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Read the in depth Review of NVIDIA GeForce RTX 4070 Graphics Card PC Components. Know detailed info about NVIDIA GeForce RTX 4070 Graphics Card configuration, design and performance quality along with pros & cons, Digit rating, verdict based on user opinions/feedback.

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Positioned near the side of her head, the eye provides an expansive field of vision, while a thick layer of protective blubber shields it from harm and maintains warmth.

hi,

     I save the waveform file of the oscilloscope as CSV file format.

     Now, I need to use this waveform file as the source of the low-pass filter .

     I searched and read the PSPICE help documents, and did not find any  methods. 

     How to realize it?

     Are there any reference documents or examples?

     Thanks!

Concurrent Layout Editing enables more than one designer to work in a hierarchy at the same time. Check out this blog to know more. (read more)

Creativity for Change: Urbanization and Photography Creativity for Change: Urbanization and Photography

Check here each week to keep up with the latest from John MacArthur's pulpit at Grace Community Church.

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These images are taken from a new book, Seeds: Time capsules of life, which explores how plant life has flourished in the past 360 million years

An army of tadpoles and a stretching lynx are just some of the incredible photos winning accolades at the annual competition

Shortlisted for the Close-up Photographer of the Year contest, these images zoom in on animals in all their glory

Marie Curie redefined the role of women in science by training a generation of “lab daughters” to have stellar careers, shows Dava Sobel's detailed and intimate new biography, The Elements of Marie Curie

The Impossible Man by Patchen Barss salutes Roger Penrose's groundbreaking work in physics and mathematics while challenging the idea that a genius should be exempt from ordinary obligations

Olivier Grunewald took this image of the Icelandic volcano's central crater filled with lava, forming a fiery lake of liquid rock

From a sea turtle and diver swimming in harmony in Malaysia to a red-eyed tree frog in its Costa Rican rainforest home, take a peek at some of the winning entries in one of the most prestigious photography competitions

Some 550 years ago, a Venetian monk named Fra Mauro set out to create a world map. Rather than myth and religion, it was based on solid evidence for the first time

See some of the top entries to this year's Mangrove Photography Awards, showing the beauty and fragility of these unique ecosystems

This claustrophobia-inducing image is taken from photographer Martin Broen's new book Light in the Underworld, a collection of shots from the Yucatán’s cenotes, or sinkholes

The Impossible Man by Patchen Barss salutes Roger Penrose's groundbreaking work in physics and mathematics while challenging the idea that a genius should be exempt from ordinary obligations

Shortlisted for the Close-up Photographer of the Year contest, these images zoom in on animals in all their glory

Title: U.S. Appeals Court Backs Ruling Against Graphic Images on Cigarette Packs
Category: Health News
Created: 8/24/2012 2:05:00 PM
Last Editorial Review: 8/27/2012 12:00:00 AM

BACKGROUND:The use of prone position (PP) has been widespread during the COVID-19 pandemic. Whereas it has demonstrated benefits, including improved oxygenation and lung aeration, the factors influencing the response in terms of gas exchange to PP remain unclear. In particular, the association between baseline quantitative computed tomography (CT) scan results and gas exchange response to PP in invasively ventilated subjects with COVID-19 ARDS is unknown. The present study aimed to compare baseline quantitative CT results between subjects responding to PP in terms of oxygenation or CO2 clearance and those who did not.METHODS:This was a single-center, retrospective observational study including critically ill, invasively ventilated subjects with COVID-19–related ARDS admitted to the ICUs of Niguarda Hospital between March 2020–November 2021. Blood gas samples were collected before and after PP. Subjects in whom the PaO2/FIO2 increase was ≥ 20 mm Hg after PP were defined as oxygen responders. CO2 responders were defined when the ventilatory ratio (VR) decreased during PP. Automated quantitative CT analyses were performed to obtain tissue mass and density of the lungs.RESULTS:One hundred twenty-five subjects were enrolled, of which 116 (93%) were O2 responders and 51 (41%) CO2 responders. No difference in quantitative CT characteristics and oxygen were observed between responders and non-responders (tissue mass 1,532 ± 396 g vs 1,654 ± 304 g, P = .28; density −544 ± 109 HU vs −562 ± 58 HU P = .42). Similar findings were observed when dividing the population according to CO2 response (tissue mass 1,551 ± 412 g vs 1,534 ± 377 g, P = .89; density −545 ± 123 HU vs −546 ± 94 HU, P = .99).CONCLUSIONS:Most subjects with COVID-19–related ARDS improved their oxygenation at the first pronation cycle. The study suggests that baseline quantitative CT scan data were not associated with the response to PP in oxygenation or CO2 in mechanically ventilated subjects with COVID-19–related ARDS.

Background

Computer-aided detection (CAD) systems hold promise for improving tuberculosis (TB) detection on digital chest radiographs. However, data on their performance in exclusively paediatric populations are scarce.

Exogenous substances, including drugs and chemicals, can transfer into human seminal fluid and influence male fertility and reproduction. In addition, substances relevant in the context of sports drug testing programs, can be transferred into the urine of a female athlete (after unprotected sexual intercourse) and trigger a so-called adverse analytical finding. Here, the question arises as to whether it is possible to distinguish analytically between intentional doping offenses and unintentional contamination of urine by seminal fluid. To this end, 480 seminal fluids from nonathletes were analyzed to identify concentration ranges and metabolite profiles of therapeutic drugs that are also classified as doping agents. Therefore, a screening procedure was developed using liquid chromatography connected to a triple quadrupole mass spectrometer, and suspect samples (i.e., samples indicating the presence of relevant compounds) were further subjected to liquid chromatography-high-resolution accurate mass (tandem) mass spectrometry. The screening method yielded 90 findings (including aromatase inhibitors, selective estrogen receptor modulators, diuretics, stimulants, glucocorticoids, beta-blockers, antidepressants, and the nonapproved proliferator-activated receptor delta agonist GW1516) in a total of 81 samples, with 91% of these suspected cases being verified by the confirmation method. In addition to the intact drug, phase-I and -II metabolites were also occasionally observed in the seminal fluid. This study demonstrated that various drugs including those categorized as doping agents partition into seminal fluid. Monitoring substances and metabolites may contribute to a better understanding of the distribution and metabolism of exogenous substances in seminal fluid that may be responsible for the impairment of male fertility.

BACKGROUND AND PURPOSE:

Preoperative assessment of meningioma consistency is beneficial for optimizing surgical strategy and prognosis of patients. We aim to develop a noninvasive prediction model for meningioma consistency utilizing MR elastography and DTI.

BackgroundLong-term health conditions are major challenges for care systems. Social prescribing link workers have been introduced via primary care networks (PCNs) across England since 2019 to address the wider determinants of health by connecting individuals to activities, groups, or services within their local community.AimTo assess whether the rollout of social prescribing link workers was in areas with the highest need.Design and settingA retrospective study of social prescribing link workers in England from 2019 to 2023.MethodWorkforce, population, survey, and area-level data at the PCN-level from April 2020 to October 2023 were combined. Population need before the rollout of link workers was measured using reported lack of support from local services in the 2019 General Practice Patient Survey. To assess if rollout reflected need, linear regression was used to relate provision of link workers (measured by full-time equivalent [FTE] per 10 000 patients) in each quarter to population need for support.ResultsPopulations in urban, more deprived areas and with higher proportions of people from minority ethnic groups had the highest reported lack of support. Geographically these were in the North West and London. Initially, there was no association between need and provision; then from July 2022, this became negative and significant. By October 2023, a 10-percentage point higher need for support was associated with a 0.035 (95% confidence interval = −0.634 to −0.066) lower FTE per 10 000 patients.ConclusionRollout of link workers has not been sufficiently targeted at areas with the highest need. Future deployments should be targeted at those areas.

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See the world's best space images from the Astronomy Photographer of the Year 2024 award

$329/£300 graphics card is said to be "future ready" for your 1080p gaming needs.

From Juliette Binoche’s ‘A Thousand Times Good Night’ to Clint Eastwood’s ‘The Bridges of Madison County,’ here are some films that used photography as a lens to reveal the inner landscapes of the protagonist

A prolific figure in Tamil cinema, the versatile actor appeared in over 400 films across Tamil, Telugu, and Malayalam languages

A Barcelona-based startup called Inbrain Neuroelectronics has produced a novel brain implant made of graphene and is gearing up for its first in-human test this summer.

The technology is a type of brain-computer interface. BCIs have garnered interest because they record signals from the brain and transmit them to a computer for analysis. They have been used for medical diagnostics, as communication devices for people who can’t speak, and to control external equipment, including robotic limbs. But Inbrain intends to transform its BCI technology into a therapeutic tool for patients with neurological issues such as Parkinson’s disease.

Because Inbrain’s chip is made of graphene, the neural interface has some interesting properties, including the ability to be used to both record from and stimulate the brain. That bidirectionality comes from addressing a key problem with the metallic chips typically used in BCI technology: Faradaic reactions. Faradaic reactions are a particular type of electrochemical processes that occurs between a metal electrode and an electrolyte solution. As it so happens, neural tissue is largely composed of aqueous electrolytes. Over time, these Faradaic reactions reduce the effectiveness of the metallic chips.

That’s why Inbrain replaced the metals typically used in such chips with graphene, a material with great electrical conductivity. “Metals have Faraday reactions that actually make all the electrons interact with each other, degrading their effectiveness...for transmitting signals back to the brain,” said Carolina Aguilar, CEO and cofounder of Inbrain.

Because graphene is essentially carbon and not a metal, Aguilar says the chip can inject 200 times as much charge without creating a Faradic reaction. As a result, the material is stable over the millions of pulses of stimulation required of a therapeutic tool. While Inbrain is not yet testing the chip for brain stimulation, the company expects to reach that goal in due time.

The graphene-based chip is produced on a wafer using traditional semiconductor technology, according to Aguilar. At clean-room facilities, Inbrain fabricates a 10-micrometer-thick chip. The chip consists of what Aguilar terms “graphene dots” (not to be confused with graphene quantum dots) that range in size from 25 to 300 micrometers. “This micrometer scale allows us to get that unique resolution on the decoding of the signals from the brain, and also provides us with the micrometric stimulation or modulation of the brain,” added Aguilar.

Testing the Graphene-Based BCI

The first test of the platform in a human patient will soon be performed at the University of Manchester, in England, where it will serve as an interface during the resection of a brain tumor. When resecting a tumor, surgeons must ensure that they don’t damage areas like the brain’s language centers so the patient isn’t impaired after the surgery. “The chip is positioned during the tumor resection so that it can read, at a very high resolution, the signals that tell the surgeon where there is a tumor and where there is not a tumor,” says Aguilar. That should enable the surgeons to extract the tumor with micrometric precision while preserving functional areas like speech and cognition.

Aguilar added, “We have taken this approach for our first human test because it is a very reliable and quick path to prove the safety of graphene, but also demonstrate the potential of what it can do in comparison to metal technology that is used today.”

Aguilar stresses that the Inbrain team has already tested the graphene-based chip’s biocompatibility. “We have been working for the last three years in biocompatibility through various safety studies in large animals,” said Aguilar. “So now we can have these green lights to prove an additional level of safety with humans.”

While this test of the chip at Manchester is aimed at aiding in brain tumor surgery, the same technology could eventually be used to help Parkinson’s patients. Toward this aim, Inbrain’s system was granted Breakthrough Device Designation last September from the U.S. Food & Drug Administration as an adjunctive therapy for treating Parkinson’s disease. “For Parkinson’s treatment, we have been working on different preclinical studies that have shown reasonable proof of superiority versus current commercial technology in the [reduction] of Parkinson’s disease symptoms,” said Aguilar.

For treating Parkinson’s, Inbrain’s chip connects with the nigrostriatal pathway in the brain that is critical for movements. The chip will first decode the intention message from the brain that triggers a step or the lifting of the arm—something that a typical BCI can do. But Inbrain’s chip, with its micrometric precision, can also decode pathological biomarkers related to Parkinson’s symptoms, such as tremors, rigidity, and freezing of the gait.

By determining these biomarkers with great precision, Inbrain’s technology can determine how well a patient’s current drug regimen is working. In this first iteration of the Inbrain chip, it doesn’t treat the symptoms of Parkinson’s directly, but instead makes it possible to better target and reduce the amount of drugs that are used in treatment.

“Parkinson’s patients take huge amounts of drugs that have to be changed over time just to keep up with the growing resistance patients develop to the power of the drug,” said Aguilar. “We can reduce it at least 50 percent and hopefully in the future more as our devices become precise.”

 This paper presents the essential information that you need to get started with ODS Graphics in SAS 9.4.

I have had a long-standing interest in South Africa, and in 1995 briefly contemplated moving there to work. The country had just had its first multi-racial election, and the great Nelson Mandela had been elected President. I was deeply curious to see, at first-hand, what the land and its people would make of their hard [...]

In one of the first books I read, the writer had posed the question: ‘Who was the greatest all-rounder in the history of cricket?’, before providing this answer: ‘He was a left-arm bowler and a right-hand batsman, who was born in the village of Kirkheaton’. I now forget the title of the book, but remember [...]