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Characterization of Physico-Chemical and Spectroscopic Properties of Biofield Energy Treated 4-Bromoacetophenone

Journal:

American Journal of Physical Chemistry
Published October 15, 2015

Citation:

Mahendra Kumar Trivedi, Alice Branton, Dahryn Trivedi, Gopal Nayak, Gunin Saikia, Snehasis Jana. Characterization of Physico-Chemical and Spectroscopic Properties of Biofield Energy Treated 4-bromoacetophenone. American Journal of Physical Chemistry. Vol. 4, No. 4, 2015, pp. 30-37. doi: 10.11648/j.ajpc.20150404.11

Title:

Characterization of Physico-Chemical and Spectroscopic Properties of Biofield Energy Treated 4-Bromoacetophenone

Manuscript Link:

http://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20150404.11.pdf

 

Abstract

4-Bromoacetophenone is an acetophenone derivative known for its usefulness in organic coupling reactions and various biological applications. The aim of the study was to evaluate the impact of biofield energy treatment on 4- bromoacetophenone using various analytical methods. The material is divided into two groups for this study i.e. control and treated. The control group remained as untreated and the treated group was subjected to Mr. Trivedi’s biofield energy treatment. Then, both the samples were characterized using X-ray diffraction (XRD), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), Fourier transform infrared (FT-IR), gas chromatography-mass spectrometry (GC-MS), and UV-visible spectrometry (UV-vis). The XRD study revealed that the crystallite size of treated 4-bromoacetophenone was decreased significantly to 16.69% with decreased intensity as compared to the control. The thermal studies revealed that the slight change was observed in the melting point and latent heat of fusion (ΔH) of biofield energy treated sample as compared to the control. Maximum degradation temperature (Tmax) of treated 4-bromoacetophenone was decreased by 7.26% as compared to the control (169.89°C→157.54°C). The FT-IR spectra showed that the C=O stretching frequency at 1670 cm-1 was shifted to higher frequency region (1672 in T1 and 1685 cm-1 in T2, in two treated samples for FT-IR) after biofield energy treatment. Moreover, the GC-MS data revealed that the isotopic abundance ratio of either 13C/12C or 2H/1H (PM+1)/PM was decreased up to 9.12% in T2 sample whereas increased slightly up to 3.83% in T3 sample. However, the isotopic abundance ratio of either 81Br/79Br or 18O/16O (PM+2)/PM of treated 4-bromoacetophenone was decreased from 0.10% to 1.62% (where PM-primary mass of the molecule, (PM+1) and (PM+2) are isotopic mass of the molecule). The UV spectra showed the similar electronic behavior like absorption maximum in control and treated samples. Overall, the experimental results suggest that Mr. Trivedi’s biofield energy treatment has significant effect on the physical, thermal, and spectral properties of 4-bromoacetophenone.

Keywords: 4-Bromoacetophenone, Biofield Energy Treatment, Fourier Transform Infrared,Differential Scanning Calorimetry, Thermogravimetric Analysis, X-ray Diffraction,Gas Chromatography-Mass Spectrometry

1. Introduction

4-Bromoacetophenone is basically a natural product and found in the environment as degradation products of industrial chemicals. It is used as a basic starting material in most of the metal catalyzed coupling reactions due to the presence of both electron-rich and electron-withdrawing functionalities within the same molecule [1]. In biological systems, halogen bonding has its importance due to their high directionality and specificity. Therefore, they can be used effectively in drug design to direct the binding of ligands to the target sites [2]. The bromoacetophenone derivatives upon excitation with ultraviolet radiation can generate phenyl radicals. The utility of haloarenes were studied by Paul et al., as radical progenitors for DNA cleavage. It is reported that haloarenes are readily available compounds upon UV excitation and halo acetophenones are effective DNA cleaving agents [3, 4]. 4-Bromoacetophenone has been used as basic starting material in coupling reactions such as Heck coupling, Suzuki coupling, and Stille reactions [5]. Furthermore, guaiacyl, syringyl, and p-hydroxyphenyl-type bromoacetophenone derivatives were synthesized as the starting materials for β-O-4 type artificial lignin polymers [6]. Apart from that, the acetophenones were screened for activity against positive phototaxis of Chlamydomonas cells, a process that requires coordinated flagellar motility. Several acetophenones including 3, 4-dimethylacetophenone, and 4- ethylacetophenone showed inhibitory effects on phototaxis in Chlamydomonas, in a concentration-dependent manner, indicating that these compounds nonspecifically interfere with phototaxis by disrupting overall cell viability [7].

Due to their wide range of applications in biology and synthetic organic chemistry, the objective of the current study was to evaluate the impact of biofield energy treatment on the physical and chemical properties of 4- bromoacetophenone. The biofield is defined as the complex dynamic electromagnetic (EM) field. The field resulting from the EM fields contributed by each individual oscillator or electrically charged ensemble of particles of the body (ion, molecule, cell, tissue, etc.) [8, 9]. The term “biofield” has been accepted by the U.S. National Library of Medicine as a medical subject heading [10]. The biofield, which surrounds the human body, can be harnessed from the Universe. It has been applied on materials or living things by experts in a controlled way to make the changes [11]. Mr. Trivedi’s unique biofield energy treatment is known as The Trivedi Effect® [12]. The Trivedi Effect has been applied in various research fields including microbiology research [13], agriculture research [14, 15], and biotechnology research [16]. Thus, by observing the various transformations happened due to the unique biofield treatment of Mr. Trivedi, this study aimed to evaluate the impact of biofield energy treatment on 4-bromoacetophenone with respect to their physical, thermal and spectral properties.

2. Materials and Methods

2.1. Study Design

4-Bromoacetophenone was procured from Loba Chemie Pvt. Ltd., India. The compound was divided into two parts i.e. control and treated. The control sample was remained as untreated and the treated sample in sealed pack was given to Mr. Trivedi for biofield energy treatment. Mr. Trivedi provided the treatment through his energy transmission process to the treated group. The control and treated samples were evaluated using various physical, thermal and spectroscopic techniques.

Percent change in various parameters in treated sample with respect to control was calculated using the following equation:

for-1

2.2. X-ray Diffraction (XRD) Study

The X-ray powder diffraction studies were carried out to characterize the crystallinity of 4-bromoacetophenone using Phillips, Holland PW 1710 X-ray diffractometer system, with radiation of wavelength 1.54056 Å in the 2θ range 10°- 99.99°. The crystallite size (G) was calculated by using the formula: G = kλ/(bCosθ). Here, λ is the wavelength of radiation, θ is the corresponding Bragg angle, b is full-width half maximum (FWHM) of the peaks and k is the equipment constant (=0.94).

2.3. Differential Scanning Calorimetry (DSC) Study

The DSC thermogram of 4-bromoacetophenone was acquired using Perkin Elmer/Pyris-1, USA at the flow rate of 5 mL/min using closed aluminum pan to determine the melting temperature and latent heat of fusion.

2.4. Thermogravimetric Analysis (TGA)/ Derivative Thermogravimetry (DTG)

TGA/DTG results were obtained using Mettler Toledo simultaneous thermogravimetric analyzer at a heating rate of 5ºC/min from room temperature to 400ºC under air atmosphere.

2.5. FT-IR Spectroscopic Analysis (FT-IR)

FT-IR characterization was done with Shimadzu Fourier transform infrared spectrometer (Japan) with the frequency range of 500-4000 cm-1. 4-bromoacetophenone was run as pressed disks using KBr as the diluent.

2.6. GC-MS Spectrometry Analysis

The gas chromatography-mass spectrometry (GC-MS) analysis was performed on Perkin Elmer/auto system XL with Turbo Mass, USA, having detection limit up to 1 picogram. The GC-MS spectrum was obtained as % abundance vs. mass to charge ratio (m/z). The isotopic ratio of (PM+1)/PM and (PM+2)/PM was expressed by its deviation in treated samples as compared to the control.

2.7. UV-Vis Spectroscopic Analysis

UV-Vis spectra of control and treated samples were obtained from Shimadzu UV spectrophotometer (2400 PC) with quartz cell of 1 cm and a slit width of 2.0 nm. The analysis was done at the wavelength range of 200-400 nm.

3. Results and Discussion

3.1. XRD Studies

The XRD study was conducted on both control and treated samples of 4-bromoacetophenone and diffractograms are shown in Figure 1. Both control and treated 4- bromoacetophenone samples exhibited very sharp and intense peaks of intensity 1350 a.u. and 630 a.u., respectively in their X-ray diffractogram. The control 4- bromoacetophenone exhibited the XRD peaks at 2θ equal to 19.05°, 28.71°, 38.57°, and 49.04° (Table 1). However, the XRD diffractogram of treated 4-bromoacetophenone showed the XRD peaks at 2θ equal to 18.91°, 20.45°, 23.28°, 28.57°, 38.46°, and 48.62 °, with decreased intensity as compared to the control. The crystallite size was calculated using Scherrer formula and found decreased after biofield treatment by 16.69% in the treated 4-bromoacetophenone. It was reported that the strain produced by energy milling had reduced the crystallite size in the crystal [17]. Thus, it is assumed that biofield energy treatment might induce the energy that causes milling in the treated 4-bromoacetophenone which is responsible for a decrease in crystallite size.

FWHM of  peak intensity 100% Crystallite size 
‘G’ x 10-9 m
Percent change in 
‘G’ wrt control
Control 19.05, 28.71, 38.57, 49.04 0.12 85.43
Treated 18.91, 20.45, 23.28, 28.57, 38.46, 48.62, 0.14 71.17 -16.69

FWHM: full width half maximum, wrt: with respect to.
Table 1. XRD analysis of control and treated 4-bromoacetophenone.

Fig-1

Fig. 1. X-ray diffractograms of control and treated samples of 4-bromoacetophenone.

3.2. DSC Analysis

Measurement of melting point and latent heat of fusion (ΔH) was done using DSC analysis. The melting point and ΔH of control and treated samples of 4-bromoacetophenone are presented in Table 2. The latent heat of fusion (ΔH) was decreased in the treated 4-bromoacetophenone from 230.55 J/g to 228.38 J/g. A lower melting point was observed in the treated 4-bromoacetophenone (54.44°C) as compared to the control sample (55.22°C), (Table 2). This result showed that treated 4-bromoacetophenone sample needed less energy in the form of ΔH to undergo the process of melting at a lower temperature after biofield energy treatment. It is hypothesized that the biofield energy might reduce the intermolecular force in the treated 4-bromoacetophenone molecules, which possibly decrease the melting point and latent heat of fusion.

Parameter Control Treated Percent change
Latent heat of fusion ΔH (J/g) 230.35 228.38 -0.85
Melting point (°C) 55.22 54.44 -1.41

Table 2. DSC analysis of control and treated 4-bromoacetophenone.

3.3. TGA/DTG Analysis

The TGA/DTG thermograms of both control and treated samples of 4-bromoacetophenone are shown in Figure 2. TGA curve showed that the control and treated samples were degraded in one step. In control 4-bromoacetophenone, the onset temperature was at 128.69°C and endset at 199.86°C. However, in treated sample, onset temperature was observed at 124.95°C and endset at 186.66°C. In this process, the control sample lost 59.24% of its initial weight, whereas treated sample lost 57.44% of its initial weight. The DTG thermogram showed the Tmax at 169.89°C and 157.54°C, respectively in the control and treated sample. Thus, the decrease in maximum degradation temperature of treated 4- bromoacetophenone can be related to decreasing in thermal stability. The overall decreases in thermal stability of treated sample might be advantageous to be used as a reaction intermediate in coupling and photo excitation reactions.

Fig-2
Fig. 2. TGA-DTG thermogram of control and treated samples of 4-bromoacetophenone.

3.4. FT-IR Analysis

The treated sample of 4-bromoacetophenone was divided into two parts as T1, and T2. The FT-IR spectra of control and treated samples of 4-bromoacetophenone are presented in Figure 3. The FT-IR spectra showed the aromatic C-H stretching frequency at 3010 cm-1 for control and treated samples of 4-bromoacetophenone. The IR spectra of control 4-bromoacetophenone sample showed C=O stretching at 1670 cm-1, however in treated samples the C=O stretching frequency shifted to higher energy region (T1=1672 cm-1, T2=1685 cm-1). The carbon-halogen bond is stronger covalent bond and it can be easily identifiable and appeared at 609 cm-1, for the C−Br bending vibration in both control and treated samples. The absorption at 1587 cm-1 and 1359 cm-1 in control sample are due to the C=C stretching in aromatic ring (1359 cm-1) was first reduced to 1354 cm-1 and then increased to 1361 cm-1 in the treated T1 and T2 samples respectively. Furthermore, the C-H deformation bends were assigned to the peaks at 1269 cm-1 in both control and treated samples of 4-bromoacetophenone. The FT-IR spectra indicated that there was a slight alteration in the C=O and C=C stretching frequencies in the treated 4- bromoacetophenone, which increased after biofield energy treatment. The FT-IR results did not show any major changes in vibrational frequencies for the aromatic C-H stretching frequencies. The FT-IR spectral data is well matched with the literature data [18].

Fig-3
Fig. 3. FT-IR spectra of control and treated samples of 4-bromoacetophenone.

3.5. GC-MS Analysis

The treated sample of 4-bromoacetophenone was divided into four parts as T1, T2, T3, and T4. The mass spectra of control and treated samples of 4-bromoacetophenone are shown in Figure 4(a) and 4(b), respectively. The mass spectra showed the PM (primary molecule) peak at m/z = 198 in the control and treated samples of 4-bromoacetophenone. The m/z peak intensity, intensity ratio and isotopic abundance ratio of (PM+1)/PM and (PM+2)/PM peaks are presented in Table 3. There were six major peaks observed in both control and treated samples of 4-bromoacetophenone. The peaks are at m/z = 198, 183, 155, 76, 50 and 43 due to 4- bromoacetophenone and its degraded products. The degradation of 4-bromoacetophenone, corresponded to the following ions: C8H9Br+ (p-bromoehtylbenzene), C6H5Br+ (bromobenzene), C6H5+ (benzene), C4H2+ (1, 3-butadyine) and C2H4O+ (acetaldehyde), respectively were well matched with the reported GC-MS data [19]. The treated 4- bromoacetophenone samples (T1-T4) were fragmented in a similar way with varied intensities as the control sample. Isotopic abundance ratio of (PM+1)/PM and (PM+2)/PM in 4-bromoacetophenone was calculated and presented in Figure 5. It is seen from the Figure 5 that the isotopic abundance ratio of (PM+1)/PM in 4-bromoacetophenone was increased by 3.83% in T3 sample, while it was decreased by 9.12% in treated, T2 sample as compared to the control. However, the isotopic abundance ratio of (PM+2)/PM in 4- bromoacetophenone was decreased from 0.1 to 1.62% in T1 to T4 samples, as compared to the control. The biofield treatment may have altered the isotopic abundance ratio of (PM+1)/PM and (PM+2)/PM of treated 4- bromoacetophenone from the control sample. Furthermore, it is assumed that the lower isotopic ratio of (PM+1)/PM and (PM+2)/PM, might have decreased the stability of the compound due to the decreased μ (reduced mass) and binding energy in molecules with lighter isotopic bonds. This lower binding energy may lead to decrease the bond strength for treated 4-bromoacetophenone, however, the reverse might happen in treated T3 sample [20]. It is reported that the isotope fractionation for bromine and oxygen is slower than chlorine, carbon, hydrogen, and nitrogen, which is much dependent on the reaction path (kinetic) of organohalogen compounds [21], and we have observed a slow depletion of (PM+2)/PM ratio (1.62%). Thus, GC-MS data suggested that biofield treatment has significantly altered the isotopic ratio of in treated 4-bromoacetophenone molecule.

Parameter Control Treated
T1 T2 T3 T4
Peak Intensity at m/z=  (PM) 21.93 20.47 66.46 23.00 22.74
Peak Intensity at m/z= (PM+1) 1.91 1.72 5.26 2.08 1.96
Peak Intensity at m/z= (PM+2) 21.38 19.77 64.04 22.04 21.82
Percent Change of Isotopic abundance in (PM+1)/PM -3.52 -9.12 3.83 -4.06
Percent Change of Isotopic abundance in (PM+2)/PM -0.93 -1.16 -0.1 -1.62

Table 3. GC-MS isotopic abundance analysis result of 4-bromoacetophenone.

Fig-4a
Fig. 4(a). GC-Mass spectra of control sample of 4-bromoacetophenone.

Fig-4b
Fig. 4(b). GC-MS spectra of treated (T1, T2, T3 and T4) samples of 4-bromoacetophenone.

Fig-5
Fig. 5. Percent change in isotopic abundance ratio of (PM+1)/PM and (PM+2)/PM in treated samples of 4-bromoacetophenone.

3.6. UV-Vis Analysis

The UV spectra of control and treated 4- bromoacetophenone are shown in Figure 6. The UV spectrum of control sample showed the absorbance maxima (λmax) at 205 and 254 nm. Similarly, the spectra of treated sample showed the λmax at 203 and 254 nm. The peak at 254 nm absorption maximum in control sample did not show any shift of wavelength after biofield energy treatment. However, the peak at higher energy region showed a minor blueshift from 205 nm (control) to 203 nm (treated). The result showed that similar pattern but a minor shift of absorbance maxima was exibited by the treated sample as compared to the control. Therefore, it is suggested that the biofield treatment did not disturb the HOMO-LUMO energy gap in the treated sample as compared to the control.

Fig-6
Fig. 6. UV-Vis spectra of control and treated 4-bromoacetophenone sample.

4. Conclusion

In summary, the crystallite size was significantly decreased by 16.69% with decreased intensity of the diffractogram in treated 4-bromoacetophenone as compared to the control. The melting point, latent heat of fusion, and Tmax were decreased slightly by 1.42 %, 0.85 %, and 7.26%, respectively in the treated sample as compared to the control, indicated the reduced thermal stability of the biofield treated 4-bromoacetophenone. The isotopic abundance ratio of (PM+1)/PM of treated 4-bromoacetophenone was significantly decreased to 9.12% in T2 and slight increased up to 3.83 % in T3 sample as compared to the control. However, the isotopic abundance ratio of (PM+2)/PM in treated 4-bromoacetophenone was decreased by 1.62%. It is assumed that due to the lowering of isotopic abundance ratio of (PM+1)/PM and (PM+2)/PM of treated 4- bromoacetophenone, with lower binding energy may lead to lowering of chemical stability than the control sample. The lowering of isotopic abundance is well corroborated with the shifting of C=O and C=C peak to higher wavenumber region in FT-IR spectra. It is assumed that the lowering of thermal stability in treated 4-bromoacetophenone could make it useful as a reaction intermediate in various coupling reactions and in the synthesis of polymers.

Abbreviations

XRD: X-ray diffraction
FT-IR: Fourier transform infrared
GC-MS: Gas chromatography-mass spectrometry
DSC: Differential scanning calorimetry
TGA: Thermogravimetric analysis
PM: Primary mass (m/z = 198 for 4-bromoacetophenone)
PM+1: represents isotopic molecule (m/z = 199)
PM+2: represents isotopic molecule (m/z = 200)

Acknowledgments

The authors would like to acknowledge the whole team of MGV Pharmacy College, Nashik for providing the instrumental facility. We would also like to thank Trivedi ScienceTM, Trivedi Master WellnessTM and Trivedi Testimonials for their support during the work.

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