Guntupalli Jogi Naga Raju

UCEV,JNTUK · Dept. of Physics

A total of 158 serum samples of newly diagnosed type 2 diabetes patients and control subjects were analyzed using Synchrotron Radiation X-ray Fluorescence (SRXRF) technique. The microprobe XRF beam line-16 of Indus-2 synchrotron radiation facility at Raja Ramanna Centre for Advanced Technology (RRCAT), Indore, India, was used to identify and quanti...

We report on the critical magnetic behaviour, universality class and magnetocaloric properties of Mn0.7Fe0.3Co0.7Fe0.3Ge. At room temperature, the alloy is found to crystallize in the hexagonal structure of Ni2In-type. Paramagnetic to ferromagnetic phase transition is found to occur at a Curie temperature of about 298 K. The saturation magnetizatio...

Particle induced X-ray emission technique was used to obtain the serum elemental profile of healthy subjects and breast cancer patients (BCPs) undergoing chemotherapy. Concentrations of elements K, Ca, Ti, V, Cr, Mn, Fe, Co, Cu, Zn, Se, Br, Rb, and Sr were determined. The increased levels of Ca, Cr, Fe and Cu and diminished levels of Ti, Zn, and Se...

Trace element analysis of feed coal, fly ash and bottom ash samples acquired from NTPC, Visakhapatnam was done by Particle Induced X-ray emission (PIXE) method. Sixteen inorganic elements K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Rb, Sr, and Pb were quantified. The enrichment and partition ratios were determined to understand the distributi...

A comparative study of trace elements in Singareni and Talcher coals was carried out using Particle Induced X-ray Emission technique with a 3 MeV proton beam. Concentrations of sixteen elements, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Rb, Sr and Pb were obtained and compared with Clarke’s values to ascertain the enrichment factor for each...

Bark samples of Pterocarpus Santalinus medicinal plant (MP) used in the treatment of diabetes mellitus were analyzed for their elemental content (EC) using analytical techniques PIXE and ICP-MS. The regional change in EC of this plant has also been investigated by collecting the bark samples belonging to four different regions. The obtained data on...

Synchrotron radiation based X-ray fluorescence (SRXRF) technique was utilized for the determination of serum elemental profile in breast cancer patients group and healthy subjects group. The SRXRF experiments were performed on microprobe beamline-16, Indus-2 synchrotron radiation source at Raja Ramanna Centre for Advanced Technology (RRCAT), Indore...

The concentrations of elements Li, Be, Al, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Br, Rb, Sr, Ag, Cd, Ba, Pb and U in Andrographis Paniculata medicinal plant used in the treatment of Diabetes Mellitus were determined by using Particle Induced X-ray Emission (PIXE) and Inductively Coupled Plasma Mass Spectroscopy (ICP-MS) techniques....

Particle Induced X-ray Emission (PIXE), an accelerator based analytical technique has been employed in this work for the analysis of trace elements in the cancerous and non-cancerous tissues of rectal cancer patients. A beam of 3. MeV protons generated from 3. MV Pelletron accelerator at the Ion Beam Laboratory of Institute of Physics, Bhubaneswar,...

The objective of this study was to evaluate the levels of trace elements in blood sera of uterine cervix cancer patients, analyze their alteration with respect to healthy controls and identify the best predictors amongst these for disease occurrence and progression. Particle induced X-ray emission (PIXE) technique was used in this work to identify...

Trace metals play a significant role in neurological disorders. There is very limited information available on the role of macro and trace elements in bipolar disorders. The objective of this investigation was to identification, quantification of essential trace elements in the scalp hair samples of the patients and compare with those of normal sub...

Particle induced X-ray emission (PIXE), a well established method for elemental analysis, was used to evaluate the levels of trace elements in blood serum samples of tongue cancer patients and analyze their alteration with respect to healthy controls. The PIXE measurements were carried out using 2.5 MeV collimated proton beam from the 3 MV Tandem P...

Trace elemental imbalance in human beings is postulated to exert action, directly or indirectly, on the carcinogenic process. The objective of this study was to evaluate the levels of trace elements in blood serum samples of lung cancer patients and analyze their alteration with respect to healthy controls. Particle induced X-ray emission (PIXE), a...

A trace elemental analysis was carried out in various parts of 12 anticancer medicinal plants, using the PIXE (particle-induced X-ray emission) technique. A 3-MeV proton beam was used to excite the samples, and spectra were recorded using a Si (Li) detector. Data analysis was done using the GUPIX software. The elements Cl, K, Ca, Ti, V, Mn, Fe, Ni,...

Trace elemental imbalance in human beings is postulated to exert action, directly or indirectly, on the carcinogenic process. The objective of this study was to evaluate the levels of trace elements in blood sera of breast cancer patients and analyze their alteration with respect to healthy controls. This work was also intended to establish the rol...

Trace elemental analysis was carried out in various parts of 10 anti-epileptic medicinal plants using PIXE technique. A 3 MeV proton beam was used to excite the samples and spectra were recorded using a Si(Li) detector. Data analysis was done using Gupix Software. The elements Cl, K, Ca, Ti, Mn, Fe, Ni, Cu, Zn, Br and Sr were identified and their c...

Trace element analysis was carried out in the aerosol samples using particle induced x-ray emission (PIXE) technique. A 2 MeV proton beam was employed to excite the samples. The element K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Br and Pb were identified and their concentrations were estimated. The concentrations of Pb, Mn and Ni are high in the aer...

Trace elemental analysis was carried out in the tissue samples of normal, benign hypertrophic and carcinoma prostate using the particle-induced X-ray emission technique. A proton beam of 3 MeV energy was used to excite the samples. The elements Cl, K, Ca, Ti, Cr, Mn, Fe, Ni, Cu, Zn, Se, and Br were identified and their concentrations were estimated...

Trace elemental analysis was carried out in various parts of some anti-diabetic medicinal plants using PIXE technique. A 3MeV proton beam was used to excite the samples. The elements Cl, K, Ca, Ti, Cr, Mn, Fe, Ni, Cu, Zn, Br, Rb and Sr were identified and their concentrations were estimated. The results of the present study provide justification fo...

Particle induced X-ray emission technique was used to study the variations in trace elemental concentrations between normal and malignant human breast tissue specimens and to understand the effects of altered homeostasis of these elements in the etiology of breast cancer. A 3 MeV proton beam was used to excite the biological samples of normal and m...

PIXE technique was employed to estimate the trace elemental concentrations in the biological samples of cancerous penis and testis. A 3MeV proton beam was employed to excite the samples. From the present results it can be seen that the concentrations of Cl, Fe and Co are lower in the cancerous tissue of the penis when compared with those in normal...

L-subshell ionization cross sections are extracted from measured L, L, L, L 1 , L 23 , and L 44 x-ray production cross sections in thin targets of 75 Re, 78 Pt, and 79 Au bombarded by 4 – 8 MeV C 3+ ions. For each projectile energy, using the fluorescence and Coster-Kronig yields recently recommended by Campbell with an amendment for multiple ioniz...

Trace elemental analysis of hair samples from subjects suffering with cervical cancer before radiation therapy and at successive intervals during radiation therapy was carried out using the PIXE technique. A 2 MeV proton beam was employed. The elements Cl, K, Ca, Ti, Cr, Mn, Fe, Ni, Cu, Zn and Pb were identified and their relative concentrations we...

The fraction of simultaneous K plus L shell ionized atoms is estimated in Fe, Co and Cu elements using carbon ions at different projectile energies. The present results indicate that the fraction of simultaneous K plus L shell ionization probability decreases with increase in projectile energy as well as with increase in the atomic number of the ta...

Trace elemental analysis was carried out in the biological samples of cancer-afflicted intestine using the particle-induced X-ray emission technique (PIXE). A 2-MeV proton beam was employed to excite the samples. From the present results, it can be seen that the concentration of the elements Cr, Fe, and Ni are higher in the cancerous tissue of the...

The L X-ray intensity ratios in the elements Hf, Ta, Re, Ir, Pt, Au and Pb due to proton bombardment at energies from 1 to 5 MeV are measured and compared with the ECPSSR theoretical intensity ratios. The L\(_{\alpha}\)/Ll intensity ratios obtained in the present work are in good agreement with theoretical values while the L\(_{\beta}\)/L\(_{\gamma...

Trace elemental analysis was carried out in the biological samples of carcinoma kidney and stomach using particle induced X-ray emission technique. A 2 MeV proton beam was employed to excite the samples. From the present results, the levels of elements K, Ca, Fe, Ni and Se are lower and those of the elements Ti, Co, Zn, As and Cd are higher in the...

Trace elemental analysis was carried out in the biological samples of normal, adenoma and carcinoma thyroids using particle induced X-ray emission technique (PIXE). A 2 MeV proton beam was employed to excite the samples. The elements Cl, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Sr, I, Hg and Pb were identified and their concentrations were est...

The energy shifts and intensity ratios of different L X-ray components in tantalum element due to 10 MeV carbon and 12 MeV nitrogen ions are estimated. From the observed energy shifts, the possible number of simultaneous vacancies in M shell are estimated. A comparison of Lα /Lβ2.15, Lβ1/Lγ1 and Lγ2.3/Lγ4.4 with the ratios due to Scofield theoretic...

A method is suggested to effect the self absorption correction in a different way to estimate the K X-ray intensity ratios particularly when heavy ions are used as projectiles. Employing this method, the K-beta/K-alpha intensity ratios are measured in some 3d shell elements by using Carbon and Nitrogen ions as exciting agents. The K-beta/K-alpha in...