Results 31 to 40 of about 58,333 (298)

An Approach to Developing Cyanines with Upconverted Photosensitive Efficiency Enhancement for Highly Efficient NIR Tumor Phototheranostics

Advanced Science, 2022
Upconverted reactive oxygen species (ROS) photosensitization with one‐photon excitation mode is a promising tactic to elongate the excitation wavelengths of photosensitive dyes to near‐infrared (NIR) light region without the requirement of coherent high ...
Xueze Zhao, Shan He, Weijie Chi, Xiaogang Liu, Pengzhong Chen, Wen Sun, Jianjun Du, Jiangli Fan, Xiaojun Peng   +8 more
doaj   +1 more source

Spontaneous and experimental poisoning by Myrocarpus frondosus in cattle

Pesquisa Veterinária Brasileira
: An outbreak of photosensitization in Holstein and Jersey cattle occurred after the passage of an extratropical cyclone in Southern Brazil. On that occasion, several trees fell, including some of the species Myrocarpus frondosus (Fabaceae family ...
Tainara R. Tineli, Daiane Ogliari, Daniela Raldi, Jean C.O. Menegatt, Elaine Melchioreto, Aldo Gava   +5 more
doaj   +1 more source

Potent Virucidal Activity In Vitro of Photodynamic Therapy with Hypericum Extract as Photosensitizer and White Light against Human Coronavirus HCoV-229E

Pharmaceutics, 2022
The emergent human coronavirus SARS-CoV-2 and its high infectivity rate has highlighted the strong need for new virucidal treatments. In this sense, the use of photodynamic therapy (PDT) with white light, to take advantage of the sunlight, is a potent ...
Beatriz Praena, Marta Mascaraque, Sabina Andreu, Raquel Bello-Morales, Edgar Abarca-Lachen, Valentina Rapozzi, Yolanda Gilaberte, Salvador González, José Antonio López-Guerrero, Ángeles Juarranz   +9 more
doaj   +1 more source

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

FEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová, Grigorii Rakhalskii, Miroslav Almáši   +2 more
wiley   +1 more source

Photosensitization Mechanisms of Triplet Excited State β-Lapachone. A Density Functional Theory Study

Natural Product Communications, 2011
β-Lapachone is a natural product with multiple pharmacological activities and mechanistic studies indicated that reactive oxygen species (ROS) generated by β-lapachone play significant roles in its pharmacological actions.
Liang Shen
doaj   +1 more source

Strain‐Programmable Luminescent Adhesive Patch With Tartrazine‐Mediated Optical Skin Clearing for Photochemical Tissue Bonding

Advanced Functional Materials, EarlyView.
We propose a suture‐complementary approach that integrates optical skin clearing with a strain‐programmable luminescent adhesive patch. Hyaluronic acid promotes transdermal delivery of tartrazine to improve optical clearing and stabilizes its interaction with a photosensitizer. Optical clearing increases the penetration depth of visible light into skin,
Seong‐Jong Kim, Kyungjoo Jo, Kwanghyeon Park, Jun Hee Kim, Jong Hyeong Cho, Inhoo Choi, Sei Kwang Hahn   +6 more
wiley   +1 more source

Intrinsic Photoactive Star ZnPc–Poly(glutamate) Nanoplatforms for Multimodal Glioblastoma Therapy and Brain‐Targeted Delivery

Advanced Functional Materials, EarlyView.
An intrinsic photoactive star‐shaped zinc phtalocyanine‐poly(L‐glutamic acid) (ZnPc‐PGA) nanoplatform for multimodal glioblastoma (GBM) therapy and brain‐targeted elivery. A ZnPc‐PGA‐based multifunctional theranostic nanocarrier platform enables image‐guided, multimodal GBM therapy. ZnPc‐PGA nanocarriers support the integration of fluorescence imaging,
Amina Benaicha‐Fernández, Teodora Ranđelović, Ana Armiñán, Víctor Sebastián, Manuel Fuentes, Cristián Huck‐Iriart, Esther Masiá, Paula Carrascosa‐Marco, Pablo Juanes‐Velasco, Snežana Đorđević, Clara Bayona, Ignacio Ochoa, Maria Medel, Inmaculada Conejos‐Sánchez, María J. Vicent   +14 more
wiley   +1 more source

Long‐Range Coordination Environment Modulates Single‐Atom Local States and Systemic Impact on CO2 Photoconversion

Advanced Functional Materials, EarlyView.
Terminal groups on Cu porphyrins modulate the electronic states of single‐atom Cu centers through a long‐range electronic effect, without altering the Cu coordination geometry. Meanwhile, a multi‐descriptor framework is established that incorporates porphyrin regulation, hybrid catalyst properties, and CO2 photoreduction capabilities.
Yi Zhang, Jintao Dong, Xiahe Chen, Xiyang Wang, Tiange Wei, Yue Zhu, Tai‐Sing Wu, Yun‐Fang Yang, Shao‐Yuan Leu, Keke Wang, Yuanbin She, Huaming Li, Jiexiang Xia, Molly Meng‐Jung Li   +13 more
wiley   +1 more source

Resveratrol Modulates Oxidative Status in Rose Bengal Photosensitized Retinal Pigment Epithelial Cells

Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Food Science and Technology, 2018
Eye exposure to high light intensities can produce a photochemical damage to retinal pigment epithelium (RPE), leading to severe pathologies. RPE D407 cells treated with Resveratrol (RSV, 100 μM, 24h) +/- photosensitizer Rose Bengal (RB, 500 nM, 1h) were
Dumitriţa RUGINĂ, Mihaela POPESCU, Zoriţa DIACONEASA, Andrea BUNEA, Mădălina NISTOR, Diana MADA, Raluca GHIMAN, Adela PINTEA   +7 more
doaj   +1 more source

Persistence of Photosensitivity [PDF]

Epilepsia, 1997
Summary: Purpose: One hundred patients with photosensitive epilepsy were investigated as part of an ongoing follow‐up study. Average duration of follow‐up was 14 years; mean age at follow‐up was 27 years. Methods: All patients were EEG investigated using a standard technique of intermittent photic stimulation (IPS).
G F, Harding, A, Edson, P M, Jeavons
openaire   +2 more sources