Replication of deoxyribonucleic acid (DNA) with respect to gene technology

Esser, Karl,Oeser, Birgitt The Microbiological Society of Korea 1986 微生物과 産業 Vol.12 No.1

이글은 Esser, K. & Oeser, B.의 논문으로 해외근착자료로 소개한다. Nucleic acids do not only carry the genetic information, but are also the only substances being able of self-replication. Molecular cloning, an essential tool in biotechnology, requires among other things, an understanding of the mechanisms of replication which at present is fairly well known. After an introduction to the general principle, the status of art on replication procedure and its implication for biotechnology are dealt with. Nucleic acids do not only carry the genetic information, but are also the only substances being able of self-replication. Molecular cloning, an essential tool in biotechnology, requires among other things, an understanding of the mechanisms of replication which at present is fairly well known. After an introduction to the general principle, the status of art on replication procedure and its implication for biotechnology are dealt with.

Versatile robotic platform for structural health monitoring and surveillance

Esser, Brian,Huston, Dryver R. Techno-Press 2005 Smart Structures and Systems, An International Jou Vol.1 No.4

Utilizing robotic based reconfigurable nodal structural health monitoring systems has many advantages over static or human positioned sensor systems. However, creating a robot capable of traversing a variety of civil infrastructures is a difficult task, as these structures each have unique features and characteristics posing a variety of challenges to the robot design. This paper outlines the design and implementation of a novel robotic platform for deployment on ferromagnetic structures as an enabling structural health monitoring technology. The key feature of this design is the utilization of an attachment device which is an advancement of the common magnetic base found in the machine tool industry. By mechanizing this switchable magnetic circuit and redesigning it for light weight and compactness, it becomes an extremely efficient and robust means of attachment for use in various robotic and structural health monitoring applications. The ability to engage and disengage the magnet as needed, the very low power required to do so, the variety of applicable geometric configurations, and the ability to hold indefinitely once engaged make this device ideally suited for numerous robotic and distributed sensor network applications. Presented here are examples of the mechanized variable force magnets, as well as a prototype robot which has been successfully deployed on a large construction site. Also presented are other applications and future directions of this technology.

Digital Diplomacy

Victoria Esser 동아시아재단 2012 Global Asia Vol.7 No.3

Versatile robotic platform for structural health monitoring and surveillance

Brian Esser,Dryver R. Huston 국제구조공학회 2005 Smart Structures and Systems, An International Jou Vol.1 No.4

Utilizing robotic based reconfigurable nodal structural health monitoring systems has many advantages over static or human positioned sensor systems. However, creating a robot capable of traversing a variety of civil infrastructures is a difficult task, as these structures each have unique features and characteristics posing a variety of challenges to the robot design. This paper outlines the design and implementation of a novel robotic platform for deployment on ferromagnetic structures as an enabling structural health monitoring technology. The key feature of this design is the utilization of an attachment device which is an advancement of the common magnetic base found in the machine tool industry. By mechanizing this switchable magnetic circuit and redesigning it for light weight and compactness, it becomes an extremely efficient and robust means of attachment for use in various robotic and structural health monitoring applications. The ability to engage and disengage the magnet as needed, the very low power required to do so, the variety of applicable geometric configurations, and the ability to hold indefinitely once engaged make this device ideally suited for numerous robotic and distributed sensor network applications. Presented here are examples of the mechanized variable force magnets, as well as a prototype robot which has been successfully deployed on a large construction site. Also presented are other applications and future directions of this technology.

Single Sensor Gait Analysis to Detect Diabetic Peripheral Neuropathy: A Proof of Principle Study

Patrick Esser,Johnny Collett,Kevin Maynard,Dax Steins,Angela Hillier,Jodie Buckingham,Garry D. Tan,Laurie King,Helen Dawes 대한당뇨병학회 2018 Diabetes and Metabolism Journal Vol.42 No.1

This study explored the potential utility of gait analysis using a single sensor unit (inertial measurement unit [IMU]) as a simple tool to detect peripheral neuropathy in people with diabetes. Seventeen people (14 men) aged 63±9 years (mean±SD) with diabetic peripheral neuropathy performed a 10-m walk test instrumented with an IMU on the lower back. Compared to a reference healthy control data set (matched by gender, age, and body mass index) both spatiotemporal and gait control variables were different between groups, with walking speed, step time, and SDa (gait control parameter) demonstrating good discriminatory power (receiver operating characteristic area under the curve >0.8). These results provide a proof of principle of this relatively simple approach which, when applied in clinical practice, can detect a signal from those with known diabetes peripheral neuropathy. The technology has the potential to be used both routinely in the clinic and for tele-health applications. Further research should focus on investigating its efficacy as an early indicator of or effectiveness of the management of peripheral neuropathy. This could support the development of interventions to prevent complications such as foot ulceration or Charcot’s foot.

하나님이 주신 은사에 순복하고 있는가

셀리 에서 두란노 2005 목회와 신학 Vol.- No.187

하나님께서 우리에게 어떤 은사를 주셨든지 우리가 그 작은 제비꽃처럼 말할 수 있게 되기를 바란다. “저는 별로 대단하지 않지만, 만일 당신께서 제가 돕는 은사나 예언의 은사나 긍휼의 은사나 지식의 은사 등을 갖기로 원하셨다면 그것을 제게 주셨을 것이라고 생각해요. 그러나 당신은 저에게 가르침의 은사를 갖기 원하셨던 거예요. 그래서 저는 최선을 다해 당신의 영광을 위한 최고의 작은 교사가 되기로 결심했답니다.

받으실만한 제물

셀리 에서 두란노 2005 목회와 신학 Vol.- No.194

고통의 보화

셀리 에서 두란노 2004 목회와 신학 Vol.- No.185

나는 영화 <패션 오브 크라이스트(The Passion of Christ)>에서 채찍지당한 어깨 위로 십자가를 지고 골고다 언덕까지 걸어가시는 예수님의 극적인 이미지를 결코 잊어버릴 수없다. 극도의 고통, 비탄, 아버지로부터 완전히 버림받은 느낌.

끝까지 인내하기 : Persevering to the finish

셸리 에서 두란노 2005 목회와 신학 Vol.- No.189

출발을 알리는 총성이 울렸다. 몇 ㎞에 걸쳐서 보이는 것은 사람들의 까딱거리는 머리들뿐이었다. 군중 속 어디선가 나의 아버지도 다른 1만 명의 주자들과 함께 42.195㎞ 전방에 있는 보스턴마라톤대회의 결승선을 향한 장거리 경주를 시작하고 있었다. 그것은 아버지가 향후 21년간 지속할 연례 행사였다. 엄마와 여동생들 그리고 나는 서둘러 결승선으로 다가갔다. 아버지가 결승선을 통과할때 꼭 환영해 주기 위해서였다. 두 시간 반가량 지난 후에 우리는 아버지의 모습을 볼 수 있었다. 아버지는 많은 장애물들에도 불구하고 완주해 내셨다. 우리 모두는 자부심에 들떴다. 장거리 경주자기 있는 집에서 자란다는 것은 모험이었다. 나는 온갖 유형의 장애물들을 극복하고 목표 지점에 도달하는 아버지의 자제력과 능력을 찬탄해마지 않았다. 아버지는 아무리 어려움이 많을지라도 인내하며 통과해 나가는 것의 중요성을 우리 가족에게 몸소 보여주셨다. 우리는 숙제든 과제든 시작한 것을 반드시 끝내라고 항상 격려를 받았다. 나는 그리스도인이 된 후에 장거리 경주자의 여러 특징들이 믿음의 경주에 쉽게 적용될 수 있음을 보았다. 그리고 성경을 읽으면서, 바울이 그리스도인의 삶을 경주에 자주 비유하고 있다는 점을 포착했다. 그렇다면 믿음의 경주를 완주하게 도와주는 필수 요소들은 무엇일까?

Hazards Caused by UV Rays of Xenon Light Based High Performance Solar Simulators

Dibowski, Gerd,Esser, Kai Occupational Safety and Health Research Institute 2017 Safety and health at work Vol.8 No.3

Background: Solar furnaces are used worldwide to conduct experiments to demonstrate the feasibility of solar-chemical processes with the aid of concentrated sunlight, or to qualify high temperature-resistant components. In recent years, high-flux solar simulators (HFSSs) based on short-arc xenon lamps are more frequently used. The emitted spectrum is very similar to natural sunlight but with dangerous portions of ultraviolet light as well. Due to special benefits of solar simulators the increase of construction activity for HFSS can be observed worldwide. Hence, it is quite important to protect employees against serious injuries caused by ultraviolet radiation (UVR) in a range of 100 nm to 400 nm. Methods: The UV measurements were made at the German Aerospace Center (DLR), Cologne and Paul-Scherrer-Institute (PSI), Switzerland, during normal operations of the HFSS, with a high-precision UV-A/B radiometer using different experiment setups at different power levels. Thus, the measurement results represent UV emissions which are typical when operating a HFSS. Therefore, the biological effects on people exposed to UVR was investigated systematically to identify the existing hazard potential. Results: It should be noted that the permissible workplace exposure limits for UV emissions significantly exceeded after a few seconds. One critical value was strongly exceeded by a factor of 770. Conclusion: The prevention of emissions must first and foremost be carried out by structural measures. Furthermore, unambiguous protocols have to be defined and compliance must be monitored. For short-term activities in the hazard area, measures for the protection of eyes and skin must be taken.