Publications (updated Dec-2008)

36.Probing structural stability of chromatin assembly sorted from living cells Hameed, F.M., Soni, G.V., Krishnamurthy, H.  and Shivashankar G.V. (2009). Biochemical and Biophysical Research Communication, 385, 518–522.

35. Spatio-temporal plasticity in chromatin organization in mouse cell differentiation and duringDrosophila embryogenesis Dipanjan Bhattacharya, Shefali Talwar, Aprotim Mazumder & G.V.Shivashankar (Biophysical Journal – in press09)

34. Probing the dynamic organization of transcription compartments and gene loci within the nucleus of living cells Deepak Kumar Sinha, Bidisha Banerjee, Shovamayee Maharana, & G.V.ShivashankarBiophysical Journal (2008) 95, 5432-5438 

Accompanied with a new & notable article: Dynamic Organization of Gene Loci and Transcription Compartments in the Cell Nucleus James A. Spudich Biophysical Journal (2008) 95, 5003

33. Dynamics of chromatin decondensation reveals the structural integrity of a mechanically prestressed cell nucleus T.Roopa, Aakash Basu, Aprotim Mazumder, L.Mahadevan & G.V.Shivashankar Biophysical Journal (2008) 95, 3028-3035 

32. Gold-nanoparticle-assisted laser ablation of chromatin assembly reveals unusual aspects of nuclear architecture within living cells Aprotim Mazumder & G.V.Shivashankar Biophysical Journal(2007) 93, 2209-2216

31. Thermal fluctuations in histone during denaturation K.S.Nagapriya, A.K.Raychaudhuri & G.V.Shivashankar J Nanosci Nanotechnol (2007) 7, 2125-2128

30. Simulations of SIN Mutations and Histone Variants in Human Nucleosomes Reveal Altered Protein-DNA and Core Histone Interactions M.Vijayalaxmi, G.V.Shivashankar & R.Sowdhamini J Biomol Struct Dyn (2007) 25, 207-218 

29. Trichostatin-A induces differential changes in histone protein dynamics and expression in HeLa cells Jyothsna Rao, Dipanjan Bhattacharya, Bidisha Banerjee, Apurva Sarin & G.V.ShivashankarBiochem Biophys Res Commun (2007) 363, 263-268

28. Mechanical unfolding of DNA-histone complex reveals distinct levels in its nanoscale organization . G.V.Soni, Feroz Meeran & G.V.Shivashankar Applied Physics Letters – (2007), 90, 163904

27. Direct measurement of chromatin fluidity using optical trap modulation force spectroscopy , T.Roopa & G.V.Shivashankar Biophysical Journal – (2006) 91, 4632-4637

26. Core and linker histones diffuse via distinct mechanisms within living cells Dipanjan Bhattacharya, Aprotim Mazumder, M.Anne & G.V.Shivashankar Biophysical Journal (2006), 91, 2326-2336 

25. Chromatin assembly exhibits spatio-temporal heterogeneity within the cell nucleus Bidisha Banerjee , Dipanjan Bhattacharya & G.V.Shivashankar Biophysical Journal (2006), 91, 2297-2303 (Cover page)

24. Probing mRNA conformational heterogeneity using single-molecule fluorescence anisotropy Deepak Sinha, S.Sastry & G.V.Shivashankar Applied Physics Letters (2006) 88, 3901-3903

23. Origins & implications of long-tailed distributions in gene expression , Sandeep Krishna, Bidisha Banerjee, T.V.Ramakrishnan & G.V.Shivashankar Proceedings of the National Academy of Sciences-USA (2005), 102, 4771-4776 

22. Kinetic measurement of ribosome motor stalling force Deepak Sinha , U.S.Bhalla & G.V.Shivashankar, Applied Physics Letters (2004), 85, 4789-4791

21. Probing collective dynamics of active particles using modulation force spectroscopy , G.V.Soni, G.Ananthakrishna & G.V.Shivashankar, Applied Physics Letters (2004), 85, 2414-2416

20. Dynamics of Membrane Nanotubulation and DNA Self-Assembly , T.Roopa, N.Kumar, S.Bhattacharya & G.V.Shivashankar, Biophysical Journal (2004), 87, 974-979

19. Development of single molecule tracking fluorescence microscope combined with force spectroscopy for gene expression analysis . Deepak Sinha, Dipanjan Bhattacharya, Bidisha Banerjee, Feroz Meeran & G.V.Shivashankar, Current Science, 2004, 87:239-244.

18. Tracking operator state fluctuations in gene expression in single cells . Bidisha Banerjee, S.Balasubramanian, G.Ananthakrishna, T.V.Ramakrishnan & G.V.Shivashankar Biophysical Journal(2004), 86, 3052-3059 

17. Nanomechanics of membrane tubulation and DNA assembly T.Roopa & G.V.ShivashankarApplied Physics Letters (2003), 82, 1631-1633

16. Single particle tracking of correlated bacterial dynamics G.V.Soni, B.M.Jaffar Ali, Y.Hatwalne & G.V.Shivashankar Biophysical Journal (2003), 84, 2634-2637

15. Development of an optical tweezer combined with micromanipulation for DNA & Protein nanobioscience, G.V.Soni, Feroz Meeran, T.Roopa & G.V.Shivashankar, Current Science (2002), 83, 1464-1470

14. Mesoscopic Biology G.V.Shivashankar, Pramana-Indian Journal of Physics, (2002) 58: 439-442

13. Control of the expression of anchored genes using micron scale heaters G.V.Shivashankar, S.Liu, A.Libchaber Applied Physics Letters (2000) 76:3638-3640

12. Method for linking a synthesized protein to its mRNA-DNA complex . S.Liu, Shivashankar G.V., Sano T, A.Libchaber, Biotechniques (2000) 29:792-798

11. Aspects of DNA assembly: extension, lithography and recognition . 
G.V.Shivashankar and A.Libchaber Current Science-Indian Academy of Sciences (1999) 76:813-818 

10. RecA polymerization on double-stranded DNA by using single- molecule manipulation: The role of ATP hydrolysis . 
G.V.Shivashankar, M.Feingold, O.Krichevsky and A.Libchaber Proceedings of the National Academy of Sciences-USA (1999) 96:7916-7921

9. Biomolecular recognition using submicron laser lithography 
G.V.Shivashankar and A.Libchaber Applied Physics Letters (1998) 73:417-419 

8. Backscattering from a tethered bead as a probe of DNA flexibility 
G.V. Shivashankar, G.Stolovitzky and A.Libchaber Applied Physics Letters (1998) 73:291-293

7. Single DNA molecule grafting and manipulation using a combined atomic force microscope and optical tweezers G.V.Shivashankar and A.Libchaber, Applied Physics Letters (1997) 71:3727-3729

6. Low temperature Scanning Tunneling Microscope in a high magnetic field G.V.Shivashankar, Mark Higgins, Kenn Fasenella and S.Bhattacharya NEC Technical Report (1994) TR# 94-028-2-0036

5. Normal state tunneling conductance of perovskite oxides: Implications to high Tc superconductors H.Srikanth, K.P.Rajeev, G.V.Shivashankar and A.K.Raychaudhuri Physica C (1992) 195:87-90 

4. Behaviour of power MOSFET’s at T=4.2 to 300 K R.Karunanidi, A.K.Raychaudhuri, F.Zhucs and G.V.Shivashankar Cryogenics (1991) 31:1065-1070

3. Low temperature electronic properties of a normal conducting perovskite oxide - LiNiO ₃K.P.Rajeev, G.V.Shivashankar and A.K.Raychaudhuri Solid state communications (1991) 79:591-595

2. A cryostat for point contact and tunneling measurements in a magnetic field G.V.Shivashankar and K.P.Rajeev Measurement Science and Technology (1991) 2:1031-1035

1. Observation of coulomb blockade at T=300K   G.V.Shivashankar and A.K.Raychaudhuri Pramana: Indian Journal of Physics (1990) 35:183-186 Pramana: Indian Journal of Physics (1990) 35:183-186

Patents:

A method for immobilizing and patterning biomolecules on a substrate using localized laser absorption and sub-micron lithography G.V.Shivashankar and A.Libchaber (2000) US pat.# 6139831

Gene expression control using micron scale microarray heaters G.V.Shivashankar, S.Liu and A.Libchaber (2002) US pat.# 6489106