Hyphenated Technique - Thermogravimetry-Differential Scanning Colorimetry Coupled to Mass Spectroscopy| Chapter 4 | Research Highlights in Science and Technology Vol. 4

 A thermo-examining approach which is known as thermogravimetric reasoning uses weight changes that occur whena sample is warmed to a consistent pace to confirm a material thermal balance & percentage of the doubtful additives present. DSC analysis is secondhand for measuringa variety of quantities, including softening temperature, hidden melting warmth, melding warmth, reaction capacity, and many more.Mass spectrophotometry is a potent analytical finish containing abundant uses in the biomedical & pharmaceutical industries. A maneuver's increased sensitivity and judgment have opened up new avenues for the test of prescribed medications and complex basic structure metabolites. The synthetic properties and thermal balance of plant-based polymers isolated from chemically singular soils were revealed using thermogravimetry as well DSC, quadrupole mass spectrometry, and added techniques. TGA/DSC, when used together along with MS, isolates several ions from the pattern substitute in accordance with a specific bulk-to-charge ratio.The connected instrument is used to evaluate the powder covering's physical characteristics and shame balance while also identifying basic components.

Author(s) Details:

K. Bhavyasri,
Department of Pharmaceutical Analysis, RBVRR Women’s College of Pharmacy, Barkatpura, Hyderabad-500027, India.

Please see the link here: https://stm.bookpi.org/RHST-V4/article/view/10910

Sol Gel Synthesis and Characterization of Carbides | Chapter 7 | Current Topics and Emerging Issues in Materials Sciences Vol. 1

 This phase deals with the preparation, features, electrochemical and electrical generated power behaviour of carbides. Zirconium carbide (ZrC) was synthesized by a simple brightest star–gel arrangement using zirconium n-propoxide, acetic acid, and sweet substance as carbon beginning. The sol-gel deal with of materials offers various potential advantages over conventional forms. The most important are enhanced properties regarding the particular microstructural features. The unit presents the synthesis of ZrC powders by the brightest star-gel means.  When heat-treated at 900ºC under flowing argon flow, gels translated into intimately assorted amorphous raw powder. Further heat situations above 1200, 1300, 1500ºC led to the composition of zirconium carbide with some disappeared oxygen in the lattice. The potential fanlight and the electrochemistry of standard redox reactions have been examined in 1 M KCl solution at a flip through rate of 50 mV s-1using cyclic voltammetry in the potential region of -1 to 1.4 V. Electrochemical limits of the carbide using natural electrolyte have been studied by recurrent voltammetry and electrochemical impedance spectroscopy. Electrical generated power as a function of temperature in the range of 50-950ºC is also examined.q

Author(s) Details:

Anju Dixit,
Department of Physics, School of Basic Sciences UIET, C.S.J.M. University, Kanpur, India.

Please see the link here: https://stm.bookpi.org/CTEIMS-V1/article/view/10423

Bucillamine as An Efficient H Atom Donor Protects High-Molar-Mass Hyaluronan from Oxidative Degradation by Effective Scavenging of Free Radicals

 Bucillamine has been shown to preserve high-molecular-mass hyaluronan from degradation caused by a free-radical-generating system containing cupric ions and ascorbate. We adopted a multimodal strategy in this investigation, employing a range of methodologies such as non-isothermal chemiluminometry, thermogravimetry, and differential scanning calorimetry to characterise the hyaluronan fragments produced.

Bucillamine was found to significantly slow the oxidative degradation of high-molar-mass hyaluronan in our tests. The results, particularly the decrease in chemiluminescence intensity and removal of the differential scanning calorimetry exotherm (at 270oC) for hyaluronan fragments, may indicate the need for more research into the mechanism(s) of action of bucillamine in this process.

Author (s) Details

Katarína Valachová
Centre of Experimental Medicine, Slovak Academy of Sciences, SK-84104 Bratislava, Slovakia.

Jozef Rychlý
Polymer Institute, Slovak Academy of Sciences, SK-84541 Bratislava, Slovakia.

Ivica Janigová
Polymer Institute, Slovak Academy of Sciences, SK-84541 Bratislava, Slovakia.

Katarína Csomorová
Polymer Institute, Slovak Academy of Sciences, SK-84541 Bratislava, Slovakia.

Ivo Juránek
Centre of Experimental Medicine, Slovak Academy of Sciences, SK-84104 Bratislava, Slovakia.

Ladislav Šoltés
Centre of Experimental Medicine, Slovak Academy of Sciences, SK-84104 Bratislava, Slovakia.

View Book :- https://stm.bookpi.org/CACB-V7/article/view/1193