Results 161 to 170 of about 357,614 (293)

Sperm enrichment from poor semen samples by double density gradient centrifugation in combination with swim-up for IVF cycles. [PDF]

Sci Rep, 2020
Dai X, Wang Y, Cao F, Yu C, Gao T, Xia X, Wu J, Chen L.   +7 more
europepmc   +1 more source

Multilevel Optical Programming of Intrinsic Vacancies in Solution‐Processed MoS2 Films for Retinomorphic Color Differentiation

Advanced Optical Materials, EarlyView.
Solution‐processed MoS2 films with intrinsic sulfur‐vacancy traps are used to integrate light sensing and memory in a simple two‐terminal pixel. Successive optical pulses program persistent, multilevel conductance states, while oxygen exposure enables rapid erasure.
Jihyun Kim, Jiyong Yoon, Gwang Ya Kim, Kijeong Nam, Jaewon Heo, In Soo Kim, Dongjoon Rhee, Donghee Son, Joohoon Kang   +8 more
wiley   +1 more source

On–Off Switchable Micromotors for Use in Steerable Microvehicles

Advanced Robotics Research, EarlyView.
Electrically controllable micromotors and microvehicles are developed by tuning the diffusion of the fuel. Self‐propelled micromotors using bubble propulsion show great promise for miniaturized devices with multiuse purposes such as cargo delivery and sensing. However, there is currently no method to electrically switch the micromotors on or off. Here,
Hugo Severinsson, Eswaran Murugasen, Jose G. Martinez, Edwin W. H. Jager   +3 more
wiley   +1 more source

Effect of Adding Human Umbilical Cord Mesenchymal Stem Cells-Derived Secretome on Sperm Quality Improvement by Swim-Up Method. [PDF]

Obstet Gynecol Int
Halim B, Sartika CR, Sibuea LAE, Widjaja CA, Novia D, Haifa R, Kalasuba K.   +6 more
europepmc   +1 more source

Density gradient centrifugation and swim-up for ICSI: useful, unsafe, or just unsuitable? [PDF]

J Assist Reprod Genet, 2019
De Martin H, Miranda EP, Cocuzza MS, Monteleone PAA.   +3 more
europepmc   +1 more source

Multiobjective Codesign Optimization of a Planar Pneumatic Artificial Muscle‐Based Snake‐Like Robot for Enhanced Agility and Energy Efficiency

Advanced Robotics Research, EarlyView.
A codesign multiobjective optimization framework was developed to enhance the morphology and controller of a snake‐like robot driven by artificial muscles. It improved planar locomotion, agility, and power efficiency. The approach optimized link geometry and controller gains, revealing that shorter muscles near joints and longer linkages maximize ...
Ayla Valles, Mahdi Haghshenas‐Jaryani
wiley   +1 more source

Beaver Swims Up Waterfall

Blue Jay, 1985
openaire   +2 more sources

Information Transmission Strategies for Self‐Organized Robotic Aggregation

Advanced Robotics Research, EarlyView.
In this review, we discuss how information transmission influences the neighbor‐based self‐organized aggregation of swarm robots. We focus specifically on local interactions regarding information transfer and categorize previous studies based on the functions of the information exchanged.
Shu Leng, Zihan Li, Yifeng Shao, Jinhao Liu, Li Yu, Shuguang Li   +5 more
wiley   +1 more source

Comparison of Swim-Up and Microfluidic Sperm Sorting Methods in Selection of Sperm for Intracytoplasmic Sperm Injection. [PDF]

Int J Mol Sci
Ješeta M, Doubravská A, Antalíková J, Mekiňová L, Franzová K, Remundová K, Hošek J, Kempisty B, Hudeček R.   +8 more
europepmc   +1 more source