Article
Chemistry, Multidisciplinary
Shreetu Shrestha, Xinxin Li, Hsinhan Tsai, Cheng-Hung Hou, Hsin-Hsiang Huang, Dibyajyoti Ghosh, Jing-Jong Shyue, Leeyih Wang, Sergei Tretiak, Xuedan Ma, Wanyi Nie
Summary: In this work, the authors investigated the carrier diffusion length in two-dimensional Ruddlesden-Popper perovskite single crystals using scanning photocurrent microscopy. They observed a long in-plane carrier diffusion length and attributed it to the dominating dissociated free carrier transport. The results suggest that semiconducting devices fabricated from RP perovskite single crystals can be as efficient as their 3D counterparts.
Article
Physics, Multidisciplinary
Yeseul Kim, Byung Mook Weon
Summary: Article view statistics provide a measure to quantify the scientific and public impact of online published articles. The decay dynamics proposed in the stretched exponential model can well describe the long-tailed popularity dynamics of online articles, offering valuable insights into how popularity diminishes with time in the online community.
FRONTIERS IN PHYSICS
(2021)
Article
Chemistry, Physical
Neha Tyagi, Binny J. Cherayil
Summary: This paper investigates the time evolution of the linear dimensions of a single finitely extensible Rouse polymer in a solution of other polymers under linear mixed flow using a generalized Langevin equation (GLE). The decay of the chain's fractional extension in the steady state is shown to be expressed in terms of a linear combination of Mittag-Leffler and generalized Mittag-Leffler functions, suggesting a non-exponential melt relaxation process with a continuous spectrum of timescales. The calculated decay curves provide satisfactory fits to experimental data, indicating the potential role of the tube model's two-step mechanism in chain relaxation processes.
JOURNAL OF CHEMICAL PHYSICS
(2021)
Article
Biochemistry & Molecular Biology
Amedeo Capobianco, Alessandro Landi, Andrea Peluso
Summary: Molecular dynamics simulations and quantum mechanical/molecular mechanics methods predict that short, single-stranded DNA oligonucleotides adopt conformations similar to crystallographic B-DNA in solution. Single strands rich in adjacent purine nucleobases have more regular arrangements, and poly-thymine single strands also retain helical structure in solution.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Chemistry, Analytical
Charles Blanluet, Diego A. Huyke, Ashwin Ramachandran, Alexandre S. Avaro, Juan G. Santiago
Summary: This study demonstrates that endpoint-based assays in CRISPR-Cas12 detection are limited by experimental choices and work best for known target concentrations. It also reveals that SNP activation results in measurable changes in the kinetic parameters of Cas12 trans-cleavage. To overcome the limitations of endpoint-based assays, the researchers developed a new assay based on the quantification of Michaelis-Menten parameters.
ANALYTICAL CHEMISTRY
(2022)
Article
Biochemistry & Molecular Biology
Karen Zagorski, Tommy Stormberg, Mohtadin Hashemi, Anatoly B. Kolomeisky, Yuri L. Lyubchenko
Summary: The interplay between the mechanical properties of double-stranded and single-stranded DNA plays an important role in genetic processes. In this study, DNA nanorings were designed to investigate the stretching effect of double-stranded DNA on single-stranded DNA. The results showed that the stretching effect was consistent with theoretical estimates. Furthermore, time-lapse observations revealed dynamic behavior of the DNA rings, allowing for the formation of various morphologies.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Mathematics, Applied
Yingjie Liang, Yue Yu
Summary: This study proposes a fractal Bloch model to describe the stretched magnetization relaxation in MRI. The model extends relaxation terms and preserves linear Larmor precession terms under a constant magnetic field. The solutions of the model have a stretched exponential form and converge to the exponential form for the classical Bloch equation under certain conditions. The results show that the decay of damped oscillations differs based on the values of fractal derivative order alpha.
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
(2023)
Article
Biochemistry & Molecular Biology
Javier Jarillo, Borja Ibarra, Francisco Javier Cao-Garcia
Summary: The analysis and modeling techniques of in vitro single-molecule DNA replication events play a crucial role in understanding the process, with a focus on the real-time kinetics of DNA polymerase and DNA helicase. Proper analysis of single-molecule data is essential for obtaining a detailed picture of the system's dynamics, including kinetics rates, equilibrium constants, and conformational changes. These techniques can also be adapted to study the operation of other proteins involved in nucleic acids metabolism.
COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL
(2021)
Article
Chemistry, Analytical
Christopher M. Crittenden, Michael B. Lanzillotti, Bifan Chen
Summary: CRISPR-Cas9 genome editing has become a vital technique in biomedical research and shows significant therapeutic potential. Researchers have developed a simple and effective online column-based clean-up method to remove salts and metal adducts from larger oligonucleotide samples for mass spectrometry analysis. This method successfully sequenced 100-nucleotide-long sgRNAs, providing an easy approach for analyzing and sequencing chemically modified oligonucleotides.
ANALYTICAL CHEMISTRY
(2023)
Article
Energy & Fuels
S. Y. Misyura, I. G. Donskoy, A. Y. Manakov, V. S. Morozov, P. A. Strizhak, S. S. Skiba, A. K. Sagidullin
Summary: To date, there are no reliable and simple calculation models that simulate the kinetics of dissociation at negative temperatures. One of the important problems is to reduce the cost of storage and transportation of natural gas hydrates. The paper presents experimental data on the effect of layer thickness and temperature on the dissociation kinetics, as well as the effect of the external air velocity.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Chemistry, Physical
Gwenda F. Vasse, Pedro Buzon, Barbro N. Melgert, Wouter H. Roos, Patrick van Rijn
Summary: Researchers successfully tracked the immediate responses of single macrophages to biochemical stimuli by combining optical tweezers, confocal fluorescence microscopy, and microfluidics. This approach eliminates delay times introduced by other techniques during the stimulation procedure and provides an unprecedented view of the early kinetics of macrophage polarization.
Article
Oncology
Lingmin Zheng, Peirong Jiang, Danjie Lin, Xiaodan Chen, Tianjin Zhong, Rufei Zhang, Jing Chen, Yang Song, Yunjing Xue, Lin Lin
Summary: This study compared different MR diffusion-weighted imaging techniques in predicting the consistency of meningiomas. The results showed that histogram parameters of Alpha and D* may serve as better imaging biomarkers to aid in predicting the consistency of meningiomas.
Article
Multidisciplinary Sciences
Samantha Sbarra, Louis Waquier, Stephan Suffit, Aristide Lemaitre, Ivan Favero
Summary: The article presents a miniature optomechanical resonator that can detect the evaporation dynamics of nanodroplets in real-time with millisecond resolution. The research found that the droplet continues to shrink during evaporation and forms a thin film.
NATURE COMMUNICATIONS
(2022)
Article
Engineering, Petroleum
Jianbo Zhang, Zhiyuan Wang, Shengnan Chen, Jihao Pei, Nan Ma, Shikun Tong, Wenqiang Lou, Baojiang Sun
Summary: Research shows that diameter reductions in flowlines can facilitate the deposition of hydrate particles on pipe walls and the formation of a hydrate deposition layer. Fluid shear force causes hydrate sloughing during the growth of the deposition layer. Increasing diameter reduction or subcooling leads to significantly increased hydrate deposition, resulting in shorter time for hydrate plugging.
Article
Chemistry, Physical
Kaixuan Gu, Chen Li, Bin Jiang, Sen Lin, Hua Guo
Summary: The dissociative chemisorption of H2 (D2) and the subsequent H* (D*) diffusion on the Pt doped Cu(111) surface were investigated, showing that the diffusion of adsorbed H* can be largely characterized by classical mechanics at moderate temperatures. The importance of the nonadiabatic interaction for H* diffusion on metal surfaces was underscored by the results.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Nanoscience & Nanotechnology
Tae Soup Shim, Zaki G. Estephan, Zhaoxia Qian, Jacob H. Prosser, Su Yeon Lee, David M. Chenoweth, Daeyeon Lee, So-Jung Park, John C. Crocker
NATURE NANOTECHNOLOGY
(2017)
Article
Chemistry, Multidisciplinary
Yifan Wang, James T. McGinley, John C. Crocker
Article
Physics, Multidisciplinary
Ian C. Jenkins, John C. Crocker, Talid Sinno
PHYSICAL REVIEW LETTERS
(2017)
Article
Chemistry, Physical
Young Ki Lee, Christopher Porter, Scott L. Diamond, John C. Crocker, Talid Sinno
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2018)
Article
Physics, Multidisciplinary
Mehdi Molaei, Ehsan Atefi, John C. Crocker
PHYSICAL REVIEW LETTERS
(2018)
Meeting Abstract
Biophysics
Yu Shi, Daniel H. Reich, Christopher L. Porter, John C. Crocker
BIOPHYSICAL JOURNAL
(2019)
Article
Multidisciplinary Sciences
Yu Shi, Christopher L. Porter, John C. Crocker, Daniel H. Reich
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2019)
Article
Chemistry, Physical
Mehdi Molaei, John C. Crocker
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2020)
Article
Physics, Applied
Katie A. Rose, Mehdi Molaei, Michael J. Boyle, Daeyeon Lee, John C. Crocker, Russell J. Composto
JOURNAL OF APPLIED PHYSICS
(2020)
Article
Multidisciplinary Sciences
Young Ki Lee, Xiaoguai Li, Paris Perdikaris, John C. Crocker, Celia Reina, Talid Sinno
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2020)
Article
Biophysics
Christopher L. Porter, Scott L. Diamond, Talid Sinno, John C. Crocker
Summary: This study presents an experimental model for simulating cell rolling using polymer microspheres with known adhesive properties. The simulation framework effectively captures the rolling velocity and trajectory variations, confirming its ability to model complex rolling cell systems.
BIOPHYSICAL JOURNAL
(2021)
Article
Physics, Multidisciplinary
Mehdi Molaei, Nicholas G. Chisholm, Jiayi Deng, John C. Crocker, Kathleen J. Stebe
Summary: Understanding the flow dynamics created by particle motion at interfaces is crucial for studying hydrodynamic interactions and colloidal self organization. Correlated displacement velocimetry has been developed to measure flow fields around interfacially trapped particles, providing key insights into the interface's mechanical response. The flow structure also contains information about interfacial properties and hydrodynamic coupling with the bulk fluid, enabling predictions of the interface's response to applied complex forces.
PHYSICAL REVIEW LETTERS
(2021)
Article
Physics, Multidisciplinary
Mehdi Molaei, Sreeja Kutti Kandy, Zachary T. Graber, Tobias Baumgart, Ravi Radhakrishnan, John C. Crocker
Summary: The measurements of gold nanorods can provide insights into the bending undulations and mechanical properties of lipid bilayer membranes. This research is important for understanding the structure and function of cells.
PHYSICAL REVIEW RESEARCH
(2022)
Article
Cell Biology
Yu Shi, Shankar Sivarajan, Katherine M. Xiang, Geran M. Kostecki, Leslie Tung, John C. Crocker, Daniel H. Reich
Summary: This study reveals the presence of sudden dynamic reconfigurations and displacements in the actomyosin cortex of cells, termed cytoquakes, across different cell types and mechanical environments. These fluctuations may indicate a marginally stable mechanical state of the cortex, which could contribute to cell mechanical properties, active behavior, and mechanosensing.
INTEGRATIVE BIOLOGY
(2021)
Review
Chemistry, Physical
Christopher L. Porter, John C. Crocker
CURRENT OPINION IN COLLOID & INTERFACE SCIENCE
(2017)
