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Articles by Jonathan Edelman
Introduction to LC-MS Fragmentation
In this webcast, we break down the relationship between bonding theory and spectral interpretation to explain why fragmentation is a predictable, non-random process. Register Free: https://www.chromatographyonline.com/ca_w/lc-ms-fragmentation Event Overview: In this webcast, we break down the relationship between bonding theory and spectral interpretation to explain why fragmentation is a predictable, non-random process.
GC-MS–Informed Aroma Profiling and Sensory Lexicon Development for Cannabis Inflorescence | LCGC International
Decades of prohibition have constrained scientific understanding of cannabis quality, leaving THC potency as a misleading proxy for consumer value and contributing to public health risks. Increasing evidence indicates that pleasant aroma, rather than cannabinoid concentration, is the primary determinant of perceived quality. However, the chemical basis of Cannabis aroma in whole inflorescence remains poorly defined.
From Gila Monster to Global Phenomenon: The Peptide Revolution
At the turn of the century, the electric lightbulb was invented, alongside the foundational definitions of peptide bonds and synthesis. At about the time of the invention of television, insulin, a peptide therapeutic, was discovered and began revolutionizing diabetes treatment. Near the time of the ARPANET (Advanced Research Projects Agency Network), the internet’s precursor, the invention of solid phase peptide synthesis (SPSS) won the Nobel Prize in Chemistry.
The LCGC Blog, Call for Abstracts! The 43rd Annual International Symposium and Exhibit on the Separation, Purification, and Characterization of Biologically Important Molecules!
My time in the separation community has been one marked by great relationships and professional enrichment. For me, taking a leadership role in our community has meant chairing sessions and joining the executive board of international, national, and regional conferences and organizations. Most recently, it has me devoting time to aid the evolution of this year’s 43rd International Symposium on the Separation and Characterization of Proteins, Peptides, and Polynucleotides (ISPPP).
How Software Is Defining the New Era of Laboratory Science
Chromatography is an essential analytical tool used in many industries, including pharmaceuticals, foodstuffs, and chemistry. It is the most employed technique for separating, identifying, and quantifying components of a mixture. While there are different types of chromatography, the success of all chromatography systems largely depends on the accuracy and precision of their instruments.
Analyzing Trends of the Cannabis Testing Market
The buzz at the 2021 Cannabis Science Conference in Baltimore was palpable: People of widely disparate backgrounds were excited to address the ever-growing challenges and opportunities afforded by this burgeoning marketplace. The phenomenon known as the “green rush” outpaces all significant analytical market areas.
Security and “Welcoming the Stranger” Can Go Hand in Hand
The immigration debate has been less of a hot-button issue on Capitol Hill than it was last year or the year before. However, the Department of Homeland Security and many of the courts are poised to make significant changes for how undocumented immigrants and immigrant communities are treated in the United States.
As Israel’s New Coalition Government Gets Underway, New and Old Conflicts Arise
Last month, Prime Minister Benjamin Netanyahu formed a coalition government after his Likud Party’s resounding victory in the March elections. As positions in the government have been given out to coalition partners, and agreements made about government priorities, we’ve started to get a sense of what this government coalition will mean for Israel.
How We Can Help Protect our Kids with a Simple Question
Your calendar on June 21 is probably marked for a few things: it’s Father’s Day, the summer solstice and the longest day of the year. Yet this year, we’re marking our calendars for something perhaps just as important: National ASK Day. ASK, or “Asking Saves Kids,” is a campaign to keep children safe from accidental gun violence by empowering parents to ask if there is an unlocked gun in the homes where their kids play.
Iran Talks Deadline Passes, but Negotiations Continue
It’s the first day of July, which means that the original deadline for a final agreement between the P5+1 and Iran has now come and passed. Yet, negotiators are still working diligently: in a widely-expected move yesterday, negotiators agreed to a seven-day extension of the talks to iron out the final details of the agreement.
The House Takes a Step towards Banning Guns for Domestic Abusers
Last week, Congress moved closer to passing legislation preventing domestic abusers and stalkers from purchasing or possessing guns, as Rep. Debbie Dingell (D-MI-12) and Rep. Robert Dold (R-IL-10) introduced the Zero Tolerance for Domestic Abusers Act (H.R. 3130). The bipartisan bill would close a loophole in federal law that allows some perpetrators of domestic violence to access firearms.
As the Ink Cools on the Iran Nuclear Agreement, Debate Heats Up
Negotiators from the P5+1 and Iran have concluded their 20-month long negotiations process with an agreement to limit Iran’s nuclear program, but the agreement still faces major hurdles and a divided country as it moves towards implementation. Chief among these is the 60-day review period mandated by the Iran Nuclear Agreement Review Act of 2015 (often known as the Corker-Cardin bill), which the Reform Movement supported.
Iran Nuclear Program Agreement Announced, Reform Movement Responds
Early this morning, P5+1 and Iran announced an historic agreement aimed at preventing Iran from developing a nuclear weapon, while simultaneously providing Iran with relief from nuclear-related sanctions. The deal, which has been the result of nearly 20 months of negotiations, comes in at a sleek 159 pages, and many top experts, including those in the Reform Movement, are still parsing through the details.
There’s a Place for Us in Israel
Reform Jews in Israel and around the world are still feeling the wounds of a string of hurtful comments by Israel’s Minister of Religious Affairs, David Azoulay. In June, Minister Azoulay called Reform Judaism “a disaster for the nation of Israel,” and earlier this month, stated that Reform Jews were really not Jews at all.
What’s New with the Israeli Coalition Government?
When we last checked in with the Israeli governing coalition in June, we found fractures in the coalition dealing with Israel’s secular-religious divides, such as Religious Minister David Azoulay calling Reform Jews a “disaster for the nation of Israel”. Recently, however, the coalition has found itself embroiled in controversy that is perhaps the most divisive issue in Israel: the settlements.
For the Negev’s Bedouin Communities, Signs of Hope and Fear
Human rights and Bedouin advocates are breathing a sigh of relief this week, now that the elementary school in the Bedouin village of Al-Sayyid has been connected to the power grid, four decades after it was built. The four other schools in the village will be hooked up to the power grid by the time school starts in September. This movement comes in the wake of a petition to Israel’s High Court of Justice, which convinced the Israel Electric Corporation to connect these schools to the power grid.
Reform Movement Horrified by West Bank Terror Attack
Our hearts are heavy today after learning of a vicious act of terrorism in the West Bank, in which Israelis are suspected of setting the home of a Palestinian family on fire. Tragically, the fire claimed the life of a toddler and badly injured others.
Remembering the 70th Anniversary of Nagasaki, Looking at Nonproliferation Today
Sunday marked the 70th anniversary of the atomic bomb dropped on Nagasaki, Japan, the last time a nuclear weapon was used as a war tactic against people, almost entirely civilians. The blast left 60,000-80,000 dead within a few days, with tens of thousands injured suffering crippling injuries from radiation and tens of thousands more hurt from radiation poisoning.
Far from a Trainwreck: When a Senator and a Comedian Join Forces
I remember going to a movie for the first time after the Aurora shooting. I don’t remember what movie I saw, but I do remember a strong desire to sit in the back row, so that if there were gunfire, I would be facing the right direction to see what was going on. When I saw that the back row was full, I took a nervous glance behind me, putting shaky trust in those sitting behind me to preserve my safety.
NFTY and the RAC Partner with Broad-Based Gun Safety Coalition for “Wear Orange” Campaign
On Thursday, the 15th anniversary of the historic Million Mom March, NFTY and the RAC announced that we would be founding partners in “Wear Orange” (www.WearOrange.org), a new campaign to reduce gun violence in America. The campaign honors the 88 Americans whose lives are cut short by gun violence every day — and the countless survivors whose lives are forever altered by shootings each year – by designating June 2, 2015 as the first annual National Gun Violence Awareness Day.
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