scholarly journals Natural scientific methods in exploration of reference monuments of the Saka Culture in Kazakh Altai

2020 ◽  
pp. 21-31
Author(s):  
Zainolla Samashev ◽  
Aidos Erbulatovich Chotbaev ◽  
Nikolai Sergeevich Kurganov ◽  
Dmitrii Vasil'evich Pankin ◽  
Anastasiya Valer'evna Povolotskaya ◽  
...  
Keyword(s):  
Spectroscopic Technique ◽  
Organic Substances ◽  
Identification Procedure ◽  
Scientific Methods ◽  
Raman Spectroscopic ◽  
Gold Jewelry ◽  
Material Component ◽  
Modern Natural ◽  
East Kazakhstan ◽  
Subsequent Identification

This article explores the ancient gold jewelry with inlay, which were discovered in the process of archeological studies conducted in Summer 2018 of grave complexes located on the Eleke Sazy Plateau, Tarbagatay Ridge in East Kazakhstan Region in the burial of a young man belonging to aristocratic ancestry. It refers to the Saka culture, and dates back to approximately VIII-VII centuries BC. Among the discovered objects were garments embroidered with gold, quiver with arrows, and a bronze dagger in gold scabbard. This work studied the golden scabbard for dagger. The scabbard consists of several parts attached to a wooden base and decorated with granulation and inlay. In many cases, only traces of inlay remain. Some gems changed in color in the process of degradation, and currently look grey. Micro-samples for the research were selected from the crumbling fragments of inlay obtained in the process of restoration of the item. Modern natural scientific methods allow studying the material component of the objects of cultural heritage. The identification procedure is now available even based on the remaining particles with characteristic sizes that do not exceed tens of microns. Within the framework this research, the author examined the possibility of selecting such micro-samples with subsequent identification. Application of the Raman spectroscopic technique allowed examining the selected micro-samples on the next stage. The complementary methods imply Fourier-transform infrared spectroscopy for studying organic substances the inlay was attached to.

scholarly journals Natural scientific methods in exploration of reference monuments belonging to Saka culture in the Kazakh Altai

2020 ◽  
pp. 1-10
Author(s):  
Zainolla Samashev ◽  
Aidos Erbulatovich Chotbaev ◽  
Nikolai Sergeevich Kurganov ◽  
Dmitrii Vasil'evich Pankin ◽  
Anastasiya Valer'evna Povolotskaya ◽  
...  
Keyword(s):  
Spectroscopic Technique ◽  
Scientific Methods ◽  
Raman Spectroscopic ◽  
Gold Jewelry ◽  
Material Component ◽  
Modern Natural ◽  
The Fourier Transform ◽  
Selection Of ◽  
Subsequent Identification

This article examines the ancient gold jewelry with inlay, which were discovered in the process of archeological excavations of grave sites located on the Eleke Sazy Plateau, Tarbagatay Ridge in the East of Kazakhstan in the burial of a notable young man, conducted in summer of 2018. It is attributed to Saka culture, and dates back to approximately VIII – VII centuries BC. Among  the objects, were found garments embroidered with gold, quiver with arrows, and bronze dagger in gold scabbard. This work examines the golden scabbard for the dagger. The scabbard consists of several parts attached to the wooden base and decorated with gold seeds and inlay. The inlay did not survive in many of the discovered items, but the traces of it remain. In the process of degradation, some jewels have changed their color, and currently look grey. Micro-samples for the research were selected from the crumbling fragments of inlay, acquired during restoration of the artifact. Modern natural scientific methods give broader opportunities for studying the material component of the objects of cultural heritage. Determination of composition of the object with most damage substantiates the reconstruction. In some cases, despite severe damage, the identification procedure can be conducted on the basis of the remaining particles, the size of which does not exceed tens of microns. Within the framework this work, the author examined the possibility for selection of such micro-samples with subsequent identification. The use of the Raman spectroscopic technique allows further examination of the selected micro-samples. Complementary methods of research include the Fourier transform infrared spectroscopy for studying the organic substances the inlay was attached to.

Microplasma synthesized gold nanoparticles for surface enhanced Raman spectroscopic detection of methylene blue

2021 ◽  
Author(s):  
Xuanhe Li ◽  
Liangliang Lin ◽  
Wei-Hung Chiang ◽  
Kuan Chang ◽  
Hujun Xu
Keyword(s):  
Rapid Detection ◽  
Chemical Species ◽  
Spectroscopic Technique ◽  
Trace Level ◽  
Raman Spectroscopic ◽  
Non Invasive ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering ◽  
Non Destructive

Surface enhanced Raman scattering (SERS) is a powerful and sensitive spectroscopic technique that allows for rapid detection of trace-level chemical species in a non-invasive and non-destructive manner. In the present...

Target induced aggregation of modified Au@Ag nanoparticles for surface enhanced Raman scattering and its ultrasensitive detection of arsenic(iii) in aqueous solution

RSC Advances ◽  
2015 ◽  
Vol 5 (95) ◽  
pp. 77755-77759 ◽  
Author(s):  
Bo Yang ◽  
Xiaochun Chen ◽  
Renyong Liu ◽  
Bianhua Liu ◽  
Changlong Jiang
Keyword(s):  
Aqueous Solution ◽  
Spectroscopic Technique ◽  
Ultrasensitive Detection ◽  
Selective Detection ◽  
Raman Spectroscopic ◽  
Highly Sensitive ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering ◽  
Induced Aggregation

A highly sensitive and selective detection of As(iii) was reported by target induced aggregation of nanoparticles enhanced Raman spectroscopic technique.

Evaluation and Mapping of Heat-Shield Flight Temperature and Composition with Raman Spectroscopic Techniques

1995 ◽  
Vol 49 (5) ◽  
pp. 598-604 ◽  
Author(s):  
D. R. Tallant ◽  
I. Auerbach ◽  
K. L. Higgins
Keyword(s):  
Spectroscopic Technique ◽  
Heat Shield ◽  
Spectroscopic Techniques ◽  
Raman Spectroscopic ◽  
Detailed Surface ◽  
Post Test ◽  
Composition Profiles ◽  
Maximum Temperatures

A Raman spectroscopic technique has been developed which can measure the maximum temperatures experienced by charring heat-shield materials and determine their post-test compositions (char, pyrolysis zone, and virgin resin). The technique has the capabilities of analyzing circular areas less than 0.1 mm in diameter or rectangles 0.1 mm in width and 2 mm in length. It can provide fine detailed surface and internal mappings and perform the analyses rapidly and conveniently in the laboratory following testing or flight recovery. Representative plots of temperature and composition profiles are provided. The data are compared with computations from the Charring Material Ablation (CMA) code.

Pigment identification of a XIV/XV c. wooden crucifix by means of the Raman spectroscopic technique

2006 ◽  
Vol 37 (10) ◽  
pp. 1125-1130 ◽  
Author(s):  
A. Kamińska ◽  
M. Sawczak ◽  
M. Oujja ◽  
C. Domingo ◽  
M. Castillejo ◽  
...  
Keyword(s):  
Spectroscopic Technique ◽  
Pigment Identification ◽  
Raman Spectroscopic

Biodegradable PLGA nanoparticles loaded with hydrophobic drugs: confocal Raman microspectroscopic characterization

2015 ◽  
Vol 3 (18) ◽  
pp. 3677-3680 ◽  
Author(s):  
Hu Yan ◽  
Yi-Fan Hou ◽  
Peng-Fei Niu ◽  
Ke Zhang ◽  
Tatsuya Shoji ◽  
...  
Keyword(s):  
Plga Nanoparticles ◽  
Spectroscopic Technique ◽  
Laser Trapping ◽  
Hydrophobic Drugs ◽  
Raman Spectroscopic ◽  
Confocal Raman ◽  
Individual Nanoparticles ◽  
First Time

PLGA nanoparticles with bicyclol and Br-NBP were for the first time successfully characterized by a laser trapping/confocal Raman spectroscopic technique only using individual nanoparticles.

scholarly journals Development of Green Polymer Electrolyte Through Hot Press Method

2019 ◽  
Vol 1 (1) ◽  
Author(s):  
Kamlesh Pandey
Keyword(s):  
Polymer Electrolyte ◽  
Spectroscopic Technique ◽  
Polymeric Membrane ◽  
Hot Press ◽  
Xrd Pattern ◽  
Raman Spectroscopic ◽  
Laser Raman ◽  
Nanocomposite System ◽  
Press Method ◽  
Green Polymer

To develop the green polymeric membrane electrolyte, e-Polycaprolactone (PCL) was used as a host and the Ionic liquid (IL)(1-Ethyl-3-methylimidazolium tosylate) as a dopant. The IL is a source of mobile charges in the polymer electrolyte system. The composite membrane has been prepared by Hot Press method and then we characterised this membrane for ionic transportation. Formation of nanocomposite system has been ascertained from their XRD pattern. Interaction phenomenon was studied by ATR based FTIR and Laser Raman spectroscopic technique. Variation of conductivity with composition and temperature was studied with the aid of impedance spectroscopy data.

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