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When Should Physicians Act on Non–Statistically Significant Results From Clinical Trials?

This Viewpoint discusses considerations that might lead physicians to change their practice based on RCTs reporting non–statistically significant differences in primary outcomes, including trial methodology, totality of evidence, cost, invasiveness, and labor-intensiveness of the interventions being compared.




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Forty Years of A Piece of My Mind

Forty years ago, in 1980, Jimmy Carter was president. Pac-Man debuted. In medicine, smallpox was declared to be eradicated. Additionally, on May 9, 1980, A Piece of My Mind was inaugurated in JAMA. The first essay, “Tuna on Rye, 1984,” was written by then–senior editor Samuel Vaisrub under the pen name Sam Vee. He introduced the column with an editorial entitled “For the Peace of Your Mind.”




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For the Peace of Your Mind

We hasten to assure our readers that a piece of my mind...is not intended as a sounding board for peevish gripes, nit-picking beefs, or sundry assortments of righteous indignation, which are usually prefaced by an angry “let me give you a piece of my mind.” Nor is this section of The Journal meant to be a podium for pompous preachments and ex cathedra pronouncements. Nor again is it designed to be a forum for half-baked speculations and warmed-over hypotheses. Least of all is a piece of my mind envisaged as a jamboree of jokes and a shivaree of limericks.




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Tuna on Rye, 1984

“Your medical clearance, sir?”




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My Friend Claims Her Second Round of Cancer

As my Italian father would say, since the house is burning      let us warm ourselves, and so




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Miles Together—A Patient-Physician Journey

In this narrative medicine essay, a family physician shares the beginning and ending of a near 12-year journey with a patient, helping him reach sobriety that led to a full though short life and feeling humbled to have been so entrusted to travel with him.




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The Cost of Technology—Patient-Centered Care

In this narrative medicine essay, a primary care physician describes a drawing by a 7-year-old patient who is sitting on an examination table with her mother cradling her baby sister with the physician’s back to them entering data in the computer as an example of a system that is sacrificing human contact for electronics.




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To Isaiah, a Casualty of a Fractured System

In this narrative medicine essay, Donald M. Berwick shares the story of his patient Isaiah with the 2012 Harvard Medical School graduating class as an example of a patient who deserved the treatment that cured him of leukemia but whose life was lost to poverty and exhorts them to regard health care as human right that must be preserved in the clinic and in public.




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What Would You Do, Doctor?

In this narrative medicine essay, an emergency medicine physician recalls an encounter early in her career when she was asked by parents to make a recommendation regarding ending life support for a young child, reflects on the way practice has changed from physician-centric to patient-involved decision-making, and discusses how her husband’s pancreatic cancer diagnosis brought up a different perspective.




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The $50 000 Physical

In this narrative medicine essay, a physician reflects on his father’s experience, at the age of 85 years, of getting a physical examination from a new primary care physician that ended up setting off a cascade of examinations and treatments.




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Whose Autonomy?

In this narrative medicine essay, a physician reflects on an experience during his medical residency involving the family dynamics of a couple in an effort to treat the pain of the husband.




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I’m Sorry

In this narrative medicine essay, a physician recounts an error in which his patient received double the dose of a medication he prescribed, and what he learned from asking the patient for forgiveness.




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Story as Evidence, Evidence as Story

In this narrative medicine essay, a physician describes the power of anecdotes and stories as tools for public communication, education, and advocacy.




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My Name Is Not “Interpreter”

In this essay, the author relays his personal experience with ethnicity-based discrimination and discusses the “microaggressions” that medical trainees from underrepresented groups based on race/ethnicity, gender, or sexual orientation experience.




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The Quick Physical Exam

In this narrative medicine essay, a teaching physician uses the fictitious characters Holmes and Watson to dispell the belief held by many physicians—that a thorough physical examination is an unnecessary art of the past. His emphasis: taking time to gather data and observe can avoid unneeded tests and guide accurate diagnosis.




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A Death in the Family

In this narrative medicine essay, an anesthesia resident describes his feelings of loss and unease when a coresident is admitted as a patient and dies of an overdose of fentanyl; this article emphasizes the importance of prioritizing physician wellness programs to help avoid burnout and substance use disorder.




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Moral Choices for Today’s Physician

In this essay, Don Berwick considers moral choices physicians face personally, organizationally, and globally and exhorts them to understand that the health of humanity depends on their speaking out against the social injustice of overpricing drugs and services, mass incarceration, and the lack of environmental responsibility.




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Physician-Parents Whose Children Have Rare Diseases

In this essay, a critical care pediatric hospitalist finds herself on the other side of the office table advocating for the specific medical care needed to address her son’s rare skeletal dysplasia and her search for a pediatric specialist with whom to travel on this quest.




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Systole and Diastole: A Metaphor for Living

In this narrative medicine essay, a physician finds in the motion of diastole, the process of letting go and filling up, an apt metaphor for how to handle the burnout, anxiety, and depression of medical training.




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You Did Not Teach Me What You Thought You Did

In this narrative medicine essay, a clinical educator uses her experiences enduring the aftermath of treatment for acute myeloid leukemia to reflect on the difference between physician-teachers and patients’ experience of illness and to locate meaning in what she can offer her colleagues and trainees despite persistent disability.




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A paper-based SERS assay for sensitive duplex cytokine detection towards the atherosclerosis-associated disease diagnosis

J. Mater. Chem. B, 2020, 8,3582-3589
DOI: 10.1039/C9TB02469G, Paper
Chunxia Li, Yuan Liu, Xiaoyan Zhou, Yuling Wang
Novel SERS based sensing assay was built by combining nanoporous membrane with sandwich immunoassay for duplex cytokines detection. It can be used as a promising candidate for clinical application due to its excellent performance in human serum.
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An efficient strategy for circulating tumor cell detection: surface-enhanced Raman spectroscopy

J. Mater. Chem. B, 2020, 8,3316-3326
DOI: 10.1039/C9TB02327E, Review Article
Jie Lin, Jianping Zheng, Aiguo Wu
Circulating tumor cells (CTCs) are circulating cancer cells that shed from tumor tissue into blood vessels and circulate in the blood to invade other organs, which results in fatal metastases. Surface-enhanced Raman scattering (SERS) has great potentials in CTCs detection.
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A dual-targeted CeO2–DNA nanosensor for real-time imaging of H2O2 to assess atherosclerotic plaque vulnerability

J. Mater. Chem. B, 2020, 8,3502-3505
DOI: 10.1039/C9TB02459J, Communication
Zhenhua Liu, Yujie Cao, Xiaona Zhang, Huazhen Yang, Yujie Zhao, Wen Gao, Bo Tang
A novel dual-targeted CeO2–DNA nanosensor by modifying with folic acid (FA) and CD36 antibody was designed.
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Highly efficient electrochemiluminescence of ruthenium complex-functionalized CdS quantum dots and their analytical application

J. Mater. Chem. B, 2020, 8,3598-3605
DOI: 10.1039/C9TB02463H, Paper
Xiaofei Wang, Huiwen Liu, Honglan Qi, Qiang Gao, Chengxiao Zhang
Highly efficient electrochemiluminescence of ruthenium complex-functionalized CdS quantum dots via ECL resonance energy transfer (ECL-RET) and their analytical application.
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Electrodeposition of nickel nanostructures using silica nanochannels as confinement for low-fouling enzyme-free glucose detection

J. Mater. Chem. B, 2020, 8,3616-3622
DOI: 10.1039/C9TB02472G, Paper
Jialian Ding, Xinru Li, Lin Zhou, Rongjie Yang, Fei Yan, Bin Su
This work reports an enzyme-free glucose sensor based on nickel nanostructures electrodeposited on a fluorine-doped tin oxide (FTO) electrode modified with a silica nanochannel membrane (SNM).
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Graphene–nucleic acid biointerface-engineered biosensors with tunable dynamic range

J. Mater. Chem. B, 2020, 8,3623-3630
DOI: 10.1039/C9TB02388G, Paper
Zhifeng Zhao, Hao Yang, Wenyue Zhao, Sha Deng, Kaixiang Zhang, Ruijie Deng, Qiang He, Hong Gao, Jinghong Li
Programmed biosensors with tunable quantification range and higher specificity have been constructed by engineering graphene–nucleic acid biointerfaces.
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Glutamate detection at the cellular level by means of polymer/enzyme multilayer modified carbon nanoelectrodes

J. Mater. Chem. B, 2020, 8,3631-3639
DOI: 10.1039/C9TB02461A, Paper
Miriam Marquitan, Melanie D. Mark, Andrzej Ernst, Anna Muhs, Stefan Herlitze, Adrian Ruff, Wolfgang Schuhmann
Carbon nanoelectrodes in the sub-micron range were modified with an enzyme cascade immobilized in a spatially separated polymer double layer system for the detection of glutamate at the cellular level.
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From design to applications of stimuli-responsive hydrogel strain sensors

J. Mater. Chem. B, 2020, 8,3171-3191
DOI: 10.1039/C9TB02692D, Review Article
Dong Zhang, Baiping Ren, Yanxian Zhang, Lijian Xu, Qinyuan Huang, Yi He, Xuefeng Li, Jiang Wu, Jintao Yang, Qiang Chen, Yung Chang, Jie Zheng
Stimuli-responsive hydrogel strain sensors that synergize the advantages of both hydrogel and smart functional materials have attracted increasing interest from material design to emerging applications in health monitors and human–machine interfaces.
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Genetically encoded light-up RNA aptamers and their applications for imaging and biosensing

J. Mater. Chem. B, 2020, 8,3382-3392
DOI: 10.1039/C9TB02668A, Review Article
Puchakayala Swetha, Ze Fan, Fenglin Wang, Jian-Hui Jiang
Light-up RNA aptamers and their applications in bioimaging and biosensing of small ligands and biomacromolecules are described.
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Structurally coloured contact lens sensor for point-of-care ophthalmic health monitoring

J. Mater. Chem. B, 2020, 8,3519-3526
DOI: 10.1039/C9TB02389E, Paper
Yunlong Wang, Qilong Zhao, Xuemin Du
A structurally coloured contact lens sensor has been developed for point-of-care diagnosis of eye diseases.
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Novel perylene probe-encapsulated metal–organic framework nanocomposites for ratiometric fluorescence detection of ATP

J. Mater. Chem. B, 2020, 8,3661-3666
DOI: 10.1039/C9TB02319D, Paper
Xiaomeng Zhou, Juanmin Li, Li-Li Tan, Qiang Li, Li Shang
Schematic illustration of PDI@ZIF-8 nanocomposite synthesis and ratiometric fluorescence assay for ATP sensing. 2-MIm: 2-methylimidazole.
The content of this RSS Feed (c) The Royal Society of Chemistry




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Stretchable and tough conductive hydrogels for flexible pressure and strain sensors

J. Mater. Chem. B, 2020, 8,3437-3459
DOI: 10.1039/C9TB02570G, Review Article
Zhenwu Wang, Yang Cong, Jun Fu
This review summarises recent advances in stretchable and tough conductive hydrogel sensors for wearable and implantable devices.
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Nanomaterial-based biosensors for DNA methyltransferase assay

J. Mater. Chem. B, 2020, 8,3488-3501
DOI: 10.1039/C9TB02458A, Review Article
Fei Ma, Qian Zhang, Chun-yang Zhang
We review the recent advances in the development of nanomaterial-based biosensors for DNA methyltransferase assay.
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A perylenetetracarboxylic dianhydride and aniline-assembled supramolecular nanomaterial with multi-color electrochemiluminescence for a highly sensitive label-free immunoassay

J. Mater. Chem. B, 2020, 8,3676-3682
DOI: 10.1039/C9TB02368B, Paper
Wei Zhang, Yue Song, Yunyun Wang, Shuijian He, Lei Shang, Rongna Ma, Liping Jia, Huaisheng Wang
A novel multi-color ECL nanomaterial assembled from 3,4,9,10-perylenetetracarboxylic dianhydride (PTCDA) and aniline (An) was used for highly sensitive label-free CEA detection.
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Toehold-regulated competitive assembly to accelerate the kinetics of graphene oxide-based biosensors

J. Mater. Chem. B, 2020, 8,3683-3689
DOI: 10.1039/C9TB02454A, Paper
Huan Du, Junbo Chen, Jie Zhang, Rongxing Zhou, Peng Yang, Xiandeng Hou, Nansheng Cheng
With toehold-regulation, the kinetics of graphene oxide-based biosensors can be accelerated.
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Assessing the range of enzymatic and oxidative tunability for biosensor design

J. Mater. Chem. B, 2020, 8,3460-3487
DOI: 10.1039/C9TB02666E, Review Article
Hattie C. Schunk, Derek S. Hernandez, Mariah J. Austin, Kabir S. Dhada, Adrianne M. Rosales, Laura J. Suggs
This review aims to inspire novel biosensor design by addressing materials chemistries through the lense of enzymatic and oxidative susceptibility in the spectra of inflammatory disease biomarkers.
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A general strategy for designing NIR-II emissive silk for the in vivo monitoring of an implanted stent model beyond 1500 nm

J. Mater. Chem. B, 2020, Advance Article
DOI: 10.1039/C9TB02685A, Paper
Zhiming Deng, Junqing Huang, Zhenluan Xue, Mingyang Jiang, Youbin Li, Songjun Zeng
The NIR-II emissive silk is explored by a general feeding strategy for NIR-II imaging guided in situ monitoring of the implanted biological stent model made from silk.
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Development of CeO2 nanodot encrusted TiO2 nanoparticles with reduced photocatalytic activity and increased biocompatibility towards a human keratinocyte cell line

J. Mater. Chem. B, 2020, Advance Article
DOI: 10.1039/D0TB00629G, Paper
Alexander Morlando, Marcela Chaki Borrás, Yaser Rehman, Shahnaz Bakand, Philip Barker, Ronald Sluyter, Konstantin Konstantinov
Low photocatalytic CeO2/TiO2 nanocomposite particles with high UV attenuation and reduced ROS generation for application in sunscreen products.
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Recent progress of SERS optical nanosensors for miRNA analysis

J. Mater. Chem. B, 2020, Accepted Manuscript
DOI: 10.1039/D0TB00280A, Review Article
Yudie Sun, lin shi, Lan Mi, Ruiyan Guo, Tao Li
This review focus on emerging applications of surface-enhanced Raman spectroscopy (SERS) optical nanosensors for miRNA analysis, in which the key enhancement factors of SERS signal, i.e. SERS-active substrates, SERS nanoprobes...
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Rapidly dissolving microneedle patch for synergistic gene and photothermal therapy of subcutaneous tumor

J. Mater. Chem. B, 2020, Advance Article
DOI: 10.1039/D0TB00105H, Paper
Qinan Xu, Xinfang Li, Peng Zhang, Youxiang Wang
Synergistic gene and photothermal therapy conducted by p53 DNA/IR820 MN patch may be a promising strategy for subcutaneous tumor treatments.
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Functional peptide-based drug delivery systems

J. Mater. Chem. B, 2020, Advance Article
DOI: 10.1039/D0TB00713G, Highlight
Zheng Lian, Tianjiao Ji
Representative strategies for designing smart drug delivery systems by using functional peptides in the past few years are highlighted in this review.
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Encapsulated DNase Improving the Killing Efficiency of Antibiotics in Staphylococcal Biofilms

J. Mater. Chem. B, 2020, Accepted Manuscript
DOI: 10.1039/D0TB00441C, Communication
Chenhui Liu, Yu Zhao, Wanqi Su, Jingshan Chai, Lina Xu, Jingjing Cao, Yang Liu
We developed a polymer-encapsulated DNase, n(DNase), which can efficiently accumulate in biofilm and expose the DNase to cleave the eDNA of biofilm. CLSM and crystal violet results demonstrated an effective...
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Mechanically robust enzymatic degradable shape memory polyurethane urea with rapid recovery response induced by NIR

J. Mater. Chem. B, 2020, Accepted Manuscript
DOI: 10.1039/D0TB00798F, Paper
Xin Li, Wenkai Liu, Yaomin Li, Wanling Lan, Daiguo Zhao, Hecheng Wu, Yuan Feng, Xueling He, Zhen Li, Jiehua Li, Feng Luo, Hong Tan
Biodegradable shape memory polymers have great potential using in minimally invasive surgical procedures. Herein, a series of shape memory polyurethanes (SMPUs) containing chymotrypsin-inspired chain extenders with adjustable mechanical properties and...
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Design principles and fundamental understanding of biosensors for amyloid-β detection

J. Mater. Chem. B, 2020, Advance Article
DOI: 10.1039/D0TB00344A, Review Article
Yanxian Zhang, Baiping Ren, Dong Zhang, Yonglan Liu, Mingzhen Zhang, Chao Zhao, Jie Zheng
Aβ as biomarker in Alzheimer’s disease (AD) drives the significant research efforts for developing different biosensors with different sensing strategies, materials, and mechanisms for Aβ detection.
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Development of mucoadhesive cationic polypeptide micelles for sustained cabozantinib release and inhibition of corneal neovascularization

J. Mater. Chem. B, 2020, Accepted Manuscript
DOI: 10.1039/D0TB00874E, Paper
Haijie Han, Qichuan Yin, Xiajing Tang, Xiaoning Yu, Qiang Gao, Yelei Tang, Andrzej Grzybowski, Ke Yao, Jian Ji, Xingchao Shentu
Corneal neovascularization (CNV) is one of the leading risk factors for vision loss. Anti-angiogenic drugs can theoretically be extended to the treatment of CNV. However, the application of these drugs...
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The rise of bio-inspired polymer compartments responding to pathology related signals

J. Mater. Chem. B, 2020, Accepted Manuscript
DOI: 10.1039/D0TB00475H, Perspective
Open Access
Luisa Zartner, Moritz Sylvester Muthwill, Ionel Adrian Dinu, Cora-Ann Schoenenberger, Cornelia G. Palivan
Self-organized nano- and microscale polymer compartments (polymersomes, GUVs, PICsomes and LbL capsules) have increasing potential in many sensing applications. In this review, we highlight the key role they play in...
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Multi-Stimuli Responsive Polymeric Prodrug Micelles for Combined Chemotherapy and Photodynamic Therapy

J. Mater. Chem. B, 2020, Accepted Manuscript
DOI: 10.1039/D0TB00539H, Paper
Cheng Hu, Weihua Zhuang, Tao Yu, Liang Chen, Zhen Liang, Gaocan Li, Yunbing Wang
Nowadays, cancer therapy faces severe challenges on boosting therapeutic efficiency and reducing the side effects of drugs. To overcome these challenges, herein multifunctional polymeric prodrug micelles with combining chemotherapy and...
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Biomimetic Immunomagnetic Gold Hybrid Nanoparticles Coupled with Inductively Coupled Plasma Mass Spectrometry for the Detection of Circulating Tumor Cells

J. Mater. Chem. B, 2020, Accepted Manuscript
DOI: 10.1039/D0TB00403K, Paper
Zhimin Chang, Hang Zhou, Chao Yang, Rui Zhang, Qiannan You, Ruhong Yan, Li Li, Mingfeng Ge, Yuguo Tang, Wen-fei Dong, Zheng Wang
Immunomagnetic beads are important tools for the isolation and detection of circulating tumor cells (CTCs). However, the current immunomagnetic bead technique provides poor CTC separation purity due to nonspecific binding...
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Lipid and polymer mediated CRISPR/Cas9 gene editing

J. Mater. Chem. B, 2020, Advance Article
DOI: 10.1039/D0TB00207K, Review Article
Yan Gong, Siyu Tian, Yang Xuan, Shubiao Zhang
A clustered regularly interspaced short palindromic repeats (CRISPR)/associated protein 9 (CRISPR/Cas9) system is the most widely used tool for gene editing.
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Fluorinated porphyrin-based theranostics for dual imaging and chemo-photodynamic therapy

J. Mater. Chem. B, 2020, Advance Article
DOI: 10.1039/D0TB00083C, Paper
Huaibin Zhang, Shaowei Bo, Kai Zeng, Jie Wang, Yu Li, Zhigang Yang, Xin Zhou, Shizhen Chen, Zhong-Xing Jiang
A modular strategy facilitates the convenient and standardized preparation of multifunctional theranostics for cancer therapy.
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