Results 61 to 70 of about 181,181 (303)

Estimation model for kinematic calibration of manipulators with a parallel structure [PDF]

open access: yes, 1994
This article provides an estimation model for calibrating the kinematics of manipulators with a parallel geometrical structure. Parameter estimation for serial link manipulators is well developed, but fail for most structures with parallel actuators ...
Kugiumtzis, Dimitris   +1 more
core   +1 more source

Aggressive prostate cancer is associated with pericyte dysfunction

open access: yesMolecular Oncology, EarlyView.
Tumor‐produced TGF‐β drives pericyte dysfunction in prostate cancer. This dysfunction is characterized by downregulation of some canonical pericyte markers (i.e., DES, CSPG4, and ACTA2) while maintaining the expression of others (i.e., PDGFRB, NOTCH3, and RGS5).
Anabel Martinez‐Romero   +11 more
wiley   +1 more source

Theoretical Analysis and Experiment of the Five DOF Hybrid Robot P(RPR/RP)RR

open access: yesIEEE Access
To meet the demands of machining new energy vehicles aluminum alloy structures, this paper introduced a five degree-of-freedom (DOF) hybrid robot, P(RPR/RP)RR, and conducted a systematic investigation into its kinematics, stiffness, and preliminary ...
Xuejian Ma   +4 more
doaj   +1 more source

Trajectory planning of a novel lower limb rehabilitation robot for stroke patient passive training

open access: yesAdvances in Mechanical Engineering, 2017
A new applicable sitting/lying lower limb rehabilitation robot is proposed to help stroke patients. It can realize the sitting/lying training postures to fit people in all the rehabilitation stages.
Yongfei Feng   +5 more
doaj   +1 more source

Free singularity path planning of hybrid parallel robot [PDF]

open access: yes, 2013
This paper presents a singularity-free path planning approach for a hybrid parallel robot. The hybrid robot is composed of two well-known parallel robots, a hexapod and a tripod, that are serially connected.
Ding, Chengjian   +3 more
core   +1 more source

Embodied Evolution in Collective Robotics: A Review [PDF]

open access: yes, 2018
This paper provides an overview of evolutionary robotics techniques applied to on-line distributed evolution for robot collectives -- namely, embodied evolution.
Alba   +132 more
core   +6 more sources

TRAIL‐PEG‐Apt‐PLGA nanosystem as an aptamer‐targeted drug delivery system potential for triple‐negative breast cancer therapy using in vivo mouse model

open access: yesMolecular Oncology, EarlyView.
Aptamers are used both therapeutically and as targeting agents in cancer treatment. We developed an aptamer‐targeted PLGA–TRAIL nanosystem that exhibited superior therapeutic efficacy in NOD/SCID breast cancer models. This nanosystem represents a novel biotechnological drug candidate for suppressing resistance development in breast cancer.
Gulen Melike Demirbolat   +8 more
wiley   +1 more source

Configuration Design and Size Optimization of a High-Precision Novel Parallel Pointing Mechanism Based on Interference Separation

open access: yesChinese Journal of Mechanical Engineering
Pointing mechanism is widely used in aerospace field, and its pointing accuracy and stability have high requirements. The pointing mechanism will be affected by external interference when it works.
Sen Wang   +5 more
doaj   +1 more source

Active vision-based localization for robots in a home-tour scenario [PDF]

open access: yes, 2007
Self-Localization is a crucial task for mobile robots. It is not only a requirement for auto navigation but also provides contextual information to support human robot interaction (HRI).
Hanheide, Marc   +3 more
core   +3 more sources

Interrogating the immune landscape of microsatellite stable RAS‐mutated colon cancer

open access: yesMolecular Oncology, EarlyView.
COLOSSUS project RAS‐mutated MSS colon cancer study explored transcriptomics and immune cell density by immunohistochemistry (IHC), Immunoscore (IS), ISIC/TuLIS scores, mutation counts, and detected different prevalences but similar microenvironment composition across immune markers with clinical relevance for future immunotherapy combination ...
Rodrigo Dienstmann   +61 more
wiley   +1 more source

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