Works (70)

Updated: November 6th, 2024 05:03

2024 journal article

A wirelessly programmable, skin- integrated thermo- haptic stimulator system for virtual reality

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 121(22).

Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 22, 2024

2024 journal article

An autonomous implantable device for the prevention of death from opioid overdose

SCIENCE ADVANCES, 10(43).

By: J. Ciatti, A. Vazquez-Guardado, V. Brings, J. Park, B. Ruyle, R. Ober, A. McLuckie, M. Talcott ...

Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 22, 2024

2024 article

Patterned wireless transcranial optogenetics generates artificial perception

Wu, M., Yang, Y., Zhang, J., Efimov, A. I., Vazquez-Guardado, A., Li, X., … Rogers, J. A. (2024, September 20).

By: M. Wu, Y. Yang, J. Zhang, A. Efimov, A. Vazquez-Guardado*, X. Li, K. Zhang, Y. Wang ...

Source: ORCID
Added: September 22, 2024

2024 journal article

Remote optogenetic control of the enteric nervous system and brain-gut axis in freely-behaving mice enabled by a wireless, battery-free optoelectronic device

BIOSENSORS & BIOELECTRONICS, 258.

By: A. Efimov*, T. Hibberd*, Y. Wang*, M. Wu*, K. Zhang*, K. Ting*, S. Madhvapathy*, M. Lee* ...

author keywords: Implantable wireless devices; Battery-free; Optogenetics; Enteric nervous system; Colon; Gut-brain axis
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 1, 2024

2023 article

A Miniaturized, Battery-Free, Wireless Wound Monitor That Predicts Wound Closure Rate Early

Garland, N. T., Song, J. W., Ma, T., Kim, Y. J., Vazquez-Guardado, A., Hashkavayi, A. B., … Bandodkar, A. J. (2023, July 21). ADVANCED HEALTHCARE MATERIALS, Vol. 7.

By: N. Garland n, J. Song*, T. Ma*, Y. Kim n, A. Vazquez-Guardado*, A. Hashkavayi n, S. Ganeshan n, N. Sharma n ...

Contributors: N. Garland n, J. Song*, T. Ma*, Y. Kim n, A. Vazquez-Guardado*, A. Hashkavayi n, S. Ganeshan n, N. Sharma n ...

author keywords: chronic wounds; diabetic ulcers; lactate sensing; wireless electronics; wound sensing
TL;DR: A miniaturized, wireless, battery‐free wound monitor that measures lactate in real‐time and seamlessly integrates with bandages for conformal attachment to the wound bed is introduced, highlighting the significance of monitoring biomarkers during the inflammation phase. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 7, 2023

2023 journal article

Bioresorbable, wireless, and battery-free system for electrotherapy and impedance sensing at wound sites

Science Advances, 9(8).

MeSH headings : Mice; Animals; Absorbable Implants; Electric Impedance; Wound Healing; Diabetes Mellitus; Disease Models, Animal; Electric Stimulation Therapy; Inflammation
TL;DR: A miniaturized wireless, battery-free bioresorbable electrotherapy system that overcomes practical engineering challenges, difficulties in removing stimulation hardware from the wound site, and absence of means to monitor the healing process create barriers to widespread clinical use. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: ORCID
Added: March 14, 2023

2023 journal article

Optogenetic activation of visual thalamus generates artificial visual percepts

ELife.

By: J. Wang*, H. Azimi*, Y. Zhao*, M. Kaeser*, P. Sánchez*, A. Vazquez-Guardado*, J. Rogers*, M. Harvey*, G. Rainer*

Source: ORCID
Added: January 25, 2024

2023 journal article

Remote control of muscle-driven miniature robots with battery-free wireless optoelectronics

Science Robotics, 8(74), eadd1053.

MeSH headings : Robotics / methods; Muscle, Skeletal / physiology; Electronics; Walking
Source: ORCID
Added: March 14, 2023

2023 journal article

Skin-integrated systems for power efficient, programmable thermal sensations across large body areas

Proceedings of the National Academy of Sciences of the United States of America, 120(6).

MeSH headings : Humans; Skin; Electronics; Thermosensing; Virtual Reality; Communication
TL;DR: A set of ideas in programmable thermal interfaces to the skin, with examples in active thermoregulation, virtual social interactions, and remote sensory perception are reported. (via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Source: ORCID
Added: March 14, 2023

2022 journal article

A transient, closed-loop network of wireless, body-integrated devices for autonomous electrotherapy

Science, 376(6596), 1006–1012.

MeSH headings : Absorbable Implants; Animals; Cardiac Pacing, Artificial; Dogs; Heart Rate; Humans; Pacemaker, Artificial; Postoperative Care / instrumentation; Rats; Wireless Technology
TL;DR: This work establishes an engineering framework for closed-loop temporary electrotherapy using wirelessly linked, body-integrated bioelectronic devices and provides a range of autonomous, rate-adaptive cardiac pacing capabilities, as demonstrated in rat, canine, and human heart studies. (via Semantic Scholar)
Source: ORCID
Added: March 14, 2023

2022 journal article

A wireless haptic interface for programmable patterns of touch across large areas of the skin

Nature Electronics, 5(6), 374–385.

TL;DR: A lightweight, flexible technology that displays vibro-tactile patterns across large areas of the skin in single units or through a wirelessly coordinated collection of them can be used to convey map directions for road navigation, translate musical tracks into tactile patterns and reconstruct tactile sensations for feedback control of robotic prosthetics. (via Semantic Scholar)
Source: ORCID
Added: March 14, 2023

2022 journal article

Challenges and opportunities in flexible, stretchable and morphable bio-interfaced technologies

National Science Review, 9(10).

By: A. Vázquez-Guardado*, Y. Yang* & J. Rogers*

Contributors: A. Vázquez-Guardado*, Y. Yang* & J. Rogers*

TL;DR: Bidirectional interfacing provides opportunities in closed-loop operation for autonomous real-time control of biochemical processes relevant for the treatment and diagnosis of diseases or for brain–machine interfaces. (via Semantic Scholar)
Source: ORCID
Added: March 14, 2023

2022 article

High performance dual-electrolyte magnesium-iodine batteries that can harmlessly resorb in the environment or in the body

Huang, I., Zhang, Y., Arafa, H. M., Li, S., Vazquez-Guardado, A., Ouyang, W., … Rogers, J. A. (2022, September 5). ENERGY & ENVIRONMENTAL SCIENCE, Vol. 15.

By: I. Huang*, Y. Zhang*, H. Arafa*, S. Li*, A. Vazquez-Guardado*, W. Ouyang*, F. Liu*, S. Madhvapathy* ...

Contributors: I. Huang*, Y. Zhang*, H. Arafa*, S. Li*, A. Vazquez-Guardado*, W. Ouyang*, F. Liu*, S. Madhvapathy* ...

UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 12, 2022

2022 journal article

Preparation and use of wireless reprogrammable multilateral optogenetic devices for behavioral neuroscience

Nature Protocols, 17(4), 1073–1096.

MeSH headings : Animals; Mice; Neurosciences; Optogenetics / methods; Wireless Technology
TL;DR: The authors present detailed procedures to fabricate, encapsulate and implant advanced wireless battery-free devices in head- and back-mounted forms in order to facilitate optogenetic experiments in freely moving rodents. (via Semantic Scholar)
Source: ORCID
Added: March 14, 2023

2022 journal article

Wireless implantable optical probe for continuous monitoring of oxygen saturation in flaps and organ grafts

Nature Communications, 13(1).

Contributors: H. Guo*, W. Bai*, W. Ouyang*, Y. Liu*, C. Wu*, Y. Xu*, Y. Weng*, H. Zang* ...

MeSH headings : Animals; Oxygen Saturation; Prostheses and Implants; Skin / diagnostic imaging; Spectroscopy, Near-Infrared / methods; Swine; Transplants
TL;DR: A miniaturized, minimally invasive, self-anchoring optical probe is developed and continuous monitoring of oxygenation is demonstrated in porcine flap and organ models to demonstrate the ability of the system to continuously measure oxygenation with high accuracy and sensitivity. (via Semantic Scholar)
Source: ORCID
Added: March 14, 2023

2022 journal article

Wireless multi-lateral optofluidic microsystems for real-time programmable optogenetics and photopharmacology

Nature Communications, 13(1).

MeSH headings : Animals; Brain / physiology; Glutamates; Mice; Neurosciences; Optogenetics / methods; Wireless Technology
TL;DR: A wireless, battery-free, programable multilateral optofluidic platform with user-selected modalities for optogenetics, pharmacology and photopharmacology that enables optogenetic and photophile experiments that require real-time precise control of light and drug delivery. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: ORCID
Added: March 14, 2023

2021 journal article

Battery-free, wireless soft sensors for continuous multi-site measurements of pressure and temperature from patients at risk for pressure injuries

Nature Communications, 12(1).

MeSH headings : Adult; Aged; Aged, 80 and over; Female; Humans; Male; Middle Aged; Biosensing Techniques / instrumentation; Biosensing Techniques / methods; Electric Power Supplies; Equipment Design; Monitoring, Physiologic; Pressure; Skin; Temperature; Thermography / instrumentation; Thermography / methods; Wireless Technology; Pressure Ulcer
TL;DR: A soft, skin-mountable sensor that can continuously provide readings via antennas mounted under bedding is introduced and clinical trials involving two hemiplegic patients and a tetraplegic patient demonstrate the feasibility, functionality and long-term stability of this technology in operating hospital settings. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2021 journal article

Biocompatible Light Guide-Assisted Wearable Devices for Enhanced UV Light Delivery in Deep Skin

Advanced Functional Materials, 31(23).

TL;DR: A skin‐integrated optoelectronic device that incorporates an array of UVA (360 nm) light emitting diodes in layouts that match those of typical lesional plaques and in designs that couple to biocompatible, penetrating polymer microneedle light waveguides to provide optical access to deep skin is introduced. (via Semantic Scholar)
Source: ORCID
Added: March 14, 2023

2021 journal article

DNA-Modified Plasmonic Sensor for the Direct Detection of Virus Biomarkers from the Blood

Nano Letters, 21(18), 7505–7511.

By: A. Vázquez-Guardado*, F. Mehta*, B. Jimenez*, A. Biswas*, K. Ray*, A. Baksh*, S. Lee*, N. Saraf*, S. Seal*, D. Chanda*

Contributors: A. Vázquez-Guardado*, F. Mehta*, B. Jimenez*, A. Biswas*, K. Ray*, A. Baksh*, S. Lee*, N. Saraf*, S. Seal*, D. Chanda*

MeSH headings : Animals; Biomarkers; Cattle; DNA; Dengue; Dengue Virus / genetics; Viral Nonstructural Proteins
TL;DR: A plasmonic biosensor is demonstrated to detect Dengue virus via its nonstructural protein NS1 biomarker, providing a rapid clinical diagnosis of infectious diseases directly from minimally processed biological samples at point of care locations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: ORCID
Added: March 14, 2023

2021 journal article

Electrochemical Bioelectronics in Drug Delivery: Effect of the Initial Gas Volume

Journal of Applied Mechanics, 89(1).

TL;DR: This work studies the refillable aspect of implantable bioelectronic systems using an analytic model for the drug delivery time established from the ideal gas law when an initial gas volume is present in the device electrolyte reservoirs and derives an analytical solution derived from the perturbation method, which agrees well with the numerical solution. (via Semantic Scholar)
Source: ORCID
Added: March 14, 2023

2021 article

Implantable LED for Optogenetics

Yang, Y., Vázquez-Guardado, A., & Rogers, J. A. (2022, January 4). Series in Display Science and Technology, pp. 115–140.

By: Y. Yang*, A. Vázquez-Guardado* & J. Rogers*

Source: ORCID
Added: March 14, 2023

2021 article

Superchiral light generation on nanoimprinted achiral plasmonic substrates for chiral drug detection

Biswas, A., Vázquez-Guardado, A., & Chanda, D. (2021, March 5). (G. Freymann, E. Blasco, & D. Chanda, Eds.). Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XIV.

By: A. Biswas*, A. Vázquez-Guardado* & D. Chanda*

Ed(s): G. Freymann, E. Blasco & D. Chanda*

TL;DR: This talk will focus on the detection of chiral drugs and biomolecules using a degenerate cavity-coupled plasmonic substrate using enantioselective chiral molecule detection that are relevant to the pharmaceutical industry. (via Semantic Scholar)
Source: ORCID
Added: March 14, 2023

2021 journal article

Three-dimensional, multifunctional neural interfaces for cortical spheroids and engineered assembloids

Science Advances, 7(12).

MeSH headings : Nervous System; Neurons
TL;DR: Classes of microfabricated 3D frameworks as compliant, multifunctional neural interfaces to spheroids and to assembloids are introduced and complex architectures and high-resolution features highlight the design versatility. (via Semantic Scholar)
Source: ORCID
Added: April 8, 2022

2021 journal article

MeSH headings : Animals; Mice; Optogenetics / instrumentation; Social Behavior; Wireless Technology / instrumentation
TL;DR: The authors introduce advanced technology for controlled wireless light delivery in optogenetics applications with real-time user programming capacity, highlighted by induction of neural synchrony to modify social behavior in mice. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2021 journal article

Wireless, battery-free, subdermally implantable platforms for transcranial and long-range optogenetics in freely moving animals

Proceedings of the National Academy of Sciences of the United States of America, 118(30).

Contributors: J. Ausra*, M. Wu*, X. Zhang*, A. Vázquez-Guardado*, P. Skelton*, R. Peralta*, R. Avila*, T. Murickan* ...

MeSH headings : Animals; Brain / physiology; Mice; Mice, Inbred C57BL; Optogenetics; Prostheses and Implants / statistics & numerical data; Transcranial Direct Current Stimulation / instrumentation; Wireless Technology / instrumentation
TL;DR: This work introduces a wireless, battery-free system that interfaces to the animal as a minimally invasive, subdermal implant capable of delivering high-intensity optogenetic light stimulation directly through the skull, without penetrating the brain, and enables new, ethologically grounded neuroscience experiments, applicable over large experimental arenas. (via Semantic Scholar)
Source: ORCID
Added: March 14, 2023

2021 journal article

TL;DR: In vitro and in vivo testing shows that the wireless, miniaturized, implantable optoelectronic catheter system incorporating optical components on the probe, encapsulated by soft biocompatible materials, offers measurement accuracy and precision equivalent to those of existing clinical standards. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2020 journal article

Recent advances in neurotechnologies with broad potential for neuroscience research

Nature Neuroscience, 23(12), 1522–1536.

By: A. Vázquez-Guardado*, Y. Yang*, A. Bandodkar* & J. Rogers*

Contributors: A. Vázquez-Guardado*, Y. Yang*, A. Bandodkar* & J. Rogers*

MeSH headings : Animals; Brain / physiology; Electric Stimulation / instrumentation; Electric Stimulation / methods; Humans; Neurosciences / methods; Neurosciences / trends; Optogenetics / trends; Pharmacology / methods; Research; Technology / trends
TL;DR: This review summarizes advances in electrical, optical and microfluidic neural interfaces with characteristics that suggest near-term potential for broad deployment to the neuroscience community. (via Semantic Scholar)
Source: ORCID
Added: April 8, 2022

2020 journal article

Stretchable, dynamic covalent polymers for soft, long-lived bioresorbable electronic stimulators designed to facilitate neuromuscular regeneration

Nature Communications, 11(1).

MeSH headings : Absorbable Implants; Animals; Disease Models, Animal; Electric Stimulation Therapy / instrumentation; Electric Stimulation Therapy / methods; Female; Humans; Materials Testing; Muscle, Skeletal / innervation; Muscle, Skeletal / physiology; Peripheral Nerve Injuries / therapy; Polyurethanes / chemistry; Rats; Regeneration; Sciatic Nerve / injuries; Sciatic Nerve / physiology; Wireless Technology / instrumentation
TL;DR: A bioresorbable dynamic covalent polymer is presented that enables reliable, long-lived operation of soft, stretchable devices of this type and demonstrates the potential of programmable long-term electrical stimulation in rodents to enhance functional muscle recovery after nerve injury. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2020 journal article

Wireless, battery-free subdermally implantable photometry systems for chronic recording of neural dynamics

Proceedings of the National Academy of Sciences of the United States of America, 117(6), 2835–2845.

MeSH headings : Animals; Brain / diagnostic imaging; Brain / physiology; Brain / surgery; Equipment Design; Magnetic Resonance Imaging; Mice; Mice, Inbred C57BL; Photometry / instrumentation; Photometry / methods; Prostheses and Implants; Wireless Technology / instrumentation
TL;DR: Highly miniaturized, wireless, battery-free, and subdermally implantable photometry systems are introduced that allow for the interrogation of neural dynamics in freely behaving subjects, without limitations set by fiber optic tethers or operational lifetimes constrained by traditional power supplies. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2019 journal article

Battery-free, lightweight, injectable microsystem for in vivo wireless pharmacology and optogenetics

Proceedings of the National Academy of Sciences of the United States of America, 116(43), 21427–21437.

By: Y. Zhang*, D. Castro*, Y. Han*, Y. Wu*, H. Guo*, Z. Weng*, Y. Xue*, J. Ausra* ...

Contributors: Y. Zhang*, D. Castro*, Y. Han*, Y. Wu*, H. Guo*, Z. Weng*, Y. Xue*, J. Ausra* ...

MeSH headings : Animals; Brain / metabolism; Brain Chemistry; Channelrhodopsins / metabolism; Electric Stimulation; Female; Male; Mice; Mice, Inbred C57BL; Optogenetics / instrumentation; Optogenetics / methods; Pharmacology / instrumentation; Pharmacology / methods; Prostheses and Implants; Wireless Technology / instrumentation
TL;DR: A lightweight, wireless, battery-free injectable microsystem that combines soft microfluidic and microscale inorganic light-emitting diode probes for programmable pharmacology and optogenetics, designed to offer the features of drug refillability and adjustable flow rates, together with programmable control over the temporal profiles is presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Source: ORCID
Added: March 13, 2023

2019 journal article

Buckling and twisting of advanced materials into morphable 3D mesostructures

Proceedings of the National Academy of Sciences of the United States of America, 116(27), 13239–13248.

TL;DR: A scheme for introducing local twisting deformations into this process, thereby providing access to 3D mesostructures that have strong, local levels of chirality and other previously inaccessible geometrical features. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2019 journal article

Detection of Ethanol Concentration using a Generic Optical Sensor Platform

Computacion y Sistemas, 23(1), 27–31.

By: A. Guardado, J. Flores, G. Lopez-Galmiche, J. Alatorre & J. Sánchez-Mondragón

Contributors: A. Vázquez-Guardado*, J. Alfredo Ramirez-Flores, G. Lopez-Galmiche, J. Jesús Escobedo-Alatorre & J. Sánchez-Mondragón

TL;DR: A novel and viable model for the measurement of ethanol concentration in water based on the refractive index linear relationships of the ethanol concentration and the plasmonic resonance wavelength is introduced. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: ORCID
Added: March 13, 2023

2019 journal article

Skin-integrated wireless haptic interfaces for virtual and augmented reality

Nature, 575(7783), 473–479.

By: X. Yu*, Z. Xie*, Y. Yu*, J. Lee*, A. Vazquez-Guardado*, H. Luan*, J. Ruban*, X. Ning* ...

Contributors: X. Yu*, Z. Xie*, Y. Yu*, J. Lee*, A. Vazquez-Guardado*, H. Luan*, J. Ruban*, X. Ning* ...

MeSH headings : Augmented Reality; Communication; Epidermis; Equipment Design; Feedback; Female; Humans; Male; Prostheses and Implants; Robotics; Skin; Social Media; Touch; User-Computer Interface; Vibration; Video Games; Virtual Reality; Wireless Technology / instrumentation
TL;DR: A wireless, battery-free platform of electronic systems and haptic interfaces capable of softly laminating onto the curved surfaces of the skin to communicate information via spatio-temporally programmable patterns of localized mechanical vibrations is presented. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2019 journal article

Wireless, battery-free optoelectronic systems as subdermal implants for local tissue oximetry

Science Advances, 5(3).

MeSH headings : Animals; Blood Substitutes / analysis; Corpus Striatum / metabolism; Corpus Striatum / surgery; Electric Power Supplies; Hypoxia / metabolism; Mice; Mice, Inbred C57BL; Models, Animal; Oximetry / instrumentation; Oxygen / analysis; Prostheses and Implants; Rats; Rats, Sprague-Dawley; Smart Materials; Wireless Technology / instrumentation
TL;DR: An entirely wireless and fully implantable platform incorporating microscale optoelectronics for continuous sensing of local hemoglobin dynamics and advanced designs in continuous, wireless power delivery and data output for tether-free operation is introduced. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2018 journal article

Biodegradable Monocrystalline Silicon Photovoltaic Microcells as Power Supplies for Transient Biomedical Implants

Advanced Energy Materials, 8(16), 1703035.

TL;DR: A fully biodegradable, monocrystalline silicon photovoltaic (PV) platform based on microscale cells (microcells) designed to operate at wavelengths with long penetration depths in biological tissues, such that external illumination can provide realistic levels of power. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2018 journal article

Broadband angle-independent antireflection coatings on nanostructured light trapping solar cells

Physical Review Materials, 2(3).

By: A. Vázquez-Guardado*, J. Boroumand*, D. Franklin* & D. Chanda*

Contributors: A. Vázquez-Guardado*, J. Boroumand*, D. Franklin* & D. Chanda*

Source: ORCID
Added: March 13, 2023

2018 journal article

Cavity-induced hybrid plasmon excitation for perfect infrared absorption

Optics Letters, 43(24), 6001–6004.

By: A. Safaei*, S. Modak*, A. Vázquez-Guardado*, D. Franklin* & D. Chanda*

Contributors: A. Safaei*, S. Modak*, A. Vázquez-Guardado*, D. Franklin* & D. Chanda*

TL;DR: A simple nanoimprint lithography-based large-area fabrication process paves the path towards practical implementation of plasmonic cavity-based devices and sensors. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2018 journal article

Coastal Geomorphology of a Holocene Hurricane Deposit on a Pleistocene Marine Terrace from Isla Carmen (Baja California Sur, Mexico)

Journal of Marine Science and Engineering, 6(4), 108.

By: M. Johnson*, J. Ledesma-Vázquez & R. Guardado-France

UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: ORCID
Added: March 14, 2023

2018 journal article

Covert infrared image encoding through imprinted plasmonic cavities

Light: Science and Applications, 7(1).

By: D. Franklin*, S. Modak*, A. Vázquez-Guardado*, A. Safaei* & D. Chanda*

Contributors: D. Franklin*, S. Modak*, A. Vázquez-Guardado*, A. Safaei* & D. Chanda*

TL;DR: A cavity-coupled plasmonic system with resonances that are tunable across the 3–5 or 8–14 μm infrared bands while retaining near-invariant spectral properties in the visible domain is discussed, which allows control over the interaction of various wavelengths of light with its components, with implications for camouflage and anti-counterfeit applications. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2018 journal article

Enzyme-Free Plasmonic Biosensor for Direct Detection of Neurotransmitter Dopamine from Whole Blood

Nano Letters, 19(1), 449–454.

By: A. Vázquez-Guardado*, S. Barkam*, M. Peppler*, A. Biswas*, W. Dennis*, S. Das*, S. Seal*, D. Chanda*

Contributors: A. Vázquez-Guardado*, S. Barkam*, M. Peppler*, A. Biswas*, W. Dennis*, S. Das*, S. Seal*, D. Chanda*

MeSH headings : 3,4-Dihydroxyphenylacetic Acid / chemistry; Biosensing Techniques; Cerium / chemistry; Dopamine / blood; Dopamine / isolation & purification; Humans; Nanoparticles / chemistry; Neurotransmitter Agents / blood; Neurotransmitter Agents / isolation & purification
TL;DR: This work presents an enzyme-free plasmonic neurotransmitter dopamine biosensor integrated with a microfluidic plasma separator that allows the in-line separation of plasma directly from the bloodstream and channels it to the active detection area, where inorganic cerium oxide nanoparticles function as local selective dopamine binding sites through strong surface redox reaction. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2018 journal article

Erratum to “Polyimide for silicon solar cells with double-sided textured pyramids” [Sol. Energy Mater. Sol. Cells 183 (2018) 200–204] (S0927024818301193) (10.1016/j.solmat.2018.03.015))

Solar Energy Materials and Solar Cells, 186, 57.

By: N. Zin*, K. McIntosh, S. Bakhshi*, A. Vazquez-Guardado*, T. Kho*, K. Fong*, M. Stocks*, E. Franklin*, A. Blakers*

Contributors: N. Zin*, K. McIntosh, S. Bakhshi*, A. Vazquez-Guardado*, T. Kho*, K. Fong*, M. Stocks*, E. Franklin*, A. Blakers*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: March 13, 2023

2018 journal article

Fully implantable optoelectronic systems for battery-free, multimodal operation in neuroscience research

Nature Electronics, 1(12), 652–660.

Source: ORCID
Added: March 13, 2023

2018 journal article

High-Efficiency Broadband Mid-Infrared Flat Lens

Advanced Optical Materials, 6(13).

Contributors: A. Safaei*, A. Vázquez-Guardado*, D. Franklin*, M. Leuenberger* & D. Chanda*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: March 13, 2023

2018 journal article

Microsensor for limonin detection: An indicator of citrus greening disease

Sensors and Actuators, B: Chemical, 283, 724–730.

By: N. Saraf*, S. Barkam*, M. Peppler*, A. Metke*, A. Vázquez-Guardado*, S. Singh*, C. Emile*, A. Bico*, C. Rodas*, S. Seal*

Contributors: N. Saraf*, S. Barkam*, M. Peppler*, A. Metke*, A. Vázquez-Guardado*, S. Singh*, C. Emile*, A. Bico*, C. Rodas*, S. Seal*

Source: ORCID
Added: March 13, 2023

2018 journal article

Multi-spectral frequency selective mid-infrared microbolometers

Optics Express, 26(25), 32931–32940.

By: A. Safaei, S. Modak, J. Lee, S. Chandra, D. Franklin, A. Vázquez-Guardado*, D. Chanda

Contributors: A. Safaei, S. Modak, J. Lee, S. Chandra, D. Franklin, A. Vázquez-Guardado*, D. Chanda

TL;DR: A cavity-coupled quasi-three dimensional plasmonic crystal which induces impedance matching to the free space giving rise to extraordinary transmission through the sub-wavelength aperture array like a "light funnel" in coupling low energy incident photons resulting in frequency selective perfect absorption of the incident radiation and zero back reflection is presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: March 13, 2023

2018 journal article

Polyimide for silicon solar cells with double-sided textured pyramids

Solar Energy Materials and Solar Cells, 183, 200–204.

By: N. Zin*, K. McIntosh, S. Bakhshi*, A. Vázquez-Guardado*, T. Kho*, K. Fong*, M. Stocks*, E. Franklin*, A. Blakers*

Contributors: N. Zin*, K. McIntosh, S. Bakhshi*, A. Vázquez-Guardado*, T. Kho*, K. Fong*, M. Stocks*, E. Franklin*, A. Blakers*

Source: ORCID
Added: March 13, 2023

2018 journal article

Superchiral Light Generation on Degenerate Achiral Surfaces

Physical Review Letters, 120(13).

By: A. Vázquez-Guardado* & D. Chanda*

Contributors: A. Vázquez-Guardado* & D. Chanda*

TL;DR: A novel route of superchiral near-field generation is demonstrated based on geometrically achiral systems supporting degenerate and spatially superimposed plasmonic modes and is experimentally demonstrated in the precise identification of both handedness of a chiral molecule on a single substrate with about four orders of magnitude enhancement in detection sensitivity. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2018 conference paper

Superchiral light generation on achiral nanostructured surfaces

In A. Adibi, S.-Y. Lin, & A. Scherer (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 10541).

By: D. Franklin*, A. Vázquez-Guardado* & D. Chanda*

Contributors: A. Vázquez-Guardado*, D. Franklin* & D. Chanda*

Ed(s): A. Adibi, S. Lin* & A. Scherer

Source: ORCID
Added: March 13, 2023

2018 journal article

Wireless optoelectronic photometers for monitoring neuronal dynamics in the deep brain

Proceedings of the National Academy of Sciences of the United States of America, 115(7), E1374–E1383.

By: L. Lu*, P. Gutruf*, L. Xia*, D. Bhatti*, X. Wang*, A. Vazquez-Guardado*, X. Ning*, X. Shen* ...

Contributors: L. Lu*, P. Gutruf*, L. Xia*, D. Bhatti*, X. Wang*, A. Vazquez-Guardado*, X. Ning*, X. Shen* ...

MeSH headings : Animals; Brain / physiology; Deep Brain Stimulation / methods; Male; Mice; Mice, Inbred C57BL; Neurons / physiology; Optical Fibers; Optogenetics / instrumentation; Photic Stimulation / instrumentation; Wireless Technology
TL;DR: A thin, flexible probe that combines light sources and photodetectors into a platform with submillimeter dimensions, capable of direct insertion into targeted regions of the deep brain is demonstrated, allowing wireless stimulation and recording of fluorescence associated with genetically encoded calcium indicators. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2017 journal article

Dynamically tunable extraordinary light absorption in monolayer graphene

Physical Review B, 96(16).

Contributors: A. Safaei*, S. Chandra*, A. Vázquez-Guardado*, J. Calderon*, D. Franklin*, L. Tetard*, L. Zhai*, M. Leuenberger*, D. Chanda*

Source: ORCID
Added: March 13, 2023

2016 journal article

Hybrid cavity-coupled plasmonic biosensors for low concentration, label-free and selective biomolecular detection

Optics Express, 24(22), 25785–25796.

By: A. Vázquez-Guardado*, A. Smith, W. Wilson, J. Ortega, J. Perez & D. Chanda

Contributors: A. Vázquez-Guardado*, A. Smith, W. Wilson, J. Ortega, J. Perez & D. Chanda

MeSH headings : Aluminum Oxide; Biosensing Techniques; Limit of Detection; Nanostructures; Optics and Photonics; Streptavidin / analysis; Surface Properties
TL;DR: It is demonstrated that a nanoimprinted plasmonic pattern with locked-in dimensions supports sharp deterministic hybrid resonances when coupled with an optical cavity suitable for high sensitive surface detection. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2016 journal article

Unified Electromagnetic-Electronic Design of Light Trapping Silicon Solar Cells

Scientific Reports, 6(1).

By: J. Boroumand*, S. Das*, A. Vázquez-Guardado*, D. Franklin* & D. Chanda*

Contributors: J. Boroumand*, S. Das*, A. Vázquez-Guardado*, D. Franklin* & D. Chanda*

TL;DR: It is shown that the higher charge carrier generation and collection in this design compensates the absorption and recombination losses and ultimately results in an increase in energy conversion efficiency. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: March 13, 2023

2015 journal article

Multi-spectral infrared spectroscopy for robust plastic identification

Applied Optics, 54(24), 7396–7405.

By: A. Vázquez-Guardado*, M. Money*, N. McKinney* & D. Chanda*

Contributors: A. Vázquez-Guardado*, M. Money*, N. McKinney* & D. Chanda*

TL;DR: A multi-spectral infrared spectroscopic technique is employed to construct a unique fingerprint library of 12 plastic resin groups that are commonly encountered in municipal waste to enable high throughput and accurate detection of various plastics from recovered solid waste. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2015 journal article

Polarization-independent actively tunable colour generation on imprinted plasmonic surfaces

Nature Communications, 6, 7337.

Contributors: D. Franklin*, Y. Chen*, A. Vazquez-Guardado*, S. Modak*, J. Boroumand*, D. Xu*, S. Wu*, D. Chanda*

TL;DR: A tunable polarization-independent reflective surface where the colour of the surface is changed as a function of applied voltage is demonstrated, paving the way towards dynamic pixels for reflective displays. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2014 journal article

Hybrid coupling mechanism in a system supporting high order diffraction, plasmonic, and cavity resonances

Physical Review Letters, 113(26).

By: A. Vázquez-Guardado*, A. Safaei*, S. Modak*, D. Franklin* & D. Chanda*

Contributors: A. Vázquez-Guardado*, A. Safaei*, S. Modak*, D. Franklin* & D. Chanda*

TL;DR: The strong interaction between plasmonic and photonic modes is shown to enhance as well as suppress surface Plasmon resonance based on cavity phase relation. (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2014 journal article

Nanoimprinting techniques for large-area three-dimensional negative index metamaterials with operation in the visible and telecom bands

ACS Nano, 8(6), 5535–5542.

By: L. Gao, K. Shigeta, A. Vazquez-Guardado*, C. Progler*, G. Bogart*, J. Rogers, D. Chanda

Contributors: L. Gao, K. Shigeta, A. Vazquez-Guardado*, C. Progler*, G. Bogart*, J. Rogers, D. Chanda

TL;DR: Computer analysis of reflection and transmission measurements suggests that the resulting structures offer negative index of refraction that spans both the visible wavelength range (529-720 nm) and the telecommunication band (1.35-1.6 μm). (via Semantic Scholar)
Source: ORCID
Added: March 13, 2023

2013 journal article

Materials selections and growth conditions for large-area, multilayered, visible negative index metamaterials formed by nanotransfer printing

Advanced Optical Materials, 2(3), 256–261.

By: L. Gao*, Y. Kim*, A. Vazquez-Guardado*, K. Shigeta*, S. Hartanto*, D. Franklin*, C. Progler*, G. Bogart*, J. Rogers*, D. Chanda*

Contributors: L. Gao*, Y. Kim*, A. Vazquez-Guardado*, K. Shigeta*, S. Hartanto*, D. Franklin*, C. Progler*, G. Bogart*, J. Rogers*, D. Chanda*

Source: ORCID
Added: March 13, 2023

2012 conference paper

Analysis of Extrinsic Losses in a Corrugated Photonic Crystal Waveguide

Latin America Optics and Photonics Conference.

By: G. Lopez-Galmiche*, A. Vázquez-Guardado*, D. Antequera*, S. Murugka* & J. Sanchez-Mondragon*

Contributors: G. Lopez-Galmiche*, A. Vazquez-Guardado*, D. Romero-Antequera*, S. Murugkar & Sanchez-Mondragon

Source: ORCID
Added: March 13, 2023

2012 conference paper

Analysis of Extrinsic Losses in a Corrugated Photonic Crystal Waveguide

Optics InfoBase Conference Papers. http://www.scopus.com/inward/record.url?eid=2-s2.0-85136245036&partnerID=MN8TOARS

By: G. Lopez-Galmiche, A. Vazquez-Guardado, D. Romero-Antequera, S. Murugkar & Sanchez-Mondragon

Contributors: G. Lopez-Galmiche, A. Vazquez-Guardado, D. Romero-Antequera, S. Murugkar & Sanchez-Mondragon

Source: ORCID
Added: March 14, 2023

2012 conference paper

Analysis of Gain Assisted Slow Surface Plasmon-Polaritons in a Symmetrically Cladded Metal Slab Structure

Frontiers in Optics 2012/Laser Science XXVIII.

By: A. Vázquez-Guardado*, G. Lopez-Galmiche*, I. Leon*, J. Sanchez-Mondragon* & R. Boyd*

Contributors: A. Vázquez-Guardado*, G. López-Galmiche*, I. De León*, J. Sánchez-Mondragón* & R. Boyd*

Source: ORCID
Added: March 13, 2023

2012 conference paper

Analysis of gain assisted slow surface plasmon-polaritons in a symmetrically cladded metal slab structure

Frontiers in Optics, FIO 2012. http://www.scopus.com/inward/record.url?eid=2-s2.0-84893144699&partnerID=MN8TOARS

By: A. Vázquez-Guardado, G. López-Galmiche, I. De León, J. Sánchez-Mondragón & R. Boyd

Contributors: A. Vázquez-Guardado, G. López-Galmiche, I. De León, J. Sánchez-Mondragón & R. Boyd

Source: ORCID
Added: March 13, 2023

2012 conference paper

Finite Lorentzian-Like Gain in the Analysis of Gain Assisted Slow Surface Plasmon-Polaritons

Frontiers in Optics 2012/Laser Science XXVIII.

By: A. Vázquez-Guardado*, G. Lopez-Galmiche*, I. Leon*, J. Sanchez-Mondragon* & R. Boyd*

Contributors: A. Vázquez-Guardado*, G. López-Galmiche*, I. De León*, J. Sánchez-Mondragón* & R. Boyd*

Source: ORCID
Added: March 13, 2023

2012 conference paper

Finite Lorentzian-like gain in the analysis of gain assisted slow surface plasmon-polaritons

Frontiers in Optics, FIO 2012. http://www.scopus.com/inward/record.url?eid=2-s2.0-84893043589&partnerID=MN8TOARS

By: A. Vázquez-Guardado, G. López-Galmiche, I. De León, J. Sánchez-Mondragón & R. Boyd

Contributors: A. Vázquez-Guardado, G. López-Galmiche, I. De León, J. Sánchez-Mondragón & R. Boyd

Source: ORCID
Added: March 13, 2023

2012 conference paper

Slow Surface Plasmon-Polaritons in a Metal-Dielectric Structure Incorporating a Lorentzian Gain Medium

Latin America Optics and Photonics Conference.

By: A. Vázquez-Guardado*, G. Lopez-Galmiche*, I. Arizpe, R. Paez-López*, M. Torres-Cisneros* & J. Sanchez-Mondragon*

Contributors: A. Vázquez-Guardado*, G. López-Galmiche*, I. De León*, R. Paez-López*, M. Torres-Cisneros* & J. Sánchez-Mondragón*

Source: ORCID
Added: March 13, 2023

2012 conference paper

Total internal reflection of photorefractive spatial solitons at a metallic interface

Frontiers in Optics, FIO 2012.

By: G. Cardenas-Ortiz*, A. Vázquez-Guardado*, D. Ceballos, G. Lopez-Galmiche*, D. May-Arrioja* & J. Sanchez-Mondragon*

Contributors: G. Cardenas-Ortiz*, A. Vázquez-Guardado*, G. López-Galmiche*, D. Ceballos-Herrera, D. May-Arrioja* & J. Sánchez-Mondragon*

Source: ORCID
Added: March 13, 2023

2011 conference paper

An analytical analysis of the nonlinear modes of the coupled silicon-on-insulator waveguides

In R. Rodríguez-Vera & R. Díaz-Uribe (Eds.), 22nd Congress of the International Commission for Optics: Light for the Development of the World (Vol. 8011).

By: N. Lozano-Crisóstomo*, J. Sànchez-Mondragón*, A. Vázquez-Guardado*, G. López-Galmiche*, M. Fuentes-Fuentes*, O. Magaña-Loaiza*, J. Escobedo-Alatorre*

Contributors: N. Lozano-Crisóstomo*, J. Sànchez-Mondragón*, A. Vázquez-Guardado*, G. López-Galmiche*, M. Fuentes-Fuentes*, O. Magaña-Loaiza*, J. Escobedo-Alatorre*

Ed(s): R. Rodríguez-Vera & R. Díaz-Uribe

Source: ORCID
Added: March 13, 2023

2011 conference paper

Omnidirectional reflector in a ternary metallo-dielectric structure

In R. Rodríguez-Vera & R. Díaz-Uribe (Eds.), 22nd Congress of the International Commission for Optics: Light for the Development of the World (Vol. 8011).

By: A. Alejo-Molina*, J. Sánchez-Mondragón*, J. Escobedo-Alatorre, A. Vazquez-Guardado*, V. Ruiz-Pérez* & D. May-Arrioja*

Contributors: A. Alejo-Molina*, J. Sánchez-Mondragón*, J. Escobedo-Alatorre, A. Vazquez-Guardado*, V. Ruiz-Pérez* & D. May-Arrioja*

Ed(s): R. Rodríguez-Vera & R. Díaz-Uribe

Source: ORCID
Added: March 13, 2023

2011 conference paper

Power-tunable plasmon resonance sensor using Kerr nonlinearity

Frontiers in Optics 2011/Laser Science XXVII.

By: A. Vázquez-Guardado*, G. López-Galmiche*, M. Fuentes-Fuentes*, D. Ceballos-Herrera*, D. May-Arrioja* & J. Sánchez-Mondragón*

Contributors: A. Vázquez-Guardado*, G. López-Galmiche*, M. Fuentes-Fuentes*, D. May-Arrioja*, D. Ceballos-Herrera* & J. Sánchez-Mondragón*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: March 13, 2023

2011 conference paper

Properties of 1D soliton-plasmon interactions

Optics InfoBase Conference Papers.

By: M. Fuentes-Fuentes*, G. López-Galmiche*, A. Vázquez-Guardado*, A. Alejo-Molina*, J. Sánchez-Mondragón*, A. Ferrando*, C. Millián

Contributors: M. Fuentes-Fuentes*, G. López-Galmiche*, A. Vázquez-Guardado*, A. Alejo-Molina*, J. Sánchez-Mondragón*, A. Ferrando*, C. Milián*

Source: ORCID
Added: March 13, 2023

2011 conference paper

Properties of 1D soliton-plasmon interactions

Optics InfoBase Conference Papers. http://www.scopus.com/inward/record.url?eid=2-s2.0-84893594376&partnerID=MN8TOARS

Contributors: M. Fuentes-Fuentesa, G. López-Galmiche, A. Vázquez-Guardado, A. Alejo-Molina, J. Sánchez-Mondragón, A. Ferrando, C. Miliánb

Source: ORCID
Added: March 13, 2023

Employment

Updated: March 20th, 2023 12:23

2023 - present

North Carolina State University Raleigh, North Carolina, US
Assistant Professor Electrical and Computer Engineering

2019 - 2022

Northwestern University Evanston, Illinois, US
Postdoctoral Fellow Querrey Simpson Institute for Bioelectronics

2018 - 2018

University of Central Florida Orlando, FL, US
Postdoctoral Fellow NanoScience Technology Center

Education

Updated: September 8th, 2020 00:46

2012 - 2018

University of Central Florida Orlando, FL, US
PhD. Optics and Photonics The College of Optics and Photonics

2010 - 2012

Instituto Nacional de Astrofísica Óptica y Electrónica Puebla, Puebla, MX
MS in Optics Óptica

2003 - 2007

Universidad Autónoma de Nayarit Tepic, Nayarit, MX
Electrical Engineering Ciencias Básicas e Ingenierías

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