮o挠乯獥

-
䑥獫瑯瀠䕬散瑲潮o挠乯獥


⡴敳瑥搠ei瑨t睩湥猬n物捥Ⱐ灥牦畭攬⁳敡⁦潯o猬⁣潦s敥Ⱐ瑥愬t
晲i敤e捨c捫敮Ⱐ獥慳潮i湧猠整挩

ความสามารถของ
e
-
nose

Electronic Nose for Food Industry

-
Quality assurance of wine, coffee, tea, beer, wine, whiskey

-

Freshness of fish, shrimp and fresh meat

-

Rapid flavor identification

-

Quality control of milk products

-

Quality control of seasoning, fish sauce etc

-

Aroma monitoring of coffee and tea production process

-

Identification of herbs and natural products


SMART FARM

-

Analysis of soil, chemicals and insects

-

Ripeness of fruit, estimation of the harvest day


ENVIRONMENT

-

Monitoring of malodor emission from animal farm

-

Waste and factory malodor emission



Applications

we have tested

Rice

Wine/Beer/Whiskey

Coffee & Tea

Pig Farm

Perfume

Sea Foods

Body Odor

Seasoning

Environment

Indoor Air

Bad Smell

Good Smell

Fried
Chicken

Examples: Pig Farm

Examples: Pig Farm

How e
-
nose can help

.


-

Determine the best menu for pigs that

produce the worst smell

-

Determine the best cleaning schedule
that maintain the acceptable smell

-

Determine the best formula of
cleaning agents

-

Suggest the optimized management of
biofilter


-

Provide scientific data to the
community around the pig farm

Analysis of Oolong tea from different
mountains

Analysis of coffee powder from
various commercial brands

-40
-20
0
20
40
60
80
-30
-20
-10
0
10
20
30
40
-15
-10
-5
0
5
10
15
20
25

PC2=12.4294%
Principal

Component

Analysis
;
High

temperature
:
40oC

coffee
1
-
coffee
8
PC1=83.6162%

PC3=3.4439%
cof1
cof2
cof3
cof4
cof5
cof6
cof7
cof8
Contamination in Whiskey

Pure Whiskey

Contaminated

Whiskey

Applications of our E
-
Nose in vineyard

Pre
-
harvest

Post
-
harvest

-
Tracking the ripeness of grapes

-

Determination of harvest day

-

Brand design

-

Design of fermentation of wines

-

Tracking the fermented juices

-

Determination of oaking (French/American)

-

Brand design, blending design

-

Determination of bottling quality

-

Determination of oxidation/aging of wines

-

Design of preservation management in
winery

Analysis of human body odor by E
-
nose

C. Wongchoosuk, M. Lutz, A. Tuantranont, T. Kerdcharoen,
Thai Patent pending art. no. 0901001349.


Analysis of Cancer (Hepatocellular Carcinoma)

Computational Textiles

Biokinetic measurement

-

Wearable e
-
nose

-
Tactile sensors

-

Strain sensors

-

Bending sensors

-

Pressure sensors

Behavioral Interpretation
(Middle Ware)

-

Posture

-

Gesture

……

-

Respiration

-

Vital Detection

Applications: Elder monitoring, healthcare,

rehabilitation, sport, entertainment, robotics etc.

Wearable Intelligence @ Mahidol

Data Glove

Data Shoe

Sensor Pillow & Sensor Bed

Electronic Nose

Sensor Array

Zigbee

3.7 V Battery

Wearable E
-
nose

Wearable E
-
nose

E
-
nose on Fabrics

THANK YOU

http://nanotech.sc.mahidol.ac.th/