Combinatorial method to investigate cystine enantiomers using vibrational spectroscopies

Zhang, Xun; Zhu, Zhenqi; Bian, Yujing; Zeng, Ruonan; Zhou, Wenlong; Yang, Bin

doi:10.1016/j.infrared.2022.104406

Cited by 3 publications

(3 citation statements)

References 41 publications

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“…Raman spectroscopy and LC analyses are in Figure 4c,d. Zhang et al [48] used in his work the characterization by Raman spectroscopy of cystine. Uric acid and its corresponding salts constitute, in most kidney stones, the germ of the biomineral nucleation process [44].…”

Section: Cystinementioning

confidence: 99%

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Kidney Stones: Crystal Characterization

González-Enguita,

García-Giménez

2024

Crystals

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The variety of types that appear in kidney stones makes it necessary to describe them to try to understand their formation. The crystalline phases recognized in stones are classified according to their chemical composition. For this reason, a study using X-ray microdiffraction, Raman spectroscopy, SEM/EDX analysis, and cathodoluminescence (CL) is recommended, to identify their composition. In the present study, this was carried out on kidney stones collected from surgeries in hospitals from Spain. The samples were collected in two representative urban centers: one from a large city, Madrid; the other with a mostly rural population, in order to contrast the possible compositions of the kidney stones. In large cities, struvite appears more frequently, although calcium oxalates are very common in both areas. An attempt was made to provide a guide to the most frequent phases, accompanied by four analysis methods that make their identification possible.

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Section: Cystinementioning

confidence: 99%

“…Raman spectroscopy and LC analyses are in Figure 4c,d. Zhang et al [48] used in his work the characterization by Raman spectroscopy of cystine.…”

Section: Cystinementioning

confidence: 99%

Kidney Stones: Crystal Characterization

González-Enguita,

García-Giménez

2024

Crystals

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“…The chiral differentiation achieved by NPG NPs eliminates the necessity for the use of secondary probe molecules in traditional SERS techniques. [ 81 ] It is critical in chiral synthesis, diagnosis of diseases, and other biomedicine fields. [ 80 ]…”

Section: Porous Noble Metal‐based Nanomaterials For Optical Applicationsmentioning

confidence: 99%

Porous Noble Metal‐Based Nanomaterials in Biomedical Applications

Zhang,

Yang,

et al. 2023

Advanced NanoBiomed Research

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Noble metal‐based nanomaterials have attracted tremendous attention in biomedical applications due to their unique electrical, optical, and chemical properties, playing crucial roles in the ultrasensitive detection of biomarkers, bioimaging, cancer therapy, etc. Especially, porous noble metal‐based nanomaterials show superior performance due to the large specific area and multiple active sites. Platforms constructed from porous noble metal‐based nanomaterials are emerging as highly promising tools for various biomedical applications. Herein, the properties and synthesis strategies of porous noble metal‐based nanomaterials are briefly introduced. Then the recent progress of porous noble metal‐based nanomaterials in the biomedical field is highlighted, focusing primarily on their applications in optics, electrochemistry, and mass spectrometry. Finally, the challenges related to fabrication and biocompatibility for their applications while also providing an outlook on their widespread use in clinical situations are discussed. This review aims to provide further insights into the design of porous noble metal‐based nanomaterials and expand their applications in the biomedical field.

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Analytical Methods for Assessing Thiol Antioxidants in Biological Fluids: A Review

Poimenova,

Sozarukova,

Ratova

et al. 2024

Molecules

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Redox metabolism is an integral part of the glutathione system, encompassing reduced and oxidized glutathione, hydrogen peroxide, and associated enzymes. This core process orchestrates a network of thiol antioxidants like thioredoxins and peroxiredoxins, alongside critical thiol-containing proteins such as mercaptoalbumin. Modifications to thiol-containing proteins, including oxidation and glutathionylation, regulate cellular signaling influencing gene activities in inflammation and carcinogenesis. Analyzing thiol antioxidants, especially glutathione, in biological fluids offers insights into pathological conditions. This review discusses the analytical methods for biothiol determination, mainly in blood plasma. The study includes all key methodological aspects of spectroscopy, chromatography, electrochemistry, and mass spectrometry, highlighting their principles, benefits, limitations, and recent advancements that were not included in previously published reviews. Sample preparation and factors affecting thiol antioxidant measurements are discussed. The review reveals that the choice of analytical procedures should be based on the specific requirements of the research. Spectrophotometric methods are simple and cost-effective but may need more specificity. Chromatographic techniques have excellent separation capabilities but require longer analysis times. Electrochemical methods enable real-time monitoring but have disadvantages such as interference. Mass spectrometry-based approaches have high sensitivity and selectivity but require sophisticated instrumentation. Combining multiple techniques can provide comprehensive information on thiol antioxidant levels in biological fluids, enabling clearer insights into their roles in health and disease. This review covers the time span from 2010 to mid-2024, and the data were obtained from the SciFinder® (ACS), Google Scholar (Google), PubMed®, and ScienceDirect (Scopus) databases through a combination search approach using keywords.

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Combinatorial method to investigate cystine enantiomers using vibrational spectroscopies

Cited by 3 publications

References 41 publications

Kidney Stones: Crystal Characterization

Kidney Stones: Crystal Characterization

Porous Noble Metal‐Based Nanomaterials in Biomedical Applications

Analytical Methods for Assessing Thiol Antioxidants in Biological Fluids: A Review

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