Aptamer-functionalized nanoparticles for surface immobilization-free electrochemical detection of cortisol in a microfluidic device

BJ Sanghavi, JA Moore, JL Chávez, JA Hagen… - Biosensors and …, 2016 - Elsevier
Monitoring the periodic diurnal variations in cortisol from small volume samples of serum or
saliva is of great interest, due to the regulatory role of cortisol within various physiological …

Electrospun nanofibers: A promising horizon toward the detection and treatment of cancer

S Asghari, Z Rezaei, M Mahmoudifard - Analyst, 2020 - pubs.rsc.org
Due to the increase in the number of cancer patients, because of environmental parameters,
high stress, low immunity, etc., there is an urgent need to develop cost-effective sensors for …

Electrokinetic preconcentration and detection of neuropeptides at patterned graphene-modified electrodes in a nanochannel

BJ Sanghavi, W Varhue, JL Chávez, CF Chou… - Analytical …, 2014 - ACS Publications
Neuropeptides are vital to the transmission and modulation of neurological signals, with
Neuropeptide Y (NPY) and Orexin A (OXA) offering diagnostic information on stress …

Ultrafast immunoassays by coupling dielectrophoretic biomarker enrichment in nanoslit channel with electrochemical detection on graphene

BJ Sanghavi, W Varhue, A Rohani, KT Liao… - Lab on a Chip, 2015 - pubs.rsc.org
Heterogeneous immunoassays usually require long incubation times to promote specific
target binding and several wash steps to eliminate non-specific binding. Hence, signal …

Direct in situ and real-time visualization of salt-dependent thiolated-DNA immobilization and biosensing on gold in nanofluidic channels

DK Yang, LK Yu, CT Kuo, JH Weng, T Leïchlé… - Sensors and Actuators B …, 2023 - Elsevier
Thiol-gold (Au) conjugation is perhaps the most routinely applied surface chemistry
approach to immobilize receptors within Au-based molecular sensing platforms. However …

Direct optical mapping of transcription factor binding sites on field-stretched λ-DNA in nanofluidic devices

KK Sriram, JW Yeh, YL Lin, YR Chang… - Nucleic acids …, 2014 - academic.oup.com
Mapping transcription factor (TF) binding sites along a DNA backbone is crucial in
understanding the regulatory circuits that control cellular processes. Here, we deployed a …

Ion concentration polarization (ICP) of proteins at silicon micropillar nanogaps

B Lu, MM Maharbiz - Plos one, 2019 - journals.plos.org
Fast detection of low-abundance protein remains a challenge because detection speed is
limited by analyte transport to the detection site of a biosensor. In this paper, we demonstrate …

Scalable biochip and method for making

WC Shen, LIU Yi-Shao, YH Chang… - US Patent 9,616,617, 2017 - Google Patents
BACKGROUND Biosensors are devices for sensing and detecting biomol ecules and
operate on the basis of electronic, electrochemi cal, optical, and mechanical detection …

Nanoinjection system for precise direct delivery of biomolecules into single cells

CK Yun, JW Hwang, TJ Kwak, WJ Chang, S Ha, K Han… - Lab on a Chip, 2019 - pubs.rsc.org
Intracellular delivery of functional molecules such as proteins, transcription factors and DNA
is effective and promising in cell biology. However, existing transfection methods are often …

Arrays of nanoelectromechanical biosensors functionalized by microcontact printing

S Salomon, T Leïchlé, D Dezest, F Seichepine… - …, 2012 - iopscience.iop.org
The biofunctionalization of nanoelectromechanical systems (NEMS) is critical for the
development of new classes of biosensors displaying improved performance and higher …