Provided are a detection agent for detecting hydroxy vitamin D, preparation method thereof, and use thereof in 25-hydroxy vitamin D immunological detection. The detection agent comprises a conjugate formed by a 25-hydroxy vitamin D antigen derivative and protein carrier, and magnetic spheres coated by the conjugate. Also provided is a 25-hydroxy vitamin D detection kit comprising the detection agent.

A population of bright and stable nanocrystals is provided. The nanocrystals include a semiconductor core and a thick semiconductor shell and can exhibit high extinction coefficients, high quantum yields, and limited or no detectable blinking.

Oakland-based food-and-drinks company Purity Organic announced today that it is launching a limited new line of Sweet Leaf beverages that consumers can buy directly online.

"We can't wait to get Sweet Leaf back into the hands of our customers online," said Purity Organic vice president of marketing Bill Porter.…

East Bay resident Miles Woodruff, CEO of the pioneering vegan-seafood brand Sophie's Kitchen, has just donated 3,000 cases of plant-based Toona to the Food Bank of Contra Costa and Solano County as well as several other Bay Area food shelters.

Amidst the Covid-19 outbreak, the company's brand-new Lemon Grass Toona flavor has not yet arrived in grocery stores — but 100 percent of it is now being provided to people in need.…

People for the Ethical Treatment of Animals sent UC Berkeley chancellor Carol Christ a letter today requesting permission to place a banner on the university's famous clocktower that reads "It's High Time We Went Vegan. PETA."…

This month alone, Oakland-based, family-owned Mr. Espresso has already donated more than 2,500 pounds of coffee to Bay Area COVID-19 relief efforts.

The brick-and-mortar Fruitvale location of La Guerrera's Kitchen is now closed — permanently.

Mother-and-daughter owners Ofelia Barajas and Reyna Maldonado decided against negotiating a new lease for the restaurant when their previous one ended in March, as reported by the San Francisco Chronicle.

Instead, the pair will sell tamales online with pickups several days a week at the Ale Industries brewery.…

Celebrated chef-restaurateur Kyle Itani, who helms both Itani Ramen and Hopscotch Restaurant & Bar in Uptown Oakland, has just launched a brand-new project: a takeout sushi spot.

Operating out of Itani Ramen and serving its fare via pickup and delivery, Nikkei Sushi will be open Wednesday through Sunday, 2 p.m. - 8 p.m. during its soft opening with hours extending in the future.…

Together with a team of volunteers — including the Street Royalty Motorcycle Club — popular pitmaster Matt Horn prepared and served 600 pork and chicken sandwiches to feed the entire staff at Valley Children's Hospital in Fresno.

Rather than lament the delayed opening of his eagerly awaited Horn Barbecue brick-and-mortar restaurant in the heart of Oakland, last month the pitmaster created a philanthropic project, the Horn Initiative, which has since mid-March facilitated the making and serving of over 4,000 meals to frontline workers and others in need.…

Uptown Oakland's alaMar Kitchen & Bar will celebrate its sixth anniversary this Friday, May 1, with a contactless, social-distancing, Covid-19-crisis parade.

"In celebration of this milestone, we are asking all of our fans and supporters to parade in the safety of their cars," management announced in a press release today.…

The 2012 Progressive Opportunities Conference showcased the best work of nonprofits, companies, unions, activists, and government leaders, looking to shed light on some of our most pressing economic issues. The Conference sought to create an opportunity to network and exchange ideas, arming attendees with new tools to make positive economic change.…

Stories you shouldn’t miss:

1. Alameda County Public Health Director Muntu Davis contends that gentrification should be examined in terms of health impacts because of the displacement and stress it causes for low-income residents, the Bay Area News Group$ reports.…

If you happen to run into any medical residents anytime soon, they may look a little fatigued and broke, especially if they happen to be residents or pediatricians of UCSF Benioff Children’s Hospital of Oakland. Today, the CIR/SEIU Healthcare union that represents resident physicians and pediatricians said it plans to rally in front of the hospital on Friday at 12:15 p.m. along with nurses and community leaders to demand better wagers and working conditions.…

The city's 911 system can leave callers waiting for more than 120 seconds before an operator ever answers. Seconds of delay in an emergency can lead to death. As a result, 911 calls are supposed to be answered quickly.…

An electric circuit device connecting first and second external elements, the electric circuit device including: a first electronic component; a first bus bar electrically connected to the first electronic component; a second bus bar electrically connected to the electronic component and overlapped with the first bus bar in a direction perpendicular to main surfaces of the first and second bus bars; a first external terminal electrically connecting the first bus bar to the first external element; a second external terminal electrically connecting the second bus bar to the second external element; a first region in the first external terminal electrically coupled to the first external element; and a second region in the second external terminal electrically coupled to the second external element, and at least partially overlapped with the first region in the direction.

An apparatus is disclosed which includes an electrolytic capacitive element with multiple capacitor sections.

A conductive composite is provided, which includes a conductive conjugated polymer and a mixture. The mixture includes (a) boron oxide, and (b) sulfur-containing compound, nitrogen-containing compound, or a combination thereof. A capacitor is also provided, which includes an anode electrode, a dielectric layer on the anode electrode, a cathode electrode, and an electrolyte between the dielectric layer and the cathode electrode, wherein the electrolyte includes the described conductive composite.

A capacitor structure is provided, which includes a positive electrode, a dielectric layer on the positive electrode, and an organic-inorganic composite layer on the dielectric layer. The capacitor structure also includes a negative electrode, and a conductive conjugated polymer electrolyte disposed between the organic-inorganic composite layer and the negative electrode.

A rework grid array interposer with direct power is described. The interposer has a foundation layer mountable between a motherboard and a package. A heater is embedded in the foundation layer to provide local heat to reflow solder to enable at least one of attachment or detachment of the package. A connector is mounted on the foundation layer and coupled to the heater and to the package to provide a connection path directly with the power supply and not via the motherboard. One type of interposer interfaces with a package having a solderable extension. Another interposer has a plurality of heater zones embedded in the foundation layer.

A method and system for cooling a device (preferably a micro-device), comprising cooling the device by using a lower critical solution temperature (LCST) mixture. Enhancement of heat transfer rates is achieved during phase separation of a two-component system (two-component mixture) with a LCST. Convective heat transfer rates in small diameter pipes and over a vertical (hot) plate are demonstrated.

A wiring device includes a housing that encloses a line voltage port and a low-voltage port for providing power to at least one removable load. The removable load can couple to a connector PCB. The connector PCB may include a tongue portion with retention surface features and a body portion with supporting circuitry. The tongue portion may be disposed within a low-voltage port of the wiring device. A plurality of conductive traces may extend from the body to the tongue of the connector PCB. The low voltage port may include sidewalls disposed around the tongue portion to guide the plug of a removable load into engagement with the conductive traces of the tongue portion so that one or more of the plurality of conductive traces electrically contact the removable load to deliver power to the removable load.

A ground fault circuit interrupter (GFCI) breaker testing system can include an enclosure having at least one wall that forms a cavity. The system can also include at least one GFCI breaker disposed within the cavity. The system can further include a sensing circuit assembly having at least one switch, where the at least one switch is electrically coupled to the at least one GFCI breaker. The system can also include a user interface assembly disposed, at least in part, outside the cavity, where the user interface assembly is coupled to the sensing circuit assembly, where the user interface assembly instructs the at least one switch to test the at least one GFCI breaker.

A surge suppression device includes a micro electromechanical system (MEMS) switch electrically connected to a current path. Additionally, the surge suppression device includes a transient voltage suppression (TVS) device electrically connected in series to the MEMS switch. The surge suppression device is configured to protect electronic components from voltage surges or current surges.

A switching regulator control circuit is used in a switching regulator that converts an input voltage into an output voltage by the switching of a switching device, and generates a switching signal for controlling the ON/OFF operation of the switching device. The switching regulator control circuit has a fault detector and a fault protector. The fault detector detects, based on the duty ratio of the switching signal or a variable correlated to it and included in a control signal used to generate the switching signal, a fault state where the duty ratio falls outside the normal modulation range. The fault protector stops the switching of the switching device when the fault detector detects a fault state.

A flexible circuit board includes a first circuit substrate, a second circuit substrate and a bonding layer. The first circuit substrate includes a first base layer, a first circuit layer, a second circuit layer and metal coating layer. The first circuit layer includes a signal line and at least two grounding lines. The metal coating layer encloses the signal line. The second circuit substrate includes a third circuit layer. The bonding layer is located between and bonding the first circuit substrate and the second circuit substrate. The second circuit layer, the third circuit layer are electrically coupled with the grounding lines by a plurality of electrically conductive holes. The first base layer, the bonding layer and the second circuit substrate cooperatively enclose a hermetic medium layer receiving the signal line. The hermitic medium layer is filled with air. A method for manufacturing the flexible circuit board is also provided.

A flexible printed circuit board including an annular main board and a plurality of branches connected with the annular main board is provided. Each of the branches includes an extension portion connected with the annular main board and a bonding portion, and an electronic component is adapted to be disposed on the bonding portion. A supporting holder including an annular base, two wing structures, and a plurality of mounting portions is also disclosed, wherein the wing structures extend outward from the annular base and the mounting portions are located on the annular base and the wing structures. Further, a controller including the flexible printed circuit board and the supporting holder aforementioned is disclosed, wherein the annular main board is disposed on the annular base and the branches are disposed on the annular base and the wing structures, such that the bonding portions are located on the mounting portions correspondingly.

The present invention is to provide a chassis switch, which comprises a chassis for accommodating a designated number of line cards therein; a backplane installed on the back side of the chassis and having a plurality of connectors disposed thereon; at least one line card plugged into one of the connectors corresponding thereto via a front side of the chassis and each having an access switch chip adapted to switch local network signals and an interconnect switch chip adapted to switch the signals between ports of the at least one line card; and a loop adapted to connect the corresponding ports of the access switch chip and the interconnect switch chip respectively through the connectors, so as to enable each line card plugged into the chassis switch to perform a local network switching function and a switching function between the at least one line card.

Examples of a thermal management unit and an electronic apparatus utilizing the thermal management unit are described. In one aspect, the thermal management unit includes a heat sink. The heat sink includes a base portion, a first protrusion structure and a second protrusion structure. The base portion has a first side and a second side opposite the first side. The first protrusion structure protrudes from the first side of the base portion, and includes multiple fins. The second protrusion structure protrudes from the second side of the base portion, and includes multiple ribs. The heat sink may be made of silicon.

HE MAY NOT be held in the highest regard by the public but there’s something to love about Piers Morgan on Good Morning Britain.

I say to all communities pat yourselves on the back for the great job you are doing taking care of each other and supporting each other.

As we predicted earlier this year, a new Rekordbox version has been released. Rekordbox 6 has a new functionality, Cloud Library Sync, which allows the ability to upload tracks and playlists to Dropbox and sync them across multiple devices. Cloud Library Sync: Tracks, playlists, and track metadata are able to be synced across four different […]

The post Rekordbox 6: Now With Cloud Library Syncing appeared first on DJ TechTools.

The live streaming scene might feel crowded, but this week Mixcloud has introduced their own endeavor. They’ve launched a streaming platform built specifically for DJs, Mixcloud Live—not only taking on streaming giants like Facebook, Twitch, and Youtube, but also creating much-needed relief for DJ streams that are continually flagged for copyright. The team at Mixcloud […]

The post Mixcloud Launches A DJ Live Streaming Platform With Copyright Figured Out appeared first on DJ TechTools.

Bandcamp is waiving their fees, so we're going to spotlight and promote you, our community members.

The post Operation: Help DJTT Artists – submit your Bandcamp project and we’ll promote you. appeared first on DJ TechTools.

Oral sex, beards and other gross-outs. I'm a 31-year-old cis bisexual woman. I'm hetero-romantic and in a monogamish relationship with a man. We play with other people together.…

The new AMC series Dispatches From Elsewhere was inspired by a massive art project created by the Oaklandish founder. Before it premiered last Sunday, months of promotional teasers for the AMC series Dispatches From Elsewhere intrigued viewers with scintillating visuals emerging from mundane settings, while only hinting at the show's quixotic premise. AMC describes its 10-hour series as the story of four people "brought together by chance — or perhaps it's by design — when they stumble onto a puzzle hiding just behind the veil of everyday life."…

A polymer comprising a first repeating unit represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.

A compound represented by Formula 1 and an organic light-emitting device including the same are provided:

Disclosed is a display device having a display panel that includes a plurality of pixels in a display area, each pixel including a first thin film transistor (TFT); a plurality of pads in a non-display area outside the display area that provide operating signals to the plurality of pixels in the display area, each pad including a first signal line running toward the display area and a second signal line running toward an outer edge of the display panel, with each pad disposed between the first and second signal lines; and an extension line crossing one or more of second signal lines of the plurality of pads, two ends of the extension line running toward the outer edge of the display panel, wherein each of the one or more of second signal lines of the plurality of pads includes an active layer of a second TFT.

According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer may include a first compound represented by one selected from Formulae 1-1 and 1-2, and a second compound represented by Formula 2:

The present specification provides a hetero-cyclic compound and an organic light emitting device including the hetero-cyclic compound.

According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by one selected from Formulae 2-1 to 2-3:

A compound includes a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton, a first substituent, and a second substituent. Each of the first substituent and the second substituent includes a furan skeleton, a thiophene skeleton, or a pyrrole skeleton. The first substituent is bonded to a pyrimidine ring included in the benzofuropyrimidine skeleton or a pyrimidine ring included in the benzothienopyrimidine skeleton. The second substituent is bonded to a benzene ring included in the benzofuropyrimidine skeleton or a benzene ring included in the benzothienopyrimidine skeleton. The light-emitting element includes the compound.

A condensed cyclic compound represented by Formula 1: Ar1-L1-L2-Ar2 Formula 1 wherein in Formula 1, Ar1, Ar2, L1, and L2 are the same as described in the specification.

An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2, wherein a case where the first compound is 4,4'-bis(N-carbazolyl)-1,1'-biphenyl(CBP) is excluded:

An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound represented by one selected from Formulae 1-1 and 1-2 and a second compound represented by one selected from Formulae 2-1 to 2-3.

A compound is represented by Formula 1 and an organic light-emitting device including the same: wherein Formula 1 is the same as described above.

A light-emitting element with high emission efficiency and high reliability is provided. The light-emitting element includes a light-emitting layer containing a first organic compound, a second organic compound, and a guest material. The first organic compound has a nitrogen-containing six-membered heteroaromatic skeleton. In the light-emitting layer, the weight ratio of an organic compound having a nitrogen-containing five-membered heterocyclic skeleton with an NH group, a secondary amine skeleton with an NH group, or a primary amine skeleton with an NH group to the first organic compound is less than or equal to 0.03, or alternatively, the weight ratio of the organic compound having a nitrogen-containing five-membered heterocyclic skeleton with an NH group, a secondary amine skeleton with an NH group, or a primary amine skeleton with an NH group to the second organic compound is less than or equal to 0.01.

An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. An electron transport region is between the second electrode and the emission layer. The electron transport region includes an electron injection layer including a first component including at least one halide of an alkali metal (Group I), a second component including at least one organometallic compound, and a third component including at least one of a lanthanide metal or an alkaline earth metal (Group II).

An organic light emitting element includes a first electrode a second electrode that faces the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including quantum dots, and a hole transport layer between the first electrode and the emission layer. The quantum dots include at least one of a Group I-VI compound, a Group II-VI compound, and a Group III-VI compound. The hole transport layer includes at least one of a p-doped Group I-VI compound, a p-doped Group II-VI compound, and a p-doped Group III-VI compound.

An organic light emitting display (OLED) device can include a substrate on which first to third light emitting portions are defined, first electrodes respectively positioned on the first to third light emitting portions, a first stack formed on the first electrodes and including first, second and third light emitting layers corresponding to the first, second and third light emitting portions, respectively, an N-type charge generation layer (CGL) positioned on the first stack, a transition metal oxide layer positioned on the N-type CGL, a second stack positioned on the transition metal oxide layer and including fourth, fifth and sixth light emitting layers corresponding to the first, second and third light emitting portions, respectively, and a second electrode positioned on the second stack.