We narrowed to 791 results for: Comp
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TypeBlog PostPublishedOct. 24, 2023, 1:15 p.m....Purity Purity of AAV preparations is assayed by comparing the relative stoichiometric ratios of the viral...Absolute determination of single-stranded and self-complementary adeno-associated viral vector genome titers ...
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Changing Labor Laws Bring Increased Postdoc Wages
TypeBlog PostPublishedOct. 25, 2016, 2:30 p.m....institutions doing? Institutions are now preparing to comply with the changes to the law on Dec 1st, according...centrally administered, which leads to many complications, including the inability of some institutions... -
Getting the Most from Your Lentiviral Transduction
TypeBlog PostPublishedApril 7, 2016, 2:30 p.m....ml before the media becomes cloudy. Mycoplasma compete with host cells for nutrients and can alter expression...al. outline a do it yourself PCR-based approach complete with freely available positive controls. Routinely... -
3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells
TypeBlog PostPublishedSept. 5, 2017, 1:58 p.m....HDR), a distinct cellular DNA repair pathway. Accomplishing this usually involves simultaneously introducing...mutation. Here, the blocking-only templates will compete with the blocking/intended mutation templates resulting... -
Antibodies 101: Beyond Surface Labeling
TypeBlog PostPublishedJune 27, 2024, 1:15 p.m....membrane-impermeant and can only enter cells with compromised plasma membranes — i.e., dead cells — while live...which yields a much weaker signal on live cells compared to dead cells. As a result, the largely negative... -
Hot Biosensors 2022: Year-End Roundup
TypeBlog PostPublishedDec. 6, 2022, 2:15 p.m....enhanced brightness, expression, and sensitivity compared with earlier SF-iGluSnFR. Image from Aggarwal ...size and reduced sensitivity to pH and calcium compared to previous lactate biosensors, and its affinity... -
Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?
TypeBlog PostPublishedMay 10, 2016, 2:30 p.m....undetectable in the blood. But the virus doesn’t completely disappear; it just hides in latently infected...viral reservoirs, and CRISPR may be the way to accomplish this tough job! Kamel Khalili’s lab at Temple... -
CRISPR 101: Epigenetics and Editing the Epigenome
TypeBlog PostPublishedJune 24, 2020, 5:45 p.m....enhancer regions (Mendenhall et al., 2013). By comparing gene activation when enhancers were active or ...increased gene activation at the targeted site compared to other Tet1 delivery systems. Transcriptional... -
Viral Vectors 101: AAV Serotypes and Tissue Tropism
TypeBlog PostPublishedJan. 16, 2025, 3:42 p.m.... cell types. Figure 1: Diagram of AAV components. Created with BioRender.com. AAV vectors ..., K. L., Ayasoufi, K., & Barry, M. A. (2019). Comparison of Gene Delivery to the Kidney by Adenovirus,... -
Hot Plasmids: Spring 2025
TypeBlog PostPublishedJune 3, 2025, 1:15 p.m.... domain structure. Glypicans are proteoglycans composed of a protein core, 2–4 glycosaminoglycans (GAG...5). Figure 5: TurboCas protein labeling compared to immunoprecipitation. The top panel depicts ... -
A Practical Guide to Optimizing AAV DIO and FLEx Vector Expression
TypeBlog PostPublishedNov. 2, 2021, 1:15 p.m....sites are both recognized by Cre, but they are comprised of different sequences (loxp and lox2272) and ...essential that every new vector, whether it be a completely new transgene or merely a new lot, be thoroughly... -
A Guide to Getting Started in Undergrad Research
TypeBlog PostPublishedJune 8, 2021, 1:15 p.m....experiences! These applications can be highly competitive, so asking for help from mentors and other students... Imposter: The Effect of Perceived Classroom Competition on the Daily Psychological Experiences of First-Generation... -
An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency
TypeBlog PostPublishedDec. 17, 2020, 1:30 p.m....direct injection of a CRISPR/Cas9 ribonucleoprotein complex with linear DNA as repair templates which reduces...worms are perfectly viable at 15 ºC, yet exhibit complete embryonic lethality at 25 ºC. This method resulted... -
Fluorescent Proteins 101: Photoactivatable Fluorescent Proteins
TypeBlog PostPublishedApril 25, 2017, 2:30 p.m....parameter to consider is the contrast ratio- a comparison of PA-FP brightness before and after photoactivation...variants are more monomeric than mEos2 (mEos4b is completely monomeric) and display bright and photostable... -
Starter Guide to induced Pluripotent Stem Cells (iPSCs) Part 2: Reprogramming and Transdifferentiation
TypeBlog PostPublishedNov. 6, 2018, 1:12 p.m....vitro Both in vitro and in vivo Epigenetic marks Complete removal to convert to iPSCs and re-establishment...in science communication and publishing after completing her postdoctoral training from Massachusetts ... -
New Coomassie Protocol Video
TypeBlog PostPublishedOct. 31, 2023, 1:15 p.m.... If this video is helpful, you can find our complete collection of protocol videos on the Addgene YouTube... -
New Western Blot Protocol Video!
TypeBlog PostPublishedMarch 28, 2023, 1:15 p.m....That's why we gave our written protocol a video companion! Follow along as Addgenie Meghan and Abi run a... -
A Case Study of Addgene Bioinformatics
TypeBlog PostPublishedMay 25, 2023, 1:15 p.m....bioinformatics quest, which led us to Seqera Labs, a company that provides open source workflow orchestration... -
Welcome to the Lab Bench! New Protocol Series Helps Trainees Get Started in the Lab
TypeBlog PostPublishedSept. 7, 2021, 1:15 p.m....vectors, but what we lacked were videos guiding completely new members of the lab or those taking introductory... -
CRISPR Guide Update
TypeBlog PostPublishedOct. 10, 2024, 1:15 p.m....well as alternatives to Cas9. All of this is accompanied by new or refreshed figures made using BioRender.com... -
It’s CRISPR Week at Addgene!
TypeBlog PostPublishedMay 13, 2019, 12:01 p.m....updating our CRISPR guide. Our CRISPR guide is a comprehensive resource that covers most things CRISPR - from... -
The 12 Days of CRISPR: 2021
TypeBlog PostPublishedDec. 28, 2021, 2:15 p.m.... gave to me: efficient CRISPR editing with a hypercompact Cas12f1 and engineered guide RNAs. On the sixth... -
Trends in CRISPR and SynBio Technologies
TypeBlog PostPublishedFeb. 4, 2015, 3:58 p.m....Keystone Meeting Eric presented a poster with data comparing Addgene global deposit and distribution trends... -
Lucky Thirteen: Guest Contributors of 2023
TypeBlog PostPublishedDec. 5, 2023, 2:15 p.m....Created in collaboration with Addgene writers High Complexity Golden Gate Assembly with NEB's DADExperts: Matthew... -
Genome Engineering, CRISPR, and Research in Singapore: Interview with Wei Leong Chew
TypeBlog PostPublishedFeb. 6, 2018, 2 p.m....research on CRISPR and what it's like to work in a competitive field. Chapter 2: Wei Leong Chew's swift transition... -
Export Control Regulations Lifted for Plasmids Containing Rabies and VSV-G Genes
TypeBlog PostPublishedFeb. 6, 2025, 2:15 p.m....information updated, export controls and regulations are complex and may change suddenly. Please email [email protected]... -
Find and Share AAV Data with Addgene's New AAV Data Hub
TypeBlog PostPublishedOct. 8, 2019, 12:33 p.m....performing the experiment. Every entry has an accompanying image so that you can see for yourself how the... -
Top Requested Plasmid of 2017 - pMD2.G
TypeBlog PostPublishedJan. 10, 2018, 4:13 p.m....mammalian CMV promoter. Envelope proteins are a key component of lentiviruses. These proteins coat the virus... -
New Educational Resource: The Addgene Videos Page
TypeBlog PostPublishedJune 16, 2017, 2 p.m....divided into three main sections: Protocols To complement our written protocol materials, we have also ... -
Twelve Amazing Guest Blog Contributors!
TypeBlog PostPublishedNov. 26, 2024, 2:15 p.m....flow cytometry expertise in two posts. Flow Compensation and Flow Cytometry Controls Priyamvada Prathima...