Results 251 to 260 of about 1,394,231 (311)

Acute caffeine treatment protects the developing retina from ischemia‐induced cell death

FEBS Open Bio, EarlyView.
Caffeine reduces cell death in the developing retina under ischemia (OGD). This effect does not involve BDNF upregulation or antioxidant pathways (NRF2/VEGF). Neuroprotection occurs mainly through adenosine A2A receptor antagonism, decreasing glutamate release and excitotoxicity, highlighting caffeine's potential as an acute neuroprotective agent in ...
Amanda Alves Nascimento, Danniel Pereira‐Figueiredo, Gabriella Grossi de Lima Dias, Gabriel Ferreira dos Santos, Mariana Rodrigues Pereira, Rafael Brito, Karin C Calaza   +6 more
wiley   +1 more source

3D polarization-interference holographic histology for wavelet-based differentiation of the polycrystalline component of biological tissues with different necrotic states. Forensic applications. [PDF]

J Biomed Opt
Ushenko A, Dubolazov A, Zheng J, Litvinenko A, Gorsky M, Ushenko Y, Soltys I, Salega O, Chen Z, Wanchuliak O.   +9 more
europepmc   +1 more source

Pharmacological inhibition of the PERK pathway modulates hepatocellular carcinoma growth and immune signaling

FEBS Open Bio, EarlyView.
Pharmacological inhibition of PERK in a DEN‐induced mouse model of liver cancer does not reduce tumor burden but alters cellular stress signaling. Despite blocking PERK activity, downstream stress responses, including CHOP expression, remain active, suggesting compensatory mechanisms within the unfolded protein response that may influence tumor ...
Ada Lerma‐Clavero, Maria Kopsida, Nathalie Arendt, Hans Lennernäs, Markus Sjöblom, Femke Heindryckx   +5 more
wiley   +1 more source

Terahertz Imaging of Biological Tissues

, 2011
A reflective THz imaging system sensitive to small variations in water concentrations has been developed. Biological tissues such as skin, eyes and teeth were imaged to ascertain the systems response to tissue hydration. Difference in water concentrations translated to contrast in the THz images.
Priyamvada Tewari, Zachary D. Taylor, David Bennett, Rahul S. Singh, Martin O. Culjat, Colin P. Kealey, Jean Pierre Hubschman, Shane N. White, Alistair Cochran, Elliott R. Brown, Warren S. Grundfest   +10 more
openaire   +3 more sources

Drug Release in Biological Tissues

, 2013
Problems involving the release of a drug from a polymeric gel matrix into biological tissues arise in a number of scientific and bioengineering disciplines. Important technological areas include drug-eluting stents for the prevention of restenosis [1–6]
F de Monte, G Pontrelli, S Becker
openaire   +4 more sources

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Fibrin adherence to biologic tissues

Journal of Surgical Research, 1978
Abstract Studies have been done to determine the biologic adherence characteristics of fibrin to tissue. The presence of fibrin bound to tissue was traced and confirmed by immunofluorescent microscopy utilizing rabbit anti-human fibrin fluorescein isothiocyanate.
R L, Burleson, N, Ennulat
openaire   +2 more sources

Photodynamic Biologic Tissue Glue

Cornea, 1994
We studied both heat- and light-activated tissue glues, and while a heat-activated mixture such as albumin and fluorescein isothiocyanate was effective, we believed that a light-activated substance would have less of an effect on adjacent tissue. Our glue uses a photosensitive singlet oxygen generator to cross-link a protein solder with corneal stromal
J, Khadem, T, Truong, J T, Ernest
openaire   +2 more sources

Permeability of technical and biological tissues

Clinical Hemorheology and Microcirculation, 2009
The permeability of a material is described by the amount of substances (gases, liquids, particles) passing through pores and/or interstices of the material in a certain time. In medicine and biotechnology the permeability is given usually as the amount of water (ml × cm −2 × min
R P, Franke, R, Fuhrmann, B, Hiebl, C, Mrowietz, F, Jung   +4 more
openaire   +2 more sources

Determination of linamarin in biological tissues

Analytical Biochemistry, 1977
Abstract A new paper chromatography method for determination of intact cyanogenic glucoside linamarin is based on a reaction with p -anisaldehyde at 85°C; the reaction produces a pink color which is brightly fluorescent under long-wave uv light.
A, Zitnak, D C, Hill, J C, Alexander
openaire   +2 more sources

Ultrasonic Tomography of Biological Tissue

Ultrasonic Imaging, 1994
In this paper, quantitative tomographic reconstructions of biological tissue are presented. First, the experimental setup and a hybrid filtered backpropagation (FBP) technique are briefly described. Using this technique, which includes exact backpropagation of data prior to reconstruction by means of the classical FBP algorithm, quantitative velocity ...
N, Sponheim, L J, Gelius, I, Johansen, J J, Stamnes   +3 more
openaire   +2 more sources