Interactions between small molecules of biological interest. Excess enthalpies of ternary solutions of oligomers of glycine and isomeric pentoses in water at 25°C

1990 ◽  
Vol 19 (1) ◽  
pp. 41-50 ◽  
Author(s):  
G. Barone ◽  
G. Castronuovo ◽  
P. Del Vecchio ◽  
V. Elia
Keyword(s):  
Small Molecules ◽  
Excess Enthalpies ◽  
Ternary Solutions ◽  
Biological Interest

Excess enthalpies of aqueous ternary solutions of urea and polyols at 25�C

1982 ◽  
Vol 11 (10) ◽  
pp. 687-698 ◽  
Author(s):  
Guido Barone ◽  
Vittorio Elia ◽  
Eugenio Rizzo
Keyword(s):  
Excess Enthalpies ◽  
Ternary Solutions

scholarly journals Grafting of Diazonium Salts on Surfaces: Application to Biosensors

Biosensors ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 4 ◽  
Author(s):  
Dardan Hetemi ◽  
Vincent Noël ◽  
Jean Pinson
Keyword(s):  
Surface Modification ◽  
Nucleic Acids ◽  
Small Molecules ◽  
Diazonium Salts ◽  
Recent Advances ◽  
Biological Interest

This review is divided into two parts; the first one summarizes the main features of surface modification by diazonium salts with a focus on most recent advances, while the second part deals with diazonium-based biosensors including small molecules of biological interest, proteins, and nucleic acids.

Laser-Excited Resonance Raman Spectra of Small Molecules and Ions—A Review

1974 ◽  
Vol 28 (2) ◽  
pp. 115-133 ◽  
Author(s):  
W. Kiefer
Keyword(s):  
Solid State ◽  
Small Molecules ◽  
Raman Spectra ◽  
Resonance Raman ◽  
Molecular Vibrations ◽  
Short Summary ◽  
Biological Interest ◽  
Absorbing Materials ◽  
Resonance Raman Spectra ◽  
Excited Resonance

Laser-excited resonance Raman spectra of molecular vibrations in the gaseous, liquid, and solid state are reviewed. A short summary of the recently developed Raman techniques for absorbing materials is also given. A bibliography is added in an appendix which covers the literature of laser-excited resonance Raman spectra of molecular vibrations of more complicated molecules, mostly of biological interest.

Immunocytochemistry. A Review of Methodology for Electron Microscopic Applicaiton

1974 ◽  
Vol 32 ◽  
pp. 328-329
Author(s):  
Joseph E. Mazurkiewicz
Keyword(s):  
Electron Microscopy ◽  
Light Microscopy ◽  
Ultrastructural Level ◽  
Electron Microscopic ◽  
Biological Interest ◽  
Investigative Approach ◽  
Immunologic Activity ◽  
Dense Label

Immunocytochemistry is a powerful investigative approach in which one of the most exacting examples of specificity, that of the reaction of an antibody with its antigen, isused to localize tissue and cell specific molecules in situ. Following the introduction of fluorescent labeled antibodies in T950, a large number of molecules of biological interest had been studied with light microscopy, especially antigens involved in the pathogenesis of some diseases. However, with advances in electron microscopy, newer methods were needed which could reveal these reactions at the ultrastructural level. An electron dense label that could be coupled to an antibody without the loss of immunologic activity was desired.

Gap junctions in the prothoracic glands of the tobacco hornworm, Manduca sexta

1992 ◽  
Vol 50 (1) ◽  
pp. 706-707
Author(s):  
Ji-da Dai ◽  
M. Joseph Costello ◽  
Lawrence I. Gilbert
Keyword(s):  
Gap Junctions ◽  
Small Molecules ◽  
Manduca Sexta ◽  
Freeze Fracture ◽  
Cell Communication ◽  
Cellular Level ◽  
Thin Sections ◽  
Prothoracic Glands ◽  
Polyhydroxylated Steroids ◽  
Stimulation Of

Insect molting and metamorphosis are elicited by a class of polyhydroxylated steroids, ecdysteroids, that originate in the prothoracic glands (PGs). Prothoracicotropic hormone stimulation of steroidogenesis by the PGs at the cellular level involves both calcium and cAMP. Cell-to-cell communication mediated by gap junctions may play a key role in regulating signal transduction by controlling the transmission of small molecules and ions between adjacent cells. This is the first report of gap junctions in the PGs, the evidence obtained by means of SEM, thin sections and freeze-fracture replicas.

Fusion and Fission Processes in Exocytosis: Possible Roles for Synexin and Osmotic Lysis in the Two Events

1980 ◽  
Vol 38 ◽  
pp. 594-597
Author(s):  
H.B. Pollard ◽  
C.E. Creutz ◽  
C.J. Pazoles ◽  
J.H. Scott
Keyword(s):  
Small Molecules ◽  
Chromaffin Cells ◽  
Adrenal Glands ◽  
General Concept ◽  
Extracellular Calcium ◽  
Large Protein ◽  
Granule Membrane ◽  
Osmotic Lysis ◽  
Per Se ◽  
Chemical Evidence

Exocytosis is a general concept describing secretion of enzymes, hormones and transmitters that are otherwise sequestered in intracellular granules. Chemical evidence for this concept was first gathered from studies on chromaffin cells in perfused adrenal glands, in which it was found that granule contents, including both large protein and small molecules such as adrenaline and ATP, were released together while the granule membrane was retained in the cell. A number of exhaustive reviews of this early work have been published and are summarized in Reference 1. The critical experiments demonstrating the importance of extracellular calcium for exocytosis per se were also first performed in this system (2,3), further indicating the substantial service given by chromaffin cells to those interested in secretory phenomena over the years.

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