logo
Parijat's Resume
Parijat Bhatnagar's Resume
File Attachments:
PBZ_CoverLetter.pdf (21.6 KB, application/pdf)
Cover Letter
PBZ_CVAndResearchSummary.pdf (47.0 KB, application/pdf)

Contact1 Willets Pl
Apt. 3
Ithaca, NY 14850
US
845-401-3427
pb96@cornell.edu
GoalLooking for position in microfabrication, microfludics, biosensor and biological interface in lab-on-a-chip offering interdisciplinary challenges.
SkillsPhotolithography, RIE, CVD, electroplating, self-assembly, surfactants, colloids, surface polymerization, lab-on-a-chip, mammalian cell culture
QualificationsPARIJAT BHATNAGAR
Batt Research Group
1 Willets Place, Apt. # 3,
Ithaca, NY 14850, USA

Lab: (607) 255 7902
Cell: (845) 401 3427

pb96@cornell.edu

Availability: June 2007





JOB GOAL

I am looking for collaborative interdisciplinary positions capitalizing on my basic training in Materials Science, Microfabrication, & Biomaterials and interfacing it with Molecular & Cellular Biology; leading into future leadership positions.





SKILLS

- Highly skilled: photolithography & photochemistry, reactive ion etching (RIE), thin-film deposition: chemical vapor deposition (CVD), electroplating & electrochemistry, molecular self-assembly (SAM), surfactants & colloids, surface free radical polymerization & organic transformations, porous & soft materials etching and deposition, MEMS, biomaterials, lab-on-a-chip, vacuum & wet processes, SEM, fluorescence microscope, CAD, nanostructured material functionalization protocols, protein & DNA functionalization protocols, design-of-experiments (DOE).

- Moderately skilled: Mammalian cell culture, genetic engineering, polymerase chain reaction (PCR) amplification, restriction endonuclease and ligation reactions, DNA harvesting, bacterial cloning, AFM, on-chip atom transfer radical polymerization (ATRP).

- Experienced: Cornell NanoScale Science & Technology Facility (CNF) & Nanobiotechnology Center.





CITIZENSHIP & RESIDENT STATUS: Citizen of India; Permanent Resident of USA.





WORK EXPERIENCE

Graduate Research Assistant
Microfabrication, Biomaterials, & Bioinstrumentation
Dept. of Biomedical Engineering
Cornell University, Ithaca, NY
2002 to 2007

Chair: Prof. Carl A. Batt
Advisors: Prof. George G. Malliaras, Prof. Scott C. Blanchard, Prof. Timothy Wright, Prof. Wesley Sine

Developed integrated CMOS processes with high yield center-to-edge uniformity for robust wafer-level protein patterning. This is important for applications at the interface of microelectronics and healthcare. Using bottom-up assembly of nanomaterials with traditional top-down patterning approaches I developed applications in biosensors, lab-on-a-chip, and cell biology tools. Self-starter of following collaborations:

o Organic electronics – Prof. George Malliaras, Materials Science & Engineering.

o Nanophotonics – Prof. Michal Lipson, Electrical & Computer Engineering.

o Total Internal Reflection Fluorescence – Prof. Scott Blanchard, Weill Medical College.

o Bone-cartilage tissue engineering – Prof. Alan Nixon, Large Animal Surgery, Veterinary College, Prof. Lawrence Bonassar, Mechanical & Aerospace Engineering.

- Investigating mouse embryonic fibroblast and mesenchymal stem cell response to photo-patterned proteins and growth factors.

- Developed photochemical micro-patterning of multiplexed proteins on hydrogel.

o Designed and implemented new molecules with multiple functionalities.

o Investigated functional group protection strategies for photo-generated acids and bases.

o Integrated self-assembled monolayer, polymers, and surfactants to reduce non-specific adhesion.

o Investigated catalysts for room temperature polymerization of hydrogel in organic solvents.

- Developed plasma etching of cross-linked functionalized hydrogel for protein immobilization.

o Integrated photolithography and RIE of porous and soft-materials (gels) using self-assembly.

- Developed e-beam directed layer-by-layer assembly of dendrimer scaffold for biomolecule patterning.

o Applications investigated: Nanophotonic biosensors and on-chip PCR based detection.

o Integrated bottom-up processing using e-beam ablation of SAM with specific surface chemistry.

- Developed high-voltage electrospray deposition (ESD) MEMS device for creating protein arrays.

o Investigated electrically generated liquid streams as microfluidics for multiplexed protein printing.

o Investigated suitable buffer formulations for ESD and hydrogel substrate for soft-landing.

- Initiated development on lab-on-a-chip type microfluidics DNA sequencing devices.

o Investigated additives to reduce evaporation and improve electrophoretic mobility of DNA.

o Investigated functionalized nanoparticles in polymer as nanocomposites for separation matrix.

- Developed formulations for biomolecular functionalization of carbon-nanotubes.

- Developed surface functionalization strategies for assembly of bacterial coat proteins.

- Developed novel characterization process for biotinylation of nanoparticles using patterned hydrogel.

Technical Analyst (Jan 2006) Prof. Wesley Sine, Johnson Graduate School of Management – Analyzed the role of nanotechnology (nanostructured materials) to reduce automobile manufacturing cost.



Staff Engineer
Reactive Ion Etch Development Group
Semiconductor Research & Development Center
IBM Microelectronics, Hopewell Junction, NY
2001 to 2002

Manager: Dr. Richard Wise

- Developed 1:6 aspect ratio non-SO2 and CH3F integrated etch for organic layer and BPSG 100 nm dimensions using 193 nm bilayer photoresist saving $12.0 million per year per tool.

o Collaboration – Advanced Lithography Materials Group, IBM TJ Watson Research Center.

o N2-H2-CO process improved workplace environment and downstream process yield by 20%.

o Upgraded LAM (Exelan-HPT) tool reducing man-hours by 66% and process time by 25%.

o Long term: Transferred the above process to similar tools in 300 mm fabrication line.

- Ramped up dielectric RIE for MRAM increasing yield from 10% to 95% saving $2.0 million per year.

o Lead process development with production and maintenance beyond my job responsibilities.

o Increased process window to etch barrier films (TaN, TiN, Si3N4) and SiO2 in integrated device.

o Long term: Brought an out-of-production AMAT tool back into the production line.



Co-op Engineer
Electrochemical Laboratory
Magnetoelectronics Group
IBM TJ Watson Research Center, Yorktown Heights, NY
2000

Mentor: Dr. Eugene J. O’Sullivan

- Developed integrated etch process for 50 Å magnetic film selective to 10 Å barrier in MRAM devices.

o Investigated surfactants, buffers, inorganic and long chain carboxylic acids, and role of plasma ionic species to act as catalyst in NiFe magnetic film etch.

o Integrated electrochemical etch process of magnetic film with dry etch of barrier films.

o Long term: Team effort led to the transfer of MRAM technology from research to development.



Graduate Research Assistant
Surfaces & Coatings
Dept. of Metallurgical Engineering
University of Utah, Salt Lake City, UT
1998 to 2000

- Developed portable and selective electroplating equipment by introducing innovative design.

o Investigated the use of zinc-nickel alloy coating for corrosion protection of steel.

o Investigated ion-transport through membranes under the effect of electric field.

o Eliminated environmental pollution hazard by confining the electrolyte flow.



Quality Control Engineer
Production Planning and Control (PPC) Group
Star Wire (India) Ltd., India
Mini Steel Plant
1998

- Developed PPC systems for Electric Arc Furnace, Induction Furnace, Rolling Mills, Heat Treatment, Foundry, Forging Hammer and Quality Control impacting the production of US $2.0 million per year



Development Engineer
Manufacturing Engineering Group
Samtel Color Ltd., India
Color Picture Tube Industry
1997 to 1998

- Designed and developed single implosion protection device for four products, simplifying the handling process by 75% and saving US $137,000 per year on material cost.

- In-line visual defect analysis of photolithographically patterned screen coating in color picture tube.



Metallurgical Industry & Color Picture Tube Industry 1995 to 1998

- Samtel Color Ltd., India (Color Picture Tube Industry): In-line visual defect analysis of photolithographically patterned screen coating in color picture tube. Designed and developed single implosion protection device for four products, simplifying the handling process by 75% and saving $137,000 per year on material cost. 1997 to 1998

- Star Wire (India) Ltd. (Mini Steel Plant): Developed Production Planning and Control systems for Electric Arc Furnace, Induction Furnace, Rolling Mills, Heat Treatment, Foundry, and Quality Control impacting the production of $2.0 million per year. 1998

- Visakhapatnam Steel Plant, India (Integrated Steel Plant): Developed training guide for incoming engineers in continuous casting metal breakout causes. 1996

- Uttar Pradesh Steels, India (Mini Steel Plant): Electric Arc Furnace Steel Making (7 weeks) 1996

- ISGEC (Heavy Engineering Industry): Welding (9 weeks) Foundry (4 weeks) 1995



Consulting Assignments
Technical Analyst
2006 to 2007

Role of nanotechnology (nanostructured materials) to reduce automobile manufacturing cost. Jan 2006

- Prof. Wesley Sine, Johnson Graduate School of Management, Cornell University, Ithaca, NY





EDUCATION

Ph.D. Dept. of Biomedical Engineering 2007
Cornell University, Ithaca, NY

- Thesis (tentative): Multiplexed biofunctionalized surfaces by integrated microfabrication for biosensing and cell-surface interaction.

- Ph.D. candidacy exam: Bioelectrically Powered Field-Effect Transistor; March 6, 2006.

- Minors: Materials Science and Engineering; Physiology and Biophysics, Weill Medical College; Orthopedics, Hospital for Special Surgery; Business Studies, Johnson School of Management.

- Courses: Nanobiotechnology, Mammalian Sensory Systems, Molecular Biology, Molecular & Cellular Neuroscience, Neurophysiology lab, Genetics Engineering, Biophysical Chemistry, Drug Delivery.

- Teaching assistant for Spring 2003 and Fall 2004.

- Mentored one graduate and two undergraduate students on research projects.



M.S. Dept. of Metallurgical Engineering 2001
University of Utah, Salt Lake City, UT

- Thesis: Electrodeposition of Zn-Ni alloy coatings outside conventional electroplating baths.

- Courses: Electrochemistry, Colloidal Science, Surface Analysis, Coating Techniques, Alloys.

- Teaching assistant for Fall 1998 and Spring 1999.



B.S. Dept. of Metallurgical Engineering 1997
Regional Engineering College Warangal (RECW), [National Institute of Technology Warangal (NITW)]

- Project: Study of breakouts in continuous casting machines in Vishakapatnam Steel Plant.

- Courses: Physical Metallurgy, Mechanical Metallurgy, Process Metallurgy.





PROFESSIONAL DEVELOPMENT TRAINING

- Johnson Graduate School of Management, Cornell University, 2006:
o Management of Innovation & Technology, Global Technology Innovation & Commercialization

- IBM Microelectronics, 2001: Fundamentals and Principles of Plasma Processes

- Samtel Color Ltd, 1997: Personal and Inter-Personal Skills, Statistical Process & Quality Control





AWARDS

2002 – Qualified for IBM First Invention Plateau Award.

1997 – Second Best All-rounder Student – among 1500 graduating students of RECW, India.

1995 – Most Innovative Idea – national level at Indian Institute of Technology (IIT), Kanpur, India.

1995 – Gold Medal – national level at Institution of Engineers (India).





AFFILIATIONS

Materials Research Society, Biomedical Engineering Society, Electrochemical Society





OTHER INTERESTS

Bonsai, Outdoors, Cooking.





PATENTS & DISCLOSURES

1) Bhatnagar, P.; Batt, C.A. (Cornell University). Method to create biologically functionalized patterns for nanofabricated biosensors. Invention Disclosure Docket 3870 (March 14, 2006).

2) Bhatnagar, P.; Batt, C.A. (Cornell University). Two complementary methods to create protein functionalized micron size hydrogel patterns for biosensors using CMOS microfabrication techniques. Invention Disclosure Docket 3869 (March 14, 2006).

3) America, W.G.; Bhatnagar, P.; O'Sullivan, E.J.; Wise, R.S. (IBM Corp., USA). Method for improving etch selectivity effects in dual damascene processing for semiconductor interconnect. U.S. Pat. Appl. Publ. (2004), US 2004175934.

4) Bhatnagar, P. (IBM Corp., USA). Apparatus for electroplating alloy films. U.S. Pat. Appl. Publ. (2002), US 6482298.

5) Bhatnagar, P. (IBM Corp., USA). Method and apparatus for electroplating alloy films. U.S. Pat. Appl. Publ. (2002), US 6344124.

6) Bhatnagar, P. (IBM Corp., USA). Method and apparatus for electroplating alloy films. U.S. Pat. Appl. Publ. (2002), US 6344123.





PUBLICATIONS

Published:

1) P. Bhatnagar. Multiplexed electrospray deposition for protein microarray with micromachined silicon device. Applied Physics Letters (accepted).

2) P. Bhatnagar, A.D. Strickland, I. Kim, G.G. Malliaras, C.A. Batt. Integrated reactive ion etching to pattern cross-linked hydrophilic polymer structures for protein immobilization. Applied Physics Letters, 90, 144107 (2007).

3) P. Bhatnagar, S. Panda, N. Edleman, S. Allen, A. Mahorowala, R. Wise. Controlling line-edge-roughness and reactive ion etch lag in sub-150 nm features in borophosphosilicate glass. Journal of Applied Physics, 101, 076102 (2007).

4) P. Bhatnagar, S. Panda, N. Edleman, S. Allen, A. Mahorowala, R. Wise. Integrated non-SO2 underlayer and improved line-edge-roughness dielectric etch process using 193 nm bilayer resist. Applied Physics Letters, 88, 231501 (2006).

5) S.S. Mark, M. Bergkvist, P. Bhatnagar, C. Welch, A.L. Goodyear, X. Yang, E.R. Angert and C.A. Batt. Thin film processing using S-layer proteins: biotemplated assembly of colloidal gold etch masks on chemically modified silicon surfaces for fabrication of semiconductor nanopillar arrays. Colloids and Surfaces B: Biointerfaces (accepted).

6) S.S. Mark, M. Bergkvist, X. Yang, L.M. Teixeira, P. Bhatnagar, E.R. Angert, C.A. Batt. Bionanofabrication of metallic and semiconductor nanoparticle arrays using S-layers protein lattices with different lateral spacings and geometries. Langmuir, 22 (8) 3763-3774 (2006).

7) P. Bhatnagar, S.S. Mark, I. Kim, H. Chen, B. Schmidt, M. Lipson, C.A. Batt. Dendrimer scaffold based electron beam patterning of biomolecules. Advanced Materials, 18 (3) 315-319 (2006).

8) P. Bhatnagar, M.L. Free. Selective electrodeposition of zinc-nickel alloy through porous medium. Surfaces and Coatings Technology, 200 (20-21) 6083-6087 (2006).

Submitted:

9) P. Bhatnagar, J. Kameoka. Protein functionalized hydrogel micro patterns for cell-surface interaction. Advanced Materials.

10) P. Bhatnagar, D. Kirui, G.G. Malliaras, S.C. Blanchard, L.J. Bonassar, C.A. Batt. Multiplexed proteins patterns on photosensitive hydrophilic polymer matrix. Angewandte Chemie-International Edition.

11) P. Bhatnagar, N. Niamsiri, E. Mathew, A. Nixon, C.A. Batt. Directed Micro Patterning of Mouse Embryonic Fibroblast Cells through Photolithographically Patterned Fibronectin. Advanced Materials.

Conferences:

12) P. Bhatnagar, D. Kirui, G.G. Malliaras, S.C. Blanchard, L.J. Bonassar, C.A. Batt. Immobilization of multiple proteins on photosensitive hydrogel surface. Materials Research Society; MRS Spring 2007, San Francisco, CA, USA, April 9-13, 2007. [Talk]

13) S. Sotiropoulou, D. Rey, N. Niamsiri, P. Bhatnagar, C.A. Batt. Carbon nanotube – protein conjugates: towards biomedical applications. Gordon Biointerface Science, Les Diablerets, Switzerland, October 22-27, 2006. [Poster]

14) P. Bhatnagar, S.S. Mark, I. Kim, H. Chen, B. Schmidt, M. Lipson, C.A. Batt. E-beam Directed Layer-by-Layer Assembly of Dendrimer Scaffold for Biomolecule Patterning. Materials Research Society Proceedings Vol. 921; MRS Spring 2006, San Francisco, CA, USA, April 17-21, 2006. [Talk]

15) P. Bhatnagar. Growth of Powder Metallurgy for Economic Development. The Institution of Engineers (India), Students’ Chapter Newsletter. July 1996, 1-4, 1996. [Talk]

16) P. Bhatnagar. Superconductors – Design, Present and Future Applications. Composit ’96, IIT Kharagpur, India. January 14, 1996. [Talk]

17) P. Bhatnagar. Generation of Electricity from Thunderstorms and Lightning. Product of Future, Techkriti ’95, IIT Kanpur, India, April 7-9, 1995. [Poster + Proposal report]


Updated: 2007-06-23