Results 161 to 170 of about 169,076 (377)

Label-free high-throughput photoacoustic tomography of suspected circulating melanoma tumor cells in patients in vivo [PDF]

, 2020
Significance: Detection and characterization of circulating tumor cells (CTCs), a key determinant of metastasis, are critical for determining risk of disease progression, understanding metastatic pathways, and facilitating early clinical intervention.
Cornelius, Lynn A., Hai, Pengfei, Li, Yang, Qu, Yuan, Shmuylovich, Leonid, Wang, Lihong V., Zhu, Liren   +6 more
core   +1 more source

Harnessing nanomaterials to precisely regulate the immunosuppressive tumor microenvironment for enhanced immunotherapy

BMEMat, EarlyView.
The immunosuppressive tumor microenvironment, characterized by hypoxia, redox imbalance, elevated interstitial fluid pressure, and acidity, was comprehensively elucidated. This review discussed the etiology and consequences of the characteristics of the immunosuppressive tumor microenvironment, and analyzed the recent advancements in nanomaterials for ...
Wen Zhang, Xueyin Hu, Wei Cheng, Lumeng Zhang, Yuanfang Chen, Qinrui Fu, Luntao Liu, Saijun Fan   +7 more
wiley   +1 more source

Exploring the Discrepancies in the Biological Activities of Extracts From Guadua angustifolia Var. Bicolor Londoño Collected in Two Different Sites

Chemistry &Biodiversity, EarlyView.
ABSTRACT Guadua angustifolia var. bicolor Lodoño is a Colombian bamboo species that has shown promising medicinal properties. This study aims to investigate the differences in the chemical composition and biological activity of extracts from two different populations of G. angustifolia var. bicolor, collected in Bauru and Tatuí, Brazil.
João Kazlauckas, Maria Tereza Grombone Guaratini, Paulo Roberto H. Moreno   +2 more
wiley   +1 more source

Quantum Yield Calculations for Strongly Absorbing Chromophores

, 2006
This article demonstrates that a commonly-made assumption in quantum yield calculations may produce errors of up to 25% in extreme cases and can be corrected by a simple modification to the analysis.Comment: 3 pages, 2 figures.
A Credi, A Santhi, AS Chauvin, B Fanget, CD Donega, JH Brannon, JN Demas, JR Lakowicz, LFV Ferreira, S Nighswander-Rempel, SI Vavilov, SP Nighswander-Rempel, Stephen P. Nighswander-Rempel, WH Melhuish, WR Ware   +14 more
core   +1 more source

Efficacy of Essential Oil of Algrizea minor Sobral, Faria & Proença (Myrtaceae) in Combating Methicillin‐resistant Staphylococcus aureus: Antibacterial and Virulence Modulation Studies Conducted In Vitro and In Vivo

Chemistry &Biodiversity, EarlyView.
This study explored the antibacterial, antivirulence, and in vivo effects of Algrizea minor essential oil (EOAM), against MRSA isolates. Chemical analysis by GC‐MS has been performed. The oil exhibited synergistic effects when combined with amoxicillin and oxacillin, inhibiting biofilm formation and reducing S. aureus‐induced hemolysis.
Amanda Vieira de Barros, Bruno Oliveira de Veras, Henrique Nelson Pereira Costa Júnior, Raudiney Frankilin Vasconcelos Mendes, Patryck Érmerson Monteiro dos Santos, Jael Fernandes Tavares, Daniela Maria do Amaral Ferraz Navarro, Rafael Matos Ximenes, Patrícia Maria Guedes Paiva, Clovis Macedo Bezerra Filho, Josinaldo Alves da Silva, Márcia Vanusa da Silva, João Paulo Martins de Lima, Henrique Douglas Melo Coutinho, Maria Betânia Melo de Oliveira   +14 more
wiley   +1 more source

Developing noniridescent structural color on flexible substrates with high bending resistance

, 2019
Nanostructured materials producing structural colors have great potential in replacing toxic metals or organic pigments. Electrophoretic deposition (EPD) is a promising method for producing these materials on a large scale, but it requires improvements ...
Dhinojwala, Ali, Echeverri, Mario, Li, Weiyao, Patil, Anvay, Shawkey, Matthew, Xiao, Ming   +5 more
core   +1 more source

Antiaging, Wound‐Healing Properties and Chemical Characterization of Crude Hydroalcoholic Extract and Fractions of Myrcia neoobscura

Chemistry &Biodiversity, EarlyView.
ABSTRACT The aim of this study was to characterize the phytochemical profile and potential antiaging and wound‐healing activities of 70% hydroalcoholic crude extract (CHE) from Myrcia neoobscura leaves and its fractions—insoluble (IF), ethyl acetate (EAF), and aqueous (AF)—for use in phytocosmetics for skin application.
Larissa Mascarenhas Krepsky, Ana Helena Loos Moritz, Mayra Alice Corrêa Pitz, Letícia Bachmann, Diogo Alexandre Siebert, Paula Flegar, Stjepan Lešnjak, Ana Tirić, Amanda Tavares Germano, Mayara da Silva, Carlos Rafael Vaz, Larissa Benvenutti, André Luís de Gasper, José Roberto Santin, Isabel Daufenback Machado, Luciano Vitali, Marijana Zovko Končić, Michele Debiasi Alberton   +17 more
wiley   +1 more source

Composition, Chemical Variability, and Anti‐inflammatory Activity of the Berry Essential Oil of Juniperus phoenicea L. var. Turbinata From Algeria

Chemistry &Biodiversity, EarlyView.
ABSTRACT The chemical composition of 66 oil samples isolated from the berries of individual trees of Juniperus phoenicea var. turbinata, collected in six locations from Algeria, was investigated by gas chromatography with flame ionization detection, gas chromatography‐mass spectrometry, and 13C‐nuclear magnetic resonance.
Chérifa Yassamine Osmani, Chahrazed Bekhechi, Charaf Eddine Watheq Malti, Haciba Meziane, Joseph Casanova, Mathieu Paoli, Félix Tomi   +6 more
wiley   +1 more source

Supporting Black Women in Counselor Education Through Holistic Writing Retreats

Counselor Education and Supervision, EarlyView.
ABSTRACT This study investigates the role of the Melanin Scholars Retreat, a writing and wellness retreat that centers the voices of Black women faculty and doctoral students in counselor education, in supporting their professional and personal well‐being.
Aiesha T. Lee, Natoya Haskins, Galaxina G. Wright, Brittany Williams, Briana Gaines, Janelle Jones, Atiya R. Smith   +6 more
wiley   +1 more source

Fluorescence Lifetime Imaging Microscopy Analysis of Isolated Melanosomes

ChemPhysChem, EarlyView.
Using fast fluorescence lifetime imaging microscopy, the study tracks isolated bovine and porcine melanosomes during 60 min of 515 nm laser exposure. Two decay components lengthen progressively, while amplitude ratios shift, evidencing rapid photo‐oxidative and structural alterations of melanin.
Mykyta Kizilov, Sujeong Jung, Vsevolod Cheburkanov, Vladislav V. Yakovlev   +3 more
wiley   +1 more source