biological limitations of low power laser effects

... faster with low power laser Lasers Surgical Medicine 1987, 7(1):36-45 19 Yamada K: Biological effects of low power laser irradiation on clonal osteoblastic cells (MC3T3-E1) The Journal of the Japanese ... positive impact of laser on bone healing Although there are different kinds of low power lasers e.g Co2, He-Ne, Ga-Al-As, and Infra Red, all the identified studies used continuous wave He-Ne lasers This ... http://www.josr-online.com/content/5/1/1 of studies that have addressed the impact of laser on the strength of healed bone in an animal fracture model Despite these limitations, there was a statistically significant impact of laser...

Ngày tải lên: 20/06/2014, 04:20

... Figure 19, a summary of all energy converters is presented with the main purpose of covering for the scarcity of energy engines with low power which can be applied in most of the water supply, ... Figure Variation of discharge and binary with two and three pistons of double or single effect out of phase of 90º and 120º 3.2 Positive displacement pumps This engine consists mainly of a chamber ... Reynolds (smaller viscosity effects) , lesser dissipative effects from rotation will be obtained, relatively to the scale of the flow According with the simplifications of fluid transportation equations,...

Ngày tải lên: 05/09/2013, 15:28

... different types of practices; KAAU (N = 489) and two PDPs in the city of Jeddah (N = 254) during the period of August-November 2004 All subjects were of Arabic descendants and with no history of Table ... perception of their malocclusion Also, there is no evidence of how the severity of those traits is perceived by people These shortcomings of the IOTN indicate the need to study the appropriateness of ... Figure Graphical representation of table Graphical representation of table FIGURE Figure Graphical representation of table Graphical representation of table Page of (page number not for citation...

Ngày tải lên: 11/08/2014, 23:22

... efficacy of low level laser treatment of oro-facial neurosensory deficits J Oral Maxillofac Surg 1993:182 Walsh LJ: The current status of low level laser therapy in dentistry Part Soft tissue ... following removal of impacted third molars: the role of the experience of the surgeon J Oral Maxillofac Surg 1986, 44:855-859 Khullar SM, Brodin P, Barkvoll P, Haanaes HR: Preliminary study of low- level ... modalities, low level laser (LLL) therapy can also used for the treatment of nerve injuries There have been many claims for the therapeutic effects of LLL treatment such as acceleration of wound...

Ngày tải lên: 11/08/2014, 23:22

... Implementation of Low Power MAC Protocol for Wireless Body Area Network by Pan Rui Submitted to the Department of Electrical and Computer Engineering on 13th Aug 2014, in partial fulfillment of the requirements ... requirements for the degree of Doctor of Philosophy Abstract A wireless body area network (WBAN) is a network consists of wearable wireless computing devices Advances in low power integrated circuits ... Conditions 2.2 Review of Existing Works on Implementation of WBAN Systems 2.3 Review of Existing Works on Relay Protocols to Mitigate the Effects of the Varying On-Body Channel Conditions...

Ngày tải lên: 09/09/2015, 08:16

... The power consumptions of the transceiver are estimated from the output power of the TX and the performance of the RX In order to cover an indoor distance of around 10 m, dBm or 1mW output power ... output power and overall efficiency of the PA (pre-driver and PA-stage) at frequency of 2.45 GHz 52 Figure 4.16 The simulated and measured results of the output power and efficiency of the ... targeting at low output power is given in Chapter This is then followed by the detailed circuit design of all the key modules of the transceiver in Chapter The measurement results of the transceiver...

Ngày tải lên: 09/09/2015, 18:49

... communication range of less than 0.25 m within an office environment Sub GHz is chosen in this design to enable low power implementation by exploiting larger ratio of f/fT In addition, it also offers better ... and support which is the source of strength for me i TABLE OF CONTENTS SUMMARY IV  LIST OF FIGURES 1  LIST OF TABLES 6  LIST OF ABBREVIATIONS 7  CHAPTER ... 11 One way of overcoming output power limitation is through on-chip or off-chip passive power combiners [5] However, they are generally lossy and incur additional area or cost Spatial power combination...

Ngày tải lên: 10/09/2015, 09:21

... popular choice of technology for low data rate low power applications such as wireless sensor networks [12]-[13] based on IEEE 802.15.4a standard for reasons such as low cost, low power and low complexity ... 50 Fig 4.1: Low power burst mode UWB transceiver architecture 51 Fig 4.2: Measured result for low power burst mode UWB transceiver 52 Fig 4.3: Chip microphotograph of low power burst ... 500 MHz (regardless of fractional bandwidth) The main reasons for the popularity of UWB lie in its ability of data transmission over a large bandwidth at very low power (below -41 dBm/MHz), thus...

Ngày tải lên: 04/10/2015, 15:45

... respectively He is a professor of School of Energy and Environment, Hebei University of Technology Since from 2005, he has taken as the dean of School of Energy and Environment of HBUT His work focus ... the input power of the thermoelectric module In this experiment, when the input power was 6.0 W, the dehumidifying period reached the minimum of 120 In contrast, for the input powers lower or ... different input powers of the thermoelectric module Figure compares the variations of COP under different input powers of the thermoelectric module It can be seen that the COP of the TED increases...

Ngày tải lên: 05/09/2013, 16:10

... conversion of the POR complex, is irreversible There is no evidence of the reformation of organized PLB if the pH of the low pH sample is returned to pH 7.5 by the addition of small amounts of KOH ... results of measurements of the effects of ATP, ADP, AMP and adenosine on the corresponding low pH-induced blue-shift in the absorption maximum of maize PLB, made in the presence and absence of NaF, ... rate of the blue shift in the presence or absence of NaF alone The NADPH-binding efficiency of POR-Chlide684, at low pH is unknown It is thus hard to disentangle the effects of a possible loss of...

Ngày tải lên: 22/02/2014, 04:20

... reading section was 80 out of 120 Because the goal of this research was to investigate the effects of pictures on the reading comprehension of EFL college students with low proficiency, the researcher ... facilitate low- level learners’ understanding of text that exceeds their proficiency level? The hypothesis of this study is that regardless of whether text meets or exceeds a student’s proficiency ... comprehension of low- proficiency EFL college students The specific research questions are: ● Do pictures give low- level learners a better understanding of text that meets their proficiency level?...

Ngày tải lên: 05/03/2014, 12:20

... rotational motion of large proteins with low concentration of spin labels should be detected At low concentration of spin labels where high receiver gain is required to obtain a spectrum of good quality, ... spectrum of the ADPVI state of the bers (not shown) and spectrum D The eld scan was 10 mT Effect of nucleotides The addition of MgADP resulted in a change in the mean angle of the distribution of the ... activity of myosin extracted from muscle bers was measured by determining the rate of release of Pi as described previously [26] The mean ATPase activity of myosin was reduced to % 60% of the control...

Ngày tải lên: 24/03/2014, 03:21

... assessment of the state of the art across the free-electron laser community in order to evaluate the feasibility of achieving power and other technical parameters specified by the Office of Naval ... using chemically powered lasers, the Army has researched the use of solid-state laser technologies, and the Navy has developed free-electron lasers through programs at the Office of Naval Research ... view, the Office of Naval Research is interested in exploring the potential of free-electron lasers to serve as the basis of effective weapon systems and in achieving a megawatt of power at the...

Ngày tải lên: 28/03/2014, 11:20

... BACTERICIDAL EFFECTS OF LOW- TEMPERATURE OXYGEN PLASMA ON Figure 11 Flow cytometric analysis of Bacillus stearothermophilus using LIVE/DE AD BacLight TM Bacterial Viability Kit Suspension of (a) ... detection of dead and live bacteria after the plasma treatment CONCLUSION For sterilization effects of low- temperature highly dissociated oxygen plasma, we came to following conclusions: The results of ... for evaluation of post treated bacteria need to be developed, apart from standard count plate technique The purpose of this study was to determine the sterilization effects of lowtemperature...

Ngày tải lên: 18/05/2014, 20:29

... cultured in the presence of adequate levels of GM-CSF During the preparation of our mouse primary mixed glial cultures, we routinely supplement culture medium with low levels of GM-CSF (0.5 ng/ml) ... analysis of low dose GM-CSF effects on microglia, we quantified the relative percentages of microglia recovered from mixed glial cultures continuously propagated in the presence/absence of recombinant ... Journal of Neuroinflammation 2007, 4:10 effects of GM-CSF on microglial activation and bacterial phagocytosis are negligible at the low doses used as a culture medium supplement in our studies Effects...

Ngày tải lên: 19/06/2014, 22:20

... Efficacy of low- intensity pulsed ultrasound in the prevention of osteoporosis following spinal cord injury Bone 2001, 29(5):431-436 Leung KS, Lee WS, Cheung WH, Qin L: Lack of efficacy of lowintensity ... following treatment with low- intensity pulsed ultrasound Ultrasound Med Biol 2004, 30(3):389-395 Friedenberg ZB, Harlow MC, Brighton CT: Healing of nonunion of the medial malleolus by means of ... of funding, acquisition of data, analysis and interpretation of data, drafting of manuscript, statistical analysis; NE study conception and design, procurement of funding, critical revision of...

Ngày tải lên: 20/06/2014, 01:20

... indicated Cell density of the biofilms was calculated from the CFU data Figure Effects of ampicillin on biofilms of B subtilis 1500 Biofilms were treated with varying concentrations of ampicillin and ... important to follow the kinetics of viability and gene expression over time In summary, we conducted a detailed study of the effects of weak DC on viability, gene expression and morphology of B subtilis ... about cm below the top of the cuvette when full (3 mL) Figure Effects of DC and pre-treated media on planktonic cells of B subtilis 168 Planktonic cells were sub-cultured to OD600 of 0.8, and...

Ngày tải lên: 20/06/2014, 23:20

... annealing Page of Conclusion We have studied the effects of a low- temperature AlGaAs capping layer on the optical properties of a GaAs QW, using different capping temperatures of 200, 350, 450, ... were further studied by the excitation power dependence of the PL Figure plots integrated PL intensity as a function of the excitation power The PL intensities of the samples capped at 580 and 350°C ... Missous M, Singer KE: Low- temperature molecular beam epitaxy of gallium arsenide Appl Phys Lett 1987, 50:694 doi:10.1186/1556-276X-6-76 Cite this article as: Jo et al.: Effects of low- temperature capping...

Ngày tải lên: 21/06/2014, 06:20

... with a nanogap of 75 nm (solid circles), and a FE nano/microdiode consisting of the P-SiNT FEA and W-plate anode with a nanogap of 75 nm (hollow circles) and microgap of 17 µm (hollow squares) ... distance of W anode to the bottom of emitters as shown in Figure 2) In the scenario of electron field emissions, the FN plot of ln(I / V ) versus V −1 should fit a straight line with a slope of −6.44 ... Paradox of low field enhancement factor for field emission nanodiodes in relation to quantum screening effects Tsung-Chieh Cheng*1, Pai-Yen Chen2, and Shen-Yao Wu1 Department of Mechanical...

Ngày tải lên: 21/06/2014, 17:20

... “Lowpower CMOS digital design,” IEEE Journal of Solid-State Circuits, vol 27, no 4, pp 473–484, 1992 [18] B M Bass, “A low- power, high-performance, 1024-points FFT processor,” IEEE Journal of ... of multiplications and additions are used to evaluate the powerefficiency of the proposed CBT algorithm and architecture In the proposed CBT, the number of the complex multiplications is half of ... simulation of the CBT processor and a benchmark 256-point FFT processor verified the power efficiency of the proposed architecture The proposed CBT algorithm and its architecture are very suited for lowpower...

Ngày tải lên: 22/06/2014, 19:20