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Biofunctionalized Nanoneedles For The Direct And Site-selective Delivery Of Probes Into Living Cells | 7452
ISSN: 2167-7689

Pharmaceutical Regulatory Affairs: Open Access
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Biofunctionalized nanoneedles for the direct and site-selective delivery of probes into living cells

2nd International Conference and Exhibition on Pharmaceutical Regulatory Affairs

Radha Gayathri Achanta

Posters: Pharmaceut Reg Affairs

DOI: 10.4172/2167-7689.S1.007

Abstract
Nanoneedles may be conical or tubular needles in the nanometre size range, made from silicon or boron-nitride with a central bore of sufficient size to allow the passage of large molecules, or solid needles useful in Raman spectroscopy, light emitting diodes (LED) and laser diodes. Accessing the interior of live cells with minimal intrusiveness for visualizing, probing, and interrogating biological processes has been the ultimate goal of much of the biological experimental development. The recent development and use of the biofunctionalized nanoneedles for local and spatially controlled intracellular delivery brings in exciting new opportunities in accessing the interior of living cells. Here we review the technical aspect of this relatively new intracellular delivery method and the related demonstrations and studies and provide our perspectives on the potential wide applications of this new nanotechnology-based tool in the biological field, especially on its use for high-resolution studies of biological processes in living cells. Different from the traditional micropipette-based needles for intracellular injection, a nanoneedle deploys a sub-100-nm-diameter solid nanowire as a needle to penetrate a cell membrane and to transfer and deliver the biological cargo conjugated onto its surface to the target regions inside a cell. Although the traditional micropipette-based needles can be more efficient in delivery biological cargoes, a nanoneedle-based delivery system offers an efficient introduction of biomolecules into living cells with high spatiotemporal resolution but minimal intrusion and damage. It offers a potential solution to quantitatively address biological processes at the nanoscale. The nanoneedle-based cell delivery system provides new possibilities for efficient, specific, and precise introduction of biomolecules into living cells for high-resolution studies of biological processes, and it has potential application in addressing broad biological questions.
Biography
A.Radha Gayathri had completed B.Pharmacy from Vishnu College of pharmacy. She is pursuing M.Pharmacy in Gokaraju Rangaraju College of Pharmacy.
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