What's the difference between fluorescein and visible?

Fluorescein


Definition:

  • (n.) A yellowish red, crystalline substance, C20H12O5, produced by heating together phthalic anhydride and resorcin; -- so called, from the very brilliant yellowish green fluorescence of its alkaline solutions. It has acid properties, and its salts of the alkalies are known to the trade under the name of uranin.

Example Sentences:

  • (1) We have evaluated the life-span of B lymphocytes by measuring the functional reactivity of normal B cells upon transfer into xid mice, which do not respond to anti-mu, fluoresceinated-Ficoll (FL-Ficoll) and 2,4,6-trinitrophenyl aminoethylcarbamylmethyl Ficoll (TNP-Ficoll).
  • (2) In 60 rhesus monkeys with experimental renovascular malignant arterial hypertension (25 one-kidney and 35 two-kidney model animals), we studied the so-called 'hard exudates' or white retinal deposits in detail (by ophthalmoscopy, and stereoscopic color fundus photography and fluorescein fundus angiography, on long-term follow-up).
  • (3) Fluorescein isothiocyanate (FITC)-ricin exhibited binding to schistosomula and adult worms, but not to cercariae or to freshly transformed schistosomula.
  • (4) The greater biliary excretion and hepatic extraction of cholyl-lys-F relative to free fluorescein further suggest that conjugation with a bile salt may be an efficient way of targeting compounds to the liver.
  • (5) Fluorescein-coupled peanut agglutinin (PNA) has been used at the single-cell level to study mouse lymphocyte subpopulations.
  • (6) Commercially available fluorescein-conjugated somatic antiserum was used in comparing this method with conventional culture, biochemical, and serological procedures.
  • (7) Renal tissues from two groups of patients were studied with fluorescein-labeled (Fl-) antibodies (Abs) to immunoglobulins, complement, and antibodies prepared in rabbits against BSA conjugate of 5-methyluridine (T) and cytidine (C), the latter two of which react specifically with denatured DNA.
  • (8) The DNA and protein contents of isolated basal cells were stained with propidium iodide and fluorescein isothiocyanate, respectively, and analysed by flow cytometry using the total protein fluorescence as an estimate of cell size and the DNA fluorescence pulse width as an estimate of nuclear size.
  • (9) Fluorescein-labelled gamma globulin fractions of anti-avidin and anti-uteroglobin both bound to blastocysts, but pure FITC-IgG showed binding only of anti-uteroglobin.
  • (10) The differences between periodate- and NAGO-induced aldehydes were demonstrated by flow cytometry of cells stained with a novel fluoresceinated hydrazide and by an electrophoretic procedure performed with biocytin hydrazide and 125I-streptavidin.
  • (11) For this, rabbit anti-chicken globulin fluorescein isothiocyanate conjugate was used.
  • (12) Active transport of fluorescein across the blood-retinal barrier in the direction of vitreous to blood does not seem to be significant within the first 2 hr after fluorescein injection.
  • (13) The treatment was almost only in those angiopathies successful, in which the fluorescein angiography showed a preponderance of the hyperpermeability over the obliterating process of retinal capillaries.
  • (14) Survivability was judged by morphological appearance, trypan blue exclusion and fluorescein diacetate staining.
  • (15) Cytofluorographic analyses confirmed the increased expression of high-affinity FcR, binding fluoresceinating murine IgG2a.
  • (16) Single islet cells in monolayer cultures of neonatal rat pancreas were microinjected with fluorescein and scanned topographically by microfluorometry.
  • (17) Indirect immunofluorescence microscopy with fluorescein isothiocyanate-anti-mouse immunoglobulin G also identified the antigen on the surface of cultured and fresh tumor cells and detected the antigen on 16 of 17 Grade 3 bladder tumor specimens as well as on some kidney and testicular tumor cells.
  • (18) The expression of EBVR was established by the binding of fluorescein isothiocyanate (FITC)-labeled EBV to the cells, while surface markers were stained by phycoerythrin (PE)-indirect immunofluorescence, using monoclonal antibodies.
  • (19) IC50 values of 6.8.10(-9), 1.7.10(-8), 1.8.10(-8) and 5.4.10(-9) M were measured in rat liver membranes for NBD-, fluorescein-, rhodamine-Trp25-glucagon and native glucagon, respectively.
  • (20) Sodium fluorescein and fluorescinated dextrans (FD) of selected molecular weights were combined and perfused into the anterior chamber of normal and inflamed eyes of cynomolgus monkeys.

Visible


Definition:

  • (a.) Perceivable by the eye; capable of being seen; perceptible; in view; as, a visible star; the least spot is visible on white paper.
  • (a.) Noticeable; apparent; open; conspicuous.

Example Sentences:

  • (1) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
  • (2) Photoreactions induced in that proper sensitizer molecules absorb UV-light or visible light.
  • (3) But do you know the thing that really bites?” he pointed to his home, which was not visible behind an overgrown hedge.
  • (4) The epididymis appeared distended but without any visible sperms.
  • (5) Stage E12 is characterized by the modifications of the CL fraction, particularly the beta-group; at this stage the first dendrites become visible.
  • (6) To determine the severity of regurgitation by dynamic MRI, several parameters were analyzed, including the number of slices with visible signal loss, the time course of the signal loss, and its maximal area and maximal volume.
  • (7) Visible light activates a large guanosine cyclic 3',5'-phosphate (cGMP)- and phosphodiesterase (PDE)-dependent infrared light-scattering change in suspensions of photoreceptor disk membranes.
  • (8) However, cytophotometric DNA analysis disclosed that significant increases in proliferative activity of mucosa had occurred 4 weeks before the appearance of histopathological dysplasia, and 8 weeks prior to development of grossly visible tumors.
  • (9) Patients in group A had smoother increases in oxygen uptake and core temperatures, greater cardiovascular stability as reflected by the rate-pressure product, and no visible shivering.
  • (10) The dried-specimen-teasing method appears useful, because of the ease of preparation of the specimens, its reproducibility, and the degree of visibility and preservation of cell surface structures and intraclonal relationships.
  • (11) 3) In Group D, B1 was visible in 19 out of 25 patients and in 18 patients out of these 19 patients, cancer invasion toward B1 was histopathologically confirmed.
  • (12) Use of sunglasses that block all ultraviolet radiation and severely attenuate high-energy visible radiation will slow the pace of ocular deterioration and delay the onset of age-related disease, thereby reducing its prevalence.
  • (13) Conventional follow-up of patients with colonic neoplasia will at best only identify symptomatic lesions and those visible with a sigmoidoscope, and will therefore fail to identify new malignant lesions in time for effective treatment.
  • (14) A planet with conditions that could support life orbits a twin neighbour of the sun visible to the naked eye, scientists have revealed.
  • (15) RR spectra of fatty acyl-CoA and its complexes are consistent with the previous hypothesis that visible spectral shifts observed during formation of acetoacetyl-CoA and crotonyl-CoA complexes of fatty acyl-CoA dehydrogenase result from charge-transfer interactions in which the ground state is essentially nonbonding as opposed to interactions in which complete electron transfer occurs to form FAD semiquinone.
  • (16) Both patients had high levels of circulating capsular polysaccharide, and one patient had visible diplococci on a smear of the peripheral blood.
  • (17) Unconjugated bilirubin visibly accumulated in the interstitium of the renal papillary tip.
  • (18) Treatment with DEAE-cellulose under the conditions described does not induce any visible degradation of mitochondria and mitochondrial DNA.
  • (19) Electron microscope examinations of the developing triadic junction in fibers from leg muscles of fetal and postnatal rats reveal a range of complexity from no structural connections across the space between apposed membranes of T and SR to all of the junctional structures visible in adult rat muscle fibers.
  • (20) In addition to the proteinase, 3 or 4 peptides (16-22.0 kDa) were visible in SDS-PAGE gels of gland cell proteins; on boiling, these peptides aggregated to 31 kDa.