Modeling Raman Spectra in Complex Environments: From Solutions to Surface-Enhanced Raman Scattering DOI Creative Commons
Tommaso Giovannini, Sara Gómez, Chiara Cappelli

et al.

The Journal of Physical Chemistry Letters, Journal Year: 2025, Volume and Issue: unknown, P. 3106 - 3121

Published: March 18, 2025

This perspective highlights the essential physicochemical factors required for accurate computational modeling of Raman and Resonance signals in complex environments. It theoretical challenges obtaining a balanced quantum mechanical description molecular target, integration target-environment interactions into Hamiltonian, explicit treatment strong such as hydrogen bonding. The dynamical sampling solute–solvent phase space incorporation plasmonic effects Surface-Enhanced Scattering (SERS) are also addressed. Through selected applications, we illustrate how these influence propose framework to tackle effectively, advancing reliability spectroscopy real-world scenarios.

Language: Английский

Machine Learning for Electronically Excited States of Molecules DOI Creative Commons
Julia Westermayr, Philipp Marquetand

Chemical Reviews, Journal Year: 2020, Volume and Issue: 121(16), P. 9873 - 9926

Published: Nov. 19, 2020

Electronically excited states of molecules are at the heart photochemistry, photophysics, as well photobiology and also play a role in material science. Their theoretical description requires highly accurate quantum chemical calculations, which computationally expensive. In this review, we focus on not only how machine learning is employed to speed up such excited-state simulations but branch artificial intelligence can be used advance exciting research field all its aspects. Discussed applications for include dynamics simulations, static calculations absorption spectra, many others. order put these studies into context, discuss promises pitfalls involved techniques. Since latter mostly based chemistry provide short introduction electronic structure methods approaches nonadiabatic describe tricks problems when using them molecules.

Language: Английский

Citations

343

Methane transformation by photocatalysis DOI
Xiyi Li, Chao Wang, Junwang Tang

et al.

Nature Reviews Materials, Journal Year: 2022, Volume and Issue: 7(8), P. 617 - 632

Published: Feb. 28, 2022

Language: Английский

Citations

252

Infrared Difference Spectroscopy of Proteins: From Bands to Bonds DOI Creative Commons
V. Lorenz

Chemical Reviews, Journal Year: 2020, Volume and Issue: 120(7), P. 3466 - 3576

Published: March 23, 2020

Infrared difference spectroscopy probes vibrational changes of proteins upon their perturbation. Compared with other spectroscopic methods, it stands out by its sensitivity to the protonation state, H-bonding, and conformation different groups in proteins, including peptide backbone, amino acid side chains, internal water molecules, or cofactors. In particular, detection H-bonding a time-resolved manner, not easily obtained techniques, is one most successful applications IR spectroscopy. The present review deals use perturbations designed specifically change protein between two (or more) functionally relevant states, strategy often referred as reaction-induced first half this contribution, I technique special emphasis given preparation suitable samples characterization, strategies for perturbation methodologies measurements (from nanoseconds minutes). second contribution focuses on spectral interpretation. It starts reviewing how medium polarity, coupling affect frequencies, intensities, bandwidths. followed band assignments, crucial aspect mostly performed help isotopic labeling site-directed mutagenesis, complemented integration interpretation results context studied protein, an increasingly supported calculations. Selected examples from literature, predominately but exclusively retinal are used illustrate topics covered review.

Language: Английский

Citations

194

NMR Provides Unique Insight into the Functional Dynamics and Interactions of Intrinsically Disordered Proteins DOI Creative Commons
Aldo R. Camacho‐Zarco,

Vincent Schnapka,

Serafima Guseva

et al.

Chemical Reviews, Journal Year: 2022, Volume and Issue: 122(10), P. 9331 - 9356

Published: April 21, 2022

Intrinsically disordered proteins are ubiquitous throughout all known proteomes, playing essential roles in aspects of cellular and extracellular biochemistry. To understand their function, it is necessary to determine structural dynamic behavior describe the physical chemistry interaction trajectories. Nuclear magnetic resonance perfectly adapted this task, providing ensemble averaged parameters that report on each assigned molecule, unveiling otherwise inaccessible insight into reaction kinetics thermodynamics for function. In review, we recent applications NMR-based approaches understanding conformational energy landscape, nature time scales local long-range dynamics how they depend environment, even cell. Finally, illustrate ability NMR uncover mechanistic basis functional molecular assemblies important human health.

Language: Английский

Citations

95

Protecting meat color: The interplay of betanin red and myoglobin through antioxidation and coloration DOI
Liuyu Su, Zerun Zhao,

Jiulin Xia

et al.

Food Chemistry, Journal Year: 2024, Volume and Issue: 442, P. 138410 - 138410

Published: Jan. 11, 2024

Language: Английский

Citations

21

Free Charge Carriers in Homo-Sorted π-Stacks of Donor–Acceptor Conjugates DOI
Meera Madhu, Remya Ramakrishnan, Vishnu Vijay

et al.

Chemical Reviews, Journal Year: 2021, Volume and Issue: 121(13), P. 8234 - 8284

Published: June 16, 2021

Inspired by the high photoconversion efficiency observed in natural light-harvesting systems, hierarchical organization of molecular building blocks has gained impetus past few decades. Particularly, arrangement and packing active layer organic solar cells (OSCs) have garnered significant attention due to decisive role nature donor/acceptor (D/A) heterojunctions charge carrier generation ultimately power conversion efficiency. This review focuses on recent developments emergent optoelectronic properties exhibited self-sorted donor-on-donor/acceptor-on-acceptor covalently linked D–A highlighting ultrafast excited state dynamics transfer transport. Segregated donors acceptors promotes delocalization photoinduced charges among stacks, engendering an enhanced separation lifetime percolation pathways with ambipolar conductivity yield. Covalently linking ensure a sufficient interface interchromophoric electronic coupling as required for faster while providing better control over their supramolecular assemblies. The design strategies attain conjugate assemblies optimal efficiency, scope application compared state-of-the-art OSCs, current challenges, future opportunities are discussed review. An integrated overview rational approaches derived from comprehension underlying processes can pave way toward superior devices bring new possibilities avenue functional architectures.

Language: Английский

Citations

100

The Local Vibrational Mode Theory and Its Place in the Vibrational Spectroscopy Arena DOI
Elfi Kraka, Mateus Quintano, Hunter La Force

et al.

The Journal of Physical Chemistry A, Journal Year: 2022, Volume and Issue: 126(47), P. 8781 - 8798

Published: Nov. 8, 2022

This Feature Article starts highlighting some recent experimental and theoretical advances in the field of IR Raman spectroscopy, giving a taste breadth dynamics this striving field. The local mode theory is then reviewed, showing how vibrational modes are derived from fundamental normal modes. New features introduced that add to current efforts: (i) unique measure bond strength based on force constants ranging bonding single molecules different environments periodic systems crystals (ii) new way interpret spectra by pinpointing probing interactions between particular stretching contributions All represents means work around very nature modes, namely motions polyatomic delocalized. Three focus points analysis reported, demonstrating extracts important information hidden spectroscopy data supporting experiments: metal–ligand heme proteins, such as myoglobin neuroglobin; disentanglement DNA modes; (iii) hydrogen water clusters ice. Finally, use other research groups summarized. Our vision future will be routinely applied community serves an incubator for collaborations experiment theory.

Language: Английский

Citations

58

Engineering large-scaled electrochromic semiconductor films as reproductive SERS substrates for operando investigation at the solid/liquid interfaces DOI
Lingling Yang, Jiu‐Ju Feng, Jianing Wang

et al.

Chinese Chemical Letters, Journal Year: 2022, Volume and Issue: 33(12), P. 5169 - 5173

Published: March 7, 2022

Language: Английский

Citations

54

Rapidly determining the 3D structure of proteins by surface-enhanced Raman spectroscopy DOI Creative Commons
Hao Ma,

Sen Yan,

Xinyu Lu

et al.

Science Advances, Journal Year: 2023, Volume and Issue: 9(47)

Published: Nov. 22, 2023

Despite great advances in protein structure analysis, label-free and ultrasensitive methods to obtain the natural dynamic three-dimensional (3D) structures are still urgently needed. Surface-enhanced Raman spectroscopy (SERS) can be a good candidate, whereas complexity originated from interactions between gradient surface electric field makes it extremely challenging determine structure. Here, we propose deciphering strategy for accurate determination of 3D experimental SERS spectra seconds by simply summing isolated amino acids fields different strength with their orientations protein. The reconstructed comparing obtained well-defined gap-mode configuration simulated spectra. endows unique advantage section biomolecules atomic precision, which competent tool monitoring biomolecular events under physiological conditions.

Language: Английский

Citations

30

Rapid start-up sulfur-driven autotrophic denitrification granular process: Extracellular electron transfer pathways and microbial community evolution DOI

Wen-Jie Ma,

Hanmin Zhang, Yu Tian

et al.

Bioresource Technology, Journal Year: 2024, Volume and Issue: 395, P. 130331 - 130331

Published: Jan. 17, 2024

Language: Английский

Citations

14