Results 41 to 50 of about 489,237 (351)

A Palm fossil closely related to Chamaerops humilis L. from the Lower Miocene of Sardinia [PDF]

open access: yes, 1990
This paper deals with the anatomical and histological study of a silicified specimen of a palm consisting of a part of the trunk surrounded by roots. The sample comes from the Lower Miocene of North West Sardinia.
Biondi, Edoardo   +1 more
core  

Vulnerability to xylem embolism correlates to wood parenchyma fraction in Angiosperms but not in Gymnosperms.

open access: yesTree Physiology, 2019
Understanding which structural and functional traits are linked to species vulnerability to embolism formation (P50) may provide fundamental knowledge on plant strategies to maintain an efficient water transport.
Natasa Kiorapostolou   +6 more
semanticscholar   +1 more source

A 3D Biofabricated Disease Model Mimicking the Brain Extracellular Matrix Suitable to Characterize Intrinsic Neuronal Network Alterations in the Presence of a Breast Tumor Disseminated to the Brain

open access: yesAdvanced Functional Materials, EarlyView.
A 3D disease model is developed using customized hyaluronic‐acid‐based hydrogels supplemented with extracellular matrix (ECM) proteins resembling brain ECM properties. Neurons, astrocytes, and tumor cells are used to mimic the native brain surrounding.
Esra Türker   +16 more
wiley   +1 more source

A totally laparoscopic associating liver partition and portal vein ligation for staged hepatectomy assisted with radiofrequency (radiofrequency assisted liver partition with portal vein ligation) for staged liver resection [PDF]

open access: yes, 2016
In order to induce liver hypertrophy to enable liver resection in patients with a small future liver remnant, various methods have been proposed in addition to portal vein embolisation.
Fajardo, A   +6 more
core   +1 more source

Expanding Chemical Space of Nucleic Acid Nanoparticles for Tunable Antiviral‐Like Immunomodulatory Responses and Potent Adjuvant Activity

open access: yesAdvanced Functional Materials, EarlyView.
We introduce a nucleic acid nanoparticle (NANP) platform designed to be rrecognized by the human innate immune system in a regulated manner. By changing chemical composition while maintaining constant architectural parameters, we identify key determinants of immunorecognition enabling the rational design of NANPs with tunable immune activation profiles
Martin Panigaj   +21 more
wiley   +1 more source

A Single‐Metal‐Doped Nanoplatform for Ferroptosis‐Driven cGAS‐STING Pathway Activation in Hepatocellular Carcinoma Immunotherapy

open access: yesAdvanced Functional Materials, EarlyView.
The cGAS‐STING pathway boosts HCC antitumor immunity but lacks specific activation. Nanoplatform ZMRPF induces HCC ferroptosis via lipid ROS, releasing mtDNA. It synergizes with ZMRPF‐released Mn2⁺ to activate cGAS‐STING, amplifies antigen‐presenting cell activity, reverses HCC immunosuppression, and enables robust systemic antitumor immunity ...
Yuchen Zhang   +13 more
wiley   +1 more source

Sarcoidosis Presenting as Acute Respiratory Distress Syndrome. [PDF]

open access: yes, 2018
Sarcoidosis is a multisystem granulomatous disease of unknown origin. It typically involves the lungs and mediastinal lymph nodes in a chronic fashion. However, acute syndrome has been reported possibly in response to systemic release of proinflammatory ...
Chan, Vincent   +3 more
core   +2 more sources

Pulsatile flow drivers in brain parenchyma and perivascular spaces: a resistance network model study

open access: yesFluids and Barriers of the CNS, 2018
BackgroundIn animal models, dissolved compounds in the subarachnoid space and parenchyma have been found to preferentially transport through the cortex perivascular spaces (PVS) but the transport phenomena involved are unclear.MethodsIn this study two ...
Julian A. Rey, M. Sarntinoranont
semanticscholar   +1 more source

Synthetic Nanobiology Actuated Lipometabolic Cell Factory for Autologous Tumor Immunotherapy

open access: yesAdvanced Functional Materials, EarlyView.
FA plays a crucial role in the interaction between tumor cells and the tumor microenvironment, especially for the immune response. A biocatalytic immunoenhancement strategy is developed to boost antitumor immunity by FA metabolic orientation to ceramide. Through the design of this delicate catalytic immunoenhancement strategy, the synthetic nanobiology
Shoujie Zhao   +8 more
wiley   +1 more source

Susceptibility of rubber trees to Loranthaceae in Gabon [PDF]

open access: yes, 2009
In Gabon, two major species of Loranthaceae, Phragmanthera capitata (Sprengel) Balle and Globimetula braunii (Engl.) Danser to a lesser extent, parasitize Hevea brasiliensis (Muumlll.) Arg.
Engone Obiang, Nestor Laurier   +3 more
core   +1 more source

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