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1. Bionic artificial skin with a fully implantable wireless tactile sensory system for wound healing and restoring skin tactile function

Author

Kang, Kyowon, Ye, Seongryeol, Jeong, Chanho, Jeong, Jinmo, Ye, Yeong-sinn, Jeong, Jin-Young, Kim, Yu-Jin, Lim, Selin, Kim, Tae Hee, Kim, Kyung Yeun, Kim, Jong Uk, Kim, Gwan In, Chun, Do Hoon, Kim, Kiho, Park, Jaejin, Hong, Jung-Hoon, Park, Byeonghak, Kim, Kyubeen, Jung, Sujin, Baek, Kyeongrim, Cho, Dongjun, Yoo, Jin, Lee, Kangwon, Cheng, Huanyu, Min, Byung-Wook, Kim, Hyun Jae, Jeon, Hojeong, Yi, Hyunjung, Kim, Tae-il, Yu, Ki Jun, and Jung, Youngmee

Published
2024
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7. Ultrathin crystalline-silicon-based strain gauges with deep learning algorithms for silent speech interfaces

Author

Kim, Taemin, Shin, Yejee, Kang, Kyowon, Kim, Kiho, Kim, Gwanho, Byeon, Yunsu, Kim, Hwayeon, Gao, Yuyan, Lee, Jeong Ryong, Son, Geonhui, Kim, Taeseong, Jun, Yohan, Kim, Jihyun, Lee, Jinyoung, Um, Seyun, Kwon, Yoohwan, Son, Byung Gwan, Cho, Myeongki, Sang, Mingyu, Shin, Jongwoon, Kim, Kyubeen, Suh, Jungmin, Choi, Heekyeong, Hong, Seokjun, Cheng, Huanyu, Kang, Hong-Goo, Hwang, Dosik, and Yu, Ki Jun

Published
2022
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11. The Anthropogenic Nitrogen Footprint of a Tropical Lagoon: Spatial Variability in Padina sp. [delta][sup.15]N Values

Author

Geeraert, Naomi, Duprey, Nicolas N., McIlroy, Shelby E., Thompson, Philip D., Goldstein, Benjamin R., LaRoche, Carly, Kim, Kiho, Raymundo, Laurie J., and Baker, David M.

Subjects
Ecological footprint -- Analysis -- Environmental aspects -- Protection and preservation, Lagoons -- Protection and preservation -- Environmental aspects -- Analysis, Coastal ecosystems -- Environmental aspects -- Protection and preservation -- Analysis, Human beings -- Influence on nature, Environmental remediation -- Analysis -- Protection and preservation -- Environmental aspects, Nitrogen -- Distribution -- Environmental aspects -- Control, Company distribution practices, Earth sciences, Science and technology
Abstract

Large quantities of anthropogenic nitrogen (N) in the marine environment are detrimental for coastal ecosystems and understanding the magnitude and distribution of this N opens paths to remediation. One area of concern is Cocos Lagoon, in the south of Guam, Northern Mariana Islands, which hosts a diversity of corals including Acropora species listed in the Endangered Species Act. Degradation of Guam's coral reefs may be influenced by untreated sewage effluent. To gain insight into the spatial extent of human N pollution, we deployed 50 macroalgal thalli (Padina sp.) as bio-indicators in a grid pattern over the entire lagoon for one week and then measured the stable N isotopes of bio-available N ([delta][sup.15]N). We observed relatively low [delta][sup.15]N values (~1-2[per thousand]) in the shallow areas in the east suggesting coastal currents bringing in fixed N from the open ocean or local [N.sub.2] fixation. The comparatively high [delta][sup.15]N values (~6 [per thousand]) in the deeper channel of the lagoon suggest sewage as a major source of N. The distribution of [delta][sup.15]N values was not determined by the distance to N sources, such as river outlets or the tourist resort on Cocos Island but by the bathymetry, which affects the residence time and influx of oceanic water. Keywords: N stable isotopes, algal bioassays, tropical lagoon, Padina sp., The increasing impact of human activities on the nitrogen (N) cycle is manifested at various temporal (long vs. short term) and spatial (global vs. local) scales. Fossil fuel combustion, the [...]

Published
2020
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12. Corrigendum to “Monolayer, open-mesh, pristine PEDOT:PSS-based conformal brain implants for fully MRI-compatible neural interfaces” [Biosens. Bioelectron. 260 (2024) 116446]

Author

Hong, Jung-Hoon, Lee, Ju Young, Dutta, Ankan, Yoon, Sol Lip, Cho, Young Uk, Kim, Kyubeen, Kang, Kyowon, Kim, Hyun Woo, Kim, Dae-Hee, Park, Jaejin, Cho, Myeongki, Kim, Kiho, An, Jong Bin, Lee, Hye-Lan, Hwang, Dosik, Kim, Hyun Jae, Ha, Yoon, Lee, Hye Yeong, Cheng, Huanyu, and Yu, Ki Jun

Published
2024
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14. Biomimic and bioinspired soft neuromorphic tactile sensory system.

Author

Kang, Kyowon, Kim, Kiho, Baek, Junhyeong, Lee, Doohyun J., and Yu, Ki Jun

Subjects
*ARTIFICIAL skin, *SOMATOSENSORY cortex, *TACTILE sensors, *FLEXIBLE electronics, *BIOMIMETIC materials, *ARTIFICIAL intelligence, *BIOLOGICALLY inspired computing, *SENSE organs, *SYSTEMS design
Abstract

The progress in flexible and neuromorphic electronics technologies has facilitated the development of artificial perception systems. By closely emulating biological functions, these systems are at the forefront of revolutionizing intelligent robotics and refining the dynamics of human–machine interactions. Among these, tactile sensory neuromorphic technologies stand out for their ability to replicate the intricate architecture and processing mechanisms of the brain. This replication not only facilitates remarkable computational efficiency but also equips devices with efficient real-time data-processing capability, which is a cornerstone in artificial intelligence evolution and human–machine interface enhancement. Herein, we highlight recent advancements in neuromorphic systems designed to mimic the functionalities of the human tactile sensory system, a critical component of somatosensory functions. After discussing the tactile sensors which biomimic the mechanoreceptors, insights are provided to integrate artificial synapses and neural networks for advanced information recognition emphasizing the efficiency and sophistication of integrated system. It showcases the evolution of tactile recognition biomimicry, extending beyond replicating the physical properties of human skin to biomimicking tactile sensations and efferent/afferent nerve functions. These developments demonstrate significant potential for creating sensitive, adaptive, plastic, and memory-capable devices for human-centric applications. Moreover, this review addresses the impact of skin-related diseases on tactile perception and the research toward developing artificial skin to mimic sensory and motor functions, aiming to restore tactile reception for perceptual challenged individuals. It concludes with an overview of state-of-the-art biomimetic artificial tactile systems based on the manufacturing–structure–property–performance relationships, from devices mimicking mechanoreceptor functions to integrated systems, underscoring the promising future of artificial tactile sensing and neuromorphic device innovation. [ABSTRACT FROM AUTHOR]

Published
2024
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16. Aspects of urinary tract infections and antimicrobial resistance in hospitalized urology patients in Asia: 10-Year results of the Global Prevalence Study of Infections in Urology (GPIU)

Author

Nikfallah, Abolghasem, Kassem, Adham Mohamad, Aljubory, Ahmed Khalil, Salman, Ahmed, Kutmanova, Ainura Zarylbekovna, Usupbaev, Akylbek Ch, Daud Natsheh, Ala Eddin, Andreychikov, Alexander Vladimirovich, Plekhanov, Alexei Yurievich, Vinokurov, Alexey Dmitrievich, Dolgiy, Alexey Alexeevitch, Taghizade Afshari, Ali, Naghoni, Ali, Dash, Amitabh, Zaitcev, Andrey Vladimirovych, Tsukanov, Anton, Dashko, Anton, Maliavin, Anton I., Ghafouri, Ardala Abdolghafouri, Ali, Arif Maqsood, Grabsky, Arthur, Rashed, Aso Omer, Bahadzor, Badrulhisham, Purnomo, Basuki B., Gadamov, Begench Gurbangeldiyevich, Azari, Behrooz Rahnavardi, Shim, Bongsuk, Berejanski, Boris Vitalyevitch, Blas, Brian Penero, Han, Chang Hee, Lee, Chang-Ho, Xu, Chao Guan, Ooi, Chong Chien, The, Chu Leong, Kim, Chul Sung, Le, Chuyen Vu, Landau, Daniel, Rauniyar, Deepak Babu, Khazaeli, Dinyar, Soebadi, Doddy M., Lim, Donghoon, Chiong, Edmund, Alexander, Egote Kofi, Kulchavenya, Ekaterina V., Draghijeva, Elisaveta Asenova, Mohamed Elsobky, Emad Rashad, Khalid, Emad Eldin, Rashed, Fahimeh Kazemi, Wu, Fiona Mei Wen, Barakaev, Firuz, Shahbazyan, Garnik, Nakad, Haitham Saeed, Tajari, Hamid Reza, Dahmash, Hani R., Pliev, Hasan S., Saloum, Hassan Mikhael, Kumon, Hiromi, Kiyota, Hiroshi, Hayami, Hiroshi, Inatomi, Hisato, Jeon, Ho Jong, Kim, Hong Bin, Lee, Hyun-Rim, Choe, Hyun-Sop, Mah, Ida Soo-fan, Aboyan, Igor Artemovich, Cho, InRae, Essilevski, Iouri M., Khosropanah, Iradj, Abdullin, Iskander Ilfakovich, Hassan, Ismail M., Palagin, Ivan S., Kaneti, Jacob, Jeong, Jae Young, Alidjanov, Jakhongir Fatikhovich, Choi, Jin-Bong, Kim, Jong Il, Prodigalidad, Jose-Vicente Tablante, Sebastian, Joseph Philipraj, Makarycheva, Julia, Kim, Jun-Mo, Oleg, Kagan Felixovich, Cho, Kang-Jun, Karthi Keyan, Tanaka, Kazushi, Lu, Kevin, Tran Ngoc, Khac Linh, Kim, Kiho, Takahashi, Koichi, Dunets, Konstantin Antonovich, Zhu, Lan Ru, Vu, Le Nguyen, Arustamov, Levon Dm, Sinyakova, Liubov Alexandrovna, Barashova, Lyidmila Pavlovna, Ather, M. Hammad, Yong, Ma, Waze, Madhav Harihar, Zabaneh, Maher Fawzi, Baghinia, Mahmood Reza, Panigrahi, Manoj Kumar, Tayzon, Maria Fe Raymundo, Serhal, Maroun, Moktash, Mayad Nouma, Mohammad Elsayed, Medhat Ahmad, Tahami, Mehrdad, Dan, Michael, Leh, Michael Yu, Frank, Michail, Baxi, Mihir V., Kogan, Mikhail Josefovich, Wong, Ming Kui, Habous, Mohamad Alsayed, Aslmonadi, Mohamadali, Helal, Mohamed Hani Abdulwahab, Salehi, Mohammad, Moslemi, Mohammad Kazem, Moein, Mohammad Reza, Aldahiri, Mohammad Khalil Ibrahim, Tanimura, Msasanobu, Valentinovich, Mstislav Morozov, Rafique, Muhammad, Ahmad, Mumtaz, Satyavani, Muppidi, Veeramani, Muthu Veeramani, Tabash, Nahed Ahmad Al, Alsaigh, Naimet Kamal, Altarwneh, Nayel Abdullah, Taneja, Neelam, Cayco, Nelson A., Xuong, Nguyen Dinh, Viet, Nguyen Phu, Tran, Nguyen Van, Vorobyov, Nikolay Andreevich, Junejo, Noor Nabi, Sadeghifard, Nourkhoda, Kytaibekovich, Nurbek, Zuban, Oleg Nickolay, Sunga, Paul Anthony Lugue, Tamara, Perepanova Sergeevna, Aminovich, Polvonov Abror, Gyawali, Prem Raj, Dao, Quang Oanh, Mohammed, Radman Abdullah, Taghavi, Rahim Razavi, Kapoor, Rajni, Hakimzadeh, Ramin, Singh, Rachhpal S., Raz, Raul, Gopakumarapillai, Ravisankar, Bharadwaj, Renu, aghelnezhad, Reza, Khammatov, Rinat, Salh, Riyadh Al, Gamazkov, Roman Vladislavovich, Santillan, Rosanna Tubo, Hamasuna, Ryoichi, Arasteh, Saeid, Makhsudov, Saidamin Anvarovich, Chan, Sammy KK., Lee, Sang Don, Pandey, Sanjay, Ishihara, Satoshi, Takahashi, Satoshi, Kotov, Sergey Vladislavovich, Baik, Seung, Park, Seung Chol, Lee, Seung-Ju, Eredjepov, Seydali, Habibollah, Seyed, Bhange, Shashikant R., kosugi, Shigeru, Park, Shin Jae, Lu, Shing-Hwa, Falahatkar, Siavash, Ghafouryan, Sobhan, Vladimirovna, Starodoubtsevan Nadia, Nazareth, Stephen, Chaimuangraj, Suchart, Lokwani, Sudhir Kumar, Raza, Syed Johar, Taghavi, Tahim Razavi, Qazi, Tahir Uddin, Sho, Takehiko, Perepanova, Tamara Sergeevna, Sergeeuna, Tamara Perepanova, Khan, Taskeen Ahmad, Moiseenko, Tatyana Nikolaevna, Gul, Tawiz, Lin, Teng Lung, Gaviola, Teresita Tanaglin, Kim, T.H., Wijesuriya, Thamara, Ganesan, Thirumalai, Ueda, Tomohiro, Ha, U. Sin, Allahpour, Vafa Abd, Aboyan, Vitaly Eduardovich, Startsev, Vladimir, Hasan, Waleed Ali, Falou, Walid, Mirsya, Warli Syah, Qasim, Wasim, Nakamura, Wataru, Wang, Wei, Cho, WonYeol, Huang, Xiaoming, Cao, Yanwei, Farahat, Yasser Abd Elraouf, Na, Yong Gil, Cho, Yong-Hyun, Siegel, Yoram Itchak, Moussa, Youssef, Xiangbo, Zhang, Çek, Mete, Tandoğdu, Zafer, Wagenlehner, Florian, Bjerklund-Johansen, Truls Erik, and Naber, Kurt

Published
2018
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23. Tailoring the SnO2 Ink for Roll‐to‐Roll Manufacturing of Flexible Perovskite Solar Cells.

Author

Lee, Seung Yeon, Park, Geon Yeong, Kim, Na‐Yeon, Kang, Minji, Kim, Kiho, Cho, Seong‐Keun, Choi, Woojin, Myung, Jin Suk, and Ham, Dong Seok

Subjects
SOLAR cells, PEROVSKITE, STANNIC oxide, SPIN coating, WETTING, CHARGE exchange, SURFACE coatings
Abstract

Roll‐to‐roll (R2R) fabrication of high‐performance perovskite solar cells (PSCs) remains challenging for PSC commercialization. Herein, the R2R‐suitable electron transfer layer (ETL) SnO2 ink system for flexible PSCs is investigated. Water‐dispersed SnO2 inks, commonly used for flexible PSCs, form dewetting pinholes during R2R slot‐die coating owing to slower evaporation compared to spin coating. To prevent the dewetting of the pinhole, a low surface tension solvent (isopropyl alcohol, IPA) is added to the SnO2 ink. The IPA addition reduced surface tension, enhancing wetting behavior, but increased SnO2 nanoparticles (NPs) aggregation. Interestingly, the fabricated ETL films with highly aggregated SnO2 NPs are smooth, in contrast to the rough layers obtained via the spin‐coating process, owing to the high shear rate. Herein, NP aggregation and surface morphology are explored using Brownian dynamics simulations under shear conditions. Consequently, when the particles are agglomerated, the PSCs with slot‐die coating exhibit higher power conversion efficiency compared to ETL spin‐coated PSCs. Therefore, IPA addition to SnO2 ink is preferred for the R2R slot‐die process by improving the wetting properties and forming smooth films. In this study, a framework is provided for obtaining high‐quality films using the slot‐die coating of ETL and promotes the commercialization of PSCs. [ABSTRACT FROM AUTHOR]

Published
2024
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24. MUSEUM COLLECTIONS YIELD INFORMATION ON NITROGEN SOURCES FOR COASTAL GULF OF MEXICO, NORTH CAROLINA, AND CARIBBEAN SEA INVERTEBRATES, 1850 TO 2004

Author

Kwon, Min Jung, Tudge, Chris, Kim, Kiho, Baker, David, and Macavoy, Stephen E.

Subjects
Barnacles -- Research, Shrimps (Animals) -- Research, Fishery research, Nitrification -- Research, Biological sciences, Zoology and wildlife conservation
Abstract

A consequence of land-use change and increasing human population in the United States and Central America has been an increase in nitrogen availability to coastal systems. Whereas many studies evaluate the influence of anthropogenically derived nutrients in modern oceans, fewer studies evaluate nutrient sources in coastal environments before the 1960s. This study used stable C and N isotope values of 35 big-claw snapping shrimps (Alpheus heterochaelis) and 48 ivory barnacles (Balanus eburneus) across the Gulf of Mexico, southeast coast of the United States, and the Caribbean over 121 y to examine whether human-derived nitrogen was used by coastal invertebrates. Gulf of Mexico and southeast U.S. collections were divided into preand post-1960 groups for analysis, roughly coinciding with the increase in fertilizer use associated with the 'Green Revolution' and large coastal population increases. For B. eburneus. [delta][.sup.15]N decreased in the coastal United States after 1960, but that was not the case for A. heterochaelis. [.sup.15]N-depleted fertilizer would be quickly incorporated by filter-feeding B. eburneus (via plankton). By contrast, the scavenging, omnivorous, A. heterochaelis would obtain more N from heterotrophic organic matter more isolated from the [.sup.15]N-depleted fertilizer signal. The Caribbean A. heterochaelis incorporated seagrass C and N. Local variation in N sources from the different collection areas was clearly observed. Although anthropogenic N has been making its way into the filter-feeding barnacles, it is not as apparent in the scavengers.KEY WORDS: stable isotopes, nitrogen, coastal nutrients, museum collections, INTRODUCTIONNutrient over-enrichment as a result of anthropogenic activity concentrated along the land-sea margin is a major stressor of aquatic, estuarine, and marine ecosystems and is increasing eutrophication of near-shore waters [...]

Published
2018
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