DEPARTMENT OF ENGINEERING ASSISTANT PROFESSOR

SHWETA AGARWALAAARHUSUNIVERSITY

PROMISE OF PRINTED ELECTRONIC FOR HEALTHCARE:

A ca se study of e le ctronica lly functiona l te xtile s for ICU COVID-19 pa tie nts

Ema il: shwe ta @e ng.a u.dkWe bsite : shwe ta a ga rwa la .com

Printe d Ele ctronics Te chnology La bora tory (PET La b)De pa rtme nt of Engine e ringAa rhus Unive rsity, De nma rk

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

WHAT IS ‘PRINTED ELECTRONICS’

• Ele ctronics tha t is printe d dire ctly from na noma te ria ls a nd build up on de sire d substra te s

• Ofte n cha ra cte rize d by fle xibility, stre tcha bility a nd conformity

Conve ntiona l Ele ctronics Printe d Ele ctronics

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

Design Printing Process Device

Ink: liquid ra w ma te ria l

Printe r

Pa tte rn: fine line printing

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

PRINTED ELECTRONICS TECHNOLOGY LAB

Printed Electronics Bioelectronics

• Pie zoe le ctric Inkje t

• Pie zoe le ctric Inkje t• Extrusion• He a te d Nozzle s• Ste rile Environme nt

Inkje t Printe r

Scre e n Printe r

Bioprinte r

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

• pH sensor• Pressure

sensor• Strain gauge• Transistor• Antenna• Wearables

The market for materialsand components forflexible electronics will beover $600m by 2027

• Stretchable• Flexible• Biocompatible

Focus: Printing electronics on unconventional substrates On low temperaturesubstrates for flexible,stretchable andwearable electroniccomponents

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

PROJECTS

Printa ble dry e le ctrode s on stre tcha ble fa bric for he a lthca re

Printa ble Ba TiO3 pie zoe le ctric inks for inkje t

3D printing of we a ra ble a nd biocompa tible pH se nsor for wounds:

Hydroge l a nd CNT

Inkje t printing of shie lde d ca ble s for fle xible e le ctronics

A solution to counteract muscle wasting in COVID-19 patients, Lundbeckfonden , Denmark.

Personalized Muscle Preserving System (PMPS), Innoexplorer grant, Innovationsfonden, Denmark.

Dean Start up grant, Science & Technology, Aarhus University, Denmark

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

SMART TEXTILES

• Conducting Fabric

• Conducting Fibers: Metal, Carbon

• Treated Fibers: metal, polymer

• Nanomaterial Inks

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

ELECTRONICS ON TEXTILES

00,020,040,060,080,1

0,120,140,16

Canvas Dry fit cloth Glass

Shee

t res

ista

nce

(Ohm

/sq)

• Surfa ce roughne ss is importa nt• Pre -proce ssing might be re quire d

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

STRAIN SENSOR ON WEARABLE BANDAGE FOR HOME HEALTHCARE

*S. Aga rwa la , We a ra ble Ba nda ge ba se d Stra in Se nsor for Home He a lthca re : Combining 3D Ae rosol Je t Printing a nd La se r Sinte ring, ACS Se nsors 4 (2019), 218-226

• Stra in se nsing function unde r curva ture sta te to eva lua te itsre lia bility in a pplica tions whe re surfa ce s a re not fla t

• Fibe r-ba se d la se r source is use d to sinte r the me ta l tra cks.• La se r sinte ring provide s loca lize d he a ting to me ta l

na nopa rticle s such tha t he a t a bsorbe d by the substra te isminimum.

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

BIOELECTRONICS

Biology+Electronics

Inte gra tion of b iology with e le ctrica l e le me nts forbuilding highe r leve l functiona l device s.

• Hydroge l ba se d e le ctronics• Biocompa tib le : te ste d with C2C12 a nd

huma n skin ce lls• Wound ma na ge me nt

*A nove l 3D bioprinte d fle xible a nd biocompa tible hydroge l bioe le ctronic pla tform, Biose nsors a nd Bioe le ctronics 102 (2018) 365-371.*3D printe d bioe le ctronic pla tform with e mbe dde d e le ctronics, MRS Adva nce s 3 (2018) 3011-3017

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

BIODEGRADABLE ANTENNA • Poly(L-la ctide -co-ɛ-ca prola ctone ) (PLC) is biocompa tib le

a nd biode gra da ble .

• Stre tcha ble Substra te

• Applica tion: impla nte d e le ctronics

• Controlle d growth: dia me te r, le ngth a nd numbe r of la ye rs.

Carbon nanotube ink

• The fa brica te d a nte nna pe rforms we ll in the ra nge of 1.2-1.6 GHz a nd2.4-2.7 GHz. This work is a ste p a he a d in fa brica ting conforma l, fle xib lea nd biocompa tib le device s for future me dica l a pplica tions

SHWETA AGARWALA

ASSISTANT PROFESSORDEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY

PERSONALIZED MUSCLE PRESERVING SYSTEM

Cha lle ngeLoss of muscle ma ss during hospita liza tion ca nbe counte ra cte d by e a rly tre a tme nt withne uromuscula r e le ctrica l stimula tion (NMES),but tre a tme nt is curre ntly time -consuming a ndre quire s spe cia list ca re .

Solution• Biocompa tib le dry e le ctrode s inte gra te d in

to he a lthca re te xtile s.• Preve nting loss of muscle ma ss through

e le ctrica l stimula tion during hospita la dmission without a ssiste d ca re .

• 3D printe d solution for e a sy sca le -up.

• PE dire ctly prints e le ctrode s a nd wire s onto the stockings. • The e le ctrode is a 3-la ye r syste m, which ma ke it possib le to

stimula te the muscle s through the stocking with minima l irrita tion.

DEPARTMENT OF ENGINEERING

AARHUSUNIVERSITY ASSISTANT PROFESSOR

SHWETA AGARWALA

Thank You!

Ema il: shwe ta @e ng.a u.dkWe bsite : shwe ta a ga rwa la .com

Printe d Ele ctronics Te chnology La bora tory (PET La b)De pa rtme nt of Engine e ringAa rhus Unive rsity, De nma rk