Browse by IITH Authors

Article

Singh, Amandeep and Pati, Falguni and John, Renu (2022) Quantifying viscosity and elasticity using holographic imaging by Rayleigh wave dispersion. Optics Letters, 47 (9). ISSN 0146-9592

Singh, Amandeep and Pati, Falguni and John, Renu and et al, . (2022) Surface wave elastography using high speed full-field optical interferometry. Biomedical Physics & Engineering Express, 8 (2). ISSN 2057-1976

Alvi, Syed Baseeruddin and Rajalakshmi, P. S. and Jogdand, Anil and Sanjay, Ambekar Yogeshwari and B., Veeresh and John, Renu and Rengan, Aravind Kumar (2021) Iontophoresis mediated localized delivery of liposomal gold nanoparticles for photothermal and photodynamic therapy of acne. Biomaterials Science, 9 (4). pp. 1421-1430. ISSN 2047-4830

Chameettachal, Shibu and Puranik, Charuta J and Veluthedathu, Mohamed Nijas and Chalil, Najathulla Bhagavathi and John, Renu and Pati, Falguni (2021) Thickening of Ectatic Cornea through Regeneration Using Decellularized Corneal Matrix Injectable Hydrogel: A Strategic Advancement to Mitigate Corneal Ectasia. ACS Applied Bio Materials, 4 (9). pp. 7300-7313. ISSN 2576-6422

Gurram, Hanu Phani Ram and Galande, Ashwini S. and John, Renu (2020) Nanometric depth phase imaging using low-cost on-chip lensless inline holographic microscopy. Optical Engineering, 59 (104105). ISSN 0091-3286

Gurram, Hanu Phani Ram and Panta, Prashanth and John, Renu and et al, . (2020) Digital holographic microscopy for quantitative and label-free oral cytology evaluation. Optical Engineering, 59 (2). ISSN 0091-3286

Singh, N and Ghori, Inayathullah and John, Renu and et al, . (2020) Dual-modality microfluidic biosensor based on nanoengineered mesoporous graphene hydrogels. Lab on a Chip, 20. pp. 760-777. ISSN 1473-0197

Ghori, Inayathullah and John, Renu and Mohan, C Krishna and et al, . (2020) Echocardiogram Analysis using Motion Profile Modeling. IEEE Transactions on Medical Imaging, 39 (5). pp. 1-8. ISSN 0278-0062

Ramachandran, Sivakumar and Strisciuglio, Nicola and John, Renu and et al, . (2020) U-COSFIRE filters for vessel tortuosity quantification with application to automated diagnosis of retinopathy of prematurity. Neural Computing and Applications. ISSN 0941-0643

Ramachandran, Sivakumar and Kochitty, Shymol and Vinekar, Anand and John, Renu and Thampi, Sabu M. and El-Alfy, El-Sayed M. and Trajkovic, Ljiljana (2020) A fully convolutional neural network approach for the localization of optic disc in retinopathy of prematurity diagnosis. Journal of Intelligent & Fuzzy Systems, 38 (5). pp. 6269-6278. ISSN 10641246

Singh, Nawab and Rai, Prabhakar and Ali, Md Azahar and Kumar, Rudra and Sharma, Ashutosh and Malhotra, B. D. and John, Renu (2019) Hollow-nanospheres-based microfluidic biosensors for biomonitoring of cardiac troponin I. Journal of Materials Chemistry B. ISSN 2050-750X

Poola, Praveen Kumar and Jayaraman, Varshini and John, Renu (2018) Quantitative label-free technique for morphological evaluation of human sperm—a promising tool in semen evaluation. OSA Continuum, 1 (4). p. 1215. ISSN 2578-7519

Ali, M A and John, Renu and Agrawal, V V and et al, . (2018) A Study on Heterogeneous Electron Charge-Transfer Processes at Redox-Active Chitosan Modified Carbon Nanotubes Film-Coated Electrodes Using AC Impedance technique. Experimental Fluid Mechanics.

Ali, Md A and Singh, C and Srivastava, S and Admane, P and Agrawal, V V and Sumana, G and John, Renu and Panda, A and Dong, L and Malhotra, B D (2017) Graphene oxide–metal nanocomposites for cancer biomarker detection. RSC Advances, 7 (57). pp. 35982-35991. ISSN 2046-2069

John, Renu and Khare, Kedar and Pandiyan, Vimal Prabhu (2017) High resolution near on-axis digital holography using constrained optimization approach with faster convergence. Optical Engineering, 56 (09). p. 1. ISSN 0091-3286

John, Renu and Poola, Praveen Kumar (2017) Label-free nanoscale characterization of red blood cell structure and dynamics using single-shot transport of intensity equation. Journal of Biomedical Optics, 22 (10). pp. 1-8. ISSN 1083-3668

Singh, Nawab and Ali, Md. Azahar and Rai, Prabhakar and Sharma, Ashutosh and Malhotra, B. D. and John, Renu (2017) Microporous Nanocomposite Enabled Microfluidic Biochip for Cardiac Biomarker Detection. ACS Applied Materials & Interfaces. ISSN 1944-8244 (In Press)

Singh, N and Ali, M A and Suresh, K and Agrawal, V V and Rai, P and Sharma, A and Malhotra, B D and John, Renu (2016) In-situ electrosynthesized nanostructured Mn3O4-polyaniline nanofibers- biointerface for endocrine disrupting chemical detection. Sensors and Actuators B: Chemical, 236. pp. 781-793. ISSN 0925-4005

Pandiyan, V P and John, Renu (2016) Optofluidic bioimaging platform for quantitative phase imaging of lab on a chip devices using digital holographic microscopy. Applied Optics, 55 (3). A54-A59. ISSN 1559-128X

Pandiyan, V P and Khare, K and John, Renu (2016) Quantitative phase imaging of live cells with near on-axis digital holographic microscopy using constrained optimization approach. Journal of Biomedical Optics, 21 (10). p. 106003. ISSN 1083-3668

Ali, M A and Srivastava, S and Agrawal, V V and Willander, M and John, Renu and Malhotra, B D (2016) A biofunctionalized quantum dot–nickel oxide nanorod based smart platform for lipid detection. Journal of Materials Chemistry B, 4 (15). pp. 2706-2714. ISSN 2050-750X

G, Hanu Phani Ram and Pandiyan, V P and John, Renu (2015) Low cost microscopy for three dimensional imaging using digital inline holographic principle. International Journal of Research in Engineering and Technology, 42 (12). pp. 66-68. ISSN 2321-7308

Ali, Md. A and Solanki, P R and Srivastava, S and Singh, S and Agrawal, V V and John, Renu and Malhotra, B D (2015) Protein Functionalized Carbon Nanotubes-based Smart Lab-on-a-Chip. ACS Applied Materials and Interfaces, 7 (10). pp. 5837-5846. ISSN 1944-8244

Azahar Ali, Md and Kamil Reza, K and Srivastava, S and Agrawal, V V and John, Renu and Malhotra, B D (2014) Lipid–Lipid Interactions in Aminated Reduced Graphene Oxide Interface for Biosensing Application. Langmuir, 30 (14). pp. 4192-4201. ISSN 0743-7463

Ali, M A and Srivastava, S and Mondal, K and Chavhan, P M and Agrawal, V V and John, Renu and Sharma, A and Malhotra, B D (2014) A surface functionalized nanoporous titania integrated microfluidic biochip. Nanoscale (6). pp. 13958-13969. ISSN 2040-3364

Kumar, S and Ali, M A and Anand, P and Agrawal, V V and John, Renu and Maji, S and Malhotra, B D (2013) Microfluidic-Integrated Biosensors: Prospects for Point-Of-Care Diagnostics. Biotechnology Journal, 8 (11). pp. 1267-1279. ISSN 1860-6768

John, Renu and Adie, S G and Chaney, E J and Marjanovic, M and Tangella, K V and Boppart, S A (2013) Three-dimensional optical coherence tomography for optical biopsy of lymph nodes and assessment of metastatic disease. Annals of Surgical Oncology, 20 (11). pp. 3685-2693. ISSN 1068-9265

Md, Azahar Ali and Srivastava, S and Solanki, P R and Reddy, V and Agrawal, V V and Kim, C and John, Renu and Malhotra, B D (2013) Highly efficient bienzyme functionalized nanocomposite-based microfluidics biosensor platform for biomedical application. Scientific Reports, 3 (2661). pp. 1-9. ISSN 2045-2322

Md, Azhar Ali and Solanki, P R and Patel, M K and Dhayani, H and Agrawal, V V and John, Renu and Malhotra, B D (2013) A highly efficient microfluidic nano biochip based on nanostructured nickel oxide. Nanoscale, 5 (7). pp. 2883-2891. ISSN 2040-3364

John, Renu and Nguyen, F T and Kolbeck, K J and Chaney, E J and Marjanovic, M and Suslick, K S and Boppart, S A (2012) Targeted Multifunctional Multimodal Protein-Shell Microspheres as Cancer Imaging Contrast Agents. Molecular Imaging and Biology, 14 (1). pp. 17-24. ISSN 1536-1632

Md, Azahar Ali and Srivastava, S and Solanki, P R and Varun Agrawal, V and John, Renu and Malhotra, B D (2012) Nanostructured anatase-titanium dioxide based platform for application to microfluidics cholesterol biosensor. Applied Physics Letters, 10 (8). pp. 1-6. ISSN 0003-6951

John, Renu and Boppart, S A (2011) Magnetomotive Molecular Nanoprobes. Current Medicinal Chemistry, 18 (14). pp. 2103-2114. ISSN 0929-8673

John, Renu and Boppart, S A (2011) Magnetomotive Molecular Nanoprobes. Current Medicinal Chemistry, 18 (14). pp. 2103-2114. ISSN 09298673

Book Section

Panta, Prashanth and Lu, Chih-Wei and Kumar, Piyush and Ho, Tuan-Shu and Sheng-Lung, Huang and Kumar, Pawan and C, Murali Krishna and K, Divakar Rao and John, Renu (2019) Optical Coherence Tomography: Emerging in Vivo Optical Biopsy Technique for Oral Cancer. In: Oral Cancer Detection. Springer. ISBN 9783319612553

Conference or Workshop Item

Kumar, Pawan and Nijas, Mohamed and John, Renu and et al, . (2022) In vivo compound eye imaging using full-field optical coherence tomography. In: Unconventional Optical Imaging III 2022, 9 May 2022 through 20 May 2022, Virtual, Online.

Nijas, Mohamed and Kumar, Pawan and Vijay, Aswathy and John, Renu (2022) OCT-assisted needle for epidural injection. In: Unconventional Optical Imaging III 2022, 9 May 2022 through 20 May 2022, Virtual, Online.

Singh, Amandeep and John, Renu and Nasution, Aulia M. and Wahyuono, Ruri Agung and Hatta, Agus M. (2021) Elastography measurement for soft material using digital holography. In: 4th International Seminar on Photonics, Optics, and Its Applications, ISPhOA 2020, 1-2 December 2020.

Galande, A.S. and Thapa, V. and Ram, H.P. and John, Renu (2021) Untrained neural network with explicit denoiser for lensless inline holographic microscopy. In: Computational Optical Sensing and Imaging, COSI 2021 - Part of OSA Imaging and Applied Optics Congress 2021, 19 July 2021through 23 July 2021, Virtual, Online.

Ghori, I. and Thapa, V. and John, Renu (2021) X-ray phase contrast imaging of coronary arteries. In: Bio-Optics: Design and Application, BODA 2021 - Part of Biophotonics Congress: Optics in the Life Sciences 2021, 12 April 2021through 16 April 2021, Virtual, Online.

Panta, Prashanth and Kumar, Pawan and John, Renu and et al, . (2020) A-scan spectral intensity profile in OCT as a potential imaging biomarker of oral precancerous and cancerous tissues. In: Proceedings Volume 11217 : Lasers in Dentistry XXVI, 1-6 February 2020, California, United States.

Panta, Prashanth and Ram, G Hanu Phani and John, Renu (2019) Label-free analysis of Oral Cytology Specimens through Digital Holographic Microscopy and Deep-Neural Networks. In: Digital Holography and Three-Dimensional Imaging 2019, 19–23 May 2019, Bordeaux, France.

Poola, Praveen Kumar and Pandiyan, Vimal Prabhu and Rath, Subha Narayan and John, Renu (2019) Single-shot fluorescence quantitative phase microscopy using Transport of Intensity Equation. In: Digital Holography and Three-Dimensional Imaging 2019, 19–23 May 2019, Bordeaux, France.

Ram, G Hanu Phani and Bansode, Vaibhav and John, Renu (2018) Lensless holographic microscope of biological samples. In: Computational Optical Sensing and Imaging, 25–28 June 2018, Florida, United States.

Popescu, Gabriel and Georges, Marc P and John, Renu (2018) Quantitative phase imaging of low-cost digital in-line holography in comparison with off-axis digital holographic microscopy. In: Proceedings of SPIE 10677, Unconventional Optical Imaging, 106773C, 22-26 April 2018, Strasbourg, France.

Bansode, Vaibhav and John, Renu (2017) Characterization of microstructures using white light diffraction phase microscopy. In: IEEE International Conference on Power, Control, Signals and Instrumentation Engineering, 20th June 2018, Chennai India.

R, Sivakumar and V, Veena and John, Renu (2017) A Curvature Based Approach for the Automated Screening of Retinopathy of Prematurity in Preterm Infants. In: 13th International Conference on Signal-Image Technology and Internet-Based Systems, SITIS 2017, 4-7 December 2017, Jaipur, India.

John, Renu and J, Sivaraman (2017) Effects of sinus rhythm on atrial ECG components using modified limb lead system. In: 4th IEEE International Conference on Signal Processing, Computing and Control, ISPCC 2017, 21- 23 September, 2017, Solan; India.

Sivakumar, R and Eldho, Manu and Jiji, C V and Vinekar, Anand and John, Renu (2016) Computer aided screening of retinopathy of prematurity — A multiscale Gabor filter approach. In: 6th International Symposium on Embedded Computing and System Design, ISED, 15-17 December 2016, IIT Patna, Bihar.

Sivakumar, R and Eldho, Manu and John, Renu (2016) Diagnosis of plus diseases for the automated screening of retinopathy of prematurity in preterm infants. In: 11th International Conference on Industrial and Information Systems (ICIIS), 3-4 December 2016, Roorkee, India.

Popescu, Gabriel and Park, YongKeun and Pandiyan, V P and Khare, K and John, Renu (2016) High resolution quantitative phase imaging of live cells with constrained optimization approach. In: SPIE BiOS, March, 2016. (In Press)

Popescu, Gabriel and Park, YongKeun and Poola, Praveen Kumar and Pandiyan, V P and Jayaraman, Varshini and John, Renu (2016) Quantitative label-free sperm imaging by means of transport of intensity. In: Quantitative Phase Imaging II, February 13, 2016, Gabriel Popescu; YongKeun Park San Francisco, California, United States.

Pandiyan, V P and John, Renu (2015) Imaging cell division in E-coli using white light diffraction phase microscopy. In: Workshop on Recent Advances in Photonics, WRAP, 16-17 December, 2015, Indian Institute of Science (IISc), Bangalore.

Poola, P K and Pandiyan, V P and John, Renu (2015) Non-interferometric quantitative phase imaging of yeast cells. In: SPIE Proceedings (Microscopic Imaging), 9 December, 2015, Japan.

Poola, P K and Pandiyan, V P and John, Renu (2015) Quantitative imaging of yeast cells using transport of intensity equation. In: Workshop on Recent Advances in Photonics, WRAP, 16-17 December, 2015, Indian Institute of Science (IISc), Bangalore.

Pandiyan, V P and John, Renu (2015) Quantitative phase imaging of cell division in yeast cells and E.coli using digital holographic microscopy. In: SPIE Proceedings (Optical Coherent Tomography III), 9 December, 2015, Japan.

Ram, G HanuPhani and Prabhu, P Vimal and John, Renu (2014) synthetic aperture digital holographic Microscopy. In: International Conference on Photonics, VLSI and Signal Processing- ICPVS, 28-29 March 2014, Warangal, India.

Prabhu, P V and John, Renu (2014) Characterisation of Microstructures using Digital Holographic Microscopy. In: Workshop on paper, 5-8 March 2014, dehradun.

G, Hanu Phani Ram and P, Vimal Prabhu and John, Renu (2014) 3D reconstruction of E.Coli bacteria using synthetic aperture digital holographic microscopy. In: International Conference on Fibre Optics and Photonics, 13-16 December, 2014, Kharagpur; India.

Patel, Narendra and John, Renu (2014) Intra-retinal layer segmentation of OCT image. In: International Conference on Photonics, VLSI and Signal Processing-ICPVS, 28-29 March 2014, Warangal, India.

Pandiyan, Vimal Prabhu and John, Renu (2014) Quantitative Phase imaging of Live Yeast cells using Digital Holographic Microscopy. In: International Conference on Fibre Optics and Photonics, 13-16 December, 2014, Kharagpur; India.

P, Vimal Prabhu and John, Renu (2014) Quantitative phase imaging of live yeast cells using digital holographic microscopyc. In: International Conference on Fibre Optics and Photonics, 13-16 December, 2014, Kharagpur; India.

Prabhu, P V and Ali, Md Azahar and John, Renu (2013) Quantitative phase imaging of microfluidic devices using Digital holographic microscopy. In: India-Japan Workshop on biomolecular electronics & organic nanotechnology for environment Preservation, 13-15 december 2013, New Delhi, India.

Prabhu, P V and John, Renu (2013) Quantitative phase visualization and aberration correction using digital holographic microscope. In: 2013 Workshop on Recent Advances in Photonics, 17-18 December, 2013, New Delhi; India.

Prabhu, P Vimal and John, Renu (2013) Quantitative phase visualization and aberration correction using digital holographic microscope. In: Workshop on Recent Advances in Photonics (WRAP), 17-18 December 2013, New Delhi, India.

Boppart, S A and John, Renu and Marjanovic, M (2012) Assessment of the Progression of Lymph Node Metastases using Three-dimensional Optical Coherence Tomography. In: American Association for Cancer Research (AACR), 31 March-April 2012, Illinois, Chicago.

Vasilica, Crecea and Steven, Adie and John, Renu and et al, . (2012) Optical measurements of mechanical resonances in biological tissues via magnetic nanoparticle interrogation. In: American Physical Society (APS) Meeting, 21-25 March 2012, Texas, USA..

Ali, M and Parlapalli, R and John, Renu and Boppart, S A (2011) Low power real time signal processing engine for optical coherence tomography systems using multi-core digital signal processor. In: Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XV, 24-26, January 2011, San Francisco, CA; United States.

Ali, M A and Solanki, P R and John, Renu and et al, . (2011) MWCNT Doped Nanostructured NiO for Total Cholesterol Detection Based on Microfluidic Platform. In: India Japan Biomolecular Electronics and Organic Nanotechnology for Environment Preservation, 7-10 December 2011, Himeji, Japan..

Fujimoto, James G. and Liang, Xing and John, Renu and et al, . (2011) Magnetomotive optical coherence microscopy for cell dynamics and biomechanics. In: SPIE BiOS, 15 February 2011, California, United States.

John, Renu (2011) Molecular Optical Imaging. In: National Seminar on Trends in Physical Sciences, 21-22 July 2011, Kerala, India.

John, Renu and Ahmad, A and Nguyen, F T and et al, . (2011) Targeted Multi-Functional Multi-Modal Protein-Shell Microspheres for Cancer Imaging and Drug Delivery. In: Photonics West, 2011, California, USA.

John, Renu and Adie, S G and Chaney, E J and et al, . (2011) Three-Dimensional Optical Coherence Tomography for Trans-Capsule Optical Biopsy of Lymph Nodes. In: Photonics West, 2011, California, USA.

Thesis

Mallelli, Anjaneyulu and John, Renu (2019) Diffuse Optical Tomography. Masters thesis, Indian institute of technology Hyderabad.

Bhardwaj, Rahul and John, Renu (2019) Quantitative phase imaging using Transport of Intensity equation. Masters thesis, Indian institute of technology Hyderabad.

Ambekar, Yogeshwari Sanjay and John, Renu (2018) ALGORITHMS FOR OPTICAL COHERENCE TOMOGRAPHY AND ITS CLINICAL APPLICATIONS. Masters thesis, Indian Institute of Technology Hyderabad.

Poola, Praveen Kumar and John, Renu (2018) Low Coherence Quantitative Phase Microscopy and Its Clinical Applications. PhD thesis, Indian institute of technology Hyderabad.

Patent

201841013261 (2018) Apparatus and Methods for Label-Free Morphological Evaluation of Human Sperm. ..

Other

Murty, B S and John, Renu (2020) IIT-Hyderabad incubated start-up develops IoT-enabled, low-cost ventilator. FinancialExpress, Hyderabad.

John, Renu (2019) IIT-H calls for entries for CfHE fellowship in healthcare sector. The Hindu Businessline, Hyderabad.

John, Renu and IIT, Hyderabad (2019) IIT Hyderabad fabricates device for early diagnosis of heart attack. The Hindu.

John, Renu (2019) ఐఐటీ హైదరాబాద్ స్టార్టప్‌కు 25 లక్షల రివార్డు. Namaste Telengana, Hyderabad.

John, Renu (2019) IIT Hyderabad Startup Wins Rs. 25 Lakh Funding At Innovation Challenge. NDTV, Hyderabad.

John, Renu (2019) IIT Hyderabad incubated startup, BeAble, wins Rs 25 lakh in funding. Economic Times, Hyderabad.

John, Renu (2019) IIT Hyderabad-incubated start-up ‘BeAble’ wins Rs 25 lakh as funding. India Today, Hyderabad.

John, Renu (2019) IIT-Hyderabad health startup wins Rs 25 lakh grant. Times of India, Hyderabad.

John, Renu (2019) Startup incubated in IIT-Hyderabad wins Rs 25 lakh. The New Indian Express, Hyderabad.

Pareddy, Pratyusha and John, Renu (2018) IIT-Hyderabad entrepreneur bags TiE-BIRAC award. Telangana Today, Hyderabad.