Search Results - "Qingshan Wei"

Aptamer-Based Fluorescent Sensor Array for Multiplexed Detection of Cyanotoxins on a Smartphone by Li, Zheng, Zhang, Shengwei, Yu, Tao, Dai, Zhiming, Wei, Qingshan

“…Developing easy-to-use and miniaturized detectors is essential for in-field monitoring of environmentally hazardous substances, such as the cyanotoxins. We…”
Get full text

Surface Wrinkling for Flexible and Stretchable Sensors by Lee, Giwon, Zarei, Mohammad, Wei, Qingshan, Zhu, Yong, Lee, Seung Goo

“…Recent advances in nanolithography, miniaturization, and material science, along with developments in wearable electronics, are pushing the frontiers of sensor…”
Get full text

Mobile Phone-Based Microscopy, Sensing, and Diagnostics by Contreras-Naranjo, Jose C., Qingshan Wei, Ozcan, Aydogan

“…Mass production of consumer electronics devices and market competition have provided users with cost-effective, compact, and high-performance products with…”
Get full text

Integrating charge mobility, stability and stretchability within conjugated polymer films for stretchable multifunctional sensors by Son, Sung Yun, Lee, Giwon, Wang, Hongyu, Samson, Stephanie, Wei, Qingshan, Zhu, Yong, You, Wei

“…Conjugated polymers (CPs) are promising semiconductors for intrinsically stretchable electronic devices. Ideally, such CPs should exhibit high charge mobility,…”
Get full text

Trends and applications in plant volatile sampling and analysis by Tholl, Dorothea, Hossain, Oindrila, Weinhold, Alexander, Röse, Ursula S. R., Wei, Qingshan

“…SUMMARY Volatile organic compounds (VOCs) released by plants serve as information and defense chemicals in mutualistic and antagonistic interactions and…”
Get full text

Detection and Spatial Mapping of Mercury Contamination in Water Samples Using a Smart-Phone by Wei, Qingshan, Nagi, Richie, Sadeghi, Kayvon, Feng, Steve, Yan, Eddie, Ki, So Jung, Caire, Romain, Tseng, Derek, Ozcan, Aydogan

“…Detection of environmental contamination such as trace-level toxic heavy metal ions mostly relies on bulky and costly analytical instruments. However, a…”
Get full text

Addressable nanoantennas with cleared hotspots for single-molecule detection on a portable smartphone microscope by Trofymchuk, Kateryna, Glembockyte, Viktorija, Grabenhorst, Lennart, Steiner, Florian, Vietz, Carolin, Close, Cindy, Pfeiffer, Martina, Richter, Lars, Schütte, Max L., Selbach, Florian, Yaadav, Renukka, Zähringer, Jonas, Wei, Qingshan, Ozcan, Aydogan, Lalkens, Birka, Acuna, Guillermo P., Tinnefeld, Philip

“…The advent of highly sensitive photodetectors and the development of photostabilization strategies made detecting the fluorescence of single molecules a…”
Get full text

The persistent threat of emerging plant disease pandemics to global food security by Ristaino, Jean B., Anderson, Pamela K., Bebber, Daniel P., Brauman, Kate A., Cunniffe, Nik J., Fedoroff, Nina V., Finegold, Cambria, Garrett, Karen A., Gilligan, Christopher A., Jones, Christopher M., Martin, Michael D., MacDonald, Graham K., Neenan, Patricia, Records, Angela, Schmale, David G., Tateosian, Laura, Wei, Qingshan

“…Plant disease outbreaks are increasing and threaten food security for the vulnerable in many areas of the world. Now a global human pandemic is threatening the…”
Get full text

Gold Nanorods as Contrast Agents for Biological Imaging: Optical Properties, Surface Conjugation and Photothermal Effects by Tong, Ling, Wei, Qingshan, Wei, Alexander, Cheng, Ji-Xin

“…Gold nanorods (NRs) have plasmon‐resonant absorption and scattering in the near‐infrared (NIR) region, making them attractive probes for in vitro and in vivo…”
Get full text

Non-invasive plant disease diagnostics enabled by smartphone-based fingerprinting of leaf volatiles by Li, Zheng, Paul, Rajesh, Ba Tis, Taleb, Saville, Amanda C., Hansel, Jeana C., Yu, Tao, Ristaino, Jean B., Wei, Qingshan

“…Plant pathogen detection conventionally relies on molecular technology that is complicated, time-consuming and constrained to centralized laboratories. We…”
Get full text

Targeted DNA sequencing and in situ mutation analysis using mobile phone microscopy by Kühnemund, Malte, Wei, Qingshan, Darai, Evangelia, Wang, Yingjie, Hernández-Neuta, Iván, Yang, Zhao, Tseng, Derek, Ahlford, Annika, Mathot, Lucy, Sjöblom, Tobias, Ozcan, Aydogan, Nilsson, Mats

“…Molecular diagnostics is typically outsourced to well-equipped centralized laboratories, often far from the patient. We developed molecular assays and portable…”
Get full text

Highly Stable and Sensitive Nucleic Acid Amplification and Cell-Phone-Based Readout by Kong, Janay E, Wei, Qingshan, Tseng, Derek, Zhang, Jingzi, Pan, Eric, Lewinski, Michael, Garner, Omai B, Ozcan, Aydogan, Di Carlo, Dino

“…Key challenges with point-of-care (POC) nucleic acid tests include achieving a low-cost, portable form factor, and stable readout, while also retaining the…”
Get full text

Plasmonics Enhanced Smartphone Fluorescence Microscopy by Wei, Qingshan, Acuna, Guillermo, Kim, Seungkyeum, Vietz, Carolin, Tseng, Derek, Chae, Jongjae, Shir, Daniel, Luo, Wei, Tinnefeld, Philip, Ozcan, Aydogan

“…Smartphone fluorescence microscopy has various applications in point-of-care (POC) testing and diagnostics, ranging from e.g., quantification of immunoassays,…”
Get full text

Smartphone-based cytometric biosensors for point-of-care cellular diagnostics by Zhang, Shengwei, Li, Zheng, Wei, Qingshan

“…Analysis on a single-cell basis is both fundamental and meaningful in biomedical research and clinical practice. Flow cytometry is one of the most popular…”
Get full text

A smartphone-read ultrasensitive and quantitative saliva test for COVID-19 by Ning, Bo, Yu, Tao, Zhang, Shengwei, Huang, Zhen, Tian, Di, Lin, Zhen, Niu, Alex, Golden, Nadia, Hensley, Krystle, Threeton, Breanna, Lyon, Christopher J, Yin, Xiao-Ming, Roy, Chad J, Saba, Nakhle S, Rappaport, Jay, Wei, Qingshan, Hu, Tony Y

“…Point-of-care COVID-19 assays that are more sensitive than the current RT-PCR (reverse transcription polymerase chain reaction) gold standard assay are needed…”
Get full text

Synthesis of Near-Infrared Responsive Gold Nanorod/PNIPAAm Core/Shell Nanohybrids via Surface Initiated ATRP for Smart Drug Delivery by Wei, Qingshan, Ji, Jian, Shen, Jiacong

“…Nanosized near infrared (NIR) responsive nanohybrids are synthesized by surface‐initiated atom transfer radical polymerization (SI‐ATRP) of…”
Get full text

Precise in-field molecular diagnostics of crop diseases by smartphone-based mutation-resolved pathogenic RNA analysis by Zhang, Ting, Zeng, Qingdong, Ji, Fan, Wu, Honghong, Ledesma-Amaro, Rodrigo, Wei, Qingshan, Yang, Hao, Xia, Xuhan, Ren, Yao, Mu, Keqing, He, Qiang, Kang, Zhensheng, Deng, Ruijie

“…Molecular diagnostics for crop diseases can guide the precise application of pesticides, thereby reducing pesticide usage while improving crop yield, but tools…”
Get full text

Single-molecule and particle detection on true portable microscopy platforms by Skolrood, Lydia, Wang, Yan, Zhang, Shengwei, Wei, Qingshan

“…•There is a global need for low-cost, point-of-care tools for single-molecule analysis.•True portable devices for single-molecule and particle detection are…”
Get full text

On-Chip Cytometry using Plasmonic Nanoparticle Enhanced Lensfree Holography by Wei, Qingshan, McLeod, Euan, Qi, Hangfei, Wan, Zhe, Sun, Ren, Ozcan, Aydogan

“…Computational microscopy tools, in particular lensfree on-chip imaging, provide a large field-of-view along with a long depth-of-field, which makes it feasible…”
Get full text

Zwitterionic phosphorylcholine as a better ligand for gold nanorods cell uptake and selective photothermal ablation of cancer cells by Zhou, Wenbo, Shao, Jinyan, Jin, Qiao, Wei, Qingshan, Tang, Jianguo, Ji, Jian

“…The conjugation of zwitterionic phosphorylcholine onto gold nanorods leads to enhanced and selective uptake within cancer cells…”
Get more information