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Kamaleddin Haj Mohammad Ebrahim Tehrani et al.
Iranian journal of pharmaceutical research : IJPR, 12(2), 331-346 (2013-11-20)
In this work, we reported the synthesis and evaluation of antimycobacterial and antifungal activity of a series of thiocarbohydrazone derivatives which are thiacetazone congeners. The target compounds were synthesized in superior yields by reacting thiocarbohydrazide with different aromatic aldehydes and
D P Singh et al.
Journal of enzyme inhibition and medicinal chemistry, 22(2), 177-182 (2007-05-24)
A novel series of complexes of the type [M(TML)X2]; where TML is Tetradentate Macrocyclic Ligand; M = Co(II), Ni(II), Cu(II), Zn(II)or Cd(II); X = Cl-, CH3COO- or NO3- have been synthesized by template condensation of glyoxal and thiocarbohydrazide in the
P O Kättström et al.
Archives of histology and cytology, 55 Suppl, 53-56 (1992-01-01)
The addition of ethidium bromide during the last 2.5-3 h of lymphocyte culturing restricted chromosome contraction and preserved the banding structure in scanning electron microscopy. Treatment of the chromosomes with trypsin and use of impregnation with osmium tetroxide and thiocarbohydrazide
Valentin M Sluch et al.
Scientific reports, 5, 16595-16595 (2015-11-14)
Retinal ganglion cell (RGC) injury and cell death from glaucoma and other forms of optic nerve disease is a major cause of irreversible vision loss and blindness. Human pluripotent stem cell (hPSC)-derived RGCs could provide a source of cells for
Georg Kislinger et al.
iScience, 23(7), 101290-101290 (2020-07-06)
Volume electron microscopy enables the ultrastructural analysis of biological tissue. Currently, the techniques involving ultramicrotomy (ATUM, ssTEM) allow large fields of view but afford only limited z-resolution, whereas ion beam-milling approaches (FIB-SEM) yield isotropic voxels but are restricted in volume
K Uryu et al.
Okajimas folia anatomica Japonica, 67(2-3), 141-151 (1990-08-01)
Ultrastructural and cytochemical studies were undertaken with special reference to the apical secretion in the ependymal cells of the subcommissural organ in the domestic chicken. Glucose-6-phosphatase (G6Pase) and acid phosphatase (AcPae) were used as cytochemical markers for the endoplasmic reticulum
Debabrata Maity et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(40), 11152-11161 (2011-09-02)
We present novel Schiff base ligands julolidine-carbonohydrazone 1 and julolidine-thiocarbonohydrazone 2 for selective detection of Cu(2+) in aqueous medium. The planar julolidine-based ligands can sense Cu(2+) colorimetrically with characteristic absorbance in the near-infrared (NIR, 700-1000 nm) region. Employing molecular probes
M S Chande et al.
Acta poloniae pharmaceutica, 56(3), 207-210 (2000-01-15)
New bis[6-phenyl-4-methyl-3-substituted-pyrazo[4,5-d] pyrazol-1-yl]thioketones have been obtained in good yield by the reaction of thiocarbohydrazine with 1-phenyl-3-methyl-4-acetyl/benzoyl-pyrazol-5-one, followed by cyclization of the intermediate. The new compounds exhibit excellent antimicrobial activity.
Meenakshi V Patil et al.
Acta poloniae pharmaceutica, 61(2), 135-138 (2004-10-21)
1,5-Bis[2-(hydroximino)-1-methyl-3-oxo-butane-1,1-diyl]thiocarbonohydrazide [IV] and 1,5-bis[2-(hydroximino)-3-oxo-1-phenyl-butane-1,1-diyl]thiocarbonohydrazide [V] were synthesized by the reaction of thiocarbonohydrazide [I] with either 3-(hydroximino)-pentane-2,4-dione [II] or 2-(hydroximino)-1-phenyl-butane-1,3-dione [III] in a 1:2 molar proportion, respectively. Compounds [IV] and [V] were characterized by elemental analyses, IR and PMR spectroscopic studies.
E A Dunnebier et al.
Hearing research, 90(1-2), 139-148 (1995-10-01)
The stereociliar structures of the guinea-pig cochlear organ of Corti were studied at low-voltage (1-5 kV) with field-emission scanning electron microscope (SEM) using various pre- and post-fixation methods, such as OTOTO (OsO4/thiocrbohydrazide/OsO4/thiocarbohydrazide/OsO4) and TAO (tannic acid/arginine/OsO4), and different dissection procedures
Yunfeng Hua et al.
Nature communications, 6, 7923-7923 (2015-08-04)
Large-scale connectomics requires dense staining of neuronal tissue blocks for electron microscopy (EM). Here we report a large-volume dense en-bloc EM staining protocol that overcomes the staining gradients, which so far substantially limited the reconstructable volumes in three-dimensional (3D) EM.
D Levanon et al.
The Histochemical journal, 31(1), 71-73 (1999-07-16)
Samples from seven sectors of the rabbit knee articular cartilage were shaved and prepared for the scanning electron microscope using either tannic acid, thiocarbohydrazide or nothing (control). Surface morphology was found to be more typical to a given sector and
Malgorzata Borczyk et al.
Scientific reports, 9(1), 1693-1693 (2019-02-10)
Structural plasticity of dendritic spines is thought to underlie memory formation. Size of a dendritic spine is considered proportional to the size of its postsynaptic density (PSD), number of glutamate receptors and synaptic strength. However, whether this correlation is true
G Familiari et al.
Italian journal of anatomy and embryology = Archivio italiano di anatomia ed embriologia, 106(2 Suppl 2), 33-41 (2001-12-06)
The surface micro-morphology of the zona pellucida (ZP) was investigated in 158 inseminated but unfertilized mature human oocytes derived from assisted reproduction trials (ART) by means of traditional scanning electron microscopy (SEM) techniques (gold coating and conductive staining methods) and
M A Badawy et al.
Archiv der Pharmazie, 324(6), 349-351 (1991-06-01)
Heterocycles containing the indole ring system include some novel pharmacologically active compounds. Isatin and its N-acetylisatin are extremely versatile intermediates in the construction of a variety of heterocyclic systems when reacted with thiosemicarbazide derivatives. Literature survey revealed various interesting reactions
Preparation of chromosomes for scanning electron microscopy.
A T Sumner et al.
Methods in molecular biology (Clifton, N.J.), 29, 41-50 (1994-01-01)
H K Lo et al.
Biotechnic & histochemistry : official publication of the Biological Stain Commission, 67(6), 372-376 (1992-11-01)
Lead tetraacetate-thiocarbohydrazide-silver proteinate reaction sequence for light microscopy of polysaccharides was evaluated on Carnoy's fixed rat liver sections. The results of this evaluation suggest that, on the light microscopic level, the lead tetraacetate-thiocarbohydrazide-silver proteinate method may serve as a practical
D P Singh et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 78(2), 629-634 (2011-01-07)
A series of macrocyclic complexes of the type [M(C12H20N8S2)X2]; where M=Co(II), Ni(II), Cu(II), Zn(II); X=Cl-, NO3-, CH3COO- has been synthesized by template condensation of thiocarbohydrazide and pentane-2,4-dione in the presence of divalent metal salts in methanolic medium. The complexes have
Stephanie A Rey et al.
Nature communications, 6, 8043-8043 (2015-08-22)
Efficient recycling of synaptic vesicles is thought to be critical for sustained information transfer at central terminals. However, the specific contribution that retrieved vesicles make to future transmission events remains unclear. Here we exploit fluorescence and time-stamped electron microscopy to
Itai Henn et al.
Developmental neurobiology, 80(9-10), 305-315 (2019-06-23)
Tissue and neural engineering for various regenerative therapies are rapidly growing fields. Of major interest is studying the complex interface between cells and various 3D structures by scanning electron microscopy with focused ion beam. Notwithstanding its unrivaled resolution, the optimal
M Goldberg et al.
European journal of oral sciences, 104(3), 269-277 (1996-06-01)
The appearance of the junction between predentin and dentin of rat incisors was investigated after chemical fixation (aldehyde), physical fixation (high pressure freezing and freeze substitution) and by histochemistry. Physical fixation revealed a 1-2 micron wide intermediary zone, in which
F Murata et al.
Journal of electron microscopy, 41(1), 14-20 (1992-02-01)
Sulfated glycoconjugates in epithelial cells and mesenchymal cells were investigated after staining with high iron diamine-thiocarbohydrazide-silver proteinate. One purpose of the experiment was to apply a new physical developed to the staining. Instead of silver nitrate, silver lactate or silver
Clyde Savio Pinto et al.
Scientific reports, 9(1), 12191-12191 (2019-08-23)
Apical projections are integral functional units of epithelial cells. Microvilli and stereocilia are cylindrical apical projections that are formed of bundled actin. Microridges on the other hand, extend laterally, forming labyrinthine patterns on surfaces of various kinds of squamous epithelial
Amy E Vincent et al.
Cell reports, 26(4), 996-1009 (2019-01-19)
Genetic and biochemical defects of mitochondrial function are a major cause of human disease, but their link to mitochondrial morphology in situ has not been defined. Here, we develop a quantitative three-dimensional approach to map mitochondrial network organization in human
Anand D Tiwari et al.
International journal of biological macromolecules, 48(4), 682-687 (2011-02-26)
Chitosan-N-2-methylhydroxypyridine-6-methylcorboxylate (Ch-PDC) and chitosan-N-2-methylhydroxypyridine-6-methylhydroxy thiocarbohydrazide (Ch-PDC-Th) were synthesized for the first time using chitosan as precursor. Chitosan, Ch-PDC, Ch-PDC-Th were used in the synthesis of gold nanoparticles (AuNP) in aqueous medium. Chitosan and Ch-PDC-Th possess reducing properties which enabled the
A Tsukise et al.
The Histochemical journal, 22(8), 409-415 (1990-08-01)
An efficient histochemical method has been worked out for the demonstration of deoxyribonucleic acids (DNA) with light microscopy. This involves a hot hydrochloric acid-thiocarbohydrazide-silver proteinate sequence followed by a physical development procedure. When applied to tissue sections from rabbit organs
K S Siddiqi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 67(3-4), 995-1002 (2006-11-07)
Sn(tch)2{MCl2}2 was prepared from the precursor Sn(tch)2 and MCl2. It was subsequently allowed to react with diethyldithiocarbamate which yielded the trinuclear complexes of the type Sn(tch)2{M2(dtc)4}, where tch=thiocarbohydrazide, M=Mn(II), Fe(II), Co(II), Ni(II), Cu(II) and dtc=diethyldithiocarbamate. They were characterized on the
D H Yang et al.
The Histochemical journal, 28(1), 33-43 (1996-01-01)
The ontogeny of sulphated glycoconjugate-producing cells in the rat fundic gland has been studied using high iron diamine (HID), Alcian Blue (AB) at pH 1.0, high iron diamine in combination with Alcian Blue at pH 2.5 (HID-AB), cationic colloidal gold
D B Wilson et al.
The Anatomical record, 228(4), 431-436 (1990-12-01)
Functional differentiation of the notochord in rhesus monkey embryos at stages 11-12 (25-28 days of gestation) was analyzed by means of ultrastructural cytochemistry. The notochordal cells exhibited well developed Golgi complexes, rough endoplasmic reticulum, mitochondria, and numerous coated vesicles. Large
The ninhydrin-thiocarbohydrazide-silver proteinate reaction with proteins.
G I Malinin et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 39(5), 707-708 (1991-05-01)
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