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"Confocal microscope images are wide useful in medical diagnosis and research. The automatic interpretation of this type of images is very important but it is a challenging endeavor in image processing area, since these ...

Molecular excitation by the simultaneous absorption of two photons provides intrinsic three-dimensional resolution in laser scanning fluorescence microscopy. The excitation of fluorophores having single-photon absorption...

Materias / palabras clave: Electron microscope; Cryo-electron microscopy; Microscopy; Anisotropy; Materials science; Motion (physics); Optics; Electron; Biophysics; Physics; Nanotechnology; Nuclear magnetic resonance

The deposition of chlorhexidine base on thermosensitive N-isopropylacrylamide polymeric microparticles was assessed in this study using energy dispersive X-ray spectrometry (EDXS) in scanning electron microscopy (SEM) se...

The outbreak of a novel coronavirus (2019-nCoV) represents a pandemic threat that has been declared a public health emergency of international concern. The CoV spike (S) glycoprotein is a key target for vaccines, therape...

We introduce a method for optically imaging intracellular proteins at nanometer spatial resolution. Numerous sparse subsets of photoactivatable fluorescent protein molecules were activated, localized (to approximately 2 ...

The scanning tunneling microscope is proposed as a method to measure forces as small as ${10}^{\ensuremath{-}18}$ N. As one application for this concept, we introduce a new type of microscope capable of investigating sur...

Segmentation in biological images is essential for the determination of biological parameters that allow the construction of models of several biological problems. This helps to establish clear relationships between thos...

The purpose of this study was to investigate the impregnation of chitosan microspheres with the natural dye curcuma. The impregnation with curcuma dye was investigated in aqueous medium at pH 9.0, 9.5 and 10.0. The proce...

Randia armata (Sw.) DC., Rubiaceae is a shrub or small tree known as limoeiro-do-mato in Portuguese and widely distributed in Brazil. The vegetative parts are used as wound healing and anti-inflammatory in folk medicine....

Momordica tuberosa (Cucurbitaceae) is traditionally used as abortifacient in India. Morphoanatomy, physicochemical and phytochemical nature of fruits and seeds of this plant were studied in order to contribute to complet...