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Li S, Lu D, Li S, Liu J, Xu Y, Yan Y, Rodriguez JZ, Bai H, Avila R, Kang S, Ni X, Luan H, Guo H, Bai W, Wu C, Zhou X, Hu Z, Pet MA, Hammill CW, MacEwan MR, Ray WZ, Huang Y, Rogers JA. Bioresorbable, wireless, passive sensors for continuous pH measurements and early detection of gastric leakage. SCIENCE ADVANCES 2024; 10:eadj0268. [PMID: 38640247 PMCID: PMC11029800 DOI: 10.1126/sciadv.adj0268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 03/18/2024] [Indexed: 04/21/2024]
Abstract
Continuous monitoring of biomarkers at locations adjacent to targeted internal organs can provide actionable information about postoperative status beyond conventional diagnostic methods. As an example, changes in pH in the intra-abdominal space after gastric surgeries can serve as direct indicators of potentially life-threatening leakage events, in contrast to symptomatic reactions that may delay treatment. Here, we report a bioresorbable, wireless, passive sensor that addresses this clinical need, designed to locally monitor pH for early detection of gastric leakage. A pH-responsive hydrogel serves as a transducer that couples to a mechanically optimized inductor-capacitor circuit for wireless readout. This platform enables real-time monitoring of pH with fast response time (within 1 hour) over a clinically relevant period (up to 7 days) and timely detection of simulated gastric leaks in animal models. These concepts have broad potential applications for temporary sensing of relevant biomarkers during critical risk periods following diverse types of surgeries.
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Affiliation(s)
- Shuo Li
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | - Di Lu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
- School of Microelectronics, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Shupeng Li
- Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Jiaqi Liu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | - Yameng Xu
- The Institute of Materials Science and Engineering, Washington University in St. Louis, St. Louis, MO 63130, USA
| | - Ying Yan
- Department of Neurosurgery, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Jorge Zárate Rodriguez
- Department of Surgery, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Hedan Bai
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | - Raudel Avila
- Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Shuming Kang
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Xinchen Ni
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | - Haiwen Luan
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | - Hexia Guo
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Wubin Bai
- Department of Applied Physical Sciences, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Changsheng Wu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
- Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
| | - Xuhao Zhou
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
| | - Ziying Hu
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
| | - Mitchell A. Pet
- Department of Surgery, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Chet W. Hammill
- Department of Surgery, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Matthew R. MacEwan
- Department of Neurosurgery, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Wilson Z. Ray
- Department of Neurosurgery, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Yonggang Huang
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
- Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
- Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL 60208, USA
| | - John A. Rogers
- Querrey Simpson Institute for Bioelectronics, Northwestern University, Evanston, IL 60208, USA
- Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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Imtiyaz Z, He J, Leng Q, Agrawal AK, Mixson AJ. pH-Sensitive Targeting of Tumors with Chemotherapy-Laden Nanoparticles: Progress and Challenges. Pharmaceutics 2022; 14:pharmaceutics14112427. [PMID: 36365245 PMCID: PMC9692785 DOI: 10.3390/pharmaceutics14112427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/03/2022] [Accepted: 11/05/2022] [Indexed: 11/12/2022] Open
Abstract
Accumulating chemotherapeutic drugs such as doxorubicin within a tumor while limiting the drug dose to normal tissues is a central goal of drug delivery with nanoparticles. Liposomal products such as Doxil® represent one of the marked successes of nanoparticle-based strategies. To replicate this success for cancer treatment, many approaches with nanoparticles are being explored in order to direct and release chemotherapeutic agents to achieve higher accumulation in tumors. A promising approach has been stimulus-based therapy, such as the release of chemotherapeutic agents from the nanoparticles in the acidic environments of the tumor matrix or the tumor endosomes. Upon reaching the acidic environments of the tumor, the particles, which are made up of pH-dependent polymers, become charged and release the entrapped chemotherapy agents. This review discusses recent advances in and prospects for pH-dependent histidine-based nanoparticles that deliver chemotherapeutic agents to tumors. The strategies used by investigators include an array of histidine-containing peptides and polymers which form micelles, mixed micelles, nanovesicles, polyplexes, and coat particles. To date, several promising histidine-based nanoparticles have been demonstrated to produce marked inhibition of tumor growth, but challenges remain for successful outcomes in clinical trials. The lessons learned from these histidine-containing particles will provide insight in the development of improved pH-dependent polymeric delivery systems for chemotherapy.
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Affiliation(s)
- Zuha Imtiyaz
- Department of Pathology, University Maryland School of Medicine, 10 S. Pine St., University of Maryland, Baltimore, MD 21201, USA
| | - Jiaxi He
- 20511 Seneca Meadows Pkwy, Suite 260, RNAimmune, Germantown, MD 20876, USA
| | - Qixin Leng
- Department of Pathology, University Maryland School of Medicine, 10 S. Pine St., University of Maryland, Baltimore, MD 21201, USA
| | - Atul K. Agrawal
- Department of Pathology, University Maryland School of Medicine, 10 S. Pine St., University of Maryland, Baltimore, MD 21201, USA
| | - A. James Mixson
- Department of Pathology, University Maryland School of Medicine, 10 S. Pine St., University of Maryland, Baltimore, MD 21201, USA
- Correspondence: ; Tel.: +1-410-706-3223; Fax: +1-410-706-8414
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Tian X, Qiu N, Shen Y, Zhang S, Dang C, Hu G, Wang Z, Chen J, Ding S. Preparation of poly(DMA-co-DBA) and its application in gene delivery. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.1999952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Xiaoxiao Tian
- College of Chemical Engineering, Huaiyin Institute of Technology, Huaian, P. R. China
| | - Nasha Qiu
- Center for Bionanoengineering and Key Laboratory of Biomass Chemical Engineering of the Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, P. R. China
| | - Youqing Shen
- Center for Bionanoengineering and Key Laboratory of Biomass Chemical Engineering of the Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, P. R. China
| | - Shizhong Zhang
- College of Chemical Engineering, Huaiyin Institute of Technology, Huaian, P. R. China
| | - Chun Dang
- College of Chemical Engineering, Huaiyin Institute of Technology, Huaian, P. R. China
| | - Guang Hu
- College of Chemical Engineering, Huaiyin Institute of Technology, Huaian, P. R. China
| | - Zhihui Wang
- College of Chemical Engineering, Huaiyin Institute of Technology, Huaian, P. R. China
| | - Jing Chen
- College of Chemical Engineering, Huaiyin Institute of Technology, Huaian, P. R. China
| | - Shijie Ding
- College of Chemical Engineering, Huaiyin Institute of Technology, Huaian, P. R. China
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