Help Sign in. No account? Join OpenML Forgot password. Collaborative, reproducible benchmarking and analysis Created by Jan van Rijn Visibility: public. Description 0 Data sets 0 Tasks 0 Flows 0 Runs. Search these data sets in more detail Filter results by: Search. You can use This database contains all legal 8-ply positions in the game of connect-4 in which neither player has won yet, and in which the next move is not forced.
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The development of quartz crystal microbalance QCM starts from the phase at the beginning of the sixties in last century, it is a kind of very sensitive quality Detecting instrument, for measurement accuracy up to nanogram level, specific sensitivity is times high in the micro- balance of electronics of Gamma Magnitude, theoretically can be with The mass change measured is equivalent to the part of monolayer or atomic layer.
Quartz crystal microbalance utilizes Quartz crystal resonant The piezoelectric property of device converts the variation of quartz crystal oscillator electrode surface quality to the frequency of quartz crystal oscillator circuit output electric signal Variation, and then high-precision data are obtained by computer and other ancillary equipments.
But QCM is in test VOC volatile organic gas Body in the case of gaseous environment and heavy metal ion liquid phase environment, needs to monitor multiple groups signal simultaneously and compare. In addition QCM Temperature and humidity influence is also suffered from, external condition requires synchronism detection, so the system of the frequency of current single QCM is Through that cannot meet the requirements.
Aiming at the defects existing in the prior art, the technical problem to be solved in the present invention is to provide one kind to be based on The 8 channel QCM test macros of STM32 cannot provide comparison to overcome in the prior art since test object only has QCM itself Group, can not the external temperature and humidity of synchronism detection defect. Present invention technical solution used for the above purpose is: a kind of 8 channel QCM test system based on STM32 System, comprising:.
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The invention relates to the field of detection of biological or chemical species. More particularly, the invention relates to a multiple and sequential detection system for biological or chemical species using the quartz scale technique and a method for detecting biological or chemical species using said detection system. The development of integrated structures ‘lab on chip’ is booming.
The manufacture of such devices is still in the development stage and their manufacturing cost represents a brake. The “lab on chip” uses several different technologies related to different parts of the device sensor, fluid guide, associated electronics. This complexity makes the development of such a technology time consuming and expensive. As a result, the current sensors are generally unitary and the multi-detection, which it uses optical, acoustic or electrochemical methods, is performed by electronic multiplexing.
An example of multiplexing concerning QCM quartz microbalances the Oriel Q-Sense E4 Lot, which allows for four simultaneous measurements , in addition to its prohibitive price, allows a very limited number of measurements. Singleton in the Journal of Molecular Recognition, J. This system does not introduce the notion of multiple detection.
QCM Technology in Biosensors
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Although Escherichia coli E. In this paper a quartz crystal microbalance QCM biosensor was developed for the detection of E. The anti-E. The result of changing frequency due to the adsorption of E. The time of bacteria E. Besides, QCM biosensor from SAM method was comparable to protein A method-based piezoelectric immunosensor in terms of the amount of immobilized antibodies and detection sensitivity. This work deals with the design of a high sensitivity DNA sequence detector using a 50 MHz quartz crystal microbalance QCM electronic oscillator circuit.
The oscillator circuitry is based on Miller topology, which is able to work in damping media. Calibration and experimental study of frequency noise are carried out, finding that the designed sensor has a resolution of 7. Then the oscillator is proved as DNA biosensor. Results show that the system is able to detect the presence of complementary target DNAs in a solution with high selectivity and sensitivity.
QCM sensor array for monitoring terpene emissions from odoriferous plants
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Two opposing microtribometry approaches have been developed over the past decade to help connect the dots between fundamental and practical tribology measurements: spring-based e. Because the friction forces generated in these experiments are attributed to entirely different phenomena, it is unclear if or how the resulting friction forces are related.
The polymer coating on a Quartz Crystal Microbalance can be done using spin coating, dipping, spray coating airbrush and ultrasonic spray coating. Film thickness and surface morphology of the coating depend on the coating method. Using spray coating, one can control the film thickness and also the morphology by controlling the speed, polymer-solvent particle size, concentration and duration of the deposition process.
This paper presents a method for monitoring the deposition of polystyrene onto QCM sensor by using an ultrasonic atomizer system. The atomizer was working using an ultrasonic generator at 55KHz.
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The quartz-crystal microbalance is a sensitive and universal tool for measuring concentrations of various gases in the air. Biochemical functionalization of the QCM electrode allows a label-free detection of specific molecular interactions with high sensitivity and specificity. In addition, it enables a real-time determination of its kinetic rates and affinity constants.
This makes QCM a versatile bioanalytical screening tool for various applications, with surface modifications ranging from the detection of single molecular monolayers to whole cells. Various types of biomaterials, including peptides mapping the binding sites of olfactory receptors, can be deposited as a sensitive element on the surface of the electrodes. One of key ways to ensure the sensitivity and accuracy of the sensor is provided by application of an optimal and repeatable method of immobilization.
Therefore, effective sensors operation requires development of an optimal method of deposition. This paper reviews popular techniques drop-casting, spin-coating, dip-coating for coating peptides on piezoelectric crystals surface. The degree of deposition of the sensitive layer was monitoring by variations in the sensors frequency. The highest mass threshold for QCM measurements for peptides was approximately
CN107894270B – The 8 channel QCM test macros based on STM32 – Google Patents
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Experience to date suggests that successful return to work efforts frequently Differently Now that we’ve seen concretely the kind of speed a QCM case will.
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QCM(t) MEASUREMENT TOOLS AND DISPLAYING THE DATA. The “Date” field is automatically filled out with the date the project was created, but it If the Fast function is enabled in the software, the data are acquired at a higher rate.
Adherent cell functions respond differently to diverse biomaterial surfaces with different properties. I have researched how to clarify interfacial phenomena via protein adsorption and subsequent cell adhesion to hydroxyapatite nanocrystals using a quartz crystal microbalance with a dissipation technique. In this review, I focused on the current understanding of enhanced biocompatibility by exploring the roles of protein mediation at the interface.
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QCM sensor arrays were then exposed to the same calibration samples. a QCM electrode by spin coating at a speed of 2, rev/s for 4 min.
MIPI C-PHY provides high-throughput performance over bandwidth-limited channels to connect displays and cameras to an application processor. This standard defines the input, output, and termination specifications for differential signaling in the SLVS environment, nominally between 0 and mV. Attach one end of the drive interface cable to the Serial ATA interface connector on your computer’s motherboard or Serial ATA host adapter see your computer manual for connector locations.
The allowed configuration options let you set the string’s length and number of results you want to get.