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Agatha P. Colbert,Adrian Larsen,Steve Chamberlin,Carrie Decker,Heather C. Schiffke,William L. Gregory,Tran Thong 사단법인약침학회 2009 Journal of Acupuncture & Meridian Studies Vol.2 No.4
Electrodermal screening (EDS) is based on three commonly held assumptions: acupuncture points (APs) have lower electrical resistance than non-APs; resistance at APs varies with health and disease; and effective acupuncture treatments are associated with normalization of resistance at APs. Although evidence confirming these assumptions is limited, EDS is frequently practiced worldwide. Researchers are also beginning to assess EDS’ utility as an outcome measure in acupuncture trials. Fundamental in developing EDS as a research tool is the need for an accurate and reliable measurement. We developed an automated multichannel prototype system, the Octopus, and recorded electrical resistance and capacitance at eight skin sites in 33 healthy participants over 2 hours. The Octopus accurately measured against known resistors (within 2.5% of the mean value) and capacitors (within 10% of the mean value), and yielded repeatable readings at all eight skin sites: LR 1 (r = 0.79), SP 1 (r = 0.79), toe non-AP (r = 0.77), LU 9 (r = 0.97), PC 6 (r = 0.96), wrist non-APs (r = 0.97), SP 6 (r = 0.96), and leg non-APs (r = 0.97). Resistance at APs was significantly lower than the nearby non-APs in one out of three comparisons. Electrodermal screening (EDS) is based on three commonly held assumptions: acupuncture points (APs) have lower electrical resistance than non-APs; resistance at APs varies with health and disease; and effective acupuncture treatments are associated with normalization of resistance at APs. Although evidence confirming these assumptions is limited, EDS is frequently practiced worldwide. Researchers are also beginning to assess EDS’ utility as an outcome measure in acupuncture trials. Fundamental in developing EDS as a research tool is the need for an accurate and reliable measurement. We developed an automated multichannel prototype system, the Octopus, and recorded electrical resistance and capacitance at eight skin sites in 33 healthy participants over 2 hours. The Octopus accurately measured against known resistors (within 2.5% of the mean value) and capacitors (within 10% of the mean value), and yielded repeatable readings at all eight skin sites: LR 1 (r = 0.79), SP 1 (r = 0.79), toe non-AP (r = 0.77), LU 9 (r = 0.97), PC 6 (r = 0.96), wrist non-APs (r = 0.97), SP 6 (r = 0.96), and leg non-APs (r = 0.97). Resistance at APs was significantly lower than the nearby non-APs in one out of three comparisons.
Agatha P. Colbert,Keith Spaulding,Adrian Larsen,Andrew C. Ahn,Janet A. Cutro 사단법인약침학회 2011 Journal of Acupuncture & Meridian Studies Vol.4 No.1
Electrodermal activity (EDA) at acupuncture points (acupoints) has been investigated for its utility as a diagnostic aid, a therapeutic monitoring tool, and a physiological outcome measure. The research methodologies reported in published trials,however, vary considerably and publications often lack sufficient details about electrical instrumentation, technical procedures, laboratory conditions, recorded measures, and control comparisons to permit a critical appraisal of the studies or to replicate promising findings. We developed a 10-category (54 subitems) Quality of Reporting scale based on technical issues associated with EDA measurements,publication requirements for reporting EDA in the psychophysiological literature,and recommendations from the CONSORT Statement for reporting clinical trials. Using our Quality of Reporting scale, we extracted data from 29 studies that evaluated EDA at acupoints in patients and generated weighted scores for each of the 10 categories of essential information. Only 9 of the 29 studies reviewed scored a mean of greater than 50% for reporting details of essential information. To rigorously build a program of research on EDA at acupoints we need to standardize research methodology and reporting protocols. We propose a checklist of recommended informational items to report in future clinical trials that record EDA at acupoints.
Best practices for initiation of banana and plantain (Musa spp.) cultures
Fatma H. Kiruwa(Fatma H. Kiruwa ),Emanuel Epathra Mlinga(Emanuel Epathra Mlinga ),Agatha Amnaay Aloyce(Agatha Amnaay Aloyce ),Mpoki Mathew Shimwela(Mpoki Mathew Shimwela ) (사)한국식물생명공학회 2024 JOURNAL OF PLANT BIOTECHNOLOGY Vol.51 No.1
Steve Chamberlin,Agatha P. Colbert,Adrian Larsen 사단법인약침학회 2011 Journal of Acupuncture & Meridian Studies Vol.4 No.1
The clinical practice of recording skin conductance (SC) at acupuncture points (acupoints), as a diagnostic and/or therapeutic monitoring aid may have scientific merit. However, influences of age, gender and time of day on these recordings are unknown and it is unclear whether SC at acupoints differs from SC levels in general (as reported in psychophysiology research). This paper summarizes SC data obtained with the AcuGraph 3 Digital Meridian Imaging System between June 2005and March 31, 2010. An initial dataset of 117,725 SC examinations was scrubbed to include only the first SC examination on individual patients and exclude potentially faulty data. The final dataset consists of SC recordings at the 24 Source (Yuan) acupoints in 8637 patients, collected by 311 practitioners. Twelve left/right average conductance measures and an overall average of the 24 acupoints were assessed. Statistical analyses included two sample t tests, three way analyses of variance and linear regression. Results indicate that mean SC at acupoints, similar to SC in general,is higher in males, higher in afternoons and declines with age. Not previously reported, the rate of SC decline with age differs at different acupoints between males and females. These findings have substantial implications for acupuncture research and practice.
Customer Behavior Data Model using User Profile Analysis
Jung, Yong Gyu,Lee, Agatha,Lee, Jeong Chan,Lee, Young Dae The International Promotion Agency of Culture Tech 2013 International Journal of Advanced Culture Technolo Vol.1 No.2
Today, most of the companies have numerous issues to take advantage of the data within the organization. Modeling techniques could be described using profile and historical log data as a tool of data mining techniques. It is covered increasingly with data entry, research, processing, modeling and reporting components of the icon in the form of easy-to-use in many datamining tools. Visual data mining process can create a data stream. In this paper, customer behavior is predicted in pages or products, using the history profile analysis and the navigation items are necessary to predict unknown features.
Customer Behavior Data Model using User Profile Analysis
Yong Gyu Jung,Young Dae Lee,Agatha Lee,Jeong Chan Lee 국제문화기술진흥원 2013 International Journal of Advanced Culture Technolo Vol.1 No.2
Today, most of the companies have numerous issues to take advantage of the data within the organization. Modeling techniques could be described using profile and historical log data as a tool of data mining techniques. It is covered increasingly with data entry, research, processing, modeling and reporting components of the icon in the form of easy-to-use in many datamining tools. Visual data mining process can create a data stream. In this paper, customer behavior is predicted in pages or products, using the history profile analysis and the navigation items are necessary to predict unknown features.
Mustika Sari,Yustine Chung,Felicia Agatha,김형권 한국응용생명화학회 2019 Applied Biological Chemistry (Appl Biol Chem) Vol.62 No.-
Several phenolic compounds derived from plant biomass are attracting attention because they display high antioxidant activity. In this study, antioxidant activity was confirmed in 4-hydroxyphenylacetic acid (HPA), and transesterification reaction using Candida antarctica lipase B was performed to enhance the solubility of HPA. The HPA-diolein (HPA-DON) was synthesized from HPA and triolein, while the HPA-fish oil diglyceride (HPA-dFO) was synthesized from HPA and Menhaden fish oil. To increase the conversion yield, the enzyme reaction conditions of the substrate molar ratio, enzyme amount, and reaction time were optimized. After the reaction, HPA-DON and HPA-dFO were purely separated, using prep-LC. The activity assays using DPPH and ABTS radicals confirmed that HPA-DON and HPA-dFO have antioxidant activity. HPA-DON has high activity in non-polar solvents, while HPA-dFO has strong activity in both polar solvents and non-polar solvents. In addition, HPA-dFO has the growth inhibition activity for Bacillus coagulans, Geobacillus stearothermophilus, and Alcaligenes faecalis that cause food spoilage. Therefore, HPA-dFO is a new synthetic substance that has both antioxidant activity and antibacterial activity. The results indicate that these HPA-derivatives can be expected to be developed as important materials in the food and cosmetics industries.