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THE BLOG OF SAHAR SADAT MAHSHID
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  • PUBLICATIONS
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Publication categories

Inner ear proteins biosensor

Diagram showing cellular targeting for hearing and balance dysfunction.

Development of a novel electrochemical immuno-biosensor for circulating biomarkers of the inner ear

(1) electrochemical Steric Hinderance Hybridization Assay

  • The eSHHA pentagology
  • PeSHHA
  • CeSHHA
  • ASHHA
  • eSHHA enhancement
  • eSHHA

PeSHHA platform

Bar graph comparing electrochemical current for HIV negative and positive samples.

Peptide-Mediated Electrochemical Steric Hindrance Assay for One-Step Detection of HIV Antibodies

CeSHHA platform

Illustration of small molecule binding affecting sensor current response.

Electrochemical DNA-Based Immunoassay That Employs Steric Hindrance To Detect Small Molecules Directly in Whole Blood

ASHHA platform

ASHHA platform

Steric Hindrance Assay for Secreted Factors in Stem Cell Culture

eSHHA enhancement

Illustration of molecular interactions on surfaces.

Biomolecular Steric Hindrance Effects Are Enhanced on Nanostructured Microelectrodes

eSHHA platform

Diagram showing steric hindrance effects with and without target protein and protein interaction impacting current over time.

A Highly Selective Electrochemical DNA-Based Sensor That Employs Steric Hindrance Effects to Detect Proteins Directly in Whole Blood

(2) Materials and Device Innovations

for 

  • rapid point-of-care diagnosis
  • fast reliable readout
  • sensitive and specific signal

MoS2/Au Composite

Diagram of Peony-like 3D MoS2 fabrication and its glucose sensing application.

Nanopattern-Assisted Direct Growth of Peony-like 3D MoS2/Au Composite for Nonenzymatic Photoelectrochemical Sensing

Gold/Graphene Microfluidic Device

Hierarchical Nanostructured Microfluidic Device
Red vintage Cadillac coupe with shiny chrome details and whitewall tires.

under review

Hierarchical Nanostructured Microfluidic Device

Hierarchical Nanostructured Microfluidic Device
Hierarchical Nanostructured Microfluidic Device

A Hierarchical 3D Nanostructured Microfluidic Device for Sensitive Detection of Pathogenic Bacteria

Image‐reversal Soft Lithography

Hierarchical Nanostructured Microfluidic Device
Hierarchical Nanostructured Microfluidic Device

Image‐Reversal Soft Lithography: Fabrication of Ultrasensitive Biomolecular Detectors

Pt/Ni-Co NWs

Shrub-like nanostructures on TiO2 NTs

Electrodeposition and electrocatalytic properties of Pt/Ni–Co nanowires for non-enzymatic glucose detection

Shrub-like nanostructures on TiO2 NTs

Shrub-like nanostructures on TiO2 NTs

A Well-Dispersed Pt/Ni/TiO2 Nanotubes Modified Electrode as an Amperometric Non-Enzymatic Glucose Biosensor

Pd/Pt/Au NPs on TiO2 NTs

Pd/Pt/Au NPs on TiO2 NTs

Sensitive determination of dopamine in the presence of uric acid and ascorbic acid using TiO2nanotubes modified with Pd, Pt and Au nanoparticles

Co–Ni/Cu MLs

Pd/Pt/Au NPs on TiO2 NTs

A study on the kinetics of Co–Ni/Cu multilayer electrodeposition in sulfate solution

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(3) Mechanisms and Controls

All-atom Molecular Dynamics Simulation

High-Curvature Nanostructuring Enhances Probe Display for Biomolecular Detection

Controlling Kinetics of Electrodeposition

Controlling Kinetics of Electrodeposition

Mechanistic Control of the Growth of Three-Dimensional Gold Sensors

List of selected Publications

  • Nanopattern-Assisted Direct Growth of Peony-like 3D MoS2/Au Composite for Non-Enzymatic Photoelectrochemical Sensing, M Jalali, R Siavash Moakhar, T AbdElFatah, E Filine, SS Mahshid, S Mahshid, ACS Applied Materials & Interfaces, 2020


  • A review on recent advancements in electrochemical biosensing using carbonaceous nanomaterials, A Sanati, M Jalali, K Raeissi, F Karimzadeh, M Kharaziha, SS Mahshid, S Mahshid, Microchimica Acta 186 (12), 773, 2019


  • Peptide-mediated electrochemical steric hindrance assay for one-step detection of HIV antibodies, SS Mahshid, S Mahshid, A Vallée-Bélisle, SO Kelley, Analytical chemistry 91 (8), 4943-4947, 2019


  • A hierarchical 3D nanostructured microfluidic device for sensitive detection of pathogenic bacteria, Mahsa Jalali, Tamer AbdelFatah, Sahar Sadat Mahshid, Mahmoud Labib, Ayyappasamy Sudalaiyadum Perumal, Sara Mahshid, Small 14 (35), 1801893, 2018


  • Biomolecular steric hindrance effects are enhanced on nanostructured microelectrodes, SS Mahshid, A Vallée-Bélisle, SO Kelley, Analytical chemistry 89 (18), 9751-9757, 2017


  • Electrochemical DNA-based immunoassay that employs steric hindrance to detect small molecules directly in whole blood, SS Mahshid, F Ricci, SO Kelley, A Vallée-Bélisle, ACS sensors 2 (6), 718-723, 2017


  • Steric hindrance assay for secreted factors in stem cell culture, Wendi Zhou, Sahar S Mahshid, Weijia Wang, Alexis Vallée-Bélisle, Peter W Zandstra, Edward H Sargent, Shana O Kelley, ACS sensors 2 (4), 495-500, 2017


  • High-curvature nanostructuring enhances probe display for biomolecular detection, P De Luna, SS Mahshid, J Das, B Luan, EH Sargent, SO Kelley, R Zhou, Nano letters 17 (2), 1289-1295, 2017


  • Mechanistic control of the growth of three-dimensional gold sensors, Sara Mahshid, Adam H Mepham, Sahar Sadat Mahshid, Ian B Burgess, Tina Saberi Safaei, Edward H Sargent, Shana O Kelley, The Journal of Physical Chemistry C 120 (37), 21123-21132, 2016


  • Image-Reversal Soft Lithography: Fabrication of Ultrasensitive Biomolecular Detectors, TS Safaei, J Das, SS Mahshid, PM Aldridge, EH Sargent, SO Kelley, Adv. Healthcare Mater 5 (8), 893-899, 2016


  • A highly selective electrochemical DNA-based sensor that employs steric hindrance effects to detect proteins directly in whole blood, SS Mahshid, S Camiré, F Ricci, A Vallée-Bélisle, Journal of the American Chemical Society 137 (50), 15596-15599, 2015


  • Electrodeposition and electrocatalytic properties of Pt/Ni–Co nanowires for non-enzymatic glucose detection, SS Mahshid, S Mahshid, A Dolati, M Ghorbani, L Yang, S Luo, Q Cai, Journal of alloys and compounds 554, 169-176, 2013


  • Template-based electrodeposition of Pt/Ni nanowires and its catalytic activity towards glucose oxidation, SS Mahshid, S Mahshid, A Dolati, M Ghorbani, L Yang, S Luo, Q Cai, Electrochimica Acta 58, 551-555, 2011


  • The Pt/Ni modified TiO2 nanotubes and its catalytic activity toward glucose, Sahar S Mahshid, Sara Mahshid, Ahmad Ghahremaninezhad, Abolghasem Dolati, Mohammad Ghorbani, Shenglian Luo, Lixia Yang, Qingyun Cai, ECS Transactions 35 (35), 63, 2011


  • A well-dispersed Pt/Ni/TiO2 nanotubes modified electrode as an amperometric non-enzymatic glucose biosensor, SS Mahshid, S Luo, L Yang, S Mahshid, A Dolati, M Ghorbani, Q Cai, Sensor letters 9 (5), 1598-1605, 2011


  • Carbon-Pt Nanoparticles Modified TiO2 Nanotubes for Simultaneous Detection of Dopamine and Uric Acid, S Mahshid, S Luo, L Yang, SS Mahshid, M Askari, A Dolati, Q Cai, Journal of nanoscience and nanotechnology 11 (8), 6668-6675, 2011


  • Sensitive determination of dopamine in the presence of uric acid and ascorbic acid using TiO2 nanotubes modified with Pd, Pt and Au nanoparticles, S Mahshid, C Li, SS Mahshid, M Askari, A Dolati, L Yang, S Luo, Q Cai, Analyst 136 (11), 2322-2329, 2011


  • Electrodeposition of Platinum Nanowires: Electrochemical Characterization, SS Mahshid, A Dolati, SH Daryan, M Ghorbani, A Ghahramaninezhad, ECS Transactions 28 (18), 25, 2010


  • An Investigation on the Electrochemical Behavior of the Co/Cu Multilayer System, SS Mahshid, A Dolati, Journal of nanoscience and nanotechnology 10 (9), 5964-5970, 2010


  • Morphology and hydrogen sensing studies of the electrodeposited nanostructure palladium on porous silicon, FR Astaraie, NS Taghavi, D Abbaszadeh, A Dolati, SS Mahshid, Int. J. Nanotechnol. 6, 892-901, 2009


  • A study on the electrodeposition mechanism of cobalt-nickel/copper multilayer from sulfate solution, SS Mahshid, A Dolati, International Journal of Modern Physics B 22 (18n19), 3046-3059, 2008


  • A study on the kinetics of Co–Ni/Cu multilayer electrodeposition in sulfate solution, A Dolati, SS Mahshid, Materials Chemistry and Physics 108 (2-3), 391-396, 2008


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